X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ff76711fbee3bc3358c69ca43b44f0c8258ad1f9..7be2a7af39888b264eb0c5787fb2914005633d1b:/src/richtext/richtextbuffer.cpp diff --git a/src/richtext/richtextbuffer.cpp b/src/richtext/richtextbuffer.cpp index 49c609d053..dbeab138df 100644 --- a/src/richtext/richtextbuffer.cpp +++ b/src/richtext/richtextbuffer.cpp @@ -28,17 +28,24 @@ #include "wx/module.h" #endif +#include "wx/settings.h" #include "wx/filename.h" #include "wx/clipbrd.h" #include "wx/wfstream.h" #include "wx/mstream.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) @@ -46,8214 +53,13310 @@ 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()) + 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) -{ - Init(); + return (int) pixels; } -/// Initialize the object. -void wxRichTextParagraphLayoutBox::Init() +// Convert units in pixels to tenths of a millimetre +int wxRichTextObject::ConvertPixelsToTenthsMM(wxDC& dc, int pixels) const { - m_ctrl = NULL; + int p = pixels; + double scale = 1.0; + if (GetBuffer()) + scale = GetBuffer()->GetScale(); - // For now, assume is the only box and has no initial size. - m_range = wxRichTextRange(0, -1); - - m_invalidRange.SetRange(-1, -1); - m_leftMargin = 4; - m_rightMargin = 4; - m_topMargin = 4; - m_bottomMargin = 4; - m_partialParagraph = false; + return ConvertPixelsToTenthsMM(dc.GetPPI().x, p, scale); } -/// Draw the item -bool wxRichTextParagraphLayoutBox::Draw(wxDC& dc, const wxRichTextRange& range, const wxRichTextRange& selectionRange, const wxRect& rect, int descent, int style) +int wxRichTextObject::ConvertPixelsToTenthsMM(int ppi, int pixels, double scale) { - wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); - while (node) - { - wxRichTextParagraph* child = wxDynamicCast(node->GetData(), wxRichTextParagraph); - wxASSERT (child != NULL); + // There are ppi pixels in 254.1 "1/10 mm" - if (child && !child->GetRange().IsOutside(range)) - { - wxRect childRect(child->GetPosition(), child->GetCachedSize()); + double p = double(pixels); - 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, range, selectionRange, childRect, descent, style); - } + if (scale != 1.0) + p *= scale; - node = node->GetNext(); - } - return true; + int units = int( p * 254.1 / (double) ppi ); + return units; } -/// Lay the item out -bool wxRichTextParagraphLayoutBox::Layout(wxDC& dc, const wxRect& rect, 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) { - wxRect availableSpace; - bool formatRect = (style & wxRICHTEXT_LAYOUT_SPECIFIED_RECT) == wxRICHTEXT_LAYOUT_SPECIFIED_RECT; + // Assume boxRect is the area around the content + wxRect marginRect = boxRect; + wxRect contentRect, borderRect, paddingRect, outlineRect; - // 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) + GetBoxRects(dc, buffer, attr, marginRect, borderRect, contentRect, paddingRect, outlineRect); + + // Margin is transparent. Draw background from margin. + if (attr.HasBackgroundColour() || (flags & wxRICHTEXT_DRAW_SELECTED)) { - availableSpace = wxRect(0 + m_leftMargin, - 0 + m_topMargin, - rect.width - m_leftMargin - m_rightMargin, - rect.height); + wxColour colour; + if (flags & wxRICHTEXT_DRAW_SELECTED) + { + // TODO: get selection colour from control? + colour = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT); + } + else + colour = attr.GetBackgroundColour(); - // 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(); + wxPen pen(colour); + wxBrush brush(colour); - Invalidate(wxRichTextRange(startPos, GetRange().GetEnd())); + dc.SetPen(pen); + dc.SetBrush(brush); + dc.DrawRectangle(borderRect); } - 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; + if (flags & wxRICHTEXT_DRAW_GUIDELINES) + { + wxRichTextAttr editBorderAttr = attr; + // 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); - wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); + DrawBorder(dc, buffer, editBorderAttr.GetTextBoxAttr().GetBorder(), borderRect, flags); + } - bool layoutAll = true; + if (attr.GetTextBoxAttr().GetBorder().IsValid()) + DrawBorder(dc, buffer, attr.GetTextBoxAttr().GetBorder(), borderRect); - // Get invalid range, rounding to paragraph start/end. - wxRichTextRange invalidRange = GetInvalidRange(true); + if (attr.GetTextBoxAttr().GetOutline().IsValid()) + DrawBorder(dc, buffer, attr.GetTextBoxAttr().GetOutline(), outlineRect); - if (invalidRange == wxRICHTEXT_NONE && !formatRect) - return true; + return true; +} - 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()) +// Draw a border +bool wxRichTextObject::DrawBorder(wxDC& dc, wxRichTextBuffer* buffer, const wxTextAttrBorders& attr, const wxRect& rect, int WXUNUSED(flags)) +{ + int borderLeft = 0, borderRight = 0, borderTop = 0, borderBottom = 0; + wxTextAttrDimensionConverter converter(dc, buffer ? buffer->GetScale() : 1.0); + + if (attr.GetLeft().IsValid() && attr.GetLeft().GetStyle() != wxTEXT_BOX_ATTR_BORDER_NONE) { - 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 && previousNode) - { - wxRichTextParagraph* previousParagraph = wxDynamicCast(previousNode->GetData(), wxRichTextParagraph); - availableSpace.y = previousParagraph->GetPosition().y + previousParagraph->GetCachedSize().y; + borderLeft = converter.GetPixels(attr.GetLeft().GetWidth()); + wxColour col(attr.GetLeft().GetColour()); - // Now we're going to start iterating from the first affected paragraph. - node = firstNode; + // 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); - layoutAll = false; - } + } + 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); } } - // A way to force speedy rest-of-buffer layout (the 'else' below) - bool forceQuickLayout = false; - - while (node) + if (attr.GetRight().IsValid() && attr.GetRight().GetStyle() != wxTEXT_BOX_ATTR_BORDER_NONE) { - // Assume this box only contains paragraphs + borderRight = converter.GetPixels(attr.GetRight().GetWidth()); - wxRichTextParagraph* child = wxDynamicCast(node->GetData(), wxRichTextParagraph); - wxCHECK_MSG( child, false, _T("Unknown object in layout") ); + wxColour col(attr.GetRight().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 (borderRight == 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.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); - // 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 (borderRight > 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.width - borderRight, rect.y, borderRight, rect.height); + } + } - int inc = availableSpace.y - child->GetPosition().y; + if (attr.GetTop().IsValid() && attr.GetTop().GetStyle() != wxTEXT_BOX_ATTR_BORDER_NONE) + { + borderTop = converter.GetPixels(attr.GetTop().GetWidth()); - 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)); + wxColour col(attr.GetTop().GetColour()); - availableSpace.y += child->GetCachedSize().y; - maxWidth = wxMax(maxWidth, child->GetCachedSize().x); - } + // If pen width is > 1, resorts to a solid rectangle. + if (borderTop == 1) + { + 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); - node = node->GetNext(); - } - break; } + else if (borderTop > 1) + { + wxPen pen(col); + wxBrush brush(col); + dc.SetPen(pen); + dc.SetBrush(brush); + dc.DrawRectangle(rect.x, rect.y, rect.width, borderTop); + } + } - node = node->GetNext(); + if (attr.GetBottom().IsValid() && attr.GetBottom().GetStyle() != wxTEXT_BOX_ATTR_BORDER_NONE) + { + borderBottom = converter.GetPixels(attr.GetBottom().GetWidth()); + wxColour col(attr.GetTop().GetColour()); + + // 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); + + } + 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, rect.width, borderBottom); + } } - SetCachedSize(wxSize(maxWidth, availableSpace.y)); + return true; +} - m_dirty = false; - m_invalidRange = wxRICHTEXT_NONE; +// 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); + } + + borderRect.x = marginRect.x + marginLeft; + borderRect.y = marginRect.y + marginTop; + borderRect.width = marginRect.width - (marginLeft + marginRight); + borderRect.height = marginRect.height - (marginTop + marginBottom); + + 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; + 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. + if (attr.HasAlignment() && !GetContainer()->GetFloatCollector()->HasFloats()) // FIXME: aligning whole paragraph not compatible with floating objects + { + // 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, wxTextAttrEx* 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. - - wxTextAttrEx defaultCharStyle; - wxTextAttrEx defaultParaStyle; - - wxRichTextSplitParaCharStyles(GetDefaultStyle(), defaultParaStyle, defaultCharStyle); - wxTextAttrEx* pStyle = paraStyle ? paraStyle : (wxTextAttrEx*) & defaultParaStyle; - wxTextAttrEx* 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, wxTextAttrEx* 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. - - wxTextAttrEx defaultCharStyle; - wxTextAttrEx defaultParaStyle; - wxRichTextSplitParaCharStyles(GetDefaultStyle(), defaultParaStyle, defaultCharStyle); + wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); + while (node) + { + wxRichTextObjectList::compatibility_iterator oldNode = node; - wxTextAttrEx* pStyle = paraStyle ? paraStyle : (wxTextAttrEx*) & defaultParaStyle; - wxTextAttrEx* 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, wxTextAttrEx* 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. - - wxTextAttrEx defaultCharStyle; - wxTextAttrEx defaultParaStyle; - wxRichTextSplitParaCharStyles(GetDefaultStyle(), defaultParaStyle, defaultCharStyle); - - wxTextAttrEx* pStyle = paraStyle ? paraStyle : (wxTextAttrEx*) & defaultParaStyle; - wxTextAttrEx* cStyle = & defaultCharStyle; + long current = start; + long lastEnd = current; - wxRichTextParagraph* para = new wxRichTextParagraph(this, pStyle); - AppendChild(para); - para->AppendChild(new wxRichTextImage(image, this, cStyle)); + if (IsTopLevel()) + { + current = 0; + lastEnd = 0; + } - UpdateRanges(); - SetDirty(true); + wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); + while (node) + { + wxRichTextObject* child = node->GetData(); + long childEnd = 0; - return para->GetRange(); -} + child->CalculateRange(current, childEnd); + lastEnd = childEnd; + current = childEnd + 1; -/// 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. + node = node->GetNext(); + } -bool wxRichTextParagraphLayoutBox::InsertFragment(long position, wxRichTextParagraphLayoutBox& fragment) -{ - SetDirty(true); + 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); - // First, find the first paragraph whose starting position is within the range. - wxRichTextParagraph* para = GetParagraphAtPosition(position); - if (para) + // An object with no children has zero length + if (m_children.GetCount() == 0) + lastEnd --; + m_ownRange.SetRange(0, lastEnd); + } + else { - wxRichTextObjectList::compatibility_iterator node = m_children.Find(para); + end = lastEnd; - // Now split at this position, returning the object to insert the new - // ones in front of. - wxRichTextObject* nextObject = para->SplitAt(position); + // An object with no children has zero length + if (m_children.GetCount() == 0) + end --; - // Special case: partial paragraph, just one paragraph. Might be a small amount of - // text, for example, so let's optimize. + m_range.SetRange(start, end); + } +} - 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; +/// Delete range from layout. +bool wxRichTextCompositeObject::DeleteRange(const wxRichTextRange& range) +{ + wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); - // Iterate through the fragment paragraph inserting the content into this paragraph. - wxRichTextParagraph* firstPara = wxDynamicCast(firstParaNode->GetData(), wxRichTextParagraph); - wxASSERT (firstPara != NULL); + while (node) + { + wxRichTextObject* obj = (wxRichTextObject*) node->GetData(); + wxRichTextObjectList::compatibility_iterator next = node->GetNext(); - // Apply the new paragraph attributes to the existing paragraph - wxTextAttrEx attr(para->GetAttributes()); - wxRichTextApplyStyle(attr, firstPara->GetAttributes()); - para->SetAttributes(attr); + // Delete the range in each paragraph - wxRichTextObjectList::compatibility_iterator objectNode = firstPara->GetChildren().GetFirst(); - while (objectNode) - { - wxRichTextObject* newObj = objectNode->GetData()->Clone(); + // 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 (!nextObject) - { - // Append - para->AppendChild(newObj); - } - else - { - // Insert before nextObject - para->InsertChild(newObj, nextObject); - } + if (!obj->GetRange().IsOutside(range)) + { + // No need to delete within a top-level object; just removing this object will do fine + if (!obj->IsTopLevel()) + obj->DeleteRange(range); - objectNode = objectNode->GetNext(); + // 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); } - - 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(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(); - // If there was only one paragraph, we need to insert a new one. - if (!i) + if (node->GetNext()) { - 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()); + wxRichTextObject* nextChild = node->GetNext()->GetData(); + if (child->CanMerge(nextChild) && child->Merge(nextChild)) + { + nextChild->Dereference(); + m_children.Erase(node->GetNext()); - if (nextParagraph) - InsertChild(finalPara, nextParagraph); - else - AppendChild(finalPara); - } - else while (i) - { - wxRichTextParagraph* para = wxDynamicCast(i->GetData(), wxRichTextParagraph); - wxASSERT( para != NULL ); - - finalPara = (wxRichTextParagraph*) para->Clone(); - - if (nextParagraph) - InsertChild(finalPara, nextParagraph); + // Don't set node -- we'll see if we can merge again with the next + // child. + } else - AppendChild(finalPara); - - i = i->GetNext(); + node = node->GetNext(); } + else + 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, wxPoint position, 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()) + { + 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), 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) - { - 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(); - } - // 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; + // Skip + } + else if (child->IsTopLevel()) + { + if (invalidRange == wxRICHTEXT_NONE) + child->Invalidate(wxRICHTEXT_NONE); + else + child->Invalidate(wxRICHTEXT_ALL); // All children must be invalidated if within parent range } 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(); - - while (node) - { - wxRichTextParagraph* obj = wxDynamicCast(node->GetData(), wxRichTextParagraph); - wxASSERT (obj != NULL); + m_ctrl = NULL; - wxRichTextObjectList::compatibility_iterator next = node->GetNext(); + // For now, assume is the only box and has no initial size. + m_range = wxRichTextRange(0, -1); + m_ownRange = wxRichTextRange(0, -1); - // Delete the range in each paragraph + m_invalidRange = wxRICHTEXT_ALL; - if (!obj->GetRange().IsOutside(range)) - { - // Deletes the content of this object within the given range - obj->DeleteRange(range); + m_partialParagraph = false; + m_floatCollector = NULL; +} - // 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 +void wxRichTextParagraphLayoutBox::Clear() +{ + DeleteChildren(); - if (next) - { - wxRichTextParagraph* nextParagraph = wxDynamicCast(next->GetData(), wxRichTextParagraph); - next = next->GetNext(); - if (nextParagraph) - { - // Delete the stuff we need to delete - nextParagraph->DeleteRange(range); + if (m_floatCollector) + delete m_floatCollector; + m_floatCollector = NULL; + m_partialParagraph = false; +} - // Move the objects to the previous para - wxRichTextObjectList::compatibility_iterator node1 = nextParagraph->GetChildren().GetFirst(); +/// Copy +void wxRichTextParagraphLayoutBox::Copy(const wxRichTextParagraphLayoutBox& obj) +{ + Clear(); - while (node1) - { - wxRichTextObject* obj1 = node1->GetData(); + wxRichTextCompositeObject::Copy(obj); - // If the object is empty, optimise it out - if (obj1->IsEmpty()) - { - delete obj1; - } - else - { - obj->AppendChild(obj1); - } + m_partialParagraph = obj.m_partialParagraph; + m_defaultAttributes = obj.m_defaultAttributes; +} - wxRichTextObjectList::compatibility_iterator next1 = node1->GetNext(); - nextParagraph->GetChildren().Erase(node1); - - node1 = next1; - } - - // Delete the paragraph - RemoveChild(nextParagraph, true); - - } - } - - } - } - - node = next; - } - - return true; -} - -/// 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)) - { -// if (lineCount > 0) -// text += wxT("\n"); - wxRichTextRange childRange = range; - childRange.LimitTo(child->GetRange()); - - wxString childText = child->GetTextForRange(childRange); - - text += childText; - - if (childRange.GetEnd() == child->GetRange().GetEnd()) - 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 (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 (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.