// Author: Julian Smart
// Modified by:
// Created: 2005-09-30
-// RCS-ID: $Id$
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#include "wx/module.h"
#endif
+#include "wx/settings.h"
#include "wx/filename.h"
#include "wx/clipbrd.h"
#include "wx/wfstream.h"
#include "wx/sstream.h"
#include "wx/textfile.h"
#include "wx/hashmap.h"
+#include "wx/dynarray.h"
#include "wx/richtext/richtextctrl.h"
#include "wx/richtext/richtextstyles.h"
+#include "wx/richtext/richtextimagedlg.h"
+#include "wx/richtext/richtextsizepage.h"
+#include "wx/richtext/richtextxml.h"
#include "wx/listimpl.cpp"
+#include "wx/arrimpl.cpp"
WX_DEFINE_LIST(wxRichTextObjectList)
WX_DEFINE_LIST(wxRichTextLineList)
// Switch off if the platform doesn't like it for some reason
#define wxRICHTEXT_USE_OPTIMIZED_DRAWING 1
+// Use GetPartialTextExtents for platforms that support it natively
+#define wxRICHTEXT_USE_PARTIAL_TEXT_EXTENTS 1
+
const wxChar wxRichTextLineBreakChar = (wxChar) 29;
-/*!
- * wxRichTextObject
- * This is the base for drawable objects.
- */
+// Helper classes for floating layout
+struct wxRichTextFloatRectMap
+{
+ wxRichTextFloatRectMap(int sY, int eY, int w, wxRichTextObject* obj)
+ {
+ startY = sY;
+ endY = eY;
+ width = w;
+ anchor = obj;
+ }
-IMPLEMENT_CLASS(wxRichTextObject, wxObject)
+ int startY, endY;
+ int width;
+ wxRichTextObject* anchor;
+};
-wxRichTextObject::wxRichTextObject(wxRichTextObject* parent)
-{
- m_dirty = false;
- m_refCount = 1;
- m_parent = parent;
- m_leftMargin = 0;
- m_rightMargin = 0;
- m_topMargin = 0;
- m_bottomMargin = 0;
- m_descent = 0;
-}
+WX_DEFINE_SORTED_ARRAY(wxRichTextFloatRectMap*, wxRichTextFloatRectMapArray);
-wxRichTextObject::~wxRichTextObject()
+int wxRichTextFloatRectMapCmp(wxRichTextFloatRectMap* r1, wxRichTextFloatRectMap* r2)
{
+ return r1->startY - r2->startY;
}
-void wxRichTextObject::Dereference()
+class wxRichTextFloatCollector
{
- m_refCount --;
- if (m_refCount <= 0)
- delete this;
-}
+public:
+ wxRichTextFloatCollector(const wxRect& availableRect);
+ ~wxRichTextFloatCollector();
-/// Copy
-void wxRichTextObject::Copy(const wxRichTextObject& obj)
-{
- m_size = obj.m_size;
- m_pos = obj.m_pos;
- m_dirty = obj.m_dirty;
- m_range = obj.m_range;
- m_attributes = obj.m_attributes;
- m_descent = obj.m_descent;
-}
+ // Collect the floating objects info in the given paragraph
+ void CollectFloat(wxRichTextParagraph* para);
+ void CollectFloat(wxRichTextParagraph* para, wxRichTextObject* floating);
-void wxRichTextObject::SetMargins(int margin)
+ // Return the last paragraph we collected
+ wxRichTextParagraph* LastParagraph();
+
+ // Given the start y position and the height of the line,
+ // find out how wide the line can be
+ wxRect GetAvailableRect(int startY, int endY);
+
+ // Given a floating box, find its fit position
+ int GetFitPosition(int direction, int start, int height) const;
+ int GetFitPosition(const wxRichTextFloatRectMapArray& array, int start, int height) const;
+
+ // Find the last y position
+ int GetLastRectBottom();
+
+ // Draw the floats inside a rect
+ void Draw(wxDC& dc, wxRichTextDrawingContext& context, const wxRichTextRange& range, const wxRichTextSelection& selection, const wxRect& rect, int descent, int style);
+
+ // HitTest the floats
+ int HitTest(wxDC& dc, wxRichTextDrawingContext& context, const wxPoint& pt, long& textPosition, wxRichTextObject** obj, int flags);
+
+ // Get floating object count
+ int GetFloatingObjectCount() const { return m_left.GetCount() + m_right.GetCount(); }
+
+ // Get floating objects
+ bool GetFloatingObjects(wxRichTextObjectList& objects) const;
+
+ // Delete a float
+ bool DeleteFloat(wxRichTextObject* obj);
+
+ // Do we have this float already?
+ bool HasFloat(wxRichTextObject* obj);
+
+ bool HasFloats() const { return m_left.GetCount() >0 || m_right.GetCount() > 0; }
+
+ static int SearchAdjacentRect(const wxRichTextFloatRectMapArray& array, int point);
+
+ static int GetWidthFromFloatRect(const wxRichTextFloatRectMapArray& array, int index, int startY, int endY);
+
+ static void FreeFloatRectMapArray(wxRichTextFloatRectMapArray& array);
+
+ static void DrawFloat(const wxRichTextFloatRectMapArray& array, wxDC& dc, wxRichTextDrawingContext& context, const wxRichTextRange& range, const wxRichTextSelection& selection, const wxRect& rect, int descent, int style);
+
+ static int HitTestFloat(const wxRichTextFloatRectMapArray& array, wxDC& dc, wxRichTextDrawingContext& context, const wxPoint& pt, long& textPosition, wxRichTextObject** obj, int flags);
+
+private:
+ wxRichTextFloatRectMapArray m_left;
+ wxRichTextFloatRectMapArray m_right;
+ //int m_width;
+ wxRect m_availableRect;
+ wxRichTextParagraph* m_para;
+};
+
+// Delete a float
+bool wxRichTextFloatCollector::DeleteFloat(wxRichTextObject* obj)
{
- m_leftMargin = m_rightMargin = m_topMargin = m_bottomMargin = margin;
+ size_t i;
+ for (i = 0; i < m_left.GetCount(); i++)
+ {
+ if (m_left[i]->anchor == obj)
+ {
+ m_left.RemoveAt(i);
+ return true;
+ }
+ }
+ for (i = 0; i < m_right.GetCount(); i++)
+ {
+ if (m_right[i]->anchor == obj)
+ {
+ m_right.RemoveAt(i);
+ return true;
+ }
+ }
+ return false;
}
-void wxRichTextObject::SetMargins(int leftMargin, int rightMargin, int topMargin, int bottomMargin)
+// Do we have this float already?
+bool wxRichTextFloatCollector::HasFloat(wxRichTextObject* obj)
{
- m_leftMargin = leftMargin;
- m_rightMargin = rightMargin;
- m_topMargin = topMargin;
- m_bottomMargin = bottomMargin;
+ size_t i;
+ for (i = 0; i < m_left.GetCount(); i++)
+ {
+ if (m_left[i]->anchor == obj)
+ {
+ return true;
+ }
+ }
+ for (i = 0; i < m_right.GetCount(); i++)
+ {
+ if (m_right[i]->anchor == obj)
+ {
+ return true;
+ }
+ }
+ return false;
}
-// Convert units in tenths of a millimetre to device units
-int wxRichTextObject::ConvertTenthsMMToPixels(wxDC& dc, int units)
+// Get floating objects
+bool wxRichTextFloatCollector::GetFloatingObjects(wxRichTextObjectList& objects) const
{
- int p = ConvertTenthsMMToPixels(dc.GetPPI().x, units);
-
- // Unscale
- wxRichTextBuffer* buffer = GetBuffer();
- if (buffer)
- p = (int) ((double)p / buffer->GetScale());
- return p;
+ size_t i;
+ for (i = 0; i < m_left.GetCount(); i++)
+ objects.Append(m_left[i]->anchor);
+ for (i = 0; i < m_right.GetCount(); i++)
+ objects.Append(m_right[i]->anchor);
+ return true;
}
-// Convert units in tenths of a millimetre to device units
-int wxRichTextObject::ConvertTenthsMMToPixels(int ppi, int units)
+
+/*
+ * Binary search helper function
+ * The argument point is the Y coordinate, and this fuction
+ * always return the floating rect that contain this coordinate
+ * or under this coordinate.
+ */
+int wxRichTextFloatCollector::SearchAdjacentRect(const wxRichTextFloatRectMapArray& array, int point)
{
- // There are ppi pixels in 254.1 "1/10 mm"
+ int end = array.GetCount() - 1;
+ int start = 0;
+ int ret = 0;
- double pixels = ((double) units * (double)ppi) / 254.1;
+ wxASSERT(end >= 0);
- return (int) pixels;
-}
+ while (true)
+ {
+ if (start > end)
+ {
+ break;
+ }
-/// Dump to output stream for debugging
-void wxRichTextObject::Dump(wxTextOutputStream& stream)
-{
- stream << GetClassInfo()->GetClassName() << wxT("\n");
- stream << wxString::Format(wxT("Size: %d,%d. Position: %d,%d, Range: %ld,%ld"), m_size.x, m_size.y, m_pos.x, m_pos.y, m_range.GetStart(), m_range.GetEnd()) << wxT("\n");
- stream << wxString::Format(wxT("Text colour: %d,%d,%d."), (int) m_attributes.GetTextColour().Red(), (int) m_attributes.GetTextColour().Green(), (int) m_attributes.GetTextColour().Blue()) << wxT("\n");
+ int mid = (start + end) / 2;
+ if (array[mid]->startY <= point && array[mid]->endY >= point)
+ return mid;
+ else if (array[mid]->startY > point)
+ {
+ end = mid - 1;
+ ret = mid;
+ }
+ else if (array[mid]->endY < point)
+ {
+ start = mid + 1;
+ ret = start;
+ }
+ }
+
+ return ret;
}
-/// Gets the containing buffer
-wxRichTextBuffer* wxRichTextObject::GetBuffer() const
+int wxRichTextFloatCollector::GetWidthFromFloatRect(const wxRichTextFloatRectMapArray& array, int index, int startY, int endY)
{
- const wxRichTextObject* obj = this;
- while (obj && !obj->IsKindOf(CLASSINFO(wxRichTextBuffer)))
- obj = obj->GetParent();
- return wxDynamicCast(obj, wxRichTextBuffer);
-}
+ int ret = 0;
+ int len = array.GetCount();
-/*!
- * wxRichTextCompositeObject
- * This is the base for drawable objects.
- */
+ wxASSERT(index >= 0 && index < len);
-IMPLEMENT_CLASS(wxRichTextCompositeObject, wxRichTextObject)
+ if (array[index]->startY < startY && array[index]->endY > startY)
+ ret = ret < array[index]->width ? array[index]->width : ret;
+ while (index < len && array[index]->startY <= endY)
+ {
+ ret = ret < array[index]->width ? array[index]->width : ret;
+ index++;
+ }
-wxRichTextCompositeObject::wxRichTextCompositeObject(wxRichTextObject* parent):
- wxRichTextObject(parent)
-{
+ return ret;
}
-wxRichTextCompositeObject::~wxRichTextCompositeObject()
+wxRichTextFloatCollector::wxRichTextFloatCollector(const wxRect& rect) : m_left(wxRichTextFloatRectMapCmp), m_right(wxRichTextFloatRectMapCmp)
{
- DeleteChildren();
+ m_availableRect = rect;
+ m_para = NULL;
}
-/// Get the nth child
-wxRichTextObject* wxRichTextCompositeObject::GetChild(size_t n) const
+void wxRichTextFloatCollector::FreeFloatRectMapArray(wxRichTextFloatRectMapArray& array)
{
- wxASSERT ( n < m_children.GetCount() );
-
- return m_children.Item(n)->GetData();
+ int len = array.GetCount();
+ for (int i = 0; i < len; i++)
+ delete array[i];
}
-/// Append a child, returning the position
-size_t wxRichTextCompositeObject::AppendChild(wxRichTextObject* child)
+wxRichTextFloatCollector::~wxRichTextFloatCollector()
{
- m_children.Append(child);
- child->SetParent(this);
- return m_children.GetCount() - 1;
+ FreeFloatRectMapArray(m_left);
+ FreeFloatRectMapArray(m_right);
}
-/// Insert the child in front of the given object, or at the beginning
-bool wxRichTextCompositeObject::InsertChild(wxRichTextObject* child, wxRichTextObject* inFrontOf)
+int wxRichTextFloatCollector::GetFitPosition(const wxRichTextFloatRectMapArray& array, int start, int height) const
{
- if (inFrontOf)
+ if (array.GetCount() == 0)
+ return start;
+
+ int i = SearchAdjacentRect(array, start);
+ int last = start;
+ while (i < (int) array.GetCount())
{
- wxRichTextObjectList::compatibility_iterator node = m_children.Find(inFrontOf);
- m_children.Insert(node, child);
+ if (array[i]->startY - last >= height)
+ return last + 1;
+ last = array[i]->endY;
+ i++;
}
- else
- m_children.Insert(child);
- child->SetParent(this);
- return true;
+ return last + 1;
}
-/// Delete the child
-bool wxRichTextCompositeObject::RemoveChild(wxRichTextObject* child, bool deleteChild)
+int wxRichTextFloatCollector::GetFitPosition(int direction, int start, int height) const
{
- wxRichTextObjectList::compatibility_iterator node = m_children.Find(child);
- if (node)
+ if (direction == wxTEXT_BOX_ATTR_FLOAT_LEFT)
+ return GetFitPosition(m_left, start, height);
+ else if (direction == wxTEXT_BOX_ATTR_FLOAT_RIGHT)
+ return GetFitPosition(m_right, start, height);
+ else
{
- wxRichTextObject* obj = node->GetData();
- m_children.Erase(node);
- if (deleteChild)
- delete obj;
+ wxASSERT("Never should be here");
+ return start;
+ }
+}
- return true;
+// Adds a floating image to the float collector.
+// The actual positioning is done by wxRichTextParagraph::LayoutFloat.
+void wxRichTextFloatCollector::CollectFloat(wxRichTextParagraph* para, wxRichTextObject* floating)
+{
+ int direction = floating->GetFloatDirection();
+
+ wxPoint pos = floating->GetPosition();
+ wxSize size = floating->GetCachedSize();
+ wxRichTextFloatRectMap *map = new wxRichTextFloatRectMap(pos.y, pos.y + size.y, size.x, floating);
+ switch (direction)
+ {
+ case wxTEXT_BOX_ATTR_FLOAT_NONE:
+ delete map;
+ break;
+ case wxTEXT_BOX_ATTR_FLOAT_LEFT:
+ // Just a not-enough simple assertion
+ wxASSERT (m_left.Index(map) == wxNOT_FOUND);
+ m_left.Add(map);
+ break;
+ case wxTEXT_BOX_ATTR_FLOAT_RIGHT:
+ wxASSERT (m_right.Index(map) == wxNOT_FOUND);
+ m_right.Add(map);
+ break;
+ default:
+ delete map;
+ wxASSERT("Unrecognised float attribute.");
}
- return false;
+
+ m_para = para;
}
-/// Delete all children
-bool wxRichTextCompositeObject::DeleteChildren()
+void wxRichTextFloatCollector::CollectFloat(wxRichTextParagraph* para)
{
- wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
+ wxRichTextObjectList::compatibility_iterator node = para->GetChildren().GetFirst();
while (node)
{
- wxRichTextObjectList::compatibility_iterator oldNode = node;
+ wxRichTextObject* floating = node->GetData();
- wxRichTextObject* child = node->GetData();
- child->Dereference(); // Only delete if reference count is zero
+ if (floating->IsFloating())
+ {
+ CollectFloat(para, floating);
+ }
node = node->GetNext();
- m_children.Erase(oldNode);
}
- return true;
+ m_para = para;
}
-/// Get the child count
-size_t wxRichTextCompositeObject::GetChildCount() const
+wxRichTextParagraph* wxRichTextFloatCollector::LastParagraph()
{
- return m_children.GetCount();
+ return m_para;
}
-/// Copy
-void wxRichTextCompositeObject::Copy(const wxRichTextCompositeObject& obj)
+wxRect wxRichTextFloatCollector::GetAvailableRect(int startY, int endY)
{
- wxRichTextObject::Copy(obj);
-
- DeleteChildren();
-
- wxRichTextObjectList::compatibility_iterator node = obj.m_children.GetFirst();
- while (node)
+ int widthLeft = 0, widthRight = 0;
+ if (m_left.GetCount() != 0)
{
- wxRichTextObject* child = node->GetData();
- wxRichTextObject* newChild = child->Clone();
- newChild->SetParent(this);
- m_children.Append(newChild);
+ int i = SearchAdjacentRect(m_left, startY);
+ if (i < (int) m_left.GetCount())
+ widthLeft = GetWidthFromFloatRect(m_left, i, startY, endY);
+ }
+ if (m_right.GetCount() != 0)
+ {
+ int j = SearchAdjacentRect(m_right, startY);
+ if (j < (int) m_right.GetCount())
+ widthRight = GetWidthFromFloatRect(m_right, j, startY, endY);
+ }
- node = node->GetNext();
+ // TODO: actually we want to use the actual image positions to find the
+ // available remaining space, since the image might not be right up against
+ // the left or right edge of the container.
+ return wxRect(widthLeft + m_availableRect.x, 0, m_availableRect.width - widthLeft - widthRight, 0);
+}
+
+int wxRichTextFloatCollector::GetLastRectBottom()
+{
+ int ret = 0;
+ int len = m_left.GetCount();
+ if (len) {
+ ret = ret > m_left[len-1]->endY ? ret : m_left[len-1]->endY;
+ }
+ len = m_right.GetCount();
+ if (len) {
+ ret = ret > m_right[len-1]->endY ? ret : m_right[len-1]->endY;
}
+
+ return ret;
}
-/// Hit-testing: returns a flag indicating hit test details, plus
-/// information about position
-int wxRichTextCompositeObject::HitTest(wxDC& dc, const wxPoint& pt, long& textPosition)
+void wxRichTextFloatCollector::DrawFloat(const wxRichTextFloatRectMapArray& array, wxDC& dc, wxRichTextDrawingContext& context, const wxRichTextRange& WXUNUSED(range), const wxRichTextSelection& selection, const wxRect& rect, int descent, int style)
{
- wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
- while (node)
+ int start = rect.y;
+ int end = rect.y + rect.height;
+ int i, j;
+ i = SearchAdjacentRect(array, start);
+ if (i < 0 || i >= (int) array.GetCount())
+ return;
+ j = SearchAdjacentRect(array, end);
+ if (j < 0 || j >= (int) array.GetCount())
+ j = array.GetCount() - 1;
+ while (i <= j)
{
- wxRichTextObject* child = node->GetData();
+ wxRichTextObject* obj = array[i]->anchor;
+ wxRichTextRange r = obj->GetRange();
+ obj->Draw(dc, context, r, selection, wxRect(obj->GetPosition(), obj->GetCachedSize()), descent, style);
+ i++;
+ }
+}
- int ret = child->HitTest(dc, pt, textPosition);
- if (ret != wxRICHTEXT_HITTEST_NONE)
- return ret;
+void wxRichTextFloatCollector::Draw(wxDC& dc, wxRichTextDrawingContext& context, const wxRichTextRange& range, const wxRichTextSelection& selection, const wxRect& rect, int descent, int style)
+{
+ if (m_left.GetCount() > 0)
+ DrawFloat(m_left, dc, context, range, selection, rect, descent, style);
+ if (m_right.GetCount() > 0)
+ DrawFloat(m_right, dc, context, range, selection, rect, descent, style);
+}
- node = node->GetNext();
+int wxRichTextFloatCollector::HitTestFloat(const wxRichTextFloatRectMapArray& array, wxDC& WXUNUSED(dc), wxRichTextDrawingContext& WXUNUSED(context), const wxPoint& pt, long& textPosition, wxRichTextObject** obj, int WXUNUSED(flags))
+{
+ int i;
+ if (array.GetCount() == 0)
+ return wxRICHTEXT_HITTEST_NONE;
+ i = SearchAdjacentRect(array, pt.y);
+ if (i < 0 || i >= (int) array.GetCount())
+ return wxRICHTEXT_HITTEST_NONE;
+ if (!array[i]->anchor->IsShown())
+ return wxRICHTEXT_HITTEST_NONE;
+
+ wxPoint point = array[i]->anchor->GetPosition();
+ wxSize size = array[i]->anchor->GetCachedSize();
+ if (point.x <= pt.x && point.x + size.x >= pt.x
+ && point.y <= pt.y && point.y + size.y >= pt.y)
+ {
+ textPosition = array[i]->anchor->GetRange().GetStart();
+ * obj = array[i]->anchor;
+ if (pt.x > (pt.x + pt.x + size.x) / 2)
+ return wxRICHTEXT_HITTEST_BEFORE;
+ else
+ return wxRICHTEXT_HITTEST_AFTER;
}
return wxRICHTEXT_HITTEST_NONE;
}
-/// Finds the absolute position and row height for the given character position
-bool wxRichTextCompositeObject::FindPosition(wxDC& dc, long index, wxPoint& pt, int* height, bool forceLineStart)
+int wxRichTextFloatCollector::HitTest(wxDC& dc, wxRichTextDrawingContext& context, const wxPoint& pt, long& textPosition, wxRichTextObject** obj, int flags)
{
- wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
- while (node)
+ int ret = HitTestFloat(m_left, dc, context, pt, textPosition, obj, flags);
+ if (ret == wxRICHTEXT_HITTEST_NONE)
{
- wxRichTextObject* child = node->GetData();
-
- if (child->FindPosition(dc, index, pt, height, forceLineStart))
- return true;
-
- node = node->GetNext();
+ ret = HitTestFloat(m_right, dc, context, pt, textPosition, obj, flags);
}
-
- return false;
+ return ret;
}
-/// Calculate range
-void wxRichTextCompositeObject::CalculateRange(long start, long& end)
+// Helpers for efficiency
+inline void wxCheckSetFont(wxDC& dc, const wxFont& font)
{
- long current = start;
- long lastEnd = current;
+ dc.SetFont(font);
+}
- wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
- while (node)
+inline void wxCheckSetPen(wxDC& dc, const wxPen& pen)
+{
+ const wxPen& pen1 = dc.GetPen();
+ if (pen1.IsOk() && pen.IsOk())
{
- wxRichTextObject* child = node->GetData();
- long childEnd = 0;
-
- child->CalculateRange(current, childEnd);
- lastEnd = childEnd;
-
- current = childEnd + 1;
-
- node = node->GetNext();
+ if (pen1.GetWidth() == pen.GetWidth() &&
+ pen1.GetStyle() == pen.GetStyle() &&
+ pen1.GetColour() == pen.GetColour())
+ return;
}
-
- end = lastEnd;
-
- // An object with no children has zero length
- if (m_children.GetCount() == 0)
- end --;
-
- m_range.SetRange(start, end);
+ dc.SetPen(pen);
}
-/// Delete range from layout.
-bool wxRichTextCompositeObject::DeleteRange(const wxRichTextRange& range)
+inline void wxCheckSetBrush(wxDC& dc, const wxBrush& brush)
{
- wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
-
- while (node)
+ const wxBrush& brush1 = dc.GetBrush();
+ if (brush1.IsOk() && brush.IsOk())
{
- wxRichTextObject* obj = (wxRichTextObject*) node->GetData();
- wxRichTextObjectList::compatibility_iterator next = node->GetNext();
+ if (brush1.GetStyle() == brush.GetStyle() &&
+ brush1.GetColour() == brush.GetColour())
+ return;
+ }
+ dc.SetBrush(brush);
+}
- // Delete the range in each paragraph
-
- // When a chunk has been deleted, internally the content does not
- // now match the ranges.
- // However, so long as deletion is not done on the same object twice this is OK.
- // If you may delete content from the same object twice, recalculate
- // the ranges inbetween DeleteRange calls by calling CalculateRanges, and
- // adjust the range you're deleting accordingly.
-
- if (!obj->GetRange().IsOutside(range))
- {
- obj->DeleteRange(range);
-
- // Delete an empty object, or paragraph within this range.
- if (obj->IsEmpty() ||
- (range.GetStart() <= obj->GetRange().GetStart() && range.GetEnd() >= obj->GetRange().GetEnd()))
- {
- // An empty paragraph has length 1, so won't be deleted unless the
- // whole range is deleted.
- RemoveChild(obj, true);
- }
- }
+/*!
+ * wxRichTextObject
+ * This is the base for drawable objects.
+ */
- node = next;
- }
+IMPLEMENT_CLASS(wxRichTextObject, wxObject)
- return true;
+wxRichTextObject::wxRichTextObject(wxRichTextObject* parent)
+{
+ m_refCount = 1;
+ m_parent = parent;
+ m_descent = 0;
+ m_show = true;
}
-/// Get any text in this object for the given range
-wxString wxRichTextCompositeObject::GetTextForRange(const wxRichTextRange& range) const
+wxRichTextObject::~wxRichTextObject()
{
- wxString text;
- wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
- while (node)
- {
- wxRichTextObject* child = node->GetData();
- wxRichTextRange childRange = range;
- if (!child->GetRange().IsOutside(range))
- {
- childRange.LimitTo(child->GetRange());
-
- wxString childText = child->GetTextForRange(childRange);
+}
- text += childText;
- }
- node = node->GetNext();
- }
+void wxRichTextObject::Dereference()
+{
+ m_refCount --;
+ if (m_refCount <= 0)
+ delete this;
+}
- return text;
+/// Copy
+void wxRichTextObject::Copy(const wxRichTextObject& obj)
+{
+ m_size = obj.m_size;
+ m_maxSize = obj.m_maxSize;
+ m_minSize = obj.m_minSize;
+ m_pos = obj.m_pos;
+ m_range = obj.m_range;
+ m_ownRange = obj.m_ownRange;
+ m_attributes = obj.m_attributes;
+ m_properties = obj.m_properties;
+ m_descent = obj.m_descent;
+ m_show = obj.m_show;
}
-/// Recursively merge all pieces that can be merged.
-bool wxRichTextCompositeObject::Defragment()
+// Get/set the top-level container of this object.
+wxRichTextParagraphLayoutBox* wxRichTextObject::GetContainer() const
{
- wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
- while (node)
+ const wxRichTextObject* p = this;
+ while (p)
{
- wxRichTextObject* child = node->GetData();
- wxRichTextCompositeObject* composite = wxDynamicCast(child, wxRichTextCompositeObject);
- if (composite)
- composite->Defragment();
-
- if (node->GetNext())
+ if (p->IsTopLevel())
{
- wxRichTextObject* nextChild = node->GetNext()->GetData();
- if (child->CanMerge(nextChild) && child->Merge(nextChild))
- {
- nextChild->Dereference();
- m_children.Erase(node->GetNext());
-
- // Don't set node -- we'll see if we can merge again with the next
- // child.
- }
- else
- node = node->GetNext();
+ return wxDynamicCast(p, wxRichTextParagraphLayoutBox);
}
- else
- node = node->GetNext();
+ p = p->GetParent();
}
-
- return true;
+ return NULL;
}
-/// Dump to output stream for debugging
-void wxRichTextCompositeObject::Dump(wxTextOutputStream& stream)
+void wxRichTextObject::SetMargins(int margin)
{
- wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
- while (node)
- {
- wxRichTextObject* child = node->GetData();
- child->Dump(stream);
- node = node->GetNext();
- }
+ SetMargins(margin, margin, margin, margin);
}
-
-/*!
- * wxRichTextBox
- * This defines a 2D space to lay out objects
- */
-
-IMPLEMENT_DYNAMIC_CLASS(wxRichTextBox, wxRichTextCompositeObject)
-
-wxRichTextBox::wxRichTextBox(wxRichTextObject* parent):
- wxRichTextCompositeObject(parent)
+void wxRichTextObject::SetMargins(int leftMargin, int rightMargin, int topMargin, int bottomMargin)
{
+ GetAttributes().GetTextBoxAttr().GetMargins().GetLeft().SetValue(leftMargin, wxTEXT_ATTR_UNITS_PIXELS);
+ GetAttributes().GetTextBoxAttr().GetMargins().GetRight().SetValue(rightMargin, wxTEXT_ATTR_UNITS_PIXELS);
+ GetAttributes().GetTextBoxAttr().GetMargins().GetTop().SetValue(topMargin, wxTEXT_ATTR_UNITS_PIXELS);
+ GetAttributes().GetTextBoxAttr().GetMargins().GetBottom().SetValue(bottomMargin, wxTEXT_ATTR_UNITS_PIXELS);
}
-/// Draw the item
-bool wxRichTextBox::Draw(wxDC& dc, const wxRichTextRange& range, const wxRichTextRange& selectionRange, const wxRect& WXUNUSED(rect), int descent, int style)
+int wxRichTextObject::GetLeftMargin() const
{
- wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
- while (node)
- {
- wxRichTextObject* child = node->GetData();
+ return GetAttributes().GetTextBoxAttr().GetMargins().GetLeft().GetValue();
+}
- wxRect childRect = wxRect(child->GetPosition(), child->GetCachedSize());
- child->Draw(dc, range, selectionRange, childRect, descent, style);
+int wxRichTextObject::GetRightMargin() const
+{
+ return GetAttributes().GetTextBoxAttr().GetMargins().GetRight().GetValue();
+}
- node = node->GetNext();
- }
- return true;
+int wxRichTextObject::GetTopMargin() const
+{
+ return GetAttributes().GetTextBoxAttr().GetMargins().GetTop().GetValue();
}
-/// Lay the item out
-bool wxRichTextBox::Layout(wxDC& dc, const wxRect& rect, int style)
+int wxRichTextObject::GetBottomMargin() const
{
- wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
- while (node)
- {
- wxRichTextObject* child = node->GetData();
- child->Layout(dc, rect, style);
+ return GetAttributes().GetTextBoxAttr().GetMargins().GetBottom().GetValue();
+}
- node = node->GetNext();
- }
- m_dirty = false;
- return true;
+// Calculate the available content space in the given rectangle, given the
+// margins, border and padding specified in the object's attributes.
+wxRect wxRichTextObject::GetAvailableContentArea(wxDC& dc, wxRichTextDrawingContext& context, const wxRect& outerRect) const
+{
+ wxRect marginRect, borderRect, contentRect, paddingRect, outlineRect;
+ marginRect = outerRect;
+ wxRichTextAttr attr(GetAttributes());
+ context.ApplyVirtualAttributes(attr, (wxRichTextObject*) this);
+ GetBoxRects(dc, GetBuffer(), attr, marginRect, borderRect, contentRect, paddingRect, outlineRect);
+ return contentRect;
}
-/// Get/set the size for the given range. Assume only has one child.
-bool wxRichTextBox::GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, int flags, wxPoint position) const
+// Invalidate the buffer. With no argument, invalidates whole buffer.
+void wxRichTextObject::Invalidate(const wxRichTextRange& invalidRange)
{
- wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
- if (node)
+ if (invalidRange != wxRICHTEXT_NONE)
{
- wxRichTextObject* child = node->GetData();
- return child->GetRangeSize(range, size, descent, dc, flags, position);
+ // If this is a floating object, size may not be recalculated
+ // after floats have been collected in an early stage of Layout.
+ // So avoid resetting the cache for floating objects during layout.
+ if (!IsFloating() || !wxRichTextBuffer::GetFloatingLayoutMode())
+ SetCachedSize(wxDefaultSize);
+ SetMaxSize(wxDefaultSize);
+ SetMinSize(wxDefaultSize);
}
- else
- return false;
}
-/// Copy
-void wxRichTextBox::Copy(const wxRichTextBox& obj)
+// Convert units in tenths of a millimetre to device units
+int wxRichTextObject::ConvertTenthsMMToPixels(wxDC& dc, int units) const
{
- wxRichTextCompositeObject::Copy(obj);
+ // Unscale
+ double scale = 1.0;
+ if (GetBuffer())
+ scale = GetBuffer()->GetScale() / GetBuffer()->GetDimensionScale();
+ int p = ConvertTenthsMMToPixels(dc.GetPPI().x, units, scale);
+
+ return p;
}
+// Convert units in tenths of a millimetre to device units
+int wxRichTextObject::ConvertTenthsMMToPixels(int ppi, int units, double scale)
+{
+ // There are ppi pixels in 254.1 "1/10 mm"
-/*!
- * wxRichTextParagraphLayoutBox
- * This box knows how to lay out paragraphs.
- */
+ double pixels = ((double) units * (double)ppi) / 254.1;
+ if (scale != 1.0)
+ pixels /= scale;
-IMPLEMENT_DYNAMIC_CLASS(wxRichTextParagraphLayoutBox, wxRichTextBox)
+ // If the result is very small, make it at least one pixel in size.
+ if (pixels == 0 && units > 0)
+ pixels = 1;
-wxRichTextParagraphLayoutBox::wxRichTextParagraphLayoutBox(wxRichTextObject* parent):
- wxRichTextBox(parent)
+ return (int) pixels;
+}
+
+// Convert units in pixels to tenths of a millimetre
+int wxRichTextObject::ConvertPixelsToTenthsMM(wxDC& dc, int pixels) const
{
- Init();
+ int p = pixels;
+ double scale = 1.0;
+ if (GetBuffer())
+ scale = GetBuffer()->GetScale();
+
+ return ConvertPixelsToTenthsMM(dc.GetPPI().x, p, scale);
}
-/// Initialize the object.
-void wxRichTextParagraphLayoutBox::Init()
+int wxRichTextObject::ConvertPixelsToTenthsMM(int ppi, int pixels, double scale)
{
- m_ctrl = NULL;
+ // There are ppi pixels in 254.1 "1/10 mm"
- // For now, assume is the only box and has no initial size.
- m_range = wxRichTextRange(0, -1);
+ double p = double(pixels);
- m_invalidRange.SetRange(-1, -1);
- m_leftMargin = 4;
- m_rightMargin = 4;
- m_topMargin = 4;
- m_bottomMargin = 4;
- m_partialParagraph = false;
+ if (scale != 1.0)
+ p *= scale;
+
+ int units = int( p * 254.1 / (double) ppi );
+ return units;
}
-/// Draw the item
-bool wxRichTextParagraphLayoutBox::Draw(wxDC& dc, const wxRichTextRange& range, const wxRichTextRange& selectionRange, const wxRect& rect, int descent, int style)
+// Draw the borders and background for the given rectangle and attributes.
+// Width and height are taken to be the outer margin size, not the content.
+bool wxRichTextObject::DrawBoxAttributes(wxDC& dc, wxRichTextBuffer* buffer, const wxRichTextAttr& attr, const wxRect& boxRect, int flags, wxRichTextObject* obj)
{
- wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
- while (node)
- {
- wxRichTextParagraph* child = wxDynamicCast(node->GetData(), wxRichTextParagraph);
- wxASSERT (child != NULL);
+ // Assume boxRect is the area around the content
+ wxRect marginRect = boxRect;
+ wxRect contentRect, borderRect, paddingRect, outlineRect;
- if (child && !child->GetRange().IsOutside(range))
+ GetBoxRects(dc, buffer, attr, marginRect, borderRect, contentRect, paddingRect, outlineRect);
+
+ // Margin is transparent. Draw background from margin.
+ if (attr.HasBackgroundColour() || (flags & wxRICHTEXT_DRAW_SELECTED))
+ {
+ wxColour colour;
+ if (flags & wxRICHTEXT_DRAW_SELECTED)
{
- wxRect childRect(child->GetPosition(), child->GetCachedSize());
+ // TODO: get selection colour from control?
+ colour = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
+ }
+ else
+ colour = attr.GetBackgroundColour();
- if (((style & wxRICHTEXT_DRAW_IGNORE_CACHE) == 0) && childRect.GetTop() > rect.GetBottom())
- {
- // Stop drawing
- break;
- }
- else if (((style & wxRICHTEXT_DRAW_IGNORE_CACHE) == 0) && childRect.GetBottom() < rect.GetTop())
+ wxPen pen(colour);
+ wxBrush brush(colour);
+
+ dc.SetPen(pen);
+ dc.SetBrush(brush);
+ dc.DrawRectangle(borderRect);
+ }
+
+ if (flags & wxRICHTEXT_DRAW_GUIDELINES)
+ {
+ wxRichTextAttr editBorderAttr;
+ // TODO: make guideline colour configurable
+ editBorderAttr.GetTextBoxAttr().GetBorder().SetColour(*wxLIGHT_GREY);
+ editBorderAttr.GetTextBoxAttr().GetBorder().SetWidth(1, wxTEXT_ATTR_UNITS_PIXELS);
+ editBorderAttr.GetTextBoxAttr().GetBorder().SetStyle(wxTEXT_BOX_ATTR_BORDER_SOLID);
+
+ if (obj)
+ {
+ wxRichTextCell* cell = wxDynamicCast(obj, wxRichTextCell);
+ if (cell)
{
- // Skip
+ // This ensures that thin lines drawn by adjacent cells (left and above)
+ // don't get overwritten by the guidelines.
+ editBorderAttr.GetTextBoxAttr().GetBorder().GetLeft().Reset();
+ editBorderAttr.GetTextBoxAttr().GetBorder().GetTop().Reset();
}
- else
- child->Draw(dc, range, selectionRange, childRect, descent, style);
}
- node = node->GetNext();
+ DrawBorder(dc, buffer, editBorderAttr.GetTextBoxAttr().GetBorder(), borderRect, flags);
}
+
+ if (attr.GetTextBoxAttr().GetBorder().IsValid())
+ DrawBorder(dc, buffer, attr.GetTextBoxAttr().GetBorder(), borderRect);
+
+ if (attr.GetTextBoxAttr().GetOutline().IsValid())
+ DrawBorder(dc, buffer, attr.GetTextBoxAttr().GetOutline(), outlineRect);
+
return true;
}
-/// Lay the item out
-bool wxRichTextParagraphLayoutBox::Layout(wxDC& dc, const wxRect& rect, int style)
+// Draw a border
+bool wxRichTextObject::DrawBorder(wxDC& dc, wxRichTextBuffer* buffer, const wxTextAttrBorders& attr, const wxRect& rect, int WXUNUSED(flags))
{
- wxRect availableSpace;
- bool formatRect = (style & wxRICHTEXT_LAYOUT_SPECIFIED_RECT) == wxRICHTEXT_LAYOUT_SPECIFIED_RECT;
+ int borderLeft = 0, borderRight = 0, borderTop = 0, borderBottom = 0;
+ wxTextAttrDimensionConverter converter(dc, buffer ? buffer->GetScale() : 1.0);
- // If only laying out a specific area, the passed rect has a different meaning:
- // the visible part of the buffer. This is used in wxRichTextCtrl::OnSize,
- // so that during a size, only the visible part will be relaid out, or
- // it would take too long causing flicker. As an approximation, we assume that
- // everything up to the start of the visible area is laid out correctly.
- if (formatRect)
+ if (attr.GetLeft().IsValid() && attr.GetLeft().GetStyle() != wxTEXT_BOX_ATTR_BORDER_NONE)
{
- availableSpace = wxRect(0 + m_leftMargin,
- 0 + m_topMargin,
- rect.width - m_leftMargin - m_rightMargin,
- rect.height);
+ borderLeft = converter.GetPixels(attr.GetLeft().GetWidth());
+ wxColour col(attr.GetLeft().GetColour());
- // Invalidate the part of the buffer from the first visible line
- // to the end. If other parts of the buffer are currently invalid,
- // then they too will be taken into account if they are above
- // the visible point.
- long startPos = 0;
- wxRichTextLine* line = GetLineAtYPosition(rect.y);
- if (line)
- startPos = line->GetAbsoluteRange().GetStart();
+ // If pen width is > 1, resorts to a solid rectangle.
+ if (borderLeft == 1)
+ {
+ int penStyle = wxSOLID;
+ if (attr.GetLeft().GetStyle() == wxTEXT_BOX_ATTR_BORDER_DOTTED)
+ penStyle = wxDOT;
+ else if (attr.GetLeft().GetStyle() == wxTEXT_BOX_ATTR_BORDER_DASHED)
+ penStyle = wxLONG_DASH;
+ wxPen pen(col, 1, penStyle);
+ dc.SetPen(pen);
+ dc.DrawLine(rect.x, rect.y, rect.x, rect.y + rect.height);
- Invalidate(wxRichTextRange(startPos, GetRange().GetEnd()));
+ }
+ else if (borderLeft > 1)
+ {
+ wxPen pen(col);
+ wxBrush brush(col);
+ dc.SetPen(pen);
+ dc.SetBrush(brush);
+ dc.DrawRectangle(rect.x, rect.y, borderLeft, rect.height);
+ }
}
- else
- availableSpace = wxRect(rect.x + m_leftMargin,
- rect.y + m_topMargin,
- rect.width - m_leftMargin - m_rightMargin,
- rect.height - m_topMargin - m_bottomMargin);
-
- int maxWidth = 0;
-
- wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
- bool layoutAll = true;
-
- // Get invalid range, rounding to paragraph start/end.
- wxRichTextRange invalidRange = GetInvalidRange(true);
+ if (attr.GetRight().IsValid() && attr.GetRight().GetStyle() != wxTEXT_BOX_ATTR_BORDER_NONE)
+ {
+ borderRight = converter.GetPixels(attr.GetRight().GetWidth());
- if (invalidRange == wxRICHTEXT_NONE && !formatRect)
- return true;
+ wxColour col(attr.GetRight().GetColour());
- if (invalidRange == wxRICHTEXT_ALL)
- layoutAll = true;
- else // If we know what range is affected, start laying out from that point on.
- if (invalidRange.GetStart() > GetRange().GetStart())
- {
- wxRichTextParagraph* firstParagraph = GetParagraphAtPosition(invalidRange.GetStart());
- if (firstParagraph)
+ // If pen width is > 1, resorts to a solid rectangle.
+ if (borderRight == 1)
{
- wxRichTextObjectList::compatibility_iterator firstNode = m_children.Find(firstParagraph);
- wxRichTextObjectList::compatibility_iterator previousNode;
- if ( firstNode )
- previousNode = firstNode->GetPrevious();
- if (firstNode && previousNode)
- {
- wxRichTextParagraph* previousParagraph = wxDynamicCast(previousNode->GetData(), wxRichTextParagraph);
- availableSpace.y = previousParagraph->GetPosition().y + previousParagraph->GetCachedSize().y;
-
- // Now we're going to start iterating from the first affected paragraph.
- node = firstNode;
+ int penStyle = wxSOLID;
+ if (attr.GetRight().GetStyle() == wxTEXT_BOX_ATTR_BORDER_DOTTED)
+ penStyle = wxDOT;
+ else if (attr.GetRight().GetStyle() == wxTEXT_BOX_ATTR_BORDER_DASHED)
+ penStyle = wxLONG_DASH;
+ wxPen pen(col, 1, penStyle);
+ dc.SetPen(pen);
+ dc.DrawLine(rect.x + rect.width, rect.y, rect.x + rect.width, rect.y + rect.height + 1);
- layoutAll = false;
- }
+ }
+ else if (borderRight > 1)
+ {
+ wxPen pen(col);
+ wxBrush brush(col);
+ dc.SetPen(pen);
+ dc.SetBrush(brush);
+ dc.DrawRectangle(rect.x + rect.width - borderRight, rect.y, borderRight, rect.height + 1);
}
}
- // A way to force speedy rest-of-buffer layout (the 'else' below)
- bool forceQuickLayout = false;
-
- while (node)
+ if (attr.GetTop().IsValid() && attr.GetTop().GetStyle() != wxTEXT_BOX_ATTR_BORDER_NONE)
{
- // Assume this box only contains paragraphs
+ borderTop = converter.GetPixels(attr.GetTop().GetWidth());
- wxRichTextParagraph* child = wxDynamicCast(node->GetData(), wxRichTextParagraph);
- wxCHECK_MSG( child, false, _T("Unknown object in layout") );
+ wxColour col(attr.GetTop().GetColour());
- // TODO: what if the child hasn't been laid out (e.g. involved in Undo) but still has 'old' lines
- if ( !forceQuickLayout &&
- (layoutAll ||
- child->GetLines().IsEmpty() ||
- !child->GetRange().IsOutside(invalidRange)) )
+ // If pen width is > 1, resorts to a solid rectangle.
+ if (borderTop == 1)
{
- child->Layout(dc, availableSpace, style);
-
- // Layout must set the cached size
- availableSpace.y += child->GetCachedSize().y;
- maxWidth = wxMax(maxWidth, child->GetCachedSize().x);
+ int penStyle = wxSOLID;
+ if (attr.GetTop().GetStyle() == wxTEXT_BOX_ATTR_BORDER_DOTTED)
+ penStyle = wxDOT;
+ else if (attr.GetTop().GetStyle() == wxTEXT_BOX_ATTR_BORDER_DASHED)
+ penStyle = wxLONG_DASH;
+ wxPen pen(col, 1, penStyle);
+ dc.SetPen(pen);
+ dc.DrawLine(rect.x, rect.y, rect.x + rect.width, rect.y);
- // If we're just formatting the visible part of the buffer,
- // and we're now past the bottom of the window, start quick
- // layout.
- if (formatRect && child->GetPosition().y > rect.GetBottom())
- forceQuickLayout = true;
}
- else
+ else if (borderTop > 1)
{
- // We're outside the immediately affected range, so now let's just
- // move everything up or down. This assumes that all the children have previously
- // been laid out and have wrapped line lists associated with them.
- // TODO: check all paragraphs before the affected range.
+ wxPen pen(col);
+ wxBrush brush(col);
+ dc.SetPen(pen);
+ dc.SetBrush(brush);
+ dc.DrawRectangle(rect.x, rect.y, rect.width, borderTop);
+ }
+ }
- int inc = availableSpace.y - child->GetPosition().y;
+ if (attr.GetBottom().IsValid() && attr.GetBottom().GetStyle() != wxTEXT_BOX_ATTR_BORDER_NONE)
+ {
+ borderBottom = converter.GetPixels(attr.GetBottom().GetWidth());
+ wxColour col(attr.GetBottom().GetColour());
- while (node)
- {
- wxRichTextParagraph* child = wxDynamicCast(node->GetData(), wxRichTextParagraph);
- if (child)
- {
- if (child->GetLines().GetCount() == 0)
- child->Layout(dc, availableSpace, style);
- else
- child->SetPosition(wxPoint(child->GetPosition().x, child->GetPosition().y + inc));
-
- availableSpace.y += child->GetCachedSize().y;
- maxWidth = wxMax(maxWidth, child->GetCachedSize().x);
- }
+ // If pen width is > 1, resorts to a solid rectangle.
+ if (borderBottom == 1)
+ {
+ int penStyle = wxSOLID;
+ if (attr.GetBottom().GetStyle() == wxTEXT_BOX_ATTR_BORDER_DOTTED)
+ penStyle = wxDOT;
+ else if (attr.GetBottom().GetStyle() == wxTEXT_BOX_ATTR_BORDER_DASHED)
+ penStyle = wxLONG_DASH;
+ wxPen pen(col, 1, penStyle);
+ dc.SetPen(pen);
+ dc.DrawLine(rect.x, rect.y + rect.height, rect.x + rect.width, rect.y + rect.height);
- node = node->GetNext();
- }
- break;
}
+ else if (borderBottom > 1)
+ {
+ wxPen pen(col);
+ wxBrush brush(col);
+ dc.SetPen(pen);
+ dc.SetBrush(brush);
+ dc.DrawRectangle(rect.x, rect.y + rect.height - borderBottom + 1, rect.width, borderBottom);
+ }
+ }
- node = node->GetNext();
+ return true;
+}
+
+// Get the various rectangles of the box model in pixels. You can either specify contentRect (inner)
+// or marginRect (outer), and the other must be the default rectangle (no width or height).
+// Note that the outline doesn't affect the position of the rectangle, it's drawn in whatever space
+// is available.
+//
+// | Margin | Border | Padding | CONTENT | Padding | Border | Margin |
+
+bool wxRichTextObject::GetBoxRects(wxDC& dc, wxRichTextBuffer* buffer, const wxRichTextAttr& attr, wxRect& marginRect, wxRect& borderRect, wxRect& contentRect, wxRect& paddingRect, wxRect& outlineRect)
+{
+ int borderLeft = 0, borderRight = 0, borderTop = 0, borderBottom = 0;
+ int outlineLeft = 0, outlineRight = 0, outlineTop = 0, outlineBottom = 0;
+ int paddingLeft = 0, paddingRight = 0, paddingTop = 0, paddingBottom = 0;
+ int marginLeft = 0, marginRight = 0, marginTop = 0, marginBottom = 0;
+
+ wxTextAttrDimensionConverter converter(dc, buffer ? buffer->GetScale() : 1.0);
+
+ if (attr.GetTextBoxAttr().GetMargins().GetLeft().IsValid())
+ marginLeft = converter.GetPixels(attr.GetTextBoxAttr().GetMargins().GetLeft());
+ if (attr.GetTextBoxAttr().GetMargins().GetRight().IsValid())
+ marginRight = converter.GetPixels(attr.GetTextBoxAttr().GetMargins().GetRight());
+ if (attr.GetTextBoxAttr().GetMargins().GetTop().IsValid())
+ marginTop = converter.GetPixels(attr.GetTextBoxAttr().GetMargins().GetTop());
+ if (attr.GetTextBoxAttr().GetMargins().GetBottom().IsValid())
+ marginBottom = converter.GetPixels(attr.GetTextBoxAttr().GetMargins().GetBottom());
+
+ if (attr.GetTextBoxAttr().GetBorder().GetLeft().GetWidth().IsValid())
+ borderLeft = converter.GetPixels(attr.GetTextBoxAttr().GetBorder().GetLeft().GetWidth());
+ if (attr.GetTextBoxAttr().GetBorder().GetRight().GetWidth().IsValid())
+ borderRight = converter.GetPixels(attr.GetTextBoxAttr().GetBorder().GetRight().GetWidth());
+ if (attr.GetTextBoxAttr().GetBorder().GetTop().GetWidth().IsValid())
+ borderTop = converter.GetPixels(attr.GetTextBoxAttr().GetBorder().GetTop().GetWidth());
+ if (attr.GetTextBoxAttr().GetBorder().GetBottom().GetWidth().IsValid())
+ borderBottom = converter.GetPixels(attr.GetTextBoxAttr().GetBorder().GetBottom().GetWidth());
+
+ if (attr.GetTextBoxAttr().GetPadding().GetLeft().IsValid())
+ paddingLeft = converter.GetPixels(attr.GetTextBoxAttr().GetPadding().GetLeft());
+ if (attr.GetTextBoxAttr().GetPadding().GetRight().IsValid())
+ paddingRight = converter.GetPixels(attr.GetTextBoxAttr().GetPadding().GetRight());
+ if (attr.GetTextBoxAttr().GetPadding().GetTop().IsValid())
+ paddingTop = converter.GetPixels(attr.GetTextBoxAttr().GetPadding().GetTop());
+ if (attr.GetTextBoxAttr().GetPadding().GetBottom().IsValid())
+ paddingBottom = converter.GetPixels(attr.GetTextBoxAttr().GetPadding().GetBottom());
+
+ if (attr.GetTextBoxAttr().GetOutline().GetLeft().GetWidth().IsValid())
+ outlineLeft = converter.GetPixels(attr.GetTextBoxAttr().GetOutline().GetLeft().GetWidth());
+ if (attr.GetTextBoxAttr().GetOutline().GetRight().GetWidth().IsValid())
+ outlineRight = converter.GetPixels(attr.GetTextBoxAttr().GetOutline().GetRight().GetWidth());
+ if (attr.GetTextBoxAttr().GetOutline().GetTop().GetWidth().IsValid())
+ outlineTop = converter.GetPixels(attr.GetTextBoxAttr().GetOutline().GetTop().GetWidth());
+ if (attr.GetTextBoxAttr().GetOutline().GetBottom().GetWidth().IsValid())
+ outlineBottom = converter.GetPixels(attr.GetTextBoxAttr().GetOutline().GetBottom().GetWidth());
+
+ int leftTotal = marginLeft + borderLeft + paddingLeft;
+ int rightTotal = marginRight + borderRight + paddingRight;
+ int topTotal = marginTop + borderTop + paddingTop;
+ int bottomTotal = marginBottom + borderBottom + paddingBottom;
+
+ if (marginRect != wxRect())
+ {
+ contentRect.x = marginRect.x + leftTotal;
+ contentRect.y = marginRect.y + topTotal;
+ contentRect.width = marginRect.width - (leftTotal + rightTotal);
+ contentRect.height = marginRect.height - (topTotal + bottomTotal);
+ }
+ else
+ {
+ marginRect.x = contentRect.x - leftTotal;
+ marginRect.y = contentRect.y - topTotal;
+ marginRect.width = contentRect.width + (leftTotal + rightTotal);
+ marginRect.height = contentRect.height + (topTotal + bottomTotal);
}
- SetCachedSize(wxSize(maxWidth, availableSpace.y));
+ borderRect.x = marginRect.x + marginLeft;
+ borderRect.y = marginRect.y + marginTop;
+ borderRect.width = marginRect.width - (marginLeft + marginRight);
+ borderRect.height = marginRect.height - (marginTop + marginBottom);
- m_dirty = false;
- m_invalidRange = wxRICHTEXT_NONE;
+ paddingRect.x = marginRect.x + marginLeft + borderLeft;
+ paddingRect.y = marginRect.y + marginTop + borderTop;
+ paddingRect.width = marginRect.width - (marginLeft + marginRight + borderLeft + borderRight);
+ paddingRect.height = marginRect.height - (marginTop + marginBottom + borderTop + borderBottom);
+
+ // The outline is outside the margin and doesn't influence the overall box position or content size.
+ outlineRect.x = marginRect.x - outlineLeft;
+ outlineRect.y = marginRect.y - outlineTop;
+ outlineRect.width = marginRect.width + (outlineLeft + outlineRight);
+ outlineRect.height = marginRect.height + (outlineTop + outlineBottom);
return true;
}
-/// Copy
-void wxRichTextParagraphLayoutBox::Copy(const wxRichTextParagraphLayoutBox& obj)
+// Get the total margin for the object in pixels, taking into account margin, padding and border size
+bool wxRichTextObject::GetTotalMargin(wxDC& dc, wxRichTextBuffer* buffer, const wxRichTextAttr& attr, int& leftMargin, int& rightMargin,
+ int& topMargin, int& bottomMargin)
{
- wxRichTextBox::Copy(obj);
+ // Assume boxRect is the area around the content
+ wxRect contentRect, marginRect, borderRect, paddingRect, outlineRect;
+ marginRect = wxRect(0, 0, 1000, 1000);
- m_partialParagraph = obj.m_partialParagraph;
- m_defaultAttributes = obj.m_defaultAttributes;
+ GetBoxRects(dc, buffer, attr, marginRect, borderRect, contentRect, paddingRect, outlineRect);
+
+ leftMargin = contentRect.GetLeft() - marginRect.GetLeft();
+ rightMargin = marginRect.GetRight() - contentRect.GetRight();
+ topMargin = contentRect.GetTop() - marginRect.GetTop();
+ bottomMargin = marginRect.GetBottom() - contentRect.GetBottom();
+
+ return true;
}
-/// Get/set the size for the given range.
-bool wxRichTextParagraphLayoutBox::GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, int flags, wxPoint position) const
+// Returns the rectangle which the child has available to it given restrictions specified in the
+// child attribute, e.g. 50% width of the parent, 400 pixels, x position 20% of the parent, etc.
+// availableContainerSpace might be a parent that the cell has to compute its width relative to.
+// E.g. a cell that's 50% of its parent.
+wxRect wxRichTextObject::AdjustAvailableSpace(wxDC& dc, wxRichTextBuffer* buffer, const wxRichTextAttr& WXUNUSED(parentAttr), const wxRichTextAttr& childAttr, const wxRect& availableParentSpace, const wxRect& availableContainerSpace)
{
- wxSize sz;
+ wxRect rect = availableParentSpace;
+ double scale = 1.0;
+ if (buffer)
+ scale = buffer->GetScale();
- wxRichTextObjectList::compatibility_iterator startPara = wxRichTextObjectList::compatibility_iterator();
- wxRichTextObjectList::compatibility_iterator endPara = wxRichTextObjectList::compatibility_iterator();
+ wxTextAttrDimensionConverter converter(dc, scale, availableContainerSpace.GetSize());
- // First find the first paragraph whose starting position is within the range.
- wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
- while (node)
- {
- // child is a paragraph
- wxRichTextObject* child = node->GetData();
- const wxRichTextRange& r = child->GetRange();
+ if (childAttr.GetTextBoxAttr().GetWidth().IsValid())
+ rect.width = converter.GetPixels(childAttr.GetTextBoxAttr().GetWidth());
- if (r.GetStart() <= range.GetStart() && r.GetEnd() >= range.GetStart())
- {
- startPara = node;
- break;
- }
+ if (childAttr.GetTextBoxAttr().GetHeight().IsValid())
+ rect.height = converter.GetPixels(childAttr.GetTextBoxAttr().GetHeight());
- node = node->GetNext();
+ // Can specify either left or right for the position (we're assuming we can't
+ // set the left and right edges to effectively set the size. Would we want to do that?)
+ if (childAttr.GetTextBoxAttr().GetPosition().GetLeft().IsValid())
+ {
+ rect.x = rect.x + converter.GetPixels(childAttr.GetTextBoxAttr().GetPosition().GetLeft());
}
-
- // Next find the last paragraph containing part of the range
- node = m_children.GetFirst();
- while (node)
+ else if (childAttr.GetTextBoxAttr().GetPosition().GetRight().IsValid())
{
- // child is a paragraph
- wxRichTextObject* child = node->GetData();
- const wxRichTextRange& r = child->GetRange();
-
- if (r.GetStart() <= range.GetEnd() && r.GetEnd() >= range.GetEnd())
- {
- endPara = node;
- break;
- }
-
- node = node->GetNext();
+ int x = converter.GetPixels(childAttr.GetTextBoxAttr().GetPosition().GetRight());
+ if (childAttr.GetTextBoxAttr().GetPosition().GetRight().GetPosition() == wxTEXT_BOX_ATTR_POSITION_RELATIVE)
+ rect.x = availableContainerSpace.x + availableContainerSpace.width - rect.width;
+ else
+ rect.x += x;
}
- if (!startPara || !endPara)
- return false;
-
- // Now we can add up the sizes
- for (node = startPara; node ; node = node->GetNext())
+ if (childAttr.GetTextBoxAttr().GetPosition().GetTop().IsValid())
{
- // child is a paragraph
- wxRichTextObject* child = node->GetData();
- const wxRichTextRange& childRange = child->GetRange();
- wxRichTextRange rangeToFind = range;
- rangeToFind.LimitTo(childRange);
-
- wxSize childSize;
-
- int childDescent = 0;
- child->GetRangeSize(rangeToFind, childSize, childDescent, dc, flags, position);
-
- descent = wxMax(childDescent, descent);
+ rect.y = rect.y + converter.GetPixels(childAttr.GetTextBoxAttr().GetPosition().GetTop());
+ }
+ else if (childAttr.GetTextBoxAttr().GetPosition().GetBottom().IsValid())
+ {
+ int y = converter.GetPixels(childAttr.GetTextBoxAttr().GetPosition().GetBottom());
+ if (childAttr.GetTextBoxAttr().GetPosition().GetBottom().GetPosition() == wxTEXT_BOX_ATTR_POSITION_RELATIVE)
+ rect.y = availableContainerSpace.y + availableContainerSpace.height - rect.height;
+ else
+ rect.y += y;
+ }
- sz.x = wxMax(sz.x, childSize.x);
- sz.y += childSize.y;
+ if (rect.GetWidth() > availableParentSpace.GetWidth())
+ rect.SetWidth(availableParentSpace.GetWidth());
- if (node == endPara)
- break;
- }
+ return rect;
+}
- size = sz;
+// Dump to output stream for debugging
+void wxRichTextObject::Dump(wxTextOutputStream& stream)
+{
+ stream << GetClassInfo()->GetClassName() << wxT("\n");
+ stream << wxString::Format(wxT("Size: %d,%d. Position: %d,%d, Range: %ld,%ld"), m_size.x, m_size.y, m_pos.x, m_pos.y, m_range.GetStart(), m_range.GetEnd()) << wxT("\n");
+ stream << wxString::Format(wxT("Text colour: %d,%d,%d."), (int) m_attributes.GetTextColour().Red(), (int) m_attributes.GetTextColour().Green(), (int) m_attributes.GetTextColour().Blue()) << wxT("\n");
+}
- return true;
+// Gets the containing buffer
+wxRichTextBuffer* wxRichTextObject::GetBuffer() const
+{
+ const wxRichTextObject* obj = this;
+ while (obj && !wxDynamicCast(obj, wxRichTextBuffer))
+ obj = obj->GetParent();
+ return wxDynamicCast(obj, wxRichTextBuffer);
}
-/// Get the paragraph at the given position
-wxRichTextParagraph* wxRichTextParagraphLayoutBox::GetParagraphAtPosition(long pos, bool caretPosition) const
+// Get the absolute object position, by traversing up the child/parent hierarchy
+wxPoint wxRichTextObject::GetAbsolutePosition() const
{
- if (caretPosition)
- pos ++;
+ wxPoint pt = GetPosition();
- // First find the first paragraph whose starting position is within the range.
- wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
- while (node)
+ wxRichTextObject* p = GetParent();
+ while (p)
{
- // child is a paragraph
- wxRichTextParagraph* child = wxDynamicCast(node->GetData(), wxRichTextParagraph);
- wxASSERT (child != NULL);
+ pt = pt + p->GetPosition();
+ p = p->GetParent();
+ }
- // Return first child in buffer if position is -1
- // if (pos == -1)
- // return child;
+ return pt;
+}
- if (child->GetRange().Contains(pos))
- return child;
+// Hit-testing: returns a flag indicating hit test details, plus
+// information about position
+int wxRichTextObject::HitTest(wxDC& WXUNUSED(dc), wxRichTextDrawingContext& WXUNUSED(context), const wxPoint& pt, long& textPosition, wxRichTextObject** obj, wxRichTextObject** contextObj, int WXUNUSED(flags))
+{
+ if (!IsShown())
+ return wxRICHTEXT_HITTEST_NONE;
- node = node->GetNext();
+ wxRect rect = GetRect();
+ if (pt.x >= rect.x && pt.x < rect.x + rect.width &&
+ pt.y >= rect.y && pt.y < rect.y + rect.height)
+ {
+ *obj = this;
+ *contextObj = GetParentContainer();
+ textPosition = GetRange().GetStart();
+ return wxRICHTEXT_HITTEST_ON;
}
- return NULL;
+ else
+ return wxRICHTEXT_HITTEST_NONE;
}
-/// Get the line at the given position
-wxRichTextLine* wxRichTextParagraphLayoutBox::GetLineAtPosition(long pos, bool caretPosition) const
+// Lays out the object first with a given amount of space, and then if no width was specified in attr,
+// lays out the object again using the maximum ('best') size
+bool wxRichTextObject::LayoutToBestSize(wxDC& dc, wxRichTextDrawingContext& context, wxRichTextBuffer* buffer,
+ const wxRichTextAttr& parentAttr, const wxRichTextAttr& attr,
+ const wxRect& availableParentSpace, const wxRect& availableContainerSpace,
+ int style)
{
- if (caretPosition)
- pos ++;
+ wxRect availableChildRect = AdjustAvailableSpace(dc, buffer, parentAttr, attr, availableParentSpace, availableContainerSpace);
+ wxRect originalAvailableRect = availableChildRect;
+ Layout(dc, context, availableChildRect, availableContainerSpace, style);
- // First find the first paragraph whose starting position is within the range.
- wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
- while (node)
+ wxSize maxSize = GetMaxSize();
+
+ // Don't ignore if maxSize.x is zero, since we need to redo the paragraph's lines
+ // on this basis
+ if (!attr.GetTextBoxAttr().GetWidth().IsValid() && maxSize.x < availableChildRect.width)
{
- // child is a paragraph
- wxRichTextParagraph* child = wxDynamicCast(node->GetData(), wxRichTextParagraph);
- wxASSERT (child != NULL);
+ // Redo the layout with a fixed, minimum size this time.
+ Invalidate(wxRICHTEXT_ALL);
+ wxRichTextAttr newAttr(attr);
+ newAttr.GetTextBoxAttr().GetWidth().SetValue(maxSize.x, wxTEXT_ATTR_UNITS_PIXELS);
+ newAttr.GetTextBoxAttr().GetWidth().SetPosition(wxTEXT_BOX_ATTR_POSITION_ABSOLUTE);
- wxRichTextLineList::compatibility_iterator node2 = child->GetLines().GetFirst();
- while (node2)
- {
- wxRichTextLine* line = node2->GetData();
+ availableChildRect = AdjustAvailableSpace(dc, buffer, parentAttr, newAttr, availableParentSpace, availableContainerSpace);
- wxRichTextRange range = line->GetAbsoluteRange();
+ // If a paragraph, align the whole paragraph.
+ // Problem with this: if we're limited by a floating object, a line may be centered
+ // w.r.t. the smaller resulting box rather than the actual available width.
+ // FIXME: aligning whole paragraph not compatible with floating objects
+ if (attr.HasAlignment() && (!wxRichTextBuffer::GetFloatingLayoutMode() || (GetContainer()->GetFloatCollector() && !GetContainer()->GetFloatCollector()->HasFloats())))
+ {
+ // centering, right-justification
+ if (attr.GetAlignment() == wxTEXT_ALIGNMENT_CENTRE)
+ {
+ availableChildRect.x = (originalAvailableRect.GetWidth() - availableChildRect.GetWidth())/2 + availableChildRect.x;
+ }
+ else if (attr.GetAlignment() == wxTEXT_ALIGNMENT_RIGHT)
+ {
+ availableChildRect.x = availableChildRect.x + originalAvailableRect.GetWidth() - availableChildRect.GetWidth();
+ }
+ }
- if (range.Contains(pos) ||
+ Layout(dc, context, availableChildRect, availableContainerSpace, style);
+ }
- // If the position is end-of-paragraph, then return the last line of
- // of the paragraph.
- (range.GetEnd() == child->GetRange().GetEnd()-1) && (pos == child->GetRange().GetEnd()))
- return line;
+ /*
+ __________________
+ | ____________ |
+ | | | |
- node2 = node2->GetNext();
- }
- node = node->GetNext();
- }
+ */
- int lineCount = GetLineCount();
- if (lineCount > 0)
- return GetLineForVisibleLineNumber(lineCount-1);
- else
- return NULL;
+ return true;
}
-/// Get the line at the given y pixel position, or the last line.
-wxRichTextLine* wxRichTextParagraphLayoutBox::GetLineAtYPosition(int y) const
+// Move the object recursively, by adding the offset from old to new
+void wxRichTextObject::Move(const wxPoint& pt)
{
- wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
- while (node)
- {
- wxRichTextParagraph* child = wxDynamicCast(node->GetData(), wxRichTextParagraph);
- wxASSERT (child != NULL);
-
- wxRichTextLineList::compatibility_iterator node2 = child->GetLines().GetFirst();
- while (node2)
- {
- wxRichTextLine* line = node2->GetData();
-
- wxRect rect(line->GetRect());
+ SetPosition(pt);
+}
- if (y <= rect.GetBottom())
- return line;
- node2 = node2->GetNext();
- }
+/*!
+ * wxRichTextCompositeObject
+ * This is the base for drawable objects.
+ */
- node = node->GetNext();
- }
+IMPLEMENT_CLASS(wxRichTextCompositeObject, wxRichTextObject)
- // Return last line
- int lineCount = GetLineCount();
- if (lineCount > 0)
- return GetLineForVisibleLineNumber(lineCount-1);
- else
- return NULL;
+wxRichTextCompositeObject::wxRichTextCompositeObject(wxRichTextObject* parent):
+ wxRichTextObject(parent)
+{
}
-/// Get the number of visible lines
-int wxRichTextParagraphLayoutBox::GetLineCount() const
+wxRichTextCompositeObject::~wxRichTextCompositeObject()
{
- int count = 0;
+ DeleteChildren();
+}
- wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
- while (node)
- {
- wxRichTextParagraph* child = wxDynamicCast(node->GetData(), wxRichTextParagraph);
- wxASSERT (child != NULL);
+/// Get the nth child
+wxRichTextObject* wxRichTextCompositeObject::GetChild(size_t n) const
+{
+ wxASSERT ( n < m_children.GetCount() );
- count += child->GetLines().GetCount();
- node = node->GetNext();
- }
- return count;
+ return m_children.Item(n)->GetData();
}
-
-/// Get the paragraph for a given line
-wxRichTextParagraph* wxRichTextParagraphLayoutBox::GetParagraphForLine(wxRichTextLine* line) const
+/// Append a child, returning the position
+size_t wxRichTextCompositeObject::AppendChild(wxRichTextObject* child)
{
- return GetParagraphAtPosition(line->GetAbsoluteRange().GetStart());
+ m_children.Append(child);
+ child->SetParent(this);
+ return m_children.GetCount() - 1;
}
-/// Get the line size at the given position
-wxSize wxRichTextParagraphLayoutBox::GetLineSizeAtPosition(long pos, bool caretPosition) const
+/// Insert the child in front of the given object, or at the beginning
+bool wxRichTextCompositeObject::InsertChild(wxRichTextObject* child, wxRichTextObject* inFrontOf)
{
- wxRichTextLine* line = GetLineAtPosition(pos, caretPosition);
- if (line)
+ if (inFrontOf)
{
- return line->GetSize();
+ wxRichTextObjectList::compatibility_iterator node = m_children.Find(inFrontOf);
+ m_children.Insert(node, child);
}
else
- return wxSize(0, 0);
-}
+ m_children.Insert(child);
+ child->SetParent(this);
+ return true;
+}
-/// Convenience function to add a paragraph of text
-wxRichTextRange wxRichTextParagraphLayoutBox::AddParagraph(const wxString& text, wxTextAttr* paraStyle)
+/// Delete the child
+bool wxRichTextCompositeObject::RemoveChild(wxRichTextObject* child, bool deleteChild)
{
- // Don't use the base style, just the default style, and the base style will
- // be combined at display time.
- // Divide into paragraph and character styles.
-
- wxTextAttr defaultCharStyle;
- wxTextAttr defaultParaStyle;
-
- wxRichTextSplitParaCharStyles(GetDefaultStyle(), defaultParaStyle, defaultCharStyle);
- wxTextAttr* pStyle = paraStyle ? paraStyle : (wxTextAttr*) & defaultParaStyle;
- wxTextAttr* cStyle = & defaultCharStyle;
-
- wxRichTextParagraph* para = new wxRichTextParagraph(text, this, pStyle, cStyle);
-
- AppendChild(para);
-
- UpdateRanges();
- SetDirty(true);
+ wxRichTextObjectList::compatibility_iterator node = m_children.Find(child);
+ if (node)
+ {
+ wxRichTextObject* obj = node->GetData();
+ m_children.Erase(node);
+ if (deleteChild)
+ delete obj;
- return para->GetRange();
+ return true;
+ }
+ return false;
}
-/// Adds multiple paragraphs, based on newlines.
-wxRichTextRange wxRichTextParagraphLayoutBox::AddParagraphs(const wxString& text, wxTextAttr* paraStyle)
+/// Delete all children
+bool wxRichTextCompositeObject::DeleteChildren()
{
- // Don't use the base style, just the default style, and the base style will
- // be combined at display time.
- // Divide into paragraph and character styles.
-
- wxTextAttr defaultCharStyle;
- wxTextAttr defaultParaStyle;
- wxRichTextSplitParaCharStyles(GetDefaultStyle(), defaultParaStyle, defaultCharStyle);
+ wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
+ {
+ wxRichTextObjectList::compatibility_iterator oldNode = node;
- wxTextAttr* pStyle = paraStyle ? paraStyle : (wxTextAttr*) & defaultParaStyle;
- wxTextAttr* cStyle = & defaultCharStyle;
+ wxRichTextObject* child = node->GetData();
+ child->Dereference(); // Only delete if reference count is zero
- wxRichTextParagraph* firstPara = NULL;
- wxRichTextParagraph* lastPara = NULL;
+ node = node->GetNext();
+ m_children.Erase(oldNode);
+ }
- wxRichTextRange range(-1, -1);
+ return true;
+}
- size_t i = 0;
- size_t len = text.length();
- wxString line;
- wxRichTextParagraph* para = new wxRichTextParagraph(wxEmptyString, this, pStyle, cStyle);
+/// Get the child count
+size_t wxRichTextCompositeObject::GetChildCount() const
+{
+ return m_children.GetCount();
+}
- AppendChild(para);
+/// Copy
+void wxRichTextCompositeObject::Copy(const wxRichTextCompositeObject& obj)
+{
+ wxRichTextObject::Copy(obj);
- firstPara = para;
- lastPara = para;
+ DeleteChildren();
- while (i < len)
+ wxRichTextObjectList::compatibility_iterator node = obj.m_children.GetFirst();
+ while (node)
{
- wxChar ch = text[i];
- if (ch == wxT('\n') || ch == wxT('\r'))
- {
- wxRichTextPlainText* plainText = (wxRichTextPlainText*) para->GetChildren().GetFirst()->GetData();
- plainText->SetText(line);
+ wxRichTextObject* child = node->GetData();
+ wxRichTextObject* newChild = child->Clone();
+ newChild->SetParent(this);
+ m_children.Append(newChild);
+
+ node = node->GetNext();
+ }
+}
- para = new wxRichTextParagraph(wxEmptyString, this, pStyle, cStyle);
+/// Hit-testing: returns a flag indicating hit test details, plus
+/// information about position
+int wxRichTextCompositeObject::HitTest(wxDC& dc, wxRichTextDrawingContext& context, const wxPoint& pt, long& textPosition, wxRichTextObject** obj, wxRichTextObject** contextObj, int flags)
+{
+ if (!IsShown())
+ return wxRICHTEXT_HITTEST_NONE;
- AppendChild(para);
+ wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
+ {
+ wxRichTextObject* child = node->GetData();
- lastPara = para;
- line = wxEmptyString;
+ if (child->IsShown() && child->IsTopLevel() && (flags & wxRICHTEXT_HITTEST_NO_NESTED_OBJECTS))
+ {
+ // Just check if we hit the overall object
+ int ret = child->wxRichTextObject::HitTest(dc, context, pt, textPosition, obj, contextObj, flags);
+ if (ret != wxRICHTEXT_HITTEST_NONE)
+ return ret;
+ }
+ else if (child->IsShown())
+ {
+ int ret = child->HitTest(dc, context, pt, textPosition, obj, contextObj, flags);
+ if (ret != wxRICHTEXT_HITTEST_NONE)
+ return ret;
}
- else
- line += ch;
- i ++;
+ node = node->GetNext();
}
- if (!line.empty())
+ return wxRICHTEXT_HITTEST_NONE;
+}
+
+/// Finds the absolute position and row height for the given character position
+bool wxRichTextCompositeObject::FindPosition(wxDC& dc, wxRichTextDrawingContext& context, long index, wxPoint& pt, int* height, bool forceLineStart)
+{
+ wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
{
- wxRichTextPlainText* plainText = (wxRichTextPlainText*) para->GetChildren().GetFirst()->GetData();
- plainText->SetText(line);
- }
+ wxRichTextObject* child = node->GetData();
- UpdateRanges();
+ // Don't recurse if the child is a top-level object,
+ // such as a text box, because the character position will no longer
+ // apply. By definition, a top-level object has its own range of
+ // character positions.
+ if (!child->IsTopLevel() && child->FindPosition(dc, context, index, pt, height, forceLineStart))
+ return true;
- SetDirty(false);
+ node = node->GetNext();
+ }
- return wxRichTextRange(firstPara->GetRange().GetStart(), lastPara->GetRange().GetEnd());
+ return false;
}
-/// Convenience function to add an image
-wxRichTextRange wxRichTextParagraphLayoutBox::AddImage(const wxImage& image, wxTextAttr* paraStyle)
+/// Calculate range
+void wxRichTextCompositeObject::CalculateRange(long start, long& end)
{
- // Don't use the base style, just the default style, and the base style will
- // be combined at display time.
- // Divide into paragraph and character styles.
+ long current = start;
+ long lastEnd = current;
- wxTextAttr defaultCharStyle;
- wxTextAttr defaultParaStyle;
- wxRichTextSplitParaCharStyles(GetDefaultStyle(), defaultParaStyle, defaultCharStyle);
+ if (IsTopLevel())
+ {
+ current = 0;
+ lastEnd = 0;
+ }
- wxTextAttr* pStyle = paraStyle ? paraStyle : (wxTextAttr*) & defaultParaStyle;
- wxTextAttr* cStyle = & defaultCharStyle;
+ wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
+ {
+ wxRichTextObject* child = node->GetData();
+ long childEnd = 0;
- wxRichTextParagraph* para = new wxRichTextParagraph(this, pStyle);
- AppendChild(para);
- para->AppendChild(new wxRichTextImage(image, this, cStyle));
+ child->CalculateRange(current, childEnd);
+ lastEnd = childEnd;
- UpdateRanges();
- SetDirty(true);
+ current = childEnd + 1;
- return para->GetRange();
-}
+ node = node->GetNext();
+ }
+ if (IsTopLevel())
+ {
+ // A top-level object always has a range of size 1,
+ // because its children don't count at this level.
+ end = start;
+ m_range.SetRange(start, start);
-/// Insert fragment into this box at the given position. If partialParagraph is true,
-/// it is assumed that the last (or only) paragraph is just a piece of data with no paragraph
-/// marker.
+ // An object with no children has zero length
+ if (m_children.GetCount() == 0)
+ lastEnd --;
+ m_ownRange.SetRange(0, lastEnd);
+ }
+ else
+ {
+ end = lastEnd;
-bool wxRichTextParagraphLayoutBox::InsertFragment(long position, wxRichTextParagraphLayoutBox& fragment)
+ // An object with no children has zero length
+ if (m_children.GetCount() == 0)
+ end --;
+
+ m_range.SetRange(start, end);
+ }
+}
+
+/// Delete range from layout.
+bool wxRichTextCompositeObject::DeleteRange(const wxRichTextRange& range)
{
- SetDirty(true);
+ wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
- // First, find the first paragraph whose starting position is within the range.
- wxRichTextParagraph* para = GetParagraphAtPosition(position);
- if (para)
+ while (node)
{
- wxRichTextObjectList::compatibility_iterator node = m_children.Find(para);
+ wxRichTextObject* obj = (wxRichTextObject*) node->GetData();
+ wxRichTextObjectList::compatibility_iterator next = node->GetNext();
- // Now split at this position, returning the object to insert the new
- // ones in front of.
- wxRichTextObject* nextObject = para->SplitAt(position);
+ // Delete the range in each paragraph
- // Special case: partial paragraph, just one paragraph. Might be a small amount of
- // text, for example, so let's optimize.
+ // When a chunk has been deleted, internally the content does not
+ // now match the ranges.
+ // However, so long as deletion is not done on the same object twice this is OK.
+ // If you may delete content from the same object twice, recalculate
+ // the ranges inbetween DeleteRange calls by calling CalculateRanges, and
+ // adjust the range you're deleting accordingly.
- if (fragment.GetPartialParagraph() && fragment.GetChildren().GetCount() == 1)
+ if (!obj->GetRange().IsOutside(range))
{
- // Add the first para to this para...
- wxRichTextObjectList::compatibility_iterator firstParaNode = fragment.GetChildren().GetFirst();
- if (!firstParaNode)
- return false;
-
- // Iterate through the fragment paragraph inserting the content into this paragraph.
- wxRichTextParagraph* firstPara = wxDynamicCast(firstParaNode->GetData(), wxRichTextParagraph);
- wxASSERT (firstPara != NULL);
+ // No need to delete within a top-level object; just removing this object will do fine
+ if (!obj->IsTopLevel())
+ obj->DeleteRange(range);
- // Apply the new paragraph attributes to the existing paragraph
- wxTextAttr attr(para->GetAttributes());
- wxRichTextApplyStyle(attr, firstPara->GetAttributes());
- para->SetAttributes(attr);
-
- wxRichTextObjectList::compatibility_iterator objectNode = firstPara->GetChildren().GetFirst();
- while (objectNode)
+ // Delete an empty object, or paragraph within this range.
+ if (obj->IsEmpty() ||
+ (range.GetStart() <= obj->GetRange().GetStart() && range.GetEnd() >= obj->GetRange().GetEnd()))
{
- wxRichTextObject* newObj = objectNode->GetData()->Clone();
-
- if (!nextObject)
- {
- // Append
- para->AppendChild(newObj);
- }
- else
- {
- // Insert before nextObject
- para->InsertChild(newObj, nextObject);
- }
-
- objectNode = objectNode->GetNext();
+ // An empty paragraph has length 1, so won't be deleted unless the
+ // whole range is deleted.
+ RemoveChild(obj, true);
}
-
- return true;
}
- else
- {
- // Procedure for inserting a fragment consisting of a number of
- // paragraphs:
- //
- // 1. Remove and save the content that's after the insertion point, for adding
- // back once we've added the fragment.
- // 2. Add the content from the first fragment paragraph to the current
- // paragraph.
- // 3. Add remaining fragment paragraphs after the current paragraph.
- // 4. Add back the saved content from the first paragraph. If partialParagraph
- // is true, add it to the last paragraph added and not a new one.
- // 1. Remove and save objects after split point.
- wxList savedObjects;
- if (nextObject)
- para->MoveToList(nextObject, savedObjects);
+ node = next;
+ }
- // 2. Add the content from the 1st fragment paragraph.
- wxRichTextObjectList::compatibility_iterator firstParaNode = fragment.GetChildren().GetFirst();
- if (!firstParaNode)
- return false;
+ return true;
+}
- wxRichTextParagraph* firstPara = wxDynamicCast(firstParaNode->GetData(), wxRichTextParagraph);
- wxASSERT(firstPara != NULL);
+/// Get any text in this object for the given range
+wxString wxRichTextCompositeObject::GetTextForRange(const wxRichTextRange& range) const
+{
+ wxString text;
+ wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
+ {
+ wxRichTextObject* child = node->GetData();
+ wxRichTextRange childRange = range;
+ if (!child->GetRange().IsOutside(range))
+ {
+ childRange.LimitTo(child->GetRange());
- wxRichTextObjectList::compatibility_iterator objectNode = firstPara->GetChildren().GetFirst();
- while (objectNode)
- {
- wxRichTextObject* newObj = objectNode->GetData()->Clone();
+ wxString childText = child->GetTextForRange(childRange);
- // Append
- para->AppendChild(newObj);
+ text += childText;
+ }
+ node = node->GetNext();
+ }
- objectNode = objectNode->GetNext();
- }
+ return text;
+}
- // 3. Add remaining fragment paragraphs after the current paragraph.
- wxRichTextObjectList::compatibility_iterator nextParagraphNode = node->GetNext();
- wxRichTextObject* nextParagraph = NULL;
- if (nextParagraphNode)
- nextParagraph = nextParagraphNode->GetData();
+/// Get the child object at the given character position
+wxRichTextObject* wxRichTextCompositeObject::GetChildAtPosition(long pos) const
+{
+ wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
+ {
+ wxRichTextObject* child = node->GetData();
+ if (child->GetRange().GetStart() == pos)
+ return child;
+ node = node->GetNext();
+ }
+ return NULL;
+}
- wxRichTextObjectList::compatibility_iterator i = fragment.GetChildren().GetFirst()->GetNext();
- wxRichTextParagraph* finalPara = para;
+/// Recursively merge all pieces that can be merged.
+bool wxRichTextCompositeObject::Defragment(wxRichTextDrawingContext& context, const wxRichTextRange& range)
+{
+ wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
+ {
+ wxRichTextObject* child = node->GetData();
+ if (range == wxRICHTEXT_ALL || !child->GetRange().IsOutside(range))
+ {
+ wxRichTextCompositeObject* composite = wxDynamicCast(child, wxRichTextCompositeObject);
+ if (composite)
+ composite->Defragment(context);
- // If there was only one paragraph, we need to insert a new one.
- if (!i)
+ // Optimization: if there are no virtual attributes, we won't need to
+ // to split objects in order to paint individually attributed chunks.
+ // So only merge in this case.
+ if (!context.GetVirtualAttributesEnabled())
{
- finalPara = new wxRichTextParagraph;
-
- // TODO: These attributes should come from the subsequent paragraph
- // when originally deleted, since the subsequent para takes on
- // the previous para's attributes.
- finalPara->SetAttributes(firstPara->GetAttributes());
-
- if (nextParagraph)
- InsertChild(finalPara, nextParagraph);
+ if (node->GetNext())
+ {
+ wxRichTextObject* nextChild = node->GetNext()->GetData();
+ if (child->CanMerge(nextChild, context) && child->Merge(nextChild, context))
+ {
+ nextChild->Dereference();
+ m_children.Erase(node->GetNext());
+ }
+ else
+ node = node->GetNext();
+ }
else
- AppendChild(finalPara);
+ node = node->GetNext();
}
- else while (i)
+ else
{
- wxRichTextParagraph* para = wxDynamicCast(i->GetData(), wxRichTextParagraph);
- wxASSERT( para != NULL );
-
- finalPara = (wxRichTextParagraph*) para->Clone();
+ // If we might have virtual attributes, we first see if we have to split
+ // objects so that they may be painted with potential virtual attributes,
+ // since text objects can only draw or measure with a single attributes object
+ // at a time.
+ wxRichTextObject* childAfterSplit = child;
+ if (child->CanSplit(context))
+ {
+ childAfterSplit = child->Split(context);
+ node = m_children.Find(childAfterSplit);
+ }
- if (nextParagraph)
- InsertChild(finalPara, nextParagraph);
+ if (node->GetNext())
+ {
+ wxRichTextObject* nextChild = node->GetNext()->GetData();
+
+ // First split child and nextChild so we have smaller fragments to merge.
+ // Then Merge only has to test per-object virtual attributes
+ // because for an object with all the same sub-object attributes,
+ // then any general virtual attributes should be merged with sub-objects by
+ // the implementation.
+
+ wxRichTextObject* nextChildAfterSplit = nextChild;
+
+ if (nextChildAfterSplit->CanSplit(context))
+ nextChildAfterSplit = nextChild->Split(context);
+
+ bool splitNextChild = nextChild != nextChildAfterSplit;
+
+ // See if we can merge this new fragment with (perhaps the first part of) the next object.
+ // Note that we use nextChild because if we had split nextChild, the first object always
+ // remains (and further parts are appended). However we must use childAfterSplit since
+ // it's the last part of a possibly split child.
+
+ if (childAfterSplit->CanMerge(nextChild, context) && childAfterSplit->Merge(nextChild, context))
+ {
+ nextChild->Dereference();
+ m_children.Erase(node->GetNext());
+
+ // Don't set node -- we'll see if we can merge again with the next
+ // child. UNLESS we split this or the next child, in which case we know we have to
+ // move on to the end of the next child.
+ if (splitNextChild)
+ node = m_children.Find(nextChildAfterSplit);
+ }
+ else
+ {
+ if (splitNextChild)
+ node = m_children.Find(nextChildAfterSplit); // start from the last object in the split
+ else
+ node = node->GetNext();
+ }
+ }
else
- AppendChild(finalPara);
-
- i = i->GetNext();
+ node = node->GetNext();
}
+ }
+ else
+ node = node->GetNext();
+ }
- // 4. Add back the remaining content.
- if (finalPara)
+ // Delete any remaining empty objects, but leave at least one empty object per composite object.
+ if (GetChildCount() > 1)
+ {
+ node = m_children.GetFirst();
+ while (node)
+ {
+ wxRichTextObjectList::compatibility_iterator next = node->GetNext();
+ wxRichTextObject* child = node->GetData();
+ if (range == wxRICHTEXT_ALL || !child->GetRange().IsOutside(range))
{
- finalPara->MoveFromList(savedObjects);
-
- // Ensure there's at least one object
- if (finalPara->GetChildCount() == 0)
+ if (child->IsEmpty())
{
- wxRichTextPlainText* text = new wxRichTextPlainText(wxEmptyString);
-
- finalPara->AppendChild(text);
+ child->Dereference();
+ m_children.Erase(node);
}
+ node = next;
}
-
- return true;
+ else
+ node = node->GetNext();
}
}
- else
- {
- // Append
- wxRichTextObjectList::compatibility_iterator i = fragment.GetChildren().GetFirst();
- while (i)
- {
- wxRichTextParagraph* para = wxDynamicCast(i->GetData(), wxRichTextParagraph);
- wxASSERT( para != NULL );
- AppendChild(para->Clone());
-
- i = i->GetNext();
- }
+ return true;
+}
- return true;
+/// Dump to output stream for debugging
+void wxRichTextCompositeObject::Dump(wxTextOutputStream& stream)
+{
+ wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
+ {
+ wxRichTextObject* child = node->GetData();
+ child->Dump(stream);
+ node = node->GetNext();
}
}
-/// Make a copy of the fragment corresponding to the given range, putting it in 'fragment'.
-/// If there was an incomplete paragraph at the end, partialParagraph is set to true.
-bool wxRichTextParagraphLayoutBox::CopyFragment(const wxRichTextRange& range, wxRichTextParagraphLayoutBox& fragment)
+/// Get/set the object size for the given range. Returns false if the range
+/// is invalid for this object.
+bool wxRichTextCompositeObject::GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, wxRichTextDrawingContext& context, int flags, const wxPoint& position, const wxSize& parentSize, wxArrayInt* partialExtents) const
{
- wxRichTextObjectList::compatibility_iterator i = GetChildren().GetFirst();
- while (i)
- {
- wxRichTextParagraph* para = wxDynamicCast(i->GetData(), wxRichTextParagraph);
- wxASSERT( para != NULL );
+ if (!range.IsWithin(GetRange()))
+ return false;
- if (!para->GetRange().IsOutside(range))
- {
- fragment.AppendChild(para->Clone());
- }
- i = i->GetNext();
- }
+ wxSize sz;
- // Now top and tail the first and last paragraphs in our new fragment (which might be the same).
- if (!fragment.IsEmpty())
+ wxArrayInt childExtents;
+ wxArrayInt* p;
+ if (partialExtents)
+ p = & childExtents;
+ else
+ p = NULL;
+
+ wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
{
- wxRichTextRange topTailRange(range);
+ wxRichTextObject* child = node->GetData();
+ if (!child->GetRange().IsOutside(range))
+ {
+ // Floating objects have a zero size within the paragraph.
+ if (child->IsFloating() && wxRichTextBuffer::GetFloatingLayoutMode())
+ {
+ if (partialExtents)
+ {
+ int lastSize;
+ if (partialExtents->GetCount() > 0)
+ lastSize = (*partialExtents)[partialExtents->GetCount()-1];
+ else
+ lastSize = 0;
- wxRichTextParagraph* firstPara = wxDynamicCast(fragment.GetChildren().GetFirst()->GetData(), wxRichTextParagraph);
- wxASSERT( firstPara != NULL );
+ partialExtents->Add(0 /* zero size */ + lastSize);
+ }
+ }
+ else
+ {
+ wxSize childSize;
- // Chop off the start of the paragraph
- if (topTailRange.GetStart() > firstPara->GetRange().GetStart())
- {
- wxRichTextRange r(firstPara->GetRange().GetStart(), topTailRange.GetStart()-1);
- firstPara->DeleteRange(r);
+ wxRichTextRange rangeToUse = range;
+ rangeToUse.LimitTo(child->GetRange());
+ if (child->IsTopLevel())
+ rangeToUse = child->GetOwnRange();
- // Make sure the numbering is correct
- long end;
- fragment.CalculateRange(firstPara->GetRange().GetStart(), end);
+ int childDescent = 0;
- // Now, we've deleted some positions, so adjust the range
- // accordingly.
- topTailRange.SetEnd(topTailRange.GetEnd() - r.GetLength());
- }
+ // At present wxRICHTEXT_HEIGHT_ONLY is only fast if we're already cached the size,
+ // but it's only going to be used after caching has taken place.
+ if ((flags & wxRICHTEXT_HEIGHT_ONLY) && child->GetCachedSize().y != 0)
+ {
+ childDescent = child->GetDescent();
+ childSize = child->GetCachedSize();
- wxRichTextParagraph* lastPara = wxDynamicCast(fragment.GetChildren().GetLast()->GetData(), wxRichTextParagraph);
- wxASSERT( lastPara != NULL );
+ sz.y = wxMax(sz.y, childSize.y);
+ sz.x += childSize.x;
+ descent = wxMax(descent, childDescent);
+ }
+ else if (child->GetRangeSize(rangeToUse, childSize, childDescent, dc, context, flags, wxPoint(position.x + sz.x, position.y), parentSize, p))
+ {
+ sz.y = wxMax(sz.y, childSize.y);
+ sz.x += childSize.x;
+ descent = wxMax(descent, childDescent);
- if (topTailRange.GetEnd() < (lastPara->GetRange().GetEnd()-1))
- {
- wxRichTextRange r(topTailRange.GetEnd()+1, lastPara->GetRange().GetEnd()-1); /* -1 since actual text ends 1 position before end of para marker */
- lastPara->DeleteRange(r);
+ if ((flags & wxRICHTEXT_CACHE_SIZE) && (rangeToUse == child->GetRange() || child->IsTopLevel()))
+ {
+ child->SetCachedSize(childSize);
+ child->SetDescent(childDescent);
+ }
- // Make sure the numbering is correct
- long end;
- fragment.CalculateRange(firstPara->GetRange().GetStart(), end);
+ if (partialExtents)
+ {
+ int lastSize;
+ if (partialExtents->GetCount() > 0)
+ lastSize = (*partialExtents)[partialExtents->GetCount()-1];
+ else
+ lastSize = 0;
- // We only have part of a paragraph at the end
- fragment.SetPartialParagraph(true);
- }
- else
- {
- if (topTailRange.GetEnd() == (lastPara->GetRange().GetEnd() - 1))
- // We have a partial paragraph (don't save last new paragraph marker)
- fragment.SetPartialParagraph(true);
- else
- // We have a complete paragraph
- fragment.SetPartialParagraph(false);
+ size_t i;
+ for (i = 0; i < childExtents.GetCount(); i++)
+ {
+ partialExtents->Add(childExtents[i] + lastSize);
+ }
+ }
+ }
+ }
+
+ if (p)
+ p->Clear();
}
- }
+ node = node->GetNext();
+ }
+ size = sz;
return true;
}
-/// Given a position, get the number of the visible line (potentially many to a paragraph),
-/// starting from zero at the start of the buffer.