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); + + 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 wxRichTextAttr& 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); + wxRect availableSpace; + bool formatRect = (style & wxRICHTEXT_LAYOUT_SPECIFIED_RECT) == wxRICHTEXT_LAYOUT_SPECIFIED_RECT; - // Apply paragraph style first, if any - wxRichTextAttr wholeStyle(style); + wxRichTextAttr attr(GetAttributes()); + context.ApplyVirtualAttributes(attr, this); - if (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->GetStyle()); - } + 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. - wxRichTextAttr 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 (characterAttributes.HasCharacterStyleName() && GetStyleSheet()) + Invalidate(wxRichTextRange(startPos, GetOwnRange().GetEnd())); + } + else { - wxRichTextCharacterStyleDefinition* def = GetStyleSheet()->FindCharacterStyle(characterAttributes.GetCharacterStyleName()); - if (def) - wxRichTextApplyStyle(characterAttributes, def->GetStyle()); + 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; - wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); - while (node) - { - wxRichTextParagraph* para = wxDynamicCast(node->GetData(), wxRichTextParagraph); - wxASSERT (para != NULL); + // The maximum paragraph minimum width, so we can set the overall minimum width for this object + int maxMinWidth = 0; - if (para && para->GetChildCount() > 0) - { - // Stop searching if we're beyond the range of interest - if (para->GetRange().GetStart() > range.GetEnd()) - break; + // If we have vertical alignment, we must recalculate everything. + bool hasVerticalAlignment = (attr.GetTextBoxAttr().HasVerticalAlignment() && + (attr.GetTextBoxAttr().GetVerticalAlignment() > wxTEXT_BOX_ATTR_VERTICAL_ALIGNMENT_TOP)); - 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); + wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); - if (haveControl && withUndo) - { - newPara = new wxRichTextParagraph(*para); - action->GetNewParagraphs().AppendChild(newPara); + bool layoutAll = true; - // Also store the old ones for Undo - action->GetOldParagraphs().AppendChild(new wxRichTextParagraph(*para)); - } - else - newPara = para; + // Get invalid range, rounding to paragraph start/end. + wxRichTextRange invalidRange = GetInvalidRange(true); - // If we're specifying paragraphs only, then we really mean character formatting - // to be included in the paragraph style - if ((paragraphStyle || parasOnly) && !charactersOnly) + if (invalidRange == wxRICHTEXT_NONE && !formatRect) + return true; + + 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) { - 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()); - wxRichTextApplyStyle(newPara->GetAttributes(), wholeStyle, & combinedAttr); - } - else - wxRichTextApplyStyle(newPara->GetAttributes(), wholeStyle); - } + wxRichTextParagraph* previousParagraph = wxDynamicCast(previousNode->GetData(), wxRichTextParagraph); + availableSpace.y = previousParagraph->GetPosition().y + previousParagraph->GetCachedSize().y; } - // 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. + // Now we're going to start iterating from the first affected paragraph. + node = firstNode; - // 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); - - 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. + 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 (resetExistingStyle) - child->GetAttributes() = characterAttributes; - else + if (child->GetLines().GetCount() == 0) { - 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())); - wxRichTextApplyStyle(child->GetAttributes(), characterAttributes, & combinedAttr); - } - else - wxRichTextApplyStyle(child->GetAttributes(), characterAttributes); - } + // 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); - if (node2 == lastNode) - break; + //child->Layout(dc, availableChildRect, style); + } + else + 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; -} - -/// Set text attributes -bool wxRichTextParagraphLayoutBox::SetStyle(const wxRichTextRange& range, const wxTextAttrEx& style, int flags) -{ - wxRichTextAttr richStyle = style; - return SetStyle(range, richStyle, flags); -} - -/// Get the text attributes for this position. -bool wxRichTextParagraphLayoutBox::GetStyle(long position, wxTextAttrEx& style) -{ - return DoGetStyle(position, style, true); -} - -/// Get the text attributes for this position. -bool wxRichTextParagraphLayoutBox::GetStyle(long position, wxRichTextAttr& style) -{ - wxTextAttrEx textAttrEx(style); - if (GetStyle(position, textAttrEx)) + node = m_children.GetLast(); + if (node && node->GetData()->IsShown()) { - style = textAttrEx; - return true; + wxRichTextObject* child = node->GetData(); + maxHeight = child->GetPosition().y - (GetPosition().y + topMargin) + child->GetCachedSize().y; } else - return false; -} + maxHeight = 0; // topMargin + bottomMargin; -/// Get the content (uncombined) attributes for this position. -bool wxRichTextParagraphLayoutBox::GetUncombinedStyle(long position, wxTextAttrEx& style) -{ - return DoGetStyle(position, style, false); -} - -bool wxRichTextParagraphLayoutBox::GetUncombinedStyle(long position, wxRichTextAttr& style) -{ - wxTextAttrEx textAttrEx(style); - if (GetUncombinedStyle(position, textAttrEx)) + // Check the bottom edge of any floating object + if (GetFloatCollector() && GetFloatCollector()->HasFloats()) { - style = textAttrEx; - return true; + int bottom = GetFloatCollector()->GetLastRectBottom(); + if (bottom > maxHeight) + maxHeight = bottom; } - else - return false; -} - -/// Implementation helper for GetStyle. If combineStyles is true, combine base, paragraph and -/// context attributes. -bool wxRichTextParagraphLayoutBox::DoGetStyle(long position, wxTextAttrEx& style, bool combineStyles) -{ - wxRichTextObject* obj wxDUMMY_INITIALIZE(NULL); - if (style.IsParagraphStyle()) + if (attr.GetTextBoxAttr().GetSize().GetWidth().IsValid()) { - obj = GetParagraphAtPosition(position); - if (obj) - { - if (combineStyles) - { - // Start with the base style - style = GetAttributes(); - - // Apply the paragraph style - wxRichTextApplyStyle(style, obj->GetAttributes()); - } - else - style = obj->GetAttributes(); + 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(); - - return true; - } + // 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 false; -} -static bool wxHasStyle(long flags, long style) -{ - return (flags & style) != 0; -} + // 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. -/// Combines 'style' with 'currentStyle' for the purpose of summarising the attributes of a range of -/// content. -bool wxRichTextParagraphLayoutBox::CollectStyle(wxTextAttrEx& currentStyle, const wxTextAttrEx& style, long& multipleStyleAttributes, int& multipleTextEffectAttributes) -{ - if (style.HasFont()) + // We need to add back the margins etc. { - if (style.HasSize() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_FONT_SIZE)) - { - if (currentStyle.GetFont().Ok() && currentStyle.HasSize()) - { - if (currentStyle.GetFont().GetPointSize() != style.GetFont().GetPointSize()) - { - // Clash of style - mark as such - multipleStyleAttributes |= wxTEXT_ATTR_FONT_SIZE; - currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_FONT_SIZE); - } - } - else - { - if (!currentStyle.GetFont().Ok()) - wxSetFontPreservingStyles(currentStyle, *wxNORMAL_FONT); - wxFont font(currentStyle.GetFont()); - font.SetPointSize(style.GetFont().GetPointSize()); + 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()); + } - wxSetFontPreservingStyles(currentStyle, font); - currentStyle.SetFlags(currentStyle.GetFlags() | wxTEXT_ATTR_FONT_SIZE); - } - } + // 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()); + } - if (style.HasItalic() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_FONT_ITALIC)) - { - if (currentStyle.GetFont().Ok() && currentStyle.HasItalic()) - { - if (currentStyle.GetFont().GetStyle() != style.GetFont().GetStyle()) - { - // Clash of style - mark as such - multipleStyleAttributes |= wxTEXT_ATTR_FONT_ITALIC; - currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_FONT_ITALIC); - } - } - else - { - if (!currentStyle.GetFont().Ok()) - wxSetFontPreservingStyles(currentStyle, *wxNORMAL_FONT); - wxFont font(currentStyle.GetFont()); - font.SetStyle(style.GetFont().GetStyle()); - wxSetFontPreservingStyles(currentStyle, font); - currentStyle.SetFlags(currentStyle.GetFlags() | wxTEXT_ATTR_FONT_ITALIC); - } - } + // The minimum size is the greatest of all minimum widths for all paragraphs. + { + 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.HasWeight() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_FONT_WEIGHT)) + 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.GetFont().Ok() && currentStyle.HasWeight()) + if (attr.GetTextBoxAttr().GetVerticalAlignment() == wxTEXT_BOX_ATTR_VERTICAL_ALIGNMENT_CENTRE) { - if (currentStyle.GetFont().GetWeight() != style.GetFont().GetWeight()) - { - // Clash of style - mark as such - multipleStyleAttributes |= wxTEXT_ATTR_FONT_WEIGHT; - currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_FONT_WEIGHT); - } + yOffset = (leftOverSpace/2); } - else + else if (attr.GetTextBoxAttr().GetVerticalAlignment() == wxTEXT_BOX_ATTR_VERTICAL_ALIGNMENT_BOTTOM) { - if (!currentStyle.GetFont().Ok()) - wxSetFontPreservingStyles(currentStyle, *wxNORMAL_FONT); - wxFont font(currentStyle.GetFont()); - font.SetWeight(style.GetFont().GetWeight()); - wxSetFontPreservingStyles(currentStyle, font); - currentStyle.SetFlags(currentStyle.GetFlags() | wxTEXT_ATTR_FONT_WEIGHT); + yOffset = leftOverSpace; } } - if (style.HasFaceName() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_FONT_FACE)) + // Move all the children to vertically align the content + // This doesn't take into account floating objects, unfortunately. + if (yOffset != 0) { - if (currentStyle.GetFont().Ok() && currentStyle.HasFaceName()) - { - wxString faceName1(currentStyle.GetFont().GetFaceName()); - wxString faceName2(style.GetFont().GetFaceName()); - - if (faceName1 != faceName2) - { - // Clash of style - mark as such - multipleStyleAttributes |= wxTEXT_ATTR_FONT_FACE; - currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_FONT_FACE); - } - } - else + wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); + while (node) { - if (!currentStyle.GetFont().Ok()) - wxSetFontPreservingStyles(currentStyle, *wxNORMAL_FONT); - wxFont font(currentStyle.GetFont()); - font.SetFaceName(style.GetFont().GetFaceName()); - wxSetFontPreservingStyles(currentStyle, font); - currentStyle.SetFlags(currentStyle.GetFlags() | wxTEXT_ATTR_FONT_FACE); - } - } + wxRichTextParagraph* child = wxDynamicCast(node->GetData(), wxRichTextParagraph); + if (child) + child->Move(wxPoint(child->GetPosition().x, child->GetPosition().y + yOffset)); - if (style.HasUnderlined() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_FONT_UNDERLINE)) - { - if (currentStyle.GetFont().Ok() && currentStyle.HasUnderlined()) - { - if (currentStyle.GetFont().GetUnderlined() != style.GetFont().GetUnderlined()) - { - // Clash of style - mark as such - multipleStyleAttributes |= wxTEXT_ATTR_FONT_UNDERLINE; - currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_FONT_UNDERLINE); - } - } - else - { - if (!currentStyle.GetFont().Ok()) - wxSetFontPreservingStyles(currentStyle, *wxNORMAL_FONT); - wxFont font(currentStyle.GetFont()); - font.SetUnderlined(style.GetFont().GetUnderlined()); - wxSetFontPreservingStyles(currentStyle, font); - currentStyle.SetFlags(currentStyle.GetFlags() | wxTEXT_ATTR_FONT_UNDERLINE); + node = node->GetNext(); } } } - if (style.HasTextColour() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_TEXT_COLOUR)) - { - if (currentStyle.HasTextColour()) - { - if (currentStyle.GetTextColour() != style.GetTextColour()) - { - // Clash of style - mark as such - multipleStyleAttributes |= wxTEXT_ATTR_TEXT_COLOUR; - currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_TEXT_COLOUR); - } - } - else - currentStyle.SetTextColour(style.GetTextColour()); - } + m_invalidRange = wxRICHTEXT_NONE; + + return true; +} - if (style.HasBackgroundColour() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_BACKGROUND_COLOUR)) +/// Get/set the size for the given range. +bool wxRichTextParagraphLayoutBox::GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, wxRichTextDrawingContext& context, int flags, wxPoint position, wxArrayInt* WXUNUSED(partialExtents)) const +{ + wxSize sz; + + 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.HasBackgroundColour()) + // child is a paragraph + wxRichTextObject* child = node->GetData(); + const wxRichTextRange& r = child->GetRange(); + + if (r.GetStart() <= range.GetStart() && r.GetEnd() >= range.GetStart()) { - if (currentStyle.GetBackgroundColour() != style.GetBackgroundColour()) - { - // Clash of style - mark as such - multipleStyleAttributes |= wxTEXT_ATTR_BACKGROUND_COLOUR; - currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_BACKGROUND_COLOUR); - } + startPara = node; + break; } - else - currentStyle.SetBackgroundColour(style.GetBackgroundColour()); + + node = node->GetNext(); } - if (style.HasAlignment() && !wxHasStyle(multipleStyleAttributes, wxTEXT_ATTR_ALIGNMENT)) + // Next find the last paragraph containing part of the range + node = m_children.GetFirst(); + while (node) { - if (currentStyle.HasAlignment()) + // child is a paragraph + wxRichTextObject* child = node->GetData(); + const wxRichTextRange& r = child->GetRange(); + + if (r.GetStart() <= range.GetEnd() && r.GetEnd() >= range.GetEnd()) { - if (currentStyle.GetAlignment() != style.GetAlignment()) - { - // Clash of style - mark as such - multipleStyleAttributes |= wxTEXT_ATTR_ALIGNMENT; - currentStyle.SetFlags(currentStyle.GetFlags() & ~wxTEXT_ATTR_ALIGNMENT); - } + endPara = node; + break; } - else - currentStyle.SetAlignment(style.GetAlignment()); + + node = node->GetNext(); } - 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()); - } - - 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); - 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(); + // Return first child in buffer if position is -1 + // if (pos == -1) + // return child; - if (currentRelevantTextEffects != newRelevantTextEffects) - { - // Find the text effects that were different, using XOR - int differentEffects = currentRelevantTextEffects ^ newRelevantTextEffects; - - // 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, wxTextAttrEx& style) +/// Get the line at the given position +wxRichTextLine* wxRichTextParagraphLayoutBox::GetLineAtPosition(long pos, bool caretPosition) const { - style = wxTextAttrEx(); + if (caretPosition) + pos ++; - // The attributes that aren't valid because of multiple styles within the range - long multipleStyleAttributes = 0; - int multipleTextEffectAttributes = 0; - - 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) - { - wxTextAttrEx 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 - wxTextAttrEx 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())) - { - wxTextAttrEx 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 wxTextAttrEx& 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 wxRichTextAttr& 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 ++; - wxTextAttrEx 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; } -bool wxRichTextParagraphLayoutBox::HasCharacterAttributes(const wxRichTextRange& range, const wxTextAttrEx& style) const -{ - wxRichTextAttr richStyle = style; - return HasCharacterAttributes(range, richStyle); -} - -/// 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 +/// 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)) - { - wxTextAttrEx 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; } -bool wxRichTextParagraphLayoutBox::HasParagraphAttributes(const wxRichTextRange& range, const wxTextAttrEx& style) const -{ - wxRichTextAttr richStyle = style; - return HasParagraphAttributes(range, richStyle); -} -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->GetStyle(); - foundCount ++; - } - else if (listDef && !paraDef) - { - // Set overall style defined for the list style definition - para->GetAttributes() = listDef->GetStyle(); + 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->GetStyle()); - 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->GetStyle(); + 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->GetStyle(); - 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) -{ - 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 - wxTextAttrEx listStyle(def->GetCombinedStyleForLevel(thisLevel)); - 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); - wxRichTextStyleSheet* styleSheet = GetStyleSheet(); - if (styleSheet && !newPara->GetAttributes().GetParagraphStyleName().IsEmpty()) - { - wxRichTextParagraphStyleDefinition* def = styleSheet->FindParagraphStyle(newPara->GetAttributes().GetParagraphStyleName()); - if (def) - { - newPara->GetAttributes() = def->GetStyle(); - } - } + 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(); } + + 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. - node = node->GetNext(); - } + // 1. Remove and save objects after split point. + wxList savedObjects; + if (nextObject) + para->MoveToList(nextObject, savedObjects); - // Do action, or delay it until end of batch. - if (haveControl && withUndo) - GetRichTextCtrl()->GetBuffer().SubmitAction(action); + // 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); -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; -} + if (!(fragment.GetAttributes().GetFlags() & wxTEXT_ATTR_KEEP_FIRST_PARA_STYLE)) + para->SetAttributes(firstPara->GetAttributes()); -/// Clear list for given range -bool wxRichTextParagraphLayoutBox::ClearListStyle(const wxRichTextRange& range, int flags) -{ - return SetListStyle(range, NULL, flags); -} + // 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 -bool wxRichTextParagraphLayoutBox::NumberList(const wxRichTextRange& range, wxRichTextListStyleDefinition* def, int flags, int startFrom, int specifiedLevel) -{ - return DoNumberList(range, range, 0, def, flags, startFrom, specifiedLevel); -} + wxRichTextObjectList::compatibility_iterator objectNode = firstPara->GetChildren().GetFirst(); -/// 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) -{ - 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); + wxRichTextPlainText* text = new wxRichTextPlainText(wxEmptyString); + text->SetAttributes(emptyParagraphAttributes); - // Also store the old ones for Undo - action->GetOldParagraphs().AppendChild(new wxRichTextParagraph(*para)); + finalPara->AppendChild(text); } - else - newPara = para; + } - wxRichTextListStyleDefinition* defToUse = def; - if (!defToUse) - { - wxRichTextStyleSheet* sheet = GetStyleSheet(); + if ((fragment.GetAttributes().GetFlags() & wxTEXT_ATTR_KEEP_FIRST_PARA_STYLE) && firstPara) + finalPara->SetAttributes(firstPara->GetAttributes()); + else if (finalPara && finalPara != para) + finalPara->SetAttributes(originalAttr); - if (sheet && !newPara->GetAttributes().GetListStyleName().IsEmpty()) - defToUse = sheet->FindListStyle(newPara->GetAttributes().GetListStyleName()); - } + return true; + } + } + else + { + // Append + wxRichTextObjectList::compatibility_iterator i = fragment.GetChildren().GetFirst(); + while (i) + { + wxRichTextParagraph* para = wxDynamicCast(i->GetData(), wxRichTextParagraph); + wxASSERT( para != NULL ); - if (defToUse) - { - int thisIndent = newPara->GetAttributes().GetLeftIndent(); - int thisLevel = defToUse->FindLevelForIndent(thisIndent); + AppendChild(para->Clone()); - // If we've specified a level to apply to all, change the level. - if (specifiedLevel != -1) - thisLevel = specifiedLevel; + i = i->GetNext(); + } - // Do promotion if specified - if ((promoteBy != 0) && !para->GetRange().IsOutside(promotionRange)) - { - thisLevel = thisLevel - promoteBy; - if (thisLevel < 0) - thisLevel = 0; - if (thisLevel > 9) - thisLevel = 9; - } + return true; + } +} - // Apply the overall list style, and item style for this level - wxTextAttrEx listStyle(defToUse->GetCombinedStyleForLevel(thisLevel)); - wxRichTextApplyStyle(newPara->GetAttributes(), listStyle); +/// 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 ); - // OK, we've (re)applied the style, now let's get the numbering right. + if (!para->GetRange().IsOutside(range)) + { + fragment.AppendChild(para->Clone()); + } + i = i->GetNext(); + } - if (currentLevel == -1) - currentLevel = thisLevel; + // 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 ); - // 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; - } + wxRichTextParagraph* lastPara = wxDynamicCast(fragment.GetChildren().GetLast()->GetData(), wxRichTextParagraph); + wxASSERT( lastPara != NULL ); - // 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] ++; - } + if (!firstPara || !lastPara) + return false; - newPara->GetAttributes().SetBulletNumber(levels[currentLevel]); + bool isFragment = (range.GetEnd() < lastPara->GetRange().GetEnd()); - // 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); - } - } - } - } + long firstPos = firstPara->GetRange().GetStart(); - node = node->GetNext(); - } + // Adjust for renumbering from zero + wxRichTextRange topTailRange(range.GetStart() - firstPos, range.GetEnd() - firstPos); - // Do action, or delay it until end of batch. - if (haveControl && withUndo) - GetRichTextCtrl()->GetBuffer().SubmitAction(action); + long end; + fragment.CalculateRange(0, end); - return true; -} + // Chop off the start of the paragraph + if (topTailRange.GetStart() > 0) + { + wxRichTextRange r(0, topTailRange.GetStart()-1); + firstPara->DeleteRange(r); -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; -} + // Make sure the numbering is correct + 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. + // 