-long wxRichTextParagraphLayoutBox::GetVisibleLineNumber(long pos, bool caretPosition, bool startOfLine) const
+// Invalidate the buffer. With no argument, invalidates whole buffer.
+void wxRichTextCompositeObject::Invalidate(const wxRichTextRange& invalidRange)
{
- if (caretPosition)
- pos ++;
-
- int lineCount = 0;
+ wxRichTextObject::Invalidate(invalidRange);
wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
while (node)
{
- wxRichTextParagraph* child = wxDynamicCast(node->GetData(), wxRichTextParagraph);
- wxASSERT( child != NULL );
-
- if (child->GetRange().Contains(pos))
+ wxRichTextObject* child = node->GetData();
+ if (invalidRange != wxRICHTEXT_ALL && invalidRange != wxRICHTEXT_NONE && child->GetRange().IsOutside(invalidRange))
{
- wxRichTextLineList::compatibility_iterator node2 = child->GetLines().GetFirst();
- while (node2)
+ // Skip
+ }
+ else if (child->IsTopLevel())
+ {
+ if (wxRichTextBuffer::GetFloatingLayoutMode() && child->IsFloating() && GetBuffer()->GetFloatCollector() && GetBuffer()->GetFloatCollector()->HasFloat(child))
{
- wxRichTextLine* line = node2->GetData();
- wxRichTextRange lineRange = line->GetAbsoluteRange();
-
- if (lineRange.Contains(pos))
- {
- // If the caret is displayed at the end of the previous wrapped line,
- // we want to return the line it's _displayed_ at (not the actual line
- // containing the position).
- if (lineRange.GetStart() == pos && !startOfLine && child->GetRange().GetStart() != pos)
- return lineCount - 1;
- else
- return lineCount;
- }
-
- lineCount ++;
-
- node2 = node2->GetNext();
+ // Don't invalidate subhierarchy if we've already been laid out
+ }
+ else
+ {
+ if (invalidRange == wxRICHTEXT_NONE)
+ child->Invalidate(wxRICHTEXT_NONE);
+ else
+ child->Invalidate(wxRICHTEXT_ALL); // All children must be invalidated if within parent range
}
- // If we didn't find it in the lines, it must be
- // the last position of the paragraph. So return the last line.
- return lineCount-1;
}
else
- lineCount += child->GetLines().GetCount();
-
+ child->Invalidate(invalidRange);
node = node->GetNext();
}
-
- // Not found
- return -1;
}
-/// Given a line number, get the corresponding wxRichTextLine object.
-wxRichTextLine* wxRichTextParagraphLayoutBox::GetLineForVisibleLineNumber(long lineNumber) const
+// Move the object recursively, by adding the offset from old to new
+void wxRichTextCompositeObject::Move(const wxPoint& pt)
{
- int lineCount = 0;
+ wxPoint oldPos = GetPosition();
+ SetPosition(pt);
+ wxPoint offset = pt - oldPos;
wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
while (node)
{
- wxRichTextParagraph* child = wxDynamicCast(node->GetData(), wxRichTextParagraph);
- wxASSERT(child != NULL);
+ wxRichTextObject* child = node->GetData();
+ wxPoint childPos = child->GetPosition() + offset;
+ child->Move(childPos);
+ node = node->GetNext();
+ }
+}
- if (lineNumber < (int) (child->GetLines().GetCount() + lineCount))
- {
- wxRichTextLineList::compatibility_iterator node2 = child->GetLines().GetFirst();
- while (node2)
- {
- wxRichTextLine* line = node2->GetData();
- if (lineCount == lineNumber)
- return line;
+/*!
+ * wxRichTextParagraphLayoutBox
+ * This box knows how to lay out paragraphs.
+ */
- lineCount ++;
+IMPLEMENT_DYNAMIC_CLASS(wxRichTextParagraphLayoutBox, wxRichTextCompositeObject)
- node2 = node2->GetNext();
- }
- }
- else
- lineCount += child->GetLines().GetCount();
+wxRichTextParagraphLayoutBox::wxRichTextParagraphLayoutBox(wxRichTextObject* parent):
+ wxRichTextCompositeObject(parent)
+{
+ Init();
+}
- node = node->GetNext();
+wxRichTextParagraphLayoutBox::~wxRichTextParagraphLayoutBox()
+{
+ if (m_floatCollector)
+ {
+ delete m_floatCollector;
+ m_floatCollector = NULL;
}
-
- // Didn't find it
- return NULL;
}
-/// Delete range from layout.
-bool wxRichTextParagraphLayoutBox::DeleteRange(const wxRichTextRange& range)
+/// Initialize the object.
+void wxRichTextParagraphLayoutBox::Init()
{
- wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
+ m_ctrl = NULL;
- while (node)
- {
- wxRichTextParagraph* obj = wxDynamicCast(node->GetData(), wxRichTextParagraph);
- wxASSERT (obj != NULL);
+ // For now, assume is the only box and has no initial size.
+ m_range = wxRichTextRange(0, -1);
+ m_ownRange = wxRichTextRange(0, -1);
- wxRichTextObjectList::compatibility_iterator next = node->GetNext();
+ m_invalidRange = wxRICHTEXT_ALL;
- // Delete the range in each paragraph
+ m_partialParagraph = false;
+ m_floatCollector = NULL;
+}
- if (!obj->GetRange().IsOutside(range))
- {
- // Deletes the content of this object within the given range
- obj->DeleteRange(range);
+void wxRichTextParagraphLayoutBox::Clear()
+{
+ DeleteChildren();
- // If the whole paragraph is within the range to delete,
- // delete the whole thing.
- if (range.GetStart() <= obj->GetRange().GetStart() && range.GetEnd() >= obj->GetRange().GetEnd())
- {
- // Delete the whole object
- RemoveChild(obj, true);
- }
- // If the range includes the paragraph end, we need to join this
- // and the next paragraph.
- else if (range.Contains(obj->GetRange().GetEnd()))
- {
- // We need to move the objects from the next paragraph
- // to this paragraph
+ if (m_floatCollector)
+ delete m_floatCollector;
+ m_floatCollector = NULL;
+ m_partialParagraph = false;
+}
- if (next)
- {
- wxRichTextParagraph* nextParagraph = wxDynamicCast(next->GetData(), wxRichTextParagraph);
- next = next->GetNext();
- if (nextParagraph)
- {
- // Delete the stuff we need to delete
- nextParagraph->DeleteRange(range);
+/// Copy
+void wxRichTextParagraphLayoutBox::Copy(const wxRichTextParagraphLayoutBox& obj)
+{
+ Clear();
- // Move the objects to the previous para
- wxRichTextObjectList::compatibility_iterator node1 = nextParagraph->GetChildren().GetFirst();
-
- while (node1)
- {
- wxRichTextObject* obj1 = node1->GetData();
-
- // If the object is empty, optimise it out
- if (obj1->IsEmpty())
- {
- delete obj1;
- }
- else
- {
- obj->AppendChild(obj1);
- }
-
- wxRichTextObjectList::compatibility_iterator next1 = node1->GetNext();
- nextParagraph->GetChildren().Erase(node1);
-
- node1 = next1;
- }
-
- // Delete the paragraph
- RemoveChild(nextParagraph, true);
-
- }
- }
-
- }
- }
-
- node = next;
- }
+ wxRichTextCompositeObject::Copy(obj);
- return true;
+ m_partialParagraph = obj.m_partialParagraph;
+ m_defaultAttributes = obj.m_defaultAttributes;
}
-/// Get any text in this object for the given range
-wxString wxRichTextParagraphLayoutBox::GetTextForRange(const wxRichTextRange& range) const
+// Gather information about floating objects; only gather floats for those paragraphs that
+// will not be formatted again due to optimization, after which floats will be gathered per-paragraph
+// during layout.
+bool wxRichTextParagraphLayoutBox::UpdateFloatingObjects(const wxRect& availableRect, wxRichTextObject* untilObj)
{
- int lineCount = 0;
- wxString text;
+ if (m_floatCollector != NULL)
+ delete m_floatCollector;
+ m_floatCollector = new wxRichTextFloatCollector(availableRect);
wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
- while (node)
+ // Only gather floats up to the point we'll start formatting paragraphs.
+ while (untilObj && node && node->GetData() != untilObj)
{
- wxRichTextObject* child = node->GetData();
- if (!child->GetRange().IsOutside(range))
- {
- wxRichTextRange childRange = range;
- childRange.LimitTo(child->GetRange());
-
- wxString childText = child->GetTextForRange(childRange);
-
- text += childText;
-
- if ((childRange.GetEnd() == child->GetRange().GetEnd()) && node->GetNext())
- text += wxT("\n");
-
- lineCount ++;
- }
+ wxRichTextParagraph* child = wxDynamicCast(node->GetData(), wxRichTextParagraph);
+ wxASSERT (child != NULL);
+ if (child)
+ m_floatCollector->CollectFloat(child);
node = node->GetNext();
}
- return text;
+ return true;
}
-/// Get all the text
-wxString wxRichTextParagraphLayoutBox::GetText() const
+// Returns the style sheet associated with the overall buffer.
+wxRichTextStyleSheet* wxRichTextParagraphLayoutBox::GetStyleSheet() const
{
- return GetTextForRange(GetRange());
+ return GetBuffer() ? GetBuffer()->GetStyleSheet() : (wxRichTextStyleSheet*) NULL;
}
-/// Get the paragraph by number
-wxRichTextParagraph* wxRichTextParagraphLayoutBox::GetParagraphAtLine(long paragraphNumber) const
+// Get the number of floating objects at this level
+int wxRichTextParagraphLayoutBox::GetFloatingObjectCount() const
{
- if ((size_t) paragraphNumber >= GetChildCount())
- return NULL;
-
- return (wxRichTextParagraph*) GetChild((size_t) paragraphNumber);
+ if (m_floatCollector)
+ return m_floatCollector->GetFloatingObjectCount();
+ else
+ return 0;
}
-/// Get the length of the paragraph
-int wxRichTextParagraphLayoutBox::GetParagraphLength(long paragraphNumber) const
+// Get a list of floating objects
+bool wxRichTextParagraphLayoutBox::GetFloatingObjects(wxRichTextObjectList& objects) const
{
- wxRichTextParagraph* para = GetParagraphAtLine(paragraphNumber);
- if (para)
- return para->GetRange().GetLength() - 1; // don't include newline
+ if (m_floatCollector)
+ {
+ return m_floatCollector->GetFloatingObjects(objects);
+ }
else
- return 0;
+ return false;
}
-/// Get the text of the paragraph
-wxString wxRichTextParagraphLayoutBox::GetParagraphText(long paragraphNumber) const
+// Calculate ranges
+void wxRichTextParagraphLayoutBox::UpdateRanges()
{
- wxRichTextParagraph* para = GetParagraphAtLine(paragraphNumber);
- if (para)
- return para->GetTextForRange(para->GetRange());
- else
- return wxEmptyString;
+ long start = 0;
+ if (GetParent())
+ start = GetRange().GetStart();
+ long end;
+ CalculateRange(start, end);
}
-/// Convert zero-based line column and paragraph number to a position.
-long wxRichTextParagraphLayoutBox::XYToPosition(long x, long y) const
+// HitTest
+int wxRichTextParagraphLayoutBox::HitTest(wxDC& dc, wxRichTextDrawingContext& context, const wxPoint& pt, long& textPosition, wxRichTextObject** obj, wxRichTextObject** contextObj, int flags)
{
- wxRichTextParagraph* para = GetParagraphAtLine(y);
- if (para)
+ if (!IsShown())
+ return wxRICHTEXT_HITTEST_NONE;
+
+ int ret = wxRICHTEXT_HITTEST_NONE;
+ if (wxRichTextBuffer::GetFloatingLayoutMode() && m_floatCollector && (flags & wxRICHTEXT_HITTEST_NO_FLOATING_OBJECTS) == 0)
+ ret = m_floatCollector->HitTest(dc, context, pt, textPosition, obj, flags);
+
+ if (ret == wxRICHTEXT_HITTEST_NONE)
+ return wxRichTextCompositeObject::HitTest(dc, context, pt, textPosition, obj, contextObj, flags);
+ else
{
- return para->GetRange().GetStart() + x;
+ *contextObj = this;
+ return ret;
}
- else
- return -1;
}
-/// Convert zero-based position to line column and paragraph number
-bool wxRichTextParagraphLayoutBox::PositionToXY(long pos, long* x, long* y) const
+/// Draw the floating objects
+void wxRichTextParagraphLayoutBox::DrawFloats(wxDC& dc, wxRichTextDrawingContext& context, const wxRichTextRange& range, const wxRichTextSelection& selection, const wxRect& rect, int descent, int style)
{
- wxRichTextParagraph* para = GetParagraphAtPosition(pos);
- if (para)
- {
- int count = 0;
- wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
- while (node)
- {
- wxRichTextObject* child = node->GetData();
- if (child == para)
- break;
- count ++;
- node = node->GetNext();
- }
+ if (wxRichTextBuffer::GetFloatingLayoutMode() && m_floatCollector)
+ m_floatCollector->Draw(dc, context, range, selection, rect, descent, style);
+}
- *y = count;
- *x = pos - para->GetRange().GetStart();
+void wxRichTextParagraphLayoutBox::MoveAnchoredObjectToParagraph(wxRichTextParagraph* from, wxRichTextParagraph* to, wxRichTextObject* obj)
+{
+ if (from == to)
+ return;
- return true;
- }
- else
- return false;
+ from->RemoveChild(obj);
+ to->AppendChild(obj);
}
-/// Get the leaf object in a paragraph at this position.
-/// Given a line number, get the corresponding wxRichTextLine object.
-wxRichTextObject* wxRichTextParagraphLayoutBox::GetLeafObjectAtPosition(long position) const
+/// Draw the item
+bool wxRichTextParagraphLayoutBox::Draw(wxDC& dc, wxRichTextDrawingContext& context, const wxRichTextRange& range, const wxRichTextSelection& selection, const wxRect& rect, int descent, int style)
{
- wxRichTextParagraph* para = GetParagraphAtPosition(position);
- if (para)
+ if (!IsShown())
+ return true;
+
+ wxRect thisRect(GetPosition(), GetCachedSize());
+
+ wxRichTextAttr attr(GetAttributes());
+ context.ApplyVirtualAttributes(attr, this);
+
+ int flags = style;
+ if (selection.IsValid() && GetParentContainer() != this && selection.GetContainer() == this && selection.WithinSelection(GetRange().GetStart(), GetParentContainer()))
+ flags |= wxRICHTEXT_DRAW_SELECTED;
+
+ // Don't draw guidelines if at top level
+ int theseFlags = flags;
+ if (!GetParent())
+ theseFlags &= ~wxRICHTEXT_DRAW_GUIDELINES;
+ DrawBoxAttributes(dc, GetBuffer(), attr, thisRect, theseFlags, this);
+
+ if (wxRichTextBuffer::GetFloatingLayoutMode())
+ DrawFloats(dc, context, range, selection, rect, descent, style);
+
+ wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
{
- wxRichTextObjectList::compatibility_iterator node = para->GetChildren().GetFirst();
+ wxRichTextObject* child = node->GetData();
- while (node)
+ if (child && !child->GetRange().IsOutside(range))
{
- wxRichTextObject* child = node->GetData();
- if (child->GetRange().Contains(position))
- return child;
+ wxRect childRect(child->GetPosition(), child->GetCachedSize());
+ wxRichTextRange childRange = range;
+ if (child->IsTopLevel())
+ {
+ childRange = child->GetOwnRange();
+ }
- node = node->GetNext();
+ if (((style & wxRICHTEXT_DRAW_IGNORE_CACHE) == 0) && childRect.GetTop() > rect.GetBottom())
+ {
+ // Stop drawing
+ break;
+ }
+ else if (((style & wxRICHTEXT_DRAW_IGNORE_CACHE) == 0) && childRect.GetBottom() < rect.GetTop())
+ {
+ // Skip
+ }
+ else
+ child->Draw(dc, context, childRange, selection, rect, descent, style);
}
- if (position == para->GetRange().GetEnd() && para->GetChildCount() > 0)
- return para->GetChildren().GetLast()->GetData();
+
+ node = node->GetNext();
}
- return NULL;
+ return true;
}
-/// Set character or paragraph text attributes: apply character styles only to immediate text nodes
-bool wxRichTextParagraphLayoutBox::SetStyle(const wxRichTextRange& range, const wxTextAttr& style, int flags)
+/// Lay the item out
+bool wxRichTextParagraphLayoutBox::Layout(wxDC& dc, wxRichTextDrawingContext& context, const wxRect& rect, const wxRect& parentRect, int style)
{
- bool characterStyle = false;
- bool paragraphStyle = false;
+ SetPosition(rect.GetPosition());
- if (style.IsCharacterStyle())
- characterStyle = true;
- if (style.IsParagraphStyle())
- paragraphStyle = true;
+ if (!IsShown())
+ return true;
- bool withUndo = ((flags & wxRICHTEXT_SETSTYLE_WITH_UNDO) != 0);
- bool applyMinimal = ((flags & wxRICHTEXT_SETSTYLE_OPTIMIZE) != 0);
- bool parasOnly = ((flags & wxRICHTEXT_SETSTYLE_PARAGRAPHS_ONLY) != 0);
- bool charactersOnly = ((flags & wxRICHTEXT_SETSTYLE_CHARACTERS_ONLY) != 0);
- bool resetExistingStyle = ((flags & wxRICHTEXT_SETSTYLE_RESET) != 0);
- bool removeStyle = ((flags & wxRICHTEXT_SETSTYLE_REMOVE) != 0);
+ wxRect availableSpace;
+ bool formatRect = (style & wxRICHTEXT_LAYOUT_SPECIFIED_RECT) == wxRICHTEXT_LAYOUT_SPECIFIED_RECT;
- // Apply paragraph style first, if any
- wxTextAttr wholeStyle(style);
+ wxRichTextAttr attr(GetAttributes());
+ context.ApplyVirtualAttributes(attr, this);
- if (!removeStyle && wholeStyle.HasParagraphStyleName() && GetStyleSheet())
+ // If only laying out a specific area, the passed rect has a different meaning:
+ // the visible part of the buffer. This is used in wxRichTextCtrl::OnSize,
+ // so that during a size, only the visible part will be relaid out, or
+ // it would take too long causing flicker. As an approximation, we assume that
+ // everything up to the start of the visible area is laid out correctly.
+ if (formatRect)
{
- wxRichTextParagraphStyleDefinition* def = GetStyleSheet()->FindParagraphStyle(wholeStyle.GetParagraphStyleName());
- if (def)
- wxRichTextApplyStyle(wholeStyle, def->GetStyleMergedWithBase(GetStyleSheet()));
- }
+ wxRect rect2(0, 0, rect.width, rect.height);
+ availableSpace = GetAvailableContentArea(dc, context, rect2);
- // Limit the attributes to be set to the content to only character attributes.
- wxTextAttr characterAttributes(wholeStyle);
- characterAttributes.SetFlags(characterAttributes.GetFlags() & (wxTEXT_ATTR_CHARACTER));
+ // Invalidate the part of the buffer from the first visible line
+ // to the end. If other parts of the buffer are currently invalid,
+ // then they too will be taken into account if they are above
+ // the visible point.
+ long startPos = 0;
+ wxRichTextLine* line = GetLineAtYPosition(rect.y);
+ if (line)
+ startPos = line->GetAbsoluteRange().GetStart();
- if (!removeStyle && characterAttributes.HasCharacterStyleName() && GetStyleSheet())
+ Invalidate(wxRichTextRange(startPos, GetOwnRange().GetEnd()));
+ }
+ else
{
- wxRichTextCharacterStyleDefinition* def = GetStyleSheet()->FindCharacterStyle(characterAttributes.GetCharacterStyleName());
- if (def)
- wxRichTextApplyStyle(characterAttributes, def->GetStyleMergedWithBase(GetStyleSheet()));
+ availableSpace = GetAvailableContentArea(dc, context, rect);
}
- // If we are associated with a control, make undoable; otherwise, apply immediately
- // to the data.
+ // Fix the width if we're at the top level
+ if (!GetParent())
+ attr.GetTextBoxAttr().GetWidth().SetValue(rect.GetWidth(), wxTEXT_ATTR_UNITS_PIXELS);
- bool haveControl = (GetRichTextCtrl() != NULL);
+ int leftMargin, rightMargin, topMargin, bottomMargin;
+ wxRichTextObject::GetTotalMargin(dc, GetBuffer(), attr, leftMargin, rightMargin,
+ topMargin, bottomMargin);
- wxRichTextAction* action = NULL;
+ int maxWidth = 0;
+ int maxHeight = 0;
- if (haveControl && withUndo)
- {
- action = new wxRichTextAction(NULL, _("Change Style"), wxRICHTEXT_CHANGE_STYLE, & GetRichTextCtrl()->GetBuffer(), GetRichTextCtrl());
- action->SetRange(range);
- action->SetPosition(GetRichTextCtrl()->GetCaretPosition());
- }
+ // The maximum paragraph maximum width, so we can set the overall maximum width for this object
+ int maxMaxWidth = 0;
+
+ // The maximum paragraph minimum width, so we can set the overall minimum width for this object
+ int maxMinWidth = 0;
+
+ // If we have vertical alignment, we must recalculate everything.
+ bool hasVerticalAlignment = (attr.GetTextBoxAttr().HasVerticalAlignment() &&
+ (attr.GetTextBoxAttr().GetVerticalAlignment() > wxTEXT_BOX_ATTR_VERTICAL_ALIGNMENT_TOP));
wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
- while (node)
- {
- wxRichTextParagraph* para = wxDynamicCast(node->GetData(), wxRichTextParagraph);
- wxASSERT (para != NULL);
- if (para && para->GetChildCount() > 0)
- {
- // Stop searching if we're beyond the range of interest
- if (para->GetRange().GetStart() > range.GetEnd())
- break;
+ bool layoutAll = true;
- if (!para->GetRange().IsOutside(range))
- {
- // We'll be using a copy of the paragraph to make style changes,
- // not updating the buffer directly.
- wxRichTextParagraph* newPara wxDUMMY_INITIALIZE(NULL);
+ // Get invalid range, rounding to paragraph start/end.
+ wxRichTextRange invalidRange = GetInvalidRange(true);
- if (haveControl && withUndo)
- {
- newPara = new wxRichTextParagraph(*para);
- action->GetNewParagraphs().AppendChild(newPara);
+ if (invalidRange == wxRICHTEXT_NONE && !formatRect)
+ return true;
- // Also store the old ones for Undo
- action->GetOldParagraphs().AppendChild(new wxRichTextParagraph(*para));
+ if (invalidRange == wxRICHTEXT_ALL || hasVerticalAlignment)
+ layoutAll = true;
+ else // If we know what range is affected, start laying out from that point on.
+ if (invalidRange.GetStart() >= GetOwnRange().GetStart())
+ {
+ wxRichTextParagraph* firstParagraph = GetParagraphAtPosition(invalidRange.GetStart());
+ if (firstParagraph)
+ {
+ wxRichTextObjectList::compatibility_iterator firstNode = m_children.Find(firstParagraph);
+ wxRichTextObjectList::compatibility_iterator previousNode;
+ if ( firstNode )
+ previousNode = firstNode->GetPrevious();
+ if (firstNode)
+ {
+ if (previousNode)
+ {
+ wxRichTextParagraph* previousParagraph = wxDynamicCast(previousNode->GetData(), wxRichTextParagraph);
+ availableSpace.y = previousParagraph->GetPosition().y + previousParagraph->GetCachedSize().y;
}
- else
- newPara = para;
- // If we're specifying paragraphs only, then we really mean character formatting
- // to be included in the paragraph style
- if ((paragraphStyle || parasOnly) && !charactersOnly)
- {
- if (removeStyle)
- {
- // Removes the given style from the paragraph
- wxRichTextRemoveStyle(newPara->GetAttributes(), style);
- }
- else if (resetExistingStyle)
- newPara->GetAttributes() = wholeStyle;
- else
- {
- if (applyMinimal)
- {
- // Only apply attributes that will make a difference to the combined
- // style as seen on the display
- wxTextAttr combinedAttr(para->GetCombinedAttributes());
- wxRichTextApplyStyle(newPara->GetAttributes(), wholeStyle, & combinedAttr);
- }
- else
- wxRichTextApplyStyle(newPara->GetAttributes(), wholeStyle);
- }
- }
-
- // When applying paragraph styles dynamically, don't change the text objects' attributes
- // since they will computed as needed. Only apply the character styling if it's _only_
- // character styling. This policy is subject to change and might be put under user control.
-
- // Hm. we might well be applying a mix of paragraph and character styles, in which
- // case we _do_ want to apply character styles regardless of what para styles are set.
- // But if we're applying a paragraph style, which has some character attributes, but
- // we only want the paragraphs to hold this character style, then we _don't_ want to
- // apply the character style. So we need to be able to choose.
-
- // if (!paragraphStyle && characterStyle && range.GetStart() != newPara->GetRange().GetEnd())
- if (!parasOnly && characterStyle && range.GetStart() != newPara->GetRange().GetEnd())
- {
- wxRichTextRange childRange(range);
- childRange.LimitTo(newPara->GetRange());
-
- // Find the starting position and if necessary split it so
- // we can start applying a different style.
- // TODO: check that the style actually changes or is different
- // from style outside of range
- wxRichTextObject* firstObject wxDUMMY_INITIALIZE(NULL);
- wxRichTextObject* lastObject wxDUMMY_INITIALIZE(NULL);
+ // Now we're going to start iterating from the first affected paragraph.
+ node = firstNode;
- if (childRange.GetStart() == newPara->GetRange().GetStart())
- firstObject = newPara->GetChildren().GetFirst()->GetData();
- else
- firstObject = newPara->SplitAt(range.GetStart());
+ layoutAll = false;
+ }
+ }
+ }
- // Increment by 1 because we're apply the style one _after_ the split point
- long splitPoint = childRange.GetEnd();
- if (splitPoint != newPara->GetRange().GetEnd())
- splitPoint ++;
+ // Gather information about only those floating objects that will not be formatted,
+ // after which floats will be gathered per-paragraph during layout.
+ if (wxRichTextBuffer::GetFloatingLayoutMode())
+ UpdateFloatingObjects(availableSpace, node ? node->GetData() : (wxRichTextObject*) NULL);
- // Find last object
- if (splitPoint == newPara->GetRange().GetEnd() || splitPoint == (newPara->GetRange().GetEnd() - 1))
- lastObject = newPara->GetChildren().GetLast()->GetData();
- else
- // lastObject is set as a side-effect of splitting. It's
- // returned as the object before the new object.
- (void) newPara->SplitAt(splitPoint, & lastObject);
+ // A way to force speedy rest-of-buffer layout (the 'else' below)
+ bool forceQuickLayout = false;
- wxASSERT(firstObject != NULL);
- wxASSERT(lastObject != NULL);
+ // First get the size of the paragraphs we won't be laying out
+ wxRichTextObjectList::compatibility_iterator n = m_children.GetFirst();
+ while (n && n != node)
+ {
+ wxRichTextParagraph* child = wxDynamicCast(n->GetData(), wxRichTextParagraph);
+ if (child)
+ {
+ maxWidth = wxMax(maxWidth, child->GetCachedSize().x);
+ maxMinWidth = wxMax(maxMinWidth, child->GetMinSize().x);
+ maxMaxWidth = wxMax(maxMaxWidth, child->GetMaxSize().x);
+ }
+ n = n->GetNext();
+ }
- if (!firstObject || !lastObject)
- continue;
+ while (node)
+ {
+ // Assume this box only contains paragraphs
- wxRichTextObjectList::compatibility_iterator firstNode = newPara->GetChildren().Find(firstObject);
- wxRichTextObjectList::compatibility_iterator lastNode = newPara->GetChildren().Find(lastObject);
+ wxRichTextParagraph* child = wxDynamicCast(node->GetData(), wxRichTextParagraph);
+ // Unsure if this is needed
+ // wxCHECK_MSG( child, false, wxT("Unknown object in layout") );
- wxASSERT(firstNode);
- wxASSERT(lastNode);
+ if (child && child->IsShown())
+ {
+ // TODO: what if the child hasn't been laid out (e.g. involved in Undo) but still has 'old' lines
+ if ( !forceQuickLayout &&
+ (layoutAll ||
+ child->GetLines().IsEmpty() ||
+ !child->GetRange().IsOutside(invalidRange)) )
+ {
+ // Lays out the object first with a given amount of space, and then if no width was specified in attr,
+ // lays out the object again using the minimum size
+ child->LayoutToBestSize(dc, context, GetBuffer(),
+ attr, child->GetAttributes(), availableSpace, rect, style&~wxRICHTEXT_LAYOUT_SPECIFIED_RECT);
+
+ // Layout must set the cached size
+ availableSpace.y += child->GetCachedSize().y;
+ maxWidth = wxMax(maxWidth, child->GetCachedSize().x);
+ maxMinWidth = wxMax(maxMinWidth, child->GetMinSize().x);
+ maxMaxWidth = wxMax(maxMaxWidth, child->GetMaxSize().x);
+
+ // If we're just formatting the visible part of the buffer,
+ // and we're now past the bottom of the window, and we don't have any
+ // floating objects (since they may cause wrapping to change for the rest of the
+ // the buffer), start quick layout.
+ if (!hasVerticalAlignment && formatRect && child->GetPosition().y > rect.GetBottom() && GetFloatingObjectCount() == 0)
+ forceQuickLayout = true;
+ }
+ else
+ {
+ // We're outside the immediately affected range, so now let's just
+ // move everything up or down. This assumes that all the children have previously
+ // been laid out and have wrapped line lists associated with them.
+ // TODO: check all paragraphs before the affected range.
- wxRichTextObjectList::compatibility_iterator node2 = firstNode;
+ int inc = availableSpace.y - child->GetPosition().y;
- while (node2)
+ while (node)
+ {
+ wxRichTextParagraph* child = wxDynamicCast(node->GetData(), wxRichTextParagraph);
+ if (child)
{
- wxRichTextObject* child = node2->GetData();
-
- if (removeStyle)
+ if (child->GetLines().GetCount() == 0)
{
- // Removes the given style from the paragraph
- wxRichTextRemoveStyle(child->GetAttributes(), style);
+ // Lays out the object first with a given amount of space, and then if no width was specified in attr,
+ // lays out the object again using the minimum size
+ child->LayoutToBestSize(dc, context, GetBuffer(),
+ attr, child->GetAttributes(), availableSpace, rect, style&~wxRICHTEXT_LAYOUT_SPECIFIED_RECT);
+
+ //child->Layout(dc, availableChildRect, style);
}
- else if (resetExistingStyle)
- child->GetAttributes() = characterAttributes;
else
- {
- if (applyMinimal)
- {
- // Only apply attributes that will make a difference to the combined
- // style as seen on the display
- wxTextAttr combinedAttr(newPara->GetCombinedAttributes(child->GetAttributes()));
- wxRichTextApplyStyle(child->GetAttributes(), characterAttributes, & combinedAttr);
- }
- else
- wxRichTextApplyStyle(child->GetAttributes(), characterAttributes);
- }
-
- if (node2 == lastNode)
- break;
+ child->Move(wxPoint(child->GetPosition().x, child->GetPosition().y + inc));
- node2 = node2->GetNext();
+ availableSpace.y += child->GetCachedSize().y;
+ maxWidth = wxMax(maxWidth, child->GetCachedSize().x);
+ maxMinWidth = wxMax(maxMinWidth, child->GetMinSize().x);
+ maxMaxWidth = wxMax(maxMaxWidth, child->GetMaxSize().x);
}
+
+ node = node->GetNext();
}
+ break;
}
}
node = node->GetNext();
}
- // Do action, or delay it until end of batch.
- if (haveControl && withUndo)
- GetRichTextCtrl()->GetBuffer().SubmitAction(action);
-
- return true;
-}
-
-/// Get the text attributes for this position.
-bool wxRichTextParagraphLayoutBox::GetStyle(long position, wxTextAttr& style)
-{
- return DoGetStyle(position, style, true);
-}
-
-bool wxRichTextParagraphLayoutBox::GetUncombinedStyle(long position, wxTextAttr& style)
-{
- return DoGetStyle(position, style, false);
-}
-
-/// Implementation helper for GetStyle. If combineStyles is true, combine base, paragraph and
-/// context attributes.
-bool wxRichTextParagraphLayoutBox::DoGetStyle(long position, wxTextAttr& style, bool combineStyles)
-{
- wxRichTextObject* obj wxDUMMY_INITIALIZE(NULL);
+ node = m_children.GetLast();
+ if (node && node->GetData()->IsShown())
+ {
+ wxRichTextObject* child = node->GetData();
+ maxHeight = child->GetPosition().y - (GetPosition().y + topMargin) + child->GetCachedSize().y;
+ }
+ else
+ maxHeight = 0; // topMargin + bottomMargin;
- if (style.IsParagraphStyle())
+ // Check the bottom edge of any floating object
+ if (wxRichTextBuffer::GetFloatingLayoutMode() && GetFloatCollector() && GetFloatCollector()->HasFloats())
{
- obj = GetParagraphAtPosition(position);
- if (obj)
- {
- if (combineStyles)
- {
- // Start with the base style
- style = GetAttributes();
+ int bottom = GetFloatCollector()->GetLastRectBottom();
+ if (bottom > maxHeight)
+ maxHeight = bottom;
+ }
- // Apply the paragraph style
- wxRichTextApplyStyle(style, obj->GetAttributes());
- }
- else
- style = obj->GetAttributes();
+ if (attr.GetTextBoxAttr().GetSize().GetWidth().IsValid())
+ {
+ wxRect r = AdjustAvailableSpace(dc, GetBuffer(), wxRichTextAttr() /* not used */, attr, parentRect, parentRect);
+ int w = r.GetWidth();
- return true;
- }
+ // Convert external to content rect
+ w = w - leftMargin - rightMargin;
+ maxWidth = wxMax(maxWidth, w);
+ maxMaxWidth = wxMax(maxMaxWidth, w);
}
else
{
- obj = GetLeafObjectAtPosition(position);
- if (obj)
- {
- if (combineStyles)
- {
- wxRichTextParagraph* para = wxDynamicCast(obj->GetParent(), wxRichTextParagraph);
- style = para ? para->GetCombinedAttributes(obj->GetAttributes()) : obj->GetAttributes();
- }
- else
- style = obj->GetAttributes();
+ // TODO: Make sure the layout box's position reflects
+ // the position of the children, but without
+ // breaking layout of a box within a paragraph.
+ }
- return true;
- }
+ // TODO: (also in para layout) should set the
+ // object's size to an absolute one if specified,
+ // but if not specified, calculate it from content.
+
+ // We need to add back the margins etc.
+ {
+ wxRect marginRect, borderRect, contentRect, paddingRect, outlineRect;
+ contentRect = wxRect(wxPoint(0, 0), wxSize(maxWidth, maxHeight));
+ GetBoxRects(dc, GetBuffer(), attr, marginRect, borderRect, contentRect, paddingRect, outlineRect);
+ SetCachedSize(marginRect.GetSize());
}
- return false;
-}
-static bool wxHasStyle(long flags, long style)
-{
- return (flags & style) != 0;
-}
+ // The maximum size is the greatest of all maximum widths for all paragraphs.
+ {
+ wxRect marginRect, borderRect, contentRect, paddingRect, outlineRect;
+ contentRect = wxRect(wxPoint(0, 0), wxSize(maxMaxWidth, maxHeight)); // Actually max height is a lie, we can't know it
+ GetBoxRects(dc, GetBuffer(), attr, marginRect, borderRect, contentRect, paddingRect, outlineRect);
+ SetMaxSize(marginRect.GetSize());
+ }
-/// Combines 'style' with 'currentStyle' for the purpose of summarising the attributes of a range of
-/// content.
-bool wxRichTextParagraphLayoutBox::CollectStyle(wxTextAttr& currentStyle, const wxTextAttr& style, long& multipleStyleAttributes, int& multipleTextEffectAttributes)
-{
- if (style.HasFont())
+ // The minimum size is the greatest of all minimum widths for all paragraphs.
{
- if (style.HasFontSize() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_FONT_SIZE))
- {
- if (currentStyle.HasFontSize())
- {
- if (currentStyle.GetFontSize() != style.GetFontSize())
- {
- // Clash of style - mark as such
- multipleStyleAttributes |= wxTEXT_ATTR_FONT_SIZE;
- currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_FONT_SIZE);
- }
- }
- else
- {
- currentStyle.SetFontSize(style.GetFontSize());
- }
- }
+ wxRect marginRect, borderRect, contentRect, paddingRect, outlineRect;
+ contentRect = wxRect(wxPoint(0, 0), wxSize(maxMinWidth, maxHeight)); // Actually max height is a lie, we can't know it
+ GetBoxRects(dc, GetBuffer(), attr, marginRect, borderRect, contentRect, paddingRect, outlineRect);
+ SetMinSize(marginRect.GetSize());
+ }
- if (style.HasFontItalic() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_FONT_ITALIC))
+ if (attr.GetTextBoxAttr().HasVerticalAlignment() &&
+ (attr.GetTextBoxAttr().GetVerticalAlignment() > wxTEXT_BOX_ATTR_VERTICAL_ALIGNMENT_TOP))
+ {
+ int yOffset = 0;
+ int leftOverSpace = availableSpace.height - topMargin - bottomMargin - maxHeight;
+ if (leftOverSpace > 0)
{
- if (currentStyle.HasFontItalic())
+ if (attr.GetTextBoxAttr().GetVerticalAlignment() == wxTEXT_BOX_ATTR_VERTICAL_ALIGNMENT_CENTRE)
{
- if (currentStyle.GetFontStyle() != style.GetFontStyle())
- {
- // Clash of style - mark as such
- multipleStyleAttributes |= wxTEXT_ATTR_FONT_ITALIC;
- currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_FONT_ITALIC);
- }
+ yOffset = (leftOverSpace/2);
}
- else
+ else if (attr.GetTextBoxAttr().GetVerticalAlignment() == wxTEXT_BOX_ATTR_VERTICAL_ALIGNMENT_BOTTOM)
{
- currentStyle.SetFontStyle(style.GetFontStyle());
+ yOffset = leftOverSpace;
}
}
- if (style.HasFontWeight() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_FONT_WEIGHT))
+ // Move all the children to vertically align the content
+ // This doesn't take into account floating objects, unfortunately.
+ if (yOffset != 0)
{
- if (currentStyle.HasFontWeight())
- {
- if (currentStyle.GetFontWeight() != style.GetFontWeight())
- {
- // Clash of style - mark as such
- multipleStyleAttributes |= wxTEXT_ATTR_FONT_WEIGHT;
- currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_FONT_WEIGHT);
- }
- }
- else
+ wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
{
- currentStyle.SetFontWeight(style.GetFontWeight());
+ wxRichTextParagraph* child = wxDynamicCast(node->GetData(), wxRichTextParagraph);
+ if (child)
+ child->Move(wxPoint(child->GetPosition().x, child->GetPosition().y + yOffset));
+
+ node = node->GetNext();
}
}
+ }
- if (style.HasFontFaceName() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_FONT_FACE))
- {
- if (currentStyle.HasFontFaceName())
- {
- wxString faceName1(currentStyle.GetFontFaceName());
- wxString faceName2(style.GetFontFaceName());
+ m_invalidRange = wxRICHTEXT_NONE;
- if (faceName1 != faceName2)
- {
- // Clash of style - mark as such
- multipleStyleAttributes |= wxTEXT_ATTR_FONT_FACE;
- currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_FONT_FACE);
- }
- }
- else
- {
- currentStyle.SetFontFaceName(style.GetFontFaceName());
- }
- }
+ return true;
+}
- if (style.HasFontUnderlined() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_FONT_UNDERLINE))
- {
- if (currentStyle.HasFontUnderlined())
- {
- if (currentStyle.GetFontUnderlined() != style.GetFontUnderlined())
- {
- // Clash of style - mark as such
- multipleStyleAttributes |= wxTEXT_ATTR_FONT_UNDERLINE;
- currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_FONT_UNDERLINE);
- }
- }
- else
- {
- currentStyle.SetFontUnderlined(style.GetFontUnderlined());
- }
- }
- }
+/// Get/set the size for the given range.
+bool wxRichTextParagraphLayoutBox::GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, wxRichTextDrawingContext& context, int flags, const wxPoint& position, const wxSize& parentSize, wxArrayInt* WXUNUSED(partialExtents)) const
+{
+ wxSize sz;
- if (style.HasTextColour() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_TEXT_COLOUR))
+ wxRichTextObjectList::compatibility_iterator startPara = wxRichTextObjectList::compatibility_iterator();
+ wxRichTextObjectList::compatibility_iterator endPara = wxRichTextObjectList::compatibility_iterator();
+
+ // First find the first paragraph whose starting position is within the range.
+ wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
{
- if (currentStyle.HasTextColour())
+ // child is a paragraph
+ wxRichTextObject* child = node->GetData();
+ const wxRichTextRange& r = child->GetRange();
+
+ if (r.GetStart() <= range.GetStart() && r.GetEnd() >= range.GetStart())
{
- if (currentStyle.GetTextColour() != style.GetTextColour())
- {
- // Clash of style - mark as such
- multipleStyleAttributes |= wxTEXT_ATTR_TEXT_COLOUR;
- currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_TEXT_COLOUR);
- }
+ startPara = node;
+ break;
}
- else
- currentStyle.SetTextColour(style.GetTextColour());
+
+ node = node->GetNext();
}
- if (style.HasBackgroundColour() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_BACKGROUND_COLOUR))
+ // Next find the last paragraph containing part of the range
+ node = m_children.GetFirst();
+ while (node)
{
- if (currentStyle.HasBackgroundColour())
+ // child is a paragraph
+ wxRichTextObject* child = node->GetData();
+ const wxRichTextRange& r = child->GetRange();
+
+ if (r.GetStart() <= range.GetEnd() && r.GetEnd() >= range.GetEnd())
{
- if (currentStyle.GetBackgroundColour() != style.GetBackgroundColour())
- {
- // Clash of style - mark as such
- multipleStyleAttributes |= wxTEXT_ATTR_BACKGROUND_COLOUR;
- currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_BACKGROUND_COLOUR);
- }
+ endPara = node;
+ break;
}
- else
- currentStyle.SetBackgroundColour(style.GetBackgroundColour());
- }
-
- if (style.HasAlignment() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_ALIGNMENT))
- {
- if (currentStyle.HasAlignment())
- {
- if (currentStyle.GetAlignment() != style.GetAlignment())
- {
- // Clash of style - mark as such
- multipleStyleAttributes |= wxTEXT_ATTR_ALIGNMENT;
- currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_ALIGNMENT);
- }
- }
- else
- currentStyle.SetAlignment(style.GetAlignment());
- }
-
- if (style.HasTabs() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_TABS))
- {
- if (currentStyle.HasTabs())
- {
- if (!wxRichTextTabsEq(currentStyle.GetTabs(), style.GetTabs()))
- {
- // Clash of style - mark as such
- multipleStyleAttributes |= wxTEXT_ATTR_TABS;
- currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_TABS);
- }
- }
- else
- currentStyle.SetTabs(style.GetTabs());
- }
- if (style.HasLeftIndent() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_LEFT_INDENT))
- {
- if (currentStyle.HasLeftIndent())
- {
- if (currentStyle.GetLeftIndent() != style.GetLeftIndent() || currentStyle.GetLeftSubIndent() != style.GetLeftSubIndent())
- {
- // Clash of style - mark as such
- multipleStyleAttributes |= wxTEXT_ATTR_LEFT_INDENT;
- currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_LEFT_INDENT);
- }
- }
- else
- currentStyle.SetLeftIndent(style.GetLeftIndent(), style.GetLeftSubIndent());
+ node = node->GetNext();
}
- if (style.HasRightIndent() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_RIGHT_INDENT))
- {
- if (currentStyle.HasRightIndent())
- {
- if (currentStyle.GetRightIndent() != style.GetRightIndent())
- {
- // Clash of style - mark as such
- multipleStyleAttributes |= wxTEXT_ATTR_RIGHT_INDENT;
- currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_RIGHT_INDENT);
- }
- }
- else
- currentStyle.SetRightIndent(style.GetRightIndent());
- }
+ if (!startPara || !endPara)
+ return false;
- if (style.HasParagraphSpacingAfter() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_PARA_SPACING_AFTER))
+ // Now we can add up the sizes
+ for (node = startPara; node ; node = node->GetNext())
{
- if (currentStyle.HasParagraphSpacingAfter())
- {
- if (currentStyle.GetParagraphSpacingAfter() != style.GetParagraphSpacingAfter())
- {
- // Clash of style - mark as such
- multipleStyleAttributes |= wxTEXT_ATTR_PARA_SPACING_AFTER;
- currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_PARA_SPACING_AFTER);
- }
- }
- else
- currentStyle.SetParagraphSpacingAfter(style.GetParagraphSpacingAfter());
- }
+ // child is a paragraph
+ wxRichTextObject* child = node->GetData();
+ const wxRichTextRange& childRange = child->GetRange();
+ wxRichTextRange rangeToFind = range;
+ rangeToFind.LimitTo(childRange);
- if (style.HasParagraphSpacingBefore() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_PARA_SPACING_BEFORE))
- {
- if (currentStyle.HasParagraphSpacingBefore())
- {
- if (currentStyle.GetParagraphSpacingBefore() != style.GetParagraphSpacingBefore())
- {
- // Clash of style - mark as such
- multipleStyleAttributes |= wxTEXT_ATTR_PARA_SPACING_BEFORE;
- currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_PARA_SPACING_BEFORE);
- }
- }
- else
- currentStyle.SetParagraphSpacingBefore(style.GetParagraphSpacingBefore());
- }
+ if (child->IsTopLevel())
+ rangeToFind = child->GetOwnRange();
- if (style.HasLineSpacing() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_LINE_SPACING))
- {
- if (currentStyle.HasLineSpacing())
- {
- if (currentStyle.GetLineSpacing() != style.GetLineSpacing())
- {
- // Clash of style - mark as such
- multipleStyleAttributes |= wxTEXT_ATTR_LINE_SPACING;
- currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_LINE_SPACING);
- }
- }
- else
- currentStyle.SetLineSpacing(style.GetLineSpacing());
- }
+ wxSize childSize;
- if (style.HasCharacterStyleName() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_CHARACTER_STYLE_NAME))
- {
- if (currentStyle.HasCharacterStyleName())
- {
- if (currentStyle.GetCharacterStyleName() != style.GetCharacterStyleName())
- {
- // Clash of style - mark as such
- multipleStyleAttributes |= wxTEXT_ATTR_CHARACTER_STYLE_NAME;
- currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_CHARACTER_STYLE_NAME);
- }
- }
- else
- currentStyle.SetCharacterStyleName(style.GetCharacterStyleName());
- }
+ int childDescent = 0;
+ child->GetRangeSize(rangeToFind, childSize, childDescent, dc, context, flags, position, parentSize);
- if (style.HasParagraphStyleName() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_PARAGRAPH_STYLE_NAME))
- {
- if (currentStyle.HasParagraphStyleName())
- {
- if (currentStyle.GetParagraphStyleName() != style.GetParagraphStyleName())
- {
- // Clash of style - mark as such
- multipleStyleAttributes |= wxTEXT_ATTR_PARAGRAPH_STYLE_NAME;
- currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_PARAGRAPH_STYLE_NAME);
- }
- }
- else
- currentStyle.SetParagraphStyleName(style.GetParagraphStyleName());
- }
+ descent = wxMax(childDescent, descent);
- if (style.HasListStyleName() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_LIST_STYLE_NAME))
- {
- if (currentStyle.HasListStyleName())
- {
- if (currentStyle.GetListStyleName() != style.GetListStyleName())
- {
- // Clash of style - mark as such
- multipleStyleAttributes |= wxTEXT_ATTR_LIST_STYLE_NAME;
- currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_LIST_STYLE_NAME);
- }
- }
- else
- currentStyle.SetListStyleName(style.GetListStyleName());
- }
+ sz.x = wxMax(sz.x, childSize.x);
+ sz.y += childSize.y;
- if (style.HasBulletStyle() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_BULLET_STYLE))
- {
- if (currentStyle.HasBulletStyle())
- {
- if (currentStyle.GetBulletStyle() != style.GetBulletStyle())
- {
- // Clash of style - mark as such
- multipleStyleAttributes |= wxTEXT_ATTR_BULLET_STYLE;
- currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_BULLET_STYLE);
- }
- }
- else
- currentStyle.SetBulletStyle(style.GetBulletStyle());
+ if (node == endPara)
+ break;
}
- if (style.HasBulletNumber() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_BULLET_NUMBER))
- {
- if (currentStyle.HasBulletNumber())
- {
- if (currentStyle.GetBulletNumber() != style.GetBulletNumber())
- {
- // Clash of style - mark as such
- multipleStyleAttributes |= wxTEXT_ATTR_BULLET_NUMBER;
- currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_BULLET_NUMBER);
- }
- }
- else
- currentStyle.SetBulletNumber(style.GetBulletNumber());
- }
+ size = sz;
- if (style.HasBulletText() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_BULLET_TEXT))
- {
- if (currentStyle.HasBulletText())
- {
- if (currentStyle.GetBulletText() != style.GetBulletText())
- {
- // Clash of style - mark as such
- multipleStyleAttributes |= wxTEXT_ATTR_BULLET_TEXT;
- currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_BULLET_TEXT);
- }
- }
- else
- {
- currentStyle.SetBulletText(style.GetBulletText());
- currentStyle.SetBulletFont(style.GetBulletFont());
- }
- }
+ return true;
+}
- if (style.HasBulletName() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_BULLET_NAME))
- {
- if (currentStyle.HasBulletName())
- {
- if (currentStyle.GetBulletName() != style.GetBulletName())
- {
- // Clash of style - mark as such
- multipleStyleAttributes |= wxTEXT_ATTR_BULLET_NAME;
- currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_BULLET_NAME);
- }
- }
- else
- {
- currentStyle.SetBulletName(style.GetBulletName());
- }
- }
+/// Get the paragraph at the given position
+wxRichTextParagraph* wxRichTextParagraphLayoutBox::GetParagraphAtPosition(long pos, bool caretPosition) const
+{
+ if (caretPosition)
+ pos ++;
- if (style.HasURL() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_URL))
+ // First find the first paragraph whose starting position is within the range.
+ wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
{
- if (currentStyle.HasURL())
- {
- if (currentStyle.GetURL() != style.GetURL())
- {
- // Clash of style - mark as such
- multipleStyleAttributes |= wxTEXT_ATTR_URL;
- currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_URL);
- }
- }
- else
- {
- currentStyle.SetURL(style.GetURL());
- }
- }
+ // child is a paragraph
+ wxRichTextParagraph* child = wxDynamicCast(node->GetData(), wxRichTextParagraph);
+ // wxASSERT (child != NULL);
- if (style.HasTextEffects() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_EFFECTS))
- {
- if (currentStyle.HasTextEffects())
+ if (child)
{
- // We need to find the bits in the new style that are different:
- // just look at those bits that are specified by the new style.
-
- int currentRelevantTextEffects = currentStyle.GetTextEffects() & style.GetTextEffectFlags();
- int newRelevantTextEffects = style.GetTextEffects() & style.GetTextEffectFlags();
-
- if (currentRelevantTextEffects != newRelevantTextEffects)
- {
- // Find the text effects that were different, using XOR
- int differentEffects = currentRelevantTextEffects ^ newRelevantTextEffects;
+ // Return first child in buffer if position is -1
+ // if (pos == -1)
+ // return child;
- // Clash of style - mark as such
- multipleTextEffectAttributes |= differentEffects;
- currentStyle.SetTextEffectFlags(currentStyle.GetTextEffectFlags() & ~differentEffects);
- }
- }
- else
- {
- currentStyle.SetTextEffects(style.GetTextEffects());
- currentStyle.SetTextEffectFlags(style.GetTextEffectFlags());
+ if (child->GetRange().Contains(pos))
+ return child;
}
- }
- if (style.HasOutlineLevel() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_OUTLINE_LEVEL))
- {
- if (currentStyle.HasOutlineLevel())
- {
- if (currentStyle.GetOutlineLevel() != style.GetOutlineLevel())
- {
- // Clash of style - mark as such
- multipleStyleAttributes |= wxTEXT_ATTR_OUTLINE_LEVEL;
- currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_OUTLINE_LEVEL);
- }
- }
- else
- currentStyle.SetOutlineLevel(style.GetOutlineLevel());
+ node = node->GetNext();
}
-
- return true;
+ return NULL;
}
-/// Get the combined style for a range - if any attribute is different within the range,
-/// that attribute is not present within the flags.
-/// *** Note that this is not recursive, and so assumes that content inside a paragraph is not itself
-/// nested.
-bool wxRichTextParagraphLayoutBox::GetStyleForRange(const wxRichTextRange& range, wxTextAttr& style)
+/// Get the line at the given position
+wxRichTextLine* wxRichTextParagraphLayoutBox::GetLineAtPosition(long pos, bool caretPosition) const
{
- style = wxTextAttr();
-
- // The attributes that aren't valid because of multiple styles within the range
- long multipleStyleAttributes = 0;
- int multipleTextEffectAttributes = 0;
+ if (caretPosition)
+ pos ++;
- wxRichTextObjectList::compatibility_iterator node = GetChildren().GetFirst();
+ // First find the first paragraph whose starting position is within the range.
+ wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
while (node)
{
- wxRichTextParagraph* para = (wxRichTextParagraph*) node->GetData();
- if (!(para->GetRange().GetStart() > range.GetEnd() || para->GetRange().GetEnd() < range.GetStart()))
+ wxRichTextObject* obj = (wxRichTextObject*) node->GetData();
+ if (obj->GetRange().Contains(pos))
{
- if (para->GetChildren().GetCount() == 0)
- {
- wxTextAttr paraStyle = para->GetCombinedAttributes();
+ // child is a paragraph
+ wxRichTextParagraph* child = wxDynamicCast(obj, wxRichTextParagraph);
+ // wxASSERT (child != NULL);
- CollectStyle(style, paraStyle, multipleStyleAttributes, multipleTextEffectAttributes);
- }
- else
+ if (child)
{
- wxRichTextRange paraRange(para->GetRange());
- paraRange.LimitTo(range);
-
- // First collect paragraph attributes only
- wxTextAttr paraStyle = para->GetCombinedAttributes();
- paraStyle.SetFlags(paraStyle.GetFlags() & wxTEXT_ATTR_PARAGRAPH);
- CollectStyle(style, paraStyle, multipleStyleAttributes, multipleTextEffectAttributes);
-
- wxRichTextObjectList::compatibility_iterator childNode = para->GetChildren().GetFirst();
-
- while (childNode)
+ wxRichTextLineList::compatibility_iterator node2 = child->GetLines().GetFirst();
+ while (node2)
{
- wxRichTextObject* child = childNode->GetData();
- if (!(child->GetRange().GetStart() > range.GetEnd() || child->GetRange().GetEnd() < range.GetStart()))
- {
- wxTextAttr childStyle = para->GetCombinedAttributes(child->GetAttributes());
+ wxRichTextLine* line = node2->GetData();
- // Now collect character attributes only
- childStyle.SetFlags(childStyle.GetFlags() & wxTEXT_ATTR_CHARACTER);
+ wxRichTextRange range = line->GetAbsoluteRange();
- CollectStyle(style, childStyle, multipleStyleAttributes, multipleTextEffectAttributes);
- }
+ if (range.Contains(pos) ||
- childNode = childNode->GetNext();
+ // If the position is end-of-paragraph, then return the last line of
+ // of the paragraph.
+ ((range.GetEnd() == child->GetRange().GetEnd()-1) && (pos == child->GetRange().GetEnd())))
+ return line;
+
+ node2 = node2->GetNext();
}
}
}
+
node = node->GetNext();
}
- return true;
-}
-/// Set default style
-bool wxRichTextParagraphLayoutBox::SetDefaultStyle(const wxTextAttr& style)
-{
- m_defaultAttributes = style;
- return true;
+ int lineCount = GetLineCount();
+ if (lineCount > 0)
+ return GetLineForVisibleLineNumber(lineCount-1);
+ else
+ return NULL;
}
-/// Test if this whole range has character attributes of the specified kind. If any
-/// of the attributes are different within the range, the test fails. You
-/// can use this to implement, for example, bold button updating. style must have
-/// flags indicating which attributes are of interest.
-bool wxRichTextParagraphLayoutBox::HasCharacterAttributes(const wxRichTextRange& range, const wxTextAttr& style) const
+/// Get the line at the given y pixel position, or the last line.
+wxRichTextLine* wxRichTextParagraphLayoutBox::GetLineAtYPosition(int y) const
{
- int foundCount = 0;
- int matchingCount = 0;
-
wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
while (node)
{
- wxRichTextParagraph* para = wxDynamicCast(node->GetData(), wxRichTextParagraph);
- wxASSERT (para != NULL);
+ wxRichTextParagraph* child = wxDynamicCast(node->GetData(), wxRichTextParagraph);
+ // wxASSERT (child != NULL);
- if (para)
+ if (child)
{
- // Stop searching if we're beyond the range of interest
- if (para->GetRange().GetStart() > range.GetEnd())
- return foundCount == matchingCount;
-
- if (!para->GetRange().IsOutside(range))
+ wxRichTextLineList::compatibility_iterator node2 = child->GetLines().GetFirst();
+ while (node2)
{
- wxRichTextObjectList::compatibility_iterator node2 = para->GetChildren().GetFirst();
+ wxRichTextLine* line = node2->GetData();
- while (node2)
- {
- wxRichTextObject* child = node2->GetData();
- if (!child->GetRange().IsOutside(range) && child->IsKindOf(CLASSINFO(wxRichTextPlainText)))
- {
- foundCount ++;
- wxTextAttr textAttr = para->GetCombinedAttributes(child->GetAttributes());
+ wxRect rect(line->GetRect());
- if (wxTextAttrEqPartial(textAttr, style, style.GetFlags()))
- matchingCount ++;
- }
+ if (y <= rect.GetBottom())
+ return line;
- node2 = node2->GetNext();
- }
+ node2 = node2->GetNext();
}
}
node = node->GetNext();
}
- return foundCount == matchingCount;
+ // Return last line
+ int lineCount = GetLineCount();
+ if (lineCount > 0)
+ return GetLineForVisibleLineNumber(lineCount-1);
+ else
+ return NULL;
}
-/// Test if this whole range has paragraph attributes of the specified kind. If any
-/// of the attributes are different within the range, the test fails. You
-/// can use this to implement, for example, centering button updating. style must have
-/// flags indicating which attributes are of interest.
-bool wxRichTextParagraphLayoutBox::HasParagraphAttributes(const wxRichTextRange& range, const wxTextAttr& style) const
+/// Get the number of visible lines
+int wxRichTextParagraphLayoutBox::GetLineCount() const
{
- int foundCount = 0;
- int matchingCount = 0;
+ int count = 0;
wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
while (node)
{
- wxRichTextParagraph* para = wxDynamicCast(node->GetData(), wxRichTextParagraph);
- wxASSERT (para != NULL);
-
- if (para)
- {
- // Stop searching if we're beyond the range of interest
- if (para->GetRange().GetStart() > range.GetEnd())
- return foundCount == matchingCount;
-
- if (!para->GetRange().IsOutside(range))
- {
- wxTextAttr textAttr = GetAttributes();
- // Apply the paragraph style
- wxRichTextApplyStyle(textAttr, para->GetAttributes());
+ wxRichTextParagraph* child = wxDynamicCast(node->GetData(), wxRichTextParagraph);
+ // wxASSERT (child != NULL);
- foundCount ++;
- if (wxTextAttrEqPartial(textAttr, style, style.GetFlags()))
- matchingCount ++;
- }
- }
+ if (child)
+ count += child->GetLines().GetCount();
node = node->GetNext();
}
- return foundCount == matchingCount;
+ return count;
}
-void wxRichTextParagraphLayoutBox::Clear()
+
+/// Get the paragraph for a given line
+wxRichTextParagraph* wxRichTextParagraphLayoutBox::GetParagraphForLine(wxRichTextLine* line) const
{
- DeleteChildren();
+ return GetParagraphAtPosition(line->GetAbsoluteRange().GetStart());
}
-void wxRichTextParagraphLayoutBox::Reset()
+/// Get the line size at the given position
+wxSize wxRichTextParagraphLayoutBox::GetLineSizeAtPosition(long pos, bool caretPosition) const
{
- Clear();
-
- AddParagraph(wxEmptyString);
-
- Invalidate(wxRICHTEXT_ALL);
+ wxRichTextLine* line = GetLineAtPosition(pos, caretPosition);
+ if (line)
+ {
+ return line->GetSize();
+ }
+ else
+ return wxSize(0, 0);
}
-/// Invalidate the buffer. With no argument, invalidates whole buffer.
-void wxRichTextParagraphLayoutBox::Invalidate(const wxRichTextRange& invalidRange)
+
+/// Convenience function to add a paragraph of text
+wxRichTextRange wxRichTextParagraphLayoutBox::AddParagraph(const wxString& text, wxRichTextAttr* paraStyle)
{
- SetDirty(true);
+ // Don't use the base style, just the default style, and the base style will
+ // be combined at display time.
+ // Divide into paragraph and character styles.
- if (invalidRange == wxRICHTEXT_ALL)
+ wxRichTextAttr defaultCharStyle;
+ wxRichTextAttr defaultParaStyle;
+
+ // If the default style is a named paragraph style, don't apply any character formatting
+ // to the initial text string.
+ if (GetDefaultStyle().HasParagraphStyleName() && GetStyleSheet())
{
- m_invalidRange = wxRICHTEXT_ALL;
- return;
+ wxRichTextParagraphStyleDefinition* def = GetStyleSheet()->FindParagraphStyle(GetDefaultStyle().GetParagraphStyleName());
+ if (def)
+ defaultParaStyle = def->GetStyleMergedWithBase(GetStyleSheet());
}
+ else
+ wxRichTextSplitParaCharStyles(GetDefaultStyle(), defaultParaStyle, defaultCharStyle);
- // Already invalidating everything
- if (m_invalidRange == wxRICHTEXT_ALL)
- return;
+ wxRichTextAttr* pStyle = paraStyle ? paraStyle : (wxRichTextAttr*) & defaultParaStyle;
+ wxRichTextAttr* cStyle = & defaultCharStyle;
+
+ wxRichTextParagraph* para = new wxRichTextParagraph(text, this, pStyle, cStyle);
+ para->GetAttributes().GetTextBoxAttr().Reset();
+
+ AppendChild(para);
+
+ UpdateRanges();
- if ((invalidRange.GetStart() < m_invalidRange.GetStart()) || m_invalidRange.GetStart() == -1)
- m_invalidRange.SetStart(invalidRange.GetStart());
- if (invalidRange.GetEnd() > m_invalidRange.GetEnd())
- m_invalidRange.SetEnd(invalidRange.GetEnd());
+ return para->GetRange();
}
-/// Get invalid range, rounding to entire paragraphs if argument is true.
-wxRichTextRange wxRichTextParagraphLayoutBox::GetInvalidRange(bool wholeParagraphs) const
+/// Adds multiple paragraphs, based on newlines.
+wxRichTextRange wxRichTextParagraphLayoutBox::AddParagraphs(const wxString& text, wxRichTextAttr* paraStyle)
{
- if (m_invalidRange == wxRICHTEXT_ALL || m_invalidRange == wxRICHTEXT_NONE)
- return m_invalidRange;
+ // Don't use the base style, just the default style, and the base style will
+ // be combined at display time.
+ // Divide into paragraph and character styles.
- wxRichTextRange range = m_invalidRange;
+ wxRichTextAttr defaultCharStyle;
+ wxRichTextAttr defaultParaStyle;
- if (wholeParagraphs)
+ // If the default style is a named paragraph style, don't apply any character formatting
+ // to the initial text string.
+ if (GetDefaultStyle().HasParagraphStyleName() && GetStyleSheet())
{
- wxRichTextParagraph* para1 = GetParagraphAtPosition(range.GetStart());
- wxRichTextParagraph* para2 = GetParagraphAtPosition(range.GetEnd());
- if (para1)
- range.SetStart(para1->GetRange().GetStart());
- if (para2)
- range.SetEnd(para2->GetRange().GetEnd());
+ wxRichTextParagraphStyleDefinition* def = GetStyleSheet()->FindParagraphStyle(GetDefaultStyle().GetParagraphStyleName());
+ if (def)
+ defaultParaStyle = def->GetStyleMergedWithBase(GetStyleSheet());
}
- return range;
-}
+ else
+ wxRichTextSplitParaCharStyles(GetDefaultStyle(), defaultParaStyle, defaultCharStyle);
-/// Apply the style sheet to the buffer, for example if the styles have changed.
-bool wxRichTextParagraphLayoutBox::ApplyStyleSheet(wxRichTextStyleSheet* styleSheet)
-{
- wxASSERT(styleSheet != NULL);
- if (!styleSheet)
- return false;
+ wxRichTextAttr* pStyle = paraStyle ? paraStyle : (wxRichTextAttr*) & defaultParaStyle;
+ wxRichTextAttr* cStyle = & defaultCharStyle;
- int foundCount = 0;
+ wxRichTextParagraph* firstPara = NULL;
+ wxRichTextParagraph* lastPara = NULL;
- wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
- while (node)
- {
- wxRichTextParagraph* para = wxDynamicCast(node->GetData(), wxRichTextParagraph);
- wxASSERT (para != NULL);
+ wxRichTextRange range(-1, -1);
- if (para)
- {
- // Combine paragraph and list styles. If there is a list style in the original attributes,
- // the current indentation overrides anything else and is used to find the item indentation.
- // Also, for applying paragraph styles, consider having 2 modes: (1) we merge with what we have,
- // thereby taking into account all user changes, (2) reset the style completely (except for indentation/list
- // exception as above).
- // Problem: when changing from one list style to another, there's a danger that the level info will get lost.
- // So when changing a list style interactively, could retrieve level based on current style, then
- // set appropriate indent and apply new style.
+ size_t i = 0;
+ size_t len = text.length();
+ wxString line;
+ wxRichTextParagraph* para = new wxRichTextParagraph(wxEmptyString, this, pStyle, cStyle);
+ para->GetAttributes().GetTextBoxAttr().Reset();
- if (!para->GetAttributes().GetParagraphStyleName().IsEmpty() && !para->GetAttributes().GetListStyleName().IsEmpty())
- {
- int currentIndent = para->GetAttributes().GetLeftIndent();
+ AppendChild(para);
- wxRichTextParagraphStyleDefinition* paraDef = styleSheet->FindParagraphStyle(para->GetAttributes().GetParagraphStyleName());
- wxRichTextListStyleDefinition* listDef = styleSheet->FindListStyle(para->GetAttributes().GetListStyleName());
- if (paraDef && !listDef)
- {
- para->GetAttributes() = paraDef->GetStyleMergedWithBase(styleSheet);
- foundCount ++;
- }
- else if (listDef && !paraDef)
- {
- // Set overall style defined for the list style definition
- para->GetAttributes() = listDef->GetStyleMergedWithBase(styleSheet);
+ firstPara = para;
+ lastPara = para;
- // Apply the style for this level
- wxRichTextApplyStyle(para->GetAttributes(), * listDef->GetLevelAttributes(listDef->FindLevelForIndent(currentIndent)));
- foundCount ++;
- }
- else if (listDef && paraDef)
- {
- // Combines overall list style, style for level, and paragraph style
- para->GetAttributes() = listDef->CombineWithParagraphStyle(currentIndent, paraDef->GetStyleMergedWithBase(styleSheet));
- foundCount ++;
- }
- }
- else if (para->GetAttributes().GetParagraphStyleName().IsEmpty() && !para->GetAttributes().GetListStyleName().IsEmpty())
+ while (i < len)
+ {
+ wxChar ch = text[i];
+ if (ch == wxT('\n') || ch == wxT('\r'))
+ {
+ if (i != (len-1))
{
- int currentIndent = para->GetAttributes().GetLeftIndent();
-
- wxRichTextListStyleDefinition* listDef = styleSheet->FindListStyle(para->GetAttributes().GetListStyleName());
+ wxRichTextPlainText* plainText = (wxRichTextPlainText*) para->GetChildren().GetFirst()->GetData();
+ plainText->SetText(line);
- // Overall list definition style
- para->GetAttributes() = listDef->GetStyleMergedWithBase(styleSheet);
+ para = new wxRichTextParagraph(wxEmptyString, this, pStyle, cStyle);
+ para->GetAttributes().GetTextBoxAttr().Reset();
- // Style for this level
- wxRichTextApplyStyle(para->GetAttributes(), * listDef->GetLevelAttributes(listDef->FindLevelForIndent(currentIndent)));
+ AppendChild(para);
- foundCount ++;
- }
- else if (!para->GetAttributes().GetParagraphStyleName().IsEmpty() && para->GetAttributes().GetListStyleName().IsEmpty())
- {
- wxRichTextParagraphStyleDefinition* def = styleSheet->FindParagraphStyle(para->GetAttributes().GetParagraphStyleName());
- if (def)
- {
- para->GetAttributes() = def->GetStyleMergedWithBase(styleSheet);
- foundCount ++;
- }
+ lastPara = para;
+ line = wxEmptyString;
}
}
+ else
+ line += ch;
- node = node->GetNext();
+ i ++;
}
- return foundCount != 0;
-}
-
-/// Set list style
-bool wxRichTextParagraphLayoutBox::SetListStyle(const wxRichTextRange& range, wxRichTextListStyleDefinition* def, int flags, int startFrom, int specifiedLevel)
-{
- wxRichTextStyleSheet* styleSheet = GetStyleSheet();
-
- bool withUndo = ((flags & wxRICHTEXT_SETSTYLE_WITH_UNDO) != 0);
- // bool applyMinimal = ((flags & wxRICHTEXT_SETSTYLE_OPTIMIZE) != 0);
- bool specifyLevel = ((flags & wxRICHTEXT_SETSTYLE_SPECIFY_LEVEL) != 0);
- bool renumber = ((flags & wxRICHTEXT_SETSTYLE_RENUMBER) != 0);
- // Current number, if numbering
- int n = startFrom;
+ if (!line.empty())
+ {
+ wxRichTextPlainText* plainText = (wxRichTextPlainText*) para->GetChildren().GetFirst()->GetData();
+ plainText->SetText(line);
+ }
- wxASSERT (!specifyLevel || (specifyLevel && (specifiedLevel >= 0)));
+ UpdateRanges();
- // If we are associated with a control, make undoable; otherwise, apply immediately
- // to the data.
+ return wxRichTextRange(firstPara->GetRange().GetStart(), lastPara->GetRange().GetEnd());
+}
- bool haveControl = (GetRichTextCtrl() != NULL);
+/// Convenience function to add an image
+wxRichTextRange wxRichTextParagraphLayoutBox::AddImage(const wxImage& image, wxRichTextAttr* paraStyle)
+{
+ // Don't use the base style, just the default style, and the base style will
+ // be combined at display time.
+ // Divide into paragraph and character styles.
- wxRichTextAction* action = NULL;
+ wxRichTextAttr defaultCharStyle;
+ wxRichTextAttr defaultParaStyle;
- if (haveControl && withUndo)
+ // If the default style is a named paragraph style, don't apply any character formatting
+ // to the initial text string.
+ if (GetDefaultStyle().HasParagraphStyleName() && GetStyleSheet())
{
- action = new wxRichTextAction(NULL, _("Change List Style"), wxRICHTEXT_CHANGE_STYLE, & GetRichTextCtrl()->GetBuffer(), GetRichTextCtrl());
- action->SetRange(range);
- action->SetPosition(GetRichTextCtrl()->GetCaretPosition());
+ wxRichTextParagraphStyleDefinition* def = GetStyleSheet()->FindParagraphStyle(GetDefaultStyle().GetParagraphStyleName());
+ if (def)
+ defaultParaStyle = def->GetStyleMergedWithBase(GetStyleSheet());
}
+ else
+ wxRichTextSplitParaCharStyles(GetDefaultStyle(), defaultParaStyle, defaultCharStyle);
- wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
- while (node)
- {
- wxRichTextParagraph* para = wxDynamicCast(node->GetData(), wxRichTextParagraph);
- wxASSERT (para != NULL);
+ wxRichTextAttr* pStyle = paraStyle ? paraStyle : (wxRichTextAttr*) & defaultParaStyle;
+ wxRichTextAttr* cStyle = & defaultCharStyle;
- if (para && para->GetChildCount() > 0)
- {
- // Stop searching if we're beyond the range of interest
- if (para->GetRange().GetStart() > range.GetEnd())
- break;
+ wxRichTextParagraph* para = new wxRichTextParagraph(this, pStyle);
+ para->GetAttributes().GetTextBoxAttr().Reset();
+ AppendChild(para);
+ para->AppendChild(new wxRichTextImage(image, this, cStyle));
- if (!para->GetRange().IsOutside(range))
- {
- // We'll be using a copy of the paragraph to make style changes,
- // not updating the buffer directly.
- wxRichTextParagraph* newPara wxDUMMY_INITIALIZE(NULL);
+ UpdateRanges();
- if (haveControl && withUndo)
- {
- newPara = new wxRichTextParagraph(*para);
- action->GetNewParagraphs().AppendChild(newPara);
+ return para->GetRange();
+}
- // Also store the old ones for Undo
- action->GetOldParagraphs().AppendChild(new wxRichTextParagraph(*para));
- }
- else
- newPara = para;
- if (def)
- {
- int thisIndent = newPara->GetAttributes().GetLeftIndent();
- int thisLevel = specifyLevel ? specifiedLevel : def->FindLevelForIndent(thisIndent);
+/// Insert fragment into this box at the given position. If partialParagraph is true,
+/// it is assumed that the last (or only) paragraph is just a piece of data with no paragraph
+/// marker.
- // How is numbering going to work?
- // If we are renumbering, or numbering for the first time, we need to keep
- // track of the number for each level. But we might be simply applying a different
- // list style.
- // In Word, applying a style to several paragraphs, even if at different levels,
- // reverts the level back to the same one. So we could do the same here.
- // Renumbering will need to be done when we promote/demote a paragraph.
+bool wxRichTextParagraphLayoutBox::InsertFragment(long position, wxRichTextParagraphLayoutBox& fragment)
+{
+ // First, find the first paragraph whose starting position is within the range.
+ wxRichTextParagraph* para = GetParagraphAtPosition(position);
+ if (para)
+ {
+ wxRichTextAttr originalAttr = para->GetAttributes();
- // Apply the overall list style, and item style for this level
- wxTextAttr listStyle(def->GetCombinedStyleForLevel(thisLevel, styleSheet));
- wxRichTextApplyStyle(newPara->GetAttributes(), listStyle);
+ wxRichTextObjectList::compatibility_iterator node = m_children.Find(para);
- // Now we need to do numbering
- if (renumber)
- {
- newPara->GetAttributes().SetBulletNumber(n);
- }
+ // Now split at this position, returning the object to insert the new
+ // ones in front of.
+ wxRichTextObject* nextObject = para->SplitAt(position);
- n ++;
- }
- else if (!newPara->GetAttributes().GetListStyleName().IsEmpty())
- {
- // if def is NULL, remove list style, applying any associated paragraph style
- // to restore the attributes
+ // Special case: partial paragraph, just one paragraph. Might be a small amount of
+ // text, for example, so let's optimize.
- newPara->GetAttributes().SetListStyleName(wxEmptyString);
- newPara->GetAttributes().SetLeftIndent(0, 0);
- newPara->GetAttributes().SetBulletText(wxEmptyString);
+ if (fragment.GetPartialParagraph() && fragment.GetChildren().GetCount() == 1)
+ {
+ // Add the first para to this para...
+ wxRichTextObjectList::compatibility_iterator firstParaNode = fragment.GetChildren().GetFirst();
+ if (!firstParaNode)
+ return false;
- // Eliminate the main list-related attributes
- newPara->GetAttributes().SetFlags(newPara->GetAttributes().GetFlags() & ~wxTEXT_ATTR_LEFT_INDENT & ~wxTEXT_ATTR_BULLET_STYLE & ~wxTEXT_ATTR_BULLET_NUMBER & ~wxTEXT_ATTR_BULLET_TEXT & wxTEXT_ATTR_LIST_STYLE_NAME);
+ // Iterate through the fragment paragraph inserting the content into this paragraph.
+ wxRichTextParagraph* firstPara = wxDynamicCast(firstParaNode->GetData(), wxRichTextParagraph);
+ wxASSERT (firstPara != NULL);
- if (styleSheet && !newPara->GetAttributes().GetParagraphStyleName().IsEmpty())
- {
- wxRichTextParagraphStyleDefinition* def = styleSheet->FindParagraphStyle(newPara->GetAttributes().GetParagraphStyleName());
- if (def)
- {
- newPara->GetAttributes() = def->GetStyleMergedWithBase(styleSheet);
- }
- }
+ wxRichTextObjectList::compatibility_iterator objectNode = firstPara->GetChildren().GetFirst();
+ while (objectNode)
+ {
+ wxRichTextObject* newObj = objectNode->GetData()->Clone();
+
+ if (!nextObject)
+ {
+ // Append
+ para->AppendChild(newObj);
+ }
+ else
+ {
+ // Insert before nextObject
+ para->InsertChild(newObj, nextObject);
}
+
+ objectNode = objectNode->GetNext();
}
- }
- node = node->GetNext();
- }
+ return true;
+ }
+ else
+ {
+ // Procedure for inserting a fragment consisting of a number of
+ // paragraphs:
+ //
+ // 1. Remove and save the content that's after the insertion point, for adding
+ // back once we've added the fragment.
+ // 2. Add the content from the first fragment paragraph to the current
+ // paragraph.
+ // 3. Add remaining fragment paragraphs after the current paragraph.
+ // 4. Add back the saved content from the first paragraph. If partialParagraph
+ // is true, add it to the last paragraph added and not a new one.
- // Do action, or delay it until end of batch.
- if (haveControl && withUndo)
- GetRichTextCtrl()->GetBuffer().SubmitAction(action);
+ // 1. Remove and save objects after split point.
+ wxList savedObjects;
+ if (nextObject)
+ para->MoveToList(nextObject, savedObjects);
- return true;
-}
+ // 2. Add the content from the 1st fragment paragraph.
+ wxRichTextObjectList::compatibility_iterator firstParaNode = fragment.GetChildren().GetFirst();
+ if (!firstParaNode)
+ return false;
-bool wxRichTextParagraphLayoutBox::SetListStyle(const wxRichTextRange& range, const wxString& defName, int flags, int startFrom, int specifiedLevel)
-{
- if (GetStyleSheet())
- {
- wxRichTextListStyleDefinition* def = GetStyleSheet()->FindListStyle(defName);
- if (def)
- return SetListStyle(range, def, flags, startFrom, specifiedLevel);
- }
- return false;
-}
+ wxRichTextParagraph* firstPara = wxDynamicCast(firstParaNode->GetData(), wxRichTextParagraph);
+ wxASSERT(firstPara != NULL);
-/// Clear list for given range
-bool wxRichTextParagraphLayoutBox::ClearListStyle(const wxRichTextRange& range, int flags)
-{
- return SetListStyle(range, NULL, flags);
-}
+ if (!(fragment.GetAttributes().GetFlags() & wxTEXT_ATTR_KEEP_FIRST_PARA_STYLE))
+ para->SetAttributes(firstPara->GetAttributes());
-/// Number/renumber any list elements in the given range
-bool wxRichTextParagraphLayoutBox::NumberList(const wxRichTextRange& range, wxRichTextListStyleDefinition* def, int flags, int startFrom, int specifiedLevel)
-{
- return DoNumberList(range, range, 0, def, flags, startFrom, specifiedLevel);
-}
+ // Save empty paragraph attributes for appending later
+ // These are character attributes deliberately set for a new paragraph. Without this,
+ // we couldn't pass default attributes when appending a new paragraph.
+ wxRichTextAttr emptyParagraphAttributes;
-/// Number/renumber any list elements in the given range. Also do promotion or demotion of items, if specified
-bool wxRichTextParagraphLayoutBox::DoNumberList(const wxRichTextRange& range, const wxRichTextRange& promotionRange, int promoteBy,
- wxRichTextListStyleDefinition* def, int flags, int startFrom, int specifiedLevel)
-{
- wxRichTextStyleSheet* styleSheet = GetStyleSheet();
+ wxRichTextObjectList::compatibility_iterator objectNode = firstPara->GetChildren().GetFirst();
- bool withUndo = ((flags & wxRICHTEXT_SETSTYLE_WITH_UNDO) != 0);
- // bool applyMinimal = ((flags & wxRICHTEXT_SETSTYLE_OPTIMIZE) != 0);
-#ifdef __WXDEBUG__
- bool specifyLevel = ((flags & wxRICHTEXT_SETSTYLE_SPECIFY_LEVEL) != 0);
-#endif
+ if (objectNode && firstPara->GetChildren().GetCount() == 1 && objectNode->GetData()->IsEmpty())
+ emptyParagraphAttributes = objectNode->GetData()->GetAttributes();
- bool renumber = ((flags & wxRICHTEXT_SETSTYLE_RENUMBER) != 0);
+ while (objectNode)
+ {
+ wxRichTextObject* newObj = objectNode->GetData()->Clone();
- // Max number of levels
- const int maxLevels = 10;
+ // Append
+ para->AppendChild(newObj);
- // The level we're looking at now
- int currentLevel = -1;
+ objectNode = objectNode->GetNext();
+ }
- // The item number for each level
- int levels[maxLevels];
- int i;
+ // 3. Add remaining fragment paragraphs after the current paragraph.
+ wxRichTextObjectList::compatibility_iterator nextParagraphNode = node->GetNext();
+ wxRichTextObject* nextParagraph = NULL;
+ if (nextParagraphNode)
+ nextParagraph = nextParagraphNode->GetData();
- // Reset all numbering
- for (i = 0; i < maxLevels; i++)
- {
- if (startFrom != -1)
- levels[i] = startFrom-1;
- else if (renumber) // start again
- levels[i] = 0;
- else
- levels[i] = -1; // start from the number we found, if any
- }
+ wxRichTextObjectList::compatibility_iterator i = fragment.GetChildren().GetFirst()->GetNext();
+ wxRichTextParagraph* finalPara = para;
- wxASSERT(!specifyLevel || (specifyLevel && (specifiedLevel >= 0)));
+ bool needExtraPara = (!i || !fragment.GetPartialParagraph());
- // If we are associated with a control, make undoable; otherwise, apply immediately
- // to the data.
+ // If there was only one paragraph, we need to insert a new one.
+ while (i)
+ {
+ wxRichTextParagraph* para = wxDynamicCast(i->GetData(), wxRichTextParagraph);
+ wxASSERT( para != NULL );
- bool haveControl = (GetRichTextCtrl() != NULL);
+ finalPara = (wxRichTextParagraph*) para->Clone();
- wxRichTextAction* action = NULL;
+ if (nextParagraph)
+ InsertChild(finalPara, nextParagraph);
+ else
+ AppendChild(finalPara);
- if (haveControl && withUndo)
- {
- action = new wxRichTextAction(NULL, _("Renumber List"), wxRICHTEXT_CHANGE_STYLE, & GetRichTextCtrl()->GetBuffer(), GetRichTextCtrl());
- action->SetRange(range);
- action->SetPosition(GetRichTextCtrl()->GetCaretPosition());
- }
+ i = i->GetNext();
+ }
- wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
- while (node)
- {
- wxRichTextParagraph* para = wxDynamicCast(node->GetData(), wxRichTextParagraph);
- wxASSERT (para != NULL);
+ // If there was only one paragraph, or we have full paragraphs in our fragment,
+ // we need to insert a new one.
+ if (needExtraPara)
+ {
+ finalPara = new wxRichTextParagraph;
- if (para && para->GetChildCount() > 0)
- {
- // Stop searching if we're beyond the range of interest
- if (para->GetRange().GetStart() > range.GetEnd())
- break;
+ if (nextParagraph)
+ InsertChild(finalPara, nextParagraph);
+ else
+ AppendChild(finalPara);
+ }
- if (!para->GetRange().IsOutside(range))
+ // 4. Add back the remaining content.
+ if (finalPara)
{
- // We'll be using a copy of the paragraph to make style changes,
- // not updating the buffer directly.
- wxRichTextParagraph* newPara wxDUMMY_INITIALIZE(NULL);
+ if (nextObject)
+ finalPara->MoveFromList(savedObjects);
- if (haveControl && withUndo)
+ // Ensure there's at least one object
+ if (finalPara->GetChildCount() == 0)
{
- newPara = new wxRichTextParagraph(*para);
- action->GetNewParagraphs().AppendChild(newPara);
-
- // Also store the old ones for Undo
- action->GetOldParagraphs().AppendChild(new wxRichTextParagraph(*para));
- }
- else
- newPara = para;
+ wxRichTextPlainText* text = new wxRichTextPlainText(wxEmptyString);
+ text->SetAttributes(emptyParagraphAttributes);
- wxRichTextListStyleDefinition* defToUse = def;
- if (!defToUse)
- {
- if (styleSheet && !newPara->GetAttributes().GetListStyleName().IsEmpty())
- defToUse = styleSheet->FindListStyle(newPara->GetAttributes().GetListStyleName());
+ finalPara->AppendChild(text);
}
+ }
- if (defToUse)
- {
- int thisIndent = newPara->GetAttributes().GetLeftIndent();
- int thisLevel = defToUse->FindLevelForIndent(thisIndent);
+ if ((fragment.GetAttributes().GetFlags() & wxTEXT_ATTR_KEEP_FIRST_PARA_STYLE) && firstPara)
+ finalPara->SetAttributes(firstPara->GetAttributes());
+ else if (finalPara && finalPara != para)
+ finalPara->SetAttributes(originalAttr);
- // If we've specified a level to apply to all, change the level.
- if (specifiedLevel != -1)
- thisLevel = specifiedLevel;
+ return true;
+ }
+ }
+ else
+ {
+ // Append
+ wxRichTextObjectList::compatibility_iterator i = fragment.GetChildren().GetFirst();
+ while (i)
+ {
+ wxRichTextParagraph* para = wxDynamicCast(i->GetData(), wxRichTextParagraph);
+ wxASSERT( para != NULL );
- // Do promotion if specified
- if ((promoteBy != 0) && !para->GetRange().IsOutside(promotionRange))
- {
- thisLevel = thisLevel - promoteBy;
- if (thisLevel < 0)
- thisLevel = 0;
- if (thisLevel > 9)
- thisLevel = 9;
- }
+ AppendChild(para->Clone());
- // Apply the overall list style, and item style for this level
- wxTextAttr listStyle(defToUse->GetCombinedStyleForLevel(thisLevel, styleSheet));
- wxRichTextApplyStyle(newPara->GetAttributes(), listStyle);
+ i = i->GetNext();
+ }
- // OK, we've (re)applied the style, now let's get the numbering right.
+ return true;
+ }
+}
- if (currentLevel == -1)
- currentLevel = thisLevel;
+/// Make a copy of the fragment corresponding to the given range, putting it in 'fragment'.
+/// If there was an incomplete paragraph at the end, partialParagraph is set to true.
+bool wxRichTextParagraphLayoutBox::CopyFragment(const wxRichTextRange& range, wxRichTextParagraphLayoutBox& fragment)
+{
+ wxRichTextObjectList::compatibility_iterator i = GetChildren().GetFirst();
+ while (i)
+ {
+ wxRichTextParagraph* para = wxDynamicCast(i->GetData(), wxRichTextParagraph);
+ wxASSERT( para != NULL );
- // Same level as before, do nothing except increment level's number afterwards
- if (currentLevel == thisLevel)
- {
- }
- // A deeper level: start renumbering all levels after current level
- else if (thisLevel > currentLevel)
- {
- for (i = currentLevel+1; i <= thisLevel; i++)
- {
- levels[i] = 0;
- }
- currentLevel = thisLevel;
- }
- else if (thisLevel < currentLevel)
- {
- currentLevel = thisLevel;
- }
+ if (!para->GetRange().IsOutside(range))
+ {
+ fragment.AppendChild(para->Clone());
+ }
+ i = i->GetNext();
+ }
- // Use the current numbering if -1 and we have a bullet number already
- if (levels[currentLevel] == -1)
- {
- if (newPara->GetAttributes().HasBulletNumber())
- levels[currentLevel] = newPara->GetAttributes().GetBulletNumber();
- else
- levels[currentLevel] = 1;
- }
- else
- {
- levels[currentLevel] ++;
- }
+ // Now top and tail the first and last paragraphs in our new fragment (which might be the same).
+ if (!fragment.IsEmpty())
+ {
+ wxRichTextParagraph* firstPara = wxDynamicCast(fragment.GetChildren().GetFirst()->GetData(), wxRichTextParagraph);
+ wxASSERT( firstPara != NULL );
- newPara->GetAttributes().SetBulletNumber(levels[currentLevel]);
+ wxRichTextParagraph* lastPara = wxDynamicCast(fragment.GetChildren().GetLast()->GetData(), wxRichTextParagraph);
+ wxASSERT( lastPara != NULL );
- // Create the bullet text if an outline list
- if (listStyle.GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_OUTLINE)
- {
- wxString text;
- for (i = 0; i <= currentLevel; i++)
- {
- if (!text.IsEmpty())
- text += wxT(".");
- text += wxString::Format(wxT("%d"), levels[i]);
- }
- newPara->GetAttributes().SetBulletText(text);
- }
- }
- }
- }
+ if (!firstPara || !lastPara)
+ return false;
- node = node->GetNext();
- }
+ bool isFragment = (range.GetEnd() < lastPara->GetRange().GetEnd());
- // Do action, or delay it until end of batch.
- if (haveControl && withUndo)
- GetRichTextCtrl()->GetBuffer().SubmitAction(action);
+ long firstPos = firstPara->GetRange().GetStart();
- return true;
-}
+ // Adjust for renumbering from zero
+ wxRichTextRange topTailRange(range.GetStart() - firstPos, range.GetEnd() - firstPos);
-bool wxRichTextParagraphLayoutBox::NumberList(const wxRichTextRange& range, const wxString& defName, int flags, int startFrom, int specifiedLevel)
-{
- if (GetStyleSheet())
- {
- wxRichTextListStyleDefinition* def = NULL;
- if (!defName.IsEmpty())
- def = GetStyleSheet()->FindListStyle(defName);
- return NumberList(range, def, flags, startFrom, specifiedLevel);
- }
- return false;
-}
+ long end;
+ fragment.CalculateRange(0, end);
-/// Promote the list items within the given range. promoteBy can be a positive or negative number, e.g. 1 or -1
-bool wxRichTextParagraphLayoutBox::PromoteList(int promoteBy, const wxRichTextRange& range, wxRichTextListStyleDefinition* def, int flags, int specifiedLevel)
-{
- // TODO
- // One strategy is to first work out the range within which renumbering must occur. Then could pass these two ranges
- // to NumberList with a flag indicating promotion is required within one of the ranges.
- // Find first and last paragraphs in range. Then for first, calculate new indentation and look back until we find
- // a paragraph that either has no list style, or has one that is different or whose indentation is less.
- // We start renumbering from the para after that different para we found. We specify that the numbering of that
- // list position will start from 1.
- // Similarly, we look after the last para in the promote range for an indentation that is less (or no list style).
- // We can end the renumbering at this point.
+ // Chop off the start of the paragraph
+ if (topTailRange.GetStart() > 0)
+ {
+ wxRichTextRange r(0, topTailRange.GetStart()-1);
+ firstPara->DeleteRange(r);
- // For now, only renumber within the promotion range.
+ // Make sure the numbering is correct
+ fragment.CalculateRange(0, end);
- return DoNumberList(range, range, promoteBy, def, flags, 1, specifiedLevel);
-}
+ // Now, we've deleted some positions, so adjust the range
+ // accordingly.
+ topTailRange.SetStart(range.GetLength());
+ topTailRange.SetEnd(fragment.GetOwnRange().GetEnd());
+ }
+ else
+ {
+ topTailRange.SetStart(range.GetLength());
+ topTailRange.SetEnd(fragment.GetOwnRange().GetEnd());
+ }
-bool wxRichTextParagraphLayoutBox::PromoteList(int promoteBy, const wxRichTextRange& range, const wxString& defName, int flags, int specifiedLevel)
-{
- if (GetStyleSheet())
- {
- wxRichTextListStyleDefinition* def = NULL;
- if (!defName.IsEmpty())
- def = GetStyleSheet()->FindListStyle(defName);
- return PromoteList(promoteBy, range, def, flags, specifiedLevel);
- }
- return false;
-}
+ if (topTailRange.GetStart() < lastPara->GetRange().GetEnd())
+ {
+ lastPara->DeleteRange(topTailRange);
-/// Fills in the attributes for numbering a paragraph after previousParagraph. It also finds the
-/// position of the paragraph that it had to start looking from.