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()); + } - // For now, only renumber within the promotion range. + if (topTailRange.GetStart() < lastPara->GetRange().GetEnd()) + { + lastPara->DeleteRange(topTailRange); - return DoNumberList(range, range, promoteBy, def, flags, 1, specifiedLevel); -} + // Make sure the numbering is correct + long end; + fragment.CalculateRange(0, end); -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); + // We only have part of a paragraph at the end + fragment.SetPartialParagraph(true); + } + else + { + // We have a partial paragraph (don't save last new paragraph marker) + // or complete paragraph + fragment.SetPartialParagraph(isFragment); + } } - return false; + + return true; } -/// 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 +/// 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 (!previousParagraph->GetAttributes().HasFlag(wxTEXT_ATTR_BULLET_STYLE) || previousParagraph->GetAttributes().GetBulletStyle() == wxTEXT_ATTR_BULLET_STYLE_NONE) - return false; - - wxRichTextStyleSheet* sheet = GetStyleSheet(); - if (sheet && !previousParagraph->GetAttributes().GetListStyleName().IsEmpty()) + if (caretPosition) + pos ++; + + int lineCount = 0; + + wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); + while (node) { - wxRichTextListStyleDefinition* def = sheet->FindListStyle(previousParagraph->GetAttributes().GetListStyleName()); - if (def) - { - // int thisIndent = previousParagraph->GetAttributes().GetLeftIndent(); - // int thisLevel = def->FindLevelForIndent(thisIndent); - - bool isOutline = (previousParagraph->GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_OUTLINE) != 0; + wxRichTextParagraph* child = wxDynamicCast(node->GetData(), wxRichTextParagraph); + // wxASSERT( child != NULL ); - 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 (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, wxTextAttrEx* style): - wxRichTextBox(parent) -{ - if (style) - SetAttributes(*style); -} + if (lineCount == lineNumber) + return line; -wxRichTextParagraph::wxRichTextParagraph(const wxString& text, wxRichTextObject* parent, wxTextAttrEx* paraStyle, wxTextAttrEx* 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) { - wxTextAttrEx 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); - wxTextAttrEx bulletAttr(GetCombinedAttributes()); + wxRichTextObjectList::compatibility_iterator next = node->GetNext(); - // Get line height from first line, if any - wxRichTextLine* line = m_cachedLines.GetFirst() ? (wxRichTextLine* ) m_cachedLines.GetFirst()->GetData() : (wxRichTextLine*) NULL; + if (obj) + { + // Delete the range in each paragraph - wxPoint linePos; - int lineHeight wxDUMMY_INITIALIZE(0); - if (line) - { - lineHeight = line->GetSize().y; - linePos = line->GetPosition() + GetPosition(); - } - else + if (!obj->GetRange().IsOutside(range)) { - wxFont font; - if (bulletAttr.GetFont().Ok()) - font = bulletAttr.GetFont(); - else - font = (*wxNORMAL_FONT); + // Deletes the content of this object within the given range + obj->DeleteRange(range); - dc.SetFont(font); + wxRichTextRange thisRange = obj->GetRange(); + wxRichTextAttr thisAttr = obj->GetAttributes(); - lineHeight = dc.GetCharHeight(); - linePos = GetPosition(); - linePos.y += spaceBeforePara; - } + // If the whole paragraph is within the range to delete, + // delete the whole thing. + if (range.GetStart() <= thisRange.GetStart() && range.GetEnd() >= thisRange.GetEnd()) + { + // Delete the whole object + RemoveChild(obj, true); + obj = NULL; + } + else if (!firstPara) + firstPara = obj; - wxRect bulletRect(GetPosition().x + leftIndent, linePos.y, linePos.x - (GetPosition().x + leftIndent), lineHeight); + // 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 - 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); - } - } - } + 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); + } - // Draw the range for each line, one object at a time. + bool applyFinalParagraphStyle = firstPara && nextParagraph && nextParagraph != firstPara; - wxRichTextLineList::compatibility_iterator node = m_cachedLines.GetFirst(); - while (node) - { - wxRichTextLine* line = node->GetData(); - wxRichTextRange lineRange = line->GetAbsoluteRange(); + 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(); + } - int maxDescent = line->GetDescent(); + if (firstPara && nextParagraph && firstPara != nextParagraph) + { + // Move the objects to the previous para + wxRichTextObjectList::compatibility_iterator node1 = nextParagraph->GetChildren().GetFirst(); - // Lines are specified relative to the paragraph + while (node1) + { + wxRichTextObject* obj1 = node1->GetData(); - wxPoint linePosition = line->GetPosition() + GetPosition(); - wxPoint objectPosition = linePosition; + firstPara->AppendChild(obj1); - // Loop through objects until we get to the one within range - wxRichTextObjectList::compatibility_iterator node2 = m_children.GetFirst(); - while (node2) - { - 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); + wxRichTextObjectList::compatibility_iterator next1 = node1->GetNext(); + nextParagraph->GetChildren().Erase(node1); - wxSize objectSize; - int descent = 0; - child->GetRangeSize(objectRange, objectSize, descent, dc, wxRICHTEXT_UNFORMATTED, objectPosition); + node1 = next1; + } - // 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); + // Delete the paragraph + RemoveChild(nextParagraph, true); + } - 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; + // Avoid empty paragraphs + if (firstPara && firstPara->GetChildren().GetCount() == 0) + { + wxRichTextPlainText* text = new wxRichTextPlainText(wxEmptyString); + firstPara->AppendChild(text); + } - node2 = node2->GetNext(); + if (applyFinalParagraphStyle) + firstPara->SetAttributes(nextParaAttr); + + return true; + } + } } - node = node->GetNext(); + node = next; } return true; } -/// Lay the item out -bool wxRichTextParagraph::Layout(wxDC& dc, const wxRect& rect, int style) +/// Get any text in this object for the given range +wxString wxRichTextParagraphLayoutBox::GetTextForRange(const wxRichTextRange& range) const { - wxTextAttrEx attr = GetCombinedAttributes(); + int lineCount = 0; + wxString text; + wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); + while (node) + { + wxRichTextObject* child = node->GetData(); + if (!child->GetRange().IsOutside(range)) + { + wxRichTextRange childRange = range; + childRange.LimitTo(child->GetRange()); - // ClearLines(); + wxString childText = child->GetTextForRange(childRange); - // 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()); + text += childText; - int lineSpacing = 0; + if ((childRange.GetEnd() == child->GetRange().GetEnd()) && node->GetNext()) + text += wxT("\n"); - // Let's assume line spacing of 10 is normal, 15 is 1.5, 20 is 2, etc. - if (attr.GetLineSpacing() > 10 && attr.GetFont().Ok()) - { - dc.SetFont(attr.GetFont()); - lineSpacing = (ConvertTenthsMMToPixels(dc, dc.GetCharHeight()) * attr.GetLineSpacing())/10; + lineCount ++; + } + node = node->GetNext(); } - // Available space for text on each line differs. - int availableTextSpaceFirstLine = rect.GetWidth() - leftIndent - rightIndent; - - // Bullets start the text at the same position as subsequent lines - if (attr.GetBulletStyle() != wxTEXT_ATTR_BULLET_STYLE_NONE) - availableTextSpaceFirstLine -= leftSubIndent; + return text; +} - int availableTextSpaceSubsequentLines = rect.GetWidth() - leftIndent - rightIndent - leftSubIndent; +/// Get all the text +wxString wxRichTextParagraphLayoutBox::GetText() const +{ + return GetTextForRange(GetOwnRange()); +} - // Start position for each line relative to the paragraph - int startPositionFirstLine = leftIndent; - int startPositionSubsequentLines = leftIndent + leftSubIndent; +/// Get the paragraph by number +wxRichTextParagraph* wxRichTextParagraphLayoutBox::GetParagraphAtLine(long paragraphNumber) const +{ + if ((size_t) paragraphNumber >= GetChildCount()) + return NULL; - // 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; + return (wxRichTextParagraph*) GetChild((size_t) paragraphNumber); +} - long lastEndPos = GetRange().GetStart()-1; - long lastCompletedEndPos = lastEndPos; +/// 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; +} - int currentWidth = 0; - SetPosition(rect.GetPosition()); +/// 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; +} - wxPoint currentPosition(0, spaceBeforePara); // We will calculate lines relative to paragraph - int lineHeight = 0; - int maxWidth = 0; - int maxDescent = 0; +/// 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) + { + return para->GetRange().GetStart() + x; + } + else + return -1; +} - int lineCount = 0; +/// 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(); + } - // Split up lines + *y = count; + *x = pos - para->GetRange().GetStart(); - // 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. + return true; + } + else + return false; +} - wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); - while (node) +/// 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) { - wxRichTextObject* child = node->GetData(); + wxRichTextObjectList::compatibility_iterator node = para->GetChildren().GetFirst(); - // 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. + while (node) + { + wxRichTextObject* child = node->GetData(); + if (child->GetRange().Contains(position)) + return child; - // TODO: can't this be called only once per child? - child->Layout(dc, rect, style); + node = node->GetNext(); + } + if (position == para->GetRange().GetEnd() && para->GetChildCount() > 0) + return para->GetChildren().GetLast()->GetData(); + } + return NULL; +} - // Available width depends on whether we're on the first or subsequent lines - int availableSpaceForText = (lineCount == 0 ? availableTextSpaceFirstLine : availableTextSpaceSubsequentLines); +/// 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; - currentPosition.x = (lineCount == 0 ? startPositionFirstLine : startPositionSubsequentLines); + if (style.IsCharacterStyle()) + characterStyle = true; + if (style.IsParagraphStyle()) + paragraphStyle = true; - // 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. - - long nextBreakPos = GetFirstLineBreakPosition(lastEndPos+1); - long lastPosToUse = child->GetRange().GetEnd(); - bool lineBreakInThisObject = (nextBreakPos > -1 && nextBreakPos <= child->GetRange().GetEnd()); - - if (lineBreakInThisObject) - lastPosToUse = nextBreakPos; + wxRichTextBuffer* buffer = GetBuffer(); - wxSize childSize; - int childDescent = 0; - - if ((nextBreakPos == -1) && (lastEndPos == child->GetRange().GetStart() - 1)) // i.e. we want to get the whole thing - { - childSize = child->GetCachedSize(); - childDescent = child->GetDescent(); - } - else - GetRangeSize(wxRichTextRange(lastEndPos+1, lastPosToUse), childSize, childDescent, dc, wxRICHTEXT_UNFORMATTED, rect.GetPosition()); + 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); - // 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) + // Apply paragraph style first, if any + wxRichTextAttr wholeStyle(style); - if ((lineBreakInThisObject && (childSize.x + currentWidth <= availableSpaceForText)) || - (childSize.x + currentWidth > availableSpaceForText)) - { - long wrapPosition = 0; + if (!removeStyle && wholeStyle.HasParagraphStyleName() && buffer->GetStyleSheet()) + { + wxRichTextParagraphStyleDefinition* def = buffer->GetStyleSheet()->FindParagraphStyle(wholeStyle.GetParagraphStyleName()); + if (def) + wxRichTextApplyStyle(wholeStyle, def->GetStyleMergedWithBase(buffer->GetStyleSheet())); + } - // 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(); - } + // Limit the attributes to be set to the content to only character attributes. + wxRichTextAttr characterAttributes(wholeStyle); + characterAttributes.SetFlags(characterAttributes.GetFlags() & (wxTEXT_ATTR_CHARACTER)); - // 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 (!removeStyle && characterAttributes.HasCharacterStyleName() && buffer->GetStyleSheet()) + { + wxRichTextCharacterStyleDefinition* def = buffer->GetStyleSheet()->FindCharacterStyle(characterAttributes.GetCharacterStyleName()); + if (def) + wxRichTextApplyStyle(characterAttributes, def->GetStyleMergedWithBase(buffer->GetStyleSheet())); + } - // wxLogDebug(wxT("Split at %ld"), wrapPosition); + // If we are associated with a control, make undoable; otherwise, apply immediately + // to the data. - // 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); - - // Add a new line - wxRichTextLine* line = AllocateLine(lineCount); - - // 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); + bool haveControl = (buffer->GetRichTextCtrl() != NULL); - // Now move down a line. TODO: add margins, spacing - currentPosition.y += lineHeight; - currentPosition.y += lineSpacing; - currentWidth = 0; - maxDescent = 0; - maxWidth = wxMax(maxWidth, currentWidth); + wxRichTextAction* action = NULL; - lineCount ++; + if (haveControl && withUndo) + { + action = new wxRichTextAction(NULL, _("Change Style"), wxRICHTEXT_CHANGE_STYLE, buffer, this, buffer->GetRichTextCtrl()); + action->SetRange(range); + action->SetPosition(buffer->GetRichTextCtrl()->GetCaretPosition()); + } - // TODO: account for zero-length objects, such as fields - wxASSERT(wrapPosition > lastCompletedEndPos); + wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); + while (node) + { + wxRichTextParagraph* para = wxDynamicCast(node->GetData(), wxRichTextParagraph); + // wxASSERT (para != NULL); - lastEndPos = wrapPosition; - lastCompletedEndPos = lastEndPos; + if (para && para->GetChildCount() > 0) + { + // Stop searching if we're beyond the range of interest + if (para->GetRange().GetStart() > range.GetEnd()) + break; - lineHeight = 0; + 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); - // 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); + if (haveControl && withUndo) + { + newPara = new wxRichTextParagraph(*para); + action->GetNewParagraphs().AppendChild(newPara); - maxWidth = wxMax(maxWidth, currentWidth); - lastEndPos = child->GetRange().GetEnd(); + // Also store the old ones for Undo + action->GetOldParagraphs().AppendChild(new wxRichTextParagraph(*para)); + } + else + newPara = para; - node = node->GetNext(); - } - } + // 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); + } + } - // 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); + // 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. - wxRichTextLine* line = AllocateLine(lineCount); + // 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. - wxRichTextRange actualRange(lastCompletedEndPos+1, GetRange().GetEnd()-1); + 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())); + // 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); - line->SetPosition(currentPosition); + if (childRange.GetStart() == newPara->GetRange().GetStart()) + firstObject = newPara->GetChildren().GetFirst()->GetData(); + else + firstObject = newPara->SplitAt(range.GetStart()); - if (lineHeight == 0) - { - if (attr.GetFont().Ok()) - dc.SetFont(attr.GetFont()); - lineHeight = dc.GetCharHeight(); - } - if (maxDescent == 0) - { - int w, h; - dc.GetTextExtent(wxT("X"), & w, &h, & maxDescent); - } + // Increment by 1 because we're apply the style one _after_ the split point + long splitPoint = childRange.GetEnd(); + if (splitPoint != newPara->GetRange().GetEnd()) + splitPoint ++; - line->SetSize(wxSize(currentWidth, lineHeight)); - line->SetDescent(maxDescent); - currentPosition.y += lineHeight; - currentPosition.y += lineSpacing; - lineCount ++; - } + // 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); - // Remove remaining unused line objects, if any - ClearUnusedLines(lineCount); + wxASSERT(firstObject != NULL); + wxASSERT(lastObject != NULL); - // Apply styles to wrapped lines - ApplyParagraphStyle(attr, rect); + if (!firstObject || !lastObject) + continue; - SetCachedSize(wxSize(maxWidth, currentPosition.y + spaceBeforePara + spaceAfterPara)); + wxRichTextObjectList::compatibility_iterator firstNode = newPara->GetChildren().Find(firstObject); + wxRichTextObjectList::compatibility_iterator lastNode = newPara->GetChildren().Find(lastObject); - m_dirty = false; + wxASSERT(firstNode); + wxASSERT(lastNode); - return true; -} + wxRichTextObjectList::compatibility_iterator node2 = firstNode; -/// Apply paragraph styles, such as centering, to wrapped lines -void wxRichTextParagraph::ApplyParagraphStyle(const wxTextAttrEx& attr, const wxRect& rect) -{ - if (!attr.HasAlignment()) - return; + while (node2) + { + wxRichTextObject* child = node2->GetData(); - wxRichTextLineList::compatibility_iterator node = m_cachedLines.GetFirst(); - while (node) - { - wxRichTextLine* line = node->GetData(); + if (removeStyle) + { + // Removes the given style from the paragraph + wxRichTextRemoveStyle(child->GetAttributes(), 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 + wxRichTextAttr combinedAttr(newPara->GetCombinedAttributes(child->GetAttributes(), true)); + wxRichTextApplyStyle(child->GetAttributes(), characterAttributes, & combinedAttr); + } + else + wxRichTextApplyStyle(child->GetAttributes(), characterAttributes); + } - wxPoint pos = line->GetPosition(); - wxSize size = line->GetSize(); + if (node2 == lastNode) + break; - // 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); + node2 = node2->GetNext(); + } + } + } } node = node->GetNext(); } + + // Do action, or delay it until end of batch. + if (haveControl && withUndo) + buffer->SubmitAction(action); + + return true; } -/// Insert text at the given position -bool wxRichTextParagraph::InsertText(long pos, const wxString& text) +// Just change the attributes for this single object. +void wxRichTextParagraphLayoutBox::SetStyle(wxRichTextObject* obj, const wxRichTextAttr& textAttr, int flags) { - wxRichTextObject* childToUse = NULL; - wxRichTextObjectList::compatibility_iterator nodeToUse = wxRichTextObjectList::compatibility_iterator(); + wxRichTextBuffer* buffer = GetBuffer(); + bool withUndo = flags & wxRICHTEXT_SETSTYLE_WITH_UNDO; + bool resetExistingStyle = ((flags & wxRICHTEXT_SETSTYLE_RESET) != 0); + bool haveControl = (buffer->GetRichTextCtrl() != NULL); - wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); - while (node) + wxRichTextAction *action = NULL; + wxRichTextAttr newAttr = obj->GetAttributes(); + if (resetExistingStyle) + newAttr = textAttr; + else + newAttr.Apply(textAttr); + + if (haveControl && withUndo) { - wxRichTextObject* child = node->GetData(); - if (child->GetRange().Contains(pos) && child->GetRange().GetLength() > 0) - { - childToUse = child; - nodeToUse = node; - break; - } + 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); - node = node->GetNext(); + action->GetAttributes() = newAttr; } + else + obj->GetAttributes() = newAttr; - 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); + if (haveControl && withUndo) + buffer->SubmitAction(action); +} - int textLength = text.length(); +/// Get the text attributes for this position. +bool wxRichTextParagraphLayoutBox::GetStyle(long position, wxRichTextAttr& style) +{ + return DoGetStyle(position, style, true); +} - textObject->SetRange(wxRichTextRange(textObject->GetRange().GetStart(), - textObject->GetRange().GetEnd() + textLength)); +bool wxRichTextParagraphLayoutBox::GetUncombinedStyle(long