-bool wxRichTextParagraphLayoutBox::FindNextParagraphNumber(wxRichTextParagraph* previousParagraph, wxTextAttr& attr) const
-{
- if (!previousParagraph->GetAttributes().HasFlag(wxTEXT_ATTR_BULLET_STYLE) || previousParagraph->GetAttributes().GetBulletStyle() == wxTEXT_ATTR_BULLET_STYLE_NONE)
- return false;
+ // Make sure the numbering is correct
+ long end;
+ fragment.CalculateRange(0, end);
- wxRichTextStyleSheet* styleSheet = GetStyleSheet();
- if (styleSheet && !previousParagraph->GetAttributes().GetListStyleName().IsEmpty())
- {
- wxRichTextListStyleDefinition* def = styleSheet->FindListStyle(previousParagraph->GetAttributes().GetListStyleName());
- if (def)
+ // We only have part of a paragraph at the end
+ fragment.SetPartialParagraph(true);
+ }
+ else
{
- // int thisIndent = previousParagraph->GetAttributes().GetLeftIndent();
- // int thisLevel = def->FindLevelForIndent(thisIndent);
+ // We have a partial paragraph (don't save last new paragraph marker)
+ // or complete paragraph
+ fragment.SetPartialParagraph(isFragment);
+ }
+ }
- bool isOutline = (previousParagraph->GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_OUTLINE) != 0;
+ return true;
+}
- attr.SetFlags(previousParagraph->GetAttributes().GetFlags() & (wxTEXT_ATTR_BULLET_STYLE|wxTEXT_ATTR_BULLET_NUMBER|wxTEXT_ATTR_BULLET_TEXT|wxTEXT_ATTR_BULLET_NAME));
- if (previousParagraph->GetAttributes().HasBulletName())
- attr.SetBulletName(previousParagraph->GetAttributes().GetBulletName());
- attr.SetBulletStyle(previousParagraph->GetAttributes().GetBulletStyle());
- attr.SetListStyleName(previousParagraph->GetAttributes().GetListStyleName());
+/// Given a position, get the number of the visible line (potentially many to a paragraph),
+/// starting from zero at the start of the buffer.
+long wxRichTextParagraphLayoutBox::GetVisibleLineNumber(long pos, bool caretPosition, bool startOfLine) const
+{
+ if (caretPosition)
+ pos ++;
- int nextNumber = previousParagraph->GetAttributes().GetBulletNumber() + 1;
- attr.SetBulletNumber(nextNumber);
+ int lineCount = 0;
- if (isOutline)
+ wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
+ {
+ wxRichTextParagraph* child = wxDynamicCast(node->GetData(), wxRichTextParagraph);
+ // wxASSERT( child != NULL );
+
+ if (child)
+ {
+ if (child->GetRange().Contains(pos))
{
- wxString text = previousParagraph->GetAttributes().GetBulletText();
- if (!text.IsEmpty())
+ wxRichTextLineList::compatibility_iterator node2 = child->GetLines().GetFirst();
+ while (node2)
{
- int pos = text.Find(wxT('.'), true);
- if (pos != wxNOT_FOUND)
+ wxRichTextLine* line = node2->GetData();
+ wxRichTextRange lineRange = line->GetAbsoluteRange();
+
+ if (lineRange.Contains(pos) || pos == lineRange.GetStart())
{
- text = text.Mid(0, text.Length() - pos - 1);
+ // If the caret is displayed at the end of the previous wrapped line,
+ // we want to return the line it's _displayed_ at (not the actual line
+ // containing the position).
+ if (lineRange.GetStart() == pos && !startOfLine && child->GetRange().GetStart() != pos)
+ return lineCount - 1;
+ else
+ return lineCount;
}
- else
- text = wxEmptyString;
- if (!text.IsEmpty())
- text += wxT(".");
- text += wxString::Format(wxT("%d"), nextNumber);
- attr.SetBulletText(text);
+
+ lineCount ++;
+
+ node2 = node2->GetNext();
}
+ // If we didn't find it in the lines, it must be
+ // the last position of the paragraph. So return the last line.
+ return lineCount-1;
}
-
- return true;
+ else
+ lineCount += child->GetLines().GetCount();
}
- else
- return false;
+
+ node = node->GetNext();
}
- else
- return false;
+
+ // Not found
+ return -1;
}
-/*!
- * wxRichTextParagraph
- * This object represents a single paragraph (or in a straight text editor, a line).
- */
+/// Given a line number, get the corresponding wxRichTextLine object.
+wxRichTextLine* wxRichTextParagraphLayoutBox::GetLineForVisibleLineNumber(long lineNumber) const
+{
+ int lineCount = 0;
-IMPLEMENT_DYNAMIC_CLASS(wxRichTextParagraph, wxRichTextBox)
+ wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
+ {
+ wxRichTextParagraph* child = wxDynamicCast(node->GetData(), wxRichTextParagraph);
+ // wxASSERT(child != NULL);
-wxArrayInt wxRichTextParagraph::sm_defaultTabs;
+ if (child)
+ {
+ if (lineNumber < (int) (child->GetLines().GetCount() + lineCount))
+ {
+ wxRichTextLineList::compatibility_iterator node2 = child->GetLines().GetFirst();
+ while (node2)
+ {
+ wxRichTextLine* line = node2->GetData();
-wxRichTextParagraph::wxRichTextParagraph(wxRichTextObject* parent, wxTextAttr* style):
- wxRichTextBox(parent)
-{
- if (style)
- SetAttributes(*style);
-}
+ if (lineCount == lineNumber)
+ return line;
-wxRichTextParagraph::wxRichTextParagraph(const wxString& text, wxRichTextObject* parent, wxTextAttr* paraStyle, wxTextAttr* charStyle):
- wxRichTextBox(parent)
-{
- if (paraStyle)
- SetAttributes(*paraStyle);
+ lineCount ++;
- AppendChild(new wxRichTextPlainText(text, this, charStyle));
-}
+ node2 = node2->GetNext();
+ }
+ }
+ else
+ lineCount += child->GetLines().GetCount();
+ }
-wxRichTextParagraph::~wxRichTextParagraph()
-{
- ClearLines();
+ node = node->GetNext();
+ }
+
+ // Didn't find it
+ return NULL;
}
-/// Draw the item
-bool wxRichTextParagraph::Draw(wxDC& dc, const wxRichTextRange& range, const wxRichTextRange& selectionRange, const wxRect& WXUNUSED(rect), int WXUNUSED(descent), int style)
+/// Delete range from layout.
+bool wxRichTextParagraphLayoutBox::DeleteRange(const wxRichTextRange& range)
{
- wxTextAttr attr = GetCombinedAttributes();
+ wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
- // Draw the bullet, if any
- if (attr.GetBulletStyle() != wxTEXT_ATTR_BULLET_STYLE_NONE)
+ wxRichTextParagraph* firstPara = NULL;
+ while (node)
{
- if (attr.GetLeftSubIndent() != 0)
- {
- int spaceBeforePara = ConvertTenthsMMToPixels(dc, attr.GetParagraphSpacingBefore());
- int leftIndent = ConvertTenthsMMToPixels(dc, attr.GetLeftIndent());
+ wxRichTextParagraph* obj = wxDynamicCast(node->GetData(), wxRichTextParagraph);
+ // wxASSERT (obj != NULL);
- wxTextAttr bulletAttr(GetCombinedAttributes());
+ wxRichTextObjectList::compatibility_iterator next = node->GetNext();
- // Combine with the font of the first piece of content, if one is specified
- if (GetChildren().GetCount() > 0)
+ if (obj)
+ {
+ // Delete the range in each paragraph
+
+ if (!obj->GetRange().IsOutside(range))
{
- wxRichTextObject* firstObj = (wxRichTextObject*) GetChildren().GetFirst()->GetData();
- if (firstObj->GetAttributes().HasFont())
+ // Deletes the content of this object within the given range
+ obj->DeleteRange(range);
+
+ wxRichTextRange thisRange = obj->GetRange();
+ wxRichTextAttr thisAttr = obj->GetAttributes();
+
+ // If the whole paragraph is within the range to delete,
+ // delete the whole thing.
+ if (range.GetStart() <= thisRange.GetStart() && range.GetEnd() >= thisRange.GetEnd())
{
- wxRichTextApplyStyle(bulletAttr, firstObj->GetAttributes());
+ // Delete the whole object
+ RemoveChild(obj, true);
+ obj = NULL;
}
- }
+ else if (!firstPara)
+ firstPara = obj;
- // Get line height from first line, if any
- wxRichTextLine* line = m_cachedLines.GetFirst() ? (wxRichTextLine* ) m_cachedLines.GetFirst()->GetData() : (wxRichTextLine*) NULL;
+ // If the range includes the paragraph end, we need to join this
+ // and the next paragraph.
+ if (range.GetEnd() <= thisRange.GetEnd())
+ {
+ // We need to move the objects from the next paragraph
+ // to this paragraph
- wxPoint linePos;
- int lineHeight wxDUMMY_INITIALIZE(0);
- if (line)
- {
- lineHeight = line->GetSize().y;
- linePos = line->GetPosition() + GetPosition();
- }
- else
- {
- wxFont font;
- if (bulletAttr.HasFont() && GetBuffer())
- font = GetBuffer()->GetFontTable().FindFont(bulletAttr);
- else
- font = (*wxNORMAL_FONT);
+ wxRichTextParagraph* nextParagraph = NULL;
+ if ((range.GetEnd() < thisRange.GetEnd()) && obj)
+ nextParagraph = obj;
+ else
+ {
+ // We're ending at the end of the paragraph, so merge the _next_ paragraph.
+ if (next)
+ nextParagraph = wxDynamicCast(next->GetData(), wxRichTextParagraph);
+ }
- dc.SetFont(font);
+ bool applyFinalParagraphStyle = firstPara && nextParagraph && nextParagraph != firstPara;
- lineHeight = dc.GetCharHeight();
- linePos = GetPosition();
- linePos.y += spaceBeforePara;
- }
+ wxRichTextAttr nextParaAttr;
+ if (applyFinalParagraphStyle)
+ {
+ // Special case when deleting the end of a paragraph - use _this_ paragraph's style,
+ // not the next one.
+ if (range.GetStart() == range.GetEnd() && range.GetStart() == thisRange.GetEnd())
+ nextParaAttr = thisAttr;
+ else
+ nextParaAttr = nextParagraph->GetAttributes();
+ }
- wxRect bulletRect(GetPosition().x + leftIndent, linePos.y, linePos.x - (GetPosition().x + leftIndent), lineHeight);
+ if (firstPara && nextParagraph && firstPara != nextParagraph)
+ {
+ // Move the objects to the previous para
+ wxRichTextObjectList::compatibility_iterator node1 = nextParagraph->GetChildren().GetFirst();
- if (attr.GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_BITMAP)
- {
- if (wxRichTextBuffer::GetRenderer())
- wxRichTextBuffer::GetRenderer()->DrawBitmapBullet(this, dc, bulletAttr, bulletRect);
- }
- else if (attr.GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_STANDARD)
- {
- if (wxRichTextBuffer::GetRenderer())
- wxRichTextBuffer::GetRenderer()->DrawStandardBullet(this, dc, bulletAttr, bulletRect);
- }
- else
- {
- wxString bulletText = GetBulletText();
+ while (node1)
+ {
+ wxRichTextObject* obj1 = node1->GetData();
- if (!bulletText.empty() && wxRichTextBuffer::GetRenderer())
- wxRichTextBuffer::GetRenderer()->DrawTextBullet(this, dc, bulletAttr, bulletRect, bulletText);
+ firstPara->AppendChild(obj1);
+
+ wxRichTextObjectList::compatibility_iterator next1 = node1->GetNext();
+ nextParagraph->GetChildren().Erase(node1);
+
+ node1 = next1;
+ }
+
+ // Delete the paragraph
+ RemoveChild(nextParagraph, true);
+ }
+
+ // Avoid empty paragraphs
+ if (firstPara && firstPara->GetChildren().GetCount() == 0)
+ {
+ wxRichTextPlainText* text = new wxRichTextPlainText(wxEmptyString);
+ firstPara->AppendChild(text);
+ }
+
+ if (applyFinalParagraphStyle)
+ firstPara->SetAttributes(nextParaAttr);
+
+ return true;
+ }
}
}
+
+ node = next;
}
- // Draw the range for each line, one object at a time.
+ return true;
+}
- wxRichTextLineList::compatibility_iterator node = m_cachedLines.GetFirst();
+/// Get any text in this object for the given range
+wxString wxRichTextParagraphLayoutBox::GetTextForRange(const wxRichTextRange& range) const
+{
+ int lineCount = 0;
+ wxString text;
+ wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
while (node)
{
- wxRichTextLine* line = node->GetData();
- wxRichTextRange lineRange = line->GetAbsoluteRange();
-
- int maxDescent = line->GetDescent();
-
- // Lines are specified relative to the paragraph
-
- wxPoint linePosition = line->GetPosition() + GetPosition();
- wxPoint objectPosition = linePosition;
-
- // Loop through objects until we get to the one within range
- wxRichTextObjectList::compatibility_iterator node2 = m_children.GetFirst();
- while (node2)
+ wxRichTextObject* child = node->GetData();
+ if (!child->GetRange().IsOutside(range))
{
- wxRichTextObject* child = node2->GetData();
-
- if (!child->GetRange().IsOutside(lineRange) && !lineRange.IsOutside(range))
- {
- // Draw this part of the line at the correct position
- wxRichTextRange objectRange(child->GetRange());
- objectRange.LimitTo(lineRange);
+ wxRichTextRange childRange = range;
+ childRange.LimitTo(child->GetRange());
- wxSize objectSize;
- int descent = 0;
- child->GetRangeSize(objectRange, objectSize, descent, dc, wxRICHTEXT_UNFORMATTED, objectPosition);
+ wxString childText = child->GetTextForRange(childRange);
- // Use the child object's width, but the whole line's height
- wxRect childRect(objectPosition, wxSize(objectSize.x, line->GetSize().y));
- child->Draw(dc, objectRange, selectionRange, childRect, maxDescent, style);
+ text += childText;
- objectPosition.x += objectSize.x;
- }
- else if (child->GetRange().GetStart() > lineRange.GetEnd())
- // Can break out of inner loop now since we've passed this line's range
- break;
+ if ((childRange.GetEnd() == child->GetRange().GetEnd()) && node->GetNext())
+ text += wxT("\n");
- node2 = node2->GetNext();
+ lineCount ++;
}
-
node = node->GetNext();
}
- return true;
+ return text;
}
-/// Lay the item out
-bool wxRichTextParagraph::Layout(wxDC& dc, const wxRect& rect, int style)
+/// Get all the text
+wxString wxRichTextParagraphLayoutBox::GetText() const
{
- wxTextAttr attr = GetCombinedAttributes();
+ return GetTextForRange(GetOwnRange());
+}
- // ClearLines();
+/// Get the paragraph by number
+wxRichTextParagraph* wxRichTextParagraphLayoutBox::GetParagraphAtLine(long paragraphNumber) const
+{
+ if ((size_t) paragraphNumber >= GetChildCount())
+ return NULL;
- // Increase the size of the paragraph due to spacing
- int spaceBeforePara = ConvertTenthsMMToPixels(dc, attr.GetParagraphSpacingBefore());
- int spaceAfterPara = ConvertTenthsMMToPixels(dc, attr.GetParagraphSpacingAfter());
- int leftIndent = ConvertTenthsMMToPixels(dc, attr.GetLeftIndent());
- int leftSubIndent = ConvertTenthsMMToPixels(dc, attr.GetLeftSubIndent());
- int rightIndent = ConvertTenthsMMToPixels(dc, attr.GetRightIndent());
+ return (wxRichTextParagraph*) GetChild((size_t) paragraphNumber);
+}
- int lineSpacing = 0;
+/// Get the length of the paragraph
+int wxRichTextParagraphLayoutBox::GetParagraphLength(long paragraphNumber) const
+{
+ wxRichTextParagraph* para = GetParagraphAtLine(paragraphNumber);
+ if (para)
+ return para->GetRange().GetLength() - 1; // don't include newline
+ else
+ return 0;
+}
- // Let's assume line spacing of 10 is normal, 15 is 1.5, 20 is 2, etc.
- if (attr.GetLineSpacing() != 10 && GetBuffer())
+/// Get the text of the paragraph
+wxString wxRichTextParagraphLayoutBox::GetParagraphText(long paragraphNumber) const
+{
+ wxRichTextParagraph* para = GetParagraphAtLine(paragraphNumber);
+ if (para)
+ return para->GetTextForRange(para->GetRange());
+ else
+ return wxEmptyString;
+}
+
+/// Convert zero-based line column and paragraph number to a position.
+long wxRichTextParagraphLayoutBox::XYToPosition(long x, long y) const
+{
+ wxRichTextParagraph* para = GetParagraphAtLine(y);
+ if (para)
{
- wxFont font(GetBuffer()->GetFontTable().FindFont(attr));
- dc.SetFont(font);
- lineSpacing = (ConvertTenthsMMToPixels(dc, dc.GetCharHeight()) * attr.GetLineSpacing())/10;
+ return para->GetRange().GetStart() + x;
}
+ else
+ return -1;
+}
- // Available space for text on each line differs.
- int availableTextSpaceFirstLine = rect.GetWidth() - leftIndent - rightIndent;
+/// Convert zero-based position to line column and paragraph number
+bool wxRichTextParagraphLayoutBox::PositionToXY(long pos, long* x, long* y) const
+{
+ wxRichTextParagraph* para = GetParagraphAtPosition(pos);
+ if (para)
+ {
+ int count = 0;
+ wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
+ {
+ wxRichTextObject* child = node->GetData();
+ if (child == para)
+ break;
+ count ++;
+ node = node->GetNext();
+ }
- // Bullets start the text at the same position as subsequent lines
- if (attr.GetBulletStyle() != wxTEXT_ATTR_BULLET_STYLE_NONE)
- availableTextSpaceFirstLine -= leftSubIndent;
+ *y = count;
+ *x = pos - para->GetRange().GetStart();
- int availableTextSpaceSubsequentLines = rect.GetWidth() - leftIndent - rightIndent - leftSubIndent;
+ return true;
+ }
+ else
+ return false;
+}
- // Start position for each line relative to the paragraph
- int startPositionFirstLine = leftIndent;
- int startPositionSubsequentLines = leftIndent + leftSubIndent;
+/// Get the leaf object in a paragraph at this position.
+/// Given a line number, get the corresponding wxRichTextLine object.
+wxRichTextObject* wxRichTextParagraphLayoutBox::GetLeafObjectAtPosition(long position) const
+{
+ wxRichTextParagraph* para = GetParagraphAtPosition(position);
+ if (para)
+ {
+ wxRichTextObjectList::compatibility_iterator node = para->GetChildren().GetFirst();
- // If we have a bullet in this paragraph, the start position for the first line's text
- // is actually leftIndent + leftSubIndent.
- if (attr.GetBulletStyle() != wxTEXT_ATTR_BULLET_STYLE_NONE)
- startPositionFirstLine = startPositionSubsequentLines;
+ while (node)
+ {
+ wxRichTextObject* child = node->GetData();
+ if (child->GetRange().Contains(position))
+ return child;
- long lastEndPos = GetRange().GetStart()-1;
- long lastCompletedEndPos = lastEndPos;
+ node = node->GetNext();
+ }
+ if (position == para->GetRange().GetEnd() && para->GetChildCount() > 0)
+ return para->GetChildren().GetLast()->GetData();
+ }
+ return NULL;
+}
- int currentWidth = 0;
- SetPosition(rect.GetPosition());
+/// Set character or paragraph text attributes: apply character styles only to immediate text nodes
+bool wxRichTextParagraphLayoutBox::SetStyle(const wxRichTextRange& range, const wxRichTextAttr& style, int flags)
+{
+ bool characterStyle = false;
+ bool paragraphStyle = false;
- wxPoint currentPosition(0, spaceBeforePara); // We will calculate lines relative to paragraph
- int lineHeight = 0;
- int maxWidth = 0;
- int maxDescent = 0;
+ if (style.IsCharacterStyle())
+ characterStyle = true;
+ if (style.IsParagraphStyle())
+ paragraphStyle = true;
- int lineCount = 0;
+ wxRichTextBuffer* buffer = GetBuffer();
- // Split up lines
+ bool withUndo = ((flags & wxRICHTEXT_SETSTYLE_WITH_UNDO) != 0);
+ bool applyMinimal = ((flags & wxRICHTEXT_SETSTYLE_OPTIMIZE) != 0);
+ bool parasOnly = ((flags & wxRICHTEXT_SETSTYLE_PARAGRAPHS_ONLY) != 0);
+ bool charactersOnly = ((flags & wxRICHTEXT_SETSTYLE_CHARACTERS_ONLY) != 0);
+ bool resetExistingStyle = ((flags & wxRICHTEXT_SETSTYLE_RESET) != 0);
+ bool removeStyle = ((flags & wxRICHTEXT_SETSTYLE_REMOVE) != 0);
- // We may need to go back to a previous child, in which case create the new line,
- // find the child corresponding to the start position of the string, and
- // continue.
+ // Apply paragraph style first, if any
+ wxRichTextAttr wholeStyle(style);
- wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
- while (node)
+ if (!removeStyle && wholeStyle.HasParagraphStyleName() && buffer->GetStyleSheet())
{
- wxRichTextObject* child = node->GetData();
+ wxRichTextParagraphStyleDefinition* def = buffer->GetStyleSheet()->FindParagraphStyle(wholeStyle.GetParagraphStyleName());
+ if (def)
+ wxRichTextApplyStyle(wholeStyle, def->GetStyleMergedWithBase(buffer->GetStyleSheet()));
+ }
- // If this is e.g. a composite text box, it will need to be laid out itself.
- // But if just a text fragment or image, for example, this will
- // do nothing. NB: won't we need to set the position after layout?
- // since for example if position is dependent on vertical line size, we
- // can't tell the position until the size is determined. So possibly introduce
- // another layout phase.
+ // Limit the attributes to be set to the content to only character attributes.
+ wxRichTextAttr characterAttributes(wholeStyle);
+ characterAttributes.SetFlags(characterAttributes.GetFlags() & (wxTEXT_ATTR_CHARACTER));
- // TODO: can't this be called only once per child?
- child->Layout(dc, rect, style);
+ if (!removeStyle && characterAttributes.HasCharacterStyleName() && buffer->GetStyleSheet())
+ {
+ wxRichTextCharacterStyleDefinition* def = buffer->GetStyleSheet()->FindCharacterStyle(characterAttributes.GetCharacterStyleName());
+ if (def)
+ wxRichTextApplyStyle(characterAttributes, def->GetStyleMergedWithBase(buffer->GetStyleSheet()));
+ }
- // Available width depends on whether we're on the first or subsequent lines
- int availableSpaceForText = (lineCount == 0 ? availableTextSpaceFirstLine : availableTextSpaceSubsequentLines);
+ // If we are associated with a control, make undoable; otherwise, apply immediately
+ // to the data.
- currentPosition.x = (lineCount == 0 ? startPositionFirstLine : startPositionSubsequentLines);
-
- // We may only be looking at part of a child, if we searched back for wrapping
- // and found a suitable point some way into the child. So get the size for the fragment
- // if necessary.
+ bool haveControl = (buffer->GetRichTextCtrl() != NULL);
- long nextBreakPos = GetFirstLineBreakPosition(lastEndPos+1);
- long lastPosToUse = child->GetRange().GetEnd();
- bool lineBreakInThisObject = (nextBreakPos > -1 && nextBreakPos <= child->GetRange().GetEnd());
+ wxRichTextAction* action = NULL;
- if (lineBreakInThisObject)
- lastPosToUse = nextBreakPos;
+ if (haveControl && withUndo)
+ {
+ action = new wxRichTextAction(NULL, _("Change Style"), wxRICHTEXT_CHANGE_STYLE, buffer, this, buffer->GetRichTextCtrl());
+ action->SetRange(range);
+ action->SetPosition(buffer->GetRichTextCtrl()->GetCaretPosition());
+ }
- wxSize childSize;
- int childDescent = 0;
+ wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
+ {
+ wxRichTextParagraph* para = wxDynamicCast(node->GetData(), wxRichTextParagraph);
+ // wxASSERT (para != NULL);
- if ((nextBreakPos == -1) && (lastEndPos == child->GetRange().GetStart() - 1)) // i.e. we want to get the whole thing
+ if (para && para->GetChildCount() > 0)
{
- childSize = child->GetCachedSize();
- childDescent = child->GetDescent();
- }
- else
- GetRangeSize(wxRichTextRange(lastEndPos+1, lastPosToUse), childSize, childDescent, dc, wxRICHTEXT_UNFORMATTED, rect.GetPosition());
+ // Stop searching if we're beyond the range of interest
+ if (para->GetRange().GetStart() > range.GetEnd())
+ break;
- // Cases:
- // 1) There was a line break BEFORE the natural break
- // 2) There was a line break AFTER the natural break
- // 3) The child still fits (carry on)
+ if (!para->GetRange().IsOutside(range))
+ {
+ // We'll be using a copy of the paragraph to make style changes,
+ // not updating the buffer directly.
+ wxRichTextParagraph* newPara wxDUMMY_INITIALIZE(NULL);
- if ((lineBreakInThisObject && (childSize.x + currentWidth <= availableSpaceForText)) ||
- (childSize.x + currentWidth > availableSpaceForText))
- {
- long wrapPosition = 0;
+ if (haveControl && withUndo)
+ {
+ newPara = new wxRichTextParagraph(*para);
+ action->GetNewParagraphs().AppendChild(newPara);
- // Find a place to wrap. This may walk back to previous children,
- // for example if a word spans several objects.
- if (!FindWrapPosition(wxRichTextRange(lastCompletedEndPos+1, child->GetRange().GetEnd()), dc, availableSpaceForText, wrapPosition))
- {
- // If the function failed, just cut it off at the end of this child.
- wrapPosition = child->GetRange().GetEnd();
- }
+ // Also store the old ones for Undo
+ action->GetOldParagraphs().AppendChild(new wxRichTextParagraph(*para));
+ }
+ else
+ newPara = para;
- // FindWrapPosition can still return a value that will put us in an endless wrapping loop
- if (wrapPosition <= lastCompletedEndPos)
- wrapPosition = wxMax(lastCompletedEndPos+1,child->GetRange().GetEnd());
+ // If we're specifying paragraphs only, then we really mean character formatting
+ // to be included in the paragraph style
+ if ((paragraphStyle || parasOnly) && !charactersOnly)
+ {
+ if (removeStyle)
+ {
+ // Removes the given style from the paragraph
+ wxRichTextRemoveStyle(newPara->GetAttributes(), style);
+ }
+ else if (resetExistingStyle)
+ newPara->GetAttributes() = wholeStyle;
+ else
+ {
+ if (applyMinimal)
+ {
+ // Only apply attributes that will make a difference to the combined
+ // style as seen on the display
+ wxRichTextAttr combinedAttr(para->GetCombinedAttributes(true));
+ wxRichTextApplyStyle(newPara->GetAttributes(), wholeStyle, & combinedAttr);
+ }
+ else
+ wxRichTextApplyStyle(newPara->GetAttributes(), wholeStyle);
+ }
+ }
- // wxLogDebug(wxT("Split at %ld"), wrapPosition);
+ // When applying paragraph styles dynamically, don't change the text objects' attributes
+ // since they will computed as needed. Only apply the character styling if it's _only_
+ // character styling. This policy is subject to change and might be put under user control.
- // Let's find the actual size of the current line now
- wxSize actualSize;
- wxRichTextRange actualRange(lastCompletedEndPos+1, wrapPosition);
- GetRangeSize(actualRange, actualSize, childDescent, dc, wxRICHTEXT_UNFORMATTED);
- currentWidth = actualSize.x;
- lineHeight = wxMax(lineHeight, actualSize.y);
- maxDescent = wxMax(childDescent, maxDescent);
+ // Hm. we might well be applying a mix of paragraph and character styles, in which
+ // case we _do_ want to apply character styles regardless of what para styles are set.
+ // But if we're applying a paragraph style, which has some character attributes, but
+ // we only want the paragraphs to hold this character style, then we _don't_ want to
+ // apply the character style. So we need to be able to choose.
- // Add a new line
- wxRichTextLine* line = AllocateLine(lineCount);
+ if (!parasOnly && (characterStyle|charactersOnly) && range.GetStart() != newPara->GetRange().GetEnd())
+ {
+ wxRichTextRange childRange(range);
+ childRange.LimitTo(newPara->GetRange());
- // Set relative range so we won't have to change line ranges when paragraphs are moved
- line->SetRange(wxRichTextRange(actualRange.GetStart() - GetRange().GetStart(), actualRange.GetEnd() - GetRange().GetStart()));
- line->SetPosition(currentPosition);
- line->SetSize(wxSize(currentWidth, lineHeight));
- line->SetDescent(maxDescent);
+ // Find the starting position and if necessary split it so
+ // we can start applying a different style.
+ // TODO: check that the style actually changes or is different
+ // from style outside of range
+ wxRichTextObject* firstObject wxDUMMY_INITIALIZE(NULL);
+ wxRichTextObject* lastObject wxDUMMY_INITIALIZE(NULL);
- // Now move down a line. TODO: add margins, spacing
- currentPosition.y += lineHeight;
- currentPosition.y += lineSpacing;
- currentWidth = 0;
- maxDescent = 0;
- maxWidth = wxMax(maxWidth, currentWidth);
+ if (childRange.GetStart() == newPara->GetRange().GetStart())
+ firstObject = newPara->GetChildren().GetFirst()->GetData();
+ else
+ firstObject = newPara->SplitAt(range.GetStart());
- lineCount ++;
+ // Increment by 1 because we're apply the style one _after_ the split point
+ long splitPoint = childRange.GetEnd();
+ if (splitPoint != newPara->GetRange().GetEnd())
+ splitPoint ++;
- // TODO: account for zero-length objects, such as fields
- wxASSERT(wrapPosition > lastCompletedEndPos);
+ // Find last object
+ if (splitPoint == newPara->GetRange().GetEnd())
+ lastObject = newPara->GetChildren().GetLast()->GetData();
+ else
+ // lastObject is set as a side-effect of splitting. It's
+ // returned as the object before the new object.
+ (void) newPara->SplitAt(splitPoint, & lastObject);
- lastEndPos = wrapPosition;
- lastCompletedEndPos = lastEndPos;
+ wxASSERT(firstObject != NULL);
+ wxASSERT(lastObject != NULL);
- lineHeight = 0;
+ if (!firstObject || !lastObject)
+ continue;
- // May need to set the node back to a previous one, due to searching back in wrapping
- wxRichTextObject* childAfterWrapPosition = FindObjectAtPosition(wrapPosition+1);
- if (childAfterWrapPosition)
- node = m_children.Find(childAfterWrapPosition);
- else
- node = node->GetNext();
- }
- else
- {
- // We still fit, so don't add a line, and keep going
- currentWidth += childSize.x;
- lineHeight = wxMax(lineHeight, childSize.y);
- maxDescent = wxMax(childDescent, maxDescent);
+ wxRichTextObjectList::compatibility_iterator firstNode = newPara->GetChildren().Find(firstObject);
+ wxRichTextObjectList::compatibility_iterator lastNode = newPara->GetChildren().Find(lastObject);
- maxWidth = wxMax(maxWidth, currentWidth);
- lastEndPos = child->GetRange().GetEnd();
+ wxASSERT(firstNode);
+ wxASSERT(lastNode);
- node = node->GetNext();
- }
- }
+ wxRichTextObjectList::compatibility_iterator node2 = firstNode;
- // Add the last line - it's the current pos -> last para pos
- // Substract -1 because the last position is always the end-paragraph position.
- if (lastCompletedEndPos <= GetRange().GetEnd()-1)
- {
- currentPosition.x = (lineCount == 0 ? startPositionFirstLine : startPositionSubsequentLines);
+ while (node2)
+ {
+ wxRichTextObject* child = node2->GetData();
- wxRichTextLine* line = AllocateLine(lineCount);
+ if (removeStyle)
+ {
+ // Removes the given style from the paragraph
+ wxRichTextRemoveStyle(child->GetAttributes(), style);
+ }
+ else if (resetExistingStyle)
+ {
+ // Preserve the URL as it's not really a formatting style but a property of the object
+ wxString url;
+ if (child->GetAttributes().HasURL() && !characterAttributes.HasURL())
+ url = child->GetAttributes().GetURL();
- wxRichTextRange actualRange(lastCompletedEndPos+1, GetRange().GetEnd()-1);
+ child->GetAttributes() = characterAttributes;
- // Set relative range so we won't have to change line ranges when paragraphs are moved
- line->SetRange(wxRichTextRange(actualRange.GetStart() - GetRange().GetStart(), actualRange.GetEnd() - GetRange().GetStart()));
+ if (!url.IsEmpty())
+ child->GetAttributes().SetURL(url);
+ }
+ else
+ {
+ if (applyMinimal)
+ {
+ // Only apply attributes that will make a difference to the combined
+ // style as seen on the display
+ wxRichTextAttr combinedAttr(newPara->GetCombinedAttributes(child->GetAttributes(), true));
+ wxRichTextApplyStyle(child->GetAttributes(), characterAttributes, & combinedAttr);
+ }
+ else
+ wxRichTextApplyStyle(child->GetAttributes(), characterAttributes);
+ }
- line->SetPosition(currentPosition);
+ if (node2 == lastNode)
+ break;
- if (lineHeight == 0 && GetBuffer())
- {
- wxFont font(GetBuffer()->GetFontTable().FindFont(attr));
- dc.SetFont(font);
- lineHeight = dc.GetCharHeight();
- }
- if (maxDescent == 0)
- {
- int w, h;
- dc.GetTextExtent(wxT("X"), & w, &h, & maxDescent);
+ node2 = node2->GetNext();
+ }
+ }
+ }
}
- line->SetSize(wxSize(currentWidth, lineHeight));
- line->SetDescent(maxDescent);
- currentPosition.y += lineHeight;
- currentPosition.y += lineSpacing;
- lineCount ++;
+ node = node->GetNext();
}
- // Remove remaining unused line objects, if any
- ClearUnusedLines(lineCount);
-
- // Apply styles to wrapped lines
- ApplyParagraphStyle(attr, rect);
-
- SetCachedSize(wxSize(maxWidth, currentPosition.y + spaceBeforePara + spaceAfterPara));
-
- m_dirty = false;
+ // Do action, or delay it until end of batch.
+ if (haveControl && withUndo)
+ buffer->SubmitAction(action);
return true;
}
-/// Apply paragraph styles, such as centering, to wrapped lines
-void wxRichTextParagraph::ApplyParagraphStyle(const wxTextAttr& attr, const wxRect& rect)
+// Just change the attributes for this single object.
+void wxRichTextParagraphLayoutBox::SetStyle(wxRichTextObject* obj, const wxRichTextAttr& textAttr, int flags)
{
- if (!attr.HasAlignment())
- return;
+ wxRichTextBuffer* buffer = GetBuffer();
+ bool withUndo = flags & wxRICHTEXT_SETSTYLE_WITH_UNDO;
+ bool resetExistingStyle = ((flags & wxRICHTEXT_SETSTYLE_RESET) != 0);
+ bool haveControl = (buffer->GetRichTextCtrl() != NULL);
- wxRichTextLineList::compatibility_iterator node = m_cachedLines.GetFirst();
- while (node)
+ wxRichTextAction *action = NULL;
+ wxRichTextAttr newAttr = obj->GetAttributes();
+ if (resetExistingStyle)
+ newAttr = textAttr;
+ else
+ newAttr.Apply(textAttr);
+
+ if (haveControl && withUndo)
{
- wxRichTextLine* line = node->GetData();
+ action = new wxRichTextAction(NULL, _("Change Object Style"), wxRICHTEXT_CHANGE_ATTRIBUTES, buffer, obj->GetContainer(), buffer->GetRichTextCtrl());
+ action->SetRange(obj->GetRange().FromInternal());
+ action->SetPosition(buffer->GetRichTextCtrl()->GetCaretPosition());
+ action->MakeObject(obj);
+
+ action->GetAttributes() = newAttr;
+ }
+ else
+ obj->GetAttributes() = newAttr;
- wxPoint pos = line->GetPosition();
- wxSize size = line->GetSize();
+ if (haveControl && withUndo)
+ buffer->SubmitAction(action);
+}
- // centering, right-justification
- if (attr.HasAlignment() && GetAttributes().GetAlignment() == wxTEXT_ALIGNMENT_CENTRE)
- {
- pos.x = (rect.GetWidth() - size.x)/2 + pos.x;
- line->SetPosition(pos);
- }
- else if (attr.HasAlignment() && GetAttributes().GetAlignment() == wxTEXT_ALIGNMENT_RIGHT)
- {
- pos.x = pos.x + rect.GetWidth() - size.x;
- line->SetPosition(pos);
- }
+/// Get the text attributes for this position.
+bool wxRichTextParagraphLayoutBox::GetStyle(long position, wxRichTextAttr& style)
+{
+ return DoGetStyle(position, style, true);
+}
- node = node->GetNext();
- }
+bool wxRichTextParagraphLayoutBox::GetUncombinedStyle(long position, wxRichTextAttr& style)
+{
+ return DoGetStyle(position, style, false);
}
-/// Insert text at the given position
-bool wxRichTextParagraph::InsertText(long pos, const wxString& text)
+/// Implementation helper for GetStyle. If combineStyles is true, combine base, paragraph and
+/// context attributes.
+bool wxRichTextParagraphLayoutBox::DoGetStyle(long position, wxRichTextAttr& style, bool combineStyles)
{
- wxRichTextObject* childToUse = NULL;
- wxRichTextObjectList::compatibility_iterator nodeToUse = wxRichTextObjectList::compatibility_iterator();
+ wxRichTextObject* obj wxDUMMY_INITIALIZE(NULL);
- wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
- while (node)
+ if (style.IsParagraphStyle())
{
- wxRichTextObject* child = node->GetData();
- if (child->GetRange().Contains(pos) && child->GetRange().GetLength() > 0)
+ obj = GetParagraphAtPosition(position);
+ if (obj)
{
- childToUse = child;
- nodeToUse = node;
- break;
- }
-
- node = node->GetNext();
- }
-
- if (childToUse)
- {
- wxRichTextPlainText* textObject = wxDynamicCast(childToUse, wxRichTextPlainText);
- if (textObject)
- {
- int posInString = pos - textObject->GetRange().GetStart();
-
- wxString newText = textObject->GetText().Mid(0, posInString) +
- text + textObject->GetText().Mid(posInString);
- textObject->SetText(newText);
-
- int textLength = text.length();
-
- textObject->SetRange(wxRichTextRange(textObject->GetRange().GetStart(),
- textObject->GetRange().GetEnd() + textLength));
-
- // Increment the end range of subsequent fragments in this paragraph.
- // We'll set the paragraph range itself at a higher level.
-
- wxRichTextObjectList::compatibility_iterator node = nodeToUse->GetNext();
- while (node)
+ if (combineStyles)
{
- wxRichTextObject* child = node->GetData();
- child->SetRange(wxRichTextRange(textObject->GetRange().GetStart() + textLength,
- textObject->GetRange().GetEnd() + textLength));
+ // Start with the base style
+ style = GetAttributes();
+ style.GetTextBoxAttr().Reset();
- node = node->GetNext();
+ // Apply the paragraph style
+ wxRichTextApplyStyle(style, obj->GetAttributes());
}
+ else
+ style = obj->GetAttributes();
return true;
}
- else
- {
- // TODO: if not a text object, insert at closest position, e.g. in front of it
- }
}
else
{
- // Add at end.
- // Don't pass parent initially to suppress auto-setting of parent range.
- // We'll do that at a higher level.
- wxRichTextPlainText* textObject = new wxRichTextPlainText(text, this);
+ obj = GetLeafObjectAtPosition(position);
+ if (obj)
+ {
+ if (combineStyles)
+ {
+ wxRichTextParagraph* para = wxDynamicCast(obj->GetParent(), wxRichTextParagraph);
+ style = para ? para->GetCombinedAttributes(obj->GetAttributes()) : obj->GetAttributes();
+ }
+ else
+ style = obj->GetAttributes();
- AppendChild(textObject);
- return true;
+ return true;
+ }
}
-
return false;
}
-void wxRichTextParagraph::Copy(const wxRichTextParagraph& obj)
+static bool wxHasStyle(long flags, long style)
{
- wxRichTextBox::Copy(obj);
+ return (flags & style) != 0;
}
-/// Clear the cached lines
-void wxRichTextParagraph::ClearLines()
+/// Combines 'style' with 'currentStyle' for the purpose of summarising the attributes of a range of
+/// content.
+bool wxRichTextParagraphLayoutBox::CollectStyle(wxRichTextAttr& currentStyle, const wxRichTextAttr& style, wxRichTextAttr& clashingAttr, wxRichTextAttr& absentAttr)
{
- WX_CLEAR_LIST(wxRichTextLineList, m_cachedLines);
+ currentStyle.CollectCommonAttributes(style, clashingAttr, absentAttr);
+
+ return true;
}
-/// Get/set the object size for the given range. Returns false if the range
-/// is invalid for this object.
-bool wxRichTextParagraph::GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, int flags, wxPoint position) const
+/// Get the combined style for a range - if any attribute is different within the range,
+/// that attribute is not present within the flags.
+/// *** Note that this is not recursive, and so assumes that content inside a paragraph is not itself
+/// nested.
+bool wxRichTextParagraphLayoutBox::GetStyleForRange(const wxRichTextRange& range, wxRichTextAttr& style)
{
- if (!range.IsWithin(GetRange()))
- return false;
+ style = wxRichTextAttr();
- if (flags & wxRICHTEXT_UNFORMATTED)
- {
- // Just use unformatted data, assume no line breaks
- // TODO: take into account line breaks
-
- wxSize sz;
+ wxRichTextAttr clashingAttrPara, clashingAttrChar;
+ wxRichTextAttr absentAttrPara, absentAttrChar;
- wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
- while (node)
+ wxRichTextObjectList::compatibility_iterator node = GetChildren().GetFirst();
+ while (node)
+ {
+ wxRichTextParagraph* para = wxDynamicCast(node->GetData(), wxRichTextParagraph);
+ if (para && !(para->GetRange().GetStart() > range.GetEnd() || para->GetRange().GetEnd() < range.GetStart()))
{
- wxRichTextObject* child = node->GetData();
- if (!child->GetRange().IsOutside(range))
+ if (para->GetChildren().GetCount() == 0)
{
- wxSize childSize;
-
- wxRichTextRange rangeToUse = range;
- rangeToUse.LimitTo(child->GetRange());
- int childDescent = 0;
+ wxRichTextAttr paraStyle = para->GetCombinedAttributes(true /* use box attributes */);
- if (child->GetRangeSize(rangeToUse, childSize, childDescent, dc, flags, wxPoint(position.x + sz.x, position.y)))
- {
- sz.y = wxMax(sz.y, childSize.y);
- sz.x += childSize.x;
- descent = wxMax(descent, childDescent);
- }
+ CollectStyle(style, paraStyle, clashingAttrPara, absentAttrPara);
}
+ else
+ {
+ wxRichTextRange paraRange(para->GetRange());
+ paraRange.LimitTo(range);
- node = node->GetNext();
- }
- size = sz;
- }
- else
- {
- // Use formatted data, with line breaks
- wxSize sz;
-
- // We're going to loop through each line, and then for each line,
- // call GetRangeSize for the fragment that comprises that line.
- // Only we have to do that multiple times within the line, because
- // the line may be broken into pieces. For now ignore line break commands
- // (so we can assume that getting the unformatted size for a fragment
- // within a line is the actual size)
+ // First collect paragraph attributes only
+ wxRichTextAttr paraStyle = para->GetCombinedAttributes();
+ paraStyle.SetFlags(paraStyle.GetFlags() & wxTEXT_ATTR_PARAGRAPH);
+ CollectStyle(style, paraStyle, clashingAttrPara, absentAttrPara);
- wxRichTextLineList::compatibility_iterator node = m_cachedLines.GetFirst();
- while (node)
- {
- wxRichTextLine* line = node->GetData();
- wxRichTextRange lineRange = line->GetAbsoluteRange();
- if (!lineRange.IsOutside(range))
- {
- wxSize lineSize;
+ wxRichTextObjectList::compatibility_iterator childNode = para->GetChildren().GetFirst();
- wxRichTextObjectList::compatibility_iterator node2 = m_children.GetFirst();
- while (node2)
+ while (childNode)
{
- wxRichTextObject* child = node2->GetData();
-
- if (!child->GetRange().IsOutside(lineRange))
+ wxRichTextObject* child = childNode->GetData();
+ if (!(child->GetRange().GetStart() > range.GetEnd() || child->GetRange().GetEnd() < range.GetStart()))
{
- wxRichTextRange rangeToUse = lineRange;
- rangeToUse.LimitTo(child->GetRange());
+ wxRichTextAttr childStyle = para->GetCombinedAttributes(child->GetAttributes(), true /* include box attributes */);
- wxSize childSize;
- int childDescent = 0;
- if (child->GetRangeSize(rangeToUse, childSize, childDescent, dc, flags, wxPoint(position.x + sz.x, position.y)))
- {
- lineSize.y = wxMax(lineSize.y, childSize.y);
- lineSize.x += childSize.x;
- }
- descent = wxMax(descent, childDescent);
+ // Now collect character attributes only
+ childStyle.SetFlags(childStyle.GetFlags() & wxTEXT_ATTR_CHARACTER);
+
+ CollectStyle(style, childStyle, clashingAttrChar, absentAttrChar);
}
- node2 = node2->GetNext();
+ childNode = childNode->GetNext();
}
-
- // Increase size by a line (TODO: paragraph spacing)
- sz.y += lineSize.y;
- sz.x = wxMax(sz.x, lineSize.x);
}
- node = node->GetNext();
}
- size = sz;
+ node = node->GetNext();
}
return true;
}
-/// Finds the absolute position and row height for the given character position
-bool wxRichTextParagraph::FindPosition(wxDC& dc, long index, wxPoint& pt, int* height, bool forceLineStart)
+/// Set default style
+bool wxRichTextParagraphLayoutBox::SetDefaultStyle(const wxRichTextAttr& style)
{
- if (index == -1)
- {
- wxRichTextLine* line = ((wxRichTextParagraphLayoutBox*)GetParent())->GetLineAtPosition(0);
- if (line)
- *height = line->GetSize().y;
- else
- *height = dc.GetCharHeight();
-
- // -1 means 'the start of the buffer'.
- pt = GetPosition();
- if (line)
- pt = pt + line->GetPosition();
+ m_defaultAttributes = style;
+ return true;
+}
- return true;
- }
+/// Test if this whole range has character attributes of the specified kind. If any
+/// of the attributes are different within the range, the test fails. You
+/// can use this to implement, for example, bold button updating. style must have
+/// flags indicating which attributes are of interest.
+bool wxRichTextParagraphLayoutBox::HasCharacterAttributes(const wxRichTextRange& range, const wxRichTextAttr& style) const
+{
+ int foundCount = 0;
+ int matchingCount = 0;
- // The final position in a paragraph is taken to mean the position
- // at the start of the next paragraph.
- if (index == GetRange().GetEnd())
+ wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
{
- wxRichTextParagraphLayoutBox* parent = wxDynamicCast(GetParent(), wxRichTextParagraphLayoutBox);
- wxASSERT( parent != NULL );
+ wxRichTextParagraph* para = wxDynamicCast(node->GetData(), wxRichTextParagraph);
+ // wxASSERT (para != NULL);
- // Find the height at the next paragraph, if any
- wxRichTextLine* line = parent->GetLineAtPosition(index + 1);
- if (line)
- {
- *height = line->GetSize().y;
- pt = line->GetAbsolutePosition();
- }
- else
+ if (para)
{
- *height = dc.GetCharHeight();
- int indent = ConvertTenthsMMToPixels(dc, m_attributes.GetLeftIndent());
- pt = wxPoint(indent, GetCachedSize().y);
- }
-
- return true;
- }
-
- if (index < GetRange().GetStart() || index > GetRange().GetEnd())
- return false;
+ // Stop searching if we're beyond the range of interest
+ if (para->GetRange().GetStart() > range.GetEnd())
+ return foundCount == matchingCount && foundCount != 0;
- wxRichTextLineList::compatibility_iterator node = m_cachedLines.GetFirst();
- while (node)
- {
- wxRichTextLine* line = node->GetData();
- wxRichTextRange lineRange = line->GetAbsoluteRange();
- if (index >= lineRange.GetStart() && index <= lineRange.GetEnd())
- {
- // If this is the last point in the line, and we're forcing the
- // returned value to be the start of the next line, do the required
- // thing.
- if (index == lineRange.GetEnd() && forceLineStart)
+ if (!para->GetRange().IsOutside(range))
{
- if (node->GetNext())
- {
- wxRichTextLine* nextLine = node->GetNext()->GetData();
- *height = nextLine->GetSize().y;
- pt = nextLine->GetAbsolutePosition();
- return true;
- }
- }
-
- pt.y = line->GetPosition().y + GetPosition().y;
+ wxRichTextObjectList::compatibility_iterator node2 = para->GetChildren().GetFirst();
- wxRichTextRange r(lineRange.GetStart(), index);
- wxSize rangeSize;
- int descent = 0;
+ while (node2)
+ {
+ wxRichTextObject* child = node2->GetData();
+ // Allow for empty string if no buffer
+ wxRichTextRange childRange = child->GetRange();
+ if (childRange.GetLength() == 0 && GetRange().GetLength() == 1)
+ childRange.SetEnd(childRange.GetEnd()+1);
- // We find the size of the line up to this point,
- // then we can add this size to the line start position and
- // paragraph start position to find the actual position.
+ if (!childRange.IsOutside(range) && wxDynamicCast(child, wxRichTextPlainText))
+ {
+ foundCount ++;
+ wxRichTextAttr textAttr = para->GetCombinedAttributes(child->GetAttributes());
- if (GetRangeSize(r, rangeSize, descent, dc, wxRICHTEXT_UNFORMATTED, line->GetPosition()+ GetPosition()))
- {
- pt.x = line->GetPosition().x + GetPosition().x + rangeSize.x;
- *height = line->GetSize().y;
+ if (textAttr.EqPartial(style, false /* strong test - attributes must be valid in both objects */))
+ matchingCount ++;
+ }
- return true;
+ node2 = node2->GetNext();
+ }
}
-
}
node = node->GetNext();
}
- return false;
+ return foundCount == matchingCount && foundCount != 0;
}
-/// Hit-testing: returns a flag indicating hit test details, plus
-/// information about position
-int wxRichTextParagraph::HitTest(wxDC& dc, const wxPoint& pt, long& textPosition)
+/// Test if this whole range has paragraph attributes of the specified kind. If any
+/// of the attributes are different within the range, the test fails. You
+/// can use this to implement, for example, centering button updating. style must have
+/// flags indicating which attributes are of interest.
+bool wxRichTextParagraphLayoutBox::HasParagraphAttributes(const wxRichTextRange& range, const wxRichTextAttr& style) const
{
- wxPoint paraPos = GetPosition();
+ int foundCount = 0;
+ int matchingCount = 0;
- wxRichTextLineList::compatibility_iterator node = m_cachedLines.GetFirst();
+ wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
while (node)
{
- wxRichTextLine* line = node->GetData();
- wxPoint linePos = paraPos + line->GetPosition();
- wxSize lineSize = line->GetSize();
- wxRichTextRange lineRange = line->GetAbsoluteRange();
+ wxRichTextParagraph* para = wxDynamicCast(node->GetData(), wxRichTextParagraph);
+ // wxASSERT (para != NULL);
- if (pt.y >= linePos.y && pt.y <= linePos.y + lineSize.y)
+ if (para)
{
- if (pt.x < linePos.x)
- {
- textPosition = lineRange.GetStart();
- return wxRICHTEXT_HITTEST_BEFORE|wxRICHTEXT_HITTEST_OUTSIDE;
- }
- else if (pt.x >= (linePos.x + lineSize.x))
- {
- textPosition = lineRange.GetEnd();
- return wxRICHTEXT_HITTEST_AFTER|wxRICHTEXT_HITTEST_OUTSIDE;
- }
- else
- {
- long i;
- int lastX = linePos.x;
- for (i = lineRange.GetStart(); i <= lineRange.GetEnd(); i++)
- {
- wxSize childSize;
- int descent = 0;
-
- wxRichTextRange rangeToUse(lineRange.GetStart(), i);
-
- GetRangeSize(rangeToUse, childSize, descent, dc, wxRICHTEXT_UNFORMATTED, linePos);
-
- int nextX = childSize.x + linePos.x;
-
- if (pt.x >= lastX && pt.x <= nextX)
- {
- textPosition = i;
+ // Stop searching if we're beyond the range of interest
+ if (para->GetRange().GetStart() > range.GetEnd())
+ return foundCount == matchingCount && foundCount != 0;
- // So now we know it's between i-1 and i.
- // Let's see if we can be more precise about
- // which side of the position it's on.
+ if (!para->GetRange().IsOutside(range))
+ {
+ wxRichTextAttr textAttr = GetAttributes();
+ // Apply the paragraph style
+ wxRichTextApplyStyle(textAttr, para->GetAttributes());
- int midPoint = (nextX - lastX)/2 + lastX;
- if (pt.x >= midPoint)
- return wxRICHTEXT_HITTEST_AFTER;
- else
- return wxRICHTEXT_HITTEST_BEFORE;
- }
- else
- {
- lastX = nextX;
- }
- }
+ foundCount ++;
+ if (textAttr.EqPartial(style, false /* strong test */))
+ matchingCount ++;
}
}
node = node->GetNext();
}
+ return foundCount == matchingCount && foundCount != 0;
+}
- return wxRICHTEXT_HITTEST_NONE;
+void wxRichTextParagraphLayoutBox::PrepareContent(wxRichTextParagraphLayoutBox& container)
+{
+ wxRichTextBuffer* buffer = GetBuffer();
+ if (buffer && buffer->GetRichTextCtrl())
+ buffer->GetRichTextCtrl()->PrepareContent(container);
}
-/// Split an object at this position if necessary, and return
-/// the previous object, or NULL if inserting at beginning.
-wxRichTextObject* wxRichTextParagraph::SplitAt(long pos, wxRichTextObject** previousObject)
+/// Set character or paragraph properties
+bool wxRichTextParagraphLayoutBox::SetProperties(const wxRichTextRange& range, const wxRichTextProperties& properties, int flags)
{
+ wxRichTextBuffer* buffer = GetBuffer();
+
+ bool withUndo = ((flags & wxRICHTEXT_SETPROPERTIES_WITH_UNDO) != 0);
+ bool parasOnly = ((flags & wxRICHTEXT_SETPROPERTIES_PARAGRAPHS_ONLY) != 0);
+ bool charactersOnly = ((flags & wxRICHTEXT_SETPROPERTIES_CHARACTERS_ONLY) != 0);
+ bool resetExistingProperties = ((flags & wxRICHTEXT_SETPROPERTIES_RESET) != 0);
+ bool removeProperties = ((flags & wxRICHTEXT_SETPROPERTIES_REMOVE) != 0);
+
+ // If we are associated with a control, make undoable; otherwise, apply immediately
+ // to the data.
+
+ bool haveControl = (buffer->GetRichTextCtrl() != NULL);
+
+ wxRichTextAction* action = NULL;
+
+ if (haveControl && withUndo)
+ {
+ action = new wxRichTextAction(NULL, _("Change Properties"), wxRICHTEXT_CHANGE_PROPERTIES, buffer, this, buffer->GetRichTextCtrl());
+ action->SetRange(range);
+ action->SetPosition(buffer->GetRichTextCtrl()->GetCaretPosition());
+ }
+
wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
while (node)
{
- wxRichTextObject* child = node->GetData();
+ wxRichTextParagraph* para = wxDynamicCast(node->GetData(), wxRichTextParagraph);
+ // wxASSERT (para != NULL);
- if (pos == child->GetRange().GetStart())
+ if (para && para->GetChildCount() > 0)
{
- if (previousObject)
+ // Stop searching if we're beyond the range of interest
+ if (para->GetRange().GetStart() > range.GetEnd())
+ break;
+
+ if (!para->GetRange().IsOutside(range))
{
- if (node->GetPrevious())
- *previousObject = node->GetPrevious()->GetData();
+ // We'll be using a copy of the paragraph to make style changes,
+ // not updating the buffer directly.
+ wxRichTextParagraph* newPara wxDUMMY_INITIALIZE(NULL);
+
+ if (haveControl && withUndo)
+ {
+ newPara = new wxRichTextParagraph(*para);
+ action->GetNewParagraphs().AppendChild(newPara);
+
+ // Also store the old ones for Undo
+ action->GetOldParagraphs().AppendChild(new wxRichTextParagraph(*para));
+ }
else
- *previousObject = NULL;
- }
+ newPara = para;
- return child;
- }
+ if (parasOnly)
+ {
+ if (removeProperties)
+ {
+ // Removes the given style from the paragraph
+ // TODO
+ newPara->GetProperties().RemoveProperties(properties);
+ }
+ else if (resetExistingProperties)
+ newPara->GetProperties() = properties;
+ else
+ newPara->GetProperties().MergeProperties(properties);
+ }
- if (child->GetRange().Contains(pos))
- {
- // This should create a new object, transferring part of
- // the content to the old object and the rest to the new object.
- wxRichTextObject* newObject = child->DoSplit(pos);
+ // When applying paragraph styles dynamically, don't change the text objects' attributes
+ // since they will computed as needed. Only apply the character styling if it's _only_
+ // character styling. This policy is subject to change and might be put under user control.
- // If we couldn't split this object, just insert in front of it.
- if (!newObject)
- {
- // Maybe this is an empty string, try the next one
- // return child;
- }
- else
- {
- // Insert the new object after 'child'
- if (node->GetNext())
- m_children.Insert(node->GetNext(), newObject);
- else
- m_children.Append(newObject);
- newObject->SetParent(this);
+ // Hm. we might well be applying a mix of paragraph and character styles, in which
+ // case we _do_ want to apply character styles regardless of what para styles are set.
+ // But if we're applying a paragraph style, which has some character attributes, but
+ // we only want the paragraphs to hold this character style, then we _don't_ want to
+ // apply the character style. So we need to be able to choose.
- if (previousObject)
- *previousObject = child;
+ if (!parasOnly && charactersOnly && range.GetStart() != newPara->GetRange().GetEnd())
+ {
+ wxRichTextRange childRange(range);
+ childRange.LimitTo(newPara->GetRange());
- return newObject;
+ // Find the starting position and if necessary split it so
+ // we can start applying different properties.
+ // TODO: check that the properties actually change or are different
+ // from properties outside of range
+ wxRichTextObject* firstObject wxDUMMY_INITIALIZE(NULL);
+ wxRichTextObject* lastObject wxDUMMY_INITIALIZE(NULL);
+
+ if (childRange.GetStart() == newPara->GetRange().GetStart())
+ firstObject = newPara->GetChildren().GetFirst()->GetData();
+ else
+ firstObject = newPara->SplitAt(range.GetStart());
+
+ // Increment by 1 because we're apply the style one _after_ the split point
+ long splitPoint = childRange.GetEnd();
+ if (splitPoint != newPara->GetRange().GetEnd())
+ splitPoint ++;
+
+ // Find last object
+ if (splitPoint == newPara->GetRange().GetEnd())
+ lastObject = newPara->GetChildren().GetLast()->GetData();
+ else
+ // lastObject is set as a side-effect of splitting. It's
+ // returned as the object before the new object.
+ (void) newPara->SplitAt(splitPoint, & lastObject);
+
+ wxASSERT(firstObject != NULL);
+ wxASSERT(lastObject != NULL);
+
+ if (!firstObject || !lastObject)
+ continue;
+
+ wxRichTextObjectList::compatibility_iterator firstNode = newPara->GetChildren().Find(firstObject);
+ wxRichTextObjectList::compatibility_iterator lastNode = newPara->GetChildren().Find(lastObject);
+
+ wxASSERT(firstNode);
+ wxASSERT(lastNode);
+
+ wxRichTextObjectList::compatibility_iterator node2 = firstNode;
+
+ while (node2)
+ {
+ wxRichTextObject* child = node2->GetData();
+
+ if (removeProperties)
+ {
+ // Removes the given properties from the paragraph
+ child->GetProperties().RemoveProperties(properties);
+ }
+ else if (resetExistingProperties)
+ child->GetProperties() = properties;
+ else
+ {
+ child->GetProperties().MergeProperties(properties);
+ }
+
+ if (node2 == lastNode)
+ break;
+
+ node2 = node2->GetNext();
+ }
+ }
}
}
node = node->GetNext();
}
- if (previousObject)
- *previousObject = NULL;
- return NULL;
+
+ // Do action, or delay it until end of batch.
+ if (haveControl && withUndo)
+ buffer->SubmitAction(action);
+
+ return true;
}
-/// Move content to a list from obj on
-void wxRichTextParagraph::MoveToList(wxRichTextObject* obj, wxList& list)
+void wxRichTextParagraphLayoutBox::Reset()
{
- wxRichTextObjectList::compatibility_iterator node = m_children.Find(obj);
- while (node)
+ Clear();
+
+ wxRichTextBuffer* buffer = GetBuffer();
+ if (buffer && buffer->GetRichTextCtrl())
{
- wxRichTextObject* child = node->GetData();
- list.Append(child);
+ wxRichTextEvent event(wxEVT_RICHTEXT_BUFFER_RESET, buffer->GetRichTextCtrl()->GetId());
+ event.SetEventObject(buffer->GetRichTextCtrl());
+ event.SetContainer(this);
- wxRichTextObjectList::compatibility_iterator oldNode = node;
+ buffer->SendEvent(event, true);
+ }
- node = node->GetNext();
+ AddParagraph(wxEmptyString);
- m_children.DeleteNode(oldNode);
- }
-}
+ PrepareContent(*this);
-/// Add content back from list
-void wxRichTextParagraph::MoveFromList(wxList& list)
-{
- for (wxList::compatibility_iterator node = list.GetFirst(); node; node = node->GetNext())
- {
- AppendChild((wxRichTextObject*) node->GetData());
- }
+ InvalidateHierarchy(wxRICHTEXT_ALL);
}
-/// Calculate range
-void wxRichTextParagraph::CalculateRange(long start, long& end)
+/// Invalidate the buffer. With no argument, invalidates whole buffer.
+void wxRichTextParagraphLayoutBox::Invalidate(const wxRichTextRange& invalidRange)
{
- wxRichTextCompositeObject::CalculateRange(start, end);
-
- // Add one for end of paragraph
- end ++;
+ wxRichTextCompositeObject::Invalidate(invalidRange);
- m_range.SetRange(start, end);
+ DoInvalidate(invalidRange);
}
-/// Find the object at the given position
-wxRichTextObject* wxRichTextParagraph::FindObjectAtPosition(long position)
+// Do the (in)validation for this object only
+void wxRichTextParagraphLayoutBox::DoInvalidate(const wxRichTextRange& invalidRange)
{
- wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
- while (node)
+ if (invalidRange == wxRICHTEXT_ALL)
{
- wxRichTextObject* obj = node->GetData();
- if (obj->GetRange().Contains(position))
- return obj;
-
- node = node->GetNext();
+ m_invalidRange = wxRICHTEXT_ALL;
+ }
+ // Already invalidating everything
+ else if (m_invalidRange == wxRICHTEXT_ALL)
+ {
+ }
+ else
+ {
+ if ((invalidRange.GetStart() < m_invalidRange.GetStart()) || m_invalidRange.GetStart() == -1)
+ m_invalidRange.SetStart(invalidRange.GetStart());
+ if (invalidRange.GetEnd() > m_invalidRange.GetEnd())
+ m_invalidRange.SetEnd(invalidRange.GetEnd());
}
- return NULL;
}
-/// Get the plain text searching from the start or end of the range.
-/// The resulting string may be shorter than the range given.
-bool wxRichTextParagraph::GetContiguousPlainText(wxString& text, const wxRichTextRange& range, bool fromStart)
+// Do the (in)validation both up and down the hierarchy
+void wxRichTextParagraphLayoutBox::InvalidateHierarchy(const wxRichTextRange& invalidRange)
{
- text = wxEmptyString;
+ Invalidate(invalidRange);
- if (fromStart)
+ if (invalidRange != wxRICHTEXT_NONE)
{
- wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
- while (node)
+ // Now go up the hierarchy
+ wxRichTextObject* thisObj = this;
+ wxRichTextObject* p = GetParent();
+ while (p)
{
- wxRichTextObject* obj = node->GetData();
- if (!obj->GetRange().IsOutside(range))
- {
- wxRichTextPlainText* textObj = wxDynamicCast(obj, wxRichTextPlainText);
- if (textObj)
- {
- text += textObj->GetTextForRange(range);
- }
- else
- return true;
- }
+ wxRichTextParagraphLayoutBox* l = wxDynamicCast(p, wxRichTextParagraphLayoutBox);
+ if (l)
+ l->DoInvalidate(thisObj->GetRange());
- node = node->GetNext();
+ thisObj = p;
+ p = p->GetParent();
}
}
- else
+}
+
+/// Get invalid range, rounding to entire paragraphs if argument is true.
+wxRichTextRange wxRichTextParagraphLayoutBox::GetInvalidRange(bool wholeParagraphs) const
+{
+ if (m_invalidRange == wxRICHTEXT_ALL || m_invalidRange == wxRICHTEXT_NONE)
+ return m_invalidRange;
+
+ wxRichTextRange range = m_invalidRange;
+
+ if (wholeParagraphs)
{
- wxRichTextObjectList::compatibility_iterator node = m_children.GetLast();
- while (node)
- {
- wxRichTextObject* obj = node->GetData();
- if (!obj->GetRange().IsOutside(range))
- {
- wxRichTextPlainText* textObj = wxDynamicCast(obj, wxRichTextPlainText);
- if (textObj)
- {
- text = textObj->GetTextForRange(range) + text;
- }
- else
- return true;
- }
+ wxRichTextParagraph* para1 = GetParagraphAtPosition(range.GetStart());
+ if (para1)
+ range.SetStart(para1->GetRange().GetStart());
- node = node->GetPrevious();
+ // FIXME: be more intelligent about this. Check if we have floating objects
+ // before the end of the range. But it's not clear how we can in general
+ // tell where it's safe to stop laying out.
+ // Anyway, this code is central to efficiency when laying in floating mode.
+ if (!wxRichTextBuffer::GetFloatingLayoutMode())
+ {
+ wxRichTextParagraph* para2 = GetParagraphAtPosition(range.GetEnd());
+ if (para2)
+ range.SetEnd(para2->GetRange().GetEnd());
}
+ else
+ // Floating layout means that all children should be laid out,
+ // because we can't tell how the whole buffer will be affected.
+ range.SetEnd(GetOwnRange().GetEnd());
}
-
- return true;
+ return range;
}
-/// Find a suitable wrap position.
-bool wxRichTextParagraph::FindWrapPosition(const wxRichTextRange& range, wxDC& dc, int availableSpace, long& wrapPosition)
+/// Apply the style sheet to the buffer, for example if the styles have changed.
+bool wxRichTextParagraphLayoutBox::ApplyStyleSheet(wxRichTextStyleSheet* styleSheet)
{
- // Find the first position where the line exceeds the available space.
- wxSize sz;
- long i;
- long breakPosition = range.GetEnd();
- for (i = range.GetStart(); i <= range.GetEnd(); i++)
- {
- int descent = 0;
- GetRangeSize(wxRichTextRange(range.GetStart(), i), sz, descent, dc, wxRICHTEXT_UNFORMATTED);
+ wxASSERT(styleSheet != NULL);
+ if (!styleSheet)
+ return false;
+
+ int foundCount = 0;
- if (sz.x > availableSpace)
+ wxRichTextAttr attr(GetBasicStyle());
+ if (GetBasicStyle().HasParagraphStyleName())
+ {
+ wxRichTextParagraphStyleDefinition* paraDef = styleSheet->FindParagraphStyle(GetBasicStyle().GetParagraphStyleName());
+ if (paraDef)
{
- breakPosition = i-1;
- break;
+ attr.Apply(paraDef->GetStyleMergedWithBase(styleSheet));
+ SetBasicStyle(attr);
+ foundCount ++;
}
}
- // Now we know the last position on the line.
- // Let's try to find a word break.
-
- wxString plainText;
- if (GetContiguousPlainText(plainText, wxRichTextRange(range.GetStart(), breakPosition), false))
+ if (GetBasicStyle().HasCharacterStyleName())
{
- int newLinePos = plainText.Find(wxRichTextLineBreakChar);
- if (newLinePos != wxNOT_FOUND)
+ wxRichTextCharacterStyleDefinition* charDef = styleSheet->FindCharacterStyle(GetBasicStyle().GetCharacterStyleName());
+ if (charDef)
{
- breakPosition = wxMax(0, range.GetStart() + newLinePos);
+ attr.Apply(charDef->GetStyleMergedWithBase(styleSheet));
+ SetBasicStyle(attr);
+ foundCount ++;
}
- else
+ }
+
+ wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
+ {
+ wxRichTextParagraph* para = wxDynamicCast(node->GetData(), wxRichTextParagraph);
+ // wxASSERT (para != NULL);
+
+ if (para)
{
- int spacePos = plainText.Find(wxT(' '), true);
- int tabPos = plainText.Find(wxT('\t'), true);
- int pos = wxMax(spacePos, tabPos);
- if (pos != wxNOT_FOUND)
+ // Combine paragraph and list styles. If there is a list style in the original attributes,
+ // the current indentation overrides anything else and is used to find the item indentation.
+ // Also, for applying paragraph styles, consider having 2 modes: (1) we merge with what we have,
+ // thereby taking into account all user changes, (2) reset the style completely (except for indentation/list
+ // exception as above).
+ // Problem: when changing from one list style to another, there's a danger that the level info will get lost.
+ // So when changing a list style interactively, could retrieve level based on current style, then
+ // set appropriate indent and apply new style.
+
+ int outline = -1;
+ int num = -1;
+ if (para->GetAttributes().HasOutlineLevel())
+ outline = para->GetAttributes().GetOutlineLevel();
+ if (para->GetAttributes().HasBulletNumber())
+ num = para->GetAttributes().GetBulletNumber();
+
+ if (!para->GetAttributes().GetParagraphStyleName().IsEmpty() && !para->GetAttributes().GetListStyleName().IsEmpty())
{
- int positionsFromEndOfString = plainText.length() - pos - 1;
- breakPosition = breakPosition - positionsFromEndOfString;
+ int currentIndent = para->GetAttributes().GetLeftIndent();
+
+ wxRichTextParagraphStyleDefinition* paraDef = styleSheet->FindParagraphStyle(para->GetAttributes().GetParagraphStyleName());
+ wxRichTextListStyleDefinition* listDef = styleSheet->FindListStyle(para->GetAttributes().GetListStyleName());
+ if (paraDef && !listDef)
+ {
+ para->GetAttributes() = paraDef->GetStyleMergedWithBase(styleSheet);
+ foundCount ++;
+ }
+ else if (listDef && !paraDef)
+ {
+ // Set overall style defined for the list style definition
+ para->GetAttributes() = listDef->GetStyleMergedWithBase(styleSheet);
+
+ // Apply the style for this level
+ wxRichTextApplyStyle(para->GetAttributes(), * listDef->GetLevelAttributes(listDef->FindLevelForIndent(currentIndent)));
+ foundCount ++;
+ }
+ else if (listDef && paraDef)
+ {
+ // Combines overall list style, style for level, and paragraph style
+ para->GetAttributes() = listDef->CombineWithParagraphStyle(currentIndent, paraDef->GetStyleMergedWithBase(styleSheet));
+ foundCount ++;
+ }
}
- }
- }
+ else if (para->GetAttributes().GetParagraphStyleName().IsEmpty() && !para->GetAttributes().GetListStyleName().IsEmpty())
+ {
+ int currentIndent = para->GetAttributes().GetLeftIndent();
- wrapPosition = breakPosition;
+ wxRichTextListStyleDefinition* listDef = styleSheet->FindListStyle(para->GetAttributes().GetListStyleName());
- return true;
+ // Overall list definition style
+ para->GetAttributes() = listDef->GetStyleMergedWithBase(styleSheet);
+
+ // Style for this level
+ wxRichTextApplyStyle(para->GetAttributes(), * listDef->GetLevelAttributes(listDef->FindLevelForIndent(currentIndent)));
+
+ foundCount ++;
+ }
+ else if (!para->GetAttributes().GetParagraphStyleName().IsEmpty() && para->GetAttributes().GetListStyleName().IsEmpty())
+ {
+ wxRichTextParagraphStyleDefinition* def = styleSheet->FindParagraphStyle(para->GetAttributes().GetParagraphStyleName());
+ if (def)
+ {
+ para->GetAttributes() = def->GetStyleMergedWithBase(styleSheet);
+ foundCount ++;
+ }
+ }
+
+ if (outline != -1)
+ para->GetAttributes().SetOutlineLevel(outline);
+ if (num != -1)
+ para->GetAttributes().SetBulletNumber(num);
+ }
+
+ node = node->GetNext();
+ }
+ return foundCount != 0;
}
-/// Get the bullet text for this paragraph.
-wxString wxRichTextParagraph::GetBulletText()
+/// Set list style
+bool wxRichTextParagraphLayoutBox::SetListStyle(const wxRichTextRange& range, wxRichTextListStyleDefinition* def, int flags, int startFrom, int specifiedLevel)
{
- if (GetAttributes().GetBulletStyle() == wxTEXT_ATTR_BULLET_STYLE_NONE ||
- (GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_BITMAP))
- return wxEmptyString;
+ wxRichTextBuffer* buffer = GetBuffer();
+ wxRichTextStyleSheet* styleSheet = buffer->GetStyleSheet();
- int number = GetAttributes().GetBulletNumber();
+ bool withUndo = ((flags & wxRICHTEXT_SETSTYLE_WITH_UNDO) != 0);
+ // bool applyMinimal = ((flags & wxRICHTEXT_SETSTYLE_OPTIMIZE) != 0);
+ bool specifyLevel = ((flags & wxRICHTEXT_SETSTYLE_SPECIFY_LEVEL) != 0);
+ bool renumber = ((flags & wxRICHTEXT_SETSTYLE_RENUMBER) != 0);
- wxString text;
- if ((GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_ARABIC) || (GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_OUTLINE))
- {
- text.Printf(wxT("%d"), number);
- }
- else if (GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_LETTERS_UPPER)
- {
- // TODO: Unicode, and also check if number > 26
- text.Printf(wxT("%c"), (wxChar) (number+64));
- }
- else if (GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_LETTERS_LOWER)
- {
- // TODO: Unicode, and also check if number > 26
- text.Printf(wxT("%c"), (wxChar) (number+96));
- }
- else if (GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_ROMAN_UPPER)
- {
- text = wxRichTextDecimalToRoman(number);
- }
- else if (GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_ROMAN_LOWER)
- {
- text = wxRichTextDecimalToRoman(number);
- text.MakeLower();
- }
- else if (GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_SYMBOL)
- {
- text = GetAttributes().GetBulletText();
- }
+ // Current number, if numbering
+ int n = startFrom;
- if (GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_OUTLINE)
- {
- // The outline style relies on the text being computed statically,
- // since it depends on other levels points (e.g. 1.2.1.1). So normally the bullet text
- // should be stored in the attributes; if not, just use the number for this
- // level, as previously computed.
- if (!GetAttributes().GetBulletText().IsEmpty())
- text = GetAttributes().GetBulletText();
- }
+ wxASSERT (!specifyLevel || (specifyLevel && (specifiedLevel >= 0)));
- if (GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_PARENTHESES)
- {
- text = wxT("(") + text + wxT(")");
- }
- else if (GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_RIGHT_PARENTHESIS)
- {
- text = text + wxT(")");
- }
+ // If we are associated with a control, make undoable; otherwise, apply immediately
+ // to the data.
- if (GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_PERIOD)
- {
- text += wxT(".");
- }
+ bool haveControl = (buffer->GetRichTextCtrl() != NULL);
- return text;
-}
+ wxRichTextAction* action = NULL;
-/// Allocate or reuse a line object
-wxRichTextLine* wxRichTextParagraph::AllocateLine(int pos)
-{
- if (pos < (int) m_cachedLines.GetCount())
- {
- wxRichTextLine* line = m_cachedLines.Item(pos)->GetData();
- line->Init(this);
- return line;
- }
- else
+ if (haveControl && withUndo)
{
- wxRichTextLine* line = new wxRichTextLine(this);
- m_cachedLines.Append(line);
- return line;
+ action = new wxRichTextAction(NULL, _("Change List Style"), wxRICHTEXT_CHANGE_STYLE, buffer, this, buffer->GetRichTextCtrl());
+ action->SetRange(range);
+ action->SetPosition(buffer->GetRichTextCtrl()->GetCaretPosition());
}
-}
-/// Clear remaining unused line objects, if any
-bool wxRichTextParagraph::ClearUnusedLines(int lineCount)
-{
- int cachedLineCount = m_cachedLines.GetCount();
- if ((int) cachedLineCount > lineCount)
+ wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
{
- for (int i = 0; i < (int) (cachedLineCount - lineCount); i ++)
+ wxRichTextParagraph* para = wxDynamicCast(node->GetData(), wxRichTextParagraph);
+ // wxASSERT (para != NULL);
+
+ if (para && para->GetChildCount() > 0)
{
- wxRichTextLineList::compatibility_iterator node = m_cachedLines.GetLast();
- wxRichTextLine* line = node->GetData();
- m_cachedLines.Erase(node);
- delete line;
- }
- }
- return true;
-}
+ // Stop searching if we're beyond the range of interest
+ if (para->GetRange().GetStart() > range.GetEnd())
+ break;
-/// Get combined attributes of the base style, paragraph style and character style. We use this to dynamically
-/// retrieve the actual style.
-wxTextAttr wxRichTextParagraph::GetCombinedAttributes(const wxTextAttr& contentStyle) const
-{
- wxTextAttr attr;
- wxRichTextBuffer* buf = wxDynamicCast(GetParent(), wxRichTextBuffer);
- if (buf)
- {
- attr = buf->GetBasicStyle();
- wxRichTextApplyStyle(attr, GetAttributes());
- }
- else
- attr = GetAttributes();
+ if (!para->GetRange().IsOutside(range))
+ {
+ // We'll be using a copy of the paragraph to make style changes,
+ // not updating the buffer directly.
+ wxRichTextParagraph* newPara wxDUMMY_INITIALIZE(NULL);
- wxRichTextApplyStyle(attr, contentStyle);
- return attr;
-}
+ if (haveControl && withUndo)
+ {
+ newPara = new wxRichTextParagraph(*para);
+ action->GetNewParagraphs().AppendChild(newPara);
-/// Get combined attributes of the base style and paragraph style.
-wxTextAttr wxRichTextParagraph::GetCombinedAttributes() const
-{
- wxTextAttr attr;
- wxRichTextBuffer* buf = wxDynamicCast(GetParent(), wxRichTextBuffer);
- if (buf)
- {
- attr = buf->GetBasicStyle();
- wxRichTextApplyStyle(attr, GetAttributes());
- }
- else
- attr = GetAttributes();
+ // Also store the old ones for Undo
+ action->GetOldParagraphs().AppendChild(new wxRichTextParagraph(*para));
+ }
+ else
+ newPara = para;
- return attr;
-}
+ if (def)
+ {
+ int thisIndent = newPara->GetAttributes().GetLeftIndent();
+ int thisLevel = specifyLevel ? specifiedLevel : def->FindLevelForIndent(thisIndent);
-/// Create default tabstop array
-void wxRichTextParagraph::InitDefaultTabs()
-{
- // create a default tab list at 10 mm each.
- for (int i = 0; i < 20; ++i)
- {
- sm_defaultTabs.Add(i*100);
- }
-}
+ // How is numbering going to work?
+ // If we are renumbering, or numbering for the first time, we need to keep
+ // track of the number for each level. But we might be simply applying a different
+ // list style.
+ // In Word, applying a style to several paragraphs, even if at different levels,
+ // reverts the level back to the same one. So we could do the same here.
+ // Renumbering will need to be done when we promote/demote a paragraph.
-/// Clear default tabstop array
-void wxRichTextParagraph::ClearDefaultTabs()
-{
- sm_defaultTabs.Clear();
-}
+ // Apply the overall list style, and item style for this level
+ wxRichTextAttr listStyle(def->GetCombinedStyleForLevel(thisLevel, styleSheet));
+ wxRichTextApplyStyle(newPara->GetAttributes(), listStyle);
-/// Get the first position from pos that has a line break character.
-long wxRichTextParagraph::GetFirstLineBreakPosition(long pos)
-{
- wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
- while (node)
- {
- wxRichTextObject* obj = node->GetData();
- if (pos >= obj->GetRange().GetStart() && pos <= obj->GetRange().GetEnd())
- {
- wxRichTextPlainText* textObj = wxDynamicCast(obj, wxRichTextPlainText);
- if (textObj)
- {
- long breakPos = textObj->GetFirstLineBreakPosition(pos);
- if (breakPos > -1)
- return breakPos;
+ // Now we need to do numbering
+ // Preserve the existing list item continuation bullet style, if any
+ if (para->GetAttributes().HasBulletStyle() && (para->GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_CONTINUATION))
+ newPara->GetAttributes().SetBulletStyle(newPara->GetAttributes().GetBulletStyle()|wxTEXT_ATTR_BULLET_STYLE_CONTINUATION);
+ else
+ {
+ if (renumber)
+ {
+ newPara->GetAttributes().SetBulletNumber(n);
+ }
+
+ n ++;
+ }
+ }
+ else if (!newPara->GetAttributes().GetListStyleName().IsEmpty())
+ {
+ // if def is NULL, remove list style, applying any associated paragraph style
+ // to restore the attributes
+
+ newPara->GetAttributes().SetListStyleName(wxEmptyString);
+ newPara->GetAttributes().SetLeftIndent(0, 0);
+ newPara->GetAttributes().SetBulletText(wxEmptyString);
+ newPara->GetAttributes().SetBulletStyle(0);
+
+ // Eliminate the main list-related attributes
+ newPara->GetAttributes().SetFlags(newPara->GetAttributes().GetFlags() & ~wxTEXT_ATTR_LEFT_INDENT & ~wxTEXT_ATTR_BULLET_STYLE & ~wxTEXT_ATTR_BULLET_NUMBER & ~wxTEXT_ATTR_BULLET_TEXT & wxTEXT_ATTR_LIST_STYLE_NAME);
+
+ if (styleSheet && !newPara->GetAttributes().GetParagraphStyleName().IsEmpty())
+ {
+ wxRichTextParagraphStyleDefinition* def = styleSheet->FindParagraphStyle(newPara->GetAttributes().GetParagraphStyleName());
+ if (def)
+ {
+ newPara->GetAttributes() = def->GetStyleMergedWithBase(styleSheet);
+ }
+ }
+ }
}
}
+
node = node->GetNext();
}
- return -1;
-}
-/*!
- * wxRichTextLine
- * This object represents a line in a paragraph, and stores
- * offsets from the start of the paragraph representing the
- * start and end positions of the line.
- */
+ // Do action, or delay it until end of batch.
+ if (haveControl && withUndo)
+ buffer->SubmitAction(action);
-wxRichTextLine::wxRichTextLine(wxRichTextParagraph* parent)
-{
- Init(parent);
+ return true;
}
-/// Initialisation
-void wxRichTextLine::Init(wxRichTextParagraph* parent)
+bool wxRichTextParagraphLayoutBox::SetListStyle(const wxRichTextRange& range, const wxString& defName, int flags, int startFrom, int specifiedLevel)
{
- m_parent = parent;
- m_range.SetRange(-1, -1);
- m_pos = wxPoint(0, 0);
- m_size = wxSize(0, 0);
- m_descent = 0;
+ wxRichTextBuffer* buffer = GetBuffer();
+ if (buffer && buffer->GetStyleSheet())
+ {
+ wxRichTextListStyleDefinition* def = buffer->GetStyleSheet()->FindListStyle(defName);
+ if (def)
+ return SetListStyle(range, def, flags, startFrom, specifiedLevel);
+ }
+ return false;
}
-/// Copy
-void wxRichTextLine::Copy(const wxRichTextLine& obj)
+/// Clear list for given range
+bool wxRichTextParagraphLayoutBox::ClearListStyle(const wxRichTextRange& range, int flags)
{
- m_range = obj.m_range;
+ return SetListStyle(range, NULL, flags);
}
-/// Get the absolute object position
-wxPoint wxRichTextLine::GetAbsolutePosition() const
+/// Number/renumber any list elements in the given range
+bool wxRichTextParagraphLayoutBox::NumberList(const wxRichTextRange& range, wxRichTextListStyleDefinition* def, int flags, int startFrom, int specifiedLevel)
{
- return m_parent->GetPosition() + m_pos;
+ return DoNumberList(range, range, 0, def, flags, startFrom, specifiedLevel);
}
-/// Get the absolute range
-wxRichTextRange wxRichTextLine::GetAbsoluteRange() const
+/// Number/renumber any list elements in the given range. Also do promotion or demotion of items, if specified
+bool wxRichTextParagraphLayoutBox::DoNumberList(const wxRichTextRange& range, const wxRichTextRange& promotionRange, int promoteBy,
+ wxRichTextListStyleDefinition* def, int flags, int startFrom, int specifiedLevel)
{
- wxRichTextRange range(m_range.GetStart() + m_parent->GetRange().GetStart(), 0);
- range.SetEnd(range.GetStart() + m_range.GetLength()-1);
- return range;
-}
+ wxRichTextBuffer* buffer = GetBuffer();
+ wxRichTextStyleSheet* styleSheet = buffer->GetStyleSheet();
-/*!
- * wxRichTextPlainText
- * This object represents a single piece of text.
- */
+ bool withUndo = ((flags & wxRICHTEXT_SETSTYLE_WITH_UNDO) != 0);
+ // bool applyMinimal = ((flags & wxRICHTEXT_SETSTYLE_OPTIMIZE) != 0);
+#if wxDEBUG_LEVEL
+ bool specifyLevel = ((flags & wxRICHTEXT_SETSTYLE_SPECIFY_LEVEL) != 0);
+#endif
-IMPLEMENT_DYNAMIC_CLASS(wxRichTextPlainText, wxRichTextObject)
+ bool renumber = ((flags & wxRICHTEXT_SETSTYLE_RENUMBER) != 0);
-wxRichTextPlainText::wxRichTextPlainText(const wxString& text, wxRichTextObject* parent, wxTextAttr* style):
- wxRichTextObject(parent)
-{
- if (style)
- SetAttributes(*style);
+ // Max number of levels
+ const int maxLevels = 10;
- m_text = text;
-}
+ // The level we're looking at now
+ int currentLevel = -1;
-#define USE_KERNING_FIX 1
+ // The item number for each level
+ int levels[maxLevels];
+ int i;
-// If insufficient tabs are defined, this is the tab width used
-#define WIDTH_FOR_DEFAULT_TABS 50
+ // Reset all numbering
+ for (i = 0; i < maxLevels; i++)
+ {
+ if (startFrom != -1)
+ levels[i] = startFrom-1;
+ else if (renumber) // start again
+ levels[i] = 0;
+ else
+ levels[i] = -1; // start from the number we found, if any
+ }
-/// Draw the item
-bool wxRichTextPlainText::Draw(wxDC& dc, const wxRichTextRange& range, const wxRichTextRange& selectionRange, const wxRect& rect, int descent, int WXUNUSED(style))
-{
- wxRichTextParagraph* para = wxDynamicCast(GetParent(), wxRichTextParagraph);
- wxASSERT (para != NULL);
+#if wxDEBUG_LEVEL
+ wxASSERT(!specifyLevel || (specifyLevel && (specifiedLevel >= 0)));
+#endif
- wxTextAttr textAttr(para ? para->GetCombinedAttributes(GetAttributes()) : GetAttributes());
+ // If we are associated with a control, make undoable; otherwise, apply immediately
+ // to the data.
- int offset = GetRange().GetStart();
+ bool haveControl = (buffer->GetRichTextCtrl() != NULL);
- // Replace line break characters with spaces
- wxString str = m_text;
- wxString toRemove = wxRichTextLineBreakChar;
- str.Replace(toRemove, wxT(" "));
+ wxRichTextAction* action = NULL;
- long len = range.GetLength();
- wxString stringChunk = str.Mid(range.GetStart() - offset, (size_t) len);
- if (textAttr.HasTextEffects() && (textAttr.GetTextEffects() & wxTEXT_ATTR_EFFECT_CAPITALS))
- stringChunk.MakeUpper();
+ if (haveControl && withUndo)
+ {
+ action = new wxRichTextAction(NULL, _("Renumber List"), wxRICHTEXT_CHANGE_STYLE, buffer, this, buffer->GetRichTextCtrl());
+ action->SetRange(range);
+ action->SetPosition(buffer->GetRichTextCtrl()->GetCaretPosition());
+ }
- int charHeight = dc.GetCharHeight();
+ wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
+ {
+ wxRichTextParagraph* para = wxDynamicCast(node->GetData(), wxRichTextParagraph);
+ // wxASSERT (para != NULL);
- int x = rect.x;
- int y = rect.y + (rect.height - charHeight - (descent - m_descent));
+ if (para && para->GetChildCount() > 0)
+ {
+ // Stop searching if we're beyond the range of interest
+ if (para->GetRange().GetStart() > range.GetEnd())
+ break;
- // Test for the optimized situations where all is selected, or none
- // is selected.
+ if (!para->GetRange().IsOutside(range))
+ {
+ // We'll be using a copy of the paragraph to make style changes,
+ // not updating the buffer directly.
+ wxRichTextParagraph* newPara wxDUMMY_INITIALIZE(NULL);
- wxFont font(GetBuffer()->GetFontTable().FindFont(textAttr));
- dc.SetFont(font);
+ if (haveControl && withUndo)
+ {
+ newPara = new wxRichTextParagraph(*para);
+ action->GetNewParagraphs().AppendChild(newPara);
- // (a) All selected.
- if (selectionRange.GetStart() <= range.GetStart() && selectionRange.GetEnd() >= range.GetEnd())
- {
- DrawTabbedString(dc, textAttr, rect, stringChunk, x, y, true);
- }
- // (b) None selected.
- else if (selectionRange.GetEnd() < range.GetStart() || selectionRange.GetStart() > range.GetEnd())
- {
- // Draw all unselected
- DrawTabbedString(dc, textAttr, rect, stringChunk, x, y, false);
- }
- else
- {
- // (c) Part selected, part not
- // Let's draw unselected chunk, selected chunk, then unselected chunk.
+ // Also store the old ones for Undo
+ action->GetOldParagraphs().AppendChild(new wxRichTextParagraph(*para));
+ }
+ else
+ newPara = para;
- dc.SetBackgroundMode(wxTRANSPARENT);
+ wxRichTextListStyleDefinition* defToUse = def;
+ if (!defToUse)
+ {
+ if (styleSheet && !newPara->GetAttributes().GetListStyleName().IsEmpty())
+ defToUse = styleSheet->FindListStyle(newPara->GetAttributes().GetListStyleName());
+ }
- // 1. Initial unselected chunk, if any, up until start of selection.
- if (selectionRange.GetStart() > range.GetStart() && selectionRange.GetStart() <= range.GetEnd())
- {
- int r1 = range.GetStart();
- int s1 = selectionRange.GetStart()-1;
- int fragmentLen = s1 - r1 + 1;
- if (fragmentLen < 0)
- wxLogDebug(wxT("Mid(%d, %d"), (int)(r1 - offset), (int)fragmentLen);
- wxString stringFragment = str.Mid(r1 - offset, fragmentLen);
+ if (defToUse)
+ {
+ int thisIndent = newPara->GetAttributes().GetLeftIndent();
+ int thisLevel = defToUse->FindLevelForIndent(thisIndent);
- DrawTabbedString(dc, textAttr, rect, stringFragment, x, y, false);
+ // If we've specified a level to apply to all, change the level.
+ if (specifiedLevel != -1)
+ thisLevel = specifiedLevel;
-#if USE_KERNING_FIX
- if (stringChunk.Find(wxT("\t")) == wxNOT_FOUND)
- {
- // Compensate for kerning difference
- wxString stringFragment2(str.Mid(r1 - offset, fragmentLen+1));
- wxString stringFragment3(str.Mid(r1 - offset + fragmentLen, 1));
+ // Do promotion if specified
+ if ((promoteBy != 0) && !para->GetRange().IsOutside(promotionRange))
+ {
+ thisLevel = thisLevel - promoteBy;
+ if (thisLevel < 0)
+ thisLevel = 0;
+ if (thisLevel > 9)
+ thisLevel = 9;
+ }
- wxCoord w1, h1, w2, h2, w3, h3;
- dc.GetTextExtent(stringFragment, & w1, & h1);
- dc.GetTextExtent(stringFragment2, & w2, & h2);
- dc.GetTextExtent(stringFragment3, & w3, & h3);
+ // Apply the overall list style, and item style for this level
+ wxRichTextAttr listStyle(defToUse->GetCombinedStyleForLevel(thisLevel, styleSheet));
+ wxRichTextApplyStyle(newPara->GetAttributes(), listStyle);
- int kerningDiff = (w1 + w3) - w2;
- x = x - kerningDiff;
- }
-#endif
- }
+ // Preserve the existing list item continuation bullet style, if any
+ if (para->GetAttributes().HasBulletStyle() && (para->GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_CONTINUATION))
+ newPara->GetAttributes().SetBulletStyle(newPara->GetAttributes().GetBulletStyle()|wxTEXT_ATTR_BULLET_STYLE_CONTINUATION);
- // 2. Selected chunk, if any.
- if (selectionRange.GetEnd() >= range.GetStart())
- {
- int s1 = wxMax(selectionRange.GetStart(), range.GetStart());
- int s2 = wxMin(selectionRange.GetEnd(), range.GetEnd());
+ // OK, we've (re)applied the style, now let's get the numbering right.
- int fragmentLen = s2 - s1 + 1;
- if (fragmentLen < 0)
- wxLogDebug(wxT("Mid(%d, %d"), (int)(s1 - offset), (int)fragmentLen);
- wxString stringFragment = str.Mid(s1 - offset, fragmentLen);
+ if (currentLevel == -1)
+ currentLevel = thisLevel;
- DrawTabbedString(dc, textAttr, rect, stringFragment, x, y, true);
+ // Same level as before, do nothing except increment level's number afterwards
+ if (currentLevel == thisLevel)
+ {
+ }
+ // A deeper level: start renumbering all levels after current level
+ else if (thisLevel > currentLevel)
+ {
+ for (i = currentLevel+1; i <= thisLevel; i++)
+ {
+ levels[i] = 0;
+ }
+ currentLevel = thisLevel;
+ }
+ else if (thisLevel < currentLevel)
+ {
+ currentLevel = thisLevel;
+ }
-#if USE_KERNING_FIX
- if (stringChunk.Find(wxT("\t")) == wxNOT_FOUND)
- {
- // Compensate for kerning difference
- wxString stringFragment2(str.Mid(s1 - offset, fragmentLen+1));
- wxString stringFragment3(str.Mid(s1 - offset + fragmentLen, 1));
+ // Use the current numbering if -1 and we have a bullet number already
+ if (levels[currentLevel] == -1)
+ {
+ if (newPara->GetAttributes().HasBulletNumber())
+ levels[currentLevel] = newPara->GetAttributes().GetBulletNumber();
+ else
+ levels[currentLevel] = 1;
+ }
+ else
+ {
+ if (!(para->GetAttributes().HasBulletStyle() && (para->GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_CONTINUATION)))
+ levels[currentLevel] ++;
+ }
- wxCoord w1, h1, w2, h2, w3, h3;
- dc.GetTextExtent(stringFragment, & w1, & h1);
- dc.GetTextExtent(stringFragment2, & w2, & h2);
- dc.GetTextExtent(stringFragment3, & w3, & h3);
+ newPara->GetAttributes().SetBulletNumber(levels[currentLevel]);
- int kerningDiff = (w1 + w3) - w2;
- x = x - kerningDiff;
+ // Create the bullet text if an outline list
+ if (listStyle.GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_OUTLINE)
+ {
+ wxString text;
+ for (i = 0; i <= currentLevel; i++)
+ {
+ if (!text.IsEmpty())
+ text += wxT(".");
+ text += wxString::Format(wxT("%d"), levels[i]);
+ }
+ newPara->GetAttributes().SetBulletText(text);
+ }
+ }
}
-#endif
}
- // 3. Remaining unselected chunk, if any
- if (selectionRange.GetEnd() < range.GetEnd())
- {
- int s2 = wxMin(selectionRange.GetEnd()+1, range.GetEnd());
- int r2 = range.GetEnd();
-
- int fragmentLen = r2 - s2 + 1;
- if (fragmentLen < 0)
- wxLogDebug(wxT("Mid(%d, %d"), (int)(s2 - offset), (int)fragmentLen);
- wxString stringFragment = str.Mid(s2 - offset, fragmentLen);
-
- DrawTabbedString(dc, textAttr, rect, stringFragment, x, y, false);
- }
+ node = node->GetNext();
}
+ // Do action, or delay it until end of batch.
+ if (haveControl && withUndo)
+ buffer->SubmitAction(action);
+
return true;
}
-bool wxRichTextPlainText::DrawTabbedString(wxDC& dc, const wxTextAttr& attr, const wxRect& rect,wxString& str, wxCoord& x, wxCoord& y, bool selected)
+bool wxRichTextParagraphLayoutBox::NumberList(const wxRichTextRange& range, const wxString& defName, int flags, int startFrom, int specifiedLevel)
{
- bool hasTabs = (str.Find(wxT('\t')) != wxNOT_FOUND);
-
- wxArrayInt tabArray;
- int tabCount;
- if (hasTabs)
+ wxRichTextBuffer* buffer = GetBuffer();
+ if (buffer->GetStyleSheet())
{
- if (attr.GetTabs().IsEmpty())
- tabArray = wxRichTextParagraph::GetDefaultTabs();
- else
- tabArray = attr.GetTabs();
- tabCount = tabArray.GetCount();
-
- for (int i = 0; i < tabCount; ++i)
- {
- int pos = tabArray[i];
- pos = ConvertTenthsMMToPixels(dc, pos);
- tabArray[i] = pos;
- }
+ wxRichTextListStyleDefinition* def = NULL;
+ if (!defName.IsEmpty())
+ def = buffer->GetStyleSheet()->FindListStyle(defName);
+ return NumberList(range, def, flags, startFrom, specifiedLevel);
}
- else
- tabCount = 0;
+ return false;
+}
- int nextTabPos = -1;
- int tabPos = -1;
- wxCoord w, h;
+/// Promote the list items within the given range. promoteBy can be a positive or negative number, e.g. 1 or -1
+bool wxRichTextParagraphLayoutBox::PromoteList(int promoteBy, const wxRichTextRange& range, wxRichTextListStyleDefinition* def, int flags, int specifiedLevel)
+{
+ // TODO
+ // One strategy is to first work out the range within which renumbering must occur. Then could pass these two ranges
+ // to NumberList with a flag indicating promotion is required within one of the ranges.
+ // Find first and last paragraphs in range. Then for first, calculate new indentation and look back until we find
+ // a paragraph that either has no list style, or has one that is different or whose indentation is less.
+ // We start renumbering from the para after that different para we found. We specify that the numbering of that
+ // list position will start from 1.
+ // Similarly, we look after the last para in the promote range for an indentation that is less (or no list style).
+ // We can end the renumbering at this point.
- if (selected)
+ // For now, only renumber within the promotion range.
+
+ return DoNumberList(range, range, promoteBy, def, flags, 1, specifiedLevel);
+}
+
+bool wxRichTextParagraphLayoutBox::PromoteList(int promoteBy, const wxRichTextRange& range, const wxString& defName, int flags, int specifiedLevel)
+{
+ wxRichTextBuffer* buffer = GetBuffer();
+ if (buffer->GetStyleSheet())
{
- dc.SetBrush(*wxBLACK_BRUSH);
- dc.SetPen(*wxBLACK_PEN);
- dc.SetTextForeground(*wxWHITE);
- dc.SetBackgroundMode(wxTRANSPARENT);
+ wxRichTextListStyleDefinition* def = NULL;
+ if (!defName.IsEmpty())
+ def = buffer->GetStyleSheet()->FindListStyle(defName);
+ return PromoteList(promoteBy, range, def, flags, specifiedLevel);
}
- else
- {
- dc.SetTextForeground(attr.GetTextColour());
+ return false;
+}
- if (attr.HasFlag(wxTEXT_ATTR_BACKGROUND_COLOUR) && attr.GetBackgroundColour().IsOk())
+/// Fills in the attributes for numbering a paragraph after previousParagraph. It also finds the
+/// position of the paragraph that it had to start looking from.
+bool wxRichTextParagraphLayoutBox::FindNextParagraphNumber(wxRichTextParagraph* previousParagraph, wxRichTextAttr& attr) const
+{
+ // TODO: add GetNextChild/GetPreviousChild to composite
+ // Search for a paragraph that isn't a continuation paragraph (no bullet)
+ while (previousParagraph && previousParagraph->GetAttributes().HasBulletStyle() && previousParagraph->GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_CONTINUATION)
+ {
+ wxRichTextObjectList::compatibility_iterator node = ((wxRichTextCompositeObject*) previousParagraph->GetParent())->GetChildren().Find(previousParagraph);
+ if (node)
{
- dc.SetBackgroundMode(wxSOLID);
- dc.SetTextBackground(attr.GetBackgroundColour());
+ node = node->GetPrevious();
+ if (node)
+ previousParagraph = wxDynamicCast(node->GetData(), wxRichTextParagraph);
+ else
+ previousParagraph = NULL;
}
else
- dc.SetBackgroundMode(wxTRANSPARENT);
+ previousParagraph = NULL;
}
- while (hasTabs)
+ if (!previousParagraph || !previousParagraph->GetAttributes().HasFlag(wxTEXT_ATTR_BULLET_STYLE) || previousParagraph->GetAttributes().GetBulletStyle() == wxTEXT_ATTR_BULLET_STYLE_NONE)
+ return false;
+
+ wxRichTextBuffer* buffer = GetBuffer();
+ wxRichTextStyleSheet* styleSheet = buffer->GetStyleSheet();
+ if (styleSheet && !previousParagraph->GetAttributes().GetListStyleName().IsEmpty())
{
- // the string has a tab
- // break up the string at the Tab
- wxString stringChunk = str.BeforeFirst(wxT('\t'));
- str = str.AfterFirst(wxT('\t'));
- dc.GetTextExtent(stringChunk, & w, & h);
- tabPos = x + w;
- bool not_found = true;
- for (int i = 0; i < tabCount && not_found; ++i)
+ wxRichTextListStyleDefinition* def = styleSheet->FindListStyle(previousParagraph->GetAttributes().GetListStyleName());
+ if (def)
{
- nextTabPos = tabArray.Item(i);
+ // int thisIndent = previousParagraph->GetAttributes().GetLeftIndent();
+ // int thisLevel = def->FindLevelForIndent(thisIndent);
- // Find the next tab position.
- // Even if we're at the end of the tab array, we must still draw the chunk.
+ bool isOutline = (previousParagraph->GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_OUTLINE) != 0;
- if (nextTabPos > tabPos || (i == (tabCount - 1)))
+ attr.SetFlags(previousParagraph->GetAttributes().GetFlags() & (wxTEXT_ATTR_BULLET_STYLE|wxTEXT_ATTR_BULLET_NUMBER|wxTEXT_ATTR_BULLET_TEXT|wxTEXT_ATTR_BULLET_NAME));
+ if (previousParagraph->GetAttributes().HasBulletName())
+ attr.SetBulletName(previousParagraph->GetAttributes().GetBulletName());
+ attr.SetBulletStyle(previousParagraph->GetAttributes().GetBulletStyle());
+ attr.SetListStyleName(previousParagraph->GetAttributes().GetListStyleName());
+
+ int nextNumber = previousParagraph->GetAttributes().GetBulletNumber() + 1;
+ attr.SetBulletNumber(nextNumber);
+
+ if (isOutline)
{
- if (nextTabPos <= tabPos)
+ wxString text = previousParagraph->GetAttributes().GetBulletText();
+ if (!text.IsEmpty())
{
- int defaultTabWidth = ConvertTenthsMMToPixels(dc, WIDTH_FOR_DEFAULT_TABS);
- nextTabPos = tabPos + defaultTabWidth;
- }
-
- not_found = false;
- if (selected)
- {
- w = nextTabPos - x;
- wxRect selRect(x, rect.y, w, rect.GetHeight());
- dc.DrawRectangle(selRect);
- }
- dc.DrawText(stringChunk, x, y);
-
- if (attr.HasTextEffects() && (attr.GetTextEffects() & wxTEXT_ATTR_EFFECT_STRIKETHROUGH))
- {
- wxPen oldPen = dc.GetPen();
- dc.SetPen(wxPen(attr.GetTextColour(), 1));
- dc.DrawLine(x, (int) (y+(h/2)+0.5), x+w, (int) (y+(h/2)+0.5));
- dc.SetPen(oldPen);
+ int pos = text.Find(wxT('.'), true);
+ if (pos != wxNOT_FOUND)
+ {
+ text = text.Mid(0, text.Length() - pos - 1);
+ }
+ else
+ text = wxEmptyString;
+ if (!text.IsEmpty())
+ text += wxT(".");
+ text += wxString::Format(wxT("%d"), nextNumber);
+ attr.SetBulletText(text);
}
-
- x = nextTabPos;
}
+
+ return true;
}
- hasTabs = (str.Find(wxT('\t')) != wxNOT_FOUND);
+ else
+ return false;
}
+ else
+ return false;
+}
- if (!str.IsEmpty())
- {
- dc.GetTextExtent(str, & w, & h);
- if (selected)
- {
- wxRect selRect(x, rect.y, w, rect.GetHeight());
- dc.DrawRectangle(selRect);
- }
- dc.DrawText(str, x, y);
+/*!
+ * wxRichTextParagraph
+ * This object represents a single paragraph (or in a straight text editor, a line).
+ */
- if (attr.HasTextEffects() && (attr.GetTextEffects() & wxTEXT_ATTR_EFFECT_STRIKETHROUGH))
- {
- wxPen oldPen = dc.GetPen();
- dc.SetPen(wxPen(attr.GetTextColour(), 1));
- dc.DrawLine(x, (int) (y+(h/2)+0.5), x+w, (int) (y+(h/2)+0.5));
- dc.SetPen(oldPen);
- }
+IMPLEMENT_DYNAMIC_CLASS(wxRichTextParagraph, wxRichTextCompositeObject)
- x += w;
- }
- return true;
+wxArrayInt wxRichTextParagraph::sm_defaultTabs;
+wxRichTextParagraph::wxRichTextParagraph(wxRichTextObject* parent, wxRichTextAttr* style):
+ wxRichTextCompositeObject(parent)
+{
+ if (style)
+ SetAttributes(*style);
}
-/// Lay the item out
-bool wxRichTextPlainText::Layout(wxDC& dc, const wxRect& WXUNUSED(rect), int WXUNUSED(style))
+wxRichTextParagraph::wxRichTextParagraph(const wxString& text, wxRichTextObject* parent, wxRichTextAttr* paraStyle, wxRichTextAttr* charStyle):
+ wxRichTextCompositeObject(parent)
{
- GetRangeSize(GetRange(), m_size, m_descent, dc, 0, wxPoint(0, 0));
+ if (paraStyle)
+ SetAttributes(*paraStyle);
- return true;
+ AppendChild(new wxRichTextPlainText(text, this, charStyle));
}
-/// Copy
-void wxRichTextPlainText::Copy(const wxRichTextPlainText& obj)
+wxRichTextParagraph::~wxRichTextParagraph()
{
- wxRichTextObject::Copy(obj);
-
- m_text = obj.m_text;
+ ClearLines();
}
-/// Get/set the object size for the given range. Returns false if the range
-/// is invalid for this object.
-bool wxRichTextPlainText::GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, int WXUNUSED(flags), wxPoint position) const
+/// Draw the item
+bool wxRichTextParagraph::Draw(wxDC& dc, wxRichTextDrawingContext& context, const wxRichTextRange& range, const wxRichTextSelection& selection, const wxRect& rect, int WXUNUSED(descent), int style)
{
- if (!range.IsWithin(GetRange()))
- return false;
+ if (!IsShown())
+ return true;
- wxRichTextParagraph* para = wxDynamicCast(GetParent(), wxRichTextParagraph);
- wxASSERT (para != NULL);
+ // Currently we don't merge these attributes with the parent, but we
+ // should consider whether we should (e.g. if we set a border colour
+ // for all paragraphs). But generally box attributes are likely to be
+ // different for different objects.
+ wxRect paraRect = GetRect();
+ wxRichTextAttr attr = GetCombinedAttributes();
+ context.ApplyVirtualAttributes(attr, this);
- wxTextAttr textAttr(para ? para->GetCombinedAttributes(GetAttributes()) : GetAttributes());
+ DrawBoxAttributes(dc, GetBuffer(), attr, paraRect);
- // Always assume unformatted text, since at this level we have no knowledge
- // of line breaks - and we don't need it, since we'll calculate size within
- // formatted text by doing it in chunks according to the line ranges
+ // Draw the bullet, if any
+ if ((attr.GetBulletStyle() == wxTEXT_ATTR_BULLET_STYLE_NONE) == 0 && (attr.GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_CONTINUATION) == 0)
+ {
+ if (attr.GetLeftSubIndent() != 0)
+ {
+ int spaceBeforePara = ConvertTenthsMMToPixels(dc, attr.GetParagraphSpacingBefore());
+ int leftIndent = ConvertTenthsMMToPixels(dc, attr.GetLeftIndent());
- wxFont font(GetBuffer()->GetFontTable().FindFont(textAttr));
- dc.SetFont(font);
+ wxRichTextAttr bulletAttr(attr);
- int startPos = range.GetStart() - GetRange().GetStart();
- long len = range.GetLength();
+ // Combine with the font of the first piece of content, if one is specified
+ if (GetChildren().GetCount() > 0)
+ {
+ wxRichTextObject* firstObj = (wxRichTextObject*) GetChildren().GetFirst()->GetData();
+ if (!firstObj->IsFloatable() && firstObj->GetAttributes().HasFont())
+ {
+ wxRichTextApplyStyle(bulletAttr, firstObj->GetAttributes());
+ }
+ }
- wxString str(m_text);
- wxString toReplace = wxRichTextLineBreakChar;
- str.Replace(toReplace, wxT(" "));
+ // Get line height from first line, if any
+ wxRichTextLine* line = m_cachedLines.GetFirst() ? (wxRichTextLine* ) m_cachedLines.GetFirst()->GetData() : NULL;
- wxString stringChunk = str.Mid(startPos, (size_t) len);
+ wxPoint linePos;
+ int lineHeight wxDUMMY_INITIALIZE(0);
+ if (line)
+ {
+ lineHeight = line->GetSize().y;
+ linePos = line->GetPosition() + GetPosition();
+ }
+ else
+ {
+ wxFont font;
+ if (bulletAttr.HasFont() && GetBuffer())
+ font = GetBuffer()->GetFontTable().FindFont(bulletAttr);
+ else
+ font = (*wxNORMAL_FONT);
- if (textAttr.HasTextEffects() && (textAttr.GetTextEffects() & wxTEXT_ATTR_EFFECT_CAPITALS))
- stringChunk.MakeUpper();
+ wxCheckSetFont(dc, font);
- wxCoord w, h;
- int width = 0;
- if (stringChunk.Find(wxT('\t')) != wxNOT_FOUND)
- {
- // the string has a tab
- wxArrayInt tabArray;
- if (textAttr.GetTabs().IsEmpty())
- tabArray = wxRichTextParagraph::GetDefaultTabs();
- else
- tabArray = textAttr.GetTabs();
+ lineHeight = dc.GetCharHeight();
+ linePos = GetPosition();
+ linePos.y += spaceBeforePara;
+ }
- int tabCount = tabArray.GetCount();
+ wxRect bulletRect(GetPosition().x + leftIndent, linePos.y, linePos.x - (GetPosition().x + leftIndent), lineHeight);
- for (int i = 0; i < tabCount; ++i)
- {
- int pos = tabArray[i];
- pos = ((wxRichTextPlainText*) this)->ConvertTenthsMMToPixels(dc, pos);
- tabArray[i] = pos;
+ if (attr.GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_BITMAP)
+ {
+ if (wxRichTextBuffer::GetRenderer())
+ wxRichTextBuffer::GetRenderer()->DrawBitmapBullet(this, dc, bulletAttr, bulletRect);
+ }
+ else if (attr.GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_STANDARD)
+ {
+ if (wxRichTextBuffer::GetRenderer())
+ wxRichTextBuffer::GetRenderer()->DrawStandardBullet(this, dc, bulletAttr, bulletRect);
+ }
+ else
+ {
+ wxString bulletText = GetBulletText();
+
+ if (!bulletText.empty() && wxRichTextBuffer::GetRenderer())
+ wxRichTextBuffer::GetRenderer()->DrawTextBullet(this, dc, bulletAttr, bulletRect, bulletText);
+ }
}
+ }
- int nextTabPos = -1;
+ // Draw the range for each line, one object at a time.
- while (stringChunk.Find(wxT('\t')) >= 0)
+ wxRichTextLineList::compatibility_iterator node = m_cachedLines.GetFirst();
+ while (node)
+ {
+ wxRichTextLine* line = node->GetData();
+ wxRichTextRange lineRange = line->GetAbsoluteRange();
+
+ // Lines are specified relative to the paragraph
+
+ wxPoint linePosition = line->GetPosition() + GetPosition();
+
+ // Don't draw if off the screen
+ if (((style & wxRICHTEXT_DRAW_IGNORE_CACHE) != 0) || ((linePosition.y + line->GetSize().y) >= rect.y && linePosition.y <= rect.y + rect.height))
{
- // the string has a tab
- // break up the string at the Tab
- wxString stringFragment = stringChunk.BeforeFirst(wxT('\t'));
- stringChunk = stringChunk.AfterFirst(wxT('\t'));
- dc.GetTextExtent(stringFragment, & w, & h);
- width += w;
- int absoluteWidth = width + position.x;
+ wxPoint objectPosition = linePosition;
+ int maxDescent = line->GetDescent();
- bool notFound = true;
- for (int i = 0; i < tabCount && notFound; ++i)
- {
- nextTabPos = tabArray.Item(i);
+ // Loop through objects until we get to the one within range
+ wxRichTextObjectList::compatibility_iterator node2 = m_children.GetFirst();
- // Find the next tab position.
- // Even if we're at the end of the tab array, we must still process the chunk.
+ int i = 0;
+ while (node2)
+ {
+ wxRichTextObject* child = node2->GetData();
- if (nextTabPos > absoluteWidth || (i == (tabCount - 1)))
+ if ((!child->IsFloating() || !wxRichTextBuffer::GetFloatingLayoutMode()) && child->GetRange().GetLength() > 0 && !child->GetRange().IsOutside(lineRange) && !lineRange.IsOutside(range))
{
- if (nextTabPos <= absoluteWidth)
+ // Draw this part of the line at the correct position
+ wxRichTextRange objectRange(child->GetRange());
+ objectRange.LimitTo(lineRange);
+
+ wxSize objectSize;
+ if (child->IsTopLevel())
{
- int defaultTabWidth = ((wxRichTextPlainText*) this)->ConvertTenthsMMToPixels(dc, WIDTH_FOR_DEFAULT_TABS);
- nextTabPos = absoluteWidth + defaultTabWidth;
+ objectSize = child->GetCachedSize();
+ objectRange = child->GetOwnRange();
+ }
+ else
+ {
+#if wxRICHTEXT_USE_OPTIMIZED_LINE_DRAWING && wxRICHTEXT_USE_PARTIAL_TEXT_EXTENTS
+ if (i < (int) line->GetObjectSizes().GetCount())
+ {
+ objectSize.x = line->GetObjectSizes()[(size_t) i];
+ }
+ else
+#endif
+ {
+ int descent = 0;
+ child->GetRangeSize(objectRange, objectSize, descent, dc, context, wxRICHTEXT_UNFORMATTED, objectPosition);
+ }
}
- notFound = false;
- width = nextTabPos - position.x;
+ // Use the child object's width, but the whole line's height
+ wxRect childRect(objectPosition, wxSize(objectSize.x, line->GetSize().y));
+ child->Draw(dc, context, objectRange, selection, childRect, maxDescent, style);
+
+ objectPosition.x += objectSize.x;
+ i ++;
}
+ else if (child->GetRange().GetStart() > lineRange.GetEnd())
+ // Can break out of inner loop now since we've passed this line's range
+ break;
+
+ node2 = node2->GetNext();
}
}
+
+ node = node->GetNext();
}
- dc.GetTextExtent(stringChunk, & w, & h, & descent);
- width += w;
- size = wxSize(width, dc.GetCharHeight());
return true;
}
-/// Do a split, returning an object containing the second part, and setting
-/// the first part in 'this'.
-wxRichTextObject* wxRichTextPlainText::DoSplit(long pos)
+// Get the range width using partial extents calculated for the whole paragraph.
+static int wxRichTextGetRangeWidth(const wxRichTextParagraph& para, const wxRichTextRange& range, const wxArrayInt& partialExtents)
{
- long index = pos - GetRange().GetStart();
-
- if (index < 0 || index >= (int) m_text.length())
- return NULL;
-
- wxString firstPart = m_text.Mid(0, index);
- wxString secondPart = m_text.Mid(index);
+ wxASSERT(partialExtents.GetCount() >= (size_t) range.GetLength());
- m_text = firstPart;
+ if (partialExtents.GetCount() < (size_t) range.GetLength())
+ return 0;
- wxRichTextPlainText* newObject = new wxRichTextPlainText(secondPart);
- newObject->SetAttributes(GetAttributes());
+ int leftMostPos = 0;
+ if (range.GetStart() - para.GetRange().GetStart() > 0)
+ leftMostPos = partialExtents[range.GetStart() - para.GetRange().GetStart() - 1];
- newObject->SetRange(wxRichTextRange(pos, GetRange().GetEnd()));
- GetRange().SetEnd(pos-1);
+ int rightMostPos = partialExtents[range.GetEnd() - para.GetRange().GetStart()];
- return newObject;
-}
+ int w = rightMostPos - leftMostPos;
-/// Calculate range
-void wxRichTextPlainText::CalculateRange(long start, long& end)
-{
- end = start + m_text.length() - 1;
- m_range.SetRange(start, end);
+ return w;
}
-/// Delete range
-bool wxRichTextPlainText::DeleteRange(const wxRichTextRange& range)
+/// Lay the item out
+bool wxRichTextParagraph::Layout(wxDC& dc, wxRichTextDrawingContext& context, const wxRect& rect, const wxRect& parentRect, int style)
{
- wxRichTextRange r = range;
+ // Deal with floating objects firstly before the normal layout
+ wxRichTextBuffer* buffer = GetBuffer();
+ wxASSERT(buffer);
- r.LimitTo(GetRange());
+ wxRichTextFloatCollector* collector = GetContainer()->GetFloatCollector();
- if (r.GetStart() == GetRange().GetStart() && r.GetEnd() == GetRange().GetEnd())
+ if (wxRichTextBuffer::GetFloatingLayoutMode())
{
- m_text.Empty();
- return true;
+ wxASSERT(collector != NULL);
+ if (collector)
+ LayoutFloat(dc, context, rect, parentRect, style, collector);
}
- long startIndex = r.GetStart() - GetRange().GetStart();
- long len = r.GetLength();
+ wxRichTextAttr attr = GetCombinedAttributes();
+ context.ApplyVirtualAttributes(attr, this);
- m_text = m_text.Mid(0, startIndex) + m_text.Mid(startIndex+len);
- return true;
-}
+ // ClearLines();
-/// Get text for the given range.
-wxString wxRichTextPlainText::GetTextForRange(const wxRichTextRange& range) const
-{
- wxRichTextRange r = range;
+ // Increase the size of the paragraph due to spacing
+ int spaceBeforePara = ConvertTenthsMMToPixels(dc, attr.GetParagraphSpacingBefore());
+ int spaceAfterPara = ConvertTenthsMMToPixels(dc, attr.GetParagraphSpacingAfter());
+ int leftIndent = ConvertTenthsMMToPixels(dc, attr.GetLeftIndent());
+ int leftSubIndent = ConvertTenthsMMToPixels(dc, attr.GetLeftSubIndent());
+ int rightIndent = ConvertTenthsMMToPixels(dc, attr.GetRightIndent());
- r.LimitTo(GetRange());
-
- long startIndex = r.GetStart() - GetRange().GetStart();
- long len = r.GetLength();
-
- return m_text.Mid(startIndex, len);
-}
-
-/// Returns true if this object can merge itself with the given one.
-bool wxRichTextPlainText::CanMerge(wxRichTextObject* object) const
-{
- return object->GetClassInfo() == CLASSINFO(wxRichTextPlainText) &&
- (m_text.empty() || wxTextAttrEq(GetAttributes(), object->GetAttributes()));
-}
-
-/// Returns true if this object merged itself with the given one.
-/// The calling code will then delete the given object.
-bool wxRichTextPlainText::Merge(wxRichTextObject* object)
-{
- wxRichTextPlainText* textObject = wxDynamicCast(object, wxRichTextPlainText);
- wxASSERT( textObject != NULL );
-
- if (textObject)
- {
- m_text += textObject->GetText();
- return true;
- }
- else
- return false;
-}
-
-/// Dump to output stream for debugging
-void wxRichTextPlainText::Dump(wxTextOutputStream& stream)
-{
- wxRichTextObject::Dump(stream);
- stream << m_text << wxT("\n");
-}
+ int lineSpacing = 0;
-/// Get the first position from pos that has a line break character.
-long wxRichTextPlainText::GetFirstLineBreakPosition(long pos)
-{
- int i;
- int len = m_text.length();
- int startPos = pos - m_range.GetStart();
- for (i = startPos; i < len; i++)
+ // Let's assume line spacing of 10 is normal, 15 is 1.5, 20 is 2, etc.
+ if (attr.HasLineSpacing() && attr.GetLineSpacing() > 0 && attr.HasFont())
{
- wxChar ch = m_text[i];
- if (ch == wxRichTextLineBreakChar)
+ wxFont font(buffer->GetFontTable().FindFont(attr));
+ if (font.IsOk())
{
- return i + m_range.GetStart();
+ wxCheckSetFont(dc, font);
+ lineSpacing = (int) (double(dc.GetCharHeight()) * (double(attr.GetLineSpacing())/10.0 - 1.0));
}
}
- return -1;
-}
-
-/*!
- * wxRichTextBuffer
- * This is a kind of box, used to represent the whole buffer
- */
-
-IMPLEMENT_DYNAMIC_CLASS(wxRichTextBuffer, wxRichTextParagraphLayoutBox)
-
-wxList wxRichTextBuffer::sm_handlers;
-wxRichTextRenderer* wxRichTextBuffer::sm_renderer = NULL;
-int wxRichTextBuffer::sm_bulletRightMargin = 20;
-float wxRichTextBuffer::sm_bulletProportion = (float) 0.3;
-
-/// Initialisation
-void wxRichTextBuffer::Init()
-{
- m_commandProcessor = new wxCommandProcessor;
- m_styleSheet = NULL;
- m_modified = false;
- m_batchedCommandDepth = 0;
- m_batchedCommand = NULL;
- m_suppressUndo = 0;
- m_handlerFlags = 0;
- m_scale = 1.0;
-}
-
-/// Initialisation
-wxRichTextBuffer::~wxRichTextBuffer()
-{
- delete m_commandProcessor;
- delete m_batchedCommand;
-
- ClearStyleStack();
- ClearEventHandlers();
-}
-void wxRichTextBuffer::ResetAndClearCommands()
-{
- Reset();
+ // Start position for each line relative to the paragraph
+ int startPositionFirstLine = leftIndent;
+ int startPositionSubsequentLines = leftIndent + leftSubIndent;
- GetCommandProcessor()->ClearCommands();
+ // If we have a bullet in this paragraph, the start position for the first line's text
+ // is actually leftIndent + leftSubIndent.
+ if (attr.GetBulletStyle() != wxTEXT_ATTR_BULLET_STYLE_NONE)
+ startPositionFirstLine = startPositionSubsequentLines;
- Modify(false);
- Invalidate(wxRICHTEXT_ALL);
-}
+ long lastEndPos = GetRange().GetStart()-1;
+ long lastCompletedEndPos = lastEndPos;
-void wxRichTextBuffer::Copy(const wxRichTextBuffer& obj)
-{
- wxRichTextParagraphLayoutBox::Copy(obj);
+ int currentWidth = 0;
+ SetPosition(rect.GetPosition());
- m_styleSheet = obj.m_styleSheet;
- m_modified = obj.m_modified;
- m_batchedCommandDepth = obj.m_batchedCommandDepth;
- m_batchedCommand = obj.m_batchedCommand;
- m_suppressUndo = obj.m_suppressUndo;
-}
+ wxPoint currentPosition(0, spaceBeforePara); // We will calculate lines relative to paragraph
+ int lineHeight = 0;
+ int maxWidth = 0;
+ int maxHeight = currentPosition.y;
+ int maxAscent = 0;
+ int maxDescent = 0;
+ int lineCount = 0;
+ int lineAscent = 0;
+ int lineDescent = 0;
-/// Push style sheet to top of stack
-bool wxRichTextBuffer::PushStyleSheet(wxRichTextStyleSheet* styleSheet)
-{
- if (m_styleSheet)
- styleSheet->InsertSheet(m_styleSheet);
+ wxRichTextObjectList::compatibility_iterator node;
- SetStyleSheet(styleSheet);
+#if wxRICHTEXT_USE_PARTIAL_TEXT_EXTENTS
+ wxUnusedVar(style);
+ wxArrayInt partialExtents;
- return true;
-}
+ wxSize paraSize;
+ int paraDescent = 0;
-/// Pop style sheet from top of stack
-wxRichTextStyleSheet* wxRichTextBuffer::PopStyleSheet()
-{
- if (m_styleSheet)
+ // This calculates the partial text extents
+ GetRangeSize(GetRange(), paraSize, paraDescent, dc, context, wxRICHTEXT_UNFORMATTED|wxRICHTEXT_CACHE_SIZE, rect.GetPosition(), parentRect.GetSize(), & partialExtents);
+#else
+ node = m_children.GetFirst();
+ while (node)
{
- wxRichTextStyleSheet* oldSheet = m_styleSheet;
- m_styleSheet = oldSheet->GetNextSheet();
- oldSheet->Unlink();
+ wxRichTextObject* child = node->GetData();
- return oldSheet;
- }
- else
- return NULL;
-}
+ //child->SetCachedSize(wxDefaultSize);
+ child->Layout(dc, context, rect, style);
-/// Submit command to insert paragraphs
-bool wxRichTextBuffer::InsertParagraphsWithUndo(long pos, const wxRichTextParagraphLayoutBox& paragraphs, wxRichTextCtrl* ctrl, int flags)
-{
- wxRichTextAction* action = new wxRichTextAction(NULL, _("Insert Text"), wxRICHTEXT_INSERT, this, ctrl, false);
+ node = node->GetNext();
+ }
+#endif
- wxTextAttr attr(GetDefaultStyle());
+ // Split up lines
- wxTextAttr* p = NULL;
- wxTextAttr paraAttr;
- if (flags & wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE)
- {
- paraAttr = GetStyleForNewParagraph(pos);
- if (!paraAttr.IsDefault())
- p = & paraAttr;
- }
- else
- p = & attr;
+ // We may need to go back to a previous child, in which case create the new line,
+ // find the child corresponding to the start position of the string, and
+ // continue.
- action->GetNewParagraphs() = paragraphs;
+ wxRect availableRect;
- if (p)
+ node = m_children.GetFirst();
+ while (node)
{
- wxRichTextObjectList::compatibility_iterator node = m_children.GetLast();
- while (node)
+ wxRichTextObject* child = node->GetData();
+
+ // If floating, ignore. We already laid out floats.
+ // Also ignore if empty object, except if we haven't got any
+ // size yet.
+ if ((child->IsFloating() && wxRichTextBuffer::GetFloatingLayoutMode())
+ || !child->IsShown() || (child->GetRange().GetLength() == 0 && maxHeight > spaceBeforePara)
+ )
{
- wxRichTextParagraph* obj = (wxRichTextParagraph*) node->GetData();
- obj->SetAttributes(*p);
- node = node->GetPrevious();
+ node = node->GetNext();
+ continue;
}
- }
- action->SetPosition(pos);
+ // If this is e.g. a composite text box, it will need to be laid out itself.
+ // But if just a text fragment or image, for example, this will
+ // do nothing. NB: won't we need to set the position after layout?
+ // since for example if position is dependent on vertical line size, we
+ // can't tell the position until the size is determined. So possibly introduce
+ // another layout phase.
- // Set the range we'll need to delete in Undo
- action->SetRange(wxRichTextRange(pos, pos + paragraphs.GetRange().GetEnd() - 1));
+ // We may only be looking at part of a child, if we searched back for wrapping
+ // and found a suitable point some way into the child. So get the size for the fragment
+ // if necessary.
- SubmitAction(action);
+ long nextBreakPos = GetFirstLineBreakPosition(lastEndPos+1);
+ long lastPosToUse = child->GetRange().GetEnd();
+ bool lineBreakInThisObject = (nextBreakPos > -1 && nextBreakPos <= child->GetRange().GetEnd());
- return true;
-}
+ if (lineBreakInThisObject)
+ lastPosToUse = nextBreakPos;
-/// Submit command to insert the given text
-bool wxRichTextBuffer::InsertTextWithUndo(long pos, const wxString& text, wxRichTextCtrl* ctrl, int flags)
-{
- wxRichTextAction* action = new wxRichTextAction(NULL, _("Insert Text"), wxRICHTEXT_INSERT, this, ctrl, false);
+ wxSize childSize;
+ int childDescent = 0;
- wxTextAttr* p = NULL;
- wxTextAttr paraAttr;
- if (flags & wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE)
- {
- // Get appropriate paragraph style
- paraAttr = GetStyleForNewParagraph(pos, false, false);
- if (!paraAttr.IsDefault())
- p = & paraAttr;
- }
+ int startOffset = (lineCount == 0 ? startPositionFirstLine : startPositionSubsequentLines);
+ availableRect = wxRect(rect.x + startOffset, rect.y + currentPosition.y,
+ rect.width - startOffset - rightIndent, rect.height);
- action->GetNewParagraphs().AddParagraphs(text, p);
+ if (child->IsTopLevel())
+ {
+ wxSize oldSize = child->GetCachedSize();
- int length = action->GetNewParagraphs().GetRange().GetLength();
+ child->Invalidate(wxRICHTEXT_ALL);
+ child->SetPosition(wxPoint(0, 0));
- if (text.length() > 0 && text.Last() != wxT('\n'))
- {
- // Don't count the newline when undoing
- length --;
- action->GetNewParagraphs().SetPartialParagraph(true);
- }
- else if (text.length() > 0 && text.Last() == wxT('\n'))
- length --;
+ // Lays out the object first with a given amount of space, and then if no width was specified in attr,
+ // lays out the object again using the minimum size
+ // The position will be determined by its location in its line,
+ // and not by the child's actual position.
+ child->LayoutToBestSize(dc, context, buffer,
+ attr, child->GetAttributes(), availableRect, parentRect, style);
- action->SetPosition(pos);
+ if (oldSize != child->GetCachedSize())
+ {
+ partialExtents.Clear();
- // Set the range we'll need to delete in Undo
- action->SetRange(wxRichTextRange(pos, pos + length - 1));
+ // Recalculate the partial text extents since the child object changed size
+ GetRangeSize(GetRange(), paraSize, paraDescent, dc, context, wxRICHTEXT_UNFORMATTED|wxRICHTEXT_CACHE_SIZE, wxPoint(0,0), parentRect.GetSize(), & partialExtents);
+ }
+ }
- SubmitAction(action);
+ // Problem: we need to layout composites here for which we need the available width,
+ // but we can't get the available width without using the float collector which
+ // needs to know the object height.
- return true;
-}
+ if ((nextBreakPos == -1) && (lastEndPos == child->GetRange().GetStart() - 1)) // i.e. we want to get the whole thing
+ {
+ childSize = child->GetCachedSize();
+ childDescent = child->GetDescent();
+ }
+ else
+ {
+#if wxRICHTEXT_USE_PARTIAL_TEXT_EXTENTS
+ // Get height only, then the width using the partial extents
+ GetRangeSize(wxRichTextRange(lastEndPos+1, lastPosToUse), childSize, childDescent, dc, context, wxRICHTEXT_UNFORMATTED|wxRICHTEXT_HEIGHT_ONLY, wxPoint(0,0), parentRect.GetSize());
+ childSize.x = wxRichTextGetRangeWidth(*this, wxRichTextRange(lastEndPos+1, lastPosToUse), partialExtents);
+#else
+ GetRangeSize(wxRichTextRange(lastEndPos+1, lastPosToUse), childSize, childDescent, dc, context, wxRICHTEXT_UNFORMATTED, rect.GetPosition(), parentRect.GetSize());
+#endif
+ }
-/// Submit command to insert the given text
-bool wxRichTextBuffer::InsertNewlineWithUndo(long pos, wxRichTextCtrl* ctrl, int flags)
-{
- wxRichTextAction* action = new wxRichTextAction(NULL, _("Insert Text"), wxRICHTEXT_INSERT, this, ctrl, false);
+ bool doLoop = true;
+ int loopIterations = 0;
- wxTextAttr* p = NULL;
- wxTextAttr paraAttr;
- if (flags & wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE)
- {
- paraAttr = GetStyleForNewParagraph(pos, false, true /* look for next paragraph style */);
- if (!paraAttr.IsDefault())
- p = & paraAttr;
- }
+ // If there are nested objects that need to lay themselves out, we have to do this in a
+ // loop because the height of the object may well depend on the available width.
+ // And because of floating object positioning, the available width depends on the
+ // height of the object and whether it will clash with the floating objects.
+ // So, we see whether the available width changes due to the presence of floating images.
+ // If it does, then we'll use the new restricted width to find the object height again.
+ // If this causes another restriction in the available width, we'll try again, until
+ // either we lose patience or the available width settles down.
+ do
+ {
+ loopIterations ++;
- wxTextAttr attr(GetDefaultStyle());
+ wxRect oldAvailableRect = availableRect;
- wxRichTextParagraph* newPara = new wxRichTextParagraph(wxEmptyString, this, & attr);
- action->GetNewParagraphs().AppendChild(newPara);
- action->GetNewParagraphs().UpdateRanges();
- action->GetNewParagraphs().SetPartialParagraph(false);
- action->SetPosition(pos);
+ // Available width depends on the floating objects and the line height.
+ // Note: the floating objects may be placed vertically along the two sides of
+ // buffer, so we may have different available line widths with different
+ // [startY, endY]. So, we can't determine how wide the available
+ // space is until we know the exact line height.
+ if (childDescent == 0)
+ {
+ lineHeight = wxMax(lineHeight, childSize.y);
+ lineDescent = maxDescent;
+ lineAscent = maxAscent;
+ }
+ else
+ {
+ lineDescent = wxMax(childDescent, maxDescent);
+ lineAscent = wxMax(childSize.y-childDescent, maxAscent);
+ }
+ lineHeight = wxMax(lineHeight, (lineDescent + lineAscent));
- if (p)
- newPara->SetAttributes(*p);
+ if (wxRichTextBuffer::GetFloatingLayoutMode() && collector)
+ {
+ wxRect floatAvailableRect = collector->GetAvailableRect(rect.y + currentPosition.y, rect.y + currentPosition.y + lineHeight);
- // Set the range we'll need to delete in Undo
- action->SetRange(wxRichTextRange(pos, pos));
+ // Adjust availableRect to the space that is available when taking floating objects into account.
- SubmitAction(action);
+ if (floatAvailableRect.x + startOffset > availableRect.x)
+ {
+ int newX = floatAvailableRect.x + startOffset;
+ int newW = availableRect.width - (newX - availableRect.x);
+ availableRect.x = newX;
+ availableRect.width = newW;
+ }
- return true;
-}
+ if (floatAvailableRect.width < availableRect.width)
+ availableRect.width = floatAvailableRect.width;
+ }
-/// Submit command to insert the given image
-bool wxRichTextBuffer::InsertImageWithUndo(long pos, const wxRichTextImageBlock& imageBlock, wxRichTextCtrl* ctrl, int flags)
-{
- wxRichTextAction* action = new wxRichTextAction(NULL, _("Insert Image"), wxRICHTEXT_INSERT, this, ctrl, false);
+ currentPosition.x = availableRect.x - rect.x;
- wxTextAttr* p = NULL;
- wxTextAttr paraAttr;
- if (flags & wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE)
- {
- paraAttr = GetStyleForNewParagraph(pos);
- if (!paraAttr.IsDefault())
- p = & paraAttr;
- }
+ if (child->IsTopLevel() && loopIterations <= 20)
+ {
+ if (availableRect != oldAvailableRect)
+ {
+ wxSize oldSize = child->GetCachedSize();
- wxTextAttr attr(GetDefaultStyle());
+ // Lays out the object first with a given amount of space, and then if no width was specified in attr,
+ // lays out the object again using the minimum size
+ child->Invalidate(wxRICHTEXT_ALL);
+ child->LayoutToBestSize(dc, context, buffer,
+ attr, child->GetAttributes(), availableRect, parentRect.GetSize(), style);
+ childSize = child->GetCachedSize();
+ childDescent = child->GetDescent();
- wxRichTextParagraph* newPara = new wxRichTextParagraph(this, & attr);
- if (p)
- newPara->SetAttributes(*p);
+ if (oldSize != child->GetCachedSize())
+ {
+ partialExtents.Clear();
- wxRichTextImage* imageObject = new wxRichTextImage(imageBlock, newPara);
- newPara->AppendChild(imageObject);
- action->GetNewParagraphs().AppendChild(newPara);
- action->GetNewParagraphs().UpdateRanges();
+ // Recalculate the partial text extents since the child object changed size
+ GetRangeSize(GetRange(), paraSize, paraDescent, dc, context, wxRICHTEXT_UNFORMATTED|wxRICHTEXT_CACHE_SIZE, wxPoint(0,0), parentRect.GetSize(), & partialExtents);
+ }
- action->GetNewParagraphs().SetPartialParagraph(true);
+ // Go around the loop finding the available rect for the given floating objects
+ }
+ else
+ doLoop = false;
+ }
+ else
+ doLoop = false;
+ }
+ while (doLoop);
- action->SetPosition(pos);
+ if (child->IsTopLevel())
+ {
+ // We can move it to the correct position at this point
+ // TODO: probably need to add margin
+ child->Move(GetPosition() + wxPoint(currentWidth + (wxMax(leftIndent, leftIndent + leftSubIndent)), currentPosition.y));
+ }
- // Set the range we'll need to delete in Undo
- action->SetRange(wxRichTextRange(pos, pos));
+ // Cases:
+ // 1) There was a line break BEFORE the natural break
+ // 2) There was a line break AFTER the natural break
+ // 3) It's the last line
+ // 4) The child still fits (carry on) - 'else' clause
+
+ if ((lineBreakInThisObject && (childSize.x + currentWidth <= availableRect.width))
+ ||
+ (childSize.x + currentWidth > availableRect.width)
+#if 0
+ ||
+ ((childSize.x + currentWidth <= availableRect.width) && !node->GetNext())
+#endif
+ )
+ {
+ long wrapPosition = 0;
+ if ((childSize.x + currentWidth <= availableRect.width) && !node->GetNext() && !lineBreakInThisObject)
+ wrapPosition = child->GetRange().GetEnd();
+ else
- SubmitAction(action);
+ // Find a place to wrap. This may walk back to previous children,
+ // for example if a word spans several objects.
+ // Note: one object must contains only one wxTextAtrr, so the line height will not
+ // change inside one object. Thus, we can pass the remain line width to the
+ // FindWrapPosition function.
+ if (!FindWrapPosition(wxRichTextRange(lastCompletedEndPos+1, child->GetRange().GetEnd()), dc, context, availableRect.width, wrapPosition, & partialExtents))
+ {
+ // If the function failed, just cut it off at the end of this child.
+ wrapPosition = child->GetRange().GetEnd();
+ }
- return true;
-}
+ // FindWrapPosition can still return a value that will put us in an endless wrapping loop
+ if (wrapPosition <= lastCompletedEndPos)
+ wrapPosition = wxMax(lastCompletedEndPos+1,child->GetRange().GetEnd());
-/// Get the style that is appropriate for a new paragraph at this position.
-/// If the previous paragraph has a paragraph style name, look up the next-paragraph
-/// style.
-wxTextAttr wxRichTextBuffer::GetStyleForNewParagraph(long pos, bool caretPosition, bool lookUpNewParaStyle) const
-{
- wxRichTextParagraph* para = GetParagraphAtPosition(pos, caretPosition);
- if (para)
- {
- wxTextAttr attr;
- bool foundAttributes = false;
+ // Line end position shouldn't be the same as the end, or greater.
+ if (wrapPosition >= GetRange().GetEnd())
+ wrapPosition = wxMax(0, GetRange().GetEnd()-1);
- // Look for a matching paragraph style
- if (lookUpNewParaStyle && !para->GetAttributes().GetParagraphStyleName().IsEmpty() && GetStyleSheet())
- {
- wxRichTextParagraphStyleDefinition* paraDef = GetStyleSheet()->FindParagraphStyle(para->GetAttributes().GetParagraphStyleName());
- if (paraDef)
+ // wxLogDebug(wxT("Split at %ld"), wrapPosition);
+
+ // Let's find the actual size of the current line now
+ wxSize actualSize;
+ wxRichTextRange actualRange(lastCompletedEndPos+1, wrapPosition);
+
+ childDescent = 0;
+
+#if wxRICHTEXT_USE_PARTIAL_TEXT_EXTENTS
+ if (!child->IsEmpty())
{
- // If we're not at the end of the paragraph, then we apply THIS style, and not the designated next style.
- if (para->GetRange().GetEnd() == pos && !paraDef->GetNextStyle().IsEmpty())
- {
- wxRichTextParagraphStyleDefinition* nextParaDef = GetStyleSheet()->FindParagraphStyle(paraDef->GetNextStyle());
- if (nextParaDef)
- {
- foundAttributes = true;
- attr = nextParaDef->GetStyleMergedWithBase(GetStyleSheet());
- }
- }
+ // Get height only, then the width using the partial extents
+ GetRangeSize(actualRange, actualSize, childDescent, dc, context, wxRICHTEXT_UNFORMATTED|wxRICHTEXT_HEIGHT_ONLY, wxPoint(0,0), parentRect.GetSize());
+ actualSize.x = wxRichTextGetRangeWidth(*this, actualRange, partialExtents);
+ }
+ else
+#endif
+ GetRangeSize(actualRange, actualSize, childDescent, dc, context, wxRICHTEXT_UNFORMATTED, wxPoint(0,0), parentRect.GetSize());
- // If we didn't find the 'next style', use this style instead.
- if (!foundAttributes)
- {
- foundAttributes = true;
- attr = paraDef->GetStyleMergedWithBase(GetStyleSheet());
- }
+ currentWidth = actualSize.x;
+
+ // The descent for the whole line at this point, is the correct max descent
+ maxDescent = childDescent;
+ // Maximum ascent
+ maxAscent = actualSize.y-childDescent;
+
+ // lineHeight is given by the height for the whole line, since it will
+ // take into account ascend/descend.
+ lineHeight = actualSize.y;
+
+ if (lineHeight == 0 && buffer)
+ {
+ wxFont font(buffer->GetFontTable().FindFont(attr));
+ wxCheckSetFont(dc, font);
+ lineHeight = dc.GetCharHeight();
}
- }
- if (!foundAttributes)
- {
- attr = para->GetAttributes();
- int flags = attr.GetFlags();
- // Eliminate character styles
- flags &= ( (~ wxTEXT_ATTR_FONT) |
- (~ wxTEXT_ATTR_TEXT_COLOUR) |
- (~ wxTEXT_ATTR_BACKGROUND_COLOUR) );
- attr.SetFlags(flags);
- }
+ if (maxDescent == 0)
+ {
+ int w, h;
+ dc.GetTextExtent(wxT("X"), & w, &h, & maxDescent);
+ }
- // Now see if we need to number the paragraph.
- if (attr.HasBulletStyle())
- {
- wxTextAttr numberingAttr;
- if (FindNextParagraphNumber(para, numberingAttr))
- wxRichTextApplyStyle(attr, (const wxTextAttr&) numberingAttr);
- }
+ // Add a new line
+ wxRichTextLine* line = AllocateLine(lineCount);
- return attr;
- }
- else
- return wxTextAttr();
-}
+ // Set relative range so we won't have to change line ranges when paragraphs are moved
+ line->SetRange(wxRichTextRange(actualRange.GetStart() - GetRange().GetStart(), actualRange.GetEnd() - GetRange().GetStart()));
+ line->SetPosition(currentPosition);
+ line->SetSize(wxSize(currentWidth, lineHeight));
+ line->SetDescent(maxDescent);
-/// Submit command to delete this range
-bool wxRichTextBuffer::DeleteRangeWithUndo(const wxRichTextRange& range, wxRichTextCtrl* ctrl)
-{
- wxRichTextAction* action = new wxRichTextAction(NULL, _("Delete"), wxRICHTEXT_DELETE, this, ctrl);
+ maxHeight = currentPosition.y + lineHeight;
- action->SetPosition(ctrl->GetCaretPosition());
+ // Now move down a line. TODO: add margins, spacing
+ currentPosition.y += lineHeight;
+ currentPosition.y += lineSpacing;
+ maxDescent = 0;
+ maxAscent = 0;
+ maxWidth = wxMax(maxWidth, currentWidth+startOffset);
+ currentWidth = 0;
- // Set the range to delete
- action->SetRange(range);
+ lineCount ++;
- // Copy the fragment that we'll need to restore in Undo
- CopyFragment(range, action->GetOldParagraphs());
+ // TODO: account for zero-length objects
+ // wxASSERT(wrapPosition > lastCompletedEndPos);
- // Special case: if there is only one (non-partial) paragraph,
- // we must save the *next* paragraph's style, because that
- // is the style we must apply when inserting the content back
- // when undoing the delete. (This is because we're merging the
- // paragraph with the previous paragraph and throwing away
- // the style, and we need to restore it.)
- if (!action->GetOldParagraphs().GetPartialParagraph() && action->GetOldParagraphs().GetChildCount() == 1)
- {
- wxRichTextParagraph* lastPara = GetParagraphAtPosition(range.GetStart());
- if (lastPara)
- {
- wxRichTextParagraph* nextPara = GetParagraphAtPosition(range.GetEnd()+1);
- if (nextPara)
+ lastEndPos = wrapPosition;
+ lastCompletedEndPos = lastEndPos;
+
+ lineHeight = 0;
+
+ if (wrapPosition < GetRange().GetEnd()-1)
{
- wxRichTextParagraph* para = (wxRichTextParagraph*) action->GetOldParagraphs().GetChild(0);
- para->SetAttributes(nextPara->GetAttributes());
+ // May need to set the node back to a previous one, due to searching back in wrapping
+ wxRichTextObject* childAfterWrapPosition = FindObjectAtPosition(wrapPosition+1);
+ if (childAfterWrapPosition)
+ node = m_children.Find(childAfterWrapPosition);
+ else
+ node = node->GetNext();
}
+ else
+ node = node->GetNext();
+
+ // Apply paragraph styles such as alignment to the wrapped line
+ ApplyParagraphStyle(line, attr, availableRect, dc);
}
- }
+ else
+ {
+ // We still fit, so don't add a line, and keep going
+ currentWidth += childSize.x;
- SubmitAction(action);
+ if (childDescent == 0)
+ {
+ // An object with a zero descend value wants to take up the whole
+ // height regardless of baseline
+ lineHeight = wxMax(lineHeight, childSize.y);
+ }
+ else
+ {
+ maxDescent = wxMax(childDescent, maxDescent);
+ maxAscent = wxMax(childSize.y-childDescent, maxAscent);
+ }
- return true;
-}
+ lineHeight = wxMax(lineHeight, (maxDescent + maxAscent));
-/// Collapse undo/redo commands
-bool wxRichTextBuffer::BeginBatchUndo(const wxString& cmdName)
-{
- if (m_batchedCommandDepth == 0)
- {
- wxASSERT(m_batchedCommand == NULL);
- if (m_batchedCommand)
- {
- GetCommandProcessor()->Submit(m_batchedCommand);
+ maxWidth = wxMax(maxWidth, currentWidth+startOffset);
+ lastEndPos = child->GetRange().GetEnd();
+
+ node = node->GetNext();
}
- m_batchedCommand = new wxRichTextCommand(cmdName);
}
- m_batchedCommandDepth ++;
+ //wxASSERT(!(lastCompletedEndPos != -1 && lastCompletedEndPos < GetRange().GetEnd()-1));
- return true;
-}
+ // Add the last line - it's the current pos -> last para pos
+ // Substract -1 because the last position is always the end-paragraph position.
+ if (lastCompletedEndPos <= GetRange().GetEnd()-1)
+ {
+ currentPosition.x = (lineCount == 0 ? startPositionFirstLine : startPositionSubsequentLines);
-/// Collapse undo/redo commands
-bool wxRichTextBuffer::EndBatchUndo()
-{
- m_batchedCommandDepth --;
+ wxRichTextLine* line = AllocateLine(lineCount);
- wxASSERT(m_batchedCommandDepth >= 0);
- wxASSERT(m_batchedCommand != NULL);
+ wxRichTextRange actualRange(lastCompletedEndPos+1, GetRange().GetEnd()-1);
- if (m_batchedCommandDepth == 0)
- {
- GetCommandProcessor()->Submit(m_batchedCommand);
- m_batchedCommand = NULL;
+ // Set relative range so we won't have to change line ranges when paragraphs are moved
+ line->SetRange(wxRichTextRange(actualRange.GetStart() - GetRange().GetStart(), actualRange.GetEnd() - GetRange().GetStart()));
+
+ line->SetPosition(currentPosition);
+
+ if (lineHeight == 0 && buffer)
+ {
+ wxFont font(buffer->GetFontTable().FindFont(attr));
+ wxCheckSetFont(dc, font);
+ lineHeight = dc.GetCharHeight();
+ }
+
+ if (maxDescent == 0)
+ {
+ int w, h;
+ dc.GetTextExtent(wxT("X"), & w, &h, & maxDescent);
+ }
+
+ line->SetSize(wxSize(currentWidth, lineHeight));
+ line->SetDescent(maxDescent);
+ currentPosition.y += lineHeight;
+ currentPosition.y += lineSpacing;
+ lineCount ++;
+
+ // Apply paragraph styles such as alignment to the wrapped line
+ ApplyParagraphStyle(line, attr, availableRect, dc);
}
- return true;
-}
+ // Remove remaining unused line objects, if any
+ ClearUnusedLines(lineCount);
-/// Submit immediately, or delay according to whether collapsing is on
-bool wxRichTextBuffer::SubmitAction(wxRichTextAction* action)
-{
- if (BatchingUndo() && m_batchedCommand && !SuppressingUndo())
- m_batchedCommand->AddAction(action);
- else
+ // We need to add back the margins etc.
{
- wxRichTextCommand* cmd = new wxRichTextCommand(action->GetName());
- cmd->AddAction(action);
+ wxRect marginRect, borderRect, contentRect, paddingRect, outlineRect;
+ contentRect = wxRect(wxPoint(0, 0), wxSize(maxWidth, currentPosition.y + spaceAfterPara));
+ GetBoxRects(dc, buffer, attr, marginRect, borderRect, contentRect, paddingRect, outlineRect);
+ SetCachedSize(marginRect.GetSize());
+ }
- // Only store it if we're not suppressing undo.
- return GetCommandProcessor()->Submit(cmd, !SuppressingUndo());
+ // The maximum size is the length of the paragraph stretched out into a line.
+ // So if there were a single word, or an image, or a fixed-size text box, the object could be shrunk around
+ // this size. TODO: take into account line breaks.
+ {
+ wxRect marginRect, borderRect, contentRect, paddingRect, outlineRect;
+ contentRect = wxRect(wxPoint(0, 0), wxSize(paraSize.x + wxMax(leftIndent, leftIndent + leftSubIndent) + rightIndent, currentPosition.y + spaceAfterPara));
+ GetBoxRects(dc, buffer, attr, marginRect, borderRect, contentRect, paddingRect, outlineRect);
+ SetMaxSize(marginRect.GetSize());
}
- return true;
-}
+ // Find the greatest minimum size. Currently we only look at non-text objects,
+ // which isn't ideal but it would be slow to find the maximum word width to
+ // use as the minimum.
+ {
+ int minWidth = 0;
+ node = m_children.GetFirst();
+ while (node)
+ {
+ wxRichTextObject* child = node->GetData();
-/// Begin suppressing undo/redo commands.
-bool wxRichTextBuffer::BeginSuppressUndo()
-{
- m_suppressUndo ++;
+ // If floating, ignore. We already laid out floats.
+ // Also ignore if empty object, except if we haven't got any
+ // size yet.
+ if ((!child->IsFloating() || !wxRichTextBuffer::GetFloatingLayoutMode()) && child->GetRange().GetLength() != 0 && !wxDynamicCast(child, wxRichTextPlainText))
+ {
+ if (child->GetCachedSize().x > minWidth)
+ minWidth = child->GetMinSize().x;
+ }
+ node = node->GetNext();
+ }
- return true;
-}
+ wxRect marginRect, borderRect, contentRect, paddingRect, outlineRect;
+ contentRect = wxRect(wxPoint(0, 0), wxSize(minWidth, currentPosition.y + spaceAfterPara));
+ GetBoxRects(dc, buffer, attr, marginRect, borderRect, contentRect, paddingRect, outlineRect);
+ SetMinSize(marginRect.GetSize());
+ }
-/// End suppressing undo/redo commands.
-bool wxRichTextBuffer::EndSuppressUndo()
-{
- m_suppressUndo --;
+#if wxRICHTEXT_USE_PARTIAL_TEXT_EXTENTS
+#if wxRICHTEXT_USE_OPTIMIZED_LINE_DRAWING
+ // Use the text extents to calculate the size of each fragment in each line
+ wxRichTextLineList::compatibility_iterator lineNode = m_cachedLines.GetFirst();
+ while (lineNode)
+ {
+ wxRichTextLine* line = lineNode->GetData();
+ wxRichTextRange lineRange = line->GetAbsoluteRange();
- return true;
-}
+ // Loop through objects until we get to the one within range
+ wxRichTextObjectList::compatibility_iterator node2 = m_children.GetFirst();
-/// Begin using a style
-bool wxRichTextBuffer::BeginStyle(const wxTextAttr& style)
-{
- wxTextAttr newStyle(GetDefaultStyle());
+ while (node2)
+ {
+ wxRichTextObject* child = node2->GetData();
- // Save the old default style
- m_attributeStack.Append((wxObject*) new wxTextAttr(GetDefaultStyle()));
+ if (child->GetRange().GetLength() > 0 && !child->GetRange().IsOutside(lineRange))
+ {
+ wxRichTextRange rangeToUse = lineRange;
+ rangeToUse.LimitTo(child->GetRange());
- wxRichTextApplyStyle(newStyle, style);
- newStyle.SetFlags(style.GetFlags()|newStyle.GetFlags());
+ // Find the size of the child from the text extents, and store in an array
+ // for drawing later
+ int left = 0;
+ if (rangeToUse.GetStart() > GetRange().GetStart())
+ left = partialExtents[(rangeToUse.GetStart()-1) - GetRange().GetStart()];
+ int right = partialExtents[rangeToUse.GetEnd() - GetRange().GetStart()];
+ int sz = right - left;
+ line->GetObjectSizes().Add(sz);
+ }
+ else if (child->GetRange().GetStart() > lineRange.GetEnd())
+ // Can break out of inner loop now since we've passed this line's range
+ break;
- SetDefaultStyle(newStyle);
+ node2 = node2->GetNext();
+ }
- // wxLogDebug("Default style size = %d", GetDefaultStyle().GetFont().GetPointSize());
+ lineNode = lineNode->GetNext();
+ }
+#endif
+#endif
return true;
}
-/// End the style
-bool wxRichTextBuffer::EndStyle()
+/// Apply paragraph styles, such as centering, to wrapped lines
+/// TODO: take into account box attributes, possibly
+void wxRichTextParagraph::ApplyParagraphStyle(wxRichTextLine* line, const wxRichTextAttr& attr, const wxRect& rect, wxDC& dc)
{
- if (!m_attributeStack.GetFirst())
+ if (!attr.HasAlignment())
+ return;
+
+ wxPoint pos = line->GetPosition();
+ wxPoint originalPos = pos;
+ wxSize size = line->GetSize();
+
+ // centering, right-justification
+ if (attr.HasAlignment() && attr.GetAlignment() == wxTEXT_ALIGNMENT_CENTRE)
{
- wxLogDebug(_("Too many EndStyle calls!"));
- return false;
+ int rightIndent = ConvertTenthsMMToPixels(dc, attr.GetRightIndent());
+ pos.x = (rect.GetWidth() - rightIndent - size.x)/2 + pos.x;
+ line->SetPosition(pos);
+ }
+ else if (attr.HasAlignment() && attr.GetAlignment() == wxTEXT_ALIGNMENT_RIGHT)
+ {
+ int rightIndent = ConvertTenthsMMToPixels(dc, attr.GetRightIndent());
+ pos.x = pos.x + rect.GetWidth() - size.x - rightIndent;
+ line->SetPosition(pos);
}
- wxList::compatibility_iterator node = m_attributeStack.GetLast();
- wxTextAttr* attr = (wxTextAttr*)node->GetData();
- m_attributeStack.Erase(node);
+ if (pos != originalPos)
+ {
+ wxPoint inc = pos - originalPos;
- SetDefaultStyle(*attr);
+ wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
- delete attr;
- return true;
-}
+ while (node)
+ {
+ wxRichTextObject* child = node->GetData();
+ if (child->IsTopLevel() && !child->GetRange().IsOutside(line->GetAbsoluteRange()))
+ child->Move(child->GetPosition() + inc);
-/// End all styles
-bool wxRichTextBuffer::EndAllStyles()
-{
- while (m_attributeStack.GetCount() != 0)
- EndStyle();
- return true;
+ node = node->GetNext();
+ }
+ }
}
-/// Clear the style stack
-void wxRichTextBuffer::ClearStyleStack()
+/// Insert text at the given position
+bool wxRichTextParagraph::InsertText(long pos, const wxString& text)
{
- for (wxList::compatibility_iterator node = m_attributeStack.GetFirst(); node; node = node->GetNext())
- delete (wxTextAttr*) node->GetData();
- m_attributeStack.Clear();
-}
+ wxRichTextObject* childToUse = NULL;
+ wxRichTextObjectList::compatibility_iterator nodeToUse = wxRichTextObjectList::compatibility_iterator();
-/// Begin using bold
-bool wxRichTextBuffer::BeginBold()
-{
- wxTextAttr attr;
- attr.SetFontWeight(wxBOLD);
+ wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
+ {
+ wxRichTextObject* child = node->GetData();
+ if (child->GetRange().Contains(pos) && child->GetRange().GetLength() > 0)
+ {
+ childToUse = child;
+ nodeToUse = node;
+ break;
+ }
- return BeginStyle(attr);
-}
+ node = node->GetNext();
+ }
-/// Begin using italic
-bool wxRichTextBuffer::BeginItalic()
-{
- wxTextAttr attr;
- attr.SetFontStyle(wxITALIC);
+ if (childToUse)
+ {
+ wxRichTextPlainText* textObject = wxDynamicCast(childToUse, wxRichTextPlainText);
+ if (textObject)
+ {
+ int posInString = pos - textObject->GetRange().GetStart();
- return BeginStyle(attr);
-}
+ wxString newText = textObject->GetText().Mid(0, posInString) +
+ text + textObject->GetText().Mid(posInString);
+ textObject->SetText(newText);
-/// Begin using underline
-bool wxRichTextBuffer::BeginUnderline()
-{
- wxTextAttr attr;
- attr.SetFontUnderlined(true);
+ int textLength = text.length();
- return BeginStyle(attr);
-}
+ textObject->SetRange(wxRichTextRange(textObject->GetRange().GetStart(),
+ textObject->GetRange().GetEnd() + textLength));
-/// Begin using point size
-bool wxRichTextBuffer::BeginFontSize(int pointSize)
-{
- wxTextAttr attr;
- attr.SetFontSize(pointSize);
+ // Increment the end range of subsequent fragments in this paragraph.
+ // We'll set the paragraph range itself at a higher level.
- return BeginStyle(attr);
-}
+ wxRichTextObjectList::compatibility_iterator node = nodeToUse->GetNext();
+ while (node)
+ {
+ wxRichTextObject* child = node->GetData();
+ child->SetRange(wxRichTextRange(textObject->GetRange().GetStart() + textLength,
+ textObject->GetRange().GetEnd() + textLength));
-/// Begin using this font
-bool wxRichTextBuffer::BeginFont(const wxFont& font)
-{
- wxTextAttr attr;
- attr.SetFont(font);
+ node = node->GetNext();
+ }
- return BeginStyle(attr);
-}
+ return true;
+ }
+ else
+ {
+ // TODO: if not a text object, insert at closest position, e.g. in front of it
+ }
+ }
+ else
+ {
+ // Add at end.
+ // Don't pass parent initially to suppress auto-setting of parent range.
+ // We'll do that at a higher level.
+ wxRichTextPlainText* textObject = new wxRichTextPlainText(text, this);
-/// Begin using this colour
-bool wxRichTextBuffer::BeginTextColour(const wxColour& colour)
-{
- wxTextAttr attr;
- attr.SetFlags(wxTEXT_ATTR_TEXT_COLOUR);
- attr.SetTextColour(colour);
+ AppendChild(textObject);
+ return true;
+ }
- return BeginStyle(attr);
+ return false;
}
-/// Begin using alignment
-bool wxRichTextBuffer::BeginAlignment(wxTextAttrAlignment alignment)
+void wxRichTextParagraph::Copy(const wxRichTextParagraph& obj)
{
- wxTextAttr attr;
- attr.SetFlags(wxTEXT_ATTR_ALIGNMENT);
- attr.SetAlignment(alignment);
-
- return BeginStyle(attr);
+ wxRichTextCompositeObject::Copy(obj);
}
-/// Begin left indent
-bool wxRichTextBuffer::BeginLeftIndent(int leftIndent, int leftSubIndent)
+/// Clear the cached lines
+void wxRichTextParagraph::ClearLines()
{
- wxTextAttr attr;
- attr.SetFlags(wxTEXT_ATTR_LEFT_INDENT);
- attr.SetLeftIndent(leftIndent, leftSubIndent);
-
- return BeginStyle(attr);
+ WX_CLEAR_LIST(wxRichTextLineList, m_cachedLines);
}
-/// Begin right indent
-bool wxRichTextBuffer::BeginRightIndent(int rightIndent)
+/// Get/set the object size for the given range. Returns false if the range
+/// is invalid for this object.
+bool wxRichTextParagraph::GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, wxRichTextDrawingContext& context, int flags, const wxPoint& position, const wxSize& parentSize, wxArrayInt* partialExtents) const
{
- wxTextAttr attr;
- attr.SetFlags(wxTEXT_ATTR_RIGHT_INDENT);
- attr.SetRightIndent(rightIndent);
-
- return BeginStyle(attr);
-}
+ if (!range.IsWithin(GetRange()))
+ return false;
-/// Begin paragraph spacing
-bool wxRichTextBuffer::BeginParagraphSpacing(int before, int after)
-{
- long flags = 0;
- if (before != 0)
- flags |= wxTEXT_ATTR_PARA_SPACING_BEFORE;
- if (after != 0)
- flags |= wxTEXT_ATTR_PARA_SPACING_AFTER;
+ if (flags & wxRICHTEXT_UNFORMATTED)
+ {
+ // Just use unformatted data, assume no line breaks
+ wxSize sz;
- wxTextAttr attr;
- attr.SetFlags(flags);
- attr.SetParagraphSpacingBefore(before);
- attr.SetParagraphSpacingAfter(after);
+ wxArrayInt childExtents;
+ wxArrayInt* p;
+ if (partialExtents)
+ p = & childExtents;
+ else
+ p = NULL;
- return BeginStyle(attr);
-}
+ int maxDescent = 0;
+ int maxAscent = 0;
+ int maxLineHeight = 0;
-/// Begin line spacing
-bool wxRichTextBuffer::BeginLineSpacing(int lineSpacing)
-{
- wxTextAttr attr;
- attr.SetFlags(wxTEXT_ATTR_LINE_SPACING);
- attr.SetLineSpacing(lineSpacing);
+ wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
+ {
+ wxRichTextObject* child = node->GetData();
+ if (!child->GetRange().IsOutside(range))
+ {
+ // Floating objects have a zero size within the paragraph.
+ if (child->IsFloating() && wxRichTextBuffer::GetFloatingLayoutMode())
+ {
+ if (partialExtents)
+ {
+ int lastSize;
+ if (partialExtents->GetCount() > 0)
+ lastSize = (*partialExtents)[partialExtents->GetCount()-1];
+ else
+ lastSize = 0;
- return BeginStyle(attr);
-}
+ partialExtents->Add(0 /* zero size */ + lastSize);
+ }
+ }
+ else
+ {
+ wxSize childSize;
-/// Begin numbered bullet
-bool wxRichTextBuffer::BeginNumberedBullet(int bulletNumber, int leftIndent, int leftSubIndent, int bulletStyle)
-{
- wxTextAttr attr;
- attr.SetFlags(wxTEXT_ATTR_BULLET_STYLE|wxTEXT_ATTR_LEFT_INDENT);
- attr.SetBulletStyle(bulletStyle);
- attr.SetBulletNumber(bulletNumber);
- attr.SetLeftIndent(leftIndent, leftSubIndent);
+ wxRichTextRange rangeToUse = range;
+ rangeToUse.LimitTo(child->GetRange());
+ int childDescent = 0;
- return BeginStyle(attr);
-}
+ // At present wxRICHTEXT_HEIGHT_ONLY is only fast if we've already cached the size,
+ // but it's only going to be used after caching has taken place.
+ if ((flags & wxRICHTEXT_HEIGHT_ONLY) && child->GetCachedSize().y != 0)
+ {
+ childDescent = child->GetDescent();
+ childSize = child->GetCachedSize();
-/// Begin symbol bullet
-bool wxRichTextBuffer::BeginSymbolBullet(const wxString& symbol, int leftIndent, int leftSubIndent, int bulletStyle)
-{
- wxTextAttr attr;
- attr.SetFlags(wxTEXT_ATTR_BULLET_STYLE|wxTEXT_ATTR_LEFT_INDENT);
- attr.SetBulletStyle(bulletStyle);
- attr.SetLeftIndent(leftIndent, leftSubIndent);
- attr.SetBulletText(symbol);
+ if (childDescent == 0)
+ {
+ maxLineHeight = wxMax(maxLineHeight, childSize.y);
+ }
+ else
+ {
+ maxDescent = wxMax(maxDescent, childDescent);
+ maxAscent = wxMax(maxAscent, (childSize.y - childDescent));
+ }
- return BeginStyle(attr);
-}
+ maxLineHeight = wxMax(maxLineHeight, (maxAscent + maxDescent));
-/// Begin standard bullet
-bool wxRichTextBuffer::BeginStandardBullet(const wxString& bulletName, int leftIndent, int leftSubIndent, int bulletStyle)
-{
- wxTextAttr attr;
- attr.SetFlags(wxTEXT_ATTR_BULLET_STYLE|wxTEXT_ATTR_LEFT_INDENT);
- attr.SetBulletStyle(bulletStyle);
- attr.SetLeftIndent(leftIndent, leftSubIndent);
- attr.SetBulletName(bulletName);
+ sz.y = wxMax(sz.y, maxLineHeight);
+ sz.x += childSize.x;
+ descent = maxDescent;
+ }
+ else if (child->IsTopLevel())
+ {
+ childDescent = child->GetDescent();
+ childSize = child->GetCachedSize();
- return BeginStyle(attr);
-}
+ if (childDescent == 0)
+ {
+ maxLineHeight = wxMax(maxLineHeight, childSize.y);
+ }
+ else
+ {
+ maxDescent = wxMax(maxDescent, childDescent);
+ maxAscent = wxMax(maxAscent, (childSize.y - childDescent));
+ }
-/// Begin named character style
-bool wxRichTextBuffer::BeginCharacterStyle(const wxString& characterStyle)
-{
- if (GetStyleSheet())
- {
- wxRichTextCharacterStyleDefinition* def = GetStyleSheet()->FindCharacterStyle(characterStyle);
- if (def)
- {
- wxTextAttr attr = def->GetStyleMergedWithBase(GetStyleSheet());
- return BeginStyle(attr);
- }
- }
- return false;
-}
+ maxLineHeight = wxMax(maxLineHeight, (maxAscent + maxDescent));
-/// Begin named paragraph style
-bool wxRichTextBuffer::BeginParagraphStyle(const wxString& paragraphStyle)
-{
- if (GetStyleSheet())
- {
- wxRichTextParagraphStyleDefinition* def = GetStyleSheet()->FindParagraphStyle(paragraphStyle);
- if (def)
- {
- wxTextAttr attr = def->GetStyleMergedWithBase(GetStyleSheet());
- return BeginStyle(attr);
- }
- }
- return false;
-}
+ sz.y = wxMax(sz.y, maxLineHeight);
+ sz.x += childSize.x;
+ descent = maxDescent;
-/// Begin named list style
-bool wxRichTextBuffer::BeginListStyle(const wxString& listStyle, int level, int number)
-{
- if (GetStyleSheet())
- {
- wxRichTextListStyleDefinition* def = GetStyleSheet()->FindListStyle(listStyle);
- if (def)
- {
- wxTextAttr attr(def->GetCombinedStyleForLevel(level));
+ // FIXME: this won't change the original values.
+ // Should we be calling GetRangeSize above instead of using cached values?
+#if 0
+ if ((flags & wxRICHTEXT_CACHE_SIZE) && (rangeToUse == child->GetRange()))
+ {
+ child->SetCachedSize(childSize);
+ child->SetDescent(childDescent);
+ }
+#endif
- attr.SetBulletNumber(number);
+ if (partialExtents)
+ {
+ int lastSize;
+ if (partialExtents->GetCount() > 0)
+ lastSize = (*partialExtents)[partialExtents->GetCount()-1];
+ else
+ lastSize = 0;
- return BeginStyle(attr);
+ partialExtents->Add(childSize.x + lastSize);
+ }
+ }
+ else if (child->GetRangeSize(rangeToUse, childSize, childDescent, dc, context, flags, wxPoint(position.x + sz.x, position.y), parentSize, p))
+ {
+ if (childDescent == 0)
+ {
+ maxLineHeight = wxMax(maxLineHeight, childSize.y);
+ }
+ else
+ {
+ maxDescent = wxMax(maxDescent, childDescent);
+ maxAscent = wxMax(maxAscent, (childSize.y - childDescent));
+ }
+
+ maxLineHeight = wxMax(maxLineHeight, (maxAscent + maxDescent));
+
+ sz.y = wxMax(sz.y, maxLineHeight);
+ sz.x += childSize.x;
+ descent = maxDescent;
+
+ if ((flags & wxRICHTEXT_CACHE_SIZE) && (rangeToUse == child->GetRange()))
+ {
+ child->SetCachedSize(childSize);
+ child->SetDescent(childDescent);
+ }
+
+ if (partialExtents)
+ {
+ int lastSize;
+ if (partialExtents->GetCount() > 0)
+ lastSize = (*partialExtents)[partialExtents->GetCount()-1];
+ else
+ lastSize = 0;
+
+ size_t i;
+ for (i = 0; i < childExtents.GetCount(); i++)
+ {
+ partialExtents->Add(childExtents[i] + lastSize);
+ }
+ }
+ }
+ }
+
+ if (p)
+ p->Clear();
+ }
+
+ node = node->GetNext();
}
+ size = sz;
}
- return false;
-}
+ else
+ {
+ // Use formatted data, with line breaks
+ wxSize sz;
-/// Begin URL
-bool wxRichTextBuffer::BeginURL(const wxString& url, const wxString& characterStyle)
-{
- wxTextAttr attr;
+ // We're going to loop through each line, and then for each line,
+ // call GetRangeSize for the fragment that comprises that line.
+ // Only we have to do that multiple times within the line, because
+ // the line may be broken into pieces. For now ignore line break commands
+ // (so we can assume that getting the unformatted size for a fragment
+ // within a line is the actual size)
- if (!characterStyle.IsEmpty() && GetStyleSheet())
- {
- wxRichTextCharacterStyleDefinition* def = GetStyleSheet()->FindCharacterStyle(characterStyle);
- if (def)
+ wxRichTextLineList::compatibility_iterator node = m_cachedLines.GetFirst();
+ while (node)
{
- attr = def->GetStyleMergedWithBase(GetStyleSheet());
- }
- }
- attr.SetURL(url);
+ wxRichTextLine* line = node->GetData();
+ wxRichTextRange lineRange = line->GetAbsoluteRange();
+ if (!lineRange.IsOutside(range))
+ {
+ int maxDescent = 0;
+ int maxAscent = 0;
+ int maxLineHeight = 0;
+ int maxLineWidth = 0;
- return BeginStyle(attr);
-}
+ wxRichTextObjectList::compatibility_iterator node2 = m_children.GetFirst();
+ while (node2)
+ {
+ wxRichTextObject* child = node2->GetData();
-/// Adds a handler to the end
-void wxRichTextBuffer::AddHandler(wxRichTextFileHandler *handler)
-{
- sm_handlers.Append(handler);
-}
+ if ((!child->IsFloating() || !wxRichTextBuffer::GetFloatingLayoutMode()) && !child->GetRange().IsOutside(lineRange))
+ {
+ wxRichTextRange rangeToUse = lineRange;
+ rangeToUse.LimitTo(child->GetRange());
+ if (child->IsTopLevel())
+ rangeToUse = child->GetOwnRange();
-/// Inserts a handler at the front
-void wxRichTextBuffer::InsertHandler(wxRichTextFileHandler *handler)
-{
- sm_handlers.Insert( handler );
+ wxSize childSize;
+ int childDescent = 0;
+ if (child->GetRangeSize(rangeToUse, childSize, childDescent, dc, context, flags, wxPoint(position.x + sz.x, position.y), parentSize))
+ {
+ if (childDescent == 0)
+ {
+ // Assume that if descent is zero, this child can occupy the full line height
+ // and does not need space for the line's maximum descent. So we influence
+ // the overall max line height only.
+ maxLineHeight = wxMax(maxLineHeight, childSize.y);
+ }
+ else
+ {
+ maxAscent = wxMax(maxAscent, (childSize.y - childDescent));
+ maxDescent = wxMax(maxAscent, childDescent);
+ }
+ maxLineHeight = wxMax(maxLineHeight, (maxAscent + maxDescent));
+ maxLineWidth += childSize.x;
+ }
+ }
+
+ node2 = node2->GetNext();
+ }
+
+ descent = wxMax(descent, maxDescent);
+
+ // Increase size by a line (TODO: paragraph spacing)
+ sz.y += maxLineHeight;
+ sz.x = wxMax(sz.x, maxLineWidth);
+ }
+ node = node->GetNext();
+ }
+ size = sz;
+ }
+ return true;
}
-/// Removes a handler
-bool wxRichTextBuffer::RemoveHandler(const wxString& name)
+/// Finds the absolute position and row height for the given character position
+bool wxRichTextParagraph::FindPosition(wxDC& dc, wxRichTextDrawingContext& context, long index, wxPoint& pt, int* height, bool forceLineStart)
{
- wxRichTextFileHandler *handler = FindHandler(name);
- if (handler)
+ if (index == -1)
{
- sm_handlers.DeleteObject(handler);
- delete handler;
+ wxRichTextLine* line = ((wxRichTextParagraphLayoutBox*)GetParent())->GetLineAtPosition(0);
+ if (line)
+ *height = line->GetSize().y;
+ else
+ *height = dc.GetCharHeight();
+
+ // -1 means 'the start of the buffer'.
+ pt = GetPosition();
+ if (line)
+ pt = pt + line->GetPosition();
+
return true;
}
- else
- return false;
-}
-/// Finds a handler by filename or, if supplied, type
-wxRichTextFileHandler *wxRichTextBuffer::FindHandlerFilenameOrType(const wxString& filename, int imageType)
-{
- if (imageType != wxRICHTEXT_TYPE_ANY)
- return FindHandler(imageType);
- else if (!filename.IsEmpty())
+ // The final position in a paragraph is taken to mean the position
+ // at the start of the next paragraph.
+ if (index == GetRange().GetEnd())
{
- wxString path, file, ext;
- wxSplitPath(filename, & path, & file, & ext);
- return FindHandler(ext, imageType);
+ wxRichTextParagraphLayoutBox* parent = wxDynamicCast(GetParent(), wxRichTextParagraphLayoutBox);
+ wxASSERT( parent != NULL );
+
+ // Find the height at the next paragraph, if any
+ wxRichTextLine* line = parent->GetLineAtPosition(index + 1);
+ if (line)
+ {
+ *height = line->GetSize().y;
+ pt = line->GetAbsolutePosition();
+ }
+ else
+ {
+ *height = dc.GetCharHeight();
+ int indent = ConvertTenthsMMToPixels(dc, m_attributes.GetLeftIndent());
+ pt = wxPoint(indent, GetCachedSize().y);
+ }
+
+ return true;
}
- else
- return NULL;
-}
+ if (index < GetRange().GetStart() || index > GetRange().GetEnd())
+ return false;
-/// Finds a handler by name
-wxRichTextFileHandler* wxRichTextBuffer::FindHandler(const wxString& name)
-{
- wxList::compatibility_iterator node = sm_handlers.GetFirst();
+ wxRichTextLineList::compatibility_iterator node = m_cachedLines.GetFirst();
while (node)
{
- wxRichTextFileHandler *handler = (wxRichTextFileHandler*)node->GetData();
- if (handler->GetName().Lower() == name.Lower()) return handler;
+ wxRichTextLine* line = node->GetData();
+ wxRichTextRange lineRange = line->GetAbsoluteRange();
+ if (index >= lineRange.GetStart() && index <= lineRange.GetEnd())
+ {
+ // If this is the last point in the line, and we're forcing the
+ // returned value to be the start of the next line, do the required
+ // thing.
+ if (index == lineRange.GetEnd() && forceLineStart)
+ {
+ if (node->GetNext())
+ {
+ wxRichTextLine* nextLine = node->GetNext()->GetData();
+ *height = nextLine->GetSize().y;
+ pt = nextLine->GetAbsolutePosition();
+ return true;
+ }
+ }
+
+ pt.y = line->GetPosition().y + GetPosition().y;
+
+ wxRichTextRange r(lineRange.GetStart(), index);
+ wxSize rangeSize;
+ int descent = 0;
+
+ // We find the size of the line up to this point,
+ // then we can add this size to the line start position and
+ // paragraph start position to find the actual position.
+
+ if (GetRangeSize(r, rangeSize, descent, dc, context, wxRICHTEXT_UNFORMATTED, line->GetPosition()+ GetPosition()))
+ {
+ pt.x = line->GetPosition().x + GetPosition().x + rangeSize.x;
+ *height = line->GetSize().y;
+
+ return true;
+ }
+
+ }
node = node->GetNext();
}
- return NULL;
+
+ return false;
}
-/// Finds a handler by extension and type
-wxRichTextFileHandler* wxRichTextBuffer::FindHandler(const wxString& extension, int type)
+/// Hit-testing: returns a flag indicating hit test details, plus
+/// information about position
+int wxRichTextParagraph::HitTest(wxDC& dc, wxRichTextDrawingContext& context, const wxPoint& pt, long& textPosition, wxRichTextObject** obj, wxRichTextObject** contextObj, int flags)
{
- wxList::compatibility_iterator node = sm_handlers.GetFirst();
- while (node)
+ if (!IsShown())
+ return wxRICHTEXT_HITTEST_NONE;
+
+ // If we're in the top-level container, then we can return
+ // a suitable hit test code even if the point is outside the container area,
+ // so that we can position the caret sensibly even if we don't
+ // click on valid content. If we're not at the top-level, and the point
+ // is not within this paragraph object, then we don't want to stop more
+ // precise hit-testing from working prematurely, so return immediately.
+ // NEW STRATEGY: use the parent boundary to test whether we're in the
+ // right region, not the paragraph, since the paragraph may be positioned
+ // some way in from where the user clicks.
{
- wxRichTextFileHandler *handler = (wxRichTextFileHandler*)node->GetData();
- if ( handler->GetExtension().Lower() == extension.Lower() &&
- (type == wxRICHTEXT_TYPE_ANY || handler->GetType() == type) )
- return handler;
- node = node->GetNext();
+ long tmpPos;
+ wxRichTextObject* tempObj, *tempContextObj;
+ if (GetParent() && GetParent()->wxRichTextObject::HitTest(dc, context, pt, tmpPos, & tempObj, & tempContextObj, flags) == wxRICHTEXT_HITTEST_NONE)
+ return wxRICHTEXT_HITTEST_NONE;
}
- return 0;
-}
-/// Finds a handler by type
-wxRichTextFileHandler* wxRichTextBuffer::FindHandler(int type)
-{
- wxList::compatibility_iterator node = sm_handlers.GetFirst();
- while (node)
+ wxRichTextObjectList::compatibility_iterator objNode = m_children.GetFirst();
+ while (objNode)
{
- wxRichTextFileHandler *handler = (wxRichTextFileHandler *)node->GetData();
- if (handler->GetType() == type) return handler;
- node = node->GetNext();
+ wxRichTextObject* child = objNode->GetData();
+ // Don't recurse if we have wxRICHTEXT_HITTEST_NO_NESTED_OBJECTS,
+ // and also, if this seems composite but actually is marked as atomic,
+ // don't recurse.
+ if (child->IsTopLevel() && ((flags & wxRICHTEXT_HITTEST_NO_NESTED_OBJECTS) == 0) &&
+ (! (((flags & wxRICHTEXT_HITTEST_HONOUR_ATOMIC) != 0) && child->IsAtomic())))
+ {
+ {
+ int hitTest = child->HitTest(dc, context, pt, textPosition, obj, contextObj);
+ if (hitTest != wxRICHTEXT_HITTEST_NONE)
+ return hitTest;
+ }
+ }
+
+ objNode = objNode->GetNext();
}
- return NULL;
-}
-void wxRichTextBuffer::InitStandardHandlers()
-{
- if (!FindHandler(wxRICHTEXT_TYPE_TEXT))
- AddHandler(new wxRichTextPlainTextHandler);
-}
+ wxPoint paraPos = GetPosition();
-void wxRichTextBuffer::CleanUpHandlers()
-{
- wxList::compatibility_iterator node = sm_handlers.GetFirst();
+ wxRichTextLineList::compatibility_iterator node = m_cachedLines.GetFirst();
while (node)
{
- wxRichTextFileHandler* handler = (wxRichTextFileHandler*)node->GetData();
- wxList::compatibility_iterator next = node->GetNext();
- delete handler;
- node = next;
- }
-
- sm_handlers.Clear();
-}
-
-wxString wxRichTextBuffer::GetExtWildcard(bool combine, bool save, wxArrayInt* types)
-{
- if (types)
- types->Clear();
-
- wxString wildcard;
+ wxRichTextLine* line = node->GetData();
+ wxPoint linePos = paraPos + line->GetPosition();
+ wxSize lineSize = line->GetSize();
+ wxRichTextRange lineRange = line->GetAbsoluteRange();
- wxList::compatibility_iterator node = GetHandlers().GetFirst();
- int count = 0;
- while (node)
- {
- wxRichTextFileHandler* handler = (wxRichTextFileHandler*) node->GetData();
- if (handler->IsVisible() && ((save && handler->CanSave()) || !save && handler->CanLoad()))
+ if (pt.y <= linePos.y + lineSize.y)
{
- if (combine)
+ if (pt.x < linePos.x)
{
- if (count > 0)
- wildcard += wxT(";");
- wildcard += wxT("*.") + handler->GetExtension();
+ textPosition = lineRange.GetStart();
+ *obj = FindObjectAtPosition(textPosition);
+ *contextObj = GetContainer();
+ return wxRICHTEXT_HITTEST_BEFORE|wxRICHTEXT_HITTEST_OUTSIDE;
}
- else
+ else if (pt.x >= (linePos.x + lineSize.x))
{
- if (count > 0)
- wildcard += wxT("|");
- wildcard += handler->GetName();
- wildcard += wxT(" ");
- wildcard += _("files");
- wildcard += wxT(" (*.");
- wildcard += handler->GetExtension();
- wildcard += wxT(")|*.");
- wildcard += handler->GetExtension();
- if (types)
- types->Add(handler->GetType());
+ textPosition = lineRange.GetEnd();
+ *obj = FindObjectAtPosition(textPosition);
+ *contextObj = GetContainer();
+ return wxRICHTEXT_HITTEST_AFTER|wxRICHTEXT_HITTEST_OUTSIDE;
}
- count ++;
- }
-
- node = node->GetNext();
- }
+ else
+ {
+#if wxRICHTEXT_USE_PARTIAL_TEXT_EXTENTS
+ wxArrayInt partialExtents;
- if (combine)
- wildcard = wxT("(") + wildcard + wxT(")|") + wildcard;
- return wildcard;
-}
+ wxSize paraSize;
+ int paraDescent;
-/// Load a file
-bool wxRichTextBuffer::LoadFile(const wxString& filename, int type)
-{
- wxRichTextFileHandler* handler = FindHandlerFilenameOrType(filename, type);
- if (handler)
- {
- SetDefaultStyle(wxTextAttr());
- handler->SetFlags(GetHandlerFlags());
- bool success = handler->LoadFile(this, filename);
- Invalidate(wxRICHTEXT_ALL);
- return success;
- }
- else
- return false;
-}
+ // This calculates the partial text extents
+ GetRangeSize(lineRange, paraSize, paraDescent, dc, context, wxRICHTEXT_UNFORMATTED, linePos, wxDefaultSize, & partialExtents);
-/// Save a file
-bool wxRichTextBuffer::SaveFile(const wxString& filename, int type)
-{
- wxRichTextFileHandler* handler = FindHandlerFilenameOrType(filename, type);
- if (handler)
- {
- handler->SetFlags(GetHandlerFlags());
- return handler->SaveFile(this, filename);
- }
- else
- return false;
-}
+ int lastX = linePos.x;
+ size_t i;
+ for (i = 0; i < partialExtents.GetCount(); i++)
+ {
+ int nextX = partialExtents[i] + linePos.x;
-/// Load from a stream
-bool wxRichTextBuffer::LoadFile(wxInputStream& stream, int type)
-{
- wxRichTextFileHandler* handler = FindHandler(type);
- if (handler)
- {
- SetDefaultStyle(wxTextAttr());
- handler->SetFlags(GetHandlerFlags());
- bool success = handler->LoadFile(this, stream);
- Invalidate(wxRICHTEXT_ALL);
- return success;
- }
- else
- return false;
-}
+ if (pt.x >= lastX && pt.x <= nextX)
+ {
+ textPosition = i + lineRange.GetStart(); // minus 1?
-/// Save to a stream
-bool wxRichTextBuffer::SaveFile(wxOutputStream& stream, int type)
-{
- wxRichTextFileHandler* handler = FindHandler(type);
- if (handler)
- {
- handler->SetFlags(GetHandlerFlags());
- return handler->SaveFile(this, stream);
- }
- else
- return false;
-}
+ *obj = FindObjectAtPosition(textPosition);
+ *contextObj = GetContainer();
-/// Copy the range to the clipboard
-bool wxRichTextBuffer::CopyToClipboard(const wxRichTextRange& range)
-{
- bool success = false;
-#if wxUSE_CLIPBOARD && wxUSE_DATAOBJ
+ // So now we know it's between i-1 and i.
+ // Let's see if we can be more precise about
+ // which side of the position it's on.
- if (!wxTheClipboard->IsOpened() && wxTheClipboard->Open())
- {
- wxTheClipboard->Clear();
+ int midPoint = (nextX + lastX)/2;
+ if (pt.x >= midPoint)
+ return wxRICHTEXT_HITTEST_AFTER;
+ else
+ return wxRICHTEXT_HITTEST_BEFORE;
+ }
- // Add composite object
+ lastX = nextX;
+ }
+#else
+ long i;
+ int lastX = linePos.x;
+ for (i = lineRange.GetStart(); i <= lineRange.GetEnd(); i++)
+ {
+ wxSize childSize;
+ int descent = 0;
- wxDataObjectComposite* compositeObject = new wxDataObjectComposite();
+ wxRichTextRange rangeToUse(lineRange.GetStart(), i);
- {
- wxString text = GetTextForRange(range);
+ GetRangeSize(rangeToUse, childSize, descent, dc, context, wxRICHTEXT_UNFORMATTED, linePos);
-#ifdef __WXMSW__
- text = wxTextFile::Translate(text, wxTextFileType_Dos);
-#endif
+ int nextX = childSize.x + linePos.x;
- compositeObject->Add(new wxTextDataObject(text), false /* not preferred */);
- }
+ if (pt.x >= lastX && pt.x <= nextX)
+ {
+ textPosition = i;
- // Add rich text buffer data object. This needs the XML handler to be present.
+ *obj = FindObjectAtPosition(textPosition);
+ *contextObj = GetContainer();
- if (FindHandler(wxRICHTEXT_TYPE_XML))
- {
- wxRichTextBuffer* richTextBuf = new wxRichTextBuffer;
- CopyFragment(range, *richTextBuf);
+ // So now we know it's between i-1 and i.
+ // Let's see if we can be more precise about
+ // which side of the position it's on.
- compositeObject->Add(new wxRichTextBufferDataObject(richTextBuf), true /* preferred */);
+ int midPoint = (nextX + lastX)/2;
+ if (pt.x >= midPoint)
+ return wxRICHTEXT_HITTEST_AFTER;
+ else
+ return wxRICHTEXT_HITTEST_BEFORE;
+ }
+ else
+ {
+ lastX = nextX;
+ }
+ }
+#endif
+ }
}
- if (wxTheClipboard->SetData(compositeObject))
- success = true;
-
- wxTheClipboard->Close();
+ node = node->GetNext();
}
-#else
- wxUnusedVar(range);
-#endif
- return success;
+ return wxRICHTEXT_HITTEST_NONE;
}
-/// Paste the clipboard content to the buffer
-bool wxRichTextBuffer::PasteFromClipboard(long position)
+/// Split an object at this position if necessary, and return
+/// the previous object, or NULL if inserting at beginning.
+wxRichTextObject* wxRichTextParagraph::SplitAt(long pos, wxRichTextObject** previousObject)
{
- bool success = false;
-#if wxUSE_CLIPBOARD && wxUSE_DATAOBJ
- if (CanPasteFromClipboard())
+ wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
{
- if (wxTheClipboard->Open())
+ wxRichTextObject* child = node->GetData();
+
+ if (pos == child->GetRange().GetStart())
{
- if (wxTheClipboard->IsSupported(wxDataFormat(wxRichTextBufferDataObject::GetRichTextBufferFormatId())))
+ if (previousObject)
{
- wxRichTextBufferDataObject data;
- wxTheClipboard->GetData(data);
- wxRichTextBuffer* richTextBuffer = data.GetRichTextBuffer();
- if (richTextBuffer)
- {
- InsertParagraphsWithUndo(position+1, *richTextBuffer, GetRichTextCtrl(), wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE);
- delete richTextBuffer;
- }
+ if (node->GetPrevious())
+ *previousObject = node->GetPrevious()->GetData();
+ else
+ *previousObject = NULL;
}
- else if (wxTheClipboard->IsSupported(wxDF_TEXT) || wxTheClipboard->IsSupported(wxDF_UNICODETEXT))
- {
- wxTextDataObject data;
- wxTheClipboard->GetData(data);
- wxString text(data.GetText());
- text.Replace(_T("\r\n"), _T("\n"));
- InsertTextWithUndo(position+1, text, GetRichTextCtrl());
+ return child;
+ }
- success = true;
+ if (child->GetRange().Contains(pos))
+ {
+ // This should create a new object, transferring part of
+ // the content to the old object and the rest to the new object.
+ wxRichTextObject* newObject = child->DoSplit(pos);
+
+ // If we couldn't split this object, just insert in front of it.
+ if (!newObject)
+ {
+ // Maybe this is an empty string, try the next one
+ // return child;
}
- else if (wxTheClipboard->IsSupported(wxDF_BITMAP))
+ else
{
- wxBitmapDataObject data;
- wxTheClipboard->GetData(data);
- wxBitmap bitmap(data.GetBitmap());
- wxImage image(bitmap.ConvertToImage());
-
- wxRichTextAction* action = new wxRichTextAction(NULL, _("Insert Image"), wxRICHTEXT_INSERT, this, GetRichTextCtrl(), false);
-
- action->GetNewParagraphs().AddImage(image);
-
- if (action->GetNewParagraphs().GetChildCount() == 1)
- action->GetNewParagraphs().SetPartialParagraph(true);
-
- action->SetPosition(position);
-
- // Set the range we'll need to delete in Undo
- action->SetRange(wxRichTextRange(position, position));
+ // Insert the new object after 'child'
+ if (node->GetNext())
+ m_children.Insert(node->GetNext(), newObject);
+ else
+ m_children.Append(newObject);
+ newObject->SetParent(this);
- SubmitAction(action);
+ if (previousObject)
+ *previousObject = child;
- success = true;
+ return newObject;
}
- wxTheClipboard->Close();
}
+
+ node = node->GetNext();
}
-#else
- wxUnusedVar(position);
-#endif
- return success;
+ if (previousObject)
+ *previousObject = NULL;
+ return NULL;
}
-/// Can we paste from the clipboard?
-bool wxRichTextBuffer::CanPasteFromClipboard() const
+/// Move content to a list from obj on
+void wxRichTextParagraph::MoveToList(wxRichTextObject* obj, wxList& list)
{
- bool canPaste = false;
-#if wxUSE_CLIPBOARD && wxUSE_DATAOBJ
- if (!wxTheClipboard->IsOpened() && wxTheClipboard->Open())
+ wxRichTextObjectList::compatibility_iterator node = m_children.Find(obj);
+ while (node)
{
- if (wxTheClipboard->IsSupported(wxDF_TEXT) || wxTheClipboard->IsSupported(wxDF_UNICODETEXT) ||
- wxTheClipboard->IsSupported(wxDataFormat(wxRichTextBufferDataObject::GetRichTextBufferFormatId())) ||
- wxTheClipboard->IsSupported(wxDF_BITMAP))
- {
- canPaste = true;
- }
- wxTheClipboard->Close();
+ wxRichTextObject* child = node->GetData();
+ list.Append(child);
+
+ wxRichTextObjectList::compatibility_iterator oldNode = node;
+
+ node = node->GetNext();
+
+ m_children.DeleteNode(oldNode);
}
-#endif
- return canPaste;
}
-/// Dumps contents of buffer for debugging purposes
-void wxRichTextBuffer::Dump()
+/// Add content back from list
+void wxRichTextParagraph::MoveFromList(wxList& list)
{
- wxString text;
+ for (wxList::compatibility_iterator node = list.GetFirst(); node; node = node->GetNext())
{
- wxStringOutputStream stream(& text);
- wxTextOutputStream textStream(stream);
- Dump(textStream);
+ AppendChild((wxRichTextObject*) node->GetData());
}
-
- wxLogDebug(text);
}
-/// Add an event handler
-bool wxRichTextBuffer::AddEventHandler(wxEvtHandler* handler)
+/// Calculate range
+void wxRichTextParagraph::CalculateRange(long start, long& end)
{
- m_eventHandlers.Append(handler);
- return true;
+ wxRichTextCompositeObject::CalculateRange(start, end);
+
+ // Add one for end of paragraph
+ end ++;
+
+ m_range.SetRange(start, end);
}
-/// Remove an event handler
-bool wxRichTextBuffer::RemoveEventHandler(wxEvtHandler* handler, bool deleteHandler)
+/// Find the object at the given position
+wxRichTextObject* wxRichTextParagraph::FindObjectAtPosition(long position)
{
- wxList::compatibility_iterator node = m_eventHandlers.Find(handler);
- if (node)
+ wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
{
- m_eventHandlers.Erase(node);
- if (deleteHandler)
- delete handler;
+ wxRichTextObject* obj = node->GetData();
+ if (obj->GetRange().Contains(position) ||
+ obj->GetRange().GetStart() == position ||
+ obj->GetRange().GetEnd() == position)
+ return obj;
- return true;
+ node = node->GetNext();
}
- else
- return false;
+ return NULL;
}
-/// Clear event handlers
-void wxRichTextBuffer::ClearEventHandlers()
+/// Get the plain text searching from the start or end of the range.
+/// The resulting string may be shorter than the range given.
+bool wxRichTextParagraph::GetContiguousPlainText(wxString& text, const wxRichTextRange& range, bool fromStart)
{
- m_eventHandlers.Clear();
-}
+ text = wxEmptyString;
-/// Send event to event handlers. If sendToAll is true, will send to all event handlers,
-/// otherwise will stop at the first successful one.
-bool wxRichTextBuffer::SendEvent(wxEvent& event, bool sendToAll)
-{
- bool success = false;
- for (wxList::compatibility_iterator node = m_eventHandlers.GetFirst(); node; node = node->GetNext())
+ if (fromStart)
{
- wxEvtHandler* handler = (wxEvtHandler*) node->GetData();
- if (handler->ProcessEvent(event))
+ wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
{
- success = true;
- if (!sendToAll)
- return true;
+ wxRichTextObject* obj = node->GetData();
+ if (!obj->GetRange().IsOutside(range))
+ {
+ wxRichTextPlainText* textObj = wxDynamicCast(obj, wxRichTextPlainText);
+ if (textObj)
+ {
+ text += textObj->GetTextForRange(range);
+ }
+ else
+ {
+ text += wxT(" ");
+ }
+ }
+
+ node = node->GetNext();
}
}
- return success;
-}
-
-/// Set style sheet and notify of the change
-bool wxRichTextBuffer::SetStyleSheetAndNotify(wxRichTextStyleSheet* sheet)
-{
- wxRichTextStyleSheet* oldSheet = GetStyleSheet();
-
- wxWindowID id = wxID_ANY;
- if (GetRichTextCtrl())
- id = GetRichTextCtrl()->GetId();
-
- wxRichTextEvent event(wxEVT_COMMAND_RICHTEXT_STYLESHEET_REPLACING, id);
- event.SetEventObject(GetRichTextCtrl());
- event.SetOldStyleSheet(oldSheet);
- event.SetNewStyleSheet(sheet);
- event.Allow();
-
- if (SendEvent(event) && !event.IsAllowed())
+ else
{
- if (sheet != oldSheet)
- delete sheet;
+ wxRichTextObjectList::compatibility_iterator node = m_children.GetLast();
+ while (node)
+ {
+ wxRichTextObject* obj = node->GetData();
+ if (!obj->GetRange().IsOutside(range))
+ {
+ wxRichTextPlainText* textObj = wxDynamicCast(obj, wxRichTextPlainText);
+ if (textObj)
+ {
+ text = textObj->GetTextForRange(range) + text;
+ }
+ else
+ {
+ text = wxT(" ") + text;
+ }
+ }
- return false;
+ node = node->GetPrevious();
+ }
}
- if (oldSheet && oldSheet != sheet)
- delete oldSheet;
-
- SetStyleSheet(sheet);
-
- event.SetEventType(wxEVT_COMMAND_RICHTEXT_STYLESHEET_REPLACED);
- event.SetOldStyleSheet(NULL);
- event.Allow();
-
- return SendEvent(event);
+ return true;
}
-/// Set renderer, deleting old one
-void wxRichTextBuffer::SetRenderer(wxRichTextRenderer* renderer)
+/// Find a suitable wrap position.
+bool wxRichTextParagraph::FindWrapPosition(const wxRichTextRange& range, wxDC& dc, wxRichTextDrawingContext& context, int availableSpace, long& wrapPosition, wxArrayInt* partialExtents)
{
- if (sm_renderer)
- delete sm_renderer;
- sm_renderer = renderer;
-}
+ if (range.GetLength() <= 0)
+ return false;
-bool wxRichTextStdRenderer::DrawStandardBullet(wxRichTextParagraph* paragraph, wxDC& dc, const wxTextAttr& bulletAttr, const wxRect& rect)
-{
- if (bulletAttr.GetTextColour().Ok())
+ // Find the first position where the line exceeds the available space.
+ wxSize sz;
+ long breakPosition = range.GetEnd();
+
+#if wxRICHTEXT_USE_PARTIAL_TEXT_EXTENTS
+ if (partialExtents && partialExtents->GetCount() >= (size_t) (GetRange().GetLength()-1)) // the final position in a paragraph is the newline
{
- dc.SetPen(wxPen(bulletAttr.GetTextColour()));
- dc.SetBrush(wxBrush(bulletAttr.GetTextColour()));
+ int widthBefore;
+
+ if (range.GetStart() > GetRange().GetStart())
+ widthBefore = (*partialExtents)[range.GetStart() - GetRange().GetStart() - 1];
+ else
+ widthBefore = 0;
+
+ size_t i;
+ for (i = (size_t) range.GetStart(); i <= (size_t) range.GetEnd(); i++)
+ {
+ int widthFromStartOfThisRange = (*partialExtents)[i - GetRange().GetStart()] - widthBefore;
+
+ if (widthFromStartOfThisRange > availableSpace)
+ {
+ breakPosition = i-1;
+ break;
+ }
+ }
}
else
+#endif
{
- dc.SetPen(*wxBLACK_PEN);
- dc.SetBrush(*wxBLACK_BRUSH);
- }
+ // Binary chop for speed
+ long minPos = range.GetStart();
+ long maxPos = range.GetEnd();
+ while (true)
+ {
+ if (minPos == maxPos)
+ {
+ int descent = 0;
+ GetRangeSize(wxRichTextRange(range.GetStart(), minPos), sz, descent, dc, context, wxRICHTEXT_UNFORMATTED);
- wxFont font;
- if (bulletAttr.HasFont())
- {
- font = paragraph->GetBuffer()->GetFontTable().FindFont(bulletAttr);
- }
- else
- font = (*wxNORMAL_FONT);
+ if (sz.x > availableSpace)
+ breakPosition = minPos - 1;
+ break;
+ }
+ else if ((maxPos - minPos) == 1)
+ {
+ int descent = 0;
+ GetRangeSize(wxRichTextRange(range.GetStart(), minPos), sz, descent, dc, context, wxRICHTEXT_UNFORMATTED);
- dc.SetFont(font);
+ if (sz.x > availableSpace)
+ breakPosition = minPos - 1;
+ else
+ {
+ GetRangeSize(wxRichTextRange(range.GetStart(), maxPos), sz, descent, dc, context, wxRICHTEXT_UNFORMATTED);
+ if (sz.x > availableSpace)
+ breakPosition = maxPos-1;
+ }
+ break;
+ }
+ else
+ {
+ long nextPos = minPos + ((maxPos - minPos) / 2);
- int charHeight = dc.GetCharHeight();
+ int descent = 0;
+ GetRangeSize(wxRichTextRange(range.GetStart(), nextPos), sz, descent, dc, context, wxRICHTEXT_UNFORMATTED);
- int bulletWidth = (int) (((float) charHeight) * wxRichTextBuffer::GetBulletProportion());
- int bulletHeight = bulletWidth;
+ if (sz.x > availableSpace)
+ {
+ maxPos = nextPos;
+ }
+ else
+ {
+ minPos = nextPos;
+ }
+ }
+ }
+ }
- int x = rect.x;
+ // Now we know the last position on the line.
+ // Let's try to find a word break.
- // Calculate the top position of the character (as opposed to the whole line height)
- int y = rect.y + (rect.height - charHeight);
+ wxString plainText;
+ if (GetContiguousPlainText(plainText, wxRichTextRange(range.GetStart(), breakPosition), false))
+ {
+ int newLinePos = plainText.Find(wxRichTextLineBreakChar);
+ if (newLinePos != wxNOT_FOUND)
+ {
+ breakPosition = wxMax(0, range.GetStart() + newLinePos);
+ }
+ else
+ {
+ int spacePos = plainText.Find(wxT(' '), true);
+ int tabPos = plainText.Find(wxT('\t'), true);
+ int pos = wxMax(spacePos, tabPos);
+ if (pos != wxNOT_FOUND)
+ {
+ int positionsFromEndOfString = plainText.length() - pos - 1;
+ breakPosition = breakPosition - positionsFromEndOfString;
+ }
+ }
+ }
- // Calculate where the bullet should be positioned
- y = y + (charHeight+1)/2 - (bulletHeight+1)/2;
+ wrapPosition = breakPosition;
- // The margin between a bullet and text.
- int margin = paragraph->ConvertTenthsMMToPixels(dc, wxRichTextBuffer::GetBulletRightMargin());
+ return true;
+}
- if (bulletAttr.GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_ALIGN_RIGHT)
- x = rect.x + rect.width - bulletWidth - margin;
- else if (bulletAttr.GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_ALIGN_CENTRE)
- x = x + (rect.width)/2 - bulletWidth/2;
+/// Get the bullet text for this paragraph.
+wxString wxRichTextParagraph::GetBulletText()
+{
+ if (GetAttributes().GetBulletStyle() == wxTEXT_ATTR_BULLET_STYLE_NONE ||
+ (GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_BITMAP))
+ return wxEmptyString;
- if (bulletAttr.GetBulletName() == wxT("standard/square"))
+ int number = GetAttributes().GetBulletNumber();
+
+ wxString text;
+ if ((GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_ARABIC) || (GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_OUTLINE))
{
- dc.DrawRectangle(x, y, bulletWidth, bulletHeight);
+ text.Printf(wxT("%d"), number);
}
- else if (bulletAttr.GetBulletName() == wxT("standard/diamond"))
+ else if (GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_LETTERS_UPPER)
{
- wxPoint pts[5];
- pts[0].x = x; pts[0].y = y + bulletHeight/2;
- pts[1].x = x + bulletWidth/2; pts[1].y = y;
- pts[2].x = x + bulletWidth; pts[2].y = y + bulletHeight/2;
- pts[3].x = x + bulletWidth/2; pts[3].y = y + bulletHeight;
+ // TODO: Unicode, and also check if number > 26
+ text.Printf(wxT("%c"), (wxChar) (number+64));
+ }
+ else if (GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_LETTERS_LOWER)
+ {
+ // TODO: Unicode, and also check if number > 26
+ text.Printf(wxT("%c"), (wxChar) (number+96));
+ }
+ else if (GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_ROMAN_UPPER)
+ {
+ text = wxRichTextDecimalToRoman(number);
+ }
+ else if (GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_ROMAN_LOWER)
+ {
+ text = wxRichTextDecimalToRoman(number);
+ text.MakeLower();
+ }
+ else if (GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_SYMBOL)
+ {
+ text = GetAttributes().GetBulletText();
+ }
- dc.DrawPolygon(4, pts);
+ if (GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_OUTLINE)
+ {
+ // The outline style relies on the text being computed statically,
+ // since it depends on other levels points (e.g. 1.2.1.1). So normally the bullet text
+ // should be stored in the attributes; if not, just use the number for this
+ // level, as previously computed.
+ if (!GetAttributes().GetBulletText().IsEmpty())
+ text = GetAttributes().GetBulletText();
}
- else if (bulletAttr.GetBulletName() == wxT("standard/triangle"))
+
+ if (GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_PARENTHESES)
{
- wxPoint pts[3];
- pts[0].x = x; pts[0].y = y;
- pts[1].x = x + bulletWidth; pts[1].y = y + bulletHeight/2;
- pts[2].x = x; pts[2].y = y + bulletHeight;
+ text = wxT("(") + text + wxT(")");
+ }
+ else if (GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_RIGHT_PARENTHESIS)
+ {
+ text = text + wxT(")");
+ }
- dc.DrawPolygon(3, pts);
+ if (GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_PERIOD)
+ {
+ text += wxT(".");
}
- else // "standard/circle", and catch-all
+
+ return text;
+}
+
+/// Allocate or reuse a line object
+wxRichTextLine* wxRichTextParagraph::AllocateLine(int pos)
+{
+ if (pos < (int) m_cachedLines.GetCount())
{
- dc.DrawEllipse(x, y, bulletWidth, bulletHeight);
+ wxRichTextLine* line = m_cachedLines.Item(pos)->GetData();
+ line->Init(this);
+ return line;
+ }
+ else
+ {
+ wxRichTextLine* line = new wxRichTextLine(this);
+ m_cachedLines.Append(line);
+ return line;
}
+}
+/// Clear remaining unused line objects, if any
+bool wxRichTextParagraph::ClearUnusedLines(int lineCount)
+{
+ int cachedLineCount = m_cachedLines.GetCount();
+ if ((int) cachedLineCount > lineCount)
+ {
+ for (int i = 0; i < (int) (cachedLineCount - lineCount); i ++)
+ {
+ wxRichTextLineList::compatibility_iterator node = m_cachedLines.GetLast();
+ wxRichTextLine* line = node->GetData();
+ m_cachedLines.Erase(node);
+ delete line;
+ }
+ }
return true;
}
-bool wxRichTextStdRenderer::DrawTextBullet(wxRichTextParagraph* paragraph, wxDC& dc, const wxTextAttr& attr, const wxRect& rect, const wxString& text)
+/// Get combined attributes of the base style, paragraph style and character style. We use this to dynamically
+/// retrieve the actual style.
+wxRichTextAttr wxRichTextParagraph::GetCombinedAttributes(const wxRichTextAttr& contentStyle, bool includingBoxAttr) const
{
- if (!text.empty())
+ wxRichTextAttr attr;
+ wxRichTextParagraphLayoutBox* buf = wxDynamicCast(GetParent(), wxRichTextParagraphLayoutBox);
+ if (buf)
{
- wxFont font;
- if ((attr.GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_SYMBOL) && !attr.GetBulletFont().IsEmpty() && attr.HasFont())
+ attr = buf->GetBasicStyle();
+ if (!includingBoxAttr)
{
- wxTextAttr fontAttr;
- fontAttr.SetFontSize(attr.GetFontSize());
- fontAttr.SetFontStyle(attr.GetFontStyle());
- fontAttr.SetFontWeight(attr.GetFontWeight());
- fontAttr.SetFontUnderlined(attr.GetFontUnderlined());
- fontAttr.SetFontFaceName(attr.GetBulletFont());
- font = paragraph->GetBuffer()->GetFontTable().FindFont(fontAttr);
+ attr.GetTextBoxAttr().Reset();
+ // The background colour will be painted by the container, and we don't
+ // want to unnecessarily overwrite the background when we're drawing text
+ // because this may erase the guideline (which appears just under the text
+ // if there's no padding).
+ attr.SetFlags(attr.GetFlags() & ~wxTEXT_ATTR_BACKGROUND_COLOUR);
}
- else if (attr.HasFont())
- font = paragraph->GetBuffer()->GetFontTable().FindFont(attr);
- else
- font = (*wxNORMAL_FONT);
-
- dc.SetFont(font);
-
- if (attr.GetTextColour().Ok())
- dc.SetTextForeground(attr.GetTextColour());
-
- dc.SetBackgroundMode(wxTRANSPARENT);
-
- int charHeight = dc.GetCharHeight();
- wxCoord tw, th;
- dc.GetTextExtent(text, & tw, & th);
-
- int x = rect.x;
-
- // Calculate the top position of the character (as opposed to the whole line height)
- int y = rect.y + (rect.height - charHeight);
-
- // The margin between a bullet and text.
- int margin = paragraph->ConvertTenthsMMToPixels(dc, wxRichTextBuffer::GetBulletRightMargin());
-
- if (attr.GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_ALIGN_RIGHT)
- x = (rect.x + rect.width) - tw - margin;
- else if (attr.GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_ALIGN_CENTRE)
- x = x + (rect.width)/2 - tw/2;
+ wxRichTextApplyStyle(attr, GetAttributes());
+ }
+ else
+ attr = GetAttributes();
- dc.DrawText(text, x, y);
+ wxRichTextApplyStyle(attr, contentStyle);
+ return attr;
+}
- return true;
+/// Get combined attributes of the base style and paragraph style.
+wxRichTextAttr wxRichTextParagraph::GetCombinedAttributes(bool includingBoxAttr) const
+{
+ wxRichTextAttr attr;
+ wxRichTextParagraphLayoutBox* buf = wxDynamicCast(GetParent(), wxRichTextParagraphLayoutBox);
+ if (buf)
+ {
+ attr = buf->GetBasicStyle();
+ if (!includingBoxAttr)
+ attr.GetTextBoxAttr().Reset();
+ wxRichTextApplyStyle(attr, GetAttributes());
}
else
- return false;
+ attr = GetAttributes();
+
+ return attr;
}
-bool wxRichTextStdRenderer::DrawBitmapBullet(wxRichTextParagraph* WXUNUSED(paragraph), wxDC& WXUNUSED(dc), const wxTextAttr& WXUNUSED(attr), const wxRect& WXUNUSED(rect))
+// Create default tabstop array
+void wxRichTextParagraph::InitDefaultTabs()
{
- // Currently unimplemented. The intention is to store bitmaps by name in a media store associated
- // with the buffer. The store will allow retrieval from memory, disk or other means.
- return false;
+ // create a default tab list at 10 mm each.
+ for (int i = 0; i < 20; ++i)
+ {
+ sm_defaultTabs.Add(i*100);
+ }
}
-/// Enumerate the standard bullet names currently supported
-bool wxRichTextStdRenderer::EnumerateStandardBulletNames(wxArrayString& bulletNames)
+// Clear default tabstop array
+void wxRichTextParagraph::ClearDefaultTabs()
{
- bulletNames.Add(wxT("standard/circle"));
- bulletNames.Add(wxT("standard/square"));
- bulletNames.Add(wxT("standard/diamond"));
- bulletNames.Add(wxT("standard/triangle"));
-
- return true;
+ sm_defaultTabs.Clear();
}
-/*
- * Module to initialise and clean up handlers
- */
-
-class wxRichTextModule: public wxModule
+void wxRichTextParagraph::LayoutFloat(wxDC& dc, wxRichTextDrawingContext& context, const wxRect& rect, const wxRect& parentRect, int style, wxRichTextFloatCollector* floatCollector)
{
-DECLARE_DYNAMIC_CLASS(wxRichTextModule)
-public:
- wxRichTextModule() {}
- bool OnInit()
- {
- wxRichTextBuffer::SetRenderer(new wxRichTextStdRenderer);
- wxRichTextBuffer::InitStandardHandlers();
- wxRichTextParagraph::InitDefaultTabs();
- return true;
- }
- void OnExit()
+ wxRichTextObjectList::compatibility_iterator node = GetChildren().GetFirst();
+ while (node)
{
- wxRichTextBuffer::CleanUpHandlers();
- wxRichTextDecimalToRoman(-1);
- wxRichTextParagraph::ClearDefaultTabs();
- wxRichTextCtrl::ClearAvailableFontNames();
- wxRichTextBuffer::SetRenderer(NULL);
- }
-};
+ wxRichTextObject* anchored = node->GetData();
+ if (anchored && anchored->IsFloating() && !floatCollector->HasFloat(anchored))
+ {
+ int x = 0;
+ wxRichTextAttr parentAttr(GetAttributes());
+ context.ApplyVirtualAttributes(parentAttr, this);
+#if 1
+ // 27-09-2012
+ wxRect availableSpace = GetParent()->GetAvailableContentArea(dc, context, rect);
+
+ anchored->LayoutToBestSize(dc, context, GetBuffer(),
+ parentAttr, anchored->GetAttributes(),
+ parentRect, availableSpace,
+ style);
+ wxSize size = anchored->GetCachedSize();
+#else
+ wxSize size;
+ int descent = 0;
+ anchored->GetRangeSize(anchored->GetRange(), size, descent, dc, context, style);
+#endif
-IMPLEMENT_DYNAMIC_CLASS(wxRichTextModule, wxModule)
+ int offsetY = 0;
+ if (anchored->GetAttributes().GetTextBoxAttr().GetTop().IsValid())
+ {
+ offsetY = anchored->GetAttributes().GetTextBoxAttr().GetTop().GetValue();
+ if (anchored->GetAttributes().GetTextBoxAttr().GetTop().GetUnits() == wxTEXT_ATTR_UNITS_TENTHS_MM)
+ {
+ offsetY = ConvertTenthsMMToPixels(dc, offsetY);
+ }
+ }
+ int pos = floatCollector->GetFitPosition(anchored->GetAttributes().GetTextBoxAttr().GetFloatMode(), rect.y + offsetY, size.y);
-// If the richtext lib is dynamically loaded after the app has already started
-// (such as from wxPython) then the built-in module system will not init this
-// module. Provide this function to do it manually.
-void wxRichTextModuleInit()
-{
- wxModule* module = new wxRichTextModule;
- module->Init();
- wxModule::RegisterModule(module);
+ /* Update the offset */
+ int newOffsetY = pos - rect.y;
+ if (newOffsetY != offsetY)
+ {
+ if (anchored->GetAttributes().GetTextBoxAttr().GetTop().GetUnits() == wxTEXT_ATTR_UNITS_TENTHS_MM)
+ newOffsetY = ConvertPixelsToTenthsMM(dc, newOffsetY);
+ anchored->GetAttributes().GetTextBoxAttr().GetTop().SetValue(newOffsetY);
+ }
+
+ if (anchored->GetAttributes().GetTextBoxAttr().GetFloatMode() == wxTEXT_BOX_ATTR_FLOAT_LEFT)
+ x = rect.x;
+ else if (anchored->GetAttributes().GetTextBoxAttr().GetFloatMode() == wxTEXT_BOX_ATTR_FLOAT_RIGHT)
+ x = rect.x + rect.width - size.x;
+
+ //anchored->SetPosition(wxPoint(x, pos));
+ anchored->Move(wxPoint(x, pos)); // should move children
+ anchored->SetCachedSize(size);
+ floatCollector->CollectFloat(this, anchored);
+ }
+
+ node = node->GetNext();
+ }
}
+// Get the first position from pos that has a line break character.
+long wxRichTextParagraph::GetFirstLineBreakPosition(long pos)
+{
+ wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
+ {
+ wxRichTextObject* obj = node->GetData();
+ if (pos >= obj->GetRange().GetStart() && pos <= obj->GetRange().GetEnd())
+ {
+ wxRichTextPlainText* textObj = wxDynamicCast(obj, wxRichTextPlainText);
+ if (textObj)
+ {
+ long breakPos = textObj->GetFirstLineBreakPosition(pos);
+ if (breakPos > -1)
+ return breakPos;
+ }
+ }
+ node = node->GetNext();
+ }
+ return -1;
+}
/*!
- * Commands for undo/redo
- *
+ * wxRichTextLine
+ * This object represents a line in a paragraph, and stores
+ * offsets from the start of the paragraph representing the
+ * start and end positions of the line.
*/
-wxRichTextCommand::wxRichTextCommand(const wxString& name, wxRichTextCommandId id, wxRichTextBuffer* buffer,
- wxRichTextCtrl* ctrl, bool ignoreFirstTime): wxCommand(true, name)
+wxRichTextLine::wxRichTextLine(wxRichTextParagraph* parent)
{
- /* wxRichTextAction* action = */ new wxRichTextAction(this, name, id, buffer, ctrl, ignoreFirstTime);
+ Init(parent);
}
-wxRichTextCommand::wxRichTextCommand(const wxString& name): wxCommand(true, name)
+/// Initialisation
+void wxRichTextLine::Init(wxRichTextParagraph* parent)
{
+ m_parent = parent;
+ m_range.SetRange(-1, -1);
+ m_pos = wxPoint(0, 0);
+ m_size = wxSize(0, 0);
+ m_descent = 0;
+#if wxRICHTEXT_USE_OPTIMIZED_LINE_DRAWING
+ m_objectSizes.Clear();
+#endif
}
-wxRichTextCommand::~wxRichTextCommand()
+/// Copy
+void wxRichTextLine::Copy(const wxRichTextLine& obj)
{
- ClearActions();
+ m_range = obj.m_range;
+#if wxRICHTEXT_USE_OPTIMIZED_LINE_DRAWING
+ m_objectSizes = obj.m_objectSizes;
+#endif
}
-void wxRichTextCommand::AddAction(wxRichTextAction* action)
+/// Get the absolute object position
+wxPoint wxRichTextLine::GetAbsolutePosition() const
{
- if (!m_actions.Member(action))
- m_actions.Append(action);
+ return m_parent->GetPosition() + m_pos;
}
-bool wxRichTextCommand::Do()
+/// Get the absolute range
+wxRichTextRange wxRichTextLine::GetAbsoluteRange() const
{
- for (wxList::compatibility_iterator node = m_actions.GetFirst(); node; node = node->GetNext())
- {
- wxRichTextAction* action = (wxRichTextAction*) node->GetData();
- action->Do();
- }
-
- return true;
+ wxRichTextRange range(m_range.GetStart() + m_parent->GetRange().GetStart(), 0);
+ range.SetEnd(range.GetStart() + m_range.GetLength()-1);
+ return range;
}
-bool wxRichTextCommand::Undo()
-{
- for (wxList::compatibility_iterator node = m_actions.GetLast(); node; node = node->GetPrevious())
- {
- wxRichTextAction* action = (wxRichTextAction*) node->GetData();
- action->Undo();
- }
+/*!
+ * wxRichTextPlainText
+ * This object represents a single piece of text.
+ */
- return true;
-}
+IMPLEMENT_DYNAMIC_CLASS(wxRichTextPlainText, wxRichTextObject)
-void wxRichTextCommand::ClearActions()
+wxRichTextPlainText::wxRichTextPlainText(const wxString& text, wxRichTextObject* parent, wxRichTextAttr* style):
+ wxRichTextObject(parent)
{
- WX_CLEAR_LIST(wxList, m_actions);
+ if (style)
+ SetAttributes(*style);
+
+ m_text = text;
}
-/*!
- * Individual action
- *
- */
+#define USE_KERNING_FIX 1
-wxRichTextAction::wxRichTextAction(wxRichTextCommand* cmd, const wxString& name, wxRichTextCommandId id, wxRichTextBuffer* buffer,
- wxRichTextCtrl* ctrl, bool ignoreFirstTime)
-{
- m_buffer = buffer;
- m_ignoreThis = ignoreFirstTime;
- m_cmdId = id;
- m_position = -1;
- m_ctrl = ctrl;
- m_name = name;
- m_newParagraphs.SetDefaultStyle(buffer->GetDefaultStyle());
- m_newParagraphs.SetBasicStyle(buffer->GetBasicStyle());
- if (cmd)
- cmd->AddAction(this);
-}
+// If insufficient tabs are defined, this is the tab width used
+#define WIDTH_FOR_DEFAULT_TABS 50
-wxRichTextAction::~wxRichTextAction()
+/// Draw the item
+bool wxRichTextPlainText::Draw(wxDC& dc, wxRichTextDrawingContext& context, const wxRichTextRange& range, const wxRichTextSelection& selection, const wxRect& rect, int descent, int WXUNUSED(style))
{
-}
+ wxRichTextParagraph* para = wxDynamicCast(GetParent(), wxRichTextParagraph);
+ wxASSERT (para != NULL);
-bool wxRichTextAction::Do()
-{
- m_buffer->Modify(true);
+ wxRichTextAttr textAttr(para ? para->GetCombinedAttributes(GetAttributes(), false /* no box attributes */) : GetAttributes());
+ context.ApplyVirtualAttributes(textAttr, this);
- switch (m_cmdId)
+ // Let's make the assumption for now that for content in a paragraph, including
+ // text, we never have a discontinuous selection. So we only deal with a
+ // single range.
+ wxRichTextRange selectionRange;
+ if (selection.IsValid())
{
- case wxRICHTEXT_INSERT:
- {
- // Store a list of line start character and y positions so we can figure out which area
- // we need to refresh
- wxArrayInt optimizationLineCharPositions;
- wxArrayInt optimizationLineYPositions;
-
-#if wxRICHTEXT_USE_OPTIMIZED_DRAWING
- // NOTE: we're assuming that the buffer is laid out correctly at this point.
- // If we had several actions, which only invalidate and leave layout until the
- // paint handler is called, then this might not be true. So we may need to switch
- // optimisation on only when we're simply adding text and not simultaneously
- // deleting a selection, for example. Or, we make sure the buffer is laid out correctly
- // first, but of course this means we'll be doing it twice.
- if (!m_buffer->GetDirty() && m_ctrl) // can only do optimisation if the buffer is already laid out correctly
- {
- wxSize clientSize = m_ctrl->GetClientSize();
- wxPoint firstVisiblePt = m_ctrl->GetFirstVisiblePoint();
- int lastY = firstVisiblePt.y + clientSize.y;
+ wxRichTextRangeArray selectionRanges = selection.GetSelectionForObject(this);
+ if (selectionRanges.GetCount() > 0)
+ selectionRange = selectionRanges[0];
+ else
+ selectionRange = wxRICHTEXT_NO_SELECTION;
+ }
+ else
+ selectionRange = wxRICHTEXT_NO_SELECTION;
- wxRichTextParagraph* para = m_buffer->GetParagraphAtPosition(GetPosition());
- wxRichTextObjectList::compatibility_iterator node = m_buffer->GetChildren().Find(para);
- while (node)
- {
- wxRichTextParagraph* child = (wxRichTextParagraph*) node->GetData();
- wxRichTextLineList::compatibility_iterator node2 = child->GetLines().GetFirst();
- while (node2)
- {
- wxRichTextLine* line = node2->GetData();
- wxPoint pt = line->GetAbsolutePosition();
- wxRichTextRange range = line->GetAbsoluteRange();
+ int offset = GetRange().GetStart();
- if (pt.y > lastY)
- {
- node2 = wxRichTextLineList::compatibility_iterator();
- node = wxRichTextObjectList::compatibility_iterator();
- }
- else if (range.GetStart() > GetPosition() && pt.y >= firstVisiblePt.y)
- {
- optimizationLineCharPositions.Add(range.GetStart());
- optimizationLineYPositions.Add(pt.y);
- }
+ wxString str = m_text;
+ if (context.HasVirtualText(this))
+ {
+ if (!context.GetVirtualText(this, str) || str.Length() != m_text.Length())
+ str = m_text;
+ }
- if (node2)
- node2 = node2->GetNext();
- }
+ // Replace line break characters with spaces
+ wxString toRemove = wxRichTextLineBreakChar;
+ str.Replace(toRemove, wxT(" "));
+ if (textAttr.HasTextEffects() && (textAttr.GetTextEffects() & (wxTEXT_ATTR_EFFECT_CAPITALS|wxTEXT_ATTR_EFFECT_SMALL_CAPITALS)))
+ str.MakeUpper();
- if (node)
- node = node->GetNext();
- }
- }
-#endif
+ long len = range.GetLength();
+ wxString stringChunk = str.Mid(range.GetStart() - offset, (size_t) len);
- m_buffer->InsertFragment(GetPosition(), m_newParagraphs);
- m_buffer->UpdateRanges();
- m_buffer->Invalidate(GetRange());
+ // Test for the optimized situations where all is selected, or none
+ // is selected.
- long newCaretPosition = GetPosition() + m_newParagraphs.GetRange().GetLength();
+ wxFont textFont(GetBuffer()->GetFontTable().FindFont(textAttr));
+ wxCheckSetFont(dc, textFont);
+ int charHeight = dc.GetCharHeight();
- // Character position to caret position
- newCaretPosition --;
+ int x, y;
+ if ( textFont.IsOk() )
+ {
+ if (textAttr.HasTextEffects() && (textAttr.GetTextEffects() & wxTEXT_ATTR_EFFECT_SMALL_CAPITALS))
+ {
+ textFont.SetPointSize((int) (textFont.GetPointSize()*0.75));
+ wxCheckSetFont(dc, textFont);
+ charHeight = dc.GetCharHeight();
+ }
- // Don't take into account the last newline
- if (m_newParagraphs.GetPartialParagraph())
- newCaretPosition --;
+ if ( textAttr.HasTextEffects() && (textAttr.GetTextEffects() & wxTEXT_ATTR_EFFECT_SUPERSCRIPT) )
+ {
+ if (textFont.IsUsingSizeInPixels())
+ {
+ double size = static_cast<double>(textFont.GetPixelSize().y) / wxSCRIPT_MUL_FACTOR;
+ textFont.SetPixelSize(wxSize(0, static_cast<int>(size)));
+ x = rect.x;
+ y = rect.y;
+ }
else
- if (m_newParagraphs.GetChildren().GetCount() > 1)
- {
- wxRichTextObject* p = (wxRichTextObject*) m_newParagraphs.GetChildren().GetLast()->GetData();
- if (p->GetRange().GetLength() == 1)
- newCaretPosition --;
- }
-
- newCaretPosition = wxMin(newCaretPosition, (m_buffer->GetRange().GetEnd()-1));
-
- if (optimizationLineCharPositions.GetCount() > 0)
- UpdateAppearance(newCaretPosition, true /* send update event */, & optimizationLineCharPositions, & optimizationLineYPositions);
+ {
+ double size = static_cast<double>(textFont.GetPointSize()) / wxSCRIPT_MUL_FACTOR;
+ textFont.SetPointSize(static_cast<int>(size));
+ x = rect.x;
+ y = rect.y;
+ }
+ wxCheckSetFont(dc, textFont);
+ }
+ else if ( textAttr.HasTextEffects() && (textAttr.GetTextEffects() & wxTEXT_ATTR_EFFECT_SUBSCRIPT) )
+ {
+ if (textFont.IsUsingSizeInPixels())
+ {
+ double size = static_cast<double>(textFont.GetPixelSize().y) / wxSCRIPT_MUL_FACTOR;
+ textFont.SetPixelSize(wxSize(0, static_cast<int>(size)));
+ x = rect.x;
+ int sub_height = static_cast<int>(static_cast<double>(charHeight) / wxSCRIPT_MUL_FACTOR);
+ y = rect.y + (rect.height - sub_height + (descent - m_descent));
+ }
else
- UpdateAppearance(newCaretPosition, true /* send update event */);
+ {
+ double size = static_cast<double>(textFont.GetPointSize()) / wxSCRIPT_MUL_FACTOR;
+ textFont.SetPointSize(static_cast<int>(size));
+ x = rect.x;
+ int sub_height = static_cast<int>(static_cast<double>(charHeight) / wxSCRIPT_MUL_FACTOR);
+ y = rect.y + (rect.height - sub_height + (descent - m_descent));
+ }
+ wxCheckSetFont(dc, textFont);
+ }
+ else
+ {
+ x = rect.x;
+ y = rect.y + (rect.height - charHeight - (descent - m_descent));
+ }
+ }
+ else
+ {
+ x = rect.x;
+ y = rect.y + (rect.height - charHeight - (descent - m_descent));
+ }
- wxRichTextEvent cmdEvent(
- wxEVT_COMMAND_RICHTEXT_CONTENT_INSERTED,
- m_ctrl ? m_ctrl->GetId() : -1);
- cmdEvent.SetEventObject(m_ctrl ? (wxObject*) m_ctrl : (wxObject*) m_buffer);
- cmdEvent.SetRange(GetRange());
- cmdEvent.SetPosition(GetRange().GetStart());
+ // TODO: new selection code
- m_buffer->SendEvent(cmdEvent);
+ // (a) All selected.
+ if (selectionRange.GetStart() <= range.GetStart() && selectionRange.GetEnd() >= range.GetEnd())
+ {
+ DrawTabbedString(dc, textAttr, rect, stringChunk, x, y, true);
+ }
+ // (b) None selected.
+ else if (selectionRange.GetEnd() < range.GetStart() || selectionRange.GetStart() > range.GetEnd())
+ {
+ // Draw all unselected
+ DrawTabbedString(dc, textAttr, rect, stringChunk, x, y, false);
+ }
+ else
+ {
+ // (c) Part selected, part not
+ // Let's draw unselected chunk, selected chunk, then unselected chunk.
- break;
- }
- case wxRICHTEXT_DELETE:
+ dc.SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT);
+
+ // 1. Initial unselected chunk, if any, up until start of selection.
+ if (selectionRange.GetStart() > range.GetStart() && selectionRange.GetStart() <= range.GetEnd())
{
- m_buffer->DeleteRange(GetRange());
- m_buffer->UpdateRanges();
- m_buffer->Invalidate(wxRichTextRange(GetRange().GetStart(), GetRange().GetStart()));
+ int r1 = range.GetStart();
+ int s1 = selectionRange.GetStart()-1;
+ int fragmentLen = s1 - r1 + 1;
+ if (fragmentLen < 0)
+ {
+ wxLogDebug(wxT("Mid(%d, %d"), (int)(r1 - offset), (int)fragmentLen);
+ }
+ wxString stringFragment = str.Mid(r1 - offset, fragmentLen);
- UpdateAppearance(GetRange().GetStart()-1, true /* send update event */);
+ DrawTabbedString(dc, textAttr, rect, stringFragment, x, y, false);
- wxRichTextEvent cmdEvent(
- wxEVT_COMMAND_RICHTEXT_CONTENT_DELETED,
- m_ctrl ? m_ctrl->GetId() : -1);
- cmdEvent.SetEventObject(m_ctrl ? (wxObject*) m_ctrl : (wxObject*) m_buffer);
- cmdEvent.SetRange(GetRange());
- cmdEvent.SetPosition(GetRange().GetStart());
+#if USE_KERNING_FIX
+ if (stringChunk.Find(wxT("\t")) == wxNOT_FOUND)
+ {
+ // Compensate for kerning difference
+ wxString stringFragment2(str.Mid(r1 - offset, fragmentLen+1));
+ wxString stringFragment3(str.Mid(r1 - offset + fragmentLen, 1));
- m_buffer->SendEvent(cmdEvent);
+ wxCoord w1, h1, w2, h2, w3, h3;
+ dc.GetTextExtent(stringFragment, & w1, & h1);
+ dc.GetTextExtent(stringFragment2, & w2, & h2);
+ dc.GetTextExtent(stringFragment3, & w3, & h3);
- break;
+ int kerningDiff = (w1 + w3) - w2;
+ x = x - kerningDiff;
+ }
+#endif
}
- case wxRICHTEXT_CHANGE_STYLE:
+
+ // 2. Selected chunk, if any.
+ if (selectionRange.GetEnd() >= range.GetStart())
{
- ApplyParagraphs(GetNewParagraphs());
- m_buffer->Invalidate(GetRange());
+ int s1 = wxMax(selectionRange.GetStart(), range.GetStart());
+ int s2 = wxMin(selectionRange.GetEnd(), range.GetEnd());
- UpdateAppearance(GetPosition());
+ int fragmentLen = s2 - s1 + 1;
+ if (fragmentLen < 0)
+ {
+ wxLogDebug(wxT("Mid(%d, %d"), (int)(s1 - offset), (int)fragmentLen);
+ }
+ wxString stringFragment = str.Mid(s1 - offset, fragmentLen);
- wxRichTextEvent cmdEvent(
- wxEVT_COMMAND_RICHTEXT_STYLE_CHANGED,
- m_ctrl ? m_ctrl->GetId() : -1);
- cmdEvent.SetEventObject(m_ctrl ? (wxObject*) m_ctrl : (wxObject*) m_buffer);
- cmdEvent.SetRange(GetRange());
- cmdEvent.SetPosition(GetRange().GetStart());
+ DrawTabbedString(dc, textAttr, rect, stringFragment, x, y, true);
- m_buffer->SendEvent(cmdEvent);
+#if USE_KERNING_FIX
+ if (stringChunk.Find(wxT("\t")) == wxNOT_FOUND)
+ {
+ // Compensate for kerning difference
+ wxString stringFragment2(str.Mid(s1 - offset, fragmentLen+1));
+ wxString stringFragment3(str.Mid(s1 - offset + fragmentLen, 1));
- break;
+ wxCoord w1, h1, w2, h2, w3, h3;
+ dc.GetTextExtent(stringFragment, & w1, & h1);
+ dc.GetTextExtent(stringFragment2, & w2, & h2);
+ dc.GetTextExtent(stringFragment3, & w3, & h3);
+
+ int kerningDiff = (w1 + w3) - w2;
+ x = x - kerningDiff;
+ }
+#endif
+ }
+
+ // 3. Remaining unselected chunk, if any
+ if (selectionRange.GetEnd() < range.GetEnd())
+ {
+ int s2 = wxMin(selectionRange.GetEnd()+1, range.GetEnd());
+ int r2 = range.GetEnd();
+
+ int fragmentLen = r2 - s2 + 1;
+ if (fragmentLen < 0)
+ {
+ wxLogDebug(wxT("Mid(%d, %d"), (int)(s2 - offset), (int)fragmentLen);
+ }
+ wxString stringFragment = str.Mid(s2 - offset, fragmentLen);
+
+ DrawTabbedString(dc, textAttr, rect, stringFragment, x, y, false);
}
- default:
- break;
}
return true;
}
-bool wxRichTextAction::Undo()
+bool wxRichTextPlainText::DrawTabbedString(wxDC& dc, const wxRichTextAttr& attr, const wxRect& rect,wxString& str, wxCoord& x, wxCoord& y, bool selected)
{
- m_buffer->Modify(true);
+ bool hasTabs = (str.Find(wxT('\t')) != wxNOT_FOUND);
- switch (m_cmdId)
+ wxArrayInt tabArray;
+ int tabCount;
+ if (hasTabs)
{
- case wxRICHTEXT_INSERT:
- {
- m_buffer->DeleteRange(GetRange());
- m_buffer->UpdateRanges();
- m_buffer->Invalidate(wxRichTextRange(GetRange().GetStart(), GetRange().GetStart()));
-
- long newCaretPosition = GetPosition() - 1;
-
- UpdateAppearance(newCaretPosition, true /* send update event */);
-
- wxRichTextEvent cmdEvent(
- wxEVT_COMMAND_RICHTEXT_CONTENT_DELETED,
- m_ctrl ? m_ctrl->GetId() : -1);
- cmdEvent.SetEventObject(m_ctrl ? (wxObject*) m_ctrl : (wxObject*) m_buffer);
- cmdEvent.SetRange(GetRange());
- cmdEvent.SetPosition(GetRange().GetStart());
-
- m_buffer->SendEvent(cmdEvent);
+ if (attr.GetTabs().IsEmpty())
+ tabArray = wxRichTextParagraph::GetDefaultTabs();
+ else
+ tabArray = attr.GetTabs();
+ tabCount = tabArray.GetCount();
- break;
- }
- case wxRICHTEXT_DELETE:
+ for (int i = 0; i < tabCount; ++i)
{
- m_buffer->InsertFragment(GetRange().GetStart(), m_oldParagraphs);
- m_buffer->UpdateRanges();
- m_buffer->Invalidate(GetRange());
-
- UpdateAppearance(GetPosition(), true /* send update event */);
-
- wxRichTextEvent cmdEvent(
- wxEVT_COMMAND_RICHTEXT_CONTENT_INSERTED,
- m_ctrl ? m_ctrl->GetId() : -1);
- cmdEvent.SetEventObject(m_ctrl ? (wxObject*) m_ctrl : (wxObject*) m_buffer);
- cmdEvent.SetRange(GetRange());
- cmdEvent.SetPosition(GetRange().GetStart());
-
- m_buffer->SendEvent(cmdEvent);
-
- break;
+ int pos = tabArray[i];
+ pos = ConvertTenthsMMToPixels(dc, pos);
+ tabArray[i] = pos;
}
- case wxRICHTEXT_CHANGE_STYLE:
- {
- ApplyParagraphs(GetOldParagraphs());
- m_buffer->Invalidate(GetRange());
+ }
+ else
+ tabCount = 0;
- UpdateAppearance(GetPosition());
+ int nextTabPos = -1;
+ int tabPos = -1;
+ wxCoord w, h;
- wxRichTextEvent cmdEvent(
- wxEVT_COMMAND_RICHTEXT_STYLE_CHANGED,
- m_ctrl ? m_ctrl->GetId() : -1);
- cmdEvent.SetEventObject(m_ctrl ? (wxObject*) m_ctrl : (wxObject*) m_buffer);
- cmdEvent.SetRange(GetRange());
- cmdEvent.SetPosition(GetRange().GetStart());
+ if (selected)
+ {
+ wxColour highlightColour(wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT));
+ wxColour highlightTextColour(wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT));
- m_buffer->SendEvent(cmdEvent);
+ wxCheckSetBrush(dc, wxBrush(highlightColour));
+ wxCheckSetPen(dc, wxPen(highlightColour));
+ dc.SetTextForeground(highlightTextColour);
+ dc.SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT);
+ }
+ else
+ {
+ dc.SetTextForeground(attr.GetTextColour());
- break;
+ if (attr.HasFlag(wxTEXT_ATTR_BACKGROUND_COLOUR) && attr.GetBackgroundColour().IsOk())
+ {
+ dc.SetBackgroundMode(wxBRUSHSTYLE_SOLID);
+ dc.SetTextBackground(attr.GetBackgroundColour());
}
- default:
- break;
+ else
+ dc.SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT);
}
- return true;
-}
-
-/// Update the control appearance
-void wxRichTextAction::UpdateAppearance(long caretPosition, bool sendUpdateEvent, wxArrayInt* optimizationLineCharPositions, wxArrayInt* optimizationLineYPositions)
-{
- if (m_ctrl)
+ wxCoord x_orig = GetParent()->GetPosition().x;
+ while (hasTabs)
{
- m_ctrl->SetCaretPosition(caretPosition);
- if (!m_ctrl->IsFrozen())
+ // the string has a tab
+ // break up the string at the Tab
+ wxString stringChunk = str.BeforeFirst(wxT('\t'));
+ str = str.AfterFirst(wxT('\t'));
+ dc.GetTextExtent(stringChunk, & w, & h);
+ tabPos = x + w;
+ bool not_found = true;
+ for (int i = 0; i < tabCount && not_found; ++i)
{
- m_ctrl->LayoutContent();
- m_ctrl->PositionCaret();
-
-#if wxRICHTEXT_USE_OPTIMIZED_DRAWING
- // Find refresh rectangle if we are in a position to optimise refresh
- if (m_cmdId == wxRICHTEXT_INSERT && optimizationLineCharPositions && optimizationLineCharPositions->GetCount() > 0)
- {
- size_t i;
-
- wxSize clientSize = m_ctrl->GetClientSize();
- wxPoint firstVisiblePt = m_ctrl->GetFirstVisiblePoint();
-
- // Start/end positions
- int firstY = 0;
- int lastY = firstVisiblePt.y + clientSize.y;
-
- bool foundStart = false;
- bool foundEnd = false;
-
- // position offset - how many characters were inserted
- int positionOffset = GetRange().GetLength();
+ nextTabPos = tabArray.Item(i) + x_orig;
- // find the first line which is being drawn at the same position as it was
- // before. Since we're talking about a simple insertion, we can assume
- // that the rest of the window does not need to be redrawn.
+ // Find the next tab position.
+ // Even if we're at the end of the tab array, we must still draw the chunk.
- wxRichTextParagraph* para = m_buffer->GetParagraphAtPosition(GetPosition());
- wxRichTextObjectList::compatibility_iterator node = m_buffer->GetChildren().Find(para);
- while (node)
+ if (nextTabPos > tabPos || (i == (tabCount - 1)))
+ {
+ if (nextTabPos <= tabPos)
{
- wxRichTextParagraph* child = (wxRichTextParagraph*) node->GetData();
- wxRichTextLineList::compatibility_iterator node2 = child->GetLines().GetFirst();
- while (node2)
- {
- wxRichTextLine* line = node2->GetData();
- wxPoint pt = line->GetAbsolutePosition();
- wxRichTextRange range = line->GetAbsoluteRange();
-
- // we want to find the first line that is in the same position
- // as before. This will mean we're at the end of the changed text.
-
- if (pt.y > lastY) // going past the end of the window, no more info
- {
- node2 = wxRichTextLineList::compatibility_iterator();
- node = wxRichTextObjectList::compatibility_iterator();
- }
- else
- {
- if (!foundStart)
- {
- firstY = pt.y - firstVisiblePt.y;
- foundStart = true;
- }
-
- // search for this line being at the same position as before
- for (i = 0; i < optimizationLineCharPositions->GetCount(); i++)
- {
- if (((*optimizationLineCharPositions)[i] + positionOffset == range.GetStart()) &&
- ((*optimizationLineYPositions)[i] == pt.y))
- {
- // Stop, we're now the same as we were
- foundEnd = true;
- lastY = pt.y - firstVisiblePt.y;
-
- node2 = wxRichTextLineList::compatibility_iterator();
- node = wxRichTextObjectList::compatibility_iterator();
-
- break;
- }
- }
- }
-
- if (node2)
- node2 = node2->GetNext();
- }
-
- if (node)
- node = node->GetNext();
+ int defaultTabWidth = ConvertTenthsMMToPixels(dc, WIDTH_FOR_DEFAULT_TABS);
+ nextTabPos = tabPos + defaultTabWidth;
}
- if (!foundStart)
- firstY = firstVisiblePt.y;
- if (!foundEnd)
- lastY = firstVisiblePt.y + clientSize.y;
+ not_found = false;
+ if (selected)
+ {
+ w = nextTabPos - x;
+ wxRect selRect(x, rect.y, w, rect.GetHeight());
+ dc.DrawRectangle(selRect);
+ }
+ dc.DrawText(stringChunk, x, y);
- wxRect rect(firstVisiblePt.x, firstY, firstVisiblePt.x + clientSize.x, lastY - firstY);
- m_ctrl->RefreshRect(rect);
+ if (attr.HasTextEffects() && (attr.GetTextEffects() & wxTEXT_ATTR_EFFECT_STRIKETHROUGH))
+ {
+ wxPen oldPen = dc.GetPen();
+ wxCheckSetPen(dc, wxPen(attr.GetTextColour(), 1));
+ dc.DrawLine(x, (int) (y+(h/2)+0.5), x+w, (int) (y+(h/2)+0.5));
+ wxCheckSetPen(dc, oldPen);
+ }
- // TODO: we need to make sure that lines are only drawn if in the update region. The rect
- // passed to Draw is currently used in different ways (to pass the position the content should
- // be drawn at as well as the relevant region).
+ x = nextTabPos;
}
- else
-#endif
- m_ctrl->Refresh(false);
-
- if (sendUpdateEvent)
- wxTextCtrl::SendTextUpdatedEvent(m_ctrl);
}
+ hasTabs = (str.Find(wxT('\t')) != wxNOT_FOUND);
}
-}
-/// Replace the buffer paragraphs with the new ones.
-void wxRichTextAction::ApplyParagraphs(const wxRichTextParagraphLayoutBox& fragment)
-{
- wxRichTextObjectList::compatibility_iterator node = fragment.GetChildren().GetFirst();
- while (node)
+ if (!str.IsEmpty())
{
- wxRichTextParagraph* para = wxDynamicCast(node->GetData(), wxRichTextParagraph);
- wxASSERT (para != NULL);
-
- // We'll replace the existing paragraph by finding the paragraph at this position,
- // delete its node data, and setting a copy as the new node data.
- // TODO: make more efficient by simply swapping old and new paragraph objects.
-
- wxRichTextParagraph* existingPara = m_buffer->GetParagraphAtPosition(para->GetRange().GetStart());
- if (existingPara)
+ dc.GetTextExtent(str, & w, & h);
+ if (selected)
{
- wxRichTextObjectList::compatibility_iterator bufferParaNode = m_buffer->GetChildren().Find(existingPara);
- if (bufferParaNode)
- {
- wxRichTextParagraph* newPara = new wxRichTextParagraph(*para);
- newPara->SetParent(m_buffer);
-
- bufferParaNode->SetData(newPara);
+ wxRect selRect(x, rect.y, w, rect.GetHeight());
+ dc.DrawRectangle(selRect);
+ }
+ dc.DrawText(str, x, y);
- delete existingPara;
- }
+ if (attr.HasTextEffects() && (attr.GetTextEffects() & wxTEXT_ATTR_EFFECT_STRIKETHROUGH))
+ {
+ wxPen oldPen = dc.GetPen();
+ wxCheckSetPen(dc, wxPen(attr.GetTextColour(), 1));
+ dc.DrawLine(x, (int) (y+(h/2)+0.5), x+w, (int) (y+(h/2)+0.5));
+ wxCheckSetPen(dc, oldPen);
}
- node = node->GetNext();
+ x += w;
}
-}
-
-
-/*!
- * wxRichTextRange
- * This stores beginning and end positions for a range of data.
- */
-
-/// Limit this range to be within 'range'
-bool wxRichTextRange::LimitTo(const wxRichTextRange& range)
-{
- if (m_start < range.m_start)
- m_start = range.m_start;
-
- if (m_end > range.m_end)
- m_end = range.m_end;
return true;
}
-/*!
- * wxRichTextImage implementation
- * This object represents an image.
- */
-
-IMPLEMENT_DYNAMIC_CLASS(wxRichTextImage, wxRichTextObject)
-
-wxRichTextImage::wxRichTextImage(const wxImage& image, wxRichTextObject* parent, wxTextAttr* charStyle):
- wxRichTextObject(parent)
-{
- m_image = image;
- if (charStyle)
- SetAttributes(*charStyle);
+/// Lay the item out
+bool wxRichTextPlainText::Layout(wxDC& dc, wxRichTextDrawingContext& context, const wxRect& WXUNUSED(rect), const wxRect& WXUNUSED(parentRect), int WXUNUSED(style))
+{
+ // Only lay out if we haven't already cached the size
+ if (m_size.x == -1)
+ GetRangeSize(GetRange(), m_size, m_descent, dc, context, 0, wxPoint(0, 0));
+ m_maxSize = m_size;
+ // Eventually we want to have a reasonable estimate of minimum size.
+ m_minSize = wxSize(0, 0);
+ return true;
}
-wxRichTextImage::wxRichTextImage(const wxRichTextImageBlock& imageBlock, wxRichTextObject* parent, wxTextAttr* charStyle):
- wxRichTextObject(parent)
+/// Copy
+void wxRichTextPlainText::Copy(const wxRichTextPlainText& obj)
{
- m_imageBlock = imageBlock;
- m_imageBlock.Load(m_image);
- if (charStyle)
- SetAttributes(*charStyle);
-}
+ wxRichTextObject::Copy(obj);
-/// Load wxImage from the block
-bool wxRichTextImage::LoadFromBlock()
-{
- m_imageBlock.Load(m_image);
- return m_imageBlock.Ok();
+ m_text = obj.m_text;
}
-/// Make block from the wxImage
-bool wxRichTextImage::MakeBlock()
+/// Get/set the object size for the given range. Returns false if the range
+/// is invalid for this object.
+bool wxRichTextPlainText::GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, wxRichTextDrawingContext& context, int WXUNUSED(flags), const wxPoint& position, const wxSize& WXUNUSED(parentSize), wxArrayInt* partialExtents) const
{
- if (m_imageBlock.GetImageType() == wxBITMAP_TYPE_ANY || m_imageBlock.GetImageType() == -1)
- m_imageBlock.SetImageType(wxBITMAP_TYPE_PNG);
-
- m_imageBlock.MakeImageBlock(m_image, m_imageBlock.GetImageType());
- return m_imageBlock.Ok();
-}
+ if (!range.IsWithin(GetRange()))
+ return false;
+ wxRichTextParagraph* para = wxDynamicCast(GetParent(), wxRichTextParagraph);
+ wxASSERT (para != NULL);
-/// Draw the item
-bool wxRichTextImage::Draw(wxDC& dc, const wxRichTextRange& range, const wxRichTextRange& selectionRange, const wxRect& rect, int WXUNUSED(descent), int WXUNUSED(style))
-{
- if (!m_image.Ok() && m_imageBlock.Ok())
- LoadFromBlock();
+ int relativeX = position.x - GetParent()->GetPosition().x;
- if (!m_image.Ok())
- return false;
+ wxRichTextAttr textAttr(para ? para->GetCombinedAttributes(GetAttributes()) : GetAttributes());
+ context.ApplyVirtualAttributes(textAttr, (wxRichTextObject*) this);
- if (m_image.Ok() && !m_bitmap.Ok())
- m_bitmap = wxBitmap(m_image);
+ // Always assume unformatted text, since at this level we have no knowledge
+ // of line breaks - and we don't need it, since we'll calculate size within
+ // formatted text by doing it in chunks according to the line ranges
- int y = rect.y + (rect.height - m_image.GetHeight());
+ bool bScript(false);
+ wxFont font(GetBuffer()->GetFontTable().FindFont(textAttr));
+ if (font.IsOk())
+ {
+ if ( textAttr.HasTextEffects() && ( (textAttr.GetTextEffects() & wxTEXT_ATTR_EFFECT_SUPERSCRIPT)
+ || (textAttr.GetTextEffects() & wxTEXT_ATTR_EFFECT_SUBSCRIPT) ) )
+ {
+ wxFont textFont = font;
+ if (textFont.IsUsingSizeInPixels())
+ {
+ double size = static_cast<double>(textFont.GetPixelSize().y) / wxSCRIPT_MUL_FACTOR;
+ textFont.SetPixelSize(wxSize(0, static_cast<int>(size)));
+ }
+ else
+ {
+ double size = static_cast<double>(textFont.GetPointSize()) / wxSCRIPT_MUL_FACTOR;
+ textFont.SetPointSize(static_cast<int>(size));
+ }
+ wxCheckSetFont(dc, textFont);
+ bScript = true;
+ }
+ else if (textAttr.HasTextEffects() && (textAttr.GetTextEffects() & wxTEXT_ATTR_EFFECT_SMALL_CAPITALS))
+ {
+ wxFont textFont = font;
+ textFont.SetPointSize((int) (textFont.GetPointSize()*0.75));
+ wxCheckSetFont(dc, textFont);
+ bScript = true;
+ }
+ else
+ {
+ wxCheckSetFont(dc, font);
+ }
+ }
- if (m_bitmap.Ok())
- dc.DrawBitmap(m_bitmap, rect.x, y, true);
+ bool haveDescent = false;
+ int startPos = range.GetStart() - GetRange().GetStart();
+ long len = range.GetLength();
- if (selectionRange.Contains(range.GetStart()))
+ wxString str(m_text);
+ if (context.HasVirtualText(this))
{
- dc.SetBrush(*wxBLACK_BRUSH);
- dc.SetPen(*wxBLACK_PEN);
- dc.SetLogicalFunction(wxINVERT);
- dc.DrawRectangle(rect);
- dc.SetLogicalFunction(wxCOPY);
+ if (!context.GetVirtualText(this, str) || str.Length() != m_text.Length())
+ str = m_text;
}
- return true;
-}
+ wxString toReplace = wxRichTextLineBreakChar;
+ str.Replace(toReplace, wxT(" "));
-/// Lay the item out
-bool wxRichTextImage::Layout(wxDC& WXUNUSED(dc), const wxRect& rect, int WXUNUSED(style))
-{
- if (!m_image.Ok())
- LoadFromBlock();
+ wxString stringChunk = str.Mid(startPos, (size_t) len);
+
+ if (textAttr.HasTextEffects() && (textAttr.GetTextEffects() & (wxTEXT_ATTR_EFFECT_CAPITALS|wxTEXT_ATTR_EFFECT_SMALL_CAPITALS)))
+ stringChunk.MakeUpper();
- if (m_image.Ok())
+ wxCoord w, h;
+ int width = 0;
+ if (stringChunk.Find(wxT('\t')) != wxNOT_FOUND)
{
- SetCachedSize(wxSize(m_image.GetWidth(), m_image.GetHeight()));
- SetPosition(rect.GetPosition());
- }
+ // the string has a tab
+ wxArrayInt tabArray;
+ if (textAttr.GetTabs().IsEmpty())
+ tabArray = wxRichTextParagraph::GetDefaultTabs();
+ else
+ tabArray = textAttr.GetTabs();
- return true;
-}
+ int tabCount = tabArray.GetCount();
-/// Get/set the object size for the given range. Returns false if the range
-/// is invalid for this object.
-bool wxRichTextImage::GetRangeSize(const wxRichTextRange& range, wxSize& size, int& WXUNUSED(descent), wxDC& WXUNUSED(dc), int WXUNUSED(flags), wxPoint WXUNUSED(position)) const
-{
- if (!range.IsWithin(GetRange()))
- return false;
+ for (int i = 0; i < tabCount; ++i)
+ {
+ int pos = tabArray[i];
+ pos = ((wxRichTextPlainText*) this)->ConvertTenthsMMToPixels(dc, pos);
+ tabArray[i] = pos;
+ }
- if (!m_image.Ok())
- return false;
+ int nextTabPos = -1;
- size.x = m_image.GetWidth();
- size.y = m_image.GetHeight();
+ while (stringChunk.Find(wxT('\t')) >= 0)
+ {
+ int absoluteWidth = 0;
- return true;
-}
+ // the string has a tab
+ // break up the string at the Tab
+ wxString stringFragment = stringChunk.BeforeFirst(wxT('\t'));
+ stringChunk = stringChunk.AfterFirst(wxT('\t'));
-/// Copy
-void wxRichTextImage::Copy(const wxRichTextImage& obj)
-{
- wxRichTextObject::Copy(obj);
+ if (partialExtents)
+ {
+ int oldWidth;
+ if (partialExtents->GetCount() > 0)
+ oldWidth = (*partialExtents)[partialExtents->GetCount()-1];
+ else
+ oldWidth = 0;
- m_image = obj.m_image;
- m_imageBlock = obj.m_imageBlock;
-}
+ // Add these partial extents
+ wxArrayInt p;
+ dc.GetPartialTextExtents(stringFragment, p);
+ size_t j;
+ for (j = 0; j < p.GetCount(); j++)
+ partialExtents->Add(oldWidth + p[j]);
-/*!
- * Utilities
- *
- */
+ if (partialExtents->GetCount() > 0)
+ absoluteWidth = (*partialExtents)[(*partialExtents).GetCount()-1] + relativeX;
+ else
+ absoluteWidth = relativeX;
+ }
+ else
+ {
+ dc.GetTextExtent(stringFragment, & w, & h);
+ width += w;
+ absoluteWidth = width + relativeX;
+ haveDescent = true;
+ }
-/// Compare two attribute objects
-bool wxTextAttrEq(const wxTextAttr& attr1, const wxTextAttr& attr2)
-{
- return (attr1 == attr2);
-}
+ bool notFound = true;
+ for (int i = 0; i < tabCount && notFound; ++i)
+ {
+ nextTabPos = tabArray.Item(i);
-// Partial equality test taking flags into account
-bool wxTextAttrEqPartial(const wxTextAttr& attr1, const wxTextAttr& attr2, int flags)
-{
- return attr1.EqPartial(attr2, flags);
-}
+ // Find the next tab position.
+ // Even if we're at the end of the tab array, we must still process the chunk.
-/// Compare tabs
-bool wxRichTextTabsEq(const wxArrayInt& tabs1, const wxArrayInt& tabs2)
-{
- if (tabs1.GetCount() != tabs2.GetCount())
- return false;
+ if (nextTabPos > absoluteWidth || (i == (tabCount - 1)))
+ {
+ if (nextTabPos <= absoluteWidth)
+ {
+ int defaultTabWidth = ((wxRichTextPlainText*) this)->ConvertTenthsMMToPixels(dc, WIDTH_FOR_DEFAULT_TABS);
+ nextTabPos = absoluteWidth + defaultTabWidth;
+ }
- size_t i;
- for (i = 0; i < tabs1.GetCount(); i++)
+ notFound = false;
+ width = nextTabPos - relativeX;
+
+ if (partialExtents)
+ partialExtents->Add(width);
+ }
+ }
+ }
+ }
+
+ if (!stringChunk.IsEmpty())
{
- if (tabs1[i] != tabs2[i])
- return false;
+ if (partialExtents)
+ {
+ int oldWidth;
+ if (partialExtents->GetCount() > 0)
+ oldWidth = (*partialExtents)[partialExtents->GetCount()-1];
+ else
+ oldWidth = 0;
+
+ // Add these partial extents
+ wxArrayInt p;
+ dc.GetPartialTextExtents(stringChunk, p);
+ size_t j;
+ for (j = 0; j < p.GetCount(); j++)
+ partialExtents->Add(oldWidth + p[j]);
+ }
+ else
+ {
+ dc.GetTextExtent(stringChunk, & w, & h, & descent);
+ width += w;
+ haveDescent = true;
+ }
+ }
+
+ if (partialExtents)
+ {
+ int charHeight = dc.GetCharHeight();
+ if ((*partialExtents).GetCount() > 0)
+ w = (*partialExtents)[partialExtents->GetCount()-1];
+ else
+ w = 0;
+ size = wxSize(w, charHeight);
}
+ else
+ {
+ size = wxSize(width, dc.GetCharHeight());
+ }
+
+ if (!haveDescent)
+ dc.GetTextExtent(wxT("X"), & w, & h, & descent);
+
+ if ( bScript )
+ dc.SetFont(font);
+
return true;
}
-bool wxRichTextApplyStyle(wxTextAttr& destStyle, const wxTextAttr& style, wxTextAttr* compareWith)
+/// Do a split, returning an object containing the second part, and setting
+/// the first part in 'this'.
+wxRichTextObject* wxRichTextPlainText::DoSplit(long pos)
{
- return destStyle.Apply(style, compareWith);
-}
+ long index = pos - GetRange().GetStart();
-// Remove attributes
-bool wxRichTextRemoveStyle(wxTextAttr& destStyle, const wxTextAttr& style)
-{
- return wxTextAttr::RemoveStyle(destStyle, style);
-}
+ if (index < 0 || index >= (int) m_text.length())
+ return NULL;
-/// Combine two bitlists, specifying the bits of interest with separate flags.
-bool wxRichTextCombineBitlists(int& valueA, int valueB, int& flagsA, int flagsB)
-{
- return wxTextAttr::CombineBitlists(valueA, valueB, flagsA, flagsB);
-}
+ wxString firstPart = m_text.Mid(0, index);
+ wxString secondPart = m_text.Mid(index);
-/// Compare two bitlists
-bool wxRichTextBitlistsEqPartial(int valueA, int valueB, int flags)
-{
- return wxTextAttr::BitlistsEqPartial(valueA, valueB, flags);
+ m_text = firstPart;
+
+ wxRichTextPlainText* newObject = new wxRichTextPlainText(secondPart);
+ newObject->SetAttributes(GetAttributes());
+ newObject->SetProperties(GetProperties());
+
+ newObject->SetRange(wxRichTextRange(pos, GetRange().GetEnd()));
+ GetRange().SetEnd(pos-1);
+
+ return newObject;
}
-/// Split into paragraph and character styles
-bool wxRichTextSplitParaCharStyles(const wxTextAttr& style, wxTextAttr& parStyle, wxTextAttr& charStyle)
+/// Calculate range
+void wxRichTextPlainText::CalculateRange(long start, long& end)
{
- return wxTextAttr::SplitParaCharStyles(style, parStyle, charStyle);
+ end = start + m_text.length() - 1;
+ m_range.SetRange(start, end);
}
-/// Convert a decimal to Roman numerals
-wxString wxRichTextDecimalToRoman(long n)
+/// Delete range
+bool wxRichTextPlainText::DeleteRange(const wxRichTextRange& range)
{
- static wxArrayInt decimalNumbers;
- static wxArrayString romanNumbers;
+ wxRichTextRange r = range;
- // Clean up arrays
- if (n == -1)
+ r.LimitTo(GetRange());
+
+ if (r.GetStart() == GetRange().GetStart() && r.GetEnd() == GetRange().GetEnd())
{
- decimalNumbers.Clear();
- romanNumbers.Clear();
- return wxEmptyString;
+ m_text.Empty();
+ return true;
}
- if (decimalNumbers.GetCount() == 0)
- {
- #define wxRichTextAddDecRom(n, r) decimalNumbers.Add(n); romanNumbers.Add(r);
+ long startIndex = r.GetStart() - GetRange().GetStart();
+ long len = r.GetLength();
- wxRichTextAddDecRom(1000, wxT("M"));
- wxRichTextAddDecRom(900, wxT("CM"));
- wxRichTextAddDecRom(500, wxT("D"));
- wxRichTextAddDecRom(400, wxT("CD"));
- wxRichTextAddDecRom(100, wxT("C"));
- wxRichTextAddDecRom(90, wxT("XC"));
- wxRichTextAddDecRom(50, wxT("L"));
- wxRichTextAddDecRom(40, wxT("XL"));
- wxRichTextAddDecRom(10, wxT("X"));
- wxRichTextAddDecRom(9, wxT("IX"));
- wxRichTextAddDecRom(5, wxT("V"));
- wxRichTextAddDecRom(4, wxT("IV"));
- wxRichTextAddDecRom(1, wxT("I"));
- }
+ m_text = m_text.Mid(0, startIndex) + m_text.Mid(startIndex+len);
+ return true;
+}
- int i = 0;
- wxString roman;
+/// Get text for the given range.
+wxString wxRichTextPlainText::GetTextForRange(const wxRichTextRange& range) const
+{
+ wxRichTextRange r = range;
- while (n > 0 && i < 13)
+ r.LimitTo(GetRange());
+
+ long startIndex = r.GetStart() - GetRange().GetStart();
+ long len = r.GetLength();
+
+ return m_text.Mid(startIndex, len);
+}
+
+/// Returns true if this object can merge itself with the given one.
+bool wxRichTextPlainText::CanMerge(wxRichTextObject* object, wxRichTextDrawingContext& context) const
+{
+ // JACS 2013-01-27
+ if (!context.GetVirtualAttributesEnabled())
{
- if (n >= decimalNumbers[i])
- {
- n -= decimalNumbers[i];
- roman += romanNumbers[i];
- }
+ return object->GetClassInfo() == wxCLASSINFO(wxRichTextPlainText) &&
+ (m_text.empty() || (wxTextAttrEq(GetAttributes(), object->GetAttributes()) && m_properties == object->GetProperties()));
+ }
+ else
+ {
+ wxRichTextPlainText* otherObj = wxDynamicCast(object, wxRichTextPlainText);
+ if (!otherObj || m_text.empty())
+ return false;
+
+ if (!wxTextAttrEq(GetAttributes(), object->GetAttributes()) || !(m_properties == object->GetProperties()))
+ return false;
+
+ // Check if differing virtual attributes makes it impossible to merge
+ // these strings.
+
+ bool hasVirtualAttr1 = context.HasVirtualAttributes((wxRichTextObject*) this);
+ bool hasVirtualAttr2 = context.HasVirtualAttributes((wxRichTextObject*) object);
+ if (!hasVirtualAttr1 && !hasVirtualAttr2)
+ return true;
+ else if (hasVirtualAttr1 != hasVirtualAttr2)
+ return false;
else
{
- i ++;
+ wxRichTextAttr virtualAttr1 = context.GetVirtualAttributes((wxRichTextObject*) this);
+ wxRichTextAttr virtualAttr2 = context.GetVirtualAttributes((wxRichTextObject*) object);
+ return virtualAttr1 == virtualAttr2;
}
}
- if (roman.IsEmpty())
- roman = wxT("0");
- return roman;
}
-/*!
- * wxRichTextFileHandler
- * Base class for file handlers
- */
+/// Returns true if this object merged itself with the given one.
+/// The calling code will then delete the given object.
+bool wxRichTextPlainText::Merge(wxRichTextObject* object, wxRichTextDrawingContext& WXUNUSED(context))
+{
+ wxRichTextPlainText* textObject = wxDynamicCast(object, wxRichTextPlainText);
+ wxASSERT( textObject != NULL );
-IMPLEMENT_CLASS(wxRichTextFileHandler, wxObject)
+ if (textObject)
+ {
+ m_text += textObject->GetText();
+ wxRichTextApplyStyle(m_attributes, textObject->GetAttributes());
+ return true;
+ }
+ else
+ return false;
+}
-#if wxUSE_FFILE && wxUSE_STREAMS
-bool wxRichTextFileHandler::LoadFile(wxRichTextBuffer *buffer, const wxString& filename)
+bool wxRichTextPlainText::CanSplit(wxRichTextDrawingContext& context) const
{
- wxFFileInputStream stream(filename);
- if (stream.Ok())
- return LoadFile(buffer, stream);
-
- return false;
+ // If this object has any virtual attributes at all, whether for the whole object
+ // or individual ones, we should try splitting it by calling Split.
+ // Must be more than one character in order to be able to split.
+ return m_text.Length() > 1 && context.HasVirtualAttributes((wxRichTextObject*) this);
}
-bool wxRichTextFileHandler::SaveFile(wxRichTextBuffer *buffer, const wxString& filename)
+wxRichTextObject* wxRichTextPlainText::Split(wxRichTextDrawingContext& context)
{
- wxFFileOutputStream stream(filename);
- if (stream.Ok())
- return SaveFile(buffer, stream);
+ int count = context.GetVirtualSubobjectAttributesCount(this);
+ if (count > 0 && GetParent())
+ {
+ wxRichTextCompositeObject* parent = wxDynamicCast(GetParent(), wxRichTextCompositeObject);
+ wxRichTextObjectList::compatibility_iterator node = parent->GetChildren().Find(this);
+ if (node)
+ {
+ const wxRichTextAttr emptyAttr;
+ wxRichTextObjectList::compatibility_iterator next = node->GetNext();
+
+ wxArrayInt positions;
+ wxRichTextAttrArray attributes;
+ if (context.GetVirtualSubobjectAttributes(this, positions, attributes) && positions.GetCount() > 0)
+ {
+ wxASSERT(positions.GetCount() == attributes.GetCount());
+
+ // We will gather up runs of text with the same virtual attributes
+
+ int len = m_text.Length();
+ int i = 0;
+
+ // runStart and runEnd represent the accumulated run with a consistent attribute
+ // that hasn't yet been appended
+ int runStart = -1;
+ int runEnd = -1;
+ wxRichTextAttr currentAttr;
+ wxString text = m_text;
+ wxRichTextPlainText* lastPlainText = this;
+
+ for (i = 0; i < (int) positions.GetCount(); i++)
+ {
+ int pos = positions[i];
+ wxASSERT(pos >= 0 && pos < len);
+ if (pos >= 0 && pos < len)
+ {
+ const wxRichTextAttr& attr = attributes[i];
+
+ if (pos == 0)
+ {
+ runStart = 0;
+ currentAttr = attr;
+ }
+ // Check if there was a gap from the last known attribute and this.
+ // In that case, we need to do something with the span of non-attributed text.
+ else if ((pos-1) > runEnd)
+ {
+ if (runEnd == -1)
+ {
+ // We hadn't processed anything previously, so the previous run is from the text start
+ // to just before this position. The current attribute remains empty.
+ runStart = 0;
+ runEnd = pos-1;
+ }
+ else
+ {
+ // If the previous attribute matches the gap's attribute (i.e., no attributes)
+ // then just extend the run.
+ if (currentAttr.IsDefault())
+ {
+ runEnd = pos-1;
+ }
+ else
+ {
+ // We need to add an object, or reuse the existing one.
+ if (runStart == 0)
+ {
+ lastPlainText = this;
+ SetText(text.Mid(runStart, runEnd - runStart + 1));
+ }
+ else
+ {
+ wxRichTextPlainText* obj = new wxRichTextPlainText;
+ lastPlainText = obj;
+ obj->SetAttributes(GetAttributes());
+ obj->SetProperties(GetProperties());
+ obj->SetParent(parent);
+
+ obj->SetText(text.Mid(runStart, runEnd - runStart + 1));
+ if (next)
+ parent->GetChildren().Insert(next, obj);
+ else
+ parent->GetChildren().Append(obj);
+ }
+
+ runStart = runEnd+1;
+ runEnd = pos-1;
+
+ currentAttr = emptyAttr;
+ }
+ }
+ }
+
+ wxASSERT(runEnd == pos-1);
- return false;
+ // Now we only have to deal with the previous run
+ if (currentAttr == attr)
+ {
+ // If we still have the same attributes, then we
+ // simply increase the run size.
+ runEnd = pos;
+ }
+ else
+ {
+ if (runEnd >= 0)
+ {
+ // We need to add an object, or reuse the existing one.
+ if (runStart == 0)
+ {
+ lastPlainText = this;
+ SetText(text.Mid(runStart, runEnd - runStart + 1));
+ }
+ else
+ {
+ wxRichTextPlainText* obj = new wxRichTextPlainText;
+ lastPlainText = obj;
+ obj->SetAttributes(GetAttributes());
+ obj->SetProperties(GetProperties());
+ obj->SetParent(parent);
+
+ obj->SetText(text.Mid(runStart, runEnd - runStart + 1));
+ if (next)
+ parent->GetChildren().Insert(next, obj);
+ else
+ parent->GetChildren().Append(obj);
+ }
+ }
+
+ runStart = pos;
+ runEnd = pos;
+
+ currentAttr = attr;
+ }
+ }
+ }
+
+ // We may still have a run to add, and possibly a no-attribute text fragment after that.
+ // If the whole string was already a single attribute (the run covers the whole string), don't split.
+ if ((runStart != -1) && !(runStart == 0 && runEnd == (len-1)))
+ {
+ // If the current attribute is empty, merge the run with the next fragment
+ // which by definition (because it's not specified) has empty attributes.
+ if (currentAttr.IsDefault())
+ runEnd = (len-1);
+
+ if (runEnd < (len-1))
+ {
+ // We need to add an object, or reuse the existing one.
+ if (runStart == 0)
+ {
+ lastPlainText = this;
+ SetText(text.Mid(runStart, runEnd - runStart + 1));
+ }
+ else
+ {
+ wxRichTextPlainText* obj = new wxRichTextPlainText;
+ lastPlainText = obj;
+ obj->SetAttributes(GetAttributes());
+ obj->SetProperties(GetProperties());
+ obj->SetParent(parent);
+
+ obj->SetText(text.Mid(runStart, runEnd - runStart + 1));
+ if (next)
+ parent->GetChildren().Insert(next, obj);
+ else
+ parent->GetChildren().Append(obj);
+ }
+
+ runStart = runEnd+1;
+ runEnd = (len-1);
+ }
+
+ // Now the last, non-attributed fragment at the end, if any
+ if ((runStart < len) && !(runStart == 0 && runEnd == (len-1)))
+ {
+ wxASSERT(runStart != 0);
+
+ wxRichTextPlainText* obj = new wxRichTextPlainText;
+ obj->SetAttributes(GetAttributes());
+ obj->SetProperties(GetProperties());
+ obj->SetParent(parent);
+
+ obj->SetText(text.Mid(runStart, runEnd - runStart + 1));
+ if (next)
+ parent->GetChildren().Insert(next, obj);
+ else
+ parent->GetChildren().Append(obj);
+
+ lastPlainText = obj;
+ }
+ }
+
+ return lastPlainText;
+ }
+ }
+ }
+ return this;
}
-#endif // wxUSE_FFILE && wxUSE_STREAMS
-/// Can we handle this filename (if using files)? By default, checks the extension.
-bool wxRichTextFileHandler::CanHandle(const wxString& filename) const
+/// Dump to output stream for debugging
+void wxRichTextPlainText::Dump(wxTextOutputStream& stream)
{
- wxString path, file, ext;
- wxSplitPath(filename, & path, & file, & ext);
+ wxRichTextObject::Dump(stream);
+ stream << m_text << wxT("\n");
+}
- return (ext.Lower() == GetExtension());
+/// Get the first position from pos that has a line break character.
+long wxRichTextPlainText::GetFirstLineBreakPosition(long pos)
+{
+ int i;
+ int len = m_text.length();
+ int startPos = pos - m_range.GetStart();
+ for (i = startPos; i < len; i++)
+ {
+ wxChar ch = m_text[i];
+ if (ch == wxRichTextLineBreakChar)
+ {
+ return i + m_range.GetStart();
+ }
+ }
+ return -1;
}
/*!
- * wxRichTextTextHandler
- * Plain text handler
+ * wxRichTextBuffer
+ * This is a kind of box, used to represent the whole buffer
*/
-IMPLEMENT_CLASS(wxRichTextPlainTextHandler, wxRichTextFileHandler)
+IMPLEMENT_DYNAMIC_CLASS(wxRichTextBuffer, wxRichTextParagraphLayoutBox)
-#if wxUSE_STREAMS
-bool wxRichTextPlainTextHandler::DoLoadFile(wxRichTextBuffer *buffer, wxInputStream& stream)
+wxList wxRichTextBuffer::sm_handlers;
+wxList wxRichTextBuffer::sm_drawingHandlers;
+wxRichTextFieldTypeHashMap wxRichTextBuffer::sm_fieldTypes;
+wxRichTextRenderer* wxRichTextBuffer::sm_renderer = NULL;
+int wxRichTextBuffer::sm_bulletRightMargin = 20;
+float wxRichTextBuffer::sm_bulletProportion = (float) 0.3;
+bool wxRichTextBuffer::sm_floatingLayoutMode = true;
+
+/// Initialisation
+void wxRichTextBuffer::Init()
{
- if (!stream.IsOk())
- return false;
+ m_commandProcessor = new wxCommandProcessor;
+ m_styleSheet = NULL;
+ m_modified = false;
+ m_batchedCommandDepth = 0;
+ m_batchedCommand = NULL;
+ m_suppressUndo = 0;
+ m_handlerFlags = 0;
+ m_scale = 1.0;
+ m_dimensionScale = 1.0;
+ m_fontScale = 1.0;
+ SetMargins(4);
+}
- wxString str;
- int lastCh = 0;
+/// Initialisation
+wxRichTextBuffer::~wxRichTextBuffer()
+{
+ delete m_commandProcessor;
+ delete m_batchedCommand;
+
+ ClearStyleStack();
+ ClearEventHandlers();
+}
+
+void wxRichTextBuffer::ResetAndClearCommands()
+{
+ Reset();
+
+ GetCommandProcessor()->ClearCommands();
+
+ Modify(false);
+ Invalidate(wxRICHTEXT_ALL);
+}
+
+void wxRichTextBuffer::Copy(const wxRichTextBuffer& obj)
+{
+ wxRichTextParagraphLayoutBox::Copy(obj);
+
+ m_styleSheet = obj.m_styleSheet;
+ m_modified = obj.m_modified;
+ m_batchedCommandDepth = 0;
+ if (m_batchedCommand)
+ delete m_batchedCommand;
+ m_batchedCommand = NULL;
+ m_suppressUndo = obj.m_suppressUndo;
+ m_invalidRange = obj.m_invalidRange;
+ m_dimensionScale = obj.m_dimensionScale;
+ m_fontScale = obj.m_fontScale;
+}
+
+/// Push style sheet to top of stack
+bool wxRichTextBuffer::PushStyleSheet(wxRichTextStyleSheet* styleSheet)
+{
+ if (m_styleSheet)
+ styleSheet->InsertSheet(m_styleSheet);
+
+ SetStyleSheet(styleSheet);
+
+ return true;
+}
+
+/// Pop style sheet from top of stack
+wxRichTextStyleSheet* wxRichTextBuffer::PopStyleSheet()
+{
+ if (m_styleSheet)
+ {
+ wxRichTextStyleSheet* oldSheet = m_styleSheet;
+ m_styleSheet = oldSheet->GetNextSheet();
+ oldSheet->Unlink();
+
+ return oldSheet;
+ }
+ else
+ return NULL;
+}
+
+/// Submit command to insert paragraphs
+bool wxRichTextBuffer::InsertParagraphsWithUndo(long pos, const wxRichTextParagraphLayoutBox& paragraphs, wxRichTextCtrl* ctrl, int flags)
+{
+ return ctrl->GetFocusObject()->InsertParagraphsWithUndo(this, pos, paragraphs, ctrl, flags);
+}
+
+/// Submit command to insert paragraphs
+bool wxRichTextParagraphLayoutBox::InsertParagraphsWithUndo(wxRichTextBuffer* buffer, long pos, const wxRichTextParagraphLayoutBox& paragraphs, wxRichTextCtrl* ctrl, int WXUNUSED(flags))
+{
+ wxRichTextAction* action = new wxRichTextAction(NULL, _("Insert Text"), wxRICHTEXT_INSERT, buffer, this, ctrl, false);
+
+ action->GetNewParagraphs() = paragraphs;
+
+ action->SetPosition(pos);
+
+ wxRichTextRange range = wxRichTextRange(pos, pos + paragraphs.GetOwnRange().GetEnd() - 1);
+ if (!paragraphs.GetPartialParagraph())
+ range.SetEnd(range.GetEnd()+1);
+
+ // Set the range we'll need to delete in Undo
+ action->SetRange(range);
+
+ buffer->SubmitAction(action);
+
+ return true;
+}
+
+/// Submit command to insert the given text
+bool wxRichTextBuffer::InsertTextWithUndo(long pos, const wxString& text, wxRichTextCtrl* ctrl, int flags)
+{
+ if (ctrl)
+ return ctrl->GetFocusObject()->InsertTextWithUndo(this, pos, text, ctrl, flags);
+ else
+ return wxRichTextParagraphLayoutBox::InsertTextWithUndo(this, pos, text, ctrl, flags);
+}
+
+/// Submit command to insert the given text
+bool wxRichTextParagraphLayoutBox::InsertTextWithUndo(wxRichTextBuffer* buffer, long pos, const wxString& text, wxRichTextCtrl* ctrl, int flags)
+{
+ wxRichTextAction* action = new wxRichTextAction(NULL, _("Insert Text"), wxRICHTEXT_INSERT, buffer, this, ctrl, false);
+
+ wxRichTextAttr* p = NULL;
+ wxRichTextAttr paraAttr;
+ if (flags & wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE)
+ {
+ // Get appropriate paragraph style
+ paraAttr = GetStyleForNewParagraph(buffer, pos, false, false);
+ if (!paraAttr.IsDefault())
+ p = & paraAttr;
+ }
+
+ action->GetNewParagraphs().AddParagraphs(text, p);
+
+ int length = action->GetNewParagraphs().GetOwnRange().GetLength();
+
+ if (!text.empty() && text.Last() != wxT('\n'))
+ {
+ // Don't count the newline when undoing
+ length --;
+ action->GetNewParagraphs().SetPartialParagraph(true);
+ }
+ else if (!text.empty() && text.Last() == wxT('\n'))
+ length --;
+
+ action->SetPosition(pos);
+
+ // Set the range we'll need to delete in Undo
+ action->SetRange(wxRichTextRange(pos, pos + length - 1));
+
+ buffer->SubmitAction(action);
+
+ return true;
+}
+
+/// Submit command to insert the given text
+bool wxRichTextBuffer::InsertNewlineWithUndo(long pos, wxRichTextCtrl* ctrl, int flags)
+{
+ return ctrl->GetFocusObject()->InsertNewlineWithUndo(this, pos, ctrl, flags);
+}
+
+/// Submit command to insert the given text
+bool wxRichTextParagraphLayoutBox::InsertNewlineWithUndo(wxRichTextBuffer* buffer, long pos, wxRichTextCtrl* ctrl, int flags)
+{
+ wxRichTextAction* action = new wxRichTextAction(NULL, _("Insert Text"), wxRICHTEXT_INSERT, buffer, this, ctrl, false);
+
+ wxRichTextAttr* p = NULL;
+ wxRichTextAttr paraAttr;
+ if (flags & wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE)
+ {
+ paraAttr = GetStyleForNewParagraph(buffer, pos, false, true /* look for next paragraph style */);
+ if (!paraAttr.IsDefault())
+ p = & paraAttr;
+ }
+
+ wxRichTextAttr attr(buffer->GetDefaultStyle());
+ // Don't include box attributes such as margins
+ attr.GetTextBoxAttr().Reset();
+
+ wxRichTextParagraph* newPara = new wxRichTextParagraph(wxEmptyString, this, & attr);
+ action->GetNewParagraphs().AppendChild(newPara);
+ action->GetNewParagraphs().UpdateRanges();
+ action->GetNewParagraphs().SetPartialParagraph(false);
+ wxRichTextParagraph* para = GetParagraphAtPosition(pos, false);
+ long pos1 = pos;
+
+ if (p)
+ newPara->SetAttributes(*p);
+
+ if (flags & wxRICHTEXT_INSERT_INTERACTIVE)
+ {
+ if (para && para->GetRange().GetEnd() == pos)
+ pos1 ++;
+
+ // Now see if we need to number the paragraph.
+ if (newPara->GetAttributes().HasBulletNumber())
+ {
+ wxRichTextAttr numberingAttr;
+ if (FindNextParagraphNumber(para, numberingAttr))
+ wxRichTextApplyStyle(newPara->GetAttributes(), (const wxRichTextAttr&) numberingAttr);
+ }
+ }
+
+ action->SetPosition(pos);
+
+ // Use the default character style
+ if (!buffer->GetDefaultStyle().IsDefault() && newPara->GetChildren().GetFirst())
+ {
+ // Check whether the default style merely reflects the paragraph/basic style,
+ // in which case don't apply it.
+ wxRichTextAttr defaultStyle(buffer->GetDefaultStyle());
+ defaultStyle.GetTextBoxAttr().Reset();
+ wxRichTextAttr toApply;
+ if (para)
+ {
+ wxRichTextAttr combinedAttr = para->GetCombinedAttributes(true /* include box attributes */);
+ wxRichTextAttr newAttr;
+ // This filters out attributes that are accounted for by the current
+ // paragraph/basic style
+ wxRichTextApplyStyle(toApply, defaultStyle, & combinedAttr);
+ }
+ else
+ toApply = defaultStyle;
+
+ if (!toApply.IsDefault())
+ newPara->GetChildren().GetFirst()->GetData()->SetAttributes(toApply);
+ }
+
+ // Set the range we'll need to delete in Undo
+ action->SetRange(wxRichTextRange(pos1, pos1));
+
+ buffer->SubmitAction(action);
+
+ return true;
+}
+
+/// Submit command to insert the given image
+bool wxRichTextBuffer::InsertImageWithUndo(long pos, const wxRichTextImageBlock& imageBlock, wxRichTextCtrl* ctrl, int flags,
+ const wxRichTextAttr& textAttr)
+{
+ return ctrl->GetFocusObject()->InsertImageWithUndo(this, pos, imageBlock, ctrl, flags, textAttr);
+}
+
+/// Submit command to insert the given image
+bool wxRichTextParagraphLayoutBox::InsertImageWithUndo(wxRichTextBuffer* buffer, long pos, const wxRichTextImageBlock& imageBlock,
+ wxRichTextCtrl* ctrl, int flags,
+ const wxRichTextAttr& textAttr)
+{
+ wxRichTextAction* action = new wxRichTextAction(NULL, _("Insert Image"), wxRICHTEXT_INSERT, buffer, this, ctrl, false);
+
+ wxRichTextAttr* p = NULL;
+ wxRichTextAttr paraAttr;
+ if (flags & wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE)
+ {
+ paraAttr = GetStyleForNewParagraph(buffer, pos);
+ if (!paraAttr.IsDefault())
+ p = & paraAttr;
+ }
+
+ wxRichTextAttr attr(buffer->GetDefaultStyle());
+
+ // Don't include box attributes such as margins
+ attr.GetTextBoxAttr().Reset();
+
+ wxRichTextParagraph* newPara = new wxRichTextParagraph(this, & attr);
+ if (p)
+ newPara->SetAttributes(*p);
+
+ wxRichTextImage* imageObject = new wxRichTextImage(imageBlock, newPara);
+ newPara->AppendChild(imageObject);
+ imageObject->SetAttributes(textAttr);
+ action->GetNewParagraphs().AppendChild(newPara);
+ action->GetNewParagraphs().UpdateRanges();
+
+ action->GetNewParagraphs().SetPartialParagraph(true);
+
+ action->SetPosition(pos);
+
+ // Set the range we'll need to delete in Undo
+ action->SetRange(wxRichTextRange(pos, pos));
+
+ buffer->SubmitAction(action);
+
+ return true;
+}
+
+// Insert an object with no change of it
+wxRichTextObject* wxRichTextBuffer::InsertObjectWithUndo(long pos, wxRichTextObject *object, wxRichTextCtrl* ctrl, int flags)
+{
+ return ctrl->GetFocusObject()->InsertObjectWithUndo(this, pos, object, ctrl, flags);
+}
+
+// Insert an object with no change of it
+wxRichTextObject* wxRichTextParagraphLayoutBox::InsertObjectWithUndo(wxRichTextBuffer* buffer, long pos, wxRichTextObject *object, wxRichTextCtrl* ctrl, int flags)
+{
+ wxRichTextAction* action = new wxRichTextAction(NULL, _("Insert Object"), wxRICHTEXT_INSERT, buffer, this, ctrl, false);
+
+ wxRichTextAttr* p = NULL;
+ wxRichTextAttr paraAttr;
+ if (flags & wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE)
+ {
+ paraAttr = GetStyleForNewParagraph(buffer, pos);
+ if (!paraAttr.IsDefault())
+ p = & paraAttr;
+ }
+
+ wxRichTextAttr attr(buffer->GetDefaultStyle());
+
+ // Don't include box attributes such as margins
+ attr.GetTextBoxAttr().Reset();
+
+ wxRichTextParagraph* newPara = new wxRichTextParagraph(this, & attr);
+ if (p)
+ newPara->SetAttributes(*p);
+
+ newPara->AppendChild(object);
+ action->GetNewParagraphs().AppendChild(newPara);
+ action->GetNewParagraphs().UpdateRanges();
+
+ action->GetNewParagraphs().SetPartialParagraph(true);
+
+ action->SetPosition(pos);
+
+ // Set the range we'll need to delete in Undo
+ action->SetRange(wxRichTextRange(pos, pos));
+
+ buffer->SubmitAction(action);
+
+ wxRichTextObject* obj = GetLeafObjectAtPosition(pos);
+ return obj;
+}
+
+wxRichTextField* wxRichTextParagraphLayoutBox::InsertFieldWithUndo(wxRichTextBuffer* buffer, long pos, const wxString& fieldType,
+ const wxRichTextProperties& properties,
+ wxRichTextCtrl* ctrl, int flags,
+ const wxRichTextAttr& textAttr)
+{
+ wxRichTextAction* action = new wxRichTextAction(NULL, _("Insert Field"), wxRICHTEXT_INSERT, buffer, this, ctrl, false);
+
+ wxRichTextAttr* p = NULL;
+ wxRichTextAttr paraAttr;
+ if (flags & wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE)
+ {
+ paraAttr = GetStyleForNewParagraph(buffer, pos);
+ if (!paraAttr.IsDefault())
+ p = & paraAttr;
+ }
+
+ wxRichTextAttr attr(buffer->GetDefaultStyle());
+
+ // Don't include box attributes such as margins
+ attr.GetTextBoxAttr().Reset();
+
+ wxRichTextParagraph* newPara = new wxRichTextParagraph(this, & attr);
+ if (p)
+ newPara->SetAttributes(*p);
+
+ wxRichTextField* fieldObject = new wxRichTextField();
+ fieldObject->wxRichTextObject::SetProperties(properties);
+ fieldObject->SetFieldType(fieldType);
+ fieldObject->SetAttributes(textAttr);
+ newPara->AppendChild(fieldObject);
+ action->GetNewParagraphs().AppendChild(newPara);
+ action->GetNewParagraphs().UpdateRanges();
+ action->GetNewParagraphs().SetPartialParagraph(true);
+ action->SetPosition(pos);
+
+ // Set the range we'll need to delete in Undo
+ action->SetRange(wxRichTextRange(pos, pos));
+
+ buffer->SubmitAction(action);
+
+ wxRichTextField* obj = wxDynamicCast(GetLeafObjectAtPosition(pos), wxRichTextField);
+ return obj;
+}
+
+bool wxRichTextParagraphLayoutBox::SetObjectPropertiesWithUndo(wxRichTextObject& obj, const wxRichTextProperties& properties, wxRichTextObject* objToSet)
+{
+ wxRichTextBuffer* buffer = GetBuffer();
+ wxCHECK_MSG(buffer, false, wxT("Invalid buffer"));
+ wxRichTextCtrl* rtc = buffer->GetRichTextCtrl();
+ wxCHECK_MSG(rtc, false, wxT("Invalid rtc"));
+
+ wxRichTextAction* action = NULL;
+ wxRichTextObject* clone = NULL;
+
+ // The object on which to set properties will usually be 'obj', but use objToSet if it's valid.
+ // This is necessary e.g. on setting a wxRichTextCell's properties, when obj will be the parent table
+ if (objToSet == NULL)
+ objToSet = &obj;
+
+ if (rtc->SuppressingUndo())
+ objToSet->SetProperties(properties);
+ else
+ {
+ clone = obj.Clone();
+ objToSet->SetProperties(properties);
+
+ // The 'true' parameter in the next line says "Ignore first time"; otherwise the objects are prematurely switched
+ action = new wxRichTextAction(NULL, _("Change Properties"), wxRICHTEXT_CHANGE_OBJECT, buffer, obj.GetParentContainer(), rtc, true);
+ action->SetOldAndNewObjects(& obj, clone);
+ action->SetPosition(obj.GetRange().GetStart());
+ action->SetRange(obj.GetRange());
+ buffer->SubmitAction(action);
+ }
+
+ return true;
+}
+
+/// Get the style that is appropriate for a new paragraph at this position.
+/// If the previous paragraph has a paragraph style name, look up the next-paragraph
+/// style.
+wxRichTextAttr wxRichTextParagraphLayoutBox::GetStyleForNewParagraph(wxRichTextBuffer* buffer, long pos, bool caretPosition, bool lookUpNewParaStyle) const
+{
+ wxRichTextParagraph* para = GetParagraphAtPosition(pos, caretPosition);
+ if (para)
+ {
+ wxRichTextAttr attr;
+ bool foundAttributes = false;
+
+ // Look for a matching paragraph style
+ if (lookUpNewParaStyle && !para->GetAttributes().GetParagraphStyleName().IsEmpty() && buffer->GetStyleSheet())
+ {
+ wxRichTextParagraphStyleDefinition* paraDef = buffer->GetStyleSheet()->FindParagraphStyle(para->GetAttributes().GetParagraphStyleName());
+ if (paraDef)
+ {
+ // If we're not at the end of the paragraph, then we apply THIS style, and not the designated next style.
+ if (para->GetRange().GetEnd() == pos && !paraDef->GetNextStyle().IsEmpty())
+ {
+ wxRichTextParagraphStyleDefinition* nextParaDef = buffer->GetStyleSheet()->FindParagraphStyle(paraDef->GetNextStyle());
+ if (nextParaDef)
+ {
+ foundAttributes = true;
+ attr = nextParaDef->GetStyleMergedWithBase(buffer->GetStyleSheet());
+ }
+ }
+
+ // If we didn't find the 'next style', use this style instead.
+ if (!foundAttributes)
+ {
+ foundAttributes = true;
+ attr = paraDef->GetStyleMergedWithBase(buffer->GetStyleSheet());
+ }
+ }
+ }
+
+ // Also apply list style if present
+ if (lookUpNewParaStyle && !para->GetAttributes().GetListStyleName().IsEmpty() && buffer->GetStyleSheet())
+ {
+ wxRichTextListStyleDefinition* listDef = buffer->GetStyleSheet()->FindListStyle(para->GetAttributes().GetListStyleName());
+ if (listDef)
+ {
+ int thisIndent = para->GetAttributes().GetLeftIndent();
+ int thisLevel = para->GetAttributes().HasOutlineLevel() ? para->GetAttributes().GetOutlineLevel() : listDef->FindLevelForIndent(thisIndent);
+
+ // Apply the overall list style, and item style for this level
+ wxRichTextAttr listStyle(listDef->GetCombinedStyleForLevel(thisLevel, buffer->GetStyleSheet()));
+ wxRichTextApplyStyle(attr, listStyle);
+ attr.SetOutlineLevel(thisLevel);
+ if (para->GetAttributes().HasBulletNumber())
+ attr.SetBulletNumber(para->GetAttributes().GetBulletNumber());
+ }
+ }
+
+ if (!foundAttributes)
+ {
+ attr = para->GetAttributes();
+ int flags = attr.GetFlags();
+
+ // Eliminate character styles
+ flags &= ( (~ wxTEXT_ATTR_FONT) |
+ (~ wxTEXT_ATTR_TEXT_COLOUR) |
+ (~ wxTEXT_ATTR_BACKGROUND_COLOUR) );
+ attr.SetFlags(flags);
+ }
+
+ return attr;
+ }
+ else
+ return wxRichTextAttr();
+}
+
+/// Submit command to delete this range
+bool wxRichTextBuffer::DeleteRangeWithUndo(const wxRichTextRange& range, wxRichTextCtrl* ctrl)
+{
+ return ctrl->GetFocusObject()->DeleteRangeWithUndo(range, ctrl, this);
+}
+
+/// Submit command to delete this range
+bool wxRichTextParagraphLayoutBox::DeleteRangeWithUndo(const wxRichTextRange& range, wxRichTextCtrl* ctrl, wxRichTextBuffer* buffer)
+{
+ wxRichTextAction* action = new wxRichTextAction(NULL, _("Delete"), wxRICHTEXT_DELETE, buffer, this, ctrl);
+
+ action->SetPosition(ctrl->GetCaretPosition());
+
+ // Set the range to delete
+ action->SetRange(range);
+
+ // Copy the fragment that we'll need to restore in Undo
+ CopyFragment(range, action->GetOldParagraphs());
+
+ // See if we're deleting a paragraph marker, in which case we need to
+ // make a note not to copy the attributes from the 2nd paragraph to the 1st.
+ if (range.GetStart() == range.GetEnd())
+ {
+ wxRichTextParagraph* para = GetParagraphAtPosition(range.GetStart());
+ if (para && para->GetRange().GetEnd() == range.GetEnd())
+ {
+ wxRichTextParagraph* nextPara = GetParagraphAtPosition(range.GetStart()+1);
+ if (nextPara && nextPara != para)
+ {
+ action->GetOldParagraphs().GetChildren().GetFirst()->GetData()->SetAttributes(nextPara->GetAttributes());
+ action->GetOldParagraphs().GetAttributes().SetFlags(action->GetOldParagraphs().GetAttributes().GetFlags() | wxTEXT_ATTR_KEEP_FIRST_PARA_STYLE);
+ }
+ }
+ }
+
+ buffer->SubmitAction(action);
+
+ return true;
+}
+
+/// Collapse undo/redo commands
+bool wxRichTextBuffer::BeginBatchUndo(const wxString& cmdName)
+{
+ if (m_batchedCommandDepth == 0)
+ {
+ wxASSERT(m_batchedCommand == NULL);
+ if (m_batchedCommand)
+ {
+ GetCommandProcessor()->Store(m_batchedCommand);
+ }
+ m_batchedCommand = new wxRichTextCommand(cmdName);
+ }
+
+ m_batchedCommandDepth ++;
+
+ return true;
+}
+
+/// Collapse undo/redo commands
+bool wxRichTextBuffer::EndBatchUndo()
+{
+ m_batchedCommandDepth --;
+
+ wxASSERT(m_batchedCommandDepth >= 0);
+ wxASSERT(m_batchedCommand != NULL);
+
+ if (m_batchedCommandDepth == 0)
+ {
+ GetCommandProcessor()->Store(m_batchedCommand);
+ m_batchedCommand = NULL;
+ }
+
+ return true;
+}
+
+/// Submit immediately, or delay according to whether collapsing is on
+bool wxRichTextBuffer::SubmitAction(wxRichTextAction* action)
+{
+ if (action && !action->GetNewParagraphs().IsEmpty())
+ PrepareContent(action->GetNewParagraphs());
+
+ if (BatchingUndo() && m_batchedCommand && !SuppressingUndo())
+ {
+ if (!action->GetIgnoreFirstTime())
+ {
+ wxRichTextCommand* cmd = new wxRichTextCommand(action->GetName());
+ cmd->AddAction(action);
+ cmd->Do();
+ cmd->GetActions().Clear();
+ delete cmd;
+ }
+
+ m_batchedCommand->AddAction(action);
+ }
+ else
+ {
+ wxRichTextCommand* cmd = new wxRichTextCommand(action->GetName());
+ cmd->AddAction(action);
+
+ // Only store it if we're not suppressing undo.
+ if (!action->GetIgnoreFirstTime())
+ {
+ return GetCommandProcessor()->Submit(cmd, !SuppressingUndo());
+ }
+ else if (!SuppressingUndo())
+ {
+ GetCommandProcessor()->Store(cmd); // Just store it, without Do()ing anything
+ }
+ }
+
+ return true;
+}
+
+/// Begin suppressing undo/redo commands.
+bool wxRichTextBuffer::BeginSuppressUndo()
+{
+ m_suppressUndo ++;
+
+ return true;
+}
+
+/// End suppressing undo/redo commands.
+bool wxRichTextBuffer::EndSuppressUndo()
+{
+ m_suppressUndo --;
+
+ return true;
+}
+
+/// Begin using a style
+bool wxRichTextBuffer::BeginStyle(const wxRichTextAttr& style)
+{
+ wxRichTextAttr newStyle(GetDefaultStyle());
+ newStyle.GetTextBoxAttr().Reset();
+
+ // Save the old default style
+ m_attributeStack.Append((wxObject*) new wxRichTextAttr(newStyle));
+
+ wxRichTextApplyStyle(newStyle, style);
+ newStyle.SetFlags(style.GetFlags()|newStyle.GetFlags());
+
+ SetDefaultStyle(newStyle);
+
+ return true;
+}
+
+/// End the style
+bool wxRichTextBuffer::EndStyle()
+{
+ if (!m_attributeStack.GetFirst())
+ {
+ wxLogDebug(_("Too many EndStyle calls!"));
+ return false;
+ }
+
+ wxList::compatibility_iterator node = m_attributeStack.GetLast();
+ wxRichTextAttr* attr = (wxRichTextAttr*)node->GetData();
+ m_attributeStack.Erase(node);
+
+ SetDefaultStyle(*attr);
+
+ delete attr;
+ return true;
+}
+
+/// End all styles
+bool wxRichTextBuffer::EndAllStyles()
+{
+ while (m_attributeStack.GetCount() != 0)
+ EndStyle();
+ return true;
+}
+
+/// Clear the style stack
+void wxRichTextBuffer::ClearStyleStack()
+{
+ for (wxList::compatibility_iterator node = m_attributeStack.GetFirst(); node; node = node->GetNext())
+ delete (wxRichTextAttr*) node->GetData();
+ m_attributeStack.Clear();
+}
+
+/// Begin using bold
+bool wxRichTextBuffer::BeginBold()
+{
+ wxRichTextAttr attr;
+ attr.SetFontWeight(wxFONTWEIGHT_BOLD);
+
+ return BeginStyle(attr);
+}
+
+/// Begin using italic
+bool wxRichTextBuffer::BeginItalic()
+{
+ wxRichTextAttr attr;
+ attr.SetFontStyle(wxFONTSTYLE_ITALIC);
+
+ return BeginStyle(attr);
+}
+
+/// Begin using underline
+bool wxRichTextBuffer::BeginUnderline()
+{
+ wxRichTextAttr attr;
+ attr.SetFontUnderlined(true);
+
+ return BeginStyle(attr);
+}
+
+/// Begin using point size
+bool wxRichTextBuffer::BeginFontSize(int pointSize)
+{
+ wxRichTextAttr attr;
+ attr.SetFontSize(pointSize);
+
+ return BeginStyle(attr);
+}
+
+/// Begin using this font
+bool wxRichTextBuffer::BeginFont(const wxFont& font)
+{
+ wxRichTextAttr attr;
+ attr.SetFont(font);
+
+ return BeginStyle(attr);
+}
+
+/// Begin using this colour
+bool wxRichTextBuffer::BeginTextColour(const wxColour& colour)
+{
+ wxRichTextAttr attr;
+ attr.SetFlags(wxTEXT_ATTR_TEXT_COLOUR);
+ attr.SetTextColour(colour);
+
+ return BeginStyle(attr);
+}
+
+/// Begin using alignment
+bool wxRichTextBuffer::BeginAlignment(wxTextAttrAlignment alignment)
+{
+ wxRichTextAttr attr;
+ attr.SetFlags(wxTEXT_ATTR_ALIGNMENT);
+ attr.SetAlignment(alignment);
+
+ return BeginStyle(attr);
+}
+
+/// Begin left indent
+bool wxRichTextBuffer::BeginLeftIndent(int leftIndent, int leftSubIndent)
+{
+ wxRichTextAttr attr;
+ attr.SetFlags(wxTEXT_ATTR_LEFT_INDENT);
+ attr.SetLeftIndent(leftIndent, leftSubIndent);
+
+ return BeginStyle(attr);
+}
+
+/// Begin right indent
+bool wxRichTextBuffer::BeginRightIndent(int rightIndent)
+{
+ wxRichTextAttr attr;
+ attr.SetFlags(wxTEXT_ATTR_RIGHT_INDENT);
+ attr.SetRightIndent(rightIndent);
+
+ return BeginStyle(attr);
+}
+
+/// Begin paragraph spacing
+bool wxRichTextBuffer::BeginParagraphSpacing(int before, int after)
+{
+ long flags = 0;
+ if (before != 0)
+ flags |= wxTEXT_ATTR_PARA_SPACING_BEFORE;
+ if (after != 0)
+ flags |= wxTEXT_ATTR_PARA_SPACING_AFTER;
+
+ wxRichTextAttr attr;
+ attr.SetFlags(flags);
+ attr.SetParagraphSpacingBefore(before);
+ attr.SetParagraphSpacingAfter(after);
+
+ return BeginStyle(attr);
+}
+
+/// Begin line spacing
+bool wxRichTextBuffer::BeginLineSpacing(int lineSpacing)
+{
+ wxRichTextAttr attr;
+ attr.SetFlags(wxTEXT_ATTR_LINE_SPACING);
+ attr.SetLineSpacing(lineSpacing);
+
+ return BeginStyle(attr);
+}
+
+/// Begin numbered bullet
+bool wxRichTextBuffer::BeginNumberedBullet(int bulletNumber, int leftIndent, int leftSubIndent, int bulletStyle)
+{
+ wxRichTextAttr attr;
+ attr.SetFlags(wxTEXT_ATTR_BULLET_STYLE|wxTEXT_ATTR_LEFT_INDENT);
+ attr.SetBulletStyle(bulletStyle);
+ attr.SetBulletNumber(bulletNumber);
+ attr.SetLeftIndent(leftIndent, leftSubIndent);
+
+ return BeginStyle(attr);
+}
+
+/// Begin symbol bullet
+bool wxRichTextBuffer::BeginSymbolBullet(const wxString& symbol, int leftIndent, int leftSubIndent, int bulletStyle)
+{
+ wxRichTextAttr attr;
+ attr.SetFlags(wxTEXT_ATTR_BULLET_STYLE|wxTEXT_ATTR_LEFT_INDENT);
+ attr.SetBulletStyle(bulletStyle);
+ attr.SetLeftIndent(leftIndent, leftSubIndent);
+ attr.SetBulletText(symbol);
+
+ return BeginStyle(attr);
+}
+
+/// Begin standard bullet
+bool wxRichTextBuffer::BeginStandardBullet(const wxString& bulletName, int leftIndent, int leftSubIndent, int bulletStyle)
+{
+ wxRichTextAttr attr;
+ attr.SetFlags(wxTEXT_ATTR_BULLET_STYLE|wxTEXT_ATTR_LEFT_INDENT);
+ attr.SetBulletStyle(bulletStyle);
+ attr.SetLeftIndent(leftIndent, leftSubIndent);
+ attr.SetBulletName(bulletName);
+
+ return BeginStyle(attr);
+}
+
+/// Begin named character style
+bool wxRichTextBuffer::BeginCharacterStyle(const wxString& characterStyle)
+{
+ if (GetStyleSheet())
+ {
+ wxRichTextCharacterStyleDefinition* def = GetStyleSheet()->FindCharacterStyle(characterStyle);
+ if (def)
+ {
+ wxRichTextAttr attr = def->GetStyleMergedWithBase(GetStyleSheet());
+ return BeginStyle(attr);
+ }
+ }
+ return false;
+}
+
+/// Begin named paragraph style
+bool wxRichTextBuffer::BeginParagraphStyle(const wxString& paragraphStyle)
+{
+ if (GetStyleSheet())
+ {
+ wxRichTextParagraphStyleDefinition* def = GetStyleSheet()->FindParagraphStyle(paragraphStyle);
+ if (def)
+ {
+ wxRichTextAttr attr = def->GetStyleMergedWithBase(GetStyleSheet());
+ return BeginStyle(attr);
+ }
+ }
+ return false;
+}
+
+/// Begin named list style
+bool wxRichTextBuffer::BeginListStyle(const wxString& listStyle, int level, int number)
+{
+ if (GetStyleSheet())
+ {
+ wxRichTextListStyleDefinition* def = GetStyleSheet()->FindListStyle(listStyle);
+ if (def)
+ {
+ wxRichTextAttr attr(def->GetCombinedStyleForLevel(level));
+
+ attr.SetBulletNumber(number);
+
+ return BeginStyle(attr);
+ }
+ }
+ return false;
+}
+
+/// Begin URL
+bool wxRichTextBuffer::BeginURL(const wxString& url, const wxString& characterStyle)
+{
+ wxRichTextAttr attr;
+
+ if (!characterStyle.IsEmpty() && GetStyleSheet())
+ {
+ wxRichTextCharacterStyleDefinition* def = GetStyleSheet()->FindCharacterStyle(characterStyle);
+ if (def)
+ {
+ attr = def->GetStyleMergedWithBase(GetStyleSheet());
+ }
+ }
+ attr.SetURL(url);
+
+ return BeginStyle(attr);
+}
+
+/// Adds a handler to the end
+void wxRichTextBuffer::AddHandler(wxRichTextFileHandler *handler)
+{
+ sm_handlers.Append(handler);
+}
+
+/// Inserts a handler at the front
+void wxRichTextBuffer::InsertHandler(wxRichTextFileHandler *handler)
+{
+ sm_handlers.Insert( handler );
+}
+
+/// Removes a handler
+bool wxRichTextBuffer::RemoveHandler(const wxString& name)
+{
+ wxRichTextFileHandler *handler = FindHandler(name);
+ if (handler)
+ {
+ sm_handlers.DeleteObject(handler);
+ delete handler;
+ return true;
+ }
+ else
+ return false;
+}
+
+/// Finds a handler by filename or, if supplied, type
+wxRichTextFileHandler *wxRichTextBuffer::FindHandlerFilenameOrType(const wxString& filename,
+ wxRichTextFileType imageType)
+{
+ if (imageType != wxRICHTEXT_TYPE_ANY)
+ return FindHandler(imageType);
+ else if (!filename.IsEmpty())
+ {
+ wxString path, file, ext;
+ wxFileName::SplitPath(filename, & path, & file, & ext);
+ return FindHandler(ext, imageType);
+ }
+ else
+ return NULL;
+}
+
+
+/// Finds a handler by name
+wxRichTextFileHandler* wxRichTextBuffer::FindHandler(const wxString& name)
+{
+ wxList::compatibility_iterator node = sm_handlers.GetFirst();
+ while (node)
+ {
+ wxRichTextFileHandler *handler = (wxRichTextFileHandler*)node->GetData();
+ if (handler->GetName().Lower() == name.Lower()) return handler;
+
+ node = node->GetNext();
+ }
+ return NULL;
+}
+
+/// Finds a handler by extension and type
+wxRichTextFileHandler* wxRichTextBuffer::FindHandler(const wxString& extension, wxRichTextFileType type)
+{
+ wxList::compatibility_iterator node = sm_handlers.GetFirst();
+ while (node)
+ {
+ wxRichTextFileHandler *handler = (wxRichTextFileHandler*)node->GetData();
+ if ( handler->GetExtension().Lower() == extension.Lower() &&
+ (type == wxRICHTEXT_TYPE_ANY || handler->GetType() == type) )
+ return handler;
+ node = node->GetNext();
+ }
+ return 0;
+}
+
+/// Finds a handler by type
+wxRichTextFileHandler* wxRichTextBuffer::FindHandler(wxRichTextFileType type)
+{
+ wxList::compatibility_iterator node = sm_handlers.GetFirst();
+ while (node)
+ {
+ wxRichTextFileHandler *handler = (wxRichTextFileHandler *)node->GetData();
+ if (handler->GetType() == type) return handler;
+ node = node->GetNext();
+ }
+ return NULL;
+}
+
+void wxRichTextBuffer::InitStandardHandlers()
+{
+ if (!FindHandler(wxRICHTEXT_TYPE_TEXT))
+ AddHandler(new wxRichTextPlainTextHandler);
+}
+
+void wxRichTextBuffer::CleanUpHandlers()
+{
+ wxList::compatibility_iterator node = sm_handlers.GetFirst();
+ while (node)
+ {
+ wxRichTextFileHandler* handler = (wxRichTextFileHandler*)node->GetData();
+ wxList::compatibility_iterator next = node->GetNext();
+ delete handler;
+ node = next;
+ }
+
+ sm_handlers.Clear();
+}
+
+wxString wxRichTextBuffer::GetExtWildcard(bool combine, bool save, wxArrayInt* types)
+{
+ if (types)
+ types->Clear();
+
+ wxString wildcard;
+
+ wxList::compatibility_iterator node = GetHandlers().GetFirst();
+ int count = 0;
+ while (node)
+ {
+ wxRichTextFileHandler* handler = (wxRichTextFileHandler*) node->GetData();
+ if (handler->IsVisible() && ((save && handler->CanSave()) || (!save && handler->CanLoad())))
+ {
+ if (combine)
+ {
+ if (count > 0)
+ wildcard += wxT(";");
+ wildcard += wxT("*.") + handler->GetExtension();
+ }
+ else
+ {
+ if (count > 0)
+ wildcard += wxT("|");
+ wildcard += handler->GetName();
+ wildcard += wxT(" ");
+ wildcard += _("files");
+ wildcard += wxT(" (*.");
+ wildcard += handler->GetExtension();
+ wildcard += wxT(")|*.");
+ wildcard += handler->GetExtension();
+ if (types)
+ types->Add(handler->GetType());
+ }
+ count ++;
+ }
+
+ node = node->GetNext();
+ }
+
+ if (combine)
+ wildcard = wxT("(") + wildcard + wxT(")|") + wildcard;
+ return wildcard;
+}
+
+#if wxUSE_FFILE && wxUSE_STREAMS
+/// Load a file
+bool wxRichTextBuffer::LoadFile(const wxString& filename, wxRichTextFileType type)
+{
+ wxRichTextFileHandler* handler = FindHandlerFilenameOrType(filename, type);
+ if (handler)
+ {
+ SetDefaultStyle(wxRichTextAttr());
+ handler->SetFlags(GetHandlerFlags());
+ bool success = handler->LoadFile(this, filename);
+ Invalidate(wxRICHTEXT_ALL);
+ return success;
+ }
+ else
+ return false;
+}
+
+/// Save a file
+bool wxRichTextBuffer::SaveFile(const wxString& filename, wxRichTextFileType type)
+{
+ wxRichTextFileHandler* handler = FindHandlerFilenameOrType(filename, type);
+ if (handler)
+ {
+ handler->SetFlags(GetHandlerFlags());
+ return handler->SaveFile(this, filename);
+ }
+ else
+ return false;
+}
+#endif // wxUSE_FFILE && wxUSE_STREAMS
+
+#if wxUSE_STREAMS
+/// Load from a stream
+bool wxRichTextBuffer::LoadFile(wxInputStream& stream, wxRichTextFileType type)
+{
+ wxRichTextFileHandler* handler = FindHandler(type);
+ if (handler)
+ {
+ SetDefaultStyle(wxRichTextAttr());
+ handler->SetFlags(GetHandlerFlags());
+ bool success = handler->LoadFile(this, stream);
+ Invalidate(wxRICHTEXT_ALL);
+ return success;
+ }
+ else
+ return false;
+}
+
+/// Save to a stream
+bool wxRichTextBuffer::SaveFile(wxOutputStream& stream, wxRichTextFileType type)
+{
+ wxRichTextFileHandler* handler = FindHandler(type);
+ if (handler)
+ {
+ handler->SetFlags(GetHandlerFlags());
+ return handler->SaveFile(this, stream);
+ }
+ else
+ return false;
+}
+#endif // wxUSE_STREAMS
+
+/// Copy the range to the clipboard
+bool wxRichTextBuffer::CopyToClipboard(const wxRichTextRange& range)
+{
+ bool success = false;
+ wxRichTextParagraphLayoutBox* container = this;
+ if (GetRichTextCtrl())
+ container = GetRichTextCtrl()->GetFocusObject();
+
+#if wxUSE_CLIPBOARD && wxUSE_DATAOBJ
+
+ if (!wxTheClipboard->IsOpened() && wxTheClipboard->Open())
+ {
+ wxTheClipboard->Clear();
+
+ // Add composite object
+
+ wxDataObjectComposite* compositeObject = new wxDataObjectComposite();
+
+ {
+ wxString text = container->GetTextForRange(range);
+
+#ifdef __WXMSW__
+ text = wxTextFile::Translate(text, wxTextFileType_Dos);
+#endif
+
+ compositeObject->Add(new wxTextDataObject(text), false /* not preferred */);
+ }
+
+ // Add rich text buffer data object. This needs the XML handler to be present.
+
+ if (FindHandler(wxRICHTEXT_TYPE_XML))
+ {
+ wxRichTextBuffer* richTextBuf = new wxRichTextBuffer;
+ container->CopyFragment(range, *richTextBuf);
+
+ compositeObject->Add(new wxRichTextBufferDataObject(richTextBuf), true /* preferred */);
+ }
+
+ if (wxTheClipboard->SetData(compositeObject))
+ success = true;
+
+ wxTheClipboard->Close();
+ }
+
+#else
+ wxUnusedVar(range);
+#endif
+ return success;
+}
+
+/// Paste the clipboard content to the buffer
+bool wxRichTextBuffer::PasteFromClipboard(long position)
+{
+ bool success = false;
+ wxRichTextParagraphLayoutBox* container = this;
+ if (GetRichTextCtrl())
+ container = GetRichTextCtrl()->GetFocusObject();
+
+#if wxUSE_CLIPBOARD && wxUSE_DATAOBJ
+ if (CanPasteFromClipboard())
+ {
+ if (wxTheClipboard->Open())
+ {
+ if (wxTheClipboard->IsSupported(wxDataFormat(wxRichTextBufferDataObject::GetRichTextBufferFormatId())))
+ {
+ wxRichTextBufferDataObject data;
+ wxTheClipboard->GetData(data);
+ wxRichTextBuffer* richTextBuffer = data.GetRichTextBuffer();
+ if (richTextBuffer)
+ {
+ container->InsertParagraphsWithUndo(this, position+1, *richTextBuffer, GetRichTextCtrl(), 0);
+ if (GetRichTextCtrl())
+ GetRichTextCtrl()->ShowPosition(position + richTextBuffer->GetOwnRange().GetEnd());
+ delete richTextBuffer;
+ }
+ }
+ else if (wxTheClipboard->IsSupported(wxDF_TEXT)
+ #if wxUSE_UNICODE
+ || wxTheClipboard->IsSupported(wxDF_UNICODETEXT)
+ #endif
+ )
+ {
+ wxTextDataObject data;
+ wxTheClipboard->GetData(data);
+ wxString text(data.GetText());
+#ifdef __WXMSW__
+ wxString text2;
+ text2.Alloc(text.Length()+1);
+ size_t i;
+ for (i = 0; i < text.Length(); i++)
+ {
+ wxChar ch = text[i];
+ if (ch != wxT('\r'))
+ text2 += ch;
+ }
+#else
+ wxString text2 = text;
+#endif
+ container->InsertTextWithUndo(this, position+1, text2, GetRichTextCtrl(), wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE);
+
+ if (GetRichTextCtrl())
+ GetRichTextCtrl()->ShowPosition(position + text2.Length());
+
+ success = true;
+ }
+ else if (wxTheClipboard->IsSupported(wxDF_BITMAP))
+ {
+ wxBitmapDataObject data;
+ wxTheClipboard->GetData(data);
+ wxBitmap bitmap(data.GetBitmap());
+ wxImage image(bitmap.ConvertToImage());
+
+ wxRichTextAction* action = new wxRichTextAction(NULL, _("Insert Image"), wxRICHTEXT_INSERT, this, container, GetRichTextCtrl(), false);
+
+ action->GetNewParagraphs().AddImage(image);
+
+ if (action->GetNewParagraphs().GetChildCount() == 1)
+ action->GetNewParagraphs().SetPartialParagraph(true);
+
+ action->SetPosition(position+1);
+
+ // Set the range we'll need to delete in Undo
+ action->SetRange(wxRichTextRange(position+1, position+1));
+
+ SubmitAction(action);
+
+ success = true;
+ }
+ wxTheClipboard->Close();
+ }
+ }
+#else
+ wxUnusedVar(position);
+#endif
+ return success;
+}
+
+/// Can we paste from the clipboard?
+bool wxRichTextBuffer::CanPasteFromClipboard() const
+{
+ bool canPaste = false;
+#if wxUSE_CLIPBOARD && wxUSE_DATAOBJ
+ if (!wxTheClipboard->IsOpened() && wxTheClipboard->Open())
+ {
+ if (wxTheClipboard->IsSupported(wxDF_TEXT)
+#if wxUSE_UNICODE
+ || wxTheClipboard->IsSupported(wxDF_UNICODETEXT)
+#endif
+ || wxTheClipboard->IsSupported(wxDataFormat(wxRichTextBufferDataObject::GetRichTextBufferFormatId())) ||
+ wxTheClipboard->IsSupported(wxDF_BITMAP))
+ {
+ canPaste = true;
+ }
+ wxTheClipboard->Close();
+ }
+#endif
+ return canPaste;
+}
+
+/// Dumps contents of buffer for debugging purposes
+void wxRichTextBuffer::Dump()
+{
+ wxString text;
+ {
+ wxStringOutputStream stream(& text);
+ wxTextOutputStream textStream(stream);
+ Dump(textStream);
+ }
+
+ wxLogDebug(text);
+}
+
+/// Add an event handler
+bool wxRichTextBuffer::AddEventHandler(wxEvtHandler* handler)
+{
+ m_eventHandlers.Append(handler);
+ return true;
+}
+
+/// Remove an event handler
+bool wxRichTextBuffer::RemoveEventHandler(wxEvtHandler* handler, bool deleteHandler)
+{
+ wxList::compatibility_iterator node = m_eventHandlers.Find(handler);
+ if (node)
+ {
+ m_eventHandlers.Erase(node);
+ if (deleteHandler)
+ delete handler;
+
+ return true;
+ }
+ else
+ return false;
+}
+
+/// Clear event handlers
+void wxRichTextBuffer::ClearEventHandlers()
+{
+ m_eventHandlers.Clear();
+}
+
+/// Send event to event handlers. If sendToAll is true, will send to all event handlers,
+/// otherwise will stop at the first successful one.
+bool wxRichTextBuffer::SendEvent(wxEvent& event, bool sendToAll)
+{
+ bool success = false;
+ for (wxList::compatibility_iterator node = m_eventHandlers.GetFirst(); node; node = node->GetNext())
+ {
+ wxEvtHandler* handler = (wxEvtHandler*) node->GetData();
+ if (handler->ProcessEvent(event))
+ {
+ success = true;
+ if (!sendToAll)
+ return true;
+ }
+ }
+ return success;
+}
+
+/// Set style sheet and notify of the change
+bool wxRichTextBuffer::SetStyleSheetAndNotify(wxRichTextStyleSheet* sheet)
+{
+ wxRichTextStyleSheet* oldSheet = GetStyleSheet();
+
+ wxWindowID winid = wxID_ANY;
+ if (GetRichTextCtrl())
+ winid = GetRichTextCtrl()->GetId();
+
+ wxRichTextEvent event(wxEVT_RICHTEXT_STYLESHEET_REPLACING, winid);
+ event.SetEventObject(GetRichTextCtrl());
+ event.SetContainer(GetRichTextCtrl()->GetFocusObject());
+ event.SetOldStyleSheet(oldSheet);
+ event.SetNewStyleSheet(sheet);
+ event.Allow();
+
+ if (SendEvent(event) && !event.IsAllowed())
+ {
+ if (sheet != oldSheet)
+ delete sheet;
+
+ return false;
+ }
+
+ if (oldSheet && oldSheet != sheet)
+ delete oldSheet;
+
+ SetStyleSheet(sheet);
+
+ event.SetEventType(wxEVT_RICHTEXT_STYLESHEET_REPLACED);
+ event.SetOldStyleSheet(NULL);
+ event.Allow();
+
+ return SendEvent(event);
+}
+
+/// Set renderer, deleting old one
+void wxRichTextBuffer::SetRenderer(wxRichTextRenderer* renderer)
+{
+ if (sm_renderer)
+ delete sm_renderer;
+ sm_renderer = renderer;
+}
+
+/// Hit-testing: returns a flag indicating hit test details, plus
+/// information about position
+int wxRichTextBuffer::HitTest(wxDC& dc, wxRichTextDrawingContext& context, const wxPoint& pt, long& textPosition, wxRichTextObject** obj, wxRichTextObject** contextObj, int flags)
+{
+ int ret = wxRichTextParagraphLayoutBox::HitTest(dc, context, pt, textPosition, obj, contextObj, flags);
+ if (ret != wxRICHTEXT_HITTEST_NONE)
+ {
+ return ret;
+ }
+ else
+ {
+ textPosition = m_ownRange.GetEnd()-1;
+ *obj = this;
+ *contextObj = this;
+ return wxRICHTEXT_HITTEST_AFTER|wxRICHTEXT_HITTEST_OUTSIDE;
+ }
+}
+
+void wxRichTextBuffer::SetFontScale(double fontScale)
+{
+ m_fontScale = fontScale;
+ m_fontTable.SetFontScale(fontScale);
+}
+
+void wxRichTextBuffer::SetDimensionScale(double dimScale)
+{
+ m_dimensionScale = dimScale;
+}
+
+bool wxRichTextStdRenderer::DrawStandardBullet(wxRichTextParagraph* paragraph, wxDC& dc, const wxRichTextAttr& bulletAttr, const wxRect& rect)
+{
+ if (bulletAttr.GetTextColour().IsOk())
+ {
+ wxCheckSetPen(dc, wxPen(bulletAttr.GetTextColour()));
+ wxCheckSetBrush(dc, wxBrush(bulletAttr.GetTextColour()));
+ }
+ else
+ {
+ wxCheckSetPen(dc, *wxBLACK_PEN);
+ wxCheckSetBrush(dc, *wxBLACK_BRUSH);
+ }
+
+ wxFont font;
+ if (bulletAttr.HasFont())
+ {
+ font = paragraph->GetBuffer()->GetFontTable().FindFont(bulletAttr);
+ }
+ else
+ font = (*wxNORMAL_FONT);
+
+ wxCheckSetFont(dc, font);
+
+ int charHeight = dc.GetCharHeight();
+
+ int bulletWidth = (int) (((float) charHeight) * wxRichTextBuffer::GetBulletProportion());
+ int bulletHeight = bulletWidth;
+
+ int x = rect.x;
+
+ // Calculate the top position of the character (as opposed to the whole line height)
+ int y = rect.y + (rect.height - charHeight);
+
+ // Calculate where the bullet should be positioned
+ y = y + (charHeight+1)/2 - (bulletHeight+1)/2;
+
+ // The margin between a bullet and text.
+ int margin = paragraph->ConvertTenthsMMToPixels(dc, wxRichTextBuffer::GetBulletRightMargin());
+
+ if (bulletAttr.GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_ALIGN_RIGHT)
+ x = rect.x + rect.width - bulletWidth - margin;
+ else if (bulletAttr.GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_ALIGN_CENTRE)
+ x = x + (rect.width)/2 - bulletWidth/2;
+
+ if (bulletAttr.GetBulletName() == wxT("standard/square"))
+ {
+ dc.DrawRectangle(x, y, bulletWidth, bulletHeight);
+ }
+ else if (bulletAttr.GetBulletName() == wxT("standard/diamond"))
+ {
+ wxPoint pts[5];
+ pts[0].x = x; pts[0].y = y + bulletHeight/2;
+ pts[1].x = x + bulletWidth/2; pts[1].y = y;
+ pts[2].x = x + bulletWidth; pts[2].y = y + bulletHeight/2;
+ pts[3].x = x + bulletWidth/2; pts[3].y = y + bulletHeight;
+
+ dc.DrawPolygon(4, pts);
+ }
+ else if (bulletAttr.GetBulletName() == wxT("standard/triangle"))
+ {
+ wxPoint pts[3];
+ pts[0].x = x; pts[0].y = y;
+ pts[1].x = x + bulletWidth; pts[1].y = y + bulletHeight/2;
+ pts[2].x = x; pts[2].y = y + bulletHeight;
+
+ dc.DrawPolygon(3, pts);
+ }
+ else if (bulletAttr.GetBulletName() == wxT("standard/circle-outline"))
+ {
+ wxCheckSetBrush(dc, *wxTRANSPARENT_BRUSH);
+ dc.DrawEllipse(x, y, bulletWidth, bulletHeight);
+ }
+ else // "standard/circle", and catch-all
+ {
+ dc.DrawEllipse(x, y, bulletWidth, bulletHeight);
+ }
+
+ return true;
+}
+
+bool wxRichTextStdRenderer::DrawTextBullet(wxRichTextParagraph* paragraph, wxDC& dc, const wxRichTextAttr& attr, const wxRect& rect, const wxString& text)
+{
+ if (!text.empty())
+ {
+ wxFont font;
+ if ((attr.GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_SYMBOL) && !attr.GetBulletFont().IsEmpty() && attr.HasFont())
+ {
+ wxRichTextAttr fontAttr;
+ if (attr.HasFontPixelSize())
+ fontAttr.SetFontPixelSize(attr.GetFontSize());
+ else
+ fontAttr.SetFontPointSize(attr.GetFontSize());
+ fontAttr.SetFontStyle(attr.GetFontStyle());
+ fontAttr.SetFontWeight(attr.GetFontWeight());
+ fontAttr.SetFontUnderlined(attr.GetFontUnderlined());
+ fontAttr.SetFontFaceName(attr.GetBulletFont());
+ font = paragraph->GetBuffer()->GetFontTable().FindFont(fontAttr);
+ }
+ else if (attr.HasFont())
+ font = paragraph->GetBuffer()->GetFontTable().FindFont(attr);
+ else
+ font = (*wxNORMAL_FONT);
+
+ wxCheckSetFont(dc, font);
+
+ if (attr.GetTextColour().IsOk())
+ dc.SetTextForeground(attr.GetTextColour());
+
+ dc.SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT);
+
+ int charHeight = dc.GetCharHeight();
+ wxCoord tw, th;
+ dc.GetTextExtent(text, & tw, & th);
+
+ int x = rect.x;
+
+ // Calculate the top position of the character (as opposed to the whole line height)
+ int y = rect.y + (rect.height - charHeight);
+
+ // The margin between a bullet and text.
+ int margin = paragraph->ConvertTenthsMMToPixels(dc, wxRichTextBuffer::GetBulletRightMargin());
+
+ if (attr.GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_ALIGN_RIGHT)
+ x = (rect.x + rect.width) - tw - margin;
+ else if (attr.GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_ALIGN_CENTRE)
+ x = x + (rect.width)/2 - tw/2;
+
+ dc.DrawText(text, x, y);
+
+ return true;
+ }
+ else
+ return false;
+}
+
+bool wxRichTextStdRenderer::DrawBitmapBullet(wxRichTextParagraph* WXUNUSED(paragraph), wxDC& WXUNUSED(dc), const wxRichTextAttr& WXUNUSED(attr), const wxRect& WXUNUSED(rect))
+{
+ // Currently unimplemented. The intention is to store bitmaps by name in a media store associated
+ // with the buffer. The store will allow retrieval from memory, disk or other means.
+ return false;
+}
+
+/// Enumerate the standard bullet names currently supported
+bool wxRichTextStdRenderer::EnumerateStandardBulletNames(wxArrayString& bulletNames)
+{
+ bulletNames.Add(wxTRANSLATE("standard/circle"));
+ bulletNames.Add(wxTRANSLATE("standard/circle-outline"));
+ bulletNames.Add(wxTRANSLATE("standard/square"));
+ bulletNames.Add(wxTRANSLATE("standard/diamond"));
+ bulletNames.Add(wxTRANSLATE("standard/triangle"));
+
+ return true;
+}
+
+/*!
+ * wxRichTextBox
+ */
+
+IMPLEMENT_DYNAMIC_CLASS(wxRichTextBox, wxRichTextParagraphLayoutBox)
+
+wxRichTextBox::wxRichTextBox(wxRichTextObject* parent):
+ wxRichTextParagraphLayoutBox(parent)
+{
+}
+
+/// Draw the item
+bool wxRichTextBox::Draw(wxDC& dc, wxRichTextDrawingContext& context, const wxRichTextRange& range, const wxRichTextSelection& selection, const wxRect& rect, int descent, int style)
+{
+ if (!IsShown())
+ return true;
+
+ // TODO: if the active object in the control, draw an indication.
+ // We need to add the concept of active object, and not just focus object,
+ // so we can apply commands (properties, delete, ...) to objects such as text boxes and images.
+ // Ultimately we would like to be able to interactively resize an active object
+ // using drag handles.
+ return wxRichTextParagraphLayoutBox::Draw(dc, context, range, selection, rect, descent, style);
+}
+
+/// Copy
+void wxRichTextBox::Copy(const wxRichTextBox& obj)
+{
+ wxRichTextParagraphLayoutBox::Copy(obj);
+}
+
+// Edit properties via a GUI
+bool wxRichTextBox::EditProperties(wxWindow* parent, wxRichTextBuffer* buffer)
+{
+ wxRichTextObjectPropertiesDialog boxDlg(this, wxGetTopLevelParent(parent), wxID_ANY, _("Box Properties"));
+ boxDlg.SetAttributes(GetAttributes());
+
+ if (boxDlg.ShowModal() == wxID_OK)
+ {
+ // By passing wxRICHTEXT_SETSTYLE_RESET, indeterminate attributes set by the user will be set as
+ // indeterminate in the object.
+ boxDlg.ApplyStyle(buffer->GetRichTextCtrl(), wxRICHTEXT_SETSTYLE_WITH_UNDO|wxRICHTEXT_SETSTYLE_RESET);
+ return true;
+ }
+ else
+ return false;
+}
+
+/*!
+ * wxRichTextField
+ */
+
+IMPLEMENT_DYNAMIC_CLASS(wxRichTextField, wxRichTextParagraphLayoutBox)
+
+wxRichTextField::wxRichTextField(const wxString& fieldType, wxRichTextObject* parent):
+ wxRichTextParagraphLayoutBox(parent)
+{
+ SetFieldType(fieldType);
+}
+
+/// Draw the item
+bool wxRichTextField::Draw(wxDC& dc, wxRichTextDrawingContext& context, const wxRichTextRange& range, const wxRichTextSelection& selection, const wxRect& rect, int descent, int style)
+{
+ if (!IsShown())
+ return true;
+
+ wxRichTextFieldType* fieldType = wxRichTextBuffer::FindFieldType(GetFieldType());
+ if (fieldType && fieldType->Draw(this, dc, context, range, selection, rect, descent, style))
+ return true;
+
+ // Fallback; but don't draw guidelines.
+ style &= ~wxRICHTEXT_DRAW_GUIDELINES;
+ return wxRichTextParagraphLayoutBox::Draw(dc, context, range, selection, rect, descent, style);
+}
+
+bool wxRichTextField::Layout(wxDC& dc, wxRichTextDrawingContext& context, const wxRect& rect, const wxRect& parentRect, int style)
+{
+ wxRichTextFieldType* fieldType = wxRichTextBuffer::FindFieldType(GetFieldType());
+ if (fieldType && fieldType->Layout(this, dc, context, rect, parentRect, style))
+ return true;
+
+ // Fallback
+ return wxRichTextParagraphLayoutBox::Layout(dc, context, rect, parentRect, style);
+}
+
+bool wxRichTextField::GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, wxRichTextDrawingContext& context, int flags, const wxPoint& position, const wxSize& parentSize, wxArrayInt* partialExtents) const
+{
+ wxRichTextFieldType* fieldType = wxRichTextBuffer::FindFieldType(GetFieldType());
+ if (fieldType)
+ return fieldType->GetRangeSize((wxRichTextField*) this, range, size, descent, dc, context, flags, position, parentSize, partialExtents);
+
+ return wxRichTextParagraphLayoutBox::GetRangeSize(range, size, descent, dc, context, flags, position, parentSize, partialExtents);
+}
+
+/// Calculate range
+void wxRichTextField::CalculateRange(long start, long& end)
+{
+ if (IsTopLevel())
+ wxRichTextParagraphLayoutBox::CalculateRange(start, end);
+ else
+ wxRichTextObject::CalculateRange(start, end);
+}
+
+/// Copy
+void wxRichTextField::Copy(const wxRichTextField& obj)
+{
+ wxRichTextParagraphLayoutBox::Copy(obj);
+
+ UpdateField(GetBuffer());
+}
+
+// Edit properties via a GUI
+bool wxRichTextField::EditProperties(wxWindow* parent, wxRichTextBuffer* buffer)
+{
+ wxRichTextFieldType* fieldType = wxRichTextBuffer::FindFieldType(GetFieldType());
+ if (fieldType)
+ return fieldType->EditProperties(this, parent, buffer);
+
+ return false;
+}
+
+bool wxRichTextField::CanEditProperties() const
+{
+ wxRichTextFieldType* fieldType = wxRichTextBuffer::FindFieldType(GetFieldType());
+ if (fieldType)
+ return fieldType->CanEditProperties((wxRichTextField*) this);
+
+ return false;
+}
+
+wxString wxRichTextField::GetPropertiesMenuLabel() const
+{
+ wxRichTextFieldType* fieldType = wxRichTextBuffer::FindFieldType(GetFieldType());
+ if (fieldType)
+ return fieldType->GetPropertiesMenuLabel((wxRichTextField*) this);
+
+ return wxEmptyString;
+}
+
+bool wxRichTextField::UpdateField(wxRichTextBuffer* buffer)
+{
+ wxRichTextFieldType* fieldType = wxRichTextBuffer::FindFieldType(GetFieldType());
+ if (fieldType)
+ return fieldType->UpdateField(buffer, (wxRichTextField*) this);
+
+ return false;
+}
+
+bool wxRichTextField::IsTopLevel() const
+{
+ wxRichTextFieldType* fieldType = wxRichTextBuffer::FindFieldType(GetFieldType());
+ if (fieldType)
+ return fieldType->IsTopLevel((wxRichTextField*) this);
+
+ return true;
+}
+
+IMPLEMENT_CLASS(wxRichTextFieldType, wxObject)
+
+IMPLEMENT_CLASS(wxRichTextFieldTypeStandard, wxRichTextFieldType)
+
+wxRichTextFieldTypeStandard::wxRichTextFieldTypeStandard(const wxString& name, const wxString& label, int displayStyle)
+{
+ Init();
+
+ SetName(name);
+ SetLabel(label);
+ SetDisplayStyle(displayStyle);
+}
+
+wxRichTextFieldTypeStandard::wxRichTextFieldTypeStandard(const wxString& name, const wxBitmap& bitmap, int displayStyle)
+{
+ Init();
+
+ SetName(name);
+ SetBitmap(bitmap);
+ SetDisplayStyle(displayStyle);
+}
+
+void wxRichTextFieldTypeStandard::Init()
+{
+ m_displayStyle = wxRICHTEXT_FIELD_STYLE_RECTANGLE;
+ m_font = wxFont(6, wxFONTFAMILY_SWISS, wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL);
+ m_textColour = *wxWHITE;
+ m_borderColour = *wxBLACK;
+ m_backgroundColour = *wxBLACK;
+ m_verticalPadding = 1;
+ m_horizontalPadding = 3;
+ m_horizontalMargin = 2;
+ m_verticalMargin = 0;
+}
+
+void wxRichTextFieldTypeStandard::Copy(const wxRichTextFieldTypeStandard& field)
+{
+ wxRichTextFieldType::Copy(field);
+
+ m_label = field.m_label;
+ m_displayStyle = field.m_displayStyle;
+ m_font = field.m_font;
+ m_textColour = field.m_textColour;
+ m_borderColour = field.m_borderColour;
+ m_backgroundColour = field.m_backgroundColour;
+ m_verticalPadding = field.m_verticalPadding;
+ m_horizontalPadding = field.m_horizontalPadding;
+ m_horizontalMargin = field.m_horizontalMargin;
+ m_bitmap = field.m_bitmap;
+}
+
+bool wxRichTextFieldTypeStandard::Draw(wxRichTextField* obj, wxDC& dc, wxRichTextDrawingContext& WXUNUSED(context), const wxRichTextRange& WXUNUSED(range), const wxRichTextSelection& selection, const wxRect& rect, int descent, int WXUNUSED(style))
+{
+ if (m_displayStyle == wxRICHTEXT_FIELD_STYLE_COMPOSITE)
+ return false; // USe default composite drawing
+ else // if (m_displayStyle == wxRICHTEXT_FIELD_STYLE_RECTANGLE || m_displayStyle == wxRICHTEXT_FIELD_STYLE_NOBORDER)
+ {
+ int borderSize = 1;
+
+ wxPen borderPen(m_borderColour, 1, wxSOLID);
+ wxBrush backgroundBrush(m_backgroundColour);
+ wxColour textColour(m_textColour);
+
+ if (selection.WithinSelection(obj->GetRange().GetStart(), obj))
+ {
+ wxColour highlightColour(wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT));
+ wxColour highlightTextColour(wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT));
+
+ borderPen = wxPen(highlightTextColour, 1, wxSOLID);
+ backgroundBrush = wxBrush(highlightColour);
+
+ wxCheckSetBrush(dc, backgroundBrush);
+ wxCheckSetPen(dc, wxPen(highlightColour, 1, wxSOLID));
+ dc.DrawRectangle(rect);
+ }
+
+ if (m_displayStyle != wxRICHTEXT_FIELD_STYLE_NO_BORDER)
+ borderSize = 0;
+
+ // objectRect is the area where the content is drawn, after margins around it have been taken into account
+ wxRect objectRect = wxRect(wxPoint(rect.x + m_horizontalMargin, rect.y + wxMax(0, rect.height - descent - obj->GetCachedSize().y)),
+ wxSize(obj->GetCachedSize().x - 2*m_horizontalMargin - borderSize, obj->GetCachedSize().y));
+
+ // clientArea is where the text is actually written
+ wxRect clientArea = objectRect;
+
+ if (m_displayStyle == wxRICHTEXT_FIELD_STYLE_RECTANGLE)
+ {
+ dc.SetPen(borderPen);
+ dc.SetBrush(backgroundBrush);
+ dc.DrawRoundedRectangle(objectRect, 4.0);
+ }
+ else if (m_displayStyle == wxRICHTEXT_FIELD_STYLE_START_TAG)
+ {
+ int arrowLength = objectRect.height/2;
+ clientArea.width -= (arrowLength - m_horizontalPadding);
+
+ wxPoint pts[5];
+ pts[0].x = objectRect.x; pts[0].y = objectRect.y;
+ pts[1].x = objectRect.x + objectRect.width - arrowLength; pts[1].y = objectRect.y;
+ pts[2].x = objectRect.x + objectRect.width; pts[2].y = objectRect.y + (objectRect.height/2);
+ pts[3].x = objectRect.x + objectRect.width - arrowLength; pts[3].y = objectRect.y + objectRect.height;
+ pts[4].x = objectRect.x; pts[4].y = objectRect.y + objectRect.height;
+ dc.SetPen(borderPen);
+ dc.SetBrush(backgroundBrush);
+ dc.DrawPolygon(5, pts);
+ }
+ else if (m_displayStyle == wxRICHTEXT_FIELD_STYLE_END_TAG)
+ {
+ int arrowLength = objectRect.height/2;
+ clientArea.width -= (arrowLength - m_horizontalPadding);
+ clientArea.x += (arrowLength - m_horizontalPadding);
+
+ wxPoint pts[5];
+ pts[0].x = objectRect.x + objectRect.width; pts[0].y = objectRect.y;
+ pts[1].x = objectRect.x + arrowLength; pts[1].y = objectRect.y;
+ pts[2].x = objectRect.x; pts[2].y = objectRect.y + (objectRect.height/2);
+ pts[3].x = objectRect.x + arrowLength; pts[3].y = objectRect.y + objectRect.height;
+ pts[4].x = objectRect.x + objectRect.width; pts[4].y = objectRect.y + objectRect.height;
+ dc.SetPen(borderPen);
+ dc.SetBrush(backgroundBrush);
+ dc.DrawPolygon(5, pts);
+ }
+
+ if (m_bitmap.IsOk())
+ {
+ int x = clientArea.x + (clientArea.width - m_bitmap.GetWidth())/2;
+ int y = clientArea.y + m_verticalPadding;
+ dc.DrawBitmap(m_bitmap, x, y, true);
+
+ if (selection.WithinSelection(obj->GetRange().GetStart(), obj))
+ {
+ wxCheckSetBrush(dc, *wxBLACK_BRUSH);
+ wxCheckSetPen(dc, *wxBLACK_PEN);
+ dc.SetLogicalFunction(wxINVERT);
+ dc.DrawRectangle(wxRect(x, y, m_bitmap.GetWidth(), m_bitmap.GetHeight()));
+ dc.SetLogicalFunction(wxCOPY);
+ }
+ }
+ else
+ {
+ wxString label(m_label);
+ if (label.IsEmpty())
+ label = wxT("??");
+ int w, h, maxDescent;
+ dc.SetFont(m_font);
+ dc.GetTextExtent(m_label, & w, &h, & maxDescent);
+ dc.SetTextForeground(textColour);
+
+ int x = clientArea.x + (clientArea.width - w)/2;
+ int y = clientArea.y + (clientArea.height - (h - maxDescent))/2;
+ dc.DrawText(m_label, x, y);
+ }
+ }
+
+ return true;
+}
+
+bool wxRichTextFieldTypeStandard::Layout(wxRichTextField* obj, wxDC& dc, wxRichTextDrawingContext& context, const wxRect& WXUNUSED(rect), const wxRect& WXUNUSED(parentRect), int style)
+{
+ if (m_displayStyle == wxRICHTEXT_FIELD_STYLE_COMPOSITE)
+ return false; // USe default composite layout
+
+ wxSize size = GetSize(obj, dc, context, style);
+ obj->SetCachedSize(size);
+ obj->SetMinSize(size);
+ obj->SetMaxSize(size);
+ return true;
+}
+
+bool wxRichTextFieldTypeStandard::GetRangeSize(wxRichTextField* obj, const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, wxRichTextDrawingContext& context, int flags, const wxPoint& position, const wxSize& parentSize, wxArrayInt* partialExtents) const
+{
+ if (IsTopLevel(obj))
+ return obj->wxRichTextParagraphLayoutBox::GetRangeSize(range, size, descent, dc, context, flags, position, parentSize);
+ else
+ {
+ wxSize sz = GetSize(obj, dc, context, 0);
+ if (partialExtents)
+ {
+ int lastSize;
+ if (partialExtents->GetCount() > 0)
+ lastSize = (*partialExtents)[partialExtents->GetCount()-1];
+ else
+ lastSize = 0;
+ partialExtents->Add(lastSize + sz.x);
+ }
+ size = sz;
+ return true;
+ }
+}
+
+wxSize wxRichTextFieldTypeStandard::GetSize(wxRichTextField* WXUNUSED(obj), wxDC& dc, wxRichTextDrawingContext& WXUNUSED(context), int WXUNUSED(style)) const
+{
+ int borderSize = 1;
+ int w = 0, h = 0, maxDescent = 0;
+
+ wxSize sz;
+ if (m_bitmap.IsOk())
+ {
+ w = m_bitmap.GetWidth();
+ h = m_bitmap.GetHeight();
+
+ sz = wxSize(w + m_horizontalMargin*2, h + m_verticalMargin*2);
+ }
+ else
+ {
+ wxString label(m_label);
+ if (label.IsEmpty())
+ label = wxT("??");
+ dc.SetFont(m_font);
+ dc.GetTextExtent(label, & w, &h, & maxDescent);
+
+ sz = wxSize(w + m_horizontalPadding*2 + m_horizontalMargin*2, h + m_verticalPadding *2 + m_verticalMargin*2);
+ }
+
+ if (m_displayStyle != wxRICHTEXT_FIELD_STYLE_NO_BORDER)
+ {
+ sz.x += borderSize*2;
+ sz.y += borderSize*2;
+ }
+
+ if (m_displayStyle == wxRICHTEXT_FIELD_STYLE_START_TAG || m_displayStyle == wxRICHTEXT_FIELD_STYLE_END_TAG)
+ {
+ // Add space for the arrow
+ sz.x += (sz.y/2 - m_horizontalPadding);
+ }
+
+ return sz;
+}
+
+IMPLEMENT_DYNAMIC_CLASS(wxRichTextCell, wxRichTextBox)
+
+wxRichTextCell::wxRichTextCell(wxRichTextObject* parent):
+ wxRichTextBox(parent)
+{
+}
+
+/// Draw the item
+bool wxRichTextCell::Draw(wxDC& dc, wxRichTextDrawingContext& context, const wxRichTextRange& range, const wxRichTextSelection& selection, const wxRect& rect, int descent, int style)
+{
+ return wxRichTextBox::Draw(dc, context, range, selection, rect, descent, style);
+}
+
+int wxRichTextCell::HitTest(wxDC& dc, wxRichTextDrawingContext& context, const wxPoint& pt, long& textPosition, wxRichTextObject** obj, wxRichTextObject** contextObj, int flags)
+{
+ int ret = wxRichTextParagraphLayoutBox::HitTest(dc, context, pt, textPosition, obj, contextObj, flags);
+ if (ret != wxRICHTEXT_HITTEST_NONE)
+ {
+ return ret;
+ }
+ else
+ {
+ textPosition = m_ownRange.GetEnd()-1;
+ *obj = this;
+ *contextObj = this;
+ return wxRICHTEXT_HITTEST_AFTER|wxRICHTEXT_HITTEST_OUTSIDE;
+ }
+}
+
+/// Copy
+void wxRichTextCell::Copy(const wxRichTextCell& obj)
+{
+ wxRichTextBox::Copy(obj);
+}
+
+// Edit properties via a GUI
+bool wxRichTextCell::EditProperties(wxWindow* parent, wxRichTextBuffer* buffer)
+{
+ // We need to gather common attributes for all selected cells.
+
+ wxRichTextTable* table = wxDynamicCast(GetParent(), wxRichTextTable);
+ bool multipleCells = false;
+ wxRichTextAttr attr;
+
+ if (table && buffer && buffer->GetRichTextCtrl() && buffer->GetRichTextCtrl()->GetSelection().IsValid() &&
+ buffer->GetRichTextCtrl()->GetSelection().GetContainer() == GetParent())
+ {
+ wxRichTextAttr clashingAttr, absentAttr;
+ const wxRichTextSelection& sel = buffer->GetRichTextCtrl()->GetSelection();
+ size_t i;
+ int selectedCellCount = 0;
+ for (i = 0; i < sel.GetCount(); i++)
+ {
+ const wxRichTextRange& range = sel[i];
+ wxRichTextCell* cell = table->GetCell(range.GetStart());
+ if (cell)
+ {
+ wxRichTextAttr cellStyle = cell->GetAttributes();
+
+ CollectStyle(attr, cellStyle, clashingAttr, absentAttr);
+
+ selectedCellCount ++;
+ }
+ }
+ multipleCells = selectedCellCount > 1;
+ }
+ else
+ {
+ attr = GetAttributes();
+ }
+
+ wxString caption;
+ if (multipleCells)
+ caption = _("Multiple Cell Properties");
+ else
+ caption = _("Cell Properties");
+
+ // We don't want position and floating controls for a cell.
+ wxRichTextSizePage::ShowPositionControls(false);
+ wxRichTextSizePage::ShowFloatingControls(false);
+ wxRichTextSizePage::ShowAlignmentControls(true);
+
+ wxRichTextObjectPropertiesDialog cellDlg(this, wxGetTopLevelParent(parent), wxID_ANY, caption);
+ cellDlg.SetAttributes(attr);
+
+ bool ok = (cellDlg.ShowModal() == wxID_OK);
+
+ wxRichTextSizePage::ShowPositionControls(true);
+ wxRichTextSizePage::ShowFloatingControls(true);
+
+ if (ok)
+ {
+ if (multipleCells)
+ {
+ const wxRichTextSelection& sel = buffer->GetRichTextCtrl()->GetSelection();
+ // Apply the style; we interpret indeterminate attributes as 'don't touch this attribute'
+ // since it may represent clashing attributes across multiple objects.
+ table->SetCellStyle(sel, attr);
+ }
+ else
+ // For a single object, indeterminate attributes set by the user should be reflected in the
+ // actual object style, so pass the wxRICHTEXT_SETSTYLE_RESET flag to assign
+ // the style directly instead of applying (which ignores indeterminate attributes,
+ // leaving them as they were).
+ cellDlg.ApplyStyle(buffer->GetRichTextCtrl(), wxRICHTEXT_SETSTYLE_WITH_UNDO|wxRICHTEXT_SETSTYLE_RESET);
+ return true;
+ }
+ else
+ return false;
+}
+
+// The next 2 methods return span values. Note that the default is 1, not 0
+int wxRichTextCell::GetColspan() const
+{
+ int span = 1;
+ if (GetProperties().HasProperty(wxT("colspan")))
+ {
+ span = GetProperties().GetPropertyLong(wxT("colspan"));
+ }
+
+ return span;
+}
+
+int wxRichTextCell::GetRowspan() const
+{
+ int span = 1;
+ if (GetProperties().HasProperty(wxT("rowspan")))
+ {
+ span = GetProperties().GetPropertyLong(wxT("rowspan"));
+ }
+
+ return span;
+}
+
+WX_DEFINE_OBJARRAY(wxRichTextObjectPtrArrayArray)
+
+IMPLEMENT_DYNAMIC_CLASS(wxRichTextTable, wxRichTextBox)
+
+wxRichTextTable::wxRichTextTable(wxRichTextObject* parent): wxRichTextBox(parent)
+{
+ m_rowCount = 0;
+ m_colCount = 0;
+}
+
+// Draws the object.
+bool wxRichTextTable::Draw(wxDC& dc, wxRichTextDrawingContext& context, const wxRichTextRange& range, const wxRichTextSelection& selection, const wxRect& rect, int descent, int style)
+{
+ wxRichTextBox::Draw(dc, context, range, selection, rect, descent, style);
+
+ int colCount = GetColumnCount();
+ int rowCount = GetRowCount();
+ int col, row;
+ for (col = 0; col < colCount; col++)
+ {
+ for (row = 0; row < rowCount; row++)
+ {
+ if (row == 0 || row == (rowCount-1) || col == 0 || col == (colCount-1))
+ {
+ wxRichTextCell* cell = GetCell(row, col);
+ if (cell && cell->IsShown() && !cell->GetRange().IsOutside(range))
+ {
+ wxRect childRect(cell->GetPosition(), cell->GetCachedSize());
+ wxRichTextAttr attr(cell->GetAttributes());
+ if (row != 0)
+ attr.GetTextBoxAttr().GetBorder().GetTop().Reset();
+ if (row != (rowCount-1))
+ attr.GetTextBoxAttr().GetBorder().GetBottom().Reset();
+ if (col != 0)
+ attr.GetTextBoxAttr().GetBorder().GetLeft().Reset();
+ if (col != (colCount-1))
+ attr.GetTextBoxAttr().GetBorder().GetRight().Reset();
+
+ if (attr.GetTextBoxAttr().GetBorder().IsValid())
+ {
+ wxRect boxRect(cell->GetPosition(), cell->GetCachedSize());
+ wxRect marginRect = boxRect;
+ wxRect contentRect, borderRect, paddingRect, outlineRect;
+
+ cell->GetBoxRects(dc, GetBuffer(), attr, marginRect, borderRect, contentRect, paddingRect, outlineRect);
+ cell->DrawBorder(dc, GetBuffer(), attr.GetTextBoxAttr().GetBorder(), borderRect);
+ }
+ }
+ }
+ }
+ }
+
+ return true;
+}
+
+ // Helper function for Layout() that clears the space needed by a cell with rowspan > 1
+int GetRowspanDisplacement(const wxRichTextTable* table, int row, int col, int paddingX, const wxArrayInt& colWidths)
+{
+ // If one or more cells above-left of this one has rowspan > 1, the affected cells below it
+ // will have been hidden and have width 0. As a result they are ignored by the layout algorithm,
+ // and all cells to their right are effectively shifted left. As a result there's no hole for
+ // the spanning cell to fill.
+ // So search back along the current row for hidden cells. However there's also the annoying issue of a
+ // rowspanning cell that also has colspam. So we can't rely on the rowspanning cell being directly above
+ // the first hidden one we come to. We also can't rely on a cell being hidden only by one type of span;
+ // there's nothing to stop a cell being hidden by colspan, and then again hidden from above by rowspan.
+ // The answer is to look above each hidden cell in turn, which I think covers all bases.
+ int deltaX = 0;
+ for (int prevcol = 0; prevcol < col; ++prevcol)
+ {
+ if (!table->GetCell(row, prevcol)->IsShown())
+ {
+ // We've found a hidden cell. If it's hidden because of colspan to its left, it's
+ // already been taken into account; but not if there's a rowspanning cell above
+ for (int prevrow = row-1; prevrow >= 0; --prevrow)
+ {
+ wxRichTextCell* cell = table->GetCell(prevrow, prevcol);
+ if (cell && cell->IsShown())
+ {
+ int rowSpan = cell->GetRowspan();
+ if (rowSpan > 1 && rowSpan > (row-prevrow))
+ {
+ // There is a rowspanning cell above above the hidden one, so we need
+ // to right-shift the index cell by this column's width. Furthermore,
+ // if the cell also colspans, we need to shift by all affected columns
+ for (int colSpan = 0; colSpan < cell->GetColspan(); ++colSpan)
+ deltaX += (colWidths[prevcol+colSpan] + paddingX);
+ break;
+ }
+ }
+ }
+ }
+ }
+ return deltaX;
+}
+
+ // Helper function for Layout() that expands any cell with rowspan > 1
+void ExpandCellsWithRowspan(const wxRichTextTable* table, int paddingY, int& bottomY, wxDC& dc, wxRichTextDrawingContext& context, const wxRect& availableSpace, int style)
+{
+ // This is called when the table's cell layout is otherwise complete.
+ // For any cell with rowspan > 1, expand downwards into the row(s) below.
+
+ // Start by finding the current 'y' of the top of each row, plus the bottom of the available area for cells.
+ // Deduce this from the top of a visible cell in the row below. (If none are visible, the row will be invisible anyway and can be ignored.)
+ const int rowCount = table->GetRowCount();
+ const int colCount = table->GetColumnCount();
+ wxArrayInt rowTops;
+ rowTops.Add(0, rowCount+1);
+ int row;
+ for (row = 0; row < rowCount; ++row)
+ {
+ for (int column = 0; column < colCount; ++column)
+ {
+ wxRichTextCell* cell = table->GetCell(row, column);
+ if (cell && cell->IsShown())
+ {
+ rowTops[row] = cell->GetPosition().y;
+ break;
+ }
+ }
+ }
+ rowTops[rowCount] = bottomY + paddingY; // The table bottom, which was passed to us
+
+ bool needsRelay = false;
+
+ for (row = 0; row < rowCount-1; ++row) // -1 as the bottom row can't rowspan
+ {
+ for (int col = 0; col < colCount; ++col)
+ {
+ wxRichTextCell* cell = table->GetCell(row, col);
+ if (cell && cell->IsShown())
+ {
+ int span = cell->GetRowspan();
+ if (span > 1)
+ {
+ span = wxMin(span, rowCount-row); // Don't try to span below the table!
+ if (span < 2)
+ continue;
+
+ int availableHeight = rowTops[row+span] - rowTops[row] - paddingY;
+ wxSize newSize = wxSize(cell->GetCachedSize().GetWidth(), availableHeight);
+ wxRect availableCellSpace = wxRect(cell->GetPosition(), newSize);
+ cell->Invalidate(wxRICHTEXT_ALL);
+ cell->Layout(dc, context, availableCellSpace, availableSpace, style);
+ // Ensure there's room in the span to display its contents, else it'll overwrite lower rows
+ int overhang = cell->GetCachedSize().GetHeight() - availableHeight;
+ cell->SetCachedSize(newSize);
+
+ if (overhang > 0)
+ {
+ // There are 3 things to get right:
+ // 1) The easiest is the rows below the span: they need to be downshifted by the overhang, and so does the table bottom itself
+ // 2) The rows within the span, including the one holding this cell, need to be deepened by their share of the overhang
+ // e.g. if rowspan == 3, each row should increase in depth by 1/3rd of the overhang.
+ // 3) The cell with the rowspan shouldn't be touched in 2); its height will be set to the whole span later.
+ int deltaY = overhang / span;
+ int spare = overhang % span;
+
+ // Each row in the span needs to by deepened by its share of the overhang (give the first row any spare).
+ // This is achieved by increasing the value stored in the following row's rowTops
+ for (int spannedRows = 0; spannedRows < span; ++spannedRows)
+ {
+ rowTops[row+spannedRows+1] += ((deltaY * (spannedRows+1)) + (spannedRows == 0 ? spare:0));
+ }
+
+ // Any rows below the span need shifting down
+ for (int rowsBelow = row + span+1; rowsBelow <= rowCount; ++rowsBelow)
+ {
+ rowTops[rowsBelow] += overhang;
+ }
+
+ needsRelay = true;
+ }
+ }
+ }
+ }
+ }
+
+ if (!needsRelay)
+ return;
+
+ // There were overflowing rowspanning cells, so layout yet again to make the increased row depths show
+ for (row = 0; row < rowCount; ++row)
+ {
+ for (int col = 0; col < colCount; ++col)
+ {
+ wxRichTextCell* cell = table->GetCell(row, col);
+ if (cell && cell->IsShown())
+ {
+ wxPoint position(cell->GetPosition().x, rowTops[row]);
+
+ // GetRowspan() will usually return 1, but may be greater
+ wxSize size(cell->GetCachedSize().GetWidth(), rowTops[row + cell->GetRowspan()] - rowTops[row] - paddingY);
+
+ wxRect availableCellSpace = wxRect(position, size);
+ cell->Invalidate(wxRICHTEXT_ALL);
+ cell->Layout(dc, context, availableCellSpace, availableSpace, style);
+ cell->SetCachedSize(size);
+ }
+ }
+
+ bottomY = rowTops[rowCount] - paddingY;
+ }
+}
+
+// Lays the object out. rect is the space available for layout. Often it will
+// be the specified overall space for this object, if trying to constrain
+// layout to a particular size, or it could be the total space available in the
+// parent. rect is the overall size, so we must subtract margins and padding.
+// to get the actual available space.
+bool wxRichTextTable::Layout(wxDC& dc, wxRichTextDrawingContext& context, const wxRect& rect, const wxRect& WXUNUSED(parentRect), int style)
+{
+ SetPosition(rect.GetPosition());
+
+ // The meaty bit. Calculate sizes of all cells and rows. Try to use
+ // minimum size if within alloted size, then divide up remaining size
+ // between rows/cols.
+
+ double scale = 1.0;
+ wxRichTextBuffer* buffer = GetBuffer();
+ if (buffer) scale = buffer->GetScale();
+
+ wxRect availableSpace = GetAvailableContentArea(dc, context, rect);
+ wxTextAttrDimensionConverter converter(dc, scale, availableSpace.GetSize());
+
+ wxRichTextAttr attr(GetAttributes());
+ context.ApplyVirtualAttributes(attr, this);
+
+ bool tableHasPercentWidth = (attr.GetTextBoxAttr().GetWidth().GetUnits() == wxTEXT_ATTR_UNITS_PERCENTAGE);
+ // If we have no fixed table size, and assuming we're not pushed for
+ // space, then we don't have to try to stretch the table to fit the contents.
+ bool stretchToFitTableWidth = tableHasPercentWidth;
+
+ int tableWidth = rect.width;
+ if (attr.GetTextBoxAttr().GetWidth().IsValid() && !tableHasPercentWidth)
+ {
+ tableWidth = converter.GetPixels(attr.GetTextBoxAttr().GetWidth());
+
+ // Fixed table width, so we do want to stretch columns out if necessary.
+ stretchToFitTableWidth = true;
+
+ // Shouldn't be able to exceed the size passed to this function
+ tableWidth = wxMin(rect.width, tableWidth);
+ }
+
+ // Get internal padding
+ int paddingLeft = 0, paddingTop = 0;
+ if (attr.GetTextBoxAttr().GetPadding().GetLeft().IsValid())
+ paddingLeft = converter.GetPixels(attr.GetTextBoxAttr().GetPadding().GetLeft());
+ if (attr.GetTextBoxAttr().GetPadding().GetTop().IsValid())
+ paddingTop = converter.GetPixels(attr.GetTextBoxAttr().GetPadding().GetTop());
+
+ // Assume that left and top padding are also used for inter-cell padding.
+ int paddingX = paddingLeft;
+ int paddingY = paddingTop;
+
+ int totalLeftMargin = 0, totalRightMargin = 0, totalTopMargin = 0, totalBottomMargin = 0;
+ GetTotalMargin(dc, buffer, attr, totalLeftMargin, totalRightMargin, totalTopMargin, totalBottomMargin);
+
+ // Internal table width - the area for content
+ int internalTableWidth = tableWidth - totalLeftMargin - totalRightMargin;
+
+ int rowCount = m_cells.GetCount();
+ if (m_colCount == 0 || rowCount == 0)
+ {
+ wxRect overallRect(rect.x, rect.y, totalLeftMargin + totalRightMargin, totalTopMargin + totalBottomMargin);
+ SetCachedSize(overallRect.GetSize());
+
+ // Zero content size
+ SetMinSize(overallRect.GetSize());
+ SetMaxSize(GetMinSize());
+ return true;
+ }
+
+ // The final calculated widths
+ wxArrayInt colWidths;
+ colWidths.Add(0, m_colCount);
+
+ wxArrayInt absoluteColWidths;
+ absoluteColWidths.Add(0, m_colCount);
+
+ wxArrayInt percentageColWidths;
+ percentageColWidths.Add(0, m_colCount);
+ // wxArrayInt percentageColWidthsSpanning(m_colCount);
+ // These are only relevant when the first column contains spanning information.
+ // wxArrayInt columnSpans(m_colCount); // Each contains 1 for non-spanning cell, > 1 for spanning cell.
+ wxArrayInt maxColWidths;
+ maxColWidths.Add(0, m_colCount);
+ wxArrayInt minColWidths;
+ minColWidths.Add(0, m_colCount);
+
+ wxSize tableSize(tableWidth, 0);
+
+ int i, j, k;
+
+ for (i = 0; i < m_colCount; i++)
+ {
+ absoluteColWidths[i] = 0;
+ // absoluteColWidthsSpanning[i] = 0;
+ percentageColWidths[i] = -1;
+ // percentageColWidthsSpanning[i] = -1;
+ colWidths[i] = 0;
+ maxColWidths[i] = 0;
+ minColWidths[i] = 0;
+ // columnSpans[i] = 1;
+ }
+
+ // (0) Determine which cells are visible according to spans
+ // 1 2 3 4 5
+ // __________________
+ // | | | | | 1
+ // |------| |----|
+ // |------| | | 2
+ // |------| | | 3
+ // |------------------|
+ // |__________________| 4
+
+ // To calculate cell visibility:
+ // First find all spanning cells. Build an array of span records with start x, y and end x, y.
+ // Then for each cell, test whether we're within one of those cells, and unless we're at the start of
+ // that cell, hide the cell.
+
+ // We can also use this array to match the size of spanning cells to the grid. Or just do
+ // this when we iterate through all cells.
+
+ // 0.1: add spanning cells to an array
+ wxRichTextRectArray rectArray;
+ for (j = 0; j < m_rowCount; j++)
+ {
+ for (i = 0; i < m_colCount; i++)
+ {
+ wxRichTextCell* cell = GetCell(j, i);
+ int colSpan = cell->GetColspan();
+ int rowSpan = cell->GetRowspan();
+ if (colSpan > 1 || rowSpan > 1)
+ {
+ rectArray.Add(wxRect(i, j, colSpan, rowSpan));
+ }
+ }
+ }
+ // 0.2: find which cells are subsumed by a spanning cell
+ for (j = 0; j < m_rowCount; j++)
+ {
+ for (i = 0; i < m_colCount; i++)
+ {
+ wxRichTextCell* cell = GetCell(j, i);
+ if (rectArray.GetCount() == 0)
+ {
+ cell->Show(true);
+ }
+ else
+ {
+ int colSpan = cell->GetColspan();
+ int rowSpan = cell->GetRowspan();
+
+ if (colSpan > 1 || rowSpan > 1)
+ {
+ // Assume all spanning cells are shown
+ cell->Show(true);
+ }
+ else
+ {
+ bool shown = true;
+ for (k = 0; k < (int) rectArray.GetCount(); k++)
+ {
+ if (rectArray[k].Contains(wxPoint(i, j)))
+ {
+ shown = false;
+ break;
+ }
+ }
+ cell->Show(shown);
+ }
+ }
+ }
+ }
+
+ // Find the first spanned cell in each row that spans the most columns and doesn't
+ // overlap with a spanned cell starting at a previous column position.
+ // This means we need to keep an array of rects so we can check. However
+ // it does also mean that some spans simply may not be taken into account
+ // where there are different spans happening on different rows. In these cases,
+ // they will simply be as wide as their constituent columns.
+
+ // (1) Do an initial layout for all cells to get minimum and maximum size, and get
+ // the absolute or percentage width of each column.
+
+ for (j = 0; j < m_rowCount; j++)
+ {
+ // First get the overall margins so we can calculate percentage widths based on
+ // the available content space for all cells on the row
+
+ int overallRowContentMargin = 0;
+ int visibleCellCount = 0;
+
+ for (i = 0; i < m_colCount; i++)
+ {
+ wxRichTextBox* cell = GetCell(j, i);
+ if (cell->IsShown())
+ {
+ int cellTotalLeftMargin = 0, cellTotalRightMargin = 0, cellTotalTopMargin = 0, cellTotalBottomMargin = 0;
+ GetTotalMargin(dc, buffer, cell->GetAttributes(), cellTotalLeftMargin, cellTotalRightMargin, cellTotalTopMargin, cellTotalBottomMargin);
+
+ overallRowContentMargin += (cellTotalLeftMargin + cellTotalRightMargin);
+ visibleCellCount ++;
+ }
+ }
+
+ // Add in inter-cell padding
+ overallRowContentMargin += ((visibleCellCount-1) * paddingX);
+
+ int rowContentWidth = internalTableWidth - overallRowContentMargin;
+ wxSize rowTableSize(rowContentWidth, 0);
+ wxTextAttrDimensionConverter converter(dc, scale, rowTableSize);
+
+ for (i = 0; i < m_colCount; i++)
+ {
+ wxRichTextCell* cell = GetCell(j, i);
+ if (cell->IsShown())
+ {
+ int colSpan = cell->GetColspan();
+
+ // Lay out cell to find min/max widths
+ cell->Invalidate(wxRICHTEXT_ALL);
+ cell->Layout(dc, context, availableSpace, availableSpace, style);
+
+ if (colSpan == 1)
+ {
+ int absoluteCellWidth = -1;
+ int percentageCellWidth = -1;
+
+ // I think we need to calculate percentages from the internal table size,
+ // minus the padding between cells which we'll need to calculate from the
+ // (number of VISIBLE cells - 1)*paddingX. Then percentages that add up to 100%
+ // will add up to 100%. In CSS, the width specifies the cell's content rect width,
+ // so if we want to conform to that we'll need to add in the overall cell margins.
+ // However, this will make it difficult to specify percentages that add up to
+ // 100% and still fit within the table width.
+ // Let's say two cells have 50% width. They have 10 pixels of overall margin each.
+ // The table content rect is 500 pixels and the inter-cell padding is 20 pixels.
+ // If we're using internal content size for the width, we would calculate the
+ // the overall cell width for n cells as:
+ // (500 - 20*(n-1) - overallCellMargin1 - overallCellMargin2 - ...) * percentage / 100
+ // + thisOverallCellMargin
+ // = 500 - 20 - 10 - 10) * 0.5 + 10 = 240 pixels overall cell width.
+ // Adding this back, we get 240 + 240 + 20 = 500 pixels.
+
+ if (cell->GetAttributes().GetTextBoxAttr().GetWidth().IsValid())
+ {
+ int w = converter.GetPixels(cell->GetAttributes().GetTextBoxAttr().GetWidth());
+ if (cell->GetAttributes().GetTextBoxAttr().GetWidth().GetUnits() == wxTEXT_ATTR_UNITS_PERCENTAGE)
+ {
+ percentageCellWidth = w;
+ }
+ else
+ {
+ absoluteCellWidth = w;
+ }
+ // Override absolute width with minimum width if necessary
+ if (cell->GetMinSize().x > 0 && absoluteCellWidth !=1 && cell->GetMinSize().x > absoluteCellWidth)
+ absoluteCellWidth = cell->GetMinSize().x;
+ }
+
+ if (absoluteCellWidth != -1)
+ {
+ if (absoluteCellWidth > absoluteColWidths[i])
+ absoluteColWidths[i] = absoluteCellWidth;
+ }
+
+ if (percentageCellWidth != -1)
+ {
+ if (percentageCellWidth > percentageColWidths[i])
+ percentageColWidths[i] = percentageCellWidth;
+ }
+
+ if (colSpan == 1 && cell->GetMinSize().x && cell->GetMinSize().x > minColWidths[i])
+ minColWidths[i] = cell->GetMinSize().x;
+ if (colSpan == 1 && cell->GetMaxSize().x && cell->GetMaxSize().x > maxColWidths[i])
+ maxColWidths[i] = cell->GetMaxSize().x;
+ }
+ }
+ }
+ }
+
+ // (2) Allocate initial column widths from minimum widths, absolute values and proportions
+ // TODO: simply merge this into (1).
+ for (i = 0; i < m_colCount; i++)
+ {
+ if (absoluteColWidths[i] > 0)
+ {
+ colWidths[i] = absoluteColWidths[i];
+ }
+ else if (percentageColWidths[i] > 0)
+ {
+ colWidths[i] = percentageColWidths[i];
+
+ // This is rubbish - we calculated the absolute widths from percentages, so
+ // we can't do it again here.
+ //colWidths[i] = (int) (double(percentageColWidths[i]) * double(tableWidth) / 100.0 + 0.5);
+ }
+ }
+
+ // (3) Process absolute or proportional widths of spanning columns,
+ // now that we know what our fixed column widths are going to be.
+ // Spanned cells will try to adjust columns so the span will fit.
+ // Even existing fixed column widths can be expanded if necessary.
+ // Actually, currently fixed columns widths aren't adjusted; instead,
+ // the algorithm favours earlier rows and adjusts unspecified column widths
+ // the first time only. After that, we can't know whether the column has been
+ // specified explicitly or not. (We could make a note if necessary.)
+ for (j = 0; j < m_rowCount; j++)
+ {
+ // First get the overall margins so we can calculate percentage widths based on
+ // the available content space for all cells on the row
+
+ int overallRowContentMargin = 0;
+ int visibleCellCount = 0;
+
+ for (i = 0; i < m_colCount; i++)
+ {
+ wxRichTextBox* cell = GetCell(j, i);
+ if (cell->IsShown())
+ {
+ int cellTotalLeftMargin = 0, cellTotalRightMargin = 0, cellTotalTopMargin = 0, cellTotalBottomMargin = 0;
+ GetTotalMargin(dc, buffer, cell->GetAttributes(), cellTotalLeftMargin, cellTotalRightMargin, cellTotalTopMargin, cellTotalBottomMargin);
+
+ overallRowContentMargin += (cellTotalLeftMargin + cellTotalRightMargin);
+ visibleCellCount ++;
+ }
+ }
+
+ // Add in inter-cell padding
+ overallRowContentMargin += ((visibleCellCount-1) * paddingX);
+
+ int rowContentWidth = internalTableWidth - overallRowContentMargin;
+ wxSize rowTableSize(rowContentWidth, 0);
+ wxTextAttrDimensionConverter converter(dc, scale, rowTableSize);
+
+ for (i = 0; i < m_colCount; i++)
+ {
+ wxRichTextCell* cell = GetCell(j, i);
+ if (cell->IsShown())
+ {
+ int colSpan = cell->GetColspan();
+ if (colSpan > 1)
+ {
+ int spans = wxMin(colSpan, m_colCount - i);
+ int cellWidth = 0;
+ if (spans > 0)
+ {
+ if (cell->GetAttributes().GetTextBoxAttr().GetWidth().IsValid())
+ {
+ cellWidth = converter.GetPixels(cell->GetAttributes().GetTextBoxAttr().GetWidth());
+ // Override absolute width with minimum width if necessary
+ if (cell->GetMinSize().x > 0 && cellWidth !=1 && cell->GetMinSize().x > cellWidth)
+ cellWidth = cell->GetMinSize().x;
+ }
+ else
+ {
+ // Do we want to do this? It's the only chance we get to
+ // use the cell's min/max sizes, so we need to work out
+ // how we're going to balance the unspecified spanning cell
+ // width with the possibility more-constrained constituent cell widths.
+ // Say there's a tiny bitmap giving it a max width of 10 pixels. We
+ // don't want to constraint all the spanned columns to fit into this cell.
+ // OK, let's say that if any of the constituent columns don't fit,
+ // then we simply stop constraining the columns; instead, we'll just fit the spanning
+ // cells to the columns later.
+ cellWidth = cell->GetMinSize().x;
+ if (cell->GetMaxSize().x > cellWidth)
+ cellWidth = cell->GetMaxSize().x;
+ }
+
+ // Subtract the padding between cells
+ int spanningWidth = cellWidth;
+ spanningWidth -= paddingX * (spans-1);
+
+ if (spanningWidth > 0)
+ {
+ // Now share the spanning width between columns within that span
+ // TODO: take into account min widths of columns within the span
+ int spanningWidthLeft = spanningWidth;
+ int stretchColCount = 0;
+ for (k = i; k < (i+spans); k++)
+ {
+ if (colWidths[k] > 0) // absolute or proportional width has been specified
+ spanningWidthLeft -= colWidths[k];
+ else
+ stretchColCount ++;
+ }
+ // Now divide what's left between the remaining columns
+ int colShare = 0;
+ if (stretchColCount > 0)
+ colShare = spanningWidthLeft / stretchColCount;
+ int colShareRemainder = spanningWidthLeft - (colShare * stretchColCount);
+
+ // If fixed-width columns are currently too big, then we'll later
+ // stretch the spanned cell to fit.
+
+ if (spanningWidthLeft > 0)
+ {
+ for (k = i; k < (i+spans); k++)
+ {
+ if (colWidths[k] <= 0) // absolute or proportional width has not been specified
+ {
+ int newWidth = colShare;
+ if (k == (i+spans-1))
+ newWidth += colShareRemainder; // ensure all pixels are filled
+ colWidths[k] = newWidth;
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+
+ // (4) Next, share any remaining space out between columns that have not yet been calculated.
+ // TODO: take into account min widths of columns within the span
+ int tableWidthMinusPadding = internalTableWidth - (m_colCount-1)*paddingX;
+ int widthLeft = tableWidthMinusPadding;
+ int stretchColCount = 0;
+ for (i = 0; i < m_colCount; i++)
+ {
+ // Subtract min width from width left, then
+ // add the colShare to the min width
+ if (colWidths[i] > 0) // absolute or proportional width has been specified
+ widthLeft -= colWidths[i];
+ else
+ {
+ if (minColWidths[i] > 0)
+ widthLeft -= minColWidths[i];
+
+ stretchColCount ++;
+ }
+ }
+
+ // Now divide what's left between the remaining columns
+ int colShare = 0;
+ if (stretchColCount > 0)
+ colShare = widthLeft / stretchColCount;
+ int colShareRemainder = widthLeft - (colShare * stretchColCount);
+
+ // Check we don't have enough space, in which case shrink all columns, overriding
+ // any absolute/proportional widths
+ // TODO: actually we would like to divide up the shrinkage according to size.
+ // How do we calculate the proportions that will achieve this?
+ // Could first choose an arbitrary value for stretching cells, and then calculate
+ // factors to multiply each width by.
+ // TODO: want to record this fact and pass to an iteration that tries e.g. min widths
+ if (widthLeft < 0 || (stretchToFitTableWidth && (stretchColCount == 0)))
+ {
+ colShare = tableWidthMinusPadding / m_colCount;
+ colShareRemainder = tableWidthMinusPadding - (colShare * m_colCount);
+ for (i = 0; i < m_colCount; i++)
+ {
+ colWidths[i] = 0;
+ minColWidths[i] = 0;
+ }
+ }
+
+ // We have to adjust the columns if either we need to shrink the
+ // table to fit the parent/table width, or we explicitly set the
+ // table width and need to stretch out the table.
+ if (widthLeft < 0 || stretchToFitTableWidth)
+ {
+ for (i = 0; i < m_colCount; i++)
+ {
+ if (colWidths[i] <= 0) // absolute or proportional width has not been specified
+ {
+ if (minColWidths[i] > 0)
+ colWidths[i] = minColWidths[i] + colShare;
+ else
+ colWidths[i] = colShare;
+ if (i == (m_colCount-1))
+ colWidths[i] += colShareRemainder; // ensure all pixels are filled
+ }
+ }
+ }
+
+ // TODO: if spanned cells have no specified or max width, make them the
+ // as big as the columns they span. Do this for all spanned cells in all
+ // rows, of course. Size any spanned cells left over at the end - even if they
+ // have width > 0, make sure they're limited to the appropriate column edge.
+
+
+/*
+ Sort out confusion between content width
+ and overall width later. For now, assume we specify overall width.
+
+ So, now we've laid out the table to fit into the given space
+ and have used specified widths and minimum widths.
+
+ Now we need to consider how we will try to take maximum width into account.
+
+*/
+
+ // (??) TODO: take max width into account
+
+ // (6) Lay out all cells again with the current values
+
+ int maxRight = 0;
+ int y = availableSpace.y;
+ for (j = 0; j < m_rowCount; j++)
+ {
+ int x = availableSpace.x; // TODO: take into account centering etc.
+ int maxCellHeight = 0;
+ int maxSpecifiedCellHeight = 0;
+
+ wxArrayInt actualWidths;
+ actualWidths.Add(0, m_colCount);
+
+ wxTextAttrDimensionConverter converter(dc, scale);
+ for (i = 0; i < m_colCount; i++)
+ {
+ wxRichTextCell* cell = GetCell(j, i);
+ if (cell->IsShown())
+ {
+ // Get max specified cell height
+ // Don't handle percentages for height
+ if (cell->GetAttributes().GetTextBoxAttr().GetHeight().IsValid() && cell->GetAttributes().GetTextBoxAttr().GetHeight().GetUnits() != wxTEXT_ATTR_UNITS_PERCENTAGE)
+ {
+ int h = converter.GetPixels(cell->GetAttributes().GetTextBoxAttr().GetHeight());
+ if (h > maxSpecifiedCellHeight)
+ maxSpecifiedCellHeight = h;
+ }
+
+ if (colWidths[i] > 0) // absolute or proportional width has been specified
+ {
+ int colSpan = cell->GetColspan();
+ wxRect availableCellSpace;
+
+ // Take into account spans
+ if (colSpan > 1)
+ {
+ // Calculate the size of this spanning cell from its constituent columns
+ int xx = 0;
+ int spans = wxMin(colSpan, m_colCount - i);
+ for (k = i; k < (i+spans); k++)
+ {
+ if (k != i)
+ xx += paddingX;
+ xx += colWidths[k];
+ }
+ availableCellSpace = wxRect(x, y, xx, -1);
+ }
+ else
+ availableCellSpace = wxRect(x, y, colWidths[i], -1);
+
+ // Store actual width so we can force cell to be the appropriate width on the final loop
+ actualWidths[i] = availableCellSpace.GetWidth();
+
+ // We now need to shift right by the width of any rowspanning cells above-left of us
+ int deltaX = GetRowspanDisplacement(this, j, i, paddingX, colWidths);
+ availableCellSpace.SetX(availableCellSpace.GetX() + deltaX);
+
+ // Lay out cell
+ cell->Invalidate(wxRICHTEXT_ALL);
+ cell->Layout(dc, context, availableCellSpace, availableSpace, style);
+
+ // TODO: use GetCachedSize().x to compute 'natural' size
+
+ x += (availableCellSpace.GetWidth() + paddingX);
+ if ((cell->GetCachedSize().y > maxCellHeight) && (cell->GetRowspan() < 2))
+ maxCellHeight = cell->GetCachedSize().y;
+ }
+ }
+ }
+
+ maxCellHeight = wxMax(maxCellHeight, maxSpecifiedCellHeight);
+
+ for (i = 0; i < m_colCount; i++)
+ {
+ wxRichTextCell* cell = GetCell(j, i);
+ if (cell->IsShown())
+ {
+ wxRect availableCellSpace = wxRect(cell->GetPosition(), wxSize(actualWidths[i], maxCellHeight));
+ // Lay out cell with new height
+ cell->Invalidate(wxRICHTEXT_ALL);
+ cell->Layout(dc, context, availableCellSpace, availableSpace, style);
+
+ // Make sure the cell size really is the appropriate size,
+ // not the calculated box size
+ cell->SetCachedSize(wxSize(actualWidths[i], maxCellHeight));
+
+ maxRight = wxMax(maxRight, cell->GetPosition().x + cell->GetCachedSize().x);
+ }
+ }
+
+ y += maxCellHeight;
+ if (j < (m_rowCount-1))
+ y += paddingY;
+ }
+
+ // Finally we need to expand any cell with rowspan > 1. We couldn't earlier; lower rows' heights weren't known
+ ExpandCellsWithRowspan(this, paddingY, y, dc, context, availableSpace, style);
+
+ // We need to add back the margins etc.
+ {
+ wxRect marginRect, borderRect, contentRect, paddingRect, outlineRect;
+ contentRect = wxRect(wxPoint(0, 0), wxSize(maxRight - availableSpace.x, y - availableSpace.y));
+ GetBoxRects(dc, GetBuffer(), attr, marginRect, borderRect, contentRect, paddingRect, outlineRect);
+ SetCachedSize(marginRect.GetSize());
+ }
+
+ // TODO: calculate max size
+ {
+ SetMaxSize(GetCachedSize());
+ }
+
+ // TODO: calculate min size
+ {
+ SetMinSize(GetCachedSize());
+ }
+
+ // TODO: currently we use either a fixed table width or the parent's size.
+ // We also want to be able to calculate the table width from its content,
+ // whether using fixed column widths or cell content min/max width.
+ // Probably need a boolean flag to say whether we need to stretch cells
+ // to fit the table width, or to simply use min/max cell widths. The
+ // trouble with this is that if cell widths are not specified, they
+ // will be tiny; we could use arbitrary defaults but this seems unsatisfactory.
+ // Anyway, ignoring that problem, we probably need to factor layout into a function
+ // that can can calculate the maximum unconstrained layout in case table size is
+ // not specified. Then LayoutToBestSize() can choose to use either parent size to
+ // constrain Layout(), or the previously-calculated max size to constraint layout.
+
+ return true;
+}
+
+// Finds the absolute position and row height for the given character position
+bool wxRichTextTable::FindPosition(wxDC& dc, wxRichTextDrawingContext& context, long index, wxPoint& pt, int* height, bool forceLineStart)
+{
+ wxRichTextCell* child = GetCell(index+1);
+ if (child)
+ {
+ // Find the position at the start of the child cell, since the table doesn't
+ // have any caret position of its own.
+ return child->FindPosition(dc, context, -1, pt, height, forceLineStart);
+ }
+ else
+ return false;
+}
+
+// Get the cell at the given character position (in the range of the table).
+wxRichTextCell* wxRichTextTable::GetCell(long pos) const
+{
+ int row = 0, col = 0;
+ if (GetCellRowColumnPosition(pos, row, col))
+ {
+ return GetCell(row, col);
+ }
+ else
+ return NULL;
+}
+
+// Get the row/column for a given character position
+bool wxRichTextTable::GetCellRowColumnPosition(long pos, int& row, int& col) const
+{
+ if (m_colCount == 0 || m_rowCount == 0)
+ return false;
+
+ row = (int) (pos / m_colCount);
+ col = pos - (row * m_colCount);
+
+ wxASSERT(row < m_rowCount && col < m_colCount);
+
+ if (row < m_rowCount && col < m_colCount)
+ return true;
+ else
+ return false;
+}
+
+// Calculate range, taking row/cell ordering into account instead of relying
+// on list ordering.
+void wxRichTextTable::CalculateRange(long start, long& end)
+{
+ long current = start;
+ long lastEnd = current;
+
+ if (IsTopLevel())
+ {
+ current = 0;
+ lastEnd = 0;
+ }
+
+ int i, j;
+ for (i = 0; i < m_rowCount; i++)
+ {
+ for (j = 0; j < m_colCount; j++)
+ {
+ wxRichTextCell* child = GetCell(i, j);
+ if (child)
+ {
+ long childEnd = 0;
+
+ child->CalculateRange(current, childEnd);
+
+ lastEnd = childEnd;
+ current = childEnd + 1;
+ }
+ }
+ }
+
+ // A top-level object always has a range of size 1,
+ // because its children don't count at this level.
+ end = start;
+ m_range.SetRange(start, start);
+
+ // An object with no children has zero length
+ if (m_children.GetCount() == 0)
+ lastEnd --;
+ m_ownRange.SetRange(0, lastEnd);
+}
+
+// Gets the range size.
+bool wxRichTextTable::GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, wxRichTextDrawingContext& context, int flags, const wxPoint& position, const wxSize& parentSize, wxArrayInt* partialExtents) const
+{
+ return wxRichTextBox::GetRangeSize(range, size, descent, dc, context, flags, position, parentSize, partialExtents);
+}
+
+// Deletes content in the given range.
+bool wxRichTextTable::DeleteRange(const wxRichTextRange& WXUNUSED(range))
+{
+ // TODO: implement deletion of cells
+ return true;
+}
+
+// Gets any text in this object for the given range.
+wxString wxRichTextTable::GetTextForRange(const wxRichTextRange& range) const
+{
+ return wxRichTextBox::GetTextForRange(range);
+}
+
+// Copies this object.
+void wxRichTextTable::Copy(const wxRichTextTable& obj)
+{
+ wxRichTextBox::Copy(obj);
+
+ ClearTable();
+
+ m_rowCount = obj.m_rowCount;
+ m_colCount = obj.m_colCount;
+
+ m_cells.Add(wxRichTextObjectPtrArray(), m_rowCount);
+
+ int i, j;
+ for (i = 0; i < m_rowCount; i++)
+ {
+ wxRichTextObjectPtrArray& colArray = m_cells[i];
+ for (j = 0; j < m_colCount; j++)
+ {
+ wxRichTextCell* cell = wxDynamicCast(obj.GetCell(i, j)->Clone(), wxRichTextCell);
+ AppendChild(cell);
+
+ colArray.Add(cell);
+ }
+ }
+}
+
+void wxRichTextTable::ClearTable()
+{
+ m_cells.Clear();
+ DeleteChildren();
+ m_rowCount = 0;
+ m_colCount = 0;
+}
+
+bool wxRichTextTable::CreateTable(int rows, int cols)
+{
+ ClearTable();
+
+ wxRichTextAttr cellattr;
+ cellattr.SetTextColour(GetBasicStyle().GetTextColour());
+
+ m_rowCount = rows;
+ m_colCount = cols;
+
+ m_cells.Add(wxRichTextObjectPtrArray(), rows);
+
+ int i, j;
+ for (i = 0; i < rows; i++)
+ {
+ wxRichTextObjectPtrArray& colArray = m_cells[i];
+ for (j = 0; j < cols; j++)
+ {
+ wxRichTextCell* cell = new wxRichTextCell;
+ cell->GetAttributes() = cellattr;
+
+ AppendChild(cell);
+ cell->AddParagraph(wxEmptyString);
+
+ colArray.Add(cell);
+ }
+ }
+
+ return true;
+}
+
+wxRichTextCell* wxRichTextTable::GetCell(int row, int col) const
+{
+ wxASSERT(row < m_rowCount);
+ wxASSERT(col < m_colCount);
+
+ if (row < m_rowCount && col < m_colCount)
+ {
+ wxRichTextObjectPtrArray& colArray = m_cells[row];
+ wxRichTextObject* obj = colArray[col];
+ return wxDynamicCast(obj, wxRichTextCell);
+ }
+ else
+ return NULL;
+}
+
+// Returns a selection object specifying the selections between start and end character positions.
+// For example, a table would deduce what cells (of range length 1) are selected when dragging across the table.
+wxRichTextSelection wxRichTextTable::GetSelection(long start, long end) const
+{
+ wxRichTextSelection selection;
+ selection.SetContainer((wxRichTextTable*) this);
+
+ if (start > end)
+ {
+ long tmp = end;
+ end = start;
+ start = tmp;
+ }
+
+ wxASSERT( start >= 0 && end < (m_colCount * m_rowCount));
+
+ if (end >= (m_colCount * m_rowCount))
+ return selection;
+
+ // We need to find the rectangle of cells that is described by the rectangle
+ // with start, end as the diagonal. Make sure we don't add cells that are
+ // not currenty visible because they are overlapped by spanning cells.
+/*
+ --------------------------
+ | 0 | 1 | 2 | 3 | 4 |
+ --------------------------
+ | 5 | 6 | 7 | 8 | 9 |
+ --------------------------
+ | 10 | 11 | 12 | 13 | 14 |
+ --------------------------
+ | 15 | 16 | 17 | 18 | 19 |
+ --------------------------
+
+ Let's say we select 6 -> 18.
+
+ Left and right edge cols of rectangle are 1 and 3 inclusive. Find least/greatest to find
+ which is left and which is right.
+
+ Top and bottom edge rows are 1 and 3 inclusive. Again, find least/greatest to find top and bottom.
+
+ Now go through rows from 1 to 3 and only add cells that are (a) within above column range
+ and (b) shown.
+
+
+*/
+
+ int leftCol = start - m_colCount * int(start/m_colCount);
+ int rightCol = end - m_colCount * int(end/m_colCount);
+
+ int topRow = int(start/m_colCount);
+ int bottomRow = int(end/m_colCount);
+
+ if (leftCol > rightCol)
+ {
+ int tmp = rightCol;
+ rightCol = leftCol;
+ leftCol = tmp;
+ }
+
+ if (topRow > bottomRow)
+ {
+ int tmp = bottomRow;
+ bottomRow = topRow;
+ topRow = tmp;
+ }
+
+ int i, j;
+ for (i = topRow; i <= bottomRow; i++)
+ {
+ for (j = leftCol; j <= rightCol; j++)
+ {
+ wxRichTextCell* cell = GetCell(i, j);
+ if (cell && cell->IsShown())
+ selection.Add(cell->GetRange());
+ }
+ }
+
+ return selection;
+}
+
+// Sets the attributes for the cells specified by the selection.
+bool wxRichTextTable::SetCellStyle(const wxRichTextSelection& selection, const wxRichTextAttr& style, int flags)
+{
+ if (selection.GetContainer() != this)
+ return false;
+
+ wxRichTextBuffer* buffer = GetBuffer();
+ bool haveControl = (buffer && buffer->GetRichTextCtrl() != NULL);
+ bool withUndo = haveControl && ((flags & wxRICHTEXT_SETSTYLE_WITH_UNDO) != 0);
+
+ if (withUndo)
+ buffer->BeginBatchUndo(_("Set Cell Style"));
+
+ wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
+ while (node)
+ {
+ wxRichTextCell* cell = wxDynamicCast(node->GetData(), wxRichTextCell);
+ if (cell && selection.WithinSelection(cell->GetRange().GetStart()))
+ SetStyle(cell, style, flags);
+ node = node->GetNext();
+ }
+
+ // Do action, or delay it until end of batch.
+ if (withUndo)
+ buffer->EndBatchUndo();
+
+ return true;
+}
+
+wxPosition wxRichTextTable::GetFocusedCell() const
+{
+ wxPosition position(-1, -1);
+ const wxRichTextObject* focus = GetBuffer()->GetRichTextCtrl()->GetFocusObject();
+
+ for (int row = 0; row < GetRowCount(); ++row)
+ {
+ for (int col = 0; col < GetColumnCount(); ++col)
+ {
+ if (GetCell(row, col) == focus)
+ {
+ position.SetRow(row);
+ position.SetCol(col);
+ return position;
+ }
+ }
+ }
+
+ return position;
+}
+
+int wxRichTextTable::HitTest(wxDC& dc, wxRichTextDrawingContext& context, const wxPoint& pt, long& textPosition, wxRichTextObject** obj, wxRichTextObject** contextObj, int flags)
+{
+ for (int row = 0; row < GetRowCount(); ++row)
+ {
+ for (int col = 0; col < GetColumnCount(); ++col)
+ {
+ wxRichTextCell* cell = GetCell(row, col);
+ if (cell->wxRichTextObject::HitTest(dc, context, pt, textPosition, obj, contextObj, flags) != wxRICHTEXT_HITTEST_NONE)
+ {
+ return cell->HitTest(dc, context, pt, textPosition, obj, contextObj, flags);
+ }
+ }
+ }
+
+ return wxRICHTEXT_HITTEST_NONE;
+}
+
+bool wxRichTextTable::DeleteRows(int startRow, int noRows)
+{
+ wxASSERT((startRow + noRows) <= m_rowCount);
+ if ((startRow + noRows) > m_rowCount)
+ return false;
+
+ wxCHECK_MSG(noRows != m_rowCount, false, "Trying to delete all the cells in a table");
+
+ wxRichTextBuffer* buffer = GetBuffer();
+ wxRichTextCtrl* rtc = buffer->GetRichTextCtrl();
+
+ wxRichTextAction* action = NULL;
+ wxRichTextTable* clone = NULL;
+ if (!rtc->SuppressingUndo())
+ {
+ // Create a clone containing the current state of the table. It will be used to Undo the action
+ clone = wxStaticCast(this->Clone(), wxRichTextTable);
+ clone->SetParent(GetParent());
+ action = new wxRichTextAction(NULL, _("Delete Row"), wxRICHTEXT_CHANGE_OBJECT, buffer, this, rtc);
+ action->SetObject(this);
+ action->SetPosition(GetRange().GetStart());
+ }
+
+ int i, j;
+ for (i = startRow; i < (startRow+noRows); i++)
+ {
+ wxRichTextObjectPtrArray& colArray = m_cells[startRow];
+ for (j = 0; j < (int) colArray.GetCount(); j++)
+ {
+ wxRichTextObject* cell = colArray[j];
+ RemoveChild(cell, true);
+ }
+
+ // Keep deleting at the same position, since we move all
+ // the others up
+ m_cells.RemoveAt(startRow);
+ }
+
+ m_rowCount = m_rowCount - noRows;
+
+ if (!rtc->SuppressingUndo())
+ {
+ buffer->SubmitAction(action);
+ // Finally store the original-state clone; doing so earlier would cause various failures
+ action->StoreObject(clone);
+ }
+
+ return true;
+}
+
+bool wxRichTextTable::DeleteColumns(int startCol, int noCols)
+{
+ wxASSERT((startCol + noCols) <= m_colCount);
+ if ((startCol + noCols) > m_colCount)
+ return false;
+
+ wxCHECK_MSG(noCols != m_colCount, false, "Trying to delete all the cells in a table");
+
+ wxRichTextBuffer* buffer = GetBuffer();
+ wxRichTextCtrl* rtc = buffer->GetRichTextCtrl();
+
+ wxRichTextAction* action = NULL;
+ wxRichTextTable* clone = NULL;
+ if (!rtc->SuppressingUndo())
+ {
+ // Create a clone containing the current state of the table. It will be used to Undo the action
+ clone = wxStaticCast(this->Clone(), wxRichTextTable);
+ clone->SetParent(GetParent());
+ action = new wxRichTextAction(NULL, _("Delete Column"), wxRICHTEXT_CHANGE_OBJECT, buffer, this, rtc);
+ action->SetObject(this);
+ action->SetPosition(GetRange().GetStart());
+ }
+
+ bool deleteRows = (noCols == m_colCount);
+
+ int i, j;
+ for (i = 0; i < m_rowCount; i++)
+ {
+ wxRichTextObjectPtrArray& colArray = m_cells[deleteRows ? 0 : i];
+ for (j = 0; j < noCols; j++)
+ {
+ wxRichTextObject* cell = colArray[startCol];
+ RemoveChild(cell, true);
+ colArray.RemoveAt(startCol);
+ }
+
+ if (deleteRows)
+ m_cells.RemoveAt(0);
+ }
+
+ if (deleteRows)
+ m_rowCount = 0;
+ m_colCount = m_colCount - noCols;
+
+ if (!rtc->SuppressingUndo())
+ {
+ buffer->SubmitAction(action);
+ // Finally store the original-state clone; doing so earlier would cause various failures
+ action->StoreObject(clone);
+ }
+
+ return true;
+}
+
+bool wxRichTextTable::AddRows(int startRow, int noRows, const wxRichTextAttr& attr)
+{
+ wxASSERT(startRow <= m_rowCount);
+ if (startRow > m_rowCount)
+ return false;
+
+ wxRichTextBuffer* buffer = GetBuffer();
+ wxRichTextAction* action = NULL;
+ wxRichTextTable* clone = NULL;
+
+ if (!buffer->GetRichTextCtrl()->SuppressingUndo())
+ {
+ // Create a clone containing the current state of the table. It will be used to Undo the action
+ clone = wxStaticCast(this->Clone(), wxRichTextTable);
+ clone->SetParent(GetParent());
+ action = new wxRichTextAction(NULL, _("Add Row"), wxRICHTEXT_CHANGE_OBJECT, buffer, this, buffer->GetRichTextCtrl());
+ action->SetObject(this);
+ action->SetPosition(GetRange().GetStart());
+ }
+
+ wxRichTextAttr cellattr = attr;
+ if (!cellattr.GetTextColour().IsOk())
+ cellattr.SetTextColour(buffer->GetBasicStyle().GetTextColour());
+
+ int i, j;
+ for (i = 0; i < noRows; i++)
+ {
+ int idx;
+ if (startRow == m_rowCount)
+ {
+ m_cells.Add(wxRichTextObjectPtrArray());
+ idx = m_cells.GetCount() - 1;
+ }
+ else
+ {
+ m_cells.Insert(wxRichTextObjectPtrArray(), startRow+i);
+ idx = startRow+i;
+ }
+
+ wxRichTextObjectPtrArray& colArray = m_cells[idx];
+ for (j = 0; j < m_colCount; j++)
+ {
+ wxRichTextCell* cell = new wxRichTextCell;
+ cell->GetAttributes() = cellattr;
+
+ AppendChild(cell);
+ cell->AddParagraph(wxEmptyString);
+ colArray.Add(cell);
+ }
+ }
+
+ m_rowCount = m_rowCount + noRows;
+
+ if (!buffer->GetRichTextCtrl()->SuppressingUndo())
+ {
+ buffer->SubmitAction(action);
+ // Finally store the original-state clone; doing so earlier would cause various failures
+ action->StoreObject(clone);
+ }
+
+ return true;
+}
+
+bool wxRichTextTable::AddColumns(int startCol, int noCols, const wxRichTextAttr& attr)
+{
+ wxASSERT(startCol <= m_colCount);
+ if (startCol > m_colCount)
+ return false;
+
+ wxRichTextBuffer* buffer = GetBuffer();
+ wxRichTextAction* action = NULL;
+ wxRichTextTable* clone = NULL;
+
+ if (!buffer->GetRichTextCtrl()->SuppressingUndo())
+ {
+ // Create a clone containing the current state of the table. It will be used to Undo the action
+ clone = wxStaticCast(this->Clone(), wxRichTextTable);
+ clone->SetParent(GetParent());
+ action = new wxRichTextAction(NULL, _("Add Column"), wxRICHTEXT_CHANGE_OBJECT, buffer, this, buffer->GetRichTextCtrl());
+ action->SetObject(this);
+ action->SetPosition(GetRange().GetStart());
+ }
+
+ wxRichTextAttr cellattr = attr;
+ if (!cellattr.GetTextColour().IsOk())
+ cellattr.SetTextColour(buffer->GetBasicStyle().GetTextColour());
+
+ int i, j;
+ for (i = 0; i < m_rowCount; i++)
+ {
+ wxRichTextObjectPtrArray& colArray = m_cells[i];
+ for (j = 0; j < noCols; j++)
+ {
+ wxRichTextCell* cell = new wxRichTextCell;
+ cell->GetAttributes() = cellattr;
+
+ AppendChild(cell);
+ cell->AddParagraph(wxEmptyString);
+
+ if (startCol == m_colCount)
+ colArray.Add(cell);
+ else
+ colArray.Insert(cell, startCol+j);
+ }
+ }
+
+ m_colCount = m_colCount + noCols;
+
+ if (!buffer->GetRichTextCtrl()->SuppressingUndo())
+ {
+ buffer->SubmitAction(action);
+ // Finally store the original-state clone; doing so earlier would cause various failures
+ action->StoreObject(clone);
+ }
+
+ return true;
+}
+
+// Edit properties via a GUI
+bool wxRichTextTable::EditProperties(wxWindow* parent, wxRichTextBuffer* buffer)
+{
+ wxRichTextObjectPropertiesDialog boxDlg(this, wxGetTopLevelParent(parent), wxID_ANY, _("Table Properties"));
+ boxDlg.SetAttributes(GetAttributes());
+
+ if (boxDlg.ShowModal() == wxID_OK)
+ {
+ boxDlg.ApplyStyle(buffer->GetRichTextCtrl(), wxRICHTEXT_SETSTYLE_WITH_UNDO|wxRICHTEXT_SETSTYLE_RESET);
+ return true;
+ }
+ else
+ return false;
+}
+
+bool wxRichTextTableBlock::ComputeBlockForSelection(wxRichTextTable* table, wxRichTextCtrl* ctrl, bool requireCellSelection)
+{
+ if (!ctrl)
+ return false;
+
+ ColStart() = 0;
+ ColEnd() = table->GetColumnCount()-1;
+ RowStart() = 0;
+ RowEnd() = table->GetRowCount()-1;
+
+ wxRichTextSelection selection = ctrl->GetSelection();
+ if (selection.IsValid() && selection.GetContainer() == table)
+ {
+ // Start with an invalid block and increase.
+ wxRichTextTableBlock selBlock(-1, -1, -1, -1);
+ wxRichTextRangeArray ranges = selection.GetRanges();
+ int row, col;
+ for (row = 0; row < table->GetRowCount(); row++)
+ {
+ for (col = 0; col < table->GetColumnCount(); col++)
+ {
+ if (selection.WithinSelection(table->GetCell(row, col)->GetRange().GetStart()))
+ {
+ if (selBlock.ColStart() == -1)
+ selBlock.ColStart() = col;
+ if (selBlock.ColEnd() == -1)
+ selBlock.ColEnd() = col;
+ if (col < selBlock.ColStart())
+ selBlock.ColStart() = col;
+ if (col > selBlock.ColEnd())
+ selBlock.ColEnd() = col;
+
+ if (selBlock.RowStart() == -1)
+ selBlock.RowStart() = row;
+ if (selBlock.RowEnd() == -1)
+ selBlock.RowEnd() = row;
+ if (row < selBlock.RowStart())
+ selBlock.RowStart() = row;
+ if (row > selBlock.RowEnd())
+ selBlock.RowEnd() = row;
+ }
+ }
+ }
+
+ if (selBlock.RowStart() != -1 && selBlock.RowEnd() != -1 && selBlock.ColStart() != -1 && selBlock.ColEnd() != -1)
+ (*this) = selBlock;
+ }
+ else
+ {
+ // See if a whole cell's contents is selected, in which case we can treat the cell as selected.
+ // wxRTC lacks the ability to select a single cell.
+ wxRichTextCell* cell = wxDynamicCast(ctrl->GetFocusObject(), wxRichTextCell);
+ if (cell && (!requireCellSelection || (ctrl->HasSelection() && ctrl->GetSelectionRange() == cell->GetOwnRange())))
+ {
+ int row, col;
+ if (table->GetCellRowColumnPosition(cell->GetRange().GetStart(), row, col))
+ {
+ RowStart() = row;
+ RowEnd() = row;
+ ColStart() = col;
+ ColEnd() = col;
+ }
+ }
+ }
+
+ return true;
+}
+
+// Does this block represent the whole table?
+bool wxRichTextTableBlock::IsWholeTable(wxRichTextTable* table) const
+{
+ return (ColStart() == 0 && RowStart() == 0 && ColEnd() == (table->GetColumnCount()-1) && RowEnd() == (table->GetRowCount()-1));
+}
+
+// Returns the cell focused in the table, if any
+wxRichTextCell* wxRichTextTableBlock::GetFocusedCell(wxRichTextCtrl* ctrl)
+{
+ if (!ctrl)
+ return NULL;
+
+ wxRichTextCell* cell = wxDynamicCast(ctrl->GetFocusObject(), wxRichTextCell);
+ return cell;
+}
+
+/*
+ * Module to initialise and clean up handlers
+ */
+
+class wxRichTextModule: public wxModule
+{
+DECLARE_DYNAMIC_CLASS(wxRichTextModule)
+public:
+ wxRichTextModule() {}
+ bool OnInit()
+ {
+ wxRichTextBuffer::SetRenderer(new wxRichTextStdRenderer);
+ wxRichTextBuffer::InitStandardHandlers();
+ wxRichTextParagraph::InitDefaultTabs();
+
+ wxRichTextXMLHandler::RegisterNodeName(wxT("text"), wxT("wxRichTextPlainText"));
+ wxRichTextXMLHandler::RegisterNodeName(wxT("symbol"), wxT("wxRichTextPlainText"));
+ wxRichTextXMLHandler::RegisterNodeName(wxT("image"), wxT("wxRichTextImage"));
+ wxRichTextXMLHandler::RegisterNodeName(wxT("paragraph"), wxT("wxRichTextParagraph"));
+ wxRichTextXMLHandler::RegisterNodeName(wxT("paragraphlayout"), wxT("wxRichTextParagraphLayoutBox"));
+ wxRichTextXMLHandler::RegisterNodeName(wxT("textbox"), wxT("wxRichTextBox"));
+ wxRichTextXMLHandler::RegisterNodeName(wxT("cell"), wxT("wxRichTextCell"));
+ wxRichTextXMLHandler::RegisterNodeName(wxT("table"), wxT("wxRichTextTable"));
+ wxRichTextXMLHandler::RegisterNodeName(wxT("field"), wxT("wxRichTextField"));
+
+ return true;
+ }
+ void OnExit()
+ {
+ wxRichTextBuffer::CleanUpHandlers();
+ wxRichTextBuffer::CleanUpDrawingHandlers();
+ wxRichTextBuffer::CleanUpFieldTypes();
+ wxRichTextXMLHandler::ClearNodeToClassMap();
+ wxRichTextDecimalToRoman(-1);
+ wxRichTextParagraph::ClearDefaultTabs();
+ wxRichTextCtrl::ClearAvailableFontNames();
+ wxRichTextBuffer::SetRenderer(NULL);
+ }
+};
+
+IMPLEMENT_DYNAMIC_CLASS(wxRichTextModule, wxModule)
+
+
+// If the richtext lib is dynamically loaded after the app has already started
+// (such as from wxPython) then the built-in module system will not init this
+// module. Provide this function to do it manually.
+void wxRichTextModuleInit()
+{
+ wxModule* module = new wxRichTextModule;
+ wxModule::RegisterModule(module);
+ wxModule::InitializeModules();
+}
+
+
+/*!
+ * Commands for undo/redo
+ *
+ */
+
+wxRichTextCommand::wxRichTextCommand(const wxString& name, wxRichTextCommandId id, wxRichTextBuffer* buffer,
+ wxRichTextParagraphLayoutBox* container, wxRichTextCtrl* ctrl, bool ignoreFirstTime): wxCommand(true, name)
+{
+ /* wxRichTextAction* action = */ new wxRichTextAction(this, name, id, buffer, container, ctrl, ignoreFirstTime);
+}
+
+wxRichTextCommand::wxRichTextCommand(const wxString& name): wxCommand(true, name)
+{
+}
+
+wxRichTextCommand::~wxRichTextCommand()
+{
+ ClearActions();
+}
+
+void wxRichTextCommand::AddAction(wxRichTextAction* action)
+{
+ if (!m_actions.Member(action))
+ m_actions.Append(action);
+}
+
+bool wxRichTextCommand::Do()
+{
+ for (wxList::compatibility_iterator node = m_actions.GetFirst(); node; node = node->GetNext())
+ {
+ wxRichTextAction* action = (wxRichTextAction*) node->GetData();
+ action->Do();
+ }
+
+ return true;
+}
+
+bool wxRichTextCommand::Undo()
+{
+ for (wxList::compatibility_iterator node = m_actions.GetLast(); node; node = node->GetPrevious())
+ {
+ wxRichTextAction* action = (wxRichTextAction*) node->GetData();
+ action->Undo();
+ }
+
+ return true;
+}
+
+void wxRichTextCommand::ClearActions()
+{
+ WX_CLEAR_LIST(wxList, m_actions);
+}
+
+/*!
+ * Individual action
+ *
+ */
+
+wxRichTextAction::wxRichTextAction(wxRichTextCommand* cmd, const wxString& name, wxRichTextCommandId id,
+ wxRichTextBuffer* buffer, wxRichTextParagraphLayoutBox* container,
+ wxRichTextCtrl* ctrl, bool ignoreFirstTime)
+{
+ m_buffer = buffer;
+ m_object = NULL;
+ m_containerAddress.Create(buffer, container);
+ m_ignoreThis = ignoreFirstTime;
+ m_cmdId = id;
+ m_position = -1;
+ m_ctrl = ctrl;
+ m_name = name;
+ m_newParagraphs.SetDefaultStyle(buffer->GetDefaultStyle());
+ m_newParagraphs.SetBasicStyle(buffer->GetBasicStyle());
+ if (cmd)
+ cmd->AddAction(this);
+}
+
+wxRichTextAction::~wxRichTextAction()
+{
+ if (m_object)
+ delete m_object;
+}
+
+// Returns the container that this action refers to, using the container address and top-level buffer.
+wxRichTextParagraphLayoutBox* wxRichTextAction::GetContainer() const
+{
+ wxRichTextParagraphLayoutBox* container = wxDynamicCast(GetContainerAddress().GetObject(m_buffer), wxRichTextParagraphLayoutBox);
+ return container;
+}
+
+
+void wxRichTextAction::CalculateRefreshOptimizations(wxArrayInt& optimizationLineCharPositions, wxArrayInt& optimizationLineYPositions)
+{
+ // Store a list of line start character and y positions so we can figure out which area
+ // we need to refresh
+
+#if wxRICHTEXT_USE_OPTIMIZED_DRAWING
+ wxRichTextParagraphLayoutBox* container = GetContainer();
+ wxASSERT(container != NULL);
+ if (!container)
+ return;
+
+ // NOTE: we're assuming that the buffer is laid out correctly at this point.
+ // If we had several actions, which only invalidate and leave layout until the
+ // paint handler is called, then this might not be true. So we may need to switch
+ // optimisation on only when we're simply adding text and not simultaneously
+ // deleting a selection, for example. Or, we make sure the buffer is laid out correctly
+ // first, but of course this means we'll be doing it twice.
+ if (!m_buffer->IsDirty() && m_ctrl) // can only do optimisation if the buffer is already laid out correctly
+ {
+ wxSize clientSize = m_ctrl->GetUnscaledSize(m_ctrl->GetClientSize());
+ wxPoint firstVisiblePt = m_ctrl->GetUnscaledPoint(m_ctrl->GetFirstVisiblePoint());
+ int lastY = firstVisiblePt.y + clientSize.y;
+
+ wxRichTextParagraph* para = container->GetParagraphAtPosition(GetRange().GetStart());
+ wxRichTextObjectList::compatibility_iterator node = container->GetChildren().Find(para);
+ while (node)
+ {
+ wxRichTextParagraph* child = (wxRichTextParagraph*) node->GetData();
+ wxRichTextLineList::compatibility_iterator node2 = child->GetLines().GetFirst();
+ while (node2)
+ {
+ wxRichTextLine* line = node2->GetData();
+ wxPoint pt = line->GetAbsolutePosition();
+ wxRichTextRange range = line->GetAbsoluteRange();
+
+ if (pt.y > lastY)
+ {
+ node2 = wxRichTextLineList::compatibility_iterator();
+ node = wxRichTextObjectList::compatibility_iterator();
+ }
+ else if (range.GetStart() > GetPosition() && pt.y >= firstVisiblePt.y)
+ {
+ optimizationLineCharPositions.Add(range.GetStart());
+ optimizationLineYPositions.Add(pt.y);
+ }
+
+ if (node2)
+ node2 = node2->GetNext();
+ }
+
+ if (node)
+ node = node->GetNext();
+ }
+ }
+#endif
+}
+
+bool wxRichTextAction::Do()
+{
+ m_buffer->Modify(true);
+
+ wxRichTextParagraphLayoutBox* container = GetContainer();
+ wxASSERT(container != NULL);
+ if (!container)
+ return false;
+
+ switch (m_cmdId)
+ {
+ case wxRICHTEXT_INSERT:
+ {
+ // Store a list of line start character and y positions so we can figure out which area
+ // we need to refresh
+ wxArrayInt optimizationLineCharPositions;
+ wxArrayInt optimizationLineYPositions;
+
+#if wxRICHTEXT_USE_OPTIMIZED_DRAWING
+ CalculateRefreshOptimizations(optimizationLineCharPositions, optimizationLineYPositions);
+#endif
+
+ container->InsertFragment(GetRange().GetStart(), m_newParagraphs);
+ container->UpdateRanges();
+
+ // InvalidateHierarchy goes up the hierarchy as well as down, otherwise with a nested object,
+ // Layout() would stop prematurely at the top level.
+ container->InvalidateHierarchy(wxRichTextRange(wxMax(0, GetRange().GetStart()-1), GetRange().GetEnd()));
+
+ long newCaretPosition = GetPosition() + m_newParagraphs.GetOwnRange().GetLength();
+
+ // Character position to caret position
+ newCaretPosition --;
+
+ // Don't take into account the last newline
+ if (m_newParagraphs.GetPartialParagraph())
+ newCaretPosition --;
+ else
+ if (m_newParagraphs.GetChildren().GetCount() > 1)
+ {
+ wxRichTextObject* p = (wxRichTextObject*) m_newParagraphs.GetChildren().GetLast()->GetData();
+ if (p->GetRange().GetLength() == 1)
+ newCaretPosition --;
+ }
+
+ newCaretPosition = wxMin(newCaretPosition, (container->GetOwnRange().GetEnd()-1));
+
+ UpdateAppearance(newCaretPosition, true /* send update event */, & optimizationLineCharPositions, & optimizationLineYPositions, true /* do */);
+
+ wxRichTextEvent cmdEvent(
+ wxEVT_RICHTEXT_CONTENT_INSERTED,
+ m_ctrl ? m_ctrl->GetId() : -1);
+ cmdEvent.SetEventObject(m_ctrl ? (wxObject*) m_ctrl : (wxObject*) m_buffer);
+ cmdEvent.SetRange(GetRange());
+ cmdEvent.SetPosition(GetRange().GetStart());
+ cmdEvent.SetContainer(container);
+
+ m_buffer->SendEvent(cmdEvent);
+
+ break;
+ }
+ case wxRICHTEXT_DELETE:
+ {
+ wxArrayInt optimizationLineCharPositions;
+ wxArrayInt optimizationLineYPositions;
+
+#if wxRICHTEXT_USE_OPTIMIZED_DRAWING
+ CalculateRefreshOptimizations(optimizationLineCharPositions, optimizationLineYPositions);
+#endif
+
+ container->DeleteRange(GetRange());
+ container->UpdateRanges();
+ // InvalidateHierarchy goes up the hierarchy as well as down, otherwise with a nested object,
+ // Layout() would stop prematurely at the top level.
+ container->InvalidateHierarchy(wxRichTextRange(GetRange().GetStart(), GetRange().GetStart()));
+
+ long caretPos = GetRange().GetStart()-1;
+ if (caretPos >= container->GetOwnRange().GetEnd())
+ caretPos --;
+
+ UpdateAppearance(caretPos, true /* send update event */, & optimizationLineCharPositions, & optimizationLineYPositions, true /* do */);
+
+ wxRichTextEvent cmdEvent(
+ wxEVT_RICHTEXT_CONTENT_DELETED,
+ m_ctrl ? m_ctrl->GetId() : -1);
+ cmdEvent.SetEventObject(m_ctrl ? (wxObject*) m_ctrl : (wxObject*) m_buffer);
+ cmdEvent.SetRange(GetRange());
+ cmdEvent.SetPosition(GetRange().GetStart());
+ cmdEvent.SetContainer(container);
+
+ m_buffer->SendEvent(cmdEvent);
+
+ break;
+ }
+ case wxRICHTEXT_CHANGE_STYLE:
+ case wxRICHTEXT_CHANGE_PROPERTIES:
+ {
+ ApplyParagraphs(GetNewParagraphs());
+
+ // Invalidate the whole buffer if there were floating objects
+ if (wxRichTextBuffer::GetFloatingLayoutMode() && container->GetFloatingObjectCount() > 0)
+ m_buffer->InvalidateHierarchy(wxRICHTEXT_ALL);
+ else
+ {
+ // InvalidateHierarchy goes up the hierarchy as well as down, otherwise with a nested object,
+ // Layout() would stop prematurely at the top level.
+ container->InvalidateHierarchy(GetRange());
+ }
+
+ UpdateAppearance(GetPosition());
+
+ wxRichTextEvent cmdEvent(
+ m_cmdId == wxRICHTEXT_CHANGE_STYLE ? wxEVT_RICHTEXT_STYLE_CHANGED : wxEVT_RICHTEXT_PROPERTIES_CHANGED,
+ m_ctrl ? m_ctrl->GetId() : -1);
+ cmdEvent.SetEventObject(m_ctrl ? (wxObject*) m_ctrl : (wxObject*) m_buffer);
+ cmdEvent.SetRange(GetRange());
+ cmdEvent.SetPosition(GetRange().GetStart());
+ cmdEvent.SetContainer(container);
+
+ m_buffer->SendEvent(cmdEvent);
+
+ break;
+ }
+ case wxRICHTEXT_CHANGE_ATTRIBUTES:
+ {
+ wxRichTextObject* obj = m_objectAddress.GetObject(m_buffer); // container->GetChildAtPosition(GetRange().GetStart());
+ if (obj)
+ {
+ wxRichTextAttr oldAttr = obj->GetAttributes();
+ obj->GetAttributes() = m_attributes;
+ m_attributes = oldAttr;
+ }
+
+ // InvalidateHierarchy goes up the hierarchy as well as down, otherwise with a nested object,
+ // Layout() would stop prematurely at the top level.
+ // Invalidate the whole buffer if there were floating objects
+ if (wxRichTextBuffer::GetFloatingLayoutMode() && container->GetFloatingObjectCount() > 0)
+ m_buffer->InvalidateHierarchy(wxRICHTEXT_ALL);
+ else
+ container->InvalidateHierarchy(GetRange());
+
+ UpdateAppearance(GetPosition());
+
+ wxRichTextEvent cmdEvent(
+ wxEVT_RICHTEXT_STYLE_CHANGED,
+ m_ctrl ? m_ctrl->GetId() : -1);
+ cmdEvent.SetEventObject(m_ctrl ? (wxObject*) m_ctrl : (wxObject*) m_buffer);
+ cmdEvent.SetRange(GetRange());
+ cmdEvent.SetPosition(GetRange().GetStart());
+ cmdEvent.SetContainer(container);
+
+ m_buffer->SendEvent(cmdEvent);
+
+ break;
+ }
+ case wxRICHTEXT_CHANGE_OBJECT:
+ {
+ wxRichTextObject* obj = m_objectAddress.GetObject(m_buffer);
+ if (obj && m_object && m_ctrl)
+ {
+ // The plan is to swap the current object with the stored, previous-state, clone
+ // We can't get 'node' from the containing buffer (as it doesn't directly store objects)
+ // so use the parent paragraph
+ wxRichTextParagraph* para = wxDynamicCast(obj->GetParent(), wxRichTextParagraph);
+ wxCHECK_MSG(para, false, "Invalid parent paragraph");
+
+ // The stored object, m_object, may have a stale parent paragraph. This would cause
+ // a crash during layout, so use obj's parent para, which should be the correct one.
+ // (An alternative would be to return the parent too from m_objectAddress.GetObject(),
+ // or to set obj's parent there before returning)
+ m_object->SetParent(para);
+
+ wxRichTextObjectList::compatibility_iterator node = para->GetChildren().Find(obj);
+ if (node)
+ {
+ wxRichTextObject* obj = node->GetData();
+ node->SetData(m_object);
+ m_object = obj;
+ }
+ }
+
+ // We can't rely on the current focus-object remaining valid, if it's e.g. a table's cell.
+ // And we can't cope with this in the calling code: a user may later click in the cell
+ // before deciding to Undo() or Redo(). So play safe and set focus to the buffer.
+ if (m_ctrl)
+ m_ctrl->SetFocusObject(m_buffer, false);
+
+ // InvalidateHierarchy goes up the hierarchy as well as down, otherwise with a nested object,
+ // Layout() would stop prematurely at the top level.
+ // Invalidate the whole buffer if there were floating objects
+ if (wxRichTextBuffer::GetFloatingLayoutMode() && container->GetFloatingObjectCount() > 0)
+ m_buffer->InvalidateHierarchy(wxRICHTEXT_ALL);
+ else
+ container->InvalidateHierarchy(GetRange());
+
+ UpdateAppearance(GetPosition(), true);
+
+ // TODO: send new kind of modification event
+
+ break;
+ }
+ default:
+ break;
+ }
+
+ return true;
+}
+
+bool wxRichTextAction::Undo()
+{
+ m_buffer->Modify(true);
+
+ wxRichTextParagraphLayoutBox* container = GetContainer();
+ wxASSERT(container != NULL);
+ if (!container)
+ return false;
+
+ switch (m_cmdId)
+ {
+ case wxRICHTEXT_INSERT:
+ {
+ wxArrayInt optimizationLineCharPositions;
+ wxArrayInt optimizationLineYPositions;
+
+#if wxRICHTEXT_USE_OPTIMIZED_DRAWING
+ CalculateRefreshOptimizations(optimizationLineCharPositions, optimizationLineYPositions);
+#endif
+
+ container->DeleteRange(GetRange());
+ container->UpdateRanges();
+
+ // InvalidateHierarchy goes up the hierarchy as well as down, otherwise with a nested object,
+ // Layout() would stop prematurely at the top level.
+ container->InvalidateHierarchy(wxRichTextRange(GetRange().GetStart(), GetRange().GetStart()));
+
+ long newCaretPosition = GetPosition() - 1;
+
+ UpdateAppearance(newCaretPosition, true, /* send update event */ & optimizationLineCharPositions, & optimizationLineYPositions, false /* undo */);
+
+ wxRichTextEvent cmdEvent(
+ wxEVT_RICHTEXT_CONTENT_DELETED,
+ m_ctrl ? m_ctrl->GetId() : -1);
+ cmdEvent.SetEventObject(m_ctrl ? (wxObject*) m_ctrl : (wxObject*) m_buffer);
+ cmdEvent.SetRange(GetRange());
+ cmdEvent.SetPosition(GetRange().GetStart());
+ cmdEvent.SetContainer(container);
+
+ m_buffer->SendEvent(cmdEvent);
+
+ break;
+ }
+ case wxRICHTEXT_DELETE:
+ {
+ wxArrayInt optimizationLineCharPositions;
+ wxArrayInt optimizationLineYPositions;
+
+#if wxRICHTEXT_USE_OPTIMIZED_DRAWING
+ CalculateRefreshOptimizations(optimizationLineCharPositions, optimizationLineYPositions);
+#endif
+
+ container->InsertFragment(GetRange().GetStart(), m_oldParagraphs);
+ container->UpdateRanges();
+
+ // InvalidateHierarchy goes up the hierarchy as well as down, otherwise with a nested object,
+ // Layout() would stop prematurely at the top level.
+ container->InvalidateHierarchy(GetRange());
+
+ UpdateAppearance(GetPosition(), true, /* send update event */ & optimizationLineCharPositions, & optimizationLineYPositions, false /* undo */);
+
+ wxRichTextEvent cmdEvent(
+ wxEVT_RICHTEXT_CONTENT_INSERTED,
+ m_ctrl ? m_ctrl->GetId() : -1);
+ cmdEvent.SetEventObject(m_ctrl ? (wxObject*) m_ctrl : (wxObject*) m_buffer);
+ cmdEvent.SetRange(GetRange());
+ cmdEvent.SetPosition(GetRange().GetStart());
+ cmdEvent.SetContainer(container);
+
+ m_buffer->SendEvent(cmdEvent);
+
+ break;
+ }
+ case wxRICHTEXT_CHANGE_STYLE:
+ case wxRICHTEXT_CHANGE_PROPERTIES:
+ {
+ ApplyParagraphs(GetOldParagraphs());
+ // InvalidateHierarchy goes up the hierarchy as well as down, otherwise with a nested object,
+ // Layout() would stop prematurely at the top level.
+ container->InvalidateHierarchy(GetRange());
+
+ UpdateAppearance(GetPosition());
+
+ wxRichTextEvent cmdEvent(
+ m_cmdId == wxRICHTEXT_CHANGE_STYLE ? wxEVT_RICHTEXT_STYLE_CHANGED : wxEVT_RICHTEXT_PROPERTIES_CHANGED,
+ m_ctrl ? m_ctrl->GetId() : -1);
+ cmdEvent.SetEventObject(m_ctrl ? (wxObject*) m_ctrl : (wxObject*) m_buffer);
+ cmdEvent.SetRange(GetRange());
+ cmdEvent.SetPosition(GetRange().GetStart());
+ cmdEvent.SetContainer(container);
+
+ m_buffer->SendEvent(cmdEvent);
+
+ break;
+ }
+ case wxRICHTEXT_CHANGE_ATTRIBUTES:
+ case wxRICHTEXT_CHANGE_OBJECT:
+ {
+ return Do();
+ }
+ default:
+ break;
+ }
+
+ return true;
+}
+
+/// Update the control appearance
+void wxRichTextAction::UpdateAppearance(long caretPosition, bool sendUpdateEvent, wxArrayInt* optimizationLineCharPositions, wxArrayInt* optimizationLineYPositions, bool isDoCmd)
+{
+ wxRichTextParagraphLayoutBox* container = GetContainer();
+ wxASSERT(container != NULL);
+ if (!container)
+ return;
+
+ if (m_ctrl)
+ {
+ m_ctrl->SetFocusObject(container);
+ m_ctrl->SetCaretPosition(caretPosition);
+
+ if (!m_ctrl->IsFrozen())
+ {
+ wxRect containerRect = container->GetRect();
+
+ m_ctrl->LayoutContent();
+
+ // Refresh everything if there were floating objects or the container changed size
+ // (we can't yet optimize in these cases, since more complex interaction with other content occurs)
+ if ((wxRichTextBuffer::GetFloatingLayoutMode() && container->GetFloatingObjectCount() > 0) || (container->GetParent() && containerRect != container->GetRect()))
+ {
+ m_ctrl->Refresh(false);
+ }
+ else
+
+#if wxRICHTEXT_USE_OPTIMIZED_DRAWING
+ // Find refresh rectangle if we are in a position to optimise refresh
+ if ((m_cmdId == wxRICHTEXT_INSERT || m_cmdId == wxRICHTEXT_DELETE) && optimizationLineCharPositions)
+ {
+ size_t i;
+
+ wxSize clientSize = m_ctrl->GetUnscaledSize(m_ctrl->GetClientSize());
+ wxPoint firstVisiblePt = m_ctrl->GetUnscaledPoint(m_ctrl->GetFirstVisiblePoint());
+
+ // Start/end positions
+ int firstY = 0;
+ int lastY = firstVisiblePt.y + clientSize.y;
+
+ bool foundEnd = false;
+
+ // position offset - how many characters were inserted
+ int positionOffset = GetRange().GetLength();
+
+ // Determine whether this is Do or Undo, and adjust positionOffset accordingly
+ if ((m_cmdId == wxRICHTEXT_DELETE && isDoCmd) || (m_cmdId == wxRICHTEXT_INSERT && !isDoCmd))
+ positionOffset = - positionOffset;
+
+ // find the first line which is being drawn at the same position as it was
+ // before. Since we're talking about a simple insertion, we can assume
+ // that the rest of the window does not need to be redrawn.
+ long pos = GetRange().GetStart();
+
+ wxRichTextParagraph* para = container->GetParagraphAtPosition(pos, false /* is not caret pos */);
+ // Since we support floating layout, we should redraw the whole para instead of just
+ // the first line touching the invalid range.
+ if (para)
+ {
+ // In case something was drawn above the paragraph,
+ // such as a line break, allow a little extra.
+ firstY = para->GetPosition().y - 4;
+ }
+
+ wxRichTextObjectList::compatibility_iterator node = container->GetChildren().Find(para);
+ while (node)
+ {
+ wxRichTextParagraph* child = (wxRichTextParagraph*) node->GetData();
+ wxRichTextLineList::compatibility_iterator node2 = child->GetLines().GetFirst();
+ while (node2)
+ {
+ wxRichTextLine* line = node2->GetData();
+ wxPoint pt = line->GetAbsolutePosition();
+ wxRichTextRange range = line->GetAbsoluteRange();
+
+ // we want to find the first line that is in the same position
+ // as before. This will mean we're at the end of the changed text.
+
+ if (pt.y > lastY) // going past the end of the window, no more info
+ {
+ node2 = wxRichTextLineList::compatibility_iterator();
+ node = wxRichTextObjectList::compatibility_iterator();
+ }
+ // Detect last line in the buffer
+ else if (!node2->GetNext() && para->GetRange().Contains(container->GetOwnRange().GetEnd()))
+ {
+ // If deleting text, make sure we refresh below as well as above
+ if (positionOffset >= 0)
+ {
+ foundEnd = true;
+ lastY = pt.y + line->GetSize().y;
+ }
+
+ node2 = wxRichTextLineList::compatibility_iterator();
+ node = wxRichTextObjectList::compatibility_iterator();
+
+ break;
+ }
+ else
+ {
+ // search for this line being at the same position as before
+ for (i = 0; i < optimizationLineCharPositions->GetCount(); i++)
+ {
+ if (((*optimizationLineCharPositions)[i] + positionOffset == range.GetStart()) &&
+ ((*optimizationLineYPositions)[i] == pt.y))
+ {
+ // Stop, we're now the same as we were
+ foundEnd = true;
+
+ lastY = pt.y + line->GetSize().y;
+
+ node2 = wxRichTextLineList::compatibility_iterator();
+ node = wxRichTextObjectList::compatibility_iterator();
+
+ break;
+ }
+ }
+ }
+
+ if (node2)
+ node2 = node2->GetNext();
+ }
+
+ if (node)
+ node = node->GetNext();
+ }
+
+ firstY = wxMax(firstVisiblePt.y, firstY);
+ if (!foundEnd)
+ lastY = firstVisiblePt.y + clientSize.y;
+
+ // Convert to device coordinates
+ wxRect rect(m_ctrl->GetPhysicalPoint(m_ctrl->GetScaledPoint(wxPoint(firstVisiblePt.x, firstY))), m_ctrl->GetScaledSize(wxSize(clientSize.x, lastY - firstY)));
+ m_ctrl->RefreshRect(rect);
+ }
+ else
+#endif
+ m_ctrl->Refresh(false);
+
+ m_ctrl->PositionCaret();
+
+ // This causes styles to persist when doing programmatic
+ // content creation except when Freeze/Thaw is used, so
+ // disable this and check for the consequences.
+ // m_ctrl->SetDefaultStyleToCursorStyle();
+
+ if (sendUpdateEvent)
+ wxTextCtrl::SendTextUpdatedEvent(m_ctrl);
+ }
+ }
+}
+
+/// Replace the buffer paragraphs with the new ones.
+void wxRichTextAction::ApplyParagraphs(const wxRichTextParagraphLayoutBox& fragment)
+{
+ wxRichTextParagraphLayoutBox* container = GetContainer();
+ wxASSERT(container != NULL);
+ if (!container)
+ return;
+
+ wxRichTextObjectList::compatibility_iterator node = fragment.GetChildren().GetFirst();
+ while (node)
+ {
+ wxRichTextParagraph* para = wxDynamicCast(node->GetData(), wxRichTextParagraph);
+ wxASSERT (para != NULL);
+
+ // We'll replace the existing paragraph by finding the paragraph at this position,
+ // delete its node data, and setting a copy as the new node data.
+ // TODO: make more efficient by simply swapping old and new paragraph objects.
+
+ wxRichTextParagraph* existingPara = container->GetParagraphAtPosition(para->GetRange().GetStart());
+ if (existingPara)
+ {
+ wxRichTextObjectList::compatibility_iterator bufferParaNode = container->GetChildren().Find(existingPara);
+ if (bufferParaNode)
+ {
+ wxRichTextParagraph* newPara = new wxRichTextParagraph(*para);
+ newPara->SetParent(container);
+
+ bufferParaNode->SetData(newPara);
+
+ delete existingPara;
+ }
+ }
+
+ node = node->GetNext();
+ }
+}
+
+
+/*!
+ * wxRichTextRange
+ * This stores beginning and end positions for a range of data.
+ */
+
+WX_DEFINE_OBJARRAY(wxRichTextRangeArray);
+
+/// Limit this range to be within 'range'
+bool wxRichTextRange::LimitTo(const wxRichTextRange& range)
+{
+ if (m_start < range.m_start)
+ m_start = range.m_start;
+
+ if (m_end > range.m_end)
+ m_end = range.m_end;
+
+ return true;
+}
+
+/*!
+ * wxRichTextImage implementation
+ * This object represents an image.
+ */
+
+IMPLEMENT_DYNAMIC_CLASS(wxRichTextImage, wxRichTextObject)
+
+wxRichTextImage::wxRichTextImage(const wxImage& image, wxRichTextObject* parent, wxRichTextAttr* charStyle):
+ wxRichTextObject(parent)
+{
+ Init();
+ m_imageBlock.MakeImageBlockDefaultQuality(image, wxBITMAP_TYPE_PNG);
+ if (charStyle)
+ SetAttributes(*charStyle);
+}
+
+wxRichTextImage::wxRichTextImage(const wxRichTextImageBlock& imageBlock, wxRichTextObject* parent, wxRichTextAttr* charStyle):
+ wxRichTextObject(parent)
+{
+ Init();
+ m_imageBlock = imageBlock;
+ if (charStyle)
+ SetAttributes(*charStyle);
+}
+
+wxRichTextImage::~wxRichTextImage()
+{
+}
+
+void wxRichTextImage::Init()
+{
+ m_originalImageSize = wxSize(-1, -1);
+}
+
+/// Create a cached image at the required size
+bool wxRichTextImage::LoadImageCache(wxDC& dc, bool resetCache, const wxSize& parentSize)
+{
+ if (!m_imageBlock.IsOk())
+ return false;
+
+ // If we have an original image size, use that to compute the cached bitmap size
+ // instead of loading the image each time. This way we can avoid loading
+ // the image so long as the new cached bitmap size hasn't changed.
+
+ wxImage image;
+ if (resetCache || m_originalImageSize.GetWidth() <= 0 || m_originalImageSize.GetHeight() <= 0)
+ {
+ m_imageCache = wxNullBitmap;
+
+ m_imageBlock.Load(image);
+ if (!image.IsOk())
+ return false;
+
+ m_originalImageSize = wxSize(image.GetWidth(), image.GetHeight());
+ }
+
+ int width = m_originalImageSize.GetWidth();
+ int height = m_originalImageSize.GetHeight();
+
+ int parentWidth = 0;
+ int parentHeight = 0;
+
+ int maxWidth = -1;
+ int maxHeight = -1;
+
+ wxSize sz = parentSize;
+ if (sz == wxDefaultSize)
+ {
+ if (GetParent() && GetParent()->GetParent())
+ sz = GetParent()->GetParent()->GetCachedSize();
+ }
+
+ if (sz != wxDefaultSize)
+ {
+ wxRichTextBuffer* buffer = GetBuffer();
+ if (buffer)
+ {
+ // Find the actual space available when margin is taken into account
+ wxRect marginRect, borderRect, contentRect, paddingRect, outlineRect;
+ marginRect = wxRect(0, 0, sz.x, sz.y);
+ if (GetParent() && GetParent()->GetParent())
+ {
+ buffer->GetBoxRects(dc, buffer, GetParent()->GetParent()->GetAttributes(), marginRect, borderRect, contentRect, paddingRect, outlineRect);
+ sz = contentRect.GetSize();
+ }
+
+ // Use a minimum size to stop images becoming very small
+ parentWidth = wxMax(100, sz.GetWidth());
+ parentHeight = wxMax(100, sz.GetHeight());
+
+ if (buffer->GetRichTextCtrl())
+ // Start with a maximum width of the control size, even if not specified by the content,
+ // to minimize the amount of picture overlapping the right-hand side
+ maxWidth = parentWidth;
+ }
+ }
+
+ if (GetAttributes().GetTextBoxAttr().GetWidth().IsValid() && GetAttributes().GetTextBoxAttr().GetWidth().GetValue() > 0)
+ {
+ if (parentWidth > 0 && GetAttributes().GetTextBoxAttr().GetWidth().GetUnits() == wxTEXT_ATTR_UNITS_PERCENTAGE)
+ width = (int) ((GetAttributes().GetTextBoxAttr().GetWidth().GetValue() * parentWidth)/100.0);
+ else if (GetAttributes().GetTextBoxAttr().GetWidth().GetUnits() == wxTEXT_ATTR_UNITS_TENTHS_MM)
+ width = ConvertTenthsMMToPixels(dc, GetAttributes().GetTextBoxAttr().GetWidth().GetValue());
+ else if (GetAttributes().GetTextBoxAttr().GetWidth().GetUnits() == wxTEXT_ATTR_UNITS_PIXELS)
+ width = GetAttributes().GetTextBoxAttr().GetWidth().GetValue();
+ }
+
+ // Limit to max width
+
+ if (GetAttributes().GetTextBoxAttr().GetMaxSize().GetWidth().IsValid() && GetAttributes().GetTextBoxAttr().GetMaxSize().GetWidth().GetValue() > 0)
+ {
+ int mw = -1;
+
+ if (parentWidth > 0 && GetAttributes().GetTextBoxAttr().GetMaxSize().GetWidth().GetUnits() == wxTEXT_ATTR_UNITS_PERCENTAGE)
+ mw = (int) ((GetAttributes().GetTextBoxAttr().GetMaxSize().GetWidth().GetValue() * parentWidth)/100.0);
+ else if (GetAttributes().GetTextBoxAttr().GetMaxSize().GetWidth().GetUnits() == wxTEXT_ATTR_UNITS_TENTHS_MM)
+ mw = ConvertTenthsMMToPixels(dc, GetAttributes().GetTextBoxAttr().GetMaxSize().GetWidth().GetValue());
+ else if (GetAttributes().GetTextBoxAttr().GetMaxSize().GetWidth().GetUnits() == wxTEXT_ATTR_UNITS_PIXELS)
+ mw = GetAttributes().GetTextBoxAttr().GetMaxSize().GetWidth().GetValue();
+
+ // If we already have a smaller max width due to the constraints of the control size,
+ // don't use the larger max width.
+ if (mw != -1 && ((maxWidth == -1) || (mw < maxWidth)))
+ maxWidth = mw;
+ }
+
+ if (maxWidth > 0 && width > maxWidth)
+ width = maxWidth;
+
+ // Preserve the aspect ratio
+ if (width != m_originalImageSize.GetWidth())
+ height = (int) (float(m_originalImageSize.GetHeight()) * (float(width)/float(m_originalImageSize.GetWidth())));
+
+ if (GetAttributes().GetTextBoxAttr().GetHeight().IsValid() && GetAttributes().GetTextBoxAttr().GetHeight().GetValue() > 0)
+ {
+ if (parentHeight > 0 && GetAttributes().GetTextBoxAttr().GetHeight().GetUnits() == wxTEXT_ATTR_UNITS_PERCENTAGE)
+ height = (int) ((GetAttributes().GetTextBoxAttr().GetHeight().GetValue() * parentHeight)/100.0);
+ else if (GetAttributes().GetTextBoxAttr().GetHeight().GetUnits() == wxTEXT_ATTR_UNITS_TENTHS_MM)
+ height = ConvertTenthsMMToPixels(dc, GetAttributes().GetTextBoxAttr().GetHeight().GetValue());
+ else if (GetAttributes().GetTextBoxAttr().GetHeight().GetUnits() == wxTEXT_ATTR_UNITS_PIXELS)
+ height = GetAttributes().GetTextBoxAttr().GetHeight().GetValue();
+
+ // Preserve the aspect ratio
+ if (height != m_originalImageSize.GetHeight())
+ width = (int) (float(m_originalImageSize.GetWidth()) * (float(height)/float(m_originalImageSize.GetHeight())));
+ }
+
+ // Limit to max height
+
+ if (GetAttributes().GetTextBoxAttr().GetMaxSize().GetHeight().IsValid() && GetAttributes().GetTextBoxAttr().GetMaxSize().GetHeight().GetValue() > 0)
+ {
+ if (parentHeight > 0 && GetAttributes().GetTextBoxAttr().GetMaxSize().GetHeight().GetUnits() == wxTEXT_ATTR_UNITS_PERCENTAGE)
+ maxHeight = (int) ((GetAttributes().GetTextBoxAttr().GetMaxSize().GetHeight().GetValue() * parentHeight)/100.0);
+ else if (GetAttributes().GetTextBoxAttr().GetMaxSize().GetHeight().GetUnits() == wxTEXT_ATTR_UNITS_TENTHS_MM)
+ maxHeight = ConvertTenthsMMToPixels(dc, GetAttributes().GetTextBoxAttr().GetMaxSize().GetHeight().GetValue());
+ else if (GetAttributes().GetTextBoxAttr().GetMaxSize().GetHeight().GetUnits() == wxTEXT_ATTR_UNITS_PIXELS)
+ maxHeight = GetAttributes().GetTextBoxAttr().GetMaxSize().GetHeight().GetValue();
+ }
+
+ if (maxHeight > 0 && height > maxHeight)
+ {
+ height = maxHeight;
+
+ // Preserve the aspect ratio
+ if (height != m_originalImageSize.GetHeight())
+ width = (int) (float(m_originalImageSize.GetWidth()) * (float(height)/float(m_originalImageSize.GetHeight())));
+ }
+
+ // Prevent the use of zero size
+ width = wxMax(1, width);
+ height = wxMax(1, height);
+
+ if (m_imageCache.IsOk() && m_imageCache.GetWidth() == width && m_imageCache.GetHeight() == height)
+ {
+ // Do nothing, we didn't need to change the image cache
+ }
+ else
+ {
+ if (!image.IsOk())
+ {
+ m_imageBlock.Load(image);
+ if (!image.IsOk())
+ return false;
+ }
+
+ if (image.GetWidth() == width && image.GetHeight() == height)
+ m_imageCache = wxBitmap(image);
+ else
+ {
+ // If the original width and height is small, e.g. 400 or below,
+ // scale up and then down to improve image quality. This can make
+ // a big difference, with not much performance hit.
+ int upscaleThreshold = 400;
+ wxImage img;
+ if (image.GetWidth() <= upscaleThreshold || image.GetHeight() <= upscaleThreshold)
+ {
+ img = image.Scale(image.GetWidth()*2, image.GetHeight()*2);
+ img.Rescale(width, height, wxIMAGE_QUALITY_HIGH);
+ }
+ else
+ img = image.Scale(width, height, wxIMAGE_QUALITY_HIGH);
+ m_imageCache = wxBitmap(img);
+ }
+ }
+
+ return m_imageCache.IsOk();
+}
+
+/// Draw the item
+bool wxRichTextImage::Draw(wxDC& dc, wxRichTextDrawingContext& context, const wxRichTextRange& WXUNUSED(range), const wxRichTextSelection& selection, const wxRect& rect, int WXUNUSED(descent), int WXUNUSED(style))
+{
+ if (!IsShown())
+ return true;
+
+ // Don't need cached size AFAIK
+ // wxSize size = GetCachedSize();
+ if (!LoadImageCache(dc))
+ return false;
+
+ wxRichTextAttr attr(GetAttributes());
+ context.ApplyVirtualAttributes(attr, this);
+
+ DrawBoxAttributes(dc, GetBuffer(), attr, wxRect(rect.GetPosition(), GetCachedSize()));
+
+ wxSize imageSize(m_imageCache.GetWidth(), m_imageCache.GetHeight());
+ wxRect marginRect, borderRect, contentRect, paddingRect, outlineRect;
+ marginRect = rect; // outer rectangle, will calculate contentRect
+ GetBoxRects(dc, GetBuffer(), attr, marginRect, borderRect, contentRect, paddingRect, outlineRect);
+
+ dc.DrawBitmap(m_imageCache, contentRect.x, contentRect.y, true);
+
+ if (selection.WithinSelection(GetRange().GetStart(), this))
+ {
+ wxCheckSetBrush(dc, *wxBLACK_BRUSH);
+ wxCheckSetPen(dc, *wxBLACK_PEN);
+ dc.SetLogicalFunction(wxINVERT);
+ dc.DrawRectangle(contentRect);
+ dc.SetLogicalFunction(wxCOPY);
+ }
+
+ return true;
+}
+
+/// Lay the item out
+bool wxRichTextImage::Layout(wxDC& dc, wxRichTextDrawingContext& context, const wxRect& rect, const wxRect& WXUNUSED(parentRect), int WXUNUSED(style))
+{
+ if (!LoadImageCache(dc))
+ return false;
+
+ wxSize imageSize(m_imageCache.GetWidth(), m_imageCache.GetHeight());
+ wxRect marginRect, borderRect, contentRect, paddingRect, outlineRect;
+ contentRect = wxRect(wxPoint(0,0), imageSize);
+
+ wxRichTextAttr attr(GetAttributes());
+ context.ApplyVirtualAttributes(attr, this);
+
+ GetBoxRects(dc, GetBuffer(), attr, marginRect, borderRect, contentRect, paddingRect, outlineRect);
+
+ wxSize overallSize = marginRect.GetSize();
+
+ SetCachedSize(overallSize);
+ SetMaxSize(overallSize);
+ SetMinSize(overallSize);
+ SetPosition(rect.GetPosition());
+
+ return true;
+}
+
+/// Get/set the object size for the given range. Returns false if the range
+/// is invalid for this object.
+bool wxRichTextImage::GetRangeSize(const wxRichTextRange& range, wxSize& size, int& WXUNUSED(descent), wxDC& dc, wxRichTextDrawingContext& context, int WXUNUSED(flags), const wxPoint& WXUNUSED(position), const wxSize& parentSize, wxArrayInt* partialExtents) const
+{
+ if (!range.IsWithin(GetRange()))
+ return false;
+
+ if (!((wxRichTextImage*)this)->LoadImageCache(dc, false, parentSize))
+ {
+ size.x = 0; size.y = 0;
+ if (partialExtents)
+ partialExtents->Add(0);
+ return false;
+ }
+
+ wxRichTextAttr attr(GetAttributes());
+ context.ApplyVirtualAttributes(attr, (wxRichTextObject*) this);
+
+ wxSize imageSize(m_imageCache.GetWidth(), m_imageCache.GetHeight());
+ wxRect marginRect, borderRect, contentRect, paddingRect, outlineRect;
+ contentRect = wxRect(wxPoint(0,0), imageSize);
+ GetBoxRects(dc, GetBuffer(), attr, marginRect, borderRect, contentRect, paddingRect, outlineRect);
+
+ wxSize overallSize = marginRect.GetSize();
+
+ if (partialExtents)
+ partialExtents->Add(overallSize.x);
+
+ size = overallSize;
+
+ return true;
+}
+
+// Get the 'natural' size for an object. For an image, it would be the
+// image size.
+wxTextAttrSize wxRichTextImage::GetNaturalSize() const
+{
+ wxTextAttrSize size;
+ if (GetImageCache().IsOk())
+ {
+ size.SetWidth(GetImageCache().GetWidth(), wxTEXT_ATTR_UNITS_PIXELS);
+ size.SetHeight(GetImageCache().GetHeight(), wxTEXT_ATTR_UNITS_PIXELS);
+ }
+ return size;
+}
+
+
+/// Copy
+void wxRichTextImage::Copy(const wxRichTextImage& obj)
+{
+ wxRichTextObject::Copy(obj);
+
+ m_imageBlock = obj.m_imageBlock;
+ m_originalImageSize = obj.m_originalImageSize;
+}
+
+/// Edit properties via a GUI
+bool wxRichTextImage::EditProperties(wxWindow* parent, wxRichTextBuffer* buffer)
+{
+ wxRichTextObjectPropertiesDialog imageDlg(this, wxGetTopLevelParent(parent), wxID_ANY, _("Picture Properties"));
+ imageDlg.SetAttributes(GetAttributes());
+
+ if (imageDlg.ShowModal() == wxID_OK)
+ {
+ // By passing wxRICHTEXT_SETSTYLE_RESET, indeterminate attributes set by the user will be set as
+ // indeterminate in the object.
+ imageDlg.ApplyStyle(buffer->GetRichTextCtrl(), wxRICHTEXT_SETSTYLE_WITH_UNDO|wxRICHTEXT_SETSTYLE_RESET);
+ return true;
+ }
+ else
+ return false;
+}
+
+/*!
+ * Utilities
+ *
+ */
+
+/// Compare two attribute objects
+bool wxTextAttrEq(const wxRichTextAttr& attr1, const wxRichTextAttr& attr2)
+{
+ return (attr1 == attr2);
+}
+
+/// Compare tabs
+bool wxRichTextTabsEq(const wxArrayInt& tabs1, const wxArrayInt& tabs2)
+{
+ if (tabs1.GetCount() != tabs2.GetCount())
+ return false;
+
+ size_t i;
+ for (i = 0; i < tabs1.GetCount(); i++)
+ {
+ if (tabs1[i] != tabs2[i])
+ return false;
+ }
+ return true;
+}
+
+bool wxRichTextApplyStyle(wxRichTextAttr& destStyle, const wxRichTextAttr& style, wxRichTextAttr* compareWith)
+{
+ return destStyle.Apply(style, compareWith);
+}
+
+// Remove attributes
+bool wxRichTextRemoveStyle(wxRichTextAttr& destStyle, const wxRichTextAttr& style)
+{
+ return destStyle.RemoveStyle(style);
+}
+
+/// Combine two bitlists, specifying the bits of interest with separate flags.
+bool wxRichTextCombineBitlists(int& valueA, int valueB, int& flagsA, int flagsB)
+{
+ return wxRichTextAttr::CombineBitlists(valueA, valueB, flagsA, flagsB);
+}
+
+/// Compare two bitlists
+bool wxRichTextBitlistsEqPartial(int valueA, int valueB, int flags)
+{
+ return wxRichTextAttr::BitlistsEqPartial(valueA, valueB, flags);
+}
+
+/// Split into paragraph and character styles
+bool wxRichTextSplitParaCharStyles(const wxRichTextAttr& style, wxRichTextAttr& parStyle, wxRichTextAttr& charStyle)
+{
+ return wxRichTextAttr::SplitParaCharStyles(style, parStyle, charStyle);
+}
+
+/// Convert a decimal to Roman numerals
+wxString wxRichTextDecimalToRoman(long n)
+{
+ static wxArrayInt decimalNumbers;
+ static wxArrayString romanNumbers;
+
+ // Clean up arrays
+ if (n == -1)
+ {
+ decimalNumbers.Clear();
+ romanNumbers.Clear();
+ return wxEmptyString;
+ }
+
+ if (decimalNumbers.GetCount() == 0)
+ {
+ #define wxRichTextAddDecRom(n, r) decimalNumbers.Add(n); romanNumbers.Add(r);
+
+ wxRichTextAddDecRom(1000, wxT("M"));
+ wxRichTextAddDecRom(900, wxT("CM"));
+ wxRichTextAddDecRom(500, wxT("D"));
+ wxRichTextAddDecRom(400, wxT("CD"));
+ wxRichTextAddDecRom(100, wxT("C"));
+ wxRichTextAddDecRom(90, wxT("XC"));
+ wxRichTextAddDecRom(50, wxT("L"));
+ wxRichTextAddDecRom(40, wxT("XL"));
+ wxRichTextAddDecRom(10, wxT("X"));
+ wxRichTextAddDecRom(9, wxT("IX"));
+ wxRichTextAddDecRom(5, wxT("V"));
+ wxRichTextAddDecRom(4, wxT("IV"));
+ wxRichTextAddDecRom(1, wxT("I"));
+ }
+
+ int i = 0;
+ wxString roman;
+
+ while (n > 0 && i < 13)
+ {
+ if (n >= decimalNumbers[i])
+ {
+ n -= decimalNumbers[i];
+ roman += romanNumbers[i];
+ }
+ else
+ {
+ i ++;
+ }
+ }
+ if (roman.IsEmpty())
+ roman = wxT("0");
+ return roman;
+}
+
+/*!
+ * wxRichTextFileHandler
+ * Base class for file handlers
+ */
+
+IMPLEMENT_CLASS(wxRichTextFileHandler, wxObject)
+
+#if wxUSE_FFILE && wxUSE_STREAMS
+bool wxRichTextFileHandler::LoadFile(wxRichTextBuffer *buffer, const wxString& filename)
+{
+ wxFFileInputStream stream(filename);
+ if (stream.IsOk())
+ return LoadFile(buffer, stream);
+
+ return false;
+}
+
+bool wxRichTextFileHandler::SaveFile(wxRichTextBuffer *buffer, const wxString& filename)
+{
+ wxFFileOutputStream stream(filename);
+ if (stream.IsOk())
+ return SaveFile(buffer, stream);
+
+ return false;
+}
+#endif // wxUSE_FFILE && wxUSE_STREAMS
+
+/// Can we handle this filename (if using files)? By default, checks the extension.
+bool wxRichTextFileHandler::CanHandle(const wxString& filename) const
+{
+ wxString path, file, ext;
+ wxFileName::SplitPath(filename, & path, & file, & ext);
+
+ return (ext.Lower() == GetExtension());
+}
+
+/*!
+ * wxRichTextTextHandler
+ * Plain text handler
+ */
+
+IMPLEMENT_CLASS(wxRichTextPlainTextHandler, wxRichTextFileHandler)
+
+#if wxUSE_STREAMS
+bool wxRichTextPlainTextHandler::DoLoadFile(wxRichTextBuffer *buffer, wxInputStream& stream)
+{
+ if (!stream.IsOk())
+ return false;
+
+ wxString str;
+ int lastCh = 0;
+
+ while (!stream.Eof())
+ {
+ int ch = stream.GetC();
+
+ if (!stream.Eof())
+ {
+ if (ch == 10 && lastCh != 13)
+ str += wxT('\n');
+
+ if (ch > 0 && ch != 10)
+ str += wxChar(ch);
+
+ lastCh = ch;
+ }
+ }
+
+ buffer->ResetAndClearCommands();
+ buffer->Clear();
+ buffer->AddParagraphs(str);
+ buffer->UpdateRanges();
+
+ return true;
+}
+
+bool wxRichTextPlainTextHandler::DoSaveFile(wxRichTextBuffer *buffer, wxOutputStream& stream)
+{
+ if (!stream.IsOk())
+ return false;
+
+ wxString text = buffer->GetText();
+
+ wxString newLine = wxRichTextLineBreakChar;
+ text.Replace(newLine, wxT("\n"));
+
+ wxCharBuffer buf = text.ToAscii();
+
+ stream.Write((const char*) buf, text.length());
+ return true;
+}
+#endif // wxUSE_STREAMS
+
+/*
+ * Stores information about an image, in binary in-memory form
+ */
+
+wxRichTextImageBlock::wxRichTextImageBlock()
+{
+ Init();
+}
+
+wxRichTextImageBlock::wxRichTextImageBlock(const wxRichTextImageBlock& block):wxObject()
+{
+ Init();
+ Copy(block);
+}
+
+wxRichTextImageBlock::~wxRichTextImageBlock()
+{
+ wxDELETEA(m_data);
+}
+
+void wxRichTextImageBlock::Init()
+{
+ m_data = NULL;
+ m_dataSize = 0;
+ m_imageType = wxBITMAP_TYPE_INVALID;
+}
+
+void wxRichTextImageBlock::Clear()
+{
+ wxDELETEA(m_data);
+ m_dataSize = 0;
+ m_imageType = wxBITMAP_TYPE_INVALID;
+}
+
+
+// Load the original image into a memory block.
+// If the image is not a JPEG, we must convert it into a JPEG
+// to conserve space.
+// If it's not a JPEG we can make use of 'image', already scaled, so we don't have to
+// load the image a 2nd time.
+
+bool wxRichTextImageBlock::MakeImageBlock(const wxString& filename, wxBitmapType imageType,
+ wxImage& image, bool convertToJPEG)
+{
+ m_imageType = imageType;
+
+ wxString filenameToRead(filename);
+ bool removeFile = false;
+
+ if (imageType == wxBITMAP_TYPE_INVALID)
+ return false; // Could not determine image type
+
+ if ((imageType != wxBITMAP_TYPE_JPEG) && convertToJPEG)
+ {
+ wxString tempFile =
+ wxFileName::CreateTempFileName(_("image"));
+
+ wxASSERT(!tempFile.IsEmpty());
+
+ image.SaveFile(tempFile, wxBITMAP_TYPE_JPEG);
+ filenameToRead = tempFile;
+ removeFile = true;
+
+ m_imageType = wxBITMAP_TYPE_JPEG;
+ }
+ wxFile file;
+ if (!file.Open(filenameToRead))
+ return false;
+
+ m_dataSize = (size_t) file.Length();
+ file.Close();
+
+ if (m_data)
+ delete[] m_data;
+ m_data = ReadBlock(filenameToRead, m_dataSize);
+
+ if (removeFile)
+ wxRemoveFile(filenameToRead);
+
+ return (m_data != NULL);
+}
+
+// Make an image block from the wxImage in the given
+// format.
+bool wxRichTextImageBlock::MakeImageBlock(wxImage& image, wxBitmapType imageType, int quality)
+{
+ image.SetOption(wxT("quality"), quality);
+
+ if (imageType == wxBITMAP_TYPE_INVALID)
+ return false; // Could not determine image type
+
+ return DoMakeImageBlock(image, imageType);
+}
+
+// Uses a const wxImage for efficiency, but can't set quality (only relevant for JPEG)
+bool wxRichTextImageBlock::MakeImageBlockDefaultQuality(const wxImage& image, wxBitmapType imageType)
+{
+ if (imageType == wxBITMAP_TYPE_INVALID)
+ return false; // Could not determine image type
+
+ return DoMakeImageBlock(image, imageType);
+}
+
+// Makes the image block
+bool wxRichTextImageBlock::DoMakeImageBlock(const wxImage& image, wxBitmapType imageType)
+{
+ wxMemoryOutputStream memStream;
+ if (!image.SaveFile(memStream, imageType))
+ {
+ return false;
+ }
+
+ unsigned char* block = new unsigned char[memStream.GetSize()];
+ if (!block)
+ return false;
+
+ if (m_data)
+ delete[] m_data;
+ m_data = block;
+
+ m_imageType = imageType;
+ m_dataSize = memStream.GetSize();
+
+ memStream.CopyTo(m_data, m_dataSize);
+
+ return (m_data != NULL);
+}
+
+// Write to a file
+bool wxRichTextImageBlock::Write(const wxString& filename)
+{
+ return WriteBlock(filename, m_data, m_dataSize);
+}
+
+void wxRichTextImageBlock::Copy(const wxRichTextImageBlock& block)
+{
+ m_imageType = block.m_imageType;
+ wxDELETEA(m_data);
+ m_dataSize = block.m_dataSize;
+ if (m_dataSize == 0)
+ return;
+
+ m_data = new unsigned char[m_dataSize];
+ unsigned int i;
+ for (i = 0; i < m_dataSize; i++)
+ m_data[i] = block.m_data[i];
+}
+
+//// Operators
+void wxRichTextImageBlock::operator=(const wxRichTextImageBlock& block)
+{
+ Copy(block);
+}
+
+// Load a wxImage from the block
+bool wxRichTextImageBlock::Load(wxImage& image)
+{
+ if (!m_data)
+ return false;
+
+ // Read in the image.
+#if wxUSE_STREAMS
+ wxMemoryInputStream mstream(m_data, m_dataSize);
+ bool success = image.LoadFile(mstream, GetImageType());
+#else
+ wxString tempFile = wxFileName::CreateTempFileName(_("image"));
+ wxASSERT(!tempFile.IsEmpty());
+
+ if (!WriteBlock(tempFile, m_data, m_dataSize))
+ {
+ return false;
+ }
+ success = image.LoadFile(tempFile, GetImageType());
+ wxRemoveFile(tempFile);
+#endif
+
+ return success;
+}
+
+// Write data in hex to a stream
+bool wxRichTextImageBlock::WriteHex(wxOutputStream& stream)
+{
+ if (m_dataSize == 0)
+ return true;
+
+ int bufSize = 100000;
+ if (int(2*m_dataSize) < bufSize)
+ bufSize = 2*m_dataSize;
+ char* buf = new char[bufSize+1];
+
+ int left = m_dataSize;
+ int n, i, j;
+ j = 0;
+ while (left > 0)
+ {
+ if (left*2 > bufSize)
+ {
+ n = bufSize; left -= (bufSize/2);
+ }
+ else
+ {
+ n = left*2; left = 0;
+ }
+
+ char* b = buf;
+ for (i = 0; i < (n/2); i++)
+ {
+ wxDecToHex(m_data[j], b, b+1);
+ b += 2; j ++;
+ }
+
+ buf[n] = 0;
+ stream.Write((const char*) buf, n);
+ }
+ delete[] buf;
+ return true;
+}
+
+// Read data in hex from a stream
+bool wxRichTextImageBlock::ReadHex(wxInputStream& stream, int length, wxBitmapType imageType)
+{
+ int dataSize = length/2;
+
+ if (m_data)
+ delete[] m_data;
+
+ // create a null terminated temporary string:
+ char str[3];
+ str[2] = '\0';
+
+ m_data = new unsigned char[dataSize];
+ int i;
+ for (i = 0; i < dataSize; i ++)
+ {
+ str[0] = (char)stream.GetC();
+ str[1] = (char)stream.GetC();
+
+ m_data[i] = (unsigned char)wxHexToDec(str);
+ }
+
+ m_dataSize = dataSize;
+ m_imageType = imageType;
+
+ return true;
+}
+
+// Allocate and read from stream as a block of memory
+unsigned char* wxRichTextImageBlock::ReadBlock(wxInputStream& stream, size_t size)
+{
+ unsigned char* block = new unsigned char[size];
+ if (!block)
+ return NULL;
+
+ stream.Read(block, size);
+
+ return block;
+}
+
+unsigned char* wxRichTextImageBlock::ReadBlock(const wxString& filename, size_t size)
+{
+ wxFileInputStream stream(filename);
+ if (!stream.IsOk())
+ return NULL;
+
+ return ReadBlock(stream, size);
+}
+
+// Write memory block to stream
+bool wxRichTextImageBlock::WriteBlock(wxOutputStream& stream, unsigned char* block, size_t size)
+{
+ stream.Write((void*) block, size);
+ return stream.IsOk();
+
+}
+
+// Write memory block to file
+bool wxRichTextImageBlock::WriteBlock(const wxString& filename, unsigned char* block, size_t size)
+{
+ wxFileOutputStream outStream(filename);
+ if (!outStream.IsOk())
+ return false;
+
+ return WriteBlock(outStream, block, size);
+}
+
+// Gets the extension for the block's type
+wxString wxRichTextImageBlock::GetExtension() const
+{
+ wxImageHandler* handler = wxImage::FindHandler(GetImageType());
+ if (handler)
+ return handler->GetExtension();
+ else
+ return wxEmptyString;
+}
+
+#if wxUSE_DATAOBJ
+
+/*!
+ * The data object for a wxRichTextBuffer
+ */
+
+const wxChar *wxRichTextBufferDataObject::ms_richTextBufferFormatId = wxT("wxRichText");
+
+wxRichTextBufferDataObject::wxRichTextBufferDataObject(wxRichTextBuffer* richTextBuffer)
+{
+ m_richTextBuffer = richTextBuffer;
+
+ // this string should uniquely identify our format, but is otherwise
+ // arbitrary
+ m_formatRichTextBuffer.SetId(GetRichTextBufferFormatId());
+
+ SetFormat(m_formatRichTextBuffer);
+}
+
+wxRichTextBufferDataObject::~wxRichTextBufferDataObject()
+{
+ delete m_richTextBuffer;
+}
+
+// after a call to this function, the richTextBuffer is owned by the caller and it
+// is responsible for deleting it!
+wxRichTextBuffer* wxRichTextBufferDataObject::GetRichTextBuffer()
+{
+ wxRichTextBuffer* richTextBuffer = m_richTextBuffer;
+ m_richTextBuffer = NULL;
+
+ return richTextBuffer;
+}
+
+wxDataFormat wxRichTextBufferDataObject::GetPreferredFormat(Direction WXUNUSED(dir)) const
+{
+ return m_formatRichTextBuffer;
+}
+
+size_t wxRichTextBufferDataObject::GetDataSize() const
+{
+ if (!m_richTextBuffer)
+ return 0;
+
+ wxString bufXML;
+
+ {
+ wxStringOutputStream stream(& bufXML);
+ if (!m_richTextBuffer->SaveFile(stream, wxRICHTEXT_TYPE_XML))
+ {
+ wxLogError(wxT("Could not write the buffer to an XML stream.\nYou may have forgotten to add the XML file handler."));
+ return 0;
+ }
+ }
+
+#if wxUSE_UNICODE
+ wxCharBuffer buffer = bufXML.mb_str(wxConvUTF8);
+ return strlen(buffer) + 1;
+#else
+ return bufXML.Length()+1;
+#endif
+}
+
+bool wxRichTextBufferDataObject::GetDataHere(void *pBuf) const
+{
+ if (!pBuf || !m_richTextBuffer)
+ return false;
+
+ wxString bufXML;
+
+ {
+ wxStringOutputStream stream(& bufXML);
+ if (!m_richTextBuffer->SaveFile(stream, wxRICHTEXT_TYPE_XML))
+ {
+ wxLogError(wxT("Could not write the buffer to an XML stream.\nYou may have forgotten to add the XML file handler."));
+ return 0;
+ }
+ }
+
+#if wxUSE_UNICODE
+ wxCharBuffer buffer = bufXML.mb_str(wxConvUTF8);
+ size_t len = strlen(buffer);
+ memcpy((char*) pBuf, (const char*) buffer, len);
+ ((char*) pBuf)[len] = 0;
+#else
+ size_t len = bufXML.Length();
+ memcpy((char*) pBuf, (const char*) bufXML.c_str(), len);
+ ((char*) pBuf)[len] = 0;
+#endif
+
+ return true;
+}
+
+bool wxRichTextBufferDataObject::SetData(size_t WXUNUSED(len), const void *buf)
+{
+ wxDELETE(m_richTextBuffer);
+
+ wxString bufXML((const char*) buf, wxConvUTF8);
+
+ m_richTextBuffer = new wxRichTextBuffer;
+
+ wxStringInputStream stream(bufXML);
+ if (!m_richTextBuffer->LoadFile(stream, wxRICHTEXT_TYPE_XML))
+ {
+ wxLogError(wxT("Could not read the buffer from an XML stream.\nYou may have forgotten to add the XML file handler."));
+
+ wxDELETE(m_richTextBuffer);
+
+ return false;
+ }
+ return true;
+}
+
+#endif
+ // wxUSE_DATAOBJ
+
+
+/*
+ * wxRichTextFontTable
+ * Manages quick access to a pool of fonts for rendering rich text
+ */
+
+WX_DECLARE_STRING_HASH_MAP_WITH_DECL(wxFont, wxRichTextFontTableHashMap, class WXDLLIMPEXP_RICHTEXT);
+
+class wxRichTextFontTableData: public wxObjectRefData
+{
+public:
+ wxRichTextFontTableData() {}
+
+ wxFont FindFont(const wxRichTextAttr& fontSpec, double fontScale);
+
+ wxRichTextFontTableHashMap m_hashMap;
+};
+
+wxFont wxRichTextFontTableData::FindFont(const wxRichTextAttr& fontSpec, double fontScale)
+{
+ wxString facename(fontSpec.GetFontFaceName());
+
+ int fontSize = fontSpec.GetFontSize();
+ if (fontScale != 1.0)
+ fontSize = (int) ((double(fontSize) * fontScale) + 0.5);
+
+ wxString units;
+ if (fontSpec.HasFontPixelSize() && !fontSpec.HasFontPointSize())
+ units = wxT("px");
+ else
+ units = wxT("pt");
+ wxString spec = wxString::Format(wxT("%d-%s-%d-%d-%d-%d-%s-%d"),
+ fontSize, units.c_str(), fontSpec.GetFontStyle(), fontSpec.GetFontWeight(), (int) fontSpec.GetFontUnderlined(), (int) fontSpec.GetFontStrikethrough(),
+ facename.c_str(), (int) fontSpec.GetFontEncoding());
+
+ wxRichTextFontTableHashMap::iterator entry = m_hashMap.find(spec);
+ if ( entry == m_hashMap.end() )
+ {
+ if (fontSpec.HasFontPixelSize() && !fontSpec.HasFontPointSize())
+ {
+ wxFont font(wxSize(0, fontSize), wxFONTFAMILY_DEFAULT, fontSpec.GetFontStyle(), fontSpec.GetFontWeight(), fontSpec.GetFontUnderlined(), facename);
+ if (fontSpec.HasFontStrikethrough() && fontSpec.GetFontStrikethrough())
+ font.SetStrikethrough(true);
+ m_hashMap[spec] = font;
+ return font;
+ }
+ else
+ {
+ wxFont font(fontSize, wxFONTFAMILY_DEFAULT, fontSpec.GetFontStyle(), fontSpec.GetFontWeight(), fontSpec.GetFontUnderlined(), facename.c_str());
+ if (fontSpec.HasFontStrikethrough() && fontSpec.GetFontStrikethrough())
+ font.SetStrikethrough(true);
+
+ m_hashMap[spec] = font;
+ return font;
+ }
+ }
+ else
+ {
+ return entry->second;
+ }
+}
+
+IMPLEMENT_DYNAMIC_CLASS(wxRichTextFontTable, wxObject)
+
+wxRichTextFontTable::wxRichTextFontTable()
+{
+ m_refData = new wxRichTextFontTableData;
+ m_fontScale = 1.0;
+}
+
+wxRichTextFontTable::wxRichTextFontTable(const wxRichTextFontTable& table)
+ : wxObject()
+{
+ (*this) = table;
+}
+
+wxRichTextFontTable::~wxRichTextFontTable()
+{
+ UnRef();
+}
+
+bool wxRichTextFontTable::operator == (const wxRichTextFontTable& table) const
+{
+ return (m_refData == table.m_refData);
+}
+
+void wxRichTextFontTable::operator= (const wxRichTextFontTable& table)
+{
+ Ref(table);
+ m_fontScale = table.m_fontScale;
+}
+
+wxFont wxRichTextFontTable::FindFont(const wxRichTextAttr& fontSpec)
+{
+ wxRichTextFontTableData* data = (wxRichTextFontTableData*) m_refData;
+ if (data)
+ return data->FindFont(fontSpec, m_fontScale);
+ else
+ return wxFont();
+}
+
+void wxRichTextFontTable::Clear()
+{
+ wxRichTextFontTableData* data = (wxRichTextFontTableData*) m_refData;
+ if (data)
+ data->m_hashMap.clear();
+}
+
+void wxRichTextFontTable::SetFontScale(double fontScale)
+{
+ if (fontScale != m_fontScale)
+ Clear();
+ m_fontScale = fontScale;
+}
+
+// wxTextBoxAttr
+
+void wxTextBoxAttr::Reset()
+{
+ m_flags = 0;
+ m_floatMode = wxTEXT_BOX_ATTR_FLOAT_NONE;
+ m_clearMode = wxTEXT_BOX_ATTR_CLEAR_NONE;
+ m_collapseMode = wxTEXT_BOX_ATTR_COLLAPSE_NONE;
+ m_verticalAlignment = wxTEXT_BOX_ATTR_VERTICAL_ALIGNMENT_NONE;
+ m_boxStyleName = wxEmptyString;
+
+ m_margins.Reset();
+ m_padding.Reset();
+ m_position.Reset();
+
+ m_size.Reset();
+ m_minSize.Reset();
+ m_maxSize.Reset();
+
+ m_border.Reset();
+ m_outline.Reset();
+}
+
+// Equality test
+bool wxTextBoxAttr::operator== (const wxTextBoxAttr& attr) const
+{
+ return (
+ m_flags == attr.m_flags &&
+ m_floatMode == attr.m_floatMode &&
+ m_clearMode == attr.m_clearMode &&
+ m_collapseMode == attr.m_collapseMode &&
+ m_verticalAlignment == attr.m_verticalAlignment &&
+
+ m_margins == attr.m_margins &&
+ m_padding == attr.m_padding &&
+ m_position == attr.m_position &&
+
+ m_size == attr.m_size &&
+ m_minSize == attr.m_minSize &&
+ m_maxSize == attr.m_maxSize &&
+
+ m_border == attr.m_border &&
+ m_outline == attr.m_outline &&
+
+ m_boxStyleName == attr.m_boxStyleName
+ );
+}
+
+// Partial equality test
+bool wxTextBoxAttr::EqPartial(const wxTextBoxAttr& attr, bool weakTest) const
+{
+ if (!weakTest &&
+ ((!HasFloatMode() && attr.HasFloatMode()) ||
+ (!HasClearMode() && attr.HasClearMode()) ||
+ (!HasCollapseBorders() && attr.HasCollapseBorders()) ||
+ (!HasVerticalAlignment() && attr.HasVerticalAlignment()) ||
+ (!HasBoxStyleName() && attr.HasBoxStyleName())))
+ {
+ return false;
+ }
+ if (attr.HasFloatMode() && HasFloatMode() && (GetFloatMode() != attr.GetFloatMode()))
+ return false;
+
+ if (attr.HasClearMode() && HasClearMode() && (GetClearMode() != attr.GetClearMode()))
+ return false;
+
+ if (attr.HasCollapseBorders() && HasCollapseBorders() && (attr.GetCollapseBorders() != GetCollapseBorders()))
+ return false;
+
+ if (attr.HasVerticalAlignment() && HasVerticalAlignment() && (attr.GetVerticalAlignment() != GetVerticalAlignment()))
+ return false;
+
+ if (attr.HasBoxStyleName() && HasBoxStyleName() && (attr.GetBoxStyleName() != GetBoxStyleName()))
+ return false;
+
+ // Position
+
+ if (!m_position.EqPartial(attr.m_position, weakTest))
+ return false;
+
+ // Size
+
+ if (!m_size.EqPartial(attr.m_size, weakTest))
+ return false;
+ if (!m_minSize.EqPartial(attr.m_minSize, weakTest))
+ return false;
+ if (!m_maxSize.EqPartial(attr.m_maxSize, weakTest))
+ return false;
+
+ // Margins
+
+ if (!m_margins.EqPartial(attr.m_margins, weakTest))
+ return false;
+
+ // Padding
+
+ if (!m_padding.EqPartial(attr.m_padding, weakTest))
+ return false;
+
+ // Border
+
+ if (!GetBorder().EqPartial(attr.GetBorder(), weakTest))
+ return false;
+
+ // Outline
+
+ if (!GetOutline().EqPartial(attr.GetOutline(), weakTest))
+ return false;
+
+ return true;
+}
+
+// Merges the given attributes. If compareWith
+// is non-NULL, then it will be used to mask out those attributes that are the same in style
+// and compareWith, for situations where we don't want to explicitly set inherited attributes.
+bool wxTextBoxAttr::Apply(const wxTextBoxAttr& attr, const wxTextBoxAttr* compareWith)
+{
+ if (attr.HasFloatMode())
+ {
+ if (!(compareWith && compareWith->HasFloatMode() && compareWith->GetFloatMode() == attr.GetFloatMode()))
+ SetFloatMode(attr.GetFloatMode());
+ }
+
+ if (attr.HasClearMode())
+ {
+ if (!(compareWith && compareWith->HasClearMode() && compareWith->GetClearMode() == attr.GetClearMode()))
+ SetClearMode(attr.GetClearMode());
+ }
+
+ if (attr.HasCollapseBorders())
+ {
+ if (!(compareWith && compareWith->HasCollapseBorders() && compareWith->GetCollapseBorders() == attr.GetCollapseBorders()))
+ SetCollapseBorders(attr.GetCollapseBorders());
+ }
+
+ if (attr.HasVerticalAlignment())
+ {
+ if (!(compareWith && compareWith->HasVerticalAlignment() && compareWith->GetVerticalAlignment() == attr.GetVerticalAlignment()))
+ SetVerticalAlignment(attr.GetVerticalAlignment());
+ }
+
+ if (attr.HasBoxStyleName())
+ {
+ if (!(compareWith && compareWith->HasBoxStyleName() && compareWith->GetBoxStyleName() == attr.GetBoxStyleName()))
+ SetBoxStyleName(attr.GetBoxStyleName());
+ }
+
+ m_margins.Apply(attr.m_margins, compareWith ? (& attr.m_margins) : (const wxTextAttrDimensions*) NULL);
+ m_padding.Apply(attr.m_padding, compareWith ? (& attr.m_padding) : (const wxTextAttrDimensions*) NULL);
+ m_position.Apply(attr.m_position, compareWith ? (& attr.m_position) : (const wxTextAttrDimensions*) NULL);
+
+ m_size.Apply(attr.m_size, compareWith ? (& attr.m_size) : (const wxTextAttrSize*) NULL);
+ m_minSize.Apply(attr.m_minSize, compareWith ? (& attr.m_minSize) : (const wxTextAttrSize*) NULL);
+ m_maxSize.Apply(attr.m_maxSize, compareWith ? (& attr.m_maxSize) : (const wxTextAttrSize*) NULL);
+
+ m_border.Apply(attr.m_border, compareWith ? (& attr.m_border) : (const wxTextAttrBorders*) NULL);
+ m_outline.Apply(attr.m_outline, compareWith ? (& attr.m_outline) : (const wxTextAttrBorders*) NULL);
+
+ return true;
+}
+
+// Remove specified attributes from this object
+bool wxTextBoxAttr::RemoveStyle(const wxTextBoxAttr& attr)
+{
+ if (attr.HasFloatMode())
+ RemoveFlag(wxTEXT_BOX_ATTR_FLOAT);
+
+ if (attr.HasClearMode())
+ RemoveFlag(wxTEXT_BOX_ATTR_CLEAR);
+
+ if (attr.HasCollapseBorders())
+ RemoveFlag(wxTEXT_BOX_ATTR_COLLAPSE_BORDERS);
+
+ if (attr.HasVerticalAlignment())
+ RemoveFlag(wxTEXT_BOX_ATTR_VERTICAL_ALIGNMENT);
+
+ if (attr.HasBoxStyleName())
+ {
+ SetBoxStyleName(wxEmptyString);
+ RemoveFlag(wxTEXT_BOX_ATTR_BOX_STYLE_NAME);
+ }
+
+ m_margins.RemoveStyle(attr.m_margins);
+ m_padding.RemoveStyle(attr.m_padding);
+ m_position.RemoveStyle(attr.m_position);
+
+ m_size.RemoveStyle(attr.m_size);
+ m_minSize.RemoveStyle(attr.m_minSize);
+ m_maxSize.RemoveStyle(attr.m_maxSize);
+
+ m_border.RemoveStyle(attr.m_border);
+ m_outline.RemoveStyle(attr.m_outline);
+
+ return true;
+}
+
+// Collects the attributes that are common to a range of content, building up a note of
+// which attributes are absent in some objects and which clash in some objects.
+void wxTextBoxAttr::CollectCommonAttributes(const wxTextBoxAttr& attr, wxTextBoxAttr& clashingAttr, wxTextBoxAttr& absentAttr)
+{
+ if (attr.HasFloatMode())
+ {
+ if (!clashingAttr.HasFloatMode() && !absentAttr.HasFloatMode())
+ {
+ if (HasFloatMode())
+ {
+ if (GetFloatMode() != attr.GetFloatMode())
+ {
+ clashingAttr.AddFlag(wxTEXT_BOX_ATTR_FLOAT);
+ RemoveFlag(wxTEXT_BOX_ATTR_FLOAT);
+ }
+ }
+ else
+ SetFloatMode(attr.GetFloatMode());
+ }
+ }
+ else
+ absentAttr.AddFlag(wxTEXT_BOX_ATTR_FLOAT);
+
+ if (attr.HasClearMode())
+ {
+ if (!clashingAttr.HasClearMode() && !absentAttr.HasClearMode())
+ {
+ if (HasClearMode())
+ {
+ if (GetClearMode() != attr.GetClearMode())
+ {
+ clashingAttr.AddFlag(wxTEXT_BOX_ATTR_CLEAR);
+ RemoveFlag(wxTEXT_BOX_ATTR_CLEAR);
+ }
+ }
+ else
+ SetClearMode(attr.GetClearMode());
+ }
+ }
+ else
+ absentAttr.AddFlag(wxTEXT_BOX_ATTR_CLEAR);
+
+ if (attr.HasCollapseBorders())
+ {
+ if (!clashingAttr.HasCollapseBorders() && !absentAttr.HasCollapseBorders())
+ {
+ if (HasCollapseBorders())
+ {
+ if (GetCollapseBorders() != attr.GetCollapseBorders())
+ {
+ clashingAttr.AddFlag(wxTEXT_BOX_ATTR_COLLAPSE_BORDERS);
+ RemoveFlag(wxTEXT_BOX_ATTR_COLLAPSE_BORDERS);
+ }
+ }
+ else
+ SetCollapseBorders(attr.GetCollapseBorders());
+ }
+ }
+ else
+ absentAttr.AddFlag(wxTEXT_BOX_ATTR_COLLAPSE_BORDERS);
+
+ if (attr.HasVerticalAlignment())
+ {
+ if (!clashingAttr.HasVerticalAlignment() && !absentAttr.HasVerticalAlignment())
+ {
+ if (HasVerticalAlignment())
+ {
+ if (GetVerticalAlignment() != attr.GetVerticalAlignment())
+ {
+ clashingAttr.AddFlag(wxTEXT_BOX_ATTR_VERTICAL_ALIGNMENT);
+ RemoveFlag(wxTEXT_BOX_ATTR_VERTICAL_ALIGNMENT);
+ }
+ }
+ else
+ SetVerticalAlignment(attr.GetVerticalAlignment());
+ }
+ }
+ else
+ absentAttr.AddFlag(wxTEXT_BOX_ATTR_VERTICAL_ALIGNMENT);
+
+ if (attr.HasBoxStyleName())
+ {
+ if (!clashingAttr.HasBoxStyleName() && !absentAttr.HasBoxStyleName())
+ {
+ if (HasBoxStyleName())
+ {
+ if (GetBoxStyleName() != attr.GetBoxStyleName())
+ {
+ clashingAttr.AddFlag(wxTEXT_BOX_ATTR_BOX_STYLE_NAME);
+ RemoveFlag(wxTEXT_BOX_ATTR_BOX_STYLE_NAME);
+ }
+ }
+ else
+ SetBoxStyleName(attr.GetBoxStyleName());
+ }
+ }
+ else
+ absentAttr.AddFlag(wxTEXT_BOX_ATTR_BOX_STYLE_NAME);
+
+ m_margins.CollectCommonAttributes(attr.m_margins, clashingAttr.m_margins, absentAttr.m_margins);
+ m_padding.CollectCommonAttributes(attr.m_padding, clashingAttr.m_padding, absentAttr.m_padding);
+ m_position.CollectCommonAttributes(attr.m_position, clashingAttr.m_position, absentAttr.m_position);
+
+ m_size.CollectCommonAttributes(attr.m_size, clashingAttr.m_size, absentAttr.m_size);
+ m_minSize.CollectCommonAttributes(attr.m_minSize, clashingAttr.m_minSize, absentAttr.m_minSize);
+ m_maxSize.CollectCommonAttributes(attr.m_maxSize, clashingAttr.m_maxSize, absentAttr.m_maxSize);
+
+ m_border.CollectCommonAttributes(attr.m_border, clashingAttr.m_border, absentAttr.m_border);
+ m_outline.CollectCommonAttributes(attr.m_outline, clashingAttr.m_outline, absentAttr.m_outline);
+}
+
+bool wxTextBoxAttr::IsDefault() const
+{
+ return GetFlags() == 0 && !m_border.IsValid() && !m_outline.IsValid() &&
+ !m_size.IsValid() && !m_minSize.IsValid() && !m_maxSize.IsValid() &&
+ !m_position.IsValid() && !m_padding.IsValid() && !m_margins.IsValid();
+}
+
+// wxRichTextAttr
+
+void wxRichTextAttr::Copy(const wxRichTextAttr& attr)
+{
+ wxTextAttr::Copy(attr);
+
+ m_textBoxAttr = attr.m_textBoxAttr;
+}
+
+bool wxRichTextAttr::operator==(const wxRichTextAttr& attr) const
+{
+ if (!(wxTextAttr::operator==(attr)))
+ return false;
+
+ return (m_textBoxAttr == attr.m_textBoxAttr);
+}
+
+// Partial equality test
+bool wxRichTextAttr::EqPartial(const wxRichTextAttr& attr, bool weakTest) const
+{
+ if (!(wxTextAttr::EqPartial(attr, weakTest)))
+ return false;
+
+ return m_textBoxAttr.EqPartial(attr.m_textBoxAttr, weakTest);
+}
+
+// Merges the given attributes. If compareWith
+// is non-NULL, then it will be used to mask out those attributes that are the same in style
+// and compareWith, for situations where we don't want to explicitly set inherited attributes.
+bool wxRichTextAttr::Apply(const wxRichTextAttr& style, const wxRichTextAttr* compareWith)
+{
+ wxTextAttr::Apply(style, compareWith);
+
+ return m_textBoxAttr.Apply(style.m_textBoxAttr, compareWith ? (& compareWith->m_textBoxAttr) : (const wxTextBoxAttr*) NULL);
+}
+
+// Remove specified attributes from this object
+bool wxRichTextAttr::RemoveStyle(const wxRichTextAttr& attr)
+{
+ wxTextAttr::RemoveStyle(*this, attr);
+
+ return m_textBoxAttr.RemoveStyle(attr.m_textBoxAttr);
+}
+
+// Collects the attributes that are common to a range of content, building up a note of
+// which attributes are absent in some objects and which clash in some objects.
+void wxRichTextAttr::CollectCommonAttributes(const wxRichTextAttr& attr, wxRichTextAttr& clashingAttr, wxRichTextAttr& absentAttr)
+{
+ wxTextAttrCollectCommonAttributes(*this, attr, clashingAttr, absentAttr);
+
+ m_textBoxAttr.CollectCommonAttributes(attr.m_textBoxAttr, clashingAttr.m_textBoxAttr, absentAttr.m_textBoxAttr);
+}
+
+// Partial equality test
+bool wxTextAttrBorder::EqPartial(const wxTextAttrBorder& border, bool weakTest) const
+{
+ if (!weakTest &&
+ ((!HasStyle() && border.HasStyle()) ||
+ (!HasColour() && border.HasColour()) ||
+ (!HasWidth() && border.HasWidth())))
+ {
+ return false;
+ }
+
+ if (border.HasStyle() && HasStyle() && (border.GetStyle() != GetStyle()))
+ return false;
+
+ if (border.HasColour() && HasColour() && (border.GetColourLong() != GetColourLong()))
+ return false;
+
+ if (border.HasWidth() && HasWidth() && !(border.GetWidth() == GetWidth()))
+ return false;
+
+ return true;
+}
+
+// Apply border to 'this', but not if the same as compareWith
+bool wxTextAttrBorder::Apply(const wxTextAttrBorder& border, const wxTextAttrBorder* compareWith)
+{
+ if (border.HasStyle())
+ {
+ if (!(compareWith && (border.GetStyle() == compareWith->GetStyle())))
+ SetStyle(border.GetStyle());
+ }
+ if (border.HasColour())
+ {
+ if (!(compareWith && (border.GetColourLong() == compareWith->GetColourLong())))
+ SetColour(border.GetColourLong());
+ }
+ if (border.HasWidth())
+ {
+ if (!(compareWith && (border.GetWidth() == compareWith->GetWidth())))
+ SetWidth(border.GetWidth());
+ }
+
+ return true;
+}
+
+// Remove specified attributes from this object
+bool wxTextAttrBorder::RemoveStyle(const wxTextAttrBorder& attr)
+{
+ if (attr.HasStyle() && HasStyle())
+ SetFlags(GetFlags() & ~wxTEXT_BOX_ATTR_BORDER_STYLE);
+ if (attr.HasColour() && HasColour())
+ SetFlags(GetFlags() & ~wxTEXT_BOX_ATTR_BORDER_COLOUR);
+ if (attr.HasWidth() && HasWidth())
+ m_borderWidth.Reset();
+
+ return true;
+}
+
+// Collects the attributes that are common to a range of content, building up a note of
+// which attributes are absent in some objects and which clash in some objects.
+void wxTextAttrBorder::CollectCommonAttributes(const wxTextAttrBorder& attr, wxTextAttrBorder& clashingAttr, wxTextAttrBorder& absentAttr)
+{
+ if (attr.HasStyle())
+ {
+ if (!clashingAttr.HasStyle() && !absentAttr.HasStyle())
+ {
+ if (HasStyle())
+ {
+ if (GetStyle() != attr.GetStyle())
+ {
+ clashingAttr.AddFlag(wxTEXT_BOX_ATTR_BORDER_STYLE);
+ RemoveFlag(wxTEXT_BOX_ATTR_BORDER_STYLE);
+ }
+ }
+ else
+ SetStyle(attr.GetStyle());
+ }
+ }
+ else
+ absentAttr.AddFlag(wxTEXT_BOX_ATTR_BORDER_STYLE);
+
+ if (attr.HasColour())
+ {
+ if (!clashingAttr.HasColour() && !absentAttr.HasColour())
+ {
+ if (HasColour())
+ {
+ if (GetColour() != attr.GetColour())
+ {
+ clashingAttr.AddFlag(wxTEXT_BOX_ATTR_BORDER_COLOUR);
+ RemoveFlag(wxTEXT_BOX_ATTR_BORDER_COLOUR);
+ }
+ }
+ else
+ SetColour(attr.GetColourLong());
+ }
+ }
+ else
+ absentAttr.AddFlag(wxTEXT_BOX_ATTR_BORDER_COLOUR);
+
+ m_borderWidth.CollectCommonAttributes(attr.m_borderWidth, clashingAttr.m_borderWidth, absentAttr.m_borderWidth);
+}
+
+// Partial equality test
+bool wxTextAttrBorders::EqPartial(const wxTextAttrBorders& borders, bool weakTest) const
+{
+ return m_left.EqPartial(borders.m_left, weakTest) && m_right.EqPartial(borders.m_right, weakTest) &&
+ m_top.EqPartial(borders.m_top, weakTest) && m_bottom.EqPartial(borders.m_bottom, weakTest);
+}
+
+// Apply border to 'this', but not if the same as compareWith
+bool wxTextAttrBorders::Apply(const wxTextAttrBorders& borders, const wxTextAttrBorders* compareWith)
+{
+ m_left.Apply(borders.m_left, compareWith ? (& compareWith->m_left) : (const wxTextAttrBorder*) NULL);
+ m_right.Apply(borders.m_right, compareWith ? (& compareWith->m_right) : (const wxTextAttrBorder*) NULL);
+ m_top.Apply(borders.m_top, compareWith ? (& compareWith->m_top) : (const wxTextAttrBorder*) NULL);
+ m_bottom.Apply(borders.m_bottom, compareWith ? (& compareWith->m_bottom) : (const wxTextAttrBorder*) NULL);
+ return true;
+}
+
+// Remove specified attributes from this object
+bool wxTextAttrBorders::RemoveStyle(const wxTextAttrBorders& attr)
+{
+ m_left.RemoveStyle(attr.m_left);
+ m_right.RemoveStyle(attr.m_right);
+ m_top.RemoveStyle(attr.m_top);
+ m_bottom.RemoveStyle(attr.m_bottom);
+ return true;
+}
+
+// Collects the attributes that are common to a range of content, building up a note of
+// which attributes are absent in some objects and which clash in some objects.
+void wxTextAttrBorders::CollectCommonAttributes(const wxTextAttrBorders& attr, wxTextAttrBorders& clashingAttr, wxTextAttrBorders& absentAttr)
+{
+ m_left.CollectCommonAttributes(attr.m_left, clashingAttr.m_left, absentAttr.m_left);
+ m_right.CollectCommonAttributes(attr.m_right, clashingAttr.m_right, absentAttr.m_right);
+ m_top.CollectCommonAttributes(attr.m_top, clashingAttr.m_top, absentAttr.m_top);
+ m_bottom.CollectCommonAttributes(attr.m_bottom, clashingAttr.m_bottom, absentAttr.m_bottom);
+}
+
+// Set style of all borders
+void wxTextAttrBorders::SetStyle(int style)
+{
+ m_left.SetStyle(style);
+ m_right.SetStyle(style);
+ m_top.SetStyle(style);
+ m_bottom.SetStyle(style);
+}
+
+// Set colour of all borders
+void wxTextAttrBorders::SetColour(unsigned long colour)
+{
+ m_left.SetColour(colour);
+ m_right.SetColour(colour);
+ m_top.SetColour(colour);
+ m_bottom.SetColour(colour);
+}
+
+void wxTextAttrBorders::SetColour(const wxColour& colour)
+{
+ m_left.SetColour(colour);
+ m_right.SetColour(colour);
+ m_top.SetColour(colour);
+ m_bottom.SetColour(colour);
+}
+
+// Set width of all borders
+void wxTextAttrBorders::SetWidth(const wxTextAttrDimension& width)
+{
+ m_left.SetWidth(width);
+ m_right.SetWidth(width);
+ m_top.SetWidth(width);
+ m_bottom.SetWidth(width);
+}
+
+// Partial equality test
+bool wxTextAttrDimension::EqPartial(const wxTextAttrDimension& dim, bool weakTest) const
+{
+ if (!weakTest && !IsValid() && dim.IsValid())
+ return false;
+
+ if (dim.IsValid() && IsValid() && !((*this) == dim))
+ return false;
+ else
+ return true;
+}
+
+bool wxTextAttrDimension::Apply(const wxTextAttrDimension& dim, const wxTextAttrDimension* compareWith)
+{
+ if (dim.IsValid())
+ {
+ if (!(compareWith && dim == (*compareWith)))
+ (*this) = dim;
+ }
+
+ return true;
+}
+
+// Collects the attributes that are common to a range of content, building up a note of
+// which attributes are absent in some objects and which clash in some objects.
+void wxTextAttrDimension::CollectCommonAttributes(const wxTextAttrDimension& attr, wxTextAttrDimension& clashingAttr, wxTextAttrDimension& absentAttr)
+{
+ if (attr.IsValid())
+ {
+ if (!clashingAttr.IsValid() && !absentAttr.IsValid())
+ {
+ if (IsValid())
+ {
+ if (!((*this) == attr))
+ {
+ clashingAttr.SetValid(true);
+ SetValid(false);
+ }
+ }
+ else
+ (*this) = attr;
+ }
+ }
+ else
+ absentAttr.SetValid(true);
+}
+
+wxTextAttrDimensionConverter::wxTextAttrDimensionConverter(wxDC& dc, double scale, const wxSize& parentSize)
+{
+ m_ppi = dc.GetPPI().x; m_scale = scale; m_parentSize = parentSize;
+}
+
+wxTextAttrDimensionConverter::wxTextAttrDimensionConverter(int ppi, double scale, const wxSize& parentSize)
+{
+ m_ppi = ppi; m_scale = scale; m_parentSize = parentSize;
+}
+
+int wxTextAttrDimensionConverter::ConvertTenthsMMToPixels(int units) const
+{
+ return wxRichTextObject::ConvertTenthsMMToPixels(m_ppi, units, m_scale);
+}
+
+int wxTextAttrDimensionConverter::ConvertPixelsToTenthsMM(int pixels) const
+{
+ return wxRichTextObject::ConvertPixelsToTenthsMM(m_ppi, pixels, m_scale);
+}
+
+int wxTextAttrDimensionConverter::GetPixels(const wxTextAttrDimension& dim, int direction) const
+{
+ if (dim.GetUnits() == wxTEXT_ATTR_UNITS_TENTHS_MM)
+ return ConvertTenthsMMToPixels(dim.GetValue());
+ else if (dim.GetUnits() == wxTEXT_ATTR_UNITS_PIXELS)
+ return dim.GetValue();
+ else if (dim.GetUnits() == wxTEXT_ATTR_UNITS_PERCENTAGE)
+ {
+ wxASSERT(m_parentSize != wxDefaultSize);
+ if (direction == wxHORIZONTAL)
+ return (int) (double(m_parentSize.x) * double(dim.GetValue()) / 100.0);
+ else
+ return (int) (double(m_parentSize.y) * double(dim.GetValue()) / 100.0);
+ }
+ else
+ {
+ wxASSERT(false);
+ return 0;
+ }
+}
+
+int wxTextAttrDimensionConverter::GetTenthsMM(const wxTextAttrDimension& dim) const
+{
+ if (dim.GetUnits() == wxTEXT_ATTR_UNITS_TENTHS_MM)
+ return dim.GetValue();
+ else if (dim.GetUnits() == wxTEXT_ATTR_UNITS_PIXELS)
+ return ConvertPixelsToTenthsMM(dim.GetValue());
+ else
+ {
+ wxASSERT(false);
+ return 0;
+ }
+}
+
+// Partial equality test
+bool wxTextAttrDimensions::EqPartial(const wxTextAttrDimensions& dims, bool weakTest) const
+{
+ if (!m_left.EqPartial(dims.m_left, weakTest))
+ return false;
+
+ if (!m_right.EqPartial(dims.m_right, weakTest))
+ return false;
+
+ if (!m_top.EqPartial(dims.m_top, weakTest))
+ return false;
+
+ if (!m_bottom.EqPartial(dims.m_bottom, weakTest))
+ return false;
+
+ return true;
+}
+
+// Apply border to 'this', but not if the same as compareWith
+bool wxTextAttrDimensions::Apply(const wxTextAttrDimensions& dims, const wxTextAttrDimensions* compareWith)
+{
+ m_left.Apply(dims.m_left, compareWith ? (& compareWith->m_left) : (const wxTextAttrDimension*) NULL);
+ m_right.Apply(dims.m_right, compareWith ? (& compareWith->m_right): (const wxTextAttrDimension*) NULL);
+ m_top.Apply(dims.m_top, compareWith ? (& compareWith->m_top): (const wxTextAttrDimension*) NULL);
+ m_bottom.Apply(dims.m_bottom, compareWith ? (& compareWith->m_bottom): (const wxTextAttrDimension*) NULL);
+
+ return true;
+}
+
+// Remove specified attributes from this object
+bool wxTextAttrDimensions::RemoveStyle(const wxTextAttrDimensions& attr)
+{
+ if (attr.m_left.IsValid())
+ m_left.Reset();
+ if (attr.m_right.IsValid())
+ m_right.Reset();
+ if (attr.m_top.IsValid())
+ m_top.Reset();
+ if (attr.m_bottom.IsValid())
+ m_bottom.Reset();
+
+ return true;
+}
+
+// Collects the attributes that are common to a range of content, building up a note of
+// which attributes are absent in some objects and which clash in some objects.
+void wxTextAttrDimensions::CollectCommonAttributes(const wxTextAttrDimensions& attr, wxTextAttrDimensions& clashingAttr, wxTextAttrDimensions& absentAttr)
+{
+ m_left.CollectCommonAttributes(attr.m_left, clashingAttr.m_left, absentAttr.m_left);
+ m_right.CollectCommonAttributes(attr.m_right, clashingAttr.m_right, absentAttr.m_right);
+ m_top.CollectCommonAttributes(attr.m_top, clashingAttr.m_top, absentAttr.m_top);
+ m_bottom.CollectCommonAttributes(attr.m_bottom, clashingAttr.m_bottom, absentAttr.m_bottom);
+}
+
+// Partial equality test
+bool wxTextAttrSize::EqPartial(const wxTextAttrSize& size, bool weakTest) const
+{
+ if (!m_width.EqPartial(size.m_width, weakTest))
+ return false;
+
+ if (!m_height.EqPartial(size.m_height, weakTest))
+ return false;
+
+ return true;
+}
+
+// Apply border to 'this', but not if the same as compareWith
+bool wxTextAttrSize::Apply(const wxTextAttrSize& size, const wxTextAttrSize* compareWith)
+{
+ m_width.Apply(size.m_width, compareWith ? (& compareWith->m_width) : (const wxTextAttrDimension*) NULL);
+ m_height.Apply(size.m_height, compareWith ? (& compareWith->m_height): (const wxTextAttrDimension*) NULL);
+
+ return true;
+}
+
+// Remove specified attributes from this object
+bool wxTextAttrSize::RemoveStyle(const wxTextAttrSize& attr)
+{
+ if (attr.m_width.IsValid())
+ m_width.Reset();
+ if (attr.m_height.IsValid())
+ m_height.Reset();
+
+ return true;
+}
+
+// Collects the attributes that are common to a range of content, building up a note of
+// which attributes are absent in some objects and which clash in some objects.
+void wxTextAttrSize::CollectCommonAttributes(const wxTextAttrSize& attr, wxTextAttrSize& clashingAttr, wxTextAttrSize& absentAttr)
+{
+ m_width.CollectCommonAttributes(attr.m_width, clashingAttr.m_width, absentAttr.m_width);
+ m_height.CollectCommonAttributes(attr.m_height, clashingAttr.m_height, absentAttr.m_height);
+}
+
+// Collects the attributes that are common to a range of content, building up a note of
+// which attributes are absent in some objects and which clash in some objects.
+void wxTextAttrCollectCommonAttributes(wxTextAttr& currentStyle, const wxTextAttr& attr, wxTextAttr& clashingAttr, wxTextAttr& absentAttr)
+{
+ absentAttr.SetFlags(absentAttr.GetFlags() | (~attr.GetFlags() & wxTEXT_ATTR_ALL));
+ absentAttr.SetTextEffectFlags(absentAttr.GetTextEffectFlags() | (~attr.GetTextEffectFlags() & 0xFFFF));
+
+ long forbiddenFlags = clashingAttr.GetFlags()|absentAttr.GetFlags();
+
+ // If different font size units are being used, this is a clash.
+ if (((attr.GetFlags() & wxTEXT_ATTR_FONT_SIZE) | (currentStyle.GetFlags() & wxTEXT_ATTR_FONT_SIZE)) == wxTEXT_ATTR_FONT_SIZE)
+ {
+ currentStyle.SetFontSize(0);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_FONT_SIZE);
+ clashingAttr.AddFlag(wxTEXT_ATTR_FONT_SIZE);
+ }
+ else
+ {
+ if (attr.HasFontPointSize() && !wxHasStyle(forbiddenFlags, wxTEXT_ATTR_FONT_POINT_SIZE))
+ {
+ if (currentStyle.HasFontPointSize())
+ {
+ if (currentStyle.GetFontSize() != attr.GetFontSize())
+ {
+ // Clash of attr - mark as such
+ clashingAttr.AddFlag(wxTEXT_ATTR_FONT_POINT_SIZE);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_FONT_POINT_SIZE);
+ }
+ }
+ else
+ currentStyle.SetFontSize(attr.GetFontSize());
+ }
+ else if (!attr.HasFontPointSize() && currentStyle.HasFontPointSize())
+ {
+ clashingAttr.AddFlag(wxTEXT_ATTR_FONT_POINT_SIZE);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_FONT_POINT_SIZE);
+ }
+
+ if (attr.HasFontPixelSize() && !wxHasStyle(forbiddenFlags, wxTEXT_ATTR_FONT_PIXEL_SIZE))
+ {
+ if (currentStyle.HasFontPixelSize())
+ {
+ if (currentStyle.GetFontSize() != attr.GetFontSize())
+ {
+ // Clash of attr - mark as such
+ clashingAttr.AddFlag(wxTEXT_ATTR_FONT_PIXEL_SIZE);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_FONT_PIXEL_SIZE);
+ }
+ }
+ else
+ currentStyle.SetFontPixelSize(attr.GetFontSize());
+ }
+ else if (!attr.HasFontPixelSize() && currentStyle.HasFontPixelSize())
+ {
+ clashingAttr.AddFlag(wxTEXT_ATTR_FONT_PIXEL_SIZE);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_FONT_PIXEL_SIZE);
+ }
+ }
+
+ if (attr.HasFontItalic() && !wxHasStyle(forbiddenFlags, wxTEXT_ATTR_FONT_ITALIC))
+ {
+ if (currentStyle.HasFontItalic())
+ {
+ if (currentStyle.GetFontStyle() != attr.GetFontStyle())
+ {
+ // Clash of attr - mark as such
+ clashingAttr.AddFlag(wxTEXT_ATTR_FONT_ITALIC);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_FONT_ITALIC);
+ }
+ }
+ else
+ currentStyle.SetFontStyle(attr.GetFontStyle());
+ }
+ else if (!attr.HasFontItalic() && currentStyle.HasFontItalic())
+ {
+ clashingAttr.AddFlag(wxTEXT_ATTR_FONT_ITALIC);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_FONT_ITALIC);
+ }
+
+ if (attr.HasFontFamily() && !wxHasStyle(forbiddenFlags, wxTEXT_ATTR_FONT_FAMILY))
+ {
+ if (currentStyle.HasFontFamily())
+ {
+ if (currentStyle.GetFontFamily() != attr.GetFontFamily())
+ {
+ // Clash of attr - mark as such
+ clashingAttr.AddFlag(wxTEXT_ATTR_FONT_FAMILY);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_FONT_FAMILY);
+ }
+ }
+ else
+ currentStyle.SetFontFamily(attr.GetFontFamily());
+ }
+ else if (!attr.HasFontFamily() && currentStyle.HasFontFamily())
+ {
+ clashingAttr.AddFlag(wxTEXT_ATTR_FONT_FAMILY);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_FONT_FAMILY);
+ }
+
+ if (attr.HasFontWeight() && !wxHasStyle(forbiddenFlags, wxTEXT_ATTR_FONT_WEIGHT))
+ {
+ if (currentStyle.HasFontWeight())
+ {
+ if (currentStyle.GetFontWeight() != attr.GetFontWeight())
+ {
+ // Clash of attr - mark as such
+ clashingAttr.AddFlag(wxTEXT_ATTR_FONT_WEIGHT);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_FONT_WEIGHT);
+ }
+ }
+ else
+ currentStyle.SetFontWeight(attr.GetFontWeight());
+ }
+ else if (!attr.HasFontWeight() && currentStyle.HasFontWeight())
+ {
+ clashingAttr.AddFlag(wxTEXT_ATTR_FONT_WEIGHT);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_FONT_WEIGHT);
+ }
+
+ if (attr.HasFontFaceName() && !wxHasStyle(forbiddenFlags, wxTEXT_ATTR_FONT_FACE))
+ {
+ if (currentStyle.HasFontFaceName())
+ {
+ wxString faceName1(currentStyle.GetFontFaceName());
+ wxString faceName2(attr.GetFontFaceName());
+
+ if (faceName1 != faceName2)
+ {
+ // Clash of attr - mark as such
+ clashingAttr.AddFlag(wxTEXT_ATTR_FONT_FACE);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_FONT_FACE);
+ }
+ }
+ else
+ currentStyle.SetFontFaceName(attr.GetFontFaceName());
+ }
+ else if (!attr.HasFontFaceName() && currentStyle.HasFontFaceName())
+ {
+ clashingAttr.AddFlag(wxTEXT_ATTR_FONT_FACE);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_FONT_FACE);
+ }
+
+ if (attr.HasFontUnderlined() && !wxHasStyle(forbiddenFlags, wxTEXT_ATTR_FONT_UNDERLINE))
+ {
+ if (currentStyle.HasFontUnderlined())
+ {
+ if (currentStyle.GetFontUnderlined() != attr.GetFontUnderlined())
+ {
+ // Clash of attr - mark as such
+ clashingAttr.AddFlag(wxTEXT_ATTR_FONT_UNDERLINE);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_FONT_UNDERLINE);
+ }
+ }
+ else
+ currentStyle.SetFontUnderlined(attr.GetFontUnderlined());
+ }
+ else if (!attr.HasFontUnderlined() && currentStyle.HasFontUnderlined())
+ {
+ clashingAttr.AddFlag(wxTEXT_ATTR_FONT_UNDERLINE);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_FONT_UNDERLINE);
+ }
+
+ if (attr.HasFontStrikethrough() && !wxHasStyle(forbiddenFlags, wxTEXT_ATTR_FONT_STRIKETHROUGH))
+ {
+ if (currentStyle.HasFontStrikethrough())
+ {
+ if (currentStyle.GetFontStrikethrough() != attr.GetFontStrikethrough())
+ {
+ // Clash of attr - mark as such
+ clashingAttr.AddFlag(wxTEXT_ATTR_FONT_STRIKETHROUGH);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_FONT_STRIKETHROUGH);
+ }
+ }
+ else
+ currentStyle.SetFontStrikethrough(attr.GetFontStrikethrough());
+ }
+ else if (!attr.HasFontStrikethrough() && currentStyle.HasFontStrikethrough())
+ {
+ clashingAttr.AddFlag(wxTEXT_ATTR_FONT_STRIKETHROUGH);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_FONT_STRIKETHROUGH);
+ }
+
+ if (attr.HasTextColour() && !wxHasStyle(forbiddenFlags, wxTEXT_ATTR_TEXT_COLOUR))
+ {
+ if (currentStyle.HasTextColour())
+ {
+ if (currentStyle.GetTextColour() != attr.GetTextColour())
+ {
+ // Clash of attr - mark as such
+ clashingAttr.AddFlag(wxTEXT_ATTR_TEXT_COLOUR);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_TEXT_COLOUR);
+ }
+ }
+ else
+ currentStyle.SetTextColour(attr.GetTextColour());
+ }
+ else if (!attr.HasTextColour() && currentStyle.HasTextColour())
+ {
+ clashingAttr.AddFlag(wxTEXT_ATTR_TEXT_COLOUR);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_TEXT_COLOUR);
+ }
+
+ if (attr.HasBackgroundColour() && !wxHasStyle(forbiddenFlags, wxTEXT_ATTR_BACKGROUND_COLOUR))
+ {
+ if (currentStyle.HasBackgroundColour())
+ {
+ if (currentStyle.GetBackgroundColour() != attr.GetBackgroundColour())
+ {
+ // Clash of attr - mark as such
+ clashingAttr.AddFlag(wxTEXT_ATTR_BACKGROUND_COLOUR);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_BACKGROUND_COLOUR);
+ }
+ }
+ else
+ currentStyle.SetBackgroundColour(attr.GetBackgroundColour());
+ }
+ else if (!attr.HasBackgroundColour() && currentStyle.HasBackgroundColour())
+ {
+ clashingAttr.AddFlag(wxTEXT_ATTR_BACKGROUND_COLOUR);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_BACKGROUND_COLOUR);
+ }
+
+ if (attr.HasAlignment() && !wxHasStyle(forbiddenFlags, wxTEXT_ATTR_ALIGNMENT))
+ {
+ if (currentStyle.HasAlignment())
+ {
+ if (currentStyle.GetAlignment() != attr.GetAlignment())
+ {
+ // Clash of attr - mark as such
+ clashingAttr.AddFlag(wxTEXT_ATTR_ALIGNMENT);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_ALIGNMENT);
+ }
+ }
+ else
+ currentStyle.SetAlignment(attr.GetAlignment());
+ }
+ else if (!attr.HasAlignment() && currentStyle.HasAlignment())
+ {
+ clashingAttr.AddFlag(wxTEXT_ATTR_ALIGNMENT);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_ALIGNMENT);
+ }
+
+ if (attr.HasTabs() && !wxHasStyle(forbiddenFlags, wxTEXT_ATTR_TABS))
+ {
+ if (currentStyle.HasTabs())
+ {
+ if (!wxRichTextTabsEq(currentStyle.GetTabs(), attr.GetTabs()))
+ {
+ // Clash of attr - mark as such
+ clashingAttr.AddFlag(wxTEXT_ATTR_TABS);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_TABS);
+ }
+ }
+ else
+ currentStyle.SetTabs(attr.GetTabs());
+ }
+ else if (!attr.HasTabs() && currentStyle.HasTabs())
+ {
+ clashingAttr.AddFlag(wxTEXT_ATTR_TABS);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_TABS);
+ }
+
+ if (attr.HasLeftIndent() && !wxHasStyle(forbiddenFlags, wxTEXT_ATTR_LEFT_INDENT))
+ {
+ if (currentStyle.HasLeftIndent())
+ {
+ if (currentStyle.GetLeftIndent() != attr.GetLeftIndent() || currentStyle.GetLeftSubIndent() != attr.GetLeftSubIndent())
+ {
+ // Clash of attr - mark as such
+ clashingAttr.AddFlag(wxTEXT_ATTR_LEFT_INDENT);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_LEFT_INDENT);
+ }
+ }
+ else
+ currentStyle.SetLeftIndent(attr.GetLeftIndent(), attr.GetLeftSubIndent());
+ }
+ else if (!attr.HasLeftIndent() && currentStyle.HasLeftIndent())
+ {
+ clashingAttr.AddFlag(wxTEXT_ATTR_LEFT_INDENT);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_LEFT_INDENT);
+ }
+
+ if (attr.HasRightIndent() && !wxHasStyle(forbiddenFlags, wxTEXT_ATTR_RIGHT_INDENT))
+ {
+ if (currentStyle.HasRightIndent())
+ {
+ if (currentStyle.GetRightIndent() != attr.GetRightIndent())
+ {
+ // Clash of attr - mark as such
+ clashingAttr.AddFlag(wxTEXT_ATTR_RIGHT_INDENT);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_RIGHT_INDENT);
+ }
+ }
+ else
+ currentStyle.SetRightIndent(attr.GetRightIndent());
+ }
+ else if (!attr.HasRightIndent() && currentStyle.HasRightIndent())
+ {
+ clashingAttr.AddFlag(wxTEXT_ATTR_RIGHT_INDENT);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_RIGHT_INDENT);
+ }
+
+ if (attr.HasParagraphSpacingAfter() && !wxHasStyle(forbiddenFlags, wxTEXT_ATTR_PARA_SPACING_AFTER))
+ {
+ if (currentStyle.HasParagraphSpacingAfter())
+ {
+ if (currentStyle.GetParagraphSpacingAfter() != attr.GetParagraphSpacingAfter())
+ {
+ // Clash of attr - mark as such
+ clashingAttr.AddFlag(wxTEXT_ATTR_PARA_SPACING_AFTER);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_PARA_SPACING_AFTER);
+ }
+ }
+ else
+ currentStyle.SetParagraphSpacingAfter(attr.GetParagraphSpacingAfter());
+ }
+ else if (!attr.HasParagraphSpacingAfter() && currentStyle.HasParagraphSpacingAfter())
+ {
+ clashingAttr.AddFlag(wxTEXT_ATTR_PARA_SPACING_AFTER);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_PARA_SPACING_AFTER);
+ }
+
+ if (attr.HasParagraphSpacingBefore() && !wxHasStyle(forbiddenFlags, wxTEXT_ATTR_PARA_SPACING_BEFORE))
+ {
+ if (currentStyle.HasParagraphSpacingBefore())
+ {
+ if (currentStyle.GetParagraphSpacingBefore() != attr.GetParagraphSpacingBefore())
+ {
+ // Clash of attr - mark as such
+ clashingAttr.AddFlag(wxTEXT_ATTR_PARA_SPACING_BEFORE);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_PARA_SPACING_BEFORE);
+ }
+ }
+ else
+ currentStyle.SetParagraphSpacingBefore(attr.GetParagraphSpacingBefore());
+ }
+ else if (!attr.HasParagraphSpacingBefore() && currentStyle.HasParagraphSpacingBefore())
+ {
+ clashingAttr.AddFlag(wxTEXT_ATTR_PARA_SPACING_BEFORE);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_PARA_SPACING_BEFORE);
+ }
+
+ if (attr.HasLineSpacing() && !wxHasStyle(forbiddenFlags, wxTEXT_ATTR_LINE_SPACING))
+ {
+ if (currentStyle.HasLineSpacing())
+ {
+ if (currentStyle.GetLineSpacing() != attr.GetLineSpacing())
+ {
+ // Clash of attr - mark as such
+ clashingAttr.AddFlag(wxTEXT_ATTR_LINE_SPACING);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_LINE_SPACING);
+ }
+ }
+ else
+ currentStyle.SetLineSpacing(attr.GetLineSpacing());
+ }
+ else if (!attr.HasLineSpacing() && currentStyle.HasLineSpacing())
+ {
+ clashingAttr.AddFlag(wxTEXT_ATTR_LINE_SPACING);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_LINE_SPACING);
+ }
+
+ if (attr.HasCharacterStyleName() && !wxHasStyle(forbiddenFlags, wxTEXT_ATTR_CHARACTER_STYLE_NAME))
+ {
+ if (currentStyle.HasCharacterStyleName())
+ {
+ if (currentStyle.GetCharacterStyleName() != attr.GetCharacterStyleName())
+ {
+ // Clash of attr - mark as such
+ clashingAttr.AddFlag(wxTEXT_ATTR_CHARACTER_STYLE_NAME);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_CHARACTER_STYLE_NAME);
+ }
+ }
+ else
+ currentStyle.SetCharacterStyleName(attr.GetCharacterStyleName());
+ }
+ else if (!attr.HasCharacterStyleName() && currentStyle.HasCharacterStyleName())
+ {
+ clashingAttr.AddFlag(wxTEXT_ATTR_CHARACTER_STYLE_NAME);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_CHARACTER_STYLE_NAME);
+ }
+
+ if (attr.HasParagraphStyleName() && !wxHasStyle(forbiddenFlags, wxTEXT_ATTR_PARAGRAPH_STYLE_NAME))
+ {
+ if (currentStyle.HasParagraphStyleName())
+ {
+ if (currentStyle.GetParagraphStyleName() != attr.GetParagraphStyleName())
+ {
+ // Clash of attr - mark as such
+ clashingAttr.AddFlag(wxTEXT_ATTR_PARAGRAPH_STYLE_NAME);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_PARAGRAPH_STYLE_NAME);
+ }
+ }
+ else
+ currentStyle.SetParagraphStyleName(attr.GetParagraphStyleName());
+ }
+ else if (!attr.HasParagraphStyleName() && currentStyle.HasParagraphStyleName())
+ {
+ clashingAttr.AddFlag(wxTEXT_ATTR_PARAGRAPH_STYLE_NAME);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_PARAGRAPH_STYLE_NAME);
+ }
+
+ if (attr.HasListStyleName() && !wxHasStyle(forbiddenFlags, wxTEXT_ATTR_LIST_STYLE_NAME))
+ {
+ if (currentStyle.HasListStyleName())
+ {
+ if (currentStyle.GetListStyleName() != attr.GetListStyleName())
+ {
+ // Clash of attr - mark as such
+ clashingAttr.AddFlag(wxTEXT_ATTR_LIST_STYLE_NAME);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_LIST_STYLE_NAME);
+ }
+ }
+ else
+ currentStyle.SetListStyleName(attr.GetListStyleName());
+ }
+ else if (!attr.HasListStyleName() && currentStyle.HasListStyleName())
+ {
+ clashingAttr.AddFlag(wxTEXT_ATTR_LIST_STYLE_NAME);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_LIST_STYLE_NAME);
+ }
+
+ if (attr.HasBulletStyle() && !wxHasStyle(forbiddenFlags, wxTEXT_ATTR_BULLET_STYLE))
+ {
+ if (currentStyle.HasBulletStyle())
+ {
+ if (currentStyle.GetBulletStyle() != attr.GetBulletStyle())
+ {
+ // Clash of attr - mark as such
+ clashingAttr.AddFlag(wxTEXT_ATTR_BULLET_STYLE);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_BULLET_STYLE);
+ }
+ }
+ else
+ currentStyle.SetBulletStyle(attr.GetBulletStyle());
+ }
+ else if (!attr.HasBulletStyle() && currentStyle.HasBulletStyle())
+ {
+ clashingAttr.AddFlag(wxTEXT_ATTR_BULLET_STYLE);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_BULLET_STYLE);
+ }
+
+ if (attr.HasBulletNumber() && !wxHasStyle(forbiddenFlags, wxTEXT_ATTR_BULLET_NUMBER))
+ {
+ if (currentStyle.HasBulletNumber())
+ {
+ if (currentStyle.GetBulletNumber() != attr.GetBulletNumber())
+ {
+ // Clash of attr - mark as such
+ clashingAttr.AddFlag(wxTEXT_ATTR_BULLET_NUMBER);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_BULLET_NUMBER);
+ }
+ }
+ else
+ currentStyle.SetBulletNumber(attr.GetBulletNumber());
+ }
+ else if (!attr.HasBulletNumber() && currentStyle.HasBulletNumber())
+ {
+ clashingAttr.AddFlag(wxTEXT_ATTR_BULLET_NUMBER);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_BULLET_NUMBER);
+ }
+
+ if (attr.HasBulletText() && !wxHasStyle(forbiddenFlags, wxTEXT_ATTR_BULLET_TEXT))
+ {
+ if (currentStyle.HasBulletText())
+ {
+ if (currentStyle.GetBulletText() != attr.GetBulletText())
+ {
+ // Clash of attr - mark as such
+ clashingAttr.AddFlag(wxTEXT_ATTR_BULLET_TEXT);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_BULLET_TEXT);
+ }
+ }
+ else
+ {
+ currentStyle.SetBulletText(attr.GetBulletText());
+ currentStyle.SetBulletFont(attr.GetBulletFont());
+ }
+ }
+ else if (!attr.HasBulletText() && currentStyle.HasBulletText())
+ {
+ clashingAttr.AddFlag(wxTEXT_ATTR_BULLET_TEXT);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_BULLET_TEXT);
+ }
+
+ if (attr.HasBulletName() && !wxHasStyle(forbiddenFlags, wxTEXT_ATTR_BULLET_NAME))
+ {
+ if (currentStyle.HasBulletName())
+ {
+ if (currentStyle.GetBulletName() != attr.GetBulletName())
+ {
+ // Clash of attr - mark as such
+ clashingAttr.AddFlag(wxTEXT_ATTR_BULLET_NAME);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_BULLET_NAME);
+ }
+ }
+ else
+ {
+ currentStyle.SetBulletName(attr.GetBulletName());
+ }
+ }
+ else if (!attr.HasBulletName() && currentStyle.HasBulletName())
+ {
+ clashingAttr.AddFlag(wxTEXT_ATTR_BULLET_NAME);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_BULLET_NAME);
+ }
+
+ if (attr.HasURL() && !wxHasStyle(forbiddenFlags, wxTEXT_ATTR_URL))
+ {
+ if (currentStyle.HasURL())
+ {
+ if (currentStyle.GetURL() != attr.GetURL())
+ {
+ // Clash of attr - mark as such
+ clashingAttr.AddFlag(wxTEXT_ATTR_URL);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_URL);
+ }
+ }
+ else
+ {
+ currentStyle.SetURL(attr.GetURL());
+ }
+ }
+ else if (!attr.HasURL() && currentStyle.HasURL())
+ {
+ clashingAttr.AddFlag(wxTEXT_ATTR_URL);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_URL);
+ }
- while (!stream.Eof())
+ if (attr.HasTextEffects() && !wxHasStyle(forbiddenFlags, wxTEXT_ATTR_EFFECTS))
{
- int ch = stream.GetC();
+ if (currentStyle.HasTextEffects())
+ {
+ // We need to find the bits in the new attr that are different:
+ // just look at those bits that are specified by the new attr.
- if (!stream.Eof())
+ // We need to remove the bits and flags that are not common between current attr
+ // and new attr. In so doing we need to take account of the styles absent from one or more of the
+ // previous styles.
+
+ int currentRelevantTextEffects = currentStyle.GetTextEffects() & attr.GetTextEffectFlags();
+ int newRelevantTextEffects = attr.GetTextEffects() & attr.GetTextEffectFlags();
+
+ if (currentRelevantTextEffects != newRelevantTextEffects)
+ {
+ // Find the text effects that were different, using XOR
+ int differentEffects = currentRelevantTextEffects ^ newRelevantTextEffects;
+
+ // Clash of attr - mark as such
+ clashingAttr.SetTextEffectFlags(clashingAttr.GetTextEffectFlags() | differentEffects);
+ currentStyle.SetTextEffectFlags(currentStyle.GetTextEffectFlags() & ~differentEffects);
+ }
+ }
+ else
{
- if (ch == 10 && lastCh != 13)
- str += wxT('\n');
+ currentStyle.SetTextEffects(attr.GetTextEffects());
+ currentStyle.SetTextEffectFlags(attr.GetTextEffectFlags());
+ }
- if (ch > 0 && ch != 10)
- str += wxChar(ch);
+ // Mask out the flags and values that cannot be common because they were absent in one or more objecrs
+ // that we've looked at so far
+ currentStyle.SetTextEffects(currentStyle.GetTextEffects() & ~absentAttr.GetTextEffectFlags());
+ currentStyle.SetTextEffectFlags(currentStyle.GetTextEffectFlags() & ~absentAttr.GetTextEffectFlags());
- lastCh = ch;
+ if (currentStyle.GetTextEffectFlags() == 0)
+ currentStyle.RemoveFlag(wxTEXT_ATTR_EFFECTS);
+ }
+ else if (!attr.HasTextEffects() && currentStyle.HasTextEffects())
+ {
+ clashingAttr.AddFlag(wxTEXT_ATTR_EFFECTS);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_EFFECTS);
+ }
+
+ if (attr.HasOutlineLevel() && !wxHasStyle(forbiddenFlags, wxTEXT_ATTR_OUTLINE_LEVEL))
+ {
+ if (currentStyle.HasOutlineLevel())
+ {
+ if (currentStyle.GetOutlineLevel() != attr.GetOutlineLevel())
+ {
+ // Clash of attr - mark as such
+ clashingAttr.AddFlag(wxTEXT_ATTR_OUTLINE_LEVEL);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_OUTLINE_LEVEL);
+ }
}
+ else
+ currentStyle.SetOutlineLevel(attr.GetOutlineLevel());
}
+ else if (!attr.HasOutlineLevel() && currentStyle.HasOutlineLevel())
+ {
+ clashingAttr.AddFlag(wxTEXT_ATTR_OUTLINE_LEVEL);
+ currentStyle.RemoveFlag(wxTEXT_ATTR_OUTLINE_LEVEL);
+ }
+}
- buffer->ResetAndClearCommands();
- buffer->Clear();
- buffer->AddParagraphs(str);
- buffer->UpdateRanges();
+WX_DEFINE_OBJARRAY(wxRichTextVariantArray);
+WX_DEFINE_OBJARRAY(wxRichTextAttrArray);
+WX_DEFINE_OBJARRAY(wxRichTextRectArray);
- return true;
-}
+IMPLEMENT_DYNAMIC_CLASS(wxRichTextProperties, wxObject)
-bool wxRichTextPlainTextHandler::DoSaveFile(wxRichTextBuffer *buffer, wxOutputStream& stream)
+bool wxRichTextProperties::operator==(const wxRichTextProperties& props) const
{
- if (!stream.IsOk())
+ if (m_properties.GetCount() != props.GetCount())
return false;
- wxString text = buffer->GetText();
-
- wxString newLine = wxRichTextLineBreakChar;
- text.Replace(newLine, wxT("\n"));
-
- wxCharBuffer buf = text.ToAscii();
+ size_t i;
+ for (i = 0; i < m_properties.GetCount(); i++)
+ {
+ const wxVariant& var1 = m_properties[i];
+ int idx = props.Find(var1.GetName());
+ if (idx == -1)
+ return false;
+ const wxVariant& var2 = props.m_properties[idx];
+ if (!(var1 == var2))
+ return false;
+ }
- stream.Write((const char*) buf, text.length());
return true;
}
-#endif // wxUSE_STREAMS
-/*
- * Stores information about an image, in binary in-memory form
- */
-
-wxRichTextImageBlock::wxRichTextImageBlock()
+wxArrayString wxRichTextProperties::GetPropertyNames() const
{
- Init();
+ wxArrayString arr;
+ size_t i;
+ for (i = 0; i < m_properties.GetCount(); i++)
+ {
+ arr.Add(m_properties[i].GetName());
+ }
+ return arr;
}
-wxRichTextImageBlock::wxRichTextImageBlock(const wxRichTextImageBlock& block):wxObject()
+int wxRichTextProperties::Find(const wxString& name) const
{
- Init();
- Copy(block);
+ size_t i;
+ for (i = 0; i < m_properties.GetCount(); i++)
+ {
+ if (m_properties[i].GetName() == name)
+ return (int) i;
+ }
+ return -1;
}
-wxRichTextImageBlock::~wxRichTextImageBlock()
+bool wxRichTextProperties::Remove(const wxString& name)
{
- if (m_data)
+ int idx = Find(name);
+ if (idx != -1)
{
- delete[] m_data;
- m_data = NULL;
+ m_properties.RemoveAt(idx);
+ return true;
}
+ else
+ return false;
}
-void wxRichTextImageBlock::Init()
+wxVariant* wxRichTextProperties::FindOrCreateProperty(const wxString& name)
{
- m_data = NULL;
- m_dataSize = 0;
- m_imageType = -1;
+ int idx = Find(name);
+ if (idx == wxNOT_FOUND)
+ SetProperty(name, wxString());
+ idx = Find(name);
+ if (idx != wxNOT_FOUND)
+ {
+ return & (*this)[idx];
+ }
+ else
+ return NULL;
}
-void wxRichTextImageBlock::Clear()
+const wxVariant& wxRichTextProperties::GetProperty(const wxString& name) const
{
- delete[] m_data;
- m_data = NULL;
- m_dataSize = 0;
- m_imageType = -1;
+ static const wxVariant nullVariant;
+ int idx = Find(name);
+ if (idx != -1)
+ return m_properties[idx];
+ else
+ return nullVariant;
}
-
-// Load the original image into a memory block.
-// If the image is not a JPEG, we must convert it into a JPEG
-// to conserve space.
-// If it's not a JPEG we can make use of 'image', already scaled, so we don't have to
-// load the image a 2nd time.
-
-bool wxRichTextImageBlock::MakeImageBlock(const wxString& filename, int imageType, wxImage& image, bool convertToJPEG)
+wxString wxRichTextProperties::GetPropertyString(const wxString& name) const
{
- m_imageType = imageType;
-
- wxString filenameToRead(filename);
- bool removeFile = false;
-
- if (imageType == -1)
- return false; // Could not determine image type
-
- if ((imageType != wxBITMAP_TYPE_JPEG) && convertToJPEG)
- {
- wxString tempFile;
- bool success = wxGetTempFileName(_("image"), tempFile) ;
-
- wxASSERT(success);
-
- wxUnusedVar(success);
-
- image.SaveFile(tempFile, wxBITMAP_TYPE_JPEG);
- filenameToRead = tempFile;
- removeFile = true;
-
- m_imageType = wxBITMAP_TYPE_JPEG;
- }
- wxFile file;
- if (!file.Open(filenameToRead))
- return false;
-
- m_dataSize = (size_t) file.Length();
- file.Close();
-
- if (m_data)
- delete[] m_data;
- m_data = ReadBlock(filenameToRead, m_dataSize);
-
- if (removeFile)
- wxRemoveFile(filenameToRead);
-
- return (m_data != NULL);
+ return GetProperty(name).GetString();
}
-// Make an image block from the wxImage in the given
-// format.
-bool wxRichTextImageBlock::MakeImageBlock(wxImage& image, int imageType, int quality)
+long wxRichTextProperties::GetPropertyLong(const wxString& name) const
{
- m_imageType = imageType;
- image.SetOption(wxT("quality"), quality);
-
- if (imageType == -1)
- return false; // Could not determine image type
-
- wxString tempFile;
- bool success = wxGetTempFileName(_("image"), tempFile) ;
+ return GetProperty(name).GetLong();
+}
- wxASSERT(success);
- wxUnusedVar(success);
+bool wxRichTextProperties::GetPropertyBool(const wxString& name) const
+{
+ return GetProperty(name).GetBool();
+}
- if (!image.SaveFile(tempFile, m_imageType))
- {
- if (wxFileExists(tempFile))
- wxRemoveFile(tempFile);
- return false;
- }
+double wxRichTextProperties::GetPropertyDouble(const wxString& name) const
+{
+ return GetProperty(name).GetDouble();
+}
- wxFile file;
- if (!file.Open(tempFile))
- return false;
+void wxRichTextProperties::SetProperty(const wxVariant& variant)
+{
+ wxASSERT(!variant.GetName().IsEmpty());
- m_dataSize = (size_t) file.Length();
- file.Close();
+ int idx = Find(variant.GetName());
- if (m_data)
- delete[] m_data;
- m_data = ReadBlock(tempFile, m_dataSize);
+ if (idx == -1)
+ m_properties.Add(variant);
+ else
+ m_properties[idx] = variant;
+}
- wxRemoveFile(tempFile);
+void wxRichTextProperties::SetProperty(const wxString& name, const wxVariant& variant)
+{
+ int idx = Find(name);
+ wxVariant var(variant);
+ var.SetName(name);
- return (m_data != NULL);
+ if (idx == -1)
+ m_properties.Add(var);
+ else
+ m_properties[idx] = var;
}
-
-// Write to a file
-bool wxRichTextImageBlock::Write(const wxString& filename)
+void wxRichTextProperties::SetProperty(const wxString& name, const wxString& value)
{
- return WriteBlock(filename, m_data, m_dataSize);
+ SetProperty(name, wxVariant(value, name));
}
-void wxRichTextImageBlock::Copy(const wxRichTextImageBlock& block)
+void wxRichTextProperties::SetProperty(const wxString& name, long value)
{
- m_imageType = block.m_imageType;
- if (m_data)
- {
- delete[] m_data;
- m_data = NULL;
- }
- m_dataSize = block.m_dataSize;
- if (m_dataSize == 0)
- return;
-
- m_data = new unsigned char[m_dataSize];
- unsigned int i;
- for (i = 0; i < m_dataSize; i++)
- m_data[i] = block.m_data[i];
+ SetProperty(name, wxVariant(value, name));
}
-//// Operators
-void wxRichTextImageBlock::operator=(const wxRichTextImageBlock& block)
+void wxRichTextProperties::SetProperty(const wxString& name, double value)
{
- Copy(block);
+ SetProperty(name, wxVariant(value, name));
}
-// Load a wxImage from the block
-bool wxRichTextImageBlock::Load(wxImage& image)
+void wxRichTextProperties::SetProperty(const wxString& name, bool value)
{
- if (!m_data)
- return false;
-
- // Read in the image.
-#if wxUSE_STREAMS
- wxMemoryInputStream mstream(m_data, m_dataSize);
- bool success = image.LoadFile(mstream, GetImageType());
-#else
- wxString tempFile;
- bool success = wxGetTempFileName(_("image"), tempFile) ;
- wxASSERT(success);
+ SetProperty(name, wxVariant(value, name));
+}
- if (!WriteBlock(tempFile, m_data, m_dataSize))
+void wxRichTextProperties::RemoveProperties(const wxRichTextProperties& properties)
+{
+ size_t i;
+ for (i = 0; i < properties.GetCount(); i++)
{
- return false;
+ wxString name = properties.GetProperties()[i].GetName();
+ if (HasProperty(name))
+ Remove(name);
}
- success = image.LoadFile(tempFile, GetImageType());
- wxRemoveFile(tempFile);
-#endif
+}
- return success;
+void wxRichTextProperties::MergeProperties(const wxRichTextProperties& properties)
+{
+ size_t i;
+ for (i = 0; i < properties.GetCount(); i++)
+ {
+ SetProperty(properties.GetProperties()[i]);
+ }
}
-// Write data in hex to a stream
-bool wxRichTextImageBlock::WriteHex(wxOutputStream& stream)
+wxRichTextObject* wxRichTextObjectAddress::GetObject(wxRichTextParagraphLayoutBox* topLevelContainer) const
{
- const int bufSize = 512;
- char buf[bufSize+1];
+ if (m_address.GetCount() == 0)
+ return topLevelContainer;
- int left = m_dataSize;
- int n, i, j;
- j = 0;
- while (left > 0)
+ wxRichTextCompositeObject* p = topLevelContainer;
+ size_t i = 0;
+ while (p && i < m_address.GetCount())
{
- if (left*2 > bufSize)
- {
- n = bufSize; left -= (bufSize/2);
- }
- else
- {
- n = left*2; left = 0;
- }
+ int pos = m_address[i];
+ wxASSERT(pos >= 0 && pos < (int) p->GetChildren().GetCount());
+ if (pos < 0 || pos >= (int) p->GetChildren().GetCount())
+ return NULL;
- char* b = buf;
- for (i = 0; i < (n/2); i++)
- {
- wxDecToHex(m_data[j], b, b+1);
- b += 2; j ++;
- }
+ wxRichTextObject* p1 = p->GetChild(pos);
+ if (i == (m_address.GetCount()-1))
+ return p1;
- buf[n] = 0;
- stream.Write((const char*) buf, n);
+ p = wxDynamicCast(p1, wxRichTextCompositeObject);
+ i ++;
}
- return true;
+ return NULL;
}
-// Read data in hex from a stream
-bool wxRichTextImageBlock::ReadHex(wxInputStream& stream, int length, int imageType)
+bool wxRichTextObjectAddress::Create(wxRichTextParagraphLayoutBox* topLevelContainer, wxRichTextObject* obj)
{
- int dataSize = length/2;
+ m_address.Clear();
- if (m_data)
- delete[] m_data;
+ if (topLevelContainer == obj)
+ return true;
- wxChar str[2];
- m_data = new unsigned char[dataSize];
- int i;
- for (i = 0; i < dataSize; i ++)
+ wxRichTextObject* o = obj;
+ while (o)
{
- str[0] = (char)stream.GetC();
- str[1] = (char)stream.GetC();
-
- m_data[i] = (unsigned char)wxHexToDec(str);
- }
-
- m_dataSize = dataSize;
- m_imageType = imageType;
+ wxRichTextCompositeObject* p = wxDynamicCast(o->GetParent(), wxRichTextCompositeObject);
+ if (!p)
+ return false;
- return true;
-}
+ int pos = p->GetChildren().IndexOf(o);
+ if (pos == -1)
+ return false;
-// Allocate and read from stream as a block of memory
-unsigned char* wxRichTextImageBlock::ReadBlock(wxInputStream& stream, size_t size)
-{
- unsigned char* block = new unsigned char[size];
- if (!block)
- return NULL;
+ m_address.Insert(pos, 0);
- stream.Read(block, size);
+ if (p == topLevelContainer)
+ return true;
- return block;
+ o = p;
+ }
+ return false;
}
-unsigned char* wxRichTextImageBlock::ReadBlock(const wxString& filename, size_t size)
+// Equality test
+bool wxRichTextSelection::operator==(const wxRichTextSelection& sel) const
{
- wxFileInputStream stream(filename);
- if (!stream.Ok())
- return NULL;
-
- return ReadBlock(stream, size);
+ if (m_container != sel.m_container)
+ return false;
+ if (m_ranges.GetCount() != sel.m_ranges.GetCount())
+ return false;
+ size_t i;
+ for (i = 0; i < m_ranges.GetCount(); i++)
+ if (!(m_ranges[i] == sel.m_ranges[i]))
+ return false;
+ return true;
}
-// Write memory block to stream
-bool wxRichTextImageBlock::WriteBlock(wxOutputStream& stream, unsigned char* block, size_t size)
+// Get the selections appropriate to the specified object, if any; returns wxRICHTEXT_NO_SELECTION if none
+// or none at the level of the object's container.
+wxRichTextRangeArray wxRichTextSelection::GetSelectionForObject(wxRichTextObject* obj) const
{
- stream.Write((void*) block, size);
- return stream.IsOk();
+ if (IsValid())
+ {
+ wxRichTextParagraphLayoutBox* container = obj->GetParentContainer();
-}
+ if (container == m_container)
+ return m_ranges;
-// Write memory block to file
-bool wxRichTextImageBlock::WriteBlock(const wxString& filename, unsigned char* block, size_t size)
-{
- wxFileOutputStream outStream(filename);
- if (!outStream.Ok())
- return false;
+ container = obj->GetContainer();
+ while (container)
+ {
+ if (container->GetParent())
+ {
+ // If we found that our object's container is within the range of
+ // a selection higher up, then assume the whole original object
+ // is also selected.
+ wxRichTextParagraphLayoutBox* parentContainer = container->GetParentContainer();
+ if (parentContainer == m_container)
+ {
+ if (WithinSelection(container->GetRange().GetStart(), m_ranges))
+ {
+ wxRichTextRangeArray ranges;
+ ranges.Add(obj->GetRange());
+ return ranges;
+ }
+ }
- return WriteBlock(outStream, block, size);
+ container = parentContainer;
+ }
+ else
+ {
+ container = NULL;
+ break;
+ }
+ }
+ }
+ return wxRichTextRangeArray();
}
-// Gets the extension for the block's type
-wxString wxRichTextImageBlock::GetExtension() const
+// Is the given position within the selection?
+bool wxRichTextSelection::WithinSelection(long pos, wxRichTextObject* obj) const
{
- wxImageHandler* handler = wxImage::FindHandler(GetImageType());
- if (handler)
- return handler->GetExtension();
+ if (!IsValid())
+ return false;
else
- return wxEmptyString;
+ {
+ wxRichTextRangeArray selectionRanges = GetSelectionForObject(obj);
+ return WithinSelection(pos, selectionRanges);
+ }
}
-#if wxUSE_DATAOBJ
-
-/*!
- * The data object for a wxRichTextBuffer
- */
-
-const wxChar *wxRichTextBufferDataObject::ms_richTextBufferFormatId = wxT("wxShape");
-
-wxRichTextBufferDataObject::wxRichTextBufferDataObject(wxRichTextBuffer* richTextBuffer)
+// Is the given position within the selection range?
+bool wxRichTextSelection::WithinSelection(long pos, const wxRichTextRangeArray& ranges)
{
- m_richTextBuffer = richTextBuffer;
-
- // this string should uniquely identify our format, but is otherwise
- // arbitrary
- m_formatRichTextBuffer.SetId(GetRichTextBufferFormatId());
-
- SetFormat(m_formatRichTextBuffer);
+ size_t i;
+ for (i = 0; i < ranges.GetCount(); i++)
+ {
+ const wxRichTextRange& range = ranges[i];
+ if (pos >= range.GetStart() && pos <= range.GetEnd())
+ return true;
+ }
+ return false;
}
-wxRichTextBufferDataObject::~wxRichTextBufferDataObject()
+// Is the given range completely within the selection range?
+bool wxRichTextSelection::WithinSelection(const wxRichTextRange& range, const wxRichTextRangeArray& ranges)
{
- delete m_richTextBuffer;
+ size_t i;
+ for (i = 0; i < ranges.GetCount(); i++)
+ {
+ const wxRichTextRange& eachRange = ranges[i];
+ if (range.IsWithin(eachRange))
+ return true;
+ }
+ return false;
}
-// after a call to this function, the richTextBuffer is owned by the caller and it
-// is responsible for deleting it!
-wxRichTextBuffer* wxRichTextBufferDataObject::GetRichTextBuffer()
-{
- wxRichTextBuffer* richTextBuffer = m_richTextBuffer;
- m_richTextBuffer = NULL;
+IMPLEMENT_CLASS(wxRichTextDrawingHandler, wxObject)
+IMPLEMENT_CLASS(wxRichTextDrawingContext, wxObject)
- return richTextBuffer;
+wxRichTextDrawingContext::wxRichTextDrawingContext(wxRichTextBuffer* buffer)
+{
+ Init();
+ m_buffer = buffer;
+ if (m_buffer && m_buffer->GetRichTextCtrl())
+ EnableVirtualAttributes(m_buffer->GetRichTextCtrl()->GetVirtualAttributesEnabled());
}
-wxDataFormat wxRichTextBufferDataObject::GetPreferredFormat(Direction WXUNUSED(dir)) const
+bool wxRichTextDrawingContext::HasVirtualAttributes(wxRichTextObject* obj) const
{
- return m_formatRichTextBuffer;
+ if (!GetVirtualAttributesEnabled())
+ return false;
+
+ wxList::compatibility_iterator node = m_buffer->GetDrawingHandlers().GetFirst();
+ while (node)
+ {
+ wxRichTextDrawingHandler *handler = (wxRichTextDrawingHandler*)node->GetData();
+ if (handler->HasVirtualAttributes(obj))
+ return true;
+
+ node = node->GetNext();
+ }
+ return false;
}
-size_t wxRichTextBufferDataObject::GetDataSize() const
+wxRichTextAttr wxRichTextDrawingContext::GetVirtualAttributes(wxRichTextObject* obj) const
{
- if (!m_richTextBuffer)
- return 0;
-
- wxString bufXML;
+ wxRichTextAttr attr;
+ if (!GetVirtualAttributesEnabled())
+ return attr;
+ // We apply all handlers, so we can may combine several different attributes
+ wxList::compatibility_iterator node = m_buffer->GetDrawingHandlers().GetFirst();
+ while (node)
{
- wxStringOutputStream stream(& bufXML);
- if (!m_richTextBuffer->SaveFile(stream, wxRICHTEXT_TYPE_XML))
+ wxRichTextDrawingHandler *handler = (wxRichTextDrawingHandler*)node->GetData();
+ if (handler->HasVirtualAttributes(obj))
{
- wxLogError(wxT("Could not write the buffer to an XML stream.\nYou may have forgotten to add the XML file handler."));
- return 0;
+ bool success = handler->GetVirtualAttributes(attr, obj);
+ wxASSERT(success);
+ wxUnusedVar(success);
}
- }
-#if wxUSE_UNICODE
- wxCharBuffer buffer = bufXML.mb_str(wxConvUTF8);
- return strlen(buffer) + 1;
-#else
- return bufXML.Length()+1;
-#endif
+ node = node->GetNext();
+ }
+ return attr;
}
-bool wxRichTextBufferDataObject::GetDataHere(void *pBuf) const
+bool wxRichTextDrawingContext::ApplyVirtualAttributes(wxRichTextAttr& attr, wxRichTextObject* obj) const
{
- if (!pBuf || !m_richTextBuffer)
+ if (!GetVirtualAttributesEnabled())
return false;
- wxString bufXML;
-
+ if (HasVirtualAttributes(obj))
{
- wxStringOutputStream stream(& bufXML);
- if (!m_richTextBuffer->SaveFile(stream, wxRICHTEXT_TYPE_XML))
- {
- wxLogError(wxT("Could not write the buffer to an XML stream.\nYou may have forgotten to add the XML file handler."));
- return 0;
- }
+ wxRichTextAttr a(GetVirtualAttributes(obj));
+ attr.Apply(a);
+ return true;
}
-
-#if wxUSE_UNICODE
- wxCharBuffer buffer = bufXML.mb_str(wxConvUTF8);
- size_t len = strlen(buffer);
- memcpy((char*) pBuf, (const char*) buffer, len);
- ((char*) pBuf)[len] = 0;
-#else
- size_t len = bufXML.Length();
- memcpy((char*) pBuf, (const char*) bufXML.c_str(), len);
- ((char*) pBuf)[len] = 0;
-#endif
-
- return true;
+ else
+ return false;
}
-bool wxRichTextBufferDataObject::SetData(size_t WXUNUSED(len), const void *buf)
+int wxRichTextDrawingContext::GetVirtualSubobjectAttributesCount(wxRichTextObject* obj) const
{
- delete m_richTextBuffer;
- m_richTextBuffer = NULL;
-
- wxString bufXML((const char*) buf, wxConvUTF8);
-
- m_richTextBuffer = new wxRichTextBuffer;
+ if (!GetVirtualAttributesEnabled())
+ return 0;
- wxStringInputStream stream(bufXML);
- if (!m_richTextBuffer->LoadFile(stream, wxRICHTEXT_TYPE_XML))
+ wxList::compatibility_iterator node = m_buffer->GetDrawingHandlers().GetFirst();
+ while (node)
{
- wxLogError(wxT("Could not read the buffer from an XML stream.\nYou may have forgotten to add the XML file handler."));
+ wxRichTextDrawingHandler *handler = (wxRichTextDrawingHandler*)node->GetData();
+ int count = handler->GetVirtualSubobjectAttributesCount(obj);
+ if (count > 0)
+ return count;
- delete m_richTextBuffer;
- m_richTextBuffer = NULL;
-
- return false;
+ node = node->GetNext();
}
- return true;
+ return 0;
}
-#endif
- // wxUSE_DATAOBJ
-
+int wxRichTextDrawingContext::GetVirtualSubobjectAttributes(wxRichTextObject* obj, wxArrayInt& positions, wxRichTextAttrArray& attributes) const
+{
+ if (!GetVirtualAttributesEnabled())
+ return 0;
-/*
- * wxRichTextFontTable
- * Manages quick access to a pool of fonts for rendering rich text
- */
+ wxList::compatibility_iterator node = m_buffer->GetDrawingHandlers().GetFirst();
+ while (node)
+ {
+ wxRichTextDrawingHandler *handler = (wxRichTextDrawingHandler*)node->GetData();
+ if (handler->GetVirtualSubobjectAttributes(obj, positions, attributes))
+ return positions.GetCount();
-WX_DECLARE_EXPORTED_STRING_HASH_MAP(wxFont, wxRichTextFontTableHashMap);
+ node = node->GetNext();
+ }
+ return 0;
+}
-class wxRichTextFontTableData: public wxObjectRefData
+bool wxRichTextDrawingContext::HasVirtualText(const wxRichTextPlainText* obj) const
{
-public:
- wxRichTextFontTableData() {}
+ if (!GetVirtualAttributesEnabled())
+ return false;
- wxFont FindFont(const wxTextAttr& fontSpec);
+ wxList::compatibility_iterator node = m_buffer->GetDrawingHandlers().GetFirst();
+ while (node)
+ {
+ wxRichTextDrawingHandler *handler = (wxRichTextDrawingHandler*)node->GetData();
+ if (handler->HasVirtualText(obj))
+ return true;
- wxRichTextFontTableHashMap m_hashMap;
-};
+ node = node->GetNext();
+ }
+ return false;
+}
-wxFont wxRichTextFontTableData::FindFont(const wxTextAttr& fontSpec)
+bool wxRichTextDrawingContext::GetVirtualText(const wxRichTextPlainText* obj, wxString& text) const
{
- wxString facename(fontSpec.GetFontFaceName());
- wxString spec(wxString::Format(wxT("%d-%d-%d-%d-%s-%d"), fontSpec.GetFontSize(), fontSpec.GetFontStyle(), fontSpec.GetFontWeight(), (int) fontSpec.GetFontUnderlined(), facename.c_str(), (int) fontSpec.GetFontEncoding()));
- wxRichTextFontTableHashMap::iterator entry = m_hashMap.find(spec);
+ if (!GetVirtualAttributesEnabled())
+ return false;
- if ( entry == m_hashMap.end() )
- {
- wxFont font(fontSpec.GetFontSize(), wxDEFAULT, fontSpec.GetFontStyle(), fontSpec.GetFontWeight(), fontSpec.GetFontUnderlined(), facename.c_str());
- m_hashMap[spec] = font;
- return font;
- }
- else
+ wxList::compatibility_iterator node = m_buffer->GetDrawingHandlers().GetFirst();
+ while (node)
{
- return entry->second;
+ wxRichTextDrawingHandler *handler = (wxRichTextDrawingHandler*)node->GetData();
+ if (handler->GetVirtualText(obj, text))
+ return true;
+
+ node = node->GetNext();
}
+ return false;
}
-IMPLEMENT_DYNAMIC_CLASS(wxRichTextFontTable, wxObject)
+/// Adds a handler to the end
+void wxRichTextBuffer::AddDrawingHandler(wxRichTextDrawingHandler *handler)
+{
+ sm_drawingHandlers.Append(handler);
+}
-wxRichTextFontTable::wxRichTextFontTable()
+/// Inserts a handler at the front
+void wxRichTextBuffer::InsertDrawingHandler(wxRichTextDrawingHandler *handler)
{
- m_refData = new wxRichTextFontTableData;
- m_refData->IncRef();
+ sm_drawingHandlers.Insert( handler );
}
-wxRichTextFontTable::wxRichTextFontTable(const wxRichTextFontTable& table)
+/// Removes a handler
+bool wxRichTextBuffer::RemoveDrawingHandler(const wxString& name)
{
- (*this) = table;
+ wxRichTextDrawingHandler *handler = FindDrawingHandler(name);
+ if (handler)
+ {
+ sm_drawingHandlers.DeleteObject(handler);
+ delete handler;
+ return true;
+ }
+ else
+ return false;
}
-wxRichTextFontTable::~wxRichTextFontTable()
+wxRichTextDrawingHandler* wxRichTextBuffer::FindDrawingHandler(const wxString& name)
{
- UnRef();
+ wxList::compatibility_iterator node = sm_drawingHandlers.GetFirst();
+ while (node)
+ {
+ wxRichTextDrawingHandler *handler = (wxRichTextDrawingHandler*)node->GetData();
+ if (handler->GetName().Lower() == name.Lower()) return handler;
+
+ node = node->GetNext();
+ }
+ return NULL;
}
-bool wxRichTextFontTable::operator == (const wxRichTextFontTable& table) const
+void wxRichTextBuffer::CleanUpDrawingHandlers()
{
- return (m_refData == table.m_refData);
+ wxList::compatibility_iterator node = sm_drawingHandlers.GetFirst();
+ while (node)
+ {
+ wxRichTextDrawingHandler* handler = (wxRichTextDrawingHandler*)node->GetData();
+ wxList::compatibility_iterator next = node->GetNext();
+ delete handler;
+ node = next;
+ }
+
+ sm_drawingHandlers.Clear();
}
-void wxRichTextFontTable::operator= (const wxRichTextFontTable& table)
+void wxRichTextBuffer::AddFieldType(wxRichTextFieldType *fieldType)
{
- Ref(table);
+ sm_fieldTypes[fieldType->GetName()] = fieldType;
}
-wxFont wxRichTextFontTable::FindFont(const wxTextAttr& fontSpec)
+bool wxRichTextBuffer::RemoveFieldType(const wxString& name)
{
- wxRichTextFontTableData* data = (wxRichTextFontTableData*) m_refData;
- if (data)
- return data->FindFont(fontSpec);
+ wxRichTextFieldTypeHashMap::iterator it = sm_fieldTypes.find(name);
+ if (it == sm_fieldTypes.end())
+ return false;
else
- return wxFont();
+ {
+ wxRichTextFieldType* fieldType = it->second;
+ sm_fieldTypes.erase(it);
+ delete fieldType;
+ return true;
+ }
}
-void wxRichTextFontTable::Clear()
+wxRichTextFieldType *wxRichTextBuffer::FindFieldType(const wxString& name)
{
- wxRichTextFontTableData* data = (wxRichTextFontTableData*) m_refData;
- if (data)
- data->m_hashMap.clear();
+ wxRichTextFieldTypeHashMap::iterator it = sm_fieldTypes.find(name);
+ if (it == sm_fieldTypes.end())
+ return NULL;
+ else
+ return it->second;
+}
+
+void wxRichTextBuffer::CleanUpFieldTypes()
+{
+ wxRichTextFieldTypeHashMap::iterator it;
+ for( it = sm_fieldTypes.begin(); it != sm_fieldTypes.end(); ++it )
+ {
+ wxRichTextFieldType* fieldType = it->second;
+ delete fieldType;
+ }
+
+ sm_fieldTypes.clear();
}
#endif
projects / wxWidgets.git / blobdiff