position, wxRichTextAttr& style) +{ + return DoGetStyle(position, style, false); +} - // Increment the end range of subsequent fragments in this paragraph. - // We'll set the paragraph range itself at a higher level. +/// Implementation helper for GetStyle. If combineStyles is true, combine base, paragraph and +/// context attributes. +bool wxRichTextParagraphLayoutBox::DoGetStyle(long position, wxRichTextAttr& style, bool combineStyles) +{ + wxRichTextObject* obj wxDUMMY_INITIALIZE(NULL); - wxRichTextObjectList::compatibility_iterator node = nodeToUse->GetNext(); - while (node) + if (style.IsParagraphStyle()) + { + obj = GetParagraphAtPosition(position); + if (obj) + { + 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; - - if (flags & wxRICHTEXT_UNFORMATTED) - { - // Just use unformatted data, assume no line breaks - // TODO: take into account line breaks + style = wxRichTextAttr(); - wxSize sz; + wxRichTextAttr clashingAttr; + 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, position)) - { - sz.y = wxMax(sz.y, childSize.y); - sz.x += childSize.x; - descent = wxMax(descent, childDescent); - } + CollectStyle(style, paraStyle, clashingAttr, 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, clashingAttr, 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, position)) - { - 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, clashingAttr, 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; - } - else if (pt.x >= (linePos.x + lineSize.x)) + // Stop searching if we're beyond the range of interest + if (para->GetRange().GetStart() > range.GetEnd()) + return foundCount == matchingCount && foundCount != 0; + + if (!para->GetRange().IsOutside(range)) { - textPosition = lineRange.GetEnd(); - return wxRICHTEXT_HITTEST_AFTER; + wxRichTextAttr textAttr = GetAttributes(); + // Apply the paragraph style + wxRichTextApplyStyle(textAttr, para->GetAttributes()); + + foundCount ++; + if (textAttr.EqPartial(style, false /* strong test */)) + matchingCount ++; } - 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); + node = node->GetNext(); + } + return foundCount == matchingCount && foundCount != 0; +} - GetRangeSize(rangeToUse, childSize, descent, dc, wxRICHTEXT_UNFORMATTED, linePos); +void wxRichTextParagraphLayoutBox::PrepareContent(wxRichTextParagraphLayoutBox& container) +{ + wxRichTextBuffer* buffer = GetBuffer(); + if (buffer && buffer->GetRichTextCtrl()) + buffer->GetRichTextCtrl()->PrepareContent(container); +} - int nextX = childSize.x + linePos.x; +/// Set character or paragraph properties +bool wxRichTextParagraphLayoutBox::SetProperties(const wxRichTextRange& range, const wxRichTextProperties& properties, int flags) +{ + wxRichTextBuffer* buffer = GetBuffer(); - if (pt.x >= lastX && pt.x <= nextX) - { - textPosition = i; + 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); - // 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 we are associated with a control, make undoable; otherwise, apply immediately + // to the data. - int midPoint = (nextX - lastX)/2 + lastX; - if (pt.x >= midPoint) - return wxRICHTEXT_HITTEST_AFTER; - else - return wxRICHTEXT_HITTEST_BEFORE; - } - else - { - lastX = nextX; - } - } - } - } + bool haveControl = (buffer->GetRichTextCtrl() != NULL); - node = node->GetNext(); - } + wxRichTextAction* action = NULL; - return wxRICHTEXT_HITTEST_NONE; -} + if (haveControl && withUndo) + { + action = new wxRichTextAction(NULL, _("Change Properties"), wxRICHTEXT_CHANGE_PROPERTIES, buffer, this, buffer->GetRichTextCtrl()); + action->SetRange(range); + action->SetPosition(buffer->GetRichTextCtrl()->GetCaretPosition()); + } -/// 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) -{ 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_COMMAND_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); + + InvalidateHierarchy(wxRICHTEXT_ALL); } -/// Add content back from list -void wxRichTextParagraph::MoveFromList(wxList& list) +/// Invalidate the buffer. With no argument, invalidates whole buffer. +void wxRichTextParagraphLayoutBox::Invalidate(const wxRichTextRange& invalidRange) { - for (wxList::compatibility_iterator node = list.GetFirst(); node; node = node->GetNext()) + wxRichTextCompositeObject::Invalidate(invalidRange); + + DoInvalidate(invalidRange); +} + +// Do the (in)validation for this object only +void wxRichTextParagraphLayoutBox::DoInvalidate(const wxRichTextRange& invalidRange) +{ + if (invalidRange == wxRICHTEXT_ALL) { - AppendChild((wxRichTextObject*) node->GetData()); + 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()); } } -/// Calculate range -void wxRichTextParagraph::CalculateRange(long start, long& end) +// Do the (in)validation both up and down the hierarchy +void wxRichTextParagraphLayoutBox::InvalidateHierarchy(const wxRichTextRange& invalidRange) { - wxRichTextCompositeObject::CalculateRange(start, end); + Invalidate(invalidRange); - // Add one for end of paragraph - end ++; + if (invalidRange != wxRICHTEXT_NONE) + { + // Now go up the hierarchy + wxRichTextObject* thisObj = this; + wxRichTextObject* p = GetParent(); + while (p) + { + wxRichTextParagraphLayoutBox* l = wxDynamicCast(p, wxRichTextParagraphLayoutBox); + if (l) + l->DoInvalidate(thisObj->GetRange()); - m_range.SetRange(start, end); + thisObj = p; + p = p->GetParent(); + } + } } -/// Find the object at the given position -wxRichTextObject* wxRichTextParagraph::FindObjectAtPosition(long position) +/// Get invalid range, rounding to entire paragraphs if argument is true. +wxRichTextRange wxRichTextParagraphLayoutBox::GetInvalidRange(bool wholeParagraphs) const { - wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); - while (node) - { - wxRichTextObject* obj = node->GetData(); - if (obj->GetRange().Contains(position)) - return obj; + if (m_invalidRange == wxRICHTEXT_ALL || m_invalidRange == wxRICHTEXT_NONE) + return m_invalidRange; - node = node->GetNext(); + wxRichTextRange range = m_invalidRange; + + if (wholeParagraphs) + { + wxRichTextParagraph* para1 = GetParagraphAtPosition(range.GetStart()); + if (para1) + range.SetStart(para1->GetRange().GetStart()); + // floating layout make all child should be relayout + range.SetEnd(GetOwnRange().GetEnd()); } - return NULL; + return range; } -/// 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) +/// Apply the style sheet to the buffer, for example if the styles have changed. +bool wxRichTextParagraphLayoutBox::ApplyStyleSheet(wxRichTextStyleSheet* styleSheet) { - text = wxEmptyString; + wxASSERT(styleSheet != NULL); + if (!styleSheet) + return false; - if (fromStart) + int foundCount = 0; + + wxRichTextAttr attr(GetBasicStyle()); + if (GetBasicStyle().HasParagraphStyleName()) { - wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); - while (node) + wxRichTextParagraphStyleDefinition* paraDef = styleSheet->FindParagraphStyle(GetBasicStyle().GetParagraphStyleName()); + if (paraDef) { - wxRichTextObject* obj = node->GetData(); - if (!obj->GetRange().IsOutside(range)) - { - wxRichTextPlainText* textObj = wxDynamicCast(obj, wxRichTextPlainText); - if (textObj) - { - text += textObj->GetTextForRange(range); - } - else - return true; - } + attr.Apply(paraDef->GetStyleMergedWithBase(styleSheet)); + SetBasicStyle(attr); + foundCount ++; + } + } - node = node->GetNext(); + if (GetBasicStyle().HasCharacterStyleName()) + { + wxRichTextCharacterStyleDefinition* charDef = styleSheet->FindCharacterStyle(GetBasicStyle().GetCharacterStyleName()); + if (charDef) + { + attr.Apply(charDef->GetStyleMergedWithBase(styleSheet)); + SetBasicStyle(attr); + foundCount ++; } } - else + + wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); + while (node) { - wxRichTextObjectList::compatibility_iterator node = m_children.GetLast(); - while (node) + wxRichTextParagraph* para = wxDynamicCast(node->GetData(), wxRichTextParagraph); + // wxASSERT (para != NULL); + + if (para) { - wxRichTextObject* obj = node->GetData(); - if (!obj->GetRange().IsOutside(range)) + // 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()) { - wxRichTextPlainText* textObj = wxDynamicCast(obj, wxRichTextPlainText); - if (textObj) + int currentIndent = para->GetAttributes().GetLeftIndent(); + + wxRichTextParagraphStyleDefinition* paraDef = styleSheet->FindParagraphStyle(para->GetAttributes().GetParagraphStyleName()); + wxRichTextListStyleDefinition* listDef = styleSheet->FindListStyle(para->GetAttributes().GetListStyleName()); + if (paraDef && !listDef) { - text = textObj->GetTextForRange(range) + text; + 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 - return true; } + else if (para->GetAttributes().GetParagraphStyleName().IsEmpty() && !para->GetAttributes().GetListStyleName().IsEmpty()) + { + int currentIndent = para->GetAttributes().GetLeftIndent(); - node = node->GetPrevious(); + wxRichTextListStyleDefinition* listDef = styleSheet->FindListStyle(para->GetAttributes().GetListStyleName()); + + // 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); } - } - return true; + node = node->GetNext(); + } + return foundCount != 0; } -/// Find a suitable wrap position. -bool wxRichTextParagraph::FindWrapPosition(const wxRichTextRange& range, wxDC& dc, int availableSpace, long& wrapPosition) +/// Set list style +bool wxRichTextParagraphLayoutBox::SetListStyle(const wxRichTextRange& range, wxRichTextListStyleDefinition* def, int flags, int startFrom, int specifiedLevel) { - // 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++) + wxRichTextBuffer* buffer = GetBuffer(); + wxRichTextStyleSheet* styleSheet = buffer->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; + + wxASSERT (!specifyLevel || (specifyLevel && (specifiedLevel >= 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 List Style"), wxRICHTEXT_CHANGE_STYLE, buffer, this, buffer->GetRichTextCtrl()); + action->SetRange(range); + action->SetPosition(buffer->GetRichTextCtrl()->GetCaretPosition()); + } + + wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); + while (node) { - int descent = 0; - GetRangeSize(wxRichTextRange(range.GetStart(), i), sz, descent, dc, wxRICHTEXT_UNFORMATTED); + wxRichTextParagraph* para = wxDynamicCast(node->GetData(), wxRichTextParagraph); + // wxASSERT (para != NULL); - if (sz.x > availableSpace) + if (para && para->GetChildCount() > 0) { - breakPosition = i-1; - break; + // Stop searching if we're beyond the range of interest + if (para->GetRange().GetStart() > range.GetEnd()) + break; + + 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 (haveControl && withUndo) + { + newPara = new wxRichTextParagraph(*para); + action->GetNewParagraphs().AppendChild(newPara); + + // 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); + + // 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. + + // Apply the overall list style, and item style for this level + wxRichTextAttr listStyle(def->GetCombinedStyleForLevel(thisLevel, styleSheet)); + wxRichTextApplyStyle(newPara->GetAttributes(), listStyle); + + // 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 + { + // Now we need to do numbering + 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); + + // 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(); + } + + // Do action, or delay it until end of batch. + if (haveControl && withUndo) + buffer->SubmitAction(action); + + return true; +} + +bool wxRichTextParagraphLayoutBox::SetListStyle(const wxRichTextRange& range, const wxString& defName, int flags, int startFrom, int specifiedLevel) +{ + wxRichTextBuffer* buffer = GetBuffer(); + if (buffer && buffer->GetStyleSheet()) + { + wxRichTextListStyleDefinition* def = buffer->GetStyleSheet()->FindListStyle(defName); + if (def) + return SetListStyle(range, def, flags, startFrom, specifiedLevel); + } + return false; +} + +/// Clear list for given range +bool wxRichTextParagraphLayoutBox::ClearListStyle(const wxRichTextRange& range, int flags) +{ + return SetListStyle(range, NULL, flags); +} + +/// 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); +} + +/// 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) +{ + wxRichTextBuffer* buffer = GetBuffer(); + wxRichTextStyleSheet* styleSheet = buffer->GetStyleSheet(); + + 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 + + bool renumber = ((flags & wxRICHTEXT_SETSTYLE_RENUMBER) != 0); + + // Max number of levels + const int maxLevels = 10; + + // The level we're looking at now + int currentLevel = -1; + + // The item number for each level + int levels[maxLevels]; + int i; + + // 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 + } + +#if wxDEBUG_LEVEL + wxASSERT(!specifyLevel || (specifyLevel && (specifiedLevel >= 0))); +#endif + + // 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, _("Renumber List"), wxRICHTEXT_CHANGE_STYLE, buffer, this, buffer->GetRichTextCtrl()); + action->SetRange(range); + action->SetPosition(buffer->GetRichTextCtrl()->GetCaretPosition()); } - // Now we know the last position on the line. - // Let's try to find a word break. + 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; + + 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 (haveControl && withUndo) + { + newPara = new wxRichTextParagraph(*para); + action->GetNewParagraphs().AppendChild(newPara); + + // Also store the old ones for Undo + action->GetOldParagraphs().AppendChild(new wxRichTextParagraph(*para)); + } + else + newPara = para; + + wxRichTextListStyleDefinition* defToUse = def; + if (!defToUse) + { + if (styleSheet && !newPara->GetAttributes().GetListStyleName().IsEmpty()) + defToUse = styleSheet->FindListStyle(newPara->GetAttributes().GetListStyleName()); + } + + if (defToUse) + { + int thisIndent = newPara->GetAttributes().GetLeftIndent(); + int thisLevel = defToUse->FindLevelForIndent(thisIndent); + + // If we've specified a level to apply to all, change the level. + if (specifiedLevel != -1) + thisLevel = specifiedLevel; + + // Do promotion if specified + if ((promoteBy != 0) && !para->GetRange().IsOutside(promotionRange)) + { + thisLevel = thisLevel - promoteBy; + if (thisLevel < 0) + thisLevel = 0; + if (thisLevel > 9) + thisLevel = 9; + } + + // Apply the overall list style, and item style for this level + wxRichTextAttr listStyle(defToUse->GetCombinedStyleForLevel(thisLevel, styleSheet)); + wxRichTextApplyStyle(newPara->GetAttributes(), listStyle); + + // 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); + + // OK, we've (re)applied the style, now let's get the numbering right. + + if (currentLevel == -1) + currentLevel = thisLevel; + + // 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; + } + + // 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] ++; + } + + newPara->GetAttributes().SetBulletNumber(levels[currentLevel]); + + // 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); + } + } + } + } + + node = node->GetNext(); + } + + // Do action, or delay it until end of batch. + if (haveControl && withUndo) + buffer->SubmitAction(action); + + return true; +} + +bool wxRichTextParagraphLayoutBox::NumberList(const wxRichTextRange& range, const wxString& defName, int flags, int startFrom, int specifiedLevel) +{ + wxRichTextBuffer* buffer = GetBuffer(); + if (buffer->GetStyleSheet()) + { + wxRichTextListStyleDefinition* def = NULL; + if (!defName.IsEmpty()) + def = buffer->GetStyleSheet()->FindListStyle(defName); + return NumberList(range, def, flags, startFrom, specifiedLevel); + } + return false; +} + +/// 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. + + // 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()) + { + wxRichTextListStyleDefinition* def = NULL; + if (!defName.IsEmpty()) + def = buffer->GetStyleSheet()->FindListStyle(defName); + return PromoteList(promoteBy, range, def, flags, specifiedLevel); + } + return false; +} + +/// 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 +{ + // 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) + { + node = node->GetPrevious(); + if (node) + previousParagraph = wxDynamicCast(node->GetData(), wxRichTextParagraph); + else + previousParagraph = NULL; + } + else + previousParagraph = NULL; + } + + if (!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()) + { + wxRichTextListStyleDefinition* def = styleSheet->FindListStyle(previousParagraph->GetAttributes().GetListStyleName()); + if (def) + { + // int thisIndent = previousParagraph->GetAttributes().GetLeftIndent(); + // int thisLevel = def->FindLevelForIndent(thisIndent); + + bool isOutline = (previousParagraph->GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_OUTLINE) != 0; + + 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) + { + wxString text = previousParagraph->GetAttributes().GetBulletText(); + if (!text.IsEmpty()) + { + 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); + } + } + + return true; + } + else + return false; + } + else + return false; +} + +/*! + * wxRichTextParagraph + * This object represents a single paragraph (or in a straight text editor, a line). + */ + +IMPLEMENT_DYNAMIC_CLASS(wxRichTextParagraph, wxRichTextCompositeObject) + +wxArrayInt wxRichTextParagraph::sm_defaultTabs; + +wxRichTextParagraph::wxRichTextParagraph(wxRichTextObject* parent, wxRichTextAttr* style): + wxRichTextCompositeObject(parent) +{ + if (style) + SetAttributes(*style); +} + +wxRichTextParagraph::wxRichTextParagraph(const wxString& text, wxRichTextObject* parent, wxRichTextAttr* paraStyle, wxRichTextAttr* charStyle): + wxRichTextCompositeObject(parent) +{ + if (paraStyle) + SetAttributes(*paraStyle); + + AppendChild(new wxRichTextPlainText(text, this, charStyle)); +} + +wxRichTextParagraph::~wxRichTextParagraph() +{ + ClearLines(); +} + +/// 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 (!IsShown()) + return true; + + // 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); + + DrawBoxAttributes(dc, GetBuffer(), attr, paraRect); + + // 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()); + + wxRichTextAttr bulletAttr(attr); + + // 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()); + } + } + + // Get line height from first line, if any + wxRichTextLine* line = m_cachedLines.GetFirst() ? (wxRichTextLine* ) m_cachedLines.GetFirst()->GetData() : NULL; + + 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); + + wxCheckSetFont(dc, font); + + lineHeight = dc.GetCharHeight(); + linePos = GetPosition(); + linePos.y += spaceBeforePara; + } + + wxRect bulletRect(GetPosition().x + leftIndent, linePos.y, linePos.x - (GetPosition().x + leftIndent), lineHeight); + + 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); + } + } + } + + // Draw the range for each line, one object at a time. + + 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)) + { + wxPoint objectPosition = linePosition; + int maxDescent = line->GetDescent(); + + // Loop through objects until we get to the one within range + wxRichTextObjectList::compatibility_iterator node2 = m_children.GetFirst(); + + int i = 0; + while (node2) + { + wxRichTextObject* child = node2->GetData(); + + if (!child->IsFloating() && child->GetRange().GetLength() > 0 && !child->GetRange().IsOutside(lineRange) && !lineRange.IsOutside(range)) + { + // Draw this part of the line at the correct position + wxRichTextRange objectRange(child->GetRange()); + objectRange.LimitTo(lineRange); + + wxSize objectSize; + if (child->IsTopLevel()) + { + 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); + } + } + + // 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(); + } + + return true; +} + +// Get the range width using partial extents calculated for the whole paragraph. +static int wxRichTextGetRangeWidth(const wxRichTextParagraph& para, const wxRichTextRange& range, const wxArrayInt& partialExtents) +{ + wxASSERT(partialExtents.GetCount() >= (size_t) range.GetLength()); + + if (partialExtents.GetCount() < (size_t) range.GetLength()) + return 0; + + int leftMostPos = 0; + if (range.GetStart() - para.GetRange().GetStart() > 0) + leftMostPos = partialExtents[range.GetStart() - para.GetRange().GetStart() - 1]; + + int rightMostPos = partialExtents[range.GetEnd() - para.GetRange().GetStart()]; + + int w = rightMostPos - leftMostPos; + + return w; +} + +/// Lay the item out +bool wxRichTextParagraph::Layout(wxDC& dc, wxRichTextDrawingContext& context, const wxRect& rect, const wxRect& parentRect, int style) +{ + // Deal with floating objects firstly before the normal layout + wxRichTextBuffer* buffer = GetBuffer(); + wxASSERT(buffer); + wxRichTextFloatCollector* collector = GetContainer()->GetFloatCollector(); + wxASSERT(collector); + LayoutFloat(dc, context, rect, style, collector); + + wxRichTextAttr attr = GetCombinedAttributes(); + context.ApplyVirtualAttributes(attr, this); + + // ClearLines(); + + // 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()); + + int lineSpacing = 0; + + // Let's assume line spacing of 10 is normal, 15 is 1.5, 20 is 2, etc. + if (attr.HasLineSpacing() && attr.GetLineSpacing() > 0 && attr.GetFont().IsOk()) + { + wxCheckSetFont(dc, attr.GetFont()); + lineSpacing = (int) (double(dc.GetCharHeight()) * (double(attr.GetLineSpacing())/10.0 - 1.0)); + } + + // Start position for each line relative to the paragraph + int startPositionFirstLine = leftIndent; + int startPositionSubsequentLines = leftIndent + leftSubIndent; + + // 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; + + long lastEndPos = GetRange().GetStart()-1; + long lastCompletedEndPos = lastEndPos; + + int currentWidth = 0; + SetPosition(rect.GetPosition()); + + 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; + + wxRichTextObjectList::compatibility_iterator node; + +#if wxRICHTEXT_USE_PARTIAL_TEXT_EXTENTS + wxUnusedVar(style); + wxArrayInt partialExtents; + + wxSize paraSize; + int paraDescent = 0; + + // This calculates the partial text extents + GetRangeSize(GetRange(), paraSize, paraDescent, dc, context, wxRICHTEXT_UNFORMATTED|wxRICHTEXT_CACHE_SIZE, rect.GetPosition(), & partialExtents); +#else + node = m_children.GetFirst(); + while (node) + { + wxRichTextObject* child = node->GetData(); + + //child->SetCachedSize(wxDefaultSize); + child->Layout(dc, context, rect, style); + + node = node->GetNext(); + } +#endif + + // Split up lines + + // 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. + + wxRect availableRect; + + node = m_children.GetFirst(); + 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() || !child->IsShown() || + (child->GetRange().GetLength() == 0 && maxHeight > spaceBeforePara) + ) + { + node = node->GetNext(); + continue; + } + + // 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. + + // 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. + + long nextBreakPos = GetFirstLineBreakPosition(lastEndPos+1); + long lastPosToUse = child->GetRange().GetEnd(); + bool lineBreakInThisObject = (nextBreakPos > -1 && nextBreakPos <= child->GetRange().GetEnd()); + + if (lineBreakInThisObject) + lastPosToUse = nextBreakPos; + + wxSize childSize; + int childDescent = 0; + + int startOffset = (lineCount == 0 ? startPositionFirstLine : startPositionSubsequentLines); + availableRect = wxRect(rect.x + startOffset, rect.y + currentPosition.y, + rect.width - startOffset - rightIndent, rect.height); + + if (child->IsTopLevel()) + { + wxSize oldSize = child->GetCachedSize(); + + child->Invalidate(wxRICHTEXT_ALL); + child->SetPosition(wxPoint(0, 0)); + + // 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); + + if (oldSize != child->GetCachedSize()) + { + partialExtents.Clear(); + + // 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), & partialExtents); + } + } + + // 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. + + 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); + childSize.x = wxRichTextGetRangeWidth(*this, wxRichTextRange(lastEndPos+1, lastPosToUse), partialExtents); +#else + GetRangeSize(wxRichTextRange(lastEndPos+1, lastPosToUse), childSize, childDescent, dc, context, wxRICHTEXT_UNFORMATTED, rect.GetPosition()); +#endif + } + + bool doLoop = true; + int loopIterations = 0; + + // 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 ++; + + wxRect oldAvailableRect = availableRect; + + // 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)); + wxRect floatAvailableRect = collector->GetAvailableRect(rect.y + currentPosition.y, rect.y + currentPosition.y + lineHeight); + + // Adjust availableRect to the space that is available when taking floating objects into account. + + if (floatAvailableRect.x + startOffset > availableRect.x) + { + int newX = floatAvailableRect.x + startOffset; + int newW = availableRect.width - (newX - availableRect.x); + availableRect.x = newX; + availableRect.width = newW; + } + + if (floatAvailableRect.width < availableRect.width) + availableRect.width = floatAvailableRect.width; + + currentPosition.x = availableRect.x - rect.x; + + if (child->IsTopLevel() && loopIterations <= 20) + { + if (availableRect != oldAvailableRect) + { + wxSize oldSize = child->GetCachedSize(); + + // 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, style); + childSize = child->GetCachedSize(); + childDescent = child->GetDescent(); + + if (oldSize != child->GetCachedSize()) + { + partialExtents.Clear(); + + // 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), & partialExtents); + } + + // Go around the loop finding the available rect for the given floating objects + } + else + doLoop = false; + } + else + doLoop = false; + } + while (doLoop); + + 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)); + } + + // 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) + || + ((childSize.x + currentWidth <= availableRect.width) && !node->GetNext()) + + ) + { + long wrapPosition = 0; + if ((childSize.x + currentWidth <= availableRect.width) && !node->GetNext() && !lineBreakInThisObject) + wrapPosition = child->GetRange().GetEnd(); + else + + // 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(); + } + + // 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()); + + // Line end position shouldn't be the same as the end, or greater. + if (wrapPosition >= GetRange().GetEnd()) + wrapPosition = wxMax(0, GetRange().GetEnd()-1); + + // 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()) + { + // Get height only, then the width using the partial extents + GetRangeSize(actualRange, actualSize, childDescent, dc, context, wxRICHTEXT_UNFORMATTED|wxRICHTEXT_HEIGHT_ONLY); + actualSize.x = wxRichTextGetRangeWidth(*this, actualRange, partialExtents); + } + else +#endif + GetRangeSize(actualRange, actualSize, childDescent, dc, context, wxRICHTEXT_UNFORMATTED); + + 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 (maxDescent == 0) + { + int w, h; + dc.GetTextExtent(wxT("X"), & w, &h, & maxDescent); + } + + // Add a new line + wxRichTextLine* line = AllocateLine(lineCount); + + // 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); + + maxHeight = currentPosition.y + lineHeight; + + // 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; + + lineCount ++; + + // TODO: account for zero-length objects + // wxASSERT(wrapPosition > lastCompletedEndPos); + + lastEndPos = wrapPosition; + lastCompletedEndPos = lastEndPos; + + lineHeight = 0; + + if (wrapPosition < GetRange().GetEnd()-1) + { + // 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; + + 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); + } + + lineHeight = wxMax(lineHeight, (maxDescent + maxAscent)); + + maxWidth = wxMax(maxWidth, currentWidth+startOffset); + lastEndPos = child->GetRange().GetEnd(); + + node = node->GetNext(); + } + } + + //wxASSERT(!(lastCompletedEndPos != -1 && lastCompletedEndPos < GetRange().GetEnd()-1)); + + // Remove remaining unused line objects, if any + ClearUnusedLines(lineCount); + + // We need to add back the margins etc. + { + 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()); + } + + // 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()); + } + + // 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(); + + // 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() && child->GetRange().GetLength() != 0 && !wxDynamicCast(child, wxRichTextPlainText)) + { + if (child->GetCachedSize().x > minWidth) + minWidth = child->GetMinSize().x; + } + node = node->GetNext(); + } + + 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()); + } + +#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(); + + // Loop through objects until we get to the one within range + wxRichTextObjectList::compatibility_iterator node2 = m_children.GetFirst(); + + while (node2) + { + wxRichTextObject* child = node2->GetData(); + + if (child->GetRange().GetLength() > 0 && !child->GetRange().IsOutside(lineRange)) + { + wxRichTextRange rangeToUse = lineRange; + rangeToUse.LimitTo(child->GetRange()); + + // 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; + + node2 = node2->GetNext(); + } + + lineNode = lineNode->GetNext(); + } +#endif +#endif + + return true; +} + +/// 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 (!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) + { + 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); + } + + if (pos != originalPos) + { + wxPoint inc = pos - originalPos; + + wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); + + while (node) + { + wxRichTextObject* child = node->GetData(); + if (child->IsTopLevel() && !child->GetRange().IsOutside(line->GetAbsoluteRange())) + child->Move(child->GetPosition() + inc); + + node = node->GetNext(); + } + } +} + +/// Insert text at the given position +bool wxRichTextParagraph::InsertText(long pos, const wxString& text) +{ + wxRichTextObject* childToUse = NULL; + wxRichTextObjectList::compatibility_iterator nodeToUse = wxRichTextObjectList::compatibility_iterator(); + + 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; + } + + 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) + { + wxRichTextObject* child = node->GetData(); + child->SetRange(wxRichTextRange(textObject->GetRange().GetStart() + textLength, + textObject->GetRange().GetEnd() + textLength)); + + node = node->GetNext(); + } + + 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); + + AppendChild(textObject); + return true; + } + + return false; +} + +void wxRichTextParagraph::Copy(const wxRichTextParagraph& obj) +{ + wxRichTextCompositeObject::Copy(obj); +} + +/// Clear the cached lines +void wxRichTextParagraph::ClearLines() +{ + WX_CLEAR_LIST(wxRichTextLineList, m_cachedLines); +} + +/// 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, wxPoint position, wxArrayInt* partialExtents) const +{ + if (!range.IsWithin(GetRange())) + return false; + + if (flags & wxRICHTEXT_UNFORMATTED) + { + // Just use unformatted data, assume no line breaks + wxSize sz; + + wxArrayInt childExtents; + wxArrayInt* p; + if (partialExtents) + p = & childExtents; + else + p = NULL; + + int maxDescent = 0; + int maxAscent = 0; + int maxLineHeight = 0; + + 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()) + { + if (partialExtents) + { + int lastSize; + if (partialExtents->GetCount() > 0) + lastSize = (*partialExtents)[partialExtents->GetCount()-1]; + else + lastSize = 0; + + partialExtents->Add(0 /* zero size */ + lastSize); + } + } + else + { + wxSize childSize; + + wxRichTextRange rangeToUse = range; + rangeToUse.LimitTo(child->GetRange()); + int childDescent = 0; + + // 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(); + + 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; + } + else if (child->IsTopLevel()) + { + childDescent = child->GetDescent(); + childSize = child->GetCachedSize(); + + 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; + + // 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 + + if (partialExtents) + { + int lastSize; + if (partialExtents->GetCount() > 0) + lastSize = (*partialExtents)[partialExtents->GetCount()-1]; + else + lastSize = 0; + + partialExtents->Add(childSize.x + lastSize); + } + } + else if (child->GetRangeSize(rangeToUse, childSize, childDescent, dc, context, flags, wxPoint(position.x + sz.x, position.y), 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; + } + 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) + + wxRichTextLineList::compatibility_iterator node = m_cachedLines.GetFirst(); + while (node) + { + wxRichTextLine* line = node->GetData(); + wxRichTextRange lineRange = line->GetAbsoluteRange(); + if (!lineRange.IsOutside(range)) + { + int maxDescent = 0; + int maxAscent = 0; + int maxLineHeight = 0; + int maxLineWidth = 0; + + wxRichTextObjectList::compatibility_iterator node2 = m_children.GetFirst(); + while (node2) + { + wxRichTextObject* child = node2->GetData(); + + if (!child->IsFloating() && !child->GetRange().IsOutside(lineRange)) + { + wxRichTextRange rangeToUse = lineRange; + rangeToUse.LimitTo(child->GetRange()); + if (child->IsTopLevel()) + rangeToUse = child->GetOwnRange(); + + wxSize childSize; + int childDescent = 0; + if (child->GetRangeSize(rangeToUse, childSize, childDescent, dc, context, flags, wxPoint(position.x + sz.x, position.y))) + { + 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; +} + +/// 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) +{ + 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(); + + return true; + } + + // The final position in a paragraph is taken to mean the position + // at the start of the next paragraph. + if (index == GetRange().GetEnd()) + { + 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; + } + + if (index < GetRange().GetStart() || index > GetRange().GetEnd()) + return false; + + 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 (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 false; +} + +/// 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) +{ + 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. + { + long tmpPos; + wxRichTextObject* tempObj, *tempContextObj; + if (GetParent() && GetParent()->wxRichTextObject::HitTest(dc, context, pt, tmpPos, & tempObj, & tempContextObj, flags) == wxRICHTEXT_HITTEST_NONE) + return wxRICHTEXT_HITTEST_NONE; + } + + wxRichTextObjectList::compatibility_iterator objNode = m_children.GetFirst(); + while (objNode) + { + 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(); + } + + wxPoint paraPos = GetPosition(); + + wxRichTextLineList::compatibility_iterator node = m_cachedLines.GetFirst(); + while (node) + { + wxRichTextLine* line = node->GetData(); + wxPoint linePos = paraPos + line->GetPosition(); + wxSize lineSize = line->GetSize(); + wxRichTextRange lineRange = line->GetAbsoluteRange(); + + if (pt.y <= linePos.y + lineSize.y) + { + if (pt.x < linePos.x) + { + textPosition = lineRange.GetStart(); + *obj = FindObjectAtPosition(textPosition); + *contextObj = GetContainer(); + return wxRICHTEXT_HITTEST_BEFORE|wxRICHTEXT_HITTEST_OUTSIDE; + } + else if (pt.x >= (linePos.x + lineSize.x)) + { + textPosition = lineRange.GetEnd(); + *obj = FindObjectAtPosition(textPosition); + *contextObj = GetContainer(); + return wxRICHTEXT_HITTEST_AFTER|wxRICHTEXT_HITTEST_OUTSIDE; + } + else + { +#if wxRICHTEXT_USE_PARTIAL_TEXT_EXTENTS + wxArrayInt partialExtents; + + wxSize paraSize; + int paraDescent; + + // This calculates the partial text extents + GetRangeSize(lineRange, paraSize, paraDescent, dc, context, wxRICHTEXT_UNFORMATTED, linePos, & partialExtents); + + int lastX = linePos.x; + size_t i; + for (i = 0; i < partialExtents.GetCount(); i++) + { + int nextX = partialExtents[i] + linePos.x; + + if (pt.x >= lastX && pt.x <= nextX) + { + textPosition = i + lineRange.GetStart(); // minus 1? + + *obj = FindObjectAtPosition(textPosition); + *contextObj = GetContainer(); + + // 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. + + int midPoint = (nextX + lastX)/2; + if (pt.x >= midPoint) + return wxRICHTEXT_HITTEST_AFTER; + else + return wxRICHTEXT_HITTEST_BEFORE; + } + + lastX = nextX; + } +#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, context, wxRICHTEXT_UNFORMATTED, linePos); + + int nextX = childSize.x + linePos.x; + + if (pt.x >= lastX && pt.x <= nextX) + { + textPosition = i; + + *obj = FindObjectAtPosition(textPosition); + *contextObj = GetContainer(); + + // 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. + + int midPoint = (nextX + lastX)/2; + if (pt.x >= midPoint) + return wxRICHTEXT_HITTEST_AFTER; + else + return wxRICHTEXT_HITTEST_BEFORE; + } + else + { + lastX = nextX; + } + } +#endif + } + } + + node = node->GetNext(); + } + + return wxRICHTEXT_HITTEST_NONE; +} + +/// 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) +{ + wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); + while (node) + { + wxRichTextObject* child = node->GetData(); + + if (pos == child->GetRange().GetStart()) + { + if (previousObject) + { + if (node->GetPrevious()) + *previousObject = node->GetPrevious()->GetData(); + else + *previousObject = NULL; + } + + return child; + } + + 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 + { + // Insert the new object after 'child' + if (node->GetNext()) + m_children.Insert(node->GetNext(), newObject); + else + m_children.Append(newObject); + newObject->SetParent(this); + + if (previousObject) + *previousObject = child; + + return newObject; + } + } + + node = node->GetNext(); + } + if (previousObject) + *previousObject = NULL; + return NULL; +} + +/// Move content to a list from obj on +void wxRichTextParagraph::MoveToList(wxRichTextObject* obj, wxList& list) +{ + wxRichTextObjectList::compatibility_iterator node = m_children.Find(obj); + while (node) + { + wxRichTextObject* child = node->GetData(); + list.Append(child); + + wxRichTextObjectList::compatibility_iterator oldNode = node; + + node = node->GetNext(); + + m_children.DeleteNode(oldNode); + } +} + +/// 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()); + } +} + +/// Calculate range +void wxRichTextParagraph::CalculateRange(long start, long& end) +{ + wxRichTextCompositeObject::CalculateRange(start, end); + + // Add one for end of paragraph + end ++; + + m_range.SetRange(start, end); +} + +/// Find the object at the given position +wxRichTextObject* wxRichTextParagraph::FindObjectAtPosition(long position) +{ + wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); + while (node) + { + wxRichTextObject* obj = node->GetData(); + if (obj->GetRange().Contains(position) || + obj->GetRange().GetStart() == position || + obj->GetRange().GetEnd() == position) + return obj; + + node = node->GetNext(); + } + 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) +{ + text = wxEmptyString; + + if (fromStart) + { + wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); + while (node) + { + 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(); + } + } + else + { + 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; + } + } + + node = node->GetPrevious(); + } + } + + return true; +} + +/// Find a suitable wrap position. +bool wxRichTextParagraph::FindWrapPosition(const wxRichTextRange& range, wxDC& dc, wxRichTextDrawingContext& context, int availableSpace, long& wrapPosition, wxArrayInt* partialExtents) +{ + if (range.GetLength() <= 0) + return false; + + // 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 + { + 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 + { + // 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); + + 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); + + 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 descent = 0; + GetRangeSize(wxRichTextRange(range.GetStart(), nextPos), sz, descent, dc, context, wxRICHTEXT_UNFORMATTED); + + if (sz.x > availableSpace) + { + maxPos = nextPos; + } + else + { + minPos = nextPos; + } + } + } + } + + // 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)) + { + 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; + } + } + } + + wrapPosition = breakPosition; + + return true; +} + +/// 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; + + int number = GetAttributes().GetBulletNumber(); + + 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(); + } + + 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(); + } + + 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 (GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_PERIOD) + { + text += wxT("."); + } + + return text; +} + +/// 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 + { + 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; +} + +/// 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 +{ + wxRichTextAttr attr; + wxRichTextParagraphLayoutBox* buf = wxDynamicCast(GetParent(), wxRichTextParagraphLayoutBox); + if (buf) + { + attr = buf->GetBasicStyle(); + if (!includingBoxAttr) + { + 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); + } + wxRichTextApplyStyle(attr, GetAttributes()); + } + else + attr = GetAttributes(); + + wxRichTextApplyStyle(attr, contentStyle); + return attr; +} + +/// 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 + attr = GetAttributes(); + + return attr; +} + +// 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); + } +} + +// Clear default tabstop array +void wxRichTextParagraph::ClearDefaultTabs() +{ + sm_defaultTabs.Clear(); +} + +void wxRichTextParagraph::LayoutFloat(wxDC& dc, wxRichTextDrawingContext& context, const wxRect& rect, int style, wxRichTextFloatCollector* floatCollector) +{ + wxRichTextObjectList::compatibility_iterator node = GetChildren().GetFirst(); + while (node) + { + wxRichTextObject* anchored = node->GetData(); + if (anchored && anchored->IsFloating() && !floatCollector->HasFloat(anchored)) + { + wxSize size; + int descent, x = 0; + anchored->GetRangeSize(anchored->GetRange(), size, descent, dc, context, style); + + 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); + + /* 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->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; +} + +/*! + * 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. + */ + +wxRichTextLine::wxRichTextLine(wxRichTextParagraph* parent) +{ + Init(parent); +} + +/// 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 +} + +/// Copy +void wxRichTextLine::Copy(const wxRichTextLine& obj) +{ + m_range = obj.m_range; +#if wxRICHTEXT_USE_OPTIMIZED_LINE_DRAWING + m_objectSizes = obj.m_objectSizes; +#endif +} + +/// Get the absolute object position +wxPoint wxRichTextLine::GetAbsolutePosition() const +{ + return m_parent->GetPosition() + m_pos; +} + +/// Get the absolute range +wxRichTextRange wxRichTextLine::GetAbsoluteRange() const +{ + wxRichTextRange range(m_range.GetStart() + m_parent->GetRange().GetStart(), 0); + range.SetEnd(range.GetStart() + m_range.GetLength()-1); + return range; +} + +/*! + * wxRichTextPlainText + * This object represents a single piece of text. + */ + +IMPLEMENT_DYNAMIC_CLASS(wxRichTextPlainText, wxRichTextObject) + +wxRichTextPlainText::wxRichTextPlainText(const wxString& text, wxRichTextObject* parent, wxRichTextAttr* style): + wxRichTextObject(parent) +{ + if (style) + SetAttributes(*style); + + m_text = text; +} + +#define USE_KERNING_FIX 1 + +// If insufficient tabs are defined, this is the tab width used +#define WIDTH_FOR_DEFAULT_TABS 50 + +/// 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); + + wxRichTextAttr textAttr(para ? para->GetCombinedAttributes(GetAttributes(), false /* no box attributes */) : GetAttributes()); + context.ApplyVirtualAttributes(textAttr, this); + + // 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()) + { + wxRichTextRangeArray selectionRanges = selection.GetSelectionForObject(this); + if (selectionRanges.GetCount() > 0) + selectionRange = selectionRanges[0]; + else + selectionRange = wxRICHTEXT_NO_SELECTION; + } + else + selectionRange = wxRICHTEXT_NO_SELECTION; + + int offset = GetRange().GetStart(); + + // Replace line break characters with spaces + wxString str = m_text; + wxString toRemove = wxRichTextLineBreakChar; + str.Replace(toRemove, wxT(" ")); + if (textAttr.HasTextEffects() && (textAttr.GetTextEffects() & (wxTEXT_ATTR_EFFECT_CAPITALS|wxTEXT_ATTR_EFFECT_SMALL_CAPITALS))) + str.MakeUpper(); + + long len = range.GetLength(); + wxString stringChunk = str.Mid(range.GetStart() - offset, (size_t) len); + + // Test for the optimized situations where all is selected, or none + // is selected. + + wxFont textFont(GetBuffer()->GetFontTable().FindFont(textAttr)); + wxCheckSetFont(dc, textFont); + int charHeight = dc.GetCharHeight(); + + 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(); + } + + if ( textAttr.HasTextEffects() && (textAttr.GetTextEffects() & wxTEXT_ATTR_EFFECT_SUPERSCRIPT) ) + { + if (textFont.IsUsingSizeInPixels()) + { + double size = static_cast(textFont.GetPixelSize().y) / wxSCRIPT_MUL_FACTOR; + textFont.SetPixelSize(wxSize(0, static_cast(size))); + x = rect.x; + y = rect.y; + } + else + { + double size = static_cast(textFont.GetPointSize()) / wxSCRIPT_MUL_FACTOR; + textFont.SetPointSize(static_cast(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(textFont.GetPixelSize().y) / wxSCRIPT_MUL_FACTOR; + textFont.SetPixelSize(wxSize(0, static_cast(size))); + x = rect.x; + int sub_height = static_cast(static_cast(charHeight) / wxSCRIPT_MUL_FACTOR); + y = rect.y + (rect.height - sub_height + (descent - m_descent)); + } + else + { + double size = static_cast(textFont.GetPointSize()) / wxSCRIPT_MUL_FACTOR; + textFont.SetPointSize(static_cast(size)); + x = rect.x; + int sub_height = static_cast(static_cast(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)); + } + + // TODO: new selection code + + // (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. + + dc.SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT); + + // 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); + + DrawTabbedString(dc, textAttr, rect, stringFragment, x, y, false); + +#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)); + + 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 + } + + // 2. Selected chunk, if any. + if (selectionRange.GetEnd() >= range.GetStart()) + { + int s1 = wxMax(selectionRange.GetStart(), range.GetStart()); + int s2 = wxMin(selectionRange.GetEnd(), range.GetEnd()); + + 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); + + DrawTabbedString(dc, textAttr, rect, stringFragment, x, y, true); + +#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)); + + 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); + } + } + + return true; +} + +bool wxRichTextPlainText::DrawTabbedString(wxDC& dc, const wxRichTextAttr& attr, const wxRect& rect,wxString& str, wxCoord& x, wxCoord& y, bool selected) +{ + bool hasTabs = (str.Find(wxT('\t')) != wxNOT_FOUND); + + wxArrayInt tabArray; + int tabCount; + if (hasTabs) + { + 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; + } + } + else + tabCount = 0; + + int nextTabPos = -1; + int tabPos = -1; + wxCoord w, h; + + if (selected) + { + wxColour highlightColour(wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT)); + wxColour highlightTextColour(wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT)); + + wxCheckSetBrush(dc, wxBrush(highlightColour)); + wxCheckSetPen(dc, wxPen(highlightColour)); + dc.SetTextForeground(highlightTextColour); + dc.SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT); + } + else + { + dc.SetTextForeground(attr.GetTextColour()); + + if (attr.HasFlag(wxTEXT_ATTR_BACKGROUND_COLOUR) && attr.GetBackgroundColour().IsOk()) + { + dc.SetBackgroundMode(wxBRUSHSTYLE_SOLID); + dc.SetTextBackground(attr.GetBackgroundColour()); + } + else + dc.SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT); + } + + wxCoord x_orig = GetParent()->GetPosition().x; + while (hasTabs) + { + // 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) + { + nextTabPos = tabArray.Item(i) + x_orig; + + // Find the next tab position. + // Even if we're at the end of the tab array, we must still draw the chunk. + + if (nextTabPos > tabPos || (i == (tabCount - 1))) + { + if (nextTabPos <= tabPos) + { + 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(); + 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); + } + + x = nextTabPos; + } + } + hasTabs = (str.Find(wxT('\t')) != wxNOT_FOUND); + } + + 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); + + 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); + } + + x += w; + } + + return true; +} + +/// 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; +} + +/// Copy +void wxRichTextPlainText::Copy(const wxRichTextPlainText& obj) +{ + wxRichTextObject::Copy(obj); + + m_text = obj.m_text; +} + +/// 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), wxPoint position, wxArrayInt* partialExtents) const +{ + if (!range.IsWithin(GetRange())) + return false; + + wxRichTextParagraph* para = wxDynamicCast(GetParent(), wxRichTextParagraph); + wxASSERT (para != NULL); + + int relativeX = position.x - GetParent()->GetPosition().x; + + wxRichTextAttr textAttr(para ? para->GetCombinedAttributes(GetAttributes()) : GetAttributes()); + context.ApplyVirtualAttributes(textAttr, (wxRichTextObject*) this); + + // 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 + + 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(textFont.GetPixelSize().y) / wxSCRIPT_MUL_FACTOR; + textFont.SetPixelSize(wxSize(0, static_cast(size))); + } + else + { + double size = static_cast(textFont.GetPointSize()) / wxSCRIPT_MUL_FACTOR; + textFont.SetPointSize(static_cast(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); + } + } + + bool haveDescent = false; + int startPos = range.GetStart() - GetRange().GetStart(); + long len = range.GetLength(); + + wxString str(m_text); + wxString toReplace = wxRichTextLineBreakChar; + str.Replace(toReplace, wxT(" ")); + + wxString stringChunk = str.Mid(startPos, (size_t) len); + + if (textAttr.HasTextEffects() && (textAttr.GetTextEffects() & (wxTEXT_ATTR_EFFECT_CAPITALS|wxTEXT_ATTR_EFFECT_SMALL_CAPITALS))) + stringChunk.MakeUpper(); + + 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(); + + int tabCount = tabArray.GetCount(); + + for (int i = 0; i < tabCount; ++i) + { + int pos = tabArray[i]; + pos = ((wxRichTextPlainText*) this)->ConvertTenthsMMToPixels(dc, pos); + tabArray[i] = pos; + } + + int nextTabPos = -1; + + while (stringChunk.Find(wxT('\t')) >= 0) + { + int absoluteWidth = 0; + + // the string has a tab + // break up the string at the Tab + wxString stringFragment = stringChunk.BeforeFirst(wxT('\t')); + stringChunk = stringChunk.AfterFirst(wxT('\t')); + + if (partialExtents) + { + int oldWidth; + if (partialExtents->GetCount() > 0) + oldWidth = (*partialExtents)[partialExtents->GetCount()-1]; + else + oldWidth = 0; + + // 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]); + + 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; + } + + bool notFound = true; + for (int i = 0; i < tabCount && notFound; ++i) + { + nextTabPos = tabArray.Item(i); + + // Find the next tab position. + // Even if we're at the end of the tab array, we must still process the chunk. + + if (nextTabPos > absoluteWidth || (i == (tabCount - 1))) + { + if (nextTabPos <= absoluteWidth) + { + int defaultTabWidth = ((wxRichTextPlainText*) this)->ConvertTenthsMMToPixels(dc, WIDTH_FOR_DEFAULT_TABS); + nextTabPos = absoluteWidth + defaultTabWidth; + } + + notFound = false; + width = nextTabPos - relativeX; + + if (partialExtents) + partialExtents->Add(width); + } + } + } + } + + if (!stringChunk.IsEmpty()) + { + 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; +} + +/// Do a split, returning an object containing the second part, and setting +/// the first part in 'this'. +wxRichTextObject* wxRichTextPlainText::DoSplit(long pos) +{ + 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); + + 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; +} + +/// Calculate range +void wxRichTextPlainText::CalculateRange(long start, long& end) +{ + end = start + m_text.length() - 1; + m_range.SetRange(start, end); +} + +/// Delete range +bool wxRichTextPlainText::DeleteRange(const wxRichTextRange& range) +{ + wxRichTextRange r = range; + + r.LimitTo(GetRange()); + + if (r.GetStart() == GetRange().GetStart() && r.GetEnd() == GetRange().GetEnd()) + { + m_text.Empty(); + return true; + } + + long startIndex = r.GetStart() - GetRange().GetStart(); + long len = r.GetLength(); + + m_text = m_text.Mid(0, startIndex) + m_text.Mid(startIndex+len); + return true; +} + +/// Get text for the given range. +wxString wxRichTextPlainText::GetTextForRange(const wxRichTextRange& range) const +{ + wxRichTextRange r = range; + + 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() == wxCLASSINFO(wxRichTextPlainText) && + (m_text.empty() || (wxTextAttrEq(GetAttributes(), object->GetAttributes()) && m_properties == object->GetProperties())); +} + +/// 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(); + wxRichTextApplyStyle(m_attributes, textObject->GetAttributes()); + return true; + } + else + return false; +} + +/// Dump to output stream for debugging +void wxRichTextPlainText::Dump(wxTextOutputStream& stream) +{ + wxRichTextObject::Dump(stream); + stream << m_text << wxT("\n"); +} + +/// 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; +} + +/*! + * wxRichTextBuffer + * This is a kind of box, used to represent the whole buffer + */ + +IMPLEMENT_DYNAMIC_CLASS(wxRichTextBuffer, wxRichTextParagraphLayoutBox) + +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; + +/// 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; + m_dimensionScale = 1.0; + m_fontScale = 1.0; + SetMargins(4); +} + +/// 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) +{ + return ctrl->GetFocusObject()->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; +} + +/// 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()) + { + 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. + return GetCommandProcessor()->Submit(cmd, !SuppressingUndo()); + } + + 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; +} + +/// 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; +} + +/// 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; +} + +/// 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(); - wxString plainText; - if (GetContiguousPlainText(plainText, wxRichTextRange(range.GetStart(), breakPosition), false)) +#if wxUSE_CLIPBOARD && wxUSE_DATAOBJ + if (CanPasteFromClipboard()) { - int newLinePos = plainText.Find(wxRichTextLineBreakChar); - if (newLinePos != wxNOT_FOUND) - { - breakPosition = wxMax(0, range.GetStart() + newLinePos); - } - else + if (wxTheClipboard->Open()) { - int spacePos = plainText.Find(wxT(' '), true); - if (spacePos != wxNOT_FOUND) + if (wxTheClipboard->IsSupported(wxDataFormat(wxRichTextBufferDataObject::GetRichTextBufferFormatId()))) { - int positionsFromEndOfString = plainText.length() - spacePos - 1; - breakPosition = breakPosition - positionsFromEndOfString; + 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); - wrapPosition = breakPosition; + if (GetRichTextCtrl()) + GetRichTextCtrl()->ShowPosition(position + text2.Length()); - return true; -} + success = true; + } + else if (wxTheClipboard->IsSupported(wxDF_BITMAP)) + { + wxBitmapDataObject data; + wxTheClipboard->GetData(data); + wxBitmap bitmap(data.GetBitmap()); + wxImage image(bitmap.ConvertToImage()); -/// 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; + wxRichTextAction* action = new wxRichTextAction(NULL, _("Insert Image"), wxRICHTEXT_INSERT, this, container, GetRichTextCtrl(), false); - int number = GetAttributes().GetBulletNumber(); + action->GetNewParagraphs().AddImage(image); - 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(); - } - - 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(); - } + if (action->GetNewParagraphs().GetChildCount() == 1) + action->GetNewParagraphs().SetPartialParagraph(true); - 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(")"); - } + action->SetPosition(position+1); - if (GetAttributes().GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_PERIOD) - { - text += wxT("."); - } + // Set the range we'll need to delete in Undo + action->SetRange(wxRichTextRange(position+1, position+1)); - return text; -} + SubmitAction(action); -/// 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 - { - wxRichTextLine* line = new wxRichTextLine(this); - m_cachedLines.Append(line); - return line; + success = true; + } + wxTheClipboard->Close(); + } } +#else + wxUnusedVar(position); +#endif + return success; } -/// Clear remaining unused line objects, if any -bool wxRichTextParagraph::ClearUnusedLines(int lineCount) +/// Can we paste from the clipboard? +bool wxRichTextBuffer::CanPasteFromClipboard() const { - int cachedLineCount = m_cachedLines.GetCount(); - if ((int) cachedLineCount > lineCount) + bool canPaste = false; +#if wxUSE_CLIPBOARD && wxUSE_DATAOBJ + if (!wxTheClipboard->IsOpened() && wxTheClipboard->Open()) { - for (int i = 0; i < (int) (cachedLineCount - lineCount); i ++) + if (wxTheClipboard->IsSupported(wxDF_TEXT) +#if wxUSE_UNICODE + || wxTheClipboard->IsSupported(wxDF_UNICODETEXT) +#endif + || wxTheClipboard->IsSupported(wxDataFormat(wxRichTextBufferDataObject::GetRichTextBufferFormatId())) || + wxTheClipboard->IsSupported(wxDF_BITMAP)) { - wxRichTextLineList::compatibility_iterator node = m_cachedLines.GetLast(); - wxRichTextLine* line = node->GetData(); - m_cachedLines.Erase(node); - delete line; + canPaste = true; } + wxTheClipboard->Close(); } - return true; +#endif + return canPaste; } -/// Get combined attributes of the base style, paragraph style and character style. We use this to dynamically -/// retrieve the actual style. -wxTextAttrEx wxRichTextParagraph::GetCombinedAttributes(const wxTextAttrEx& contentStyle) const +/// Dumps contents of buffer for debugging purposes +void wxRichTextBuffer::Dump() { - wxTextAttrEx attr; - wxRichTextBuffer* buf = wxDynamicCast(GetParent(), wxRichTextBuffer); - if (buf) + wxString text; { - attr = buf->GetBasicStyle(); - wxRichTextApplyStyle(attr, GetAttributes()); + wxStringOutputStream stream(& text); + wxTextOutputStream textStream(stream); + Dump(textStream); } - else - attr = GetAttributes(); - wxRichTextApplyStyle(attr, contentStyle); - return attr; + wxLogDebug(text); } -/// Get combined attributes of the base style and paragraph style. -wxTextAttrEx wxRichTextParagraph::GetCombinedAttributes() const +/// Add an event handler +bool wxRichTextBuffer::AddEventHandler(wxEvtHandler* handler) { - wxTextAttrEx attr; - wxRichTextBuffer* buf = wxDynamicCast(GetParent(), wxRichTextBuffer); - if (buf) - { - attr = buf->GetBasicStyle(); - wxRichTextApplyStyle(attr, GetAttributes()); - } - else - attr = GetAttributes(); - - return attr; + m_eventHandlers.Append(handler); + return true; } -/// Create default tabstop array -void wxRichTextParagraph::InitDefaultTabs() +/// Remove an event handler +bool wxRichTextBuffer::RemoveEventHandler(wxEvtHandler* handler, bool deleteHandler) { - // create a default tab list at 10 mm each. - for (int i = 0; i < 20; ++i) + wxList::compatibility_iterator node = m_eventHandlers.Find(handler); + if (node) { - sm_defaultTabs.Add(i*100); + m_eventHandlers.Erase(node); + if (deleteHandler) + delete handler; + + return true; } + else + return false; } -/// Clear default tabstop array -void wxRichTextParagraph::ClearDefaultTabs() +/// Clear event handlers +void wxRichTextBuffer::ClearEventHandlers() { - sm_defaultTabs.Clear(); + m_eventHandlers.Clear(); } -/// Get the first position from pos that has a line break character. -long wxRichTextParagraph::GetFirstLineBreakPosition(long pos) +/// 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) { - wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst(); - while (node) + bool success = false; + for (wxList::compatibility_iterator node = m_eventHandlers.GetFirst(); node; node = node->GetNext()) { - wxRichTextObject* obj = node->GetData(); - if (pos >= obj->GetRange().GetStart() && pos <= obj->GetRange().GetEnd()) + wxEvtHandler* handler = (wxEvtHandler*) node->GetData(); + if (handler->ProcessEvent(event)) { - wxRichTextPlainText* textObj = wxDynamicCast(obj, wxRichTextPlainText); - if (textObj) - { - long breakPos = textObj->GetFirstLineBreakPosition(pos); - if (breakPos > -1) - return breakPos; - } + success = true; + if (!sendToAll) + return true; } - node = node->GetNext(); } - return -1; + return success; } -/*! - * 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. - */ +/// 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_COMMAND_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); -wxRichTextLine::wxRichTextLine(wxRichTextParagraph* parent) -{ - Init(parent); + event.SetEventType(wxEVT_COMMAND_RICHTEXT_STYLESHEET_REPLACED); + event.SetOldStyleSheet(NULL); + event.Allow(); + + return SendEvent(event); } -/// Initialisation -void wxRichTextLine::Init(wxRichTextParagraph* parent) +/// Set renderer, deleting old one +void wxRichTextBuffer::SetRenderer(wxRichTextRenderer* renderer) { - m_parent = parent; - m_range.SetRange(-1, -1); - m_pos = wxPoint(0, 0); - m_size = wxSize(0, 0); - m_descent = 0; + if (sm_renderer) + delete sm_renderer; + sm_renderer = renderer; } -/// Copy -void wxRichTextLine::Copy(const wxRichTextLine& obj) +/// 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) { - m_range = obj.m_range; + 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; + } } -/// Get the absolute object position -wxPoint wxRichTextLine::GetAbsolutePosition() const +void wxRichTextBuffer::SetFontScale(double fontScale) { - return m_parent->GetPosition() + m_pos; + m_fontScale = fontScale; + m_fontTable.SetFontScale(fontScale); } -/// Get the absolute range -wxRichTextRange wxRichTextLine::GetAbsoluteRange() const +void wxRichTextBuffer::SetDimensionScale(double dimScale) { - wxRichTextRange range(m_range.GetStart() + m_parent->GetRange().GetStart(), 0); - range.SetEnd(range.GetStart() + m_range.GetLength()-1); - return range; + m_dimensionScale = dimScale; } -/*! - * wxRichTextPlainText - * This object represents a single piece of text. - */ - -IMPLEMENT_DYNAMIC_CLASS(wxRichTextPlainText, wxRichTextObject) - -wxRichTextPlainText::wxRichTextPlainText(const wxString& text, wxRichTextObject* parent, wxTextAttrEx* style): - wxRichTextObject(parent) +bool wxRichTextStdRenderer::DrawStandardBullet(wxRichTextParagraph* paragraph, wxDC& dc, const wxRichTextAttr& bulletAttr, const wxRect& rect) { - if (style) - SetAttributes(*style); + if (bulletAttr.GetTextColour().IsOk()) + { + wxCheckSetPen(dc, wxPen(bulletAttr.GetTextColour())); + wxCheckSetBrush(dc, wxBrush(bulletAttr.GetTextColour())); + } + else + { + wxCheckSetPen(dc, *wxBLACK_PEN); + wxCheckSetBrush(dc, *wxBLACK_BRUSH); + } - m_text = text; -} + wxFont font; + if (bulletAttr.HasFont()) + { + font = paragraph->GetBuffer()->GetFontTable().FindFont(bulletAttr); + } + else + font = (*wxNORMAL_FONT); -#define USE_KERNING_FIX 1 + wxCheckSetFont(dc, font); -/// 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); + int charHeight = dc.GetCharHeight(); - wxTextAttrEx textAttr(para ? para->GetCombinedAttributes(GetAttributes()) : GetAttributes()); + int bulletWidth = (int) (((float) charHeight) * wxRichTextBuffer::GetBulletProportion()); + int bulletHeight = bulletWidth; - int offset = GetRange().GetStart(); + int x = rect.x; - // Replace line break characters with spaces - wxString str = m_text; - wxString toRemove = wxRichTextLineBreakChar; - str.Replace(toRemove, wxT(" ")); - - 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(); + // Calculate the top position of the character (as opposed to the whole line height) + int y = rect.y + (rect.height - charHeight); - int charHeight = dc.GetCharHeight(); + // Calculate where the bullet should be positioned + y = y + (charHeight+1)/2 - (bulletHeight+1)/2; - int x = rect.x; - int y = rect.y + (rect.height - charHeight - (descent - m_descent)); + // The margin between a bullet and text. + int margin = paragraph->ConvertTenthsMMToPixels(dc, wxRichTextBuffer::GetBulletRightMargin()); - // Test for the optimized situations where all is selected, or none - // is selected. + 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 (textAttr.GetFont().Ok()) - dc.SetFont(textAttr.GetFont()); + 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; - // (a) All selected. - if (selectionRange.GetStart() <= range.GetStart() && selectionRange.GetEnd() >= range.GetEnd()) + dc.DrawPolygon(4, pts); + } + else if (bulletAttr.GetBulletName() == wxT("standard/triangle")) { - DrawTabbedString(dc, textAttr, rect, stringChunk, x, y, true); + 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); } - // (b) None selected. - else if (selectionRange.GetEnd() < range.GetStart() || selectionRange.GetStart() > range.GetEnd()) + else if (bulletAttr.GetBulletName() == wxT("standard/circle-outline")) { - // Draw all unselected - DrawTabbedString(dc, textAttr, rect, stringChunk, x, y, false); + wxCheckSetBrush(dc, *wxTRANSPARENT_BRUSH); + dc.DrawEllipse(x, y, bulletWidth, bulletHeight); } - else + else // "standard/circle", and catch-all { - // (c) Part selected, part not - // Let's draw unselected chunk, selected chunk, then unselected chunk. + dc.DrawEllipse(x, y, bulletWidth, bulletHeight); + } - dc.SetBackgroundMode(wxTRANSPARENT); + return true; +} - // 1. Initial unselected chunk, if any, up until start of selection. - if (selectionRange.GetStart() > range.GetStart() && selectionRange.GetStart() <= range.GetEnd()) +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()) { - 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); + 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); - DrawTabbedString(dc, textAttr, rect, stringFragment, x, y, false); + wxCheckSetFont(dc, font); -#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)); + if (attr.GetTextColour().IsOk()) + dc.SetTextForeground(attr.GetTextColour()); - wxCoord w1, h1, w2, h2, w3, h3; - dc.GetTextExtent(stringFragment, & w1, & h1); - dc.GetTextExtent(stringFragment2, & w2, & h2); - dc.GetTextExtent(stringFragment3, & w3, & h3); + dc.SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT); - int kerningDiff = (w1 + w3) - w2; - x = x - kerningDiff; - } -#endif - } + int charHeight = dc.GetCharHeight(); + wxCoord tw, th; + dc.GetTextExtent(text, & tw, & th); - // 2. Selected chunk, if any. - if (selectionRange.GetEnd() >= range.GetStart()) - { - int s1 = wxMax(selectionRange.GetStart(), range.GetStart()); - int s2 = wxMin(selectionRange.GetEnd(), range.GetEnd()); + int x = rect.x; - 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); + // Calculate the top position of the character (as opposed to the whole line height) + int y = rect.y + (rect.height - charHeight); - DrawTabbedString(dc, textAttr, rect, stringFragment, x, y, true); + // The margin between a bullet and text. + int margin = paragraph->ConvertTenthsMMToPixels(dc, wxRichTextBuffer::GetBulletRightMargin()); -#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)); + 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; - wxCoord w1, h1, w2, h2, w3, h3; - dc.GetTextExtent(stringFragment, & w1, & h1); - dc.GetTextExtent(stringFragment2, & w2, & h2); - dc.GetTextExtent(stringFragment3, & w3, & h3); + dc.DrawText(text, x, y); - int kerningDiff = (w1 + w3) - w2; - x = x - kerningDiff; - } -#endif - } + 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) - // 3. Remaining unselected chunk, if any - if (selectionRange.GetEnd() < range.GetEnd()) - { - int s2 = wxMin(selectionRange.GetEnd()+1, range.GetEnd()); - int r2 = range.GetEnd(); +wxRichTextField::wxRichTextField(const wxString& fieldType, wxRichTextObject* parent): + wxRichTextParagraphLayoutBox(parent) +{ + SetFieldType(fieldType); +} - 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); +/// 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; - DrawTabbedString(dc, textAttr, rect, stringFragment, x, y, false); - } - } + wxRichTextFieldType* fieldType = wxRichTextBuffer::FindFieldType(GetFieldType()); + if (fieldType && fieldType->Draw(this, dc, context, range, selection, rect, descent, style)) + return true; - return true; + // Fallback; but don't draw guidelines. + style &= ~wxRICHTEXT_DRAW_GUIDELINES; + return wxRichTextParagraphLayoutBox::Draw(dc, context, range, selection, rect, descent, style); } -bool wxRichTextPlainText::DrawTabbedString(wxDC& dc, const wxTextAttrEx& attr, const wxRect& rect,wxString& str, wxCoord& x, wxCoord& y, bool selected) +bool wxRichTextField::Layout(wxDC& dc, wxRichTextDrawingContext& context, const wxRect& rect, const wxRect& parentRect, int style) { - bool hasTabs = (str.Find(wxT('\t')) != wxNOT_FOUND); + wxRichTextFieldType* fieldType = wxRichTextBuffer::FindFieldType(GetFieldType()); + if (fieldType && fieldType->Layout(this, dc, context, rect, parentRect, style)) + return true; - wxArrayInt tabArray; - int tabCount; - if (hasTabs) - { - if (attr.GetTabs().IsEmpty()) - tabArray = wxRichTextParagraph::GetDefaultTabs(); - else - tabArray = attr.GetTabs(); - tabCount = tabArray.GetCount(); + // Fallback + return wxRichTextParagraphLayoutBox::Layout(dc, context, rect, parentRect, style); +} - for (int i = 0; i < tabCount; ++i) - { - int pos = tabArray[i]; - pos = ConvertTenthsMMToPixels(dc, pos); - tabArray[i] = pos; - } - } - else - tabCount = 0; +bool wxRichTextField::GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, wxRichTextDrawingContext& context, int flags, wxPoint position, wxArrayInt* partialExtents) const +{ + wxRichTextFieldType* fieldType = wxRichTextBuffer::FindFieldType(GetFieldType()); + if (fieldType) + return fieldType->GetRangeSize((wxRichTextField*) this, range, size, descent, dc, context, flags, position, partialExtents); - int nextTabPos = -1; - int tabPos = -1; - wxCoord w, h; + return wxRichTextParagraphLayoutBox::GetRangeSize(range, size, descent, dc, context, flags, position, partialExtents); +} - if (selected) - { - dc.SetBrush(*wxBLACK_BRUSH); - dc.SetPen(*wxBLACK_PEN); - dc.SetTextForeground(*wxWHITE); - dc.SetBackgroundMode(wxTRANSPARENT); - } +/// Calculate range +void wxRichTextField::CalculateRange(long start, long& end) +{ + if (IsTopLevel()) + wxRichTextParagraphLayoutBox::CalculateRange(start, end); else - { - dc.SetTextForeground(attr.GetTextColour()); - dc.SetBackgroundMode(wxTRANSPARENT); - } + wxRichTextObject::CalculateRange(start, end); +} - while (hasTabs) - { - // 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) - { - nextTabPos = tabArray.Item(i); - if (nextTabPos > tabPos) - { - not_found = false; - if (selected) - { - w = nextTabPos - x; - wxRect selRect(x, rect.y, w, rect.GetHeight()); - dc.DrawRectangle(selRect); - } - dc.DrawText(stringChunk, x, y); +/// Copy +void wxRichTextField::Copy(const wxRichTextField& obj) +{ + wxRichTextParagraphLayoutBox::Copy(obj); - 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); - } + UpdateField(GetBuffer()); +} - x = nextTabPos; - } - } - hasTabs = (str.Find(wxT('\t')) != wxNOT_FOUND); - } +// 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); - 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); + return false; +} - 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); - } +bool wxRichTextField::CanEditProperties() const +{ + wxRichTextFieldType* fieldType = wxRichTextBuffer::FindFieldType(GetFieldType()); + if (fieldType) + return fieldType->CanEditProperties((wxRichTextField*) this); - x += w; - } - return true; + return false; +} + +wxString wxRichTextField::GetPropertiesMenuLabel() const +{ + wxRichTextFieldType* fieldType = wxRichTextBuffer::FindFieldType(GetFieldType()); + if (fieldType) + return fieldType->GetPropertiesMenuLabel((wxRichTextField*) this); + return wxEmptyString; } -/// Lay the item out -bool wxRichTextPlainText::Layout(wxDC& dc, const wxRect& WXUNUSED(rect), int WXUNUSED(style)) +bool wxRichTextField::UpdateField(wxRichTextBuffer* buffer) { - wxRichTextParagraph* para = wxDynamicCast(GetParent(), wxRichTextParagraph); - wxASSERT (para != NULL); + wxRichTextFieldType* fieldType = wxRichTextBuffer::FindFieldType(GetFieldType()); + if (fieldType) + return fieldType->UpdateField(buffer, (wxRichTextField*) this); - wxTextAttrEx textAttr(para ? para->GetCombinedAttributes(GetAttributes()) : GetAttributes()); + return false; +} - if (textAttr.GetFont().Ok()) - dc.SetFont(textAttr.GetFont()); +bool wxRichTextField::IsTopLevel() const +{ + wxRichTextFieldType* fieldType = wxRichTextBuffer::FindFieldType(GetFieldType()); + if (fieldType) + return fieldType->IsTopLevel((wxRichTextField*) this); - wxString str = m_text; - if (textAttr.HasTextEffects() && (textAttr.GetTextEffects() & wxTEXT_ATTR_EFFECT_CAPITALS)) - str.MakeUpper(); + return true; +} - wxString toReplace = wxRichTextLineBreakChar; - str.Replace(toReplace, wxT(" ")); +IMPLEMENT_CLASS(wxRichTextFieldType, wxObject) - wxCoord w, h; - dc.GetTextExtent(str, & w, & h, & m_descent); - m_size = wxSize(w, dc.GetCharHeight()); +IMPLEMENT_CLASS(wxRichTextFieldTypeStandard, wxRichTextFieldType) - return true; +wxRichTextFieldTypeStandard::wxRichTextFieldTypeStandard(const wxString& name, const wxString& label, int displayStyle) +{ + Init(); + + SetName(name); + SetLabel(label); + SetDisplayStyle(displayStyle); } -/// Copy -void wxRichTextPlainText::Copy(const wxRichTextPlainText& obj) +wxRichTextFieldTypeStandard::wxRichTextFieldTypeStandard(const wxString& name, const wxBitmap& bitmap, int displayStyle) { - wxRichTextObject::Copy(obj); + Init(); - m_text = obj.m_text; + SetName(name); + SetBitmap(bitmap); + SetDisplayStyle(displayStyle); } -/// 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 +void wxRichTextFieldTypeStandard::Init() { - if (!range.IsWithin(GetRange())) - return false; + 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; +} - wxRichTextParagraph* para = wxDynamicCast(GetParent(), wxRichTextParagraph); - wxASSERT (para != NULL); +void wxRichTextFieldTypeStandard::Copy(const wxRichTextFieldTypeStandard& field) +{ + wxRichTextFieldType::Copy(field); - wxTextAttrEx textAttr(para ? para->GetCombinedAttributes(GetAttributes()) : GetAttributes()); + 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; +} - // 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 +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; - if (textAttr.GetFont().Ok()) - dc.SetFont(textAttr.GetFont()); + wxPen borderPen(m_borderColour, 1, wxSOLID); + wxBrush backgroundBrush(m_backgroundColour); + wxColour textColour(m_textColour); - int startPos = range.GetStart() - GetRange().GetStart(); - long len = range.GetLength(); - - wxString str(m_text); - wxString toReplace = wxRichTextLineBreakChar; - str.Replace(toReplace, wxT(" ")); + if (selection.WithinSelection(obj->GetRange().GetStart(), obj)) + { + wxColour highlightColour(wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT)); + wxColour highlightTextColour(wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT)); - wxString stringChunk = str.Mid(startPos, (size_t) len); + borderPen = wxPen(highlightTextColour, 1, wxSOLID); + backgroundBrush = wxBrush(highlightColour); - if (textAttr.HasTextEffects() && (textAttr.GetTextEffects() & wxTEXT_ATTR_EFFECT_CAPITALS)) - stringChunk.MakeUpper(); + wxCheckSetBrush(dc, backgroundBrush); + wxCheckSetPen(dc, wxPen(highlightColour, 1, wxSOLID)); + dc.DrawRectangle(rect); + } - 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(); + if (m_displayStyle != wxRICHTEXT_FIELD_STYLE_NO_BORDER) + borderSize = 0; - int tabCount = tabArray.GetCount(); + // 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)); - for (int i = 0; i < tabCount; ++i) + // clientArea is where the text is actually written + wxRect clientArea = objectRect; + + if (m_displayStyle == wxRICHTEXT_FIELD_STYLE_RECTANGLE) { - int pos = tabArray[i]; - pos = ((wxRichTextPlainText*) this)->ConvertTenthsMMToPixels(dc, pos); - tabArray[i] = pos; + 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); - int nextTabPos = -1; + 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); - while (stringChunk.Find(wxT('\t')) >= 0) + 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()) { - // 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; - bool notFound = true; - for (int i = 0; i < tabCount && notFound; ++i) + 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)) { - nextTabPos = tabArray.Item(i); - if (nextTabPos > absoluteWidth) - { - notFound = false; - width = nextTabPos - position.x; - } + 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); + } } - 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) +bool wxRichTextFieldTypeStandard::Layout(wxRichTextField* obj, wxDC& dc, wxRichTextDrawingContext& context, const wxRect& WXUNUSED(rect), const wxRect& WXUNUSED(parentRect), int style) { - 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); - - m_text = firstPart; - - wxRichTextPlainText* newObject = new wxRichTextPlainText(secondPart); - newObject->SetAttributes(GetAttributes()); + if (m_displayStyle == wxRICHTEXT_FIELD_STYLE_COMPOSITE) + return false; // USe default composite layout - newObject->SetRange(wxRichTextRange(pos, GetRange().GetEnd())); - GetRange().SetEnd(pos-1); - - return newObject; + wxSize size = GetSize(obj, dc, context, style); + obj->SetCachedSize(size); + obj->SetMinSize(size); + obj->SetMaxSize(size); + return true; } -/// Calculate range -void wxRichTextPlainText::CalculateRange(long start, long& end) +bool wxRichTextFieldTypeStandard::GetRangeSize(wxRichTextField* obj, const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, wxRichTextDrawingContext& context, int flags, wxPoint position, wxArrayInt* partialExtents) const { - end = start + m_text.length() - 1; - m_range.SetRange(start, end); + if (IsTopLevel(obj)) + return obj->wxRichTextParagraphLayoutBox::GetRangeSize(range, size, descent, dc, context, flags, position); + 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; + } } -/// Delete range -bool wxRichTextPlainText::DeleteRange(const wxRichTextRange& range) +wxSize wxRichTextFieldTypeStandard::GetSize(wxRichTextField* WXUNUSED(obj), wxDC& dc, wxRichTextDrawingContext& WXUNUSED(context), int WXUNUSED(style)) const { - wxRichTextRange r = range; + int borderSize = 1; + int w = 0, h = 0, maxDescent = 0; - r.LimitTo(GetRange()); + wxSize sz; + if (m_bitmap.IsOk()) + { + w = m_bitmap.GetWidth(); + h = m_bitmap.GetHeight(); - if (r.GetStart() == GetRange().GetStart() && r.GetEnd() == GetRange().GetEnd()) + sz = wxSize(w + m_horizontalMargin*2, h + m_verticalMargin*2); + } + else { - m_text.Empty(); - return true; + 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); } - long startIndex = r.GetStart() - GetRange().GetStart(); - long len = r.GetLength(); + if (m_displayStyle != wxRICHTEXT_FIELD_STYLE_NO_BORDER) + { + sz.x += borderSize*2; + sz.y += borderSize*2; + } - m_text = m_text.Mid(0, startIndex) + m_text.Mid(startIndex+len); - return true; -} + 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); + } -/// Get text for the given range. -wxString wxRichTextPlainText::GetTextForRange(const wxRichTextRange& range) const -{ - wxRichTextRange r = range; + return sz; +} - r.LimitTo(GetRange()); +IMPLEMENT_DYNAMIC_CLASS(wxRichTextCell, wxRichTextBox) - long startIndex = r.GetStart() - GetRange().GetStart(); - long len = r.GetLength(); +wxRichTextCell::wxRichTextCell(wxRichTextObject* parent): + wxRichTextBox(parent) +{ +} - return m_text.Mid(startIndex, len); +/// 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); } -/// Returns true if this object can merge itself with the given one. -bool wxRichTextPlainText::CanMerge(wxRichTextObject* object) const +/// Copy +void wxRichTextCell::Copy(const wxRichTextCell& obj) { - return object->GetClassInfo() == CLASSINFO(wxRichTextPlainText) && - (m_text.empty() || wxTextAttrEq(GetAttributes(), object->GetAttributes())); + wxRichTextBox::Copy(obj); } -/// 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) +// Edit properties via a GUI +bool wxRichTextCell::EditProperties(wxWindow* parent, wxRichTextBuffer* buffer) { - wxRichTextPlainText* textObject = wxDynamicCast(object, wxRichTextPlainText); - wxASSERT( textObject != NULL ); + // We need to gather common attributes for all selected cells. - if (textObject) + wxRichTextTable* table = wxDynamicCast(GetParent(), wxRichTextTable); + bool multipleCells = false; + wxRichTextAttr attr; + + if (table && buffer && buffer->GetRichTextCtrl() && buffer->GetRichTextCtrl()->GetSelection().IsValid() && + buffer->GetRichTextCtrl()->GetSelection().GetContainer() == GetParent()) { - m_text += textObject->GetText(); - return true; + 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 - return false; -} + { + attr = GetAttributes(); + } -/// Dump to output stream for debugging -void wxRichTextPlainText::Dump(wxTextOutputStream& stream) -{ - wxRichTextObject::Dump(stream); - stream << m_text << wxT("\n"); -} + wxString caption; + if (multipleCells) + caption = _("Multiple Cell Properties"); + else + caption = _("Cell Properties"); -/// 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++) + wxRichTextObjectPropertiesDialog cellDlg(this, wxGetTopLevelParent(parent), wxID_ANY, caption); + cellDlg.SetAttributes(attr); + + wxRichTextSizePage* sizePage = wxDynamicCast(cellDlg.FindPage(wxCLASSINFO(wxRichTextSizePage)), wxRichTextSizePage); + if (sizePage) { - wxChar ch = m_text[i]; - if (ch == wxRichTextLineBreakChar) + // We don't want position and floating controls for a cell. + sizePage->ShowPositionControls(false); + sizePage->ShowFloatingControls(false); + } + + if (cellDlg.ShowModal() == wxID_OK) + { + if (multipleCells) { - return i + m_range.GetStart(); + 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; } - return -1; + else + return false; } -/*! - * wxRichTextBuffer - * This is a kind of box, used to represent the whole buffer - */ - -IMPLEMENT_DYNAMIC_CLASS(wxRichTextBuffer, wxRichTextParagraphLayoutBox) +WX_DEFINE_OBJARRAY(wxRichTextObjectPtrArrayArray) -wxList wxRichTextBuffer::sm_handlers; -wxRichTextRenderer* wxRichTextBuffer::sm_renderer = NULL; -int wxRichTextBuffer::sm_bulletRightMargin = 20; -float wxRichTextBuffer::sm_bulletProportion = (float) 0.3; +IMPLEMENT_DYNAMIC_CLASS(wxRichTextTable, wxRichTextBox) -/// Initialisation -void wxRichTextBuffer::Init() +wxRichTextTable::wxRichTextTable(wxRichTextObject* parent): wxRichTextBox(parent) { - 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_rowCount = 0; + m_colCount = 0; } -/// Initialisation -wxRichTextBuffer::~wxRichTextBuffer() +// Draws the object. +bool wxRichTextTable::Draw(wxDC& dc, wxRichTextDrawingContext& context, const wxRichTextRange& range, const wxRichTextSelection& selection, const wxRect& rect, int descent, int style) { - delete m_commandProcessor; - delete m_batchedCommand; - - ClearStyleStack(); - ClearEventHandlers(); + return wxRichTextBox::Draw(dc, context, range, selection, rect, descent, style); } -void wxRichTextBuffer::ResetAndClearCommands() -{ - Reset(); - - GetCommandProcessor()->ClearCommands(); - - Modify(false); - Invalidate(wxRICHTEXT_ALL); -} +WX_DECLARE_OBJARRAY(wxRect, wxRichTextRectArray); +WX_DEFINE_OBJARRAY(wxRichTextRectArray); -void wxRichTextBuffer::Copy(const wxRichTextBuffer& obj) +// 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) { - wxRichTextParagraphLayoutBox::Copy(obj); + 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; -} + // TODO: 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. -/// Push style sheet to top of stack -bool wxRichTextBuffer::PushStyleSheet(wxRichTextStyleSheet* styleSheet) -{ - if (m_styleSheet) - styleSheet->InsertSheet(m_styleSheet); + double scale = 1.0; + wxRichTextBuffer* buffer = GetBuffer(); + if (buffer) scale = buffer->GetScale(); - SetStyleSheet(styleSheet); + wxRect availableSpace = GetAvailableContentArea(dc, context, rect); + wxTextAttrDimensionConverter converter(dc, scale, availableSpace.GetSize()); - return true; -} + wxRichTextAttr attr(GetAttributes()); + context.ApplyVirtualAttributes(attr, this); -/// Pop style sheet from top of stack -wxRichTextStyleSheet* wxRichTextBuffer::PopStyleSheet() -{ - if (m_styleSheet) + // 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 = false; + + int tableWidth = rect.width; + if (attr.GetTextBoxAttr().GetWidth().IsValid()) { - wxRichTextStyleSheet* oldSheet = m_styleSheet; - m_styleSheet = oldSheet->GetNextSheet(); - oldSheet->Unlink(); + tableWidth = converter.GetPixels(attr.GetTextBoxAttr().GetWidth()); - return oldSheet; + // 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); } - else - return NULL; -} -/// 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); + // 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()); - wxTextAttrEx attr(GetDefaultStyle()); + // Assume that left and top padding are also used for inter-cell padding. + int paddingX = paddingLeft; + int paddingY = paddingTop; - wxTextAttrEx* p = NULL; - wxTextAttrEx paraAttr; - if (flags & wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE) + 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) { - paraAttr = GetStyleForNewParagraph(pos); - if (!paraAttr.IsDefault()) - p = & paraAttr; - } - else - p = & attr; + wxRect overallRect(rect.x, rect.y, totalLeftMargin + totalRightMargin, totalTopMargin + totalBottomMargin); + SetCachedSize(overallRect.GetSize()); - action->GetNewParagraphs() = paragraphs; + // Zero content size + SetMinSize(overallRect.GetSize()); + SetMaxSize(GetMinSize()); + return true; + } - if (p) + // 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++) + { + wxRichTextBox* cell = GetCell(j, i); + int colSpan = 1, rowSpan = 1; + if (cell->GetProperties().HasProperty(wxT("colspan"))) + colSpan = cell->GetProperties().GetPropertyLong(wxT("colspan")); + if (cell->GetProperties().HasProperty(wxT("rowspan"))) + rowSpan = cell->GetProperties().GetPropertyLong(wxT("rowspan")); + 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++) { - wxRichTextObjectList::compatibility_iterator node = m_children.GetLast(); - while (node) + for (i = 0; i < m_colCount; i++) { - wxRichTextParagraph* obj = (wxRichTextParagraph*) node->GetData(); - obj->SetAttributes(*p); - node = node->GetPrevious(); + wxRichTextBox* cell = GetCell(j, i); + if (rectArray.GetCount() == 0) + { + cell->Show(true); + } + else + { + int colSpan = 1, rowSpan = 1; + if (cell->GetProperties().HasProperty(wxT("colspan"))) + colSpan = cell->GetProperties().GetPropertyLong(wxT("colspan")); + if (cell->GetProperties().HasProperty(wxT("rowspan"))) + rowSpan = cell->GetProperties().GetPropertyLong(wxT("rowspan")); + 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); + } + } } } - action->SetPosition(pos); + // TODO: 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. - // Set the range we'll need to delete in Undo - action->SetRange(wxRichTextRange(pos, pos + paragraphs.GetRange().GetEnd() - 1)); + // (1) Do an initial layout for all cells to get minimum and maximum size, and get + // the absolute or percentage width of each column. - SubmitAction(action); + 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 - return true; -} + int overallRowContentMargin = 0; + int visibleCellCount = 0; -/// 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); + 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); - wxTextAttrEx* p = NULL; - wxTextAttrEx paraAttr; - if (flags & wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE) - { - paraAttr = GetStyleForNewParagraph(pos); - if (!paraAttr.IsDefault()) - p = & paraAttr; - } + overallRowContentMargin += (cellTotalLeftMargin + cellTotalRightMargin); + visibleCellCount ++; + } + } - action->GetNewParagraphs().AddParagraphs(text, p); + // Add in inter-cell padding + overallRowContentMargin += ((visibleCellCount-1) * paddingX); - int length = action->GetNewParagraphs().GetRange().GetLength(); + int rowContentWidth = internalTableWidth - overallRowContentMargin; + wxSize rowTableSize(rowContentWidth, 0); + wxTextAttrDimensionConverter converter(dc, scale, rowTableSize); - if (text.length() > 0 && text.Last() != wxT('\n')) - { - // Don't count the newline when undoing - length --; - action->GetNewParagraphs().SetPartialParagraph(true); - } + for (i = 0; i < m_colCount; i++) + { + wxRichTextBox* cell = GetCell(j, i); + if (cell->IsShown()) + { + int colSpan = 1; + if (cell->GetProperties().HasProperty(wxT("colspan"))) + colSpan = cell->GetProperties().GetPropertyLong(wxT("colspan")); - action->SetPosition(pos); + // Lay out cell to find min/max widths + cell->Invalidate(wxRICHTEXT_ALL); + cell->Layout(dc, context, availableSpace, availableSpace, style); - // Set the range we'll need to delete in Undo - action->SetRange(wxRichTextRange(pos, pos + length - 1)); + 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; + } - SubmitAction(action); + if (absoluteCellWidth != -1) + { + if (absoluteCellWidth > absoluteColWidths[i]) + absoluteColWidths[i] = absoluteCellWidth; + } - return true; -} + if (percentageCellWidth != -1) + { + if (percentageCellWidth > percentageColWidths[i]) + percentageColWidths[i] = percentageCellWidth; + } -/// 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); + 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; + } + } + } + } - wxTextAttrEx* p = NULL; - wxTextAttrEx paraAttr; - if (flags & wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE) + // (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++) { - paraAttr = GetStyleForNewParagraph(pos); - if (!paraAttr.IsDefault()) - p = & paraAttr; + 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); + } } - wxTextAttrEx attr(GetDefaultStyle()); + // (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; - wxRichTextParagraph* newPara = new wxRichTextParagraph(wxEmptyString, this, & attr); - action->GetNewParagraphs().AppendChild(newPara); - action->GetNewParagraphs().UpdateRanges(); - action->GetNewParagraphs().SetPartialParagraph(false); - action->SetPosition(pos); + 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); - if (p) - newPara->SetAttributes(*p); + overallRowContentMargin += (cellTotalLeftMargin + cellTotalRightMargin); + visibleCellCount ++; + } + } - // Set the range we'll need to delete in Undo - action->SetRange(wxRichTextRange(pos, pos)); + // 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++) + { + wxRichTextBox* cell = GetCell(j, i); + if (cell->IsShown()) + { + int colSpan = 1; + if (cell->GetProperties().HasProperty(wxT("colspan"))) + colSpan = cell->GetProperties().GetPropertyLong(wxT("colspan")); + + 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. - SubmitAction(action); + 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++) + { + // TODO: we need to take into account min widths. + // 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 ++; + } + } - return true; -} + // Now divide what's left between the remaining columns + int colShare = 0; + if (stretchColCount > 0) + colShare = widthLeft / stretchColCount; + int colShareRemainder = widthLeft - (colShare * stretchColCount); -/// 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); + // 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; + } + } - wxTextAttrEx* p = NULL; - wxTextAttrEx paraAttr; - if (flags & wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE) + // 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) { - paraAttr = GetStyleForNewParagraph(pos); - if (!paraAttr.IsDefault()) - p = & paraAttr; + 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 + } + } } - wxTextAttrEx attr(GetDefaultStyle()); + // 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. - wxRichTextParagraph* newPara = new wxRichTextParagraph(this, & attr); - if (p) - newPara->SetAttributes(*p); - wxRichTextImage* imageObject = new wxRichTextImage(imageBlock, newPara); - newPara->AppendChild(imageObject); - action->GetNewParagraphs().AppendChild(newPara); - action->GetNewParagraphs().UpdateRanges(); +/* + Sort out confusion between content width + and overall width later. For now, assume we specify overall width. - action->GetNewParagraphs().SetPartialParagraph(true); + So, now we've laid out the table to fit into the given space + and have used specified widths and minimum widths. - action->SetPosition(pos); + Now we need to consider how we will try to take maximum width into account. - // Set the range we'll need to delete in Undo - action->SetRange(wxRichTextRange(pos, pos)); +*/ - SubmitAction(action); + // (??) TODO: take max width into account - return true; -} + // (6) Lay out all cells again with the current values -/// 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 wxRichTextBuffer::GetStyleForNewParagraph(long pos, bool caretPosition) const -{ - wxRichTextParagraph* para = GetParagraphAtPosition(pos, caretPosition); - if (para) + int maxRight = 0; + int y = availableSpace.y; + for (j = 0; j < m_rowCount; j++) { - wxRichTextAttr attr; - bool foundAttributes = false; - - // Look for a matching paragraph style - if (!para->GetAttributes().GetParagraphStyleName().IsEmpty() && GetStyleSheet()) + 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++) { - wxRichTextParagraphStyleDefinition* paraDef = GetStyleSheet()->FindParagraphStyle(para->GetAttributes().GetParagraphStyleName()); - if (paraDef) + wxRichTextCell* cell = GetCell(j, i); + if (cell->IsShown()) { - if (!paraDef->GetNextStyle().IsEmpty()) + // 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) { - wxRichTextParagraphStyleDefinition* nextParaDef = GetStyleSheet()->FindParagraphStyle(paraDef->GetNextStyle()); - if (nextParaDef) - { - foundAttributes = true; - attr = nextParaDef->GetStyle(); - } + int h = converter.GetPixels(cell->GetAttributes().GetTextBoxAttr().GetHeight()); + if (h > maxSpecifiedCellHeight) + maxSpecifiedCellHeight = h; } - - // If we didn't find the 'next style', use this style instead. - if (!foundAttributes) + + if (colWidths[i] > 0) // absolute or proportional width has been specified { - foundAttributes = true; - attr = paraDef->GetStyle(); - } - } - } - if (!foundAttributes) - { - attr = para->GetAttributes(); - int flags = attr.GetFlags(); + int colSpan = 1; + if (cell->GetProperties().HasProperty(wxT("colspan"))) + colSpan = cell->GetProperties().GetPropertyLong(wxT("colspan")); - // Eliminate character styles - flags &= ( (~ wxTEXT_ATTR_FONT) | - (~ wxTEXT_ATTR_TEXT_COLOUR) | - (~ wxTEXT_ATTR_BACKGROUND_COLOUR) ); - attr.SetFlags(flags); - } - - // Now see if we need to number the paragraph. - if (attr.HasBulletStyle()) - { - wxRichTextAttr numberingAttr; - if (FindNextParagraphNumber(para, numberingAttr)) - wxRichTextApplyStyle(attr, (const wxRichTextAttr&) numberingAttr); - } + wxRect availableCellSpace; - return attr; - } - else - return wxRichTextAttr(); -} + // TODO: take into acount spans + if (colSpan > 1) + { + // Calculate the size of this spanning cell from its constituent columns + int xx = x; + int spans = wxMin(colSpan, m_colCount - i); + for (k = i; k < spans; k++) + { + if (k != i) + xx += paddingX; + xx += colWidths[k]; + } + availableCellSpace = wxRect(x, y, xx, -1); + } + else + availableCellSpace = wxRect(x, y, colWidths[i], -1); -/// Submit command to delete this range -bool wxRichTextBuffer::DeleteRangeWithUndo(const wxRichTextRange& range, wxRichTextCtrl* ctrl) -{ - wxRichTextAction* action = new wxRichTextAction(NULL, _("Delete"), wxRICHTEXT_DELETE, this, ctrl); + // Store actual width so we can force cell to be the appropriate width on the final loop + actualWidths[i] = availableCellSpace.GetWidth(); - action->SetPosition(ctrl->GetCaretPosition()); + // Lay out cell + cell->Invalidate(wxRICHTEXT_ALL); + cell->Layout(dc, context, availableCellSpace, availableSpace, style); - // Set the range to delete - action->SetRange(range); + // TODO: use GetCachedSize().x to compute 'natural' size - // Copy the fragment that we'll need to restore in Undo - CopyFragment(range, action->GetOldParagraphs()); + x += (availableCellSpace.GetWidth() + paddingX); + if (cell->GetCachedSize().y > maxCellHeight) + maxCellHeight = cell->GetCachedSize().y; + } + } + } - // 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) + maxCellHeight = wxMax(maxCellHeight, maxSpecifiedCellHeight); + + for (i = 0; i < m_colCount; i++) { - wxRichTextParagraph* nextPara = GetParagraphAtPosition(range.GetEnd()+1); - if (nextPara) + wxRichTextCell* cell = GetCell(j, i); + if (cell->IsShown()) { - wxRichTextParagraph* para = (wxRichTextParagraph*) action->GetOldParagraphs().GetChild(0); - para->SetAttributes(nextPara->GetAttributes()); + 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; } - SubmitAction(action); + // 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()); + } - return true; -} + // TODO: calculate max size + { + SetMaxSize(GetCachedSize()); + } -/// Collapse undo/redo commands -bool wxRichTextBuffer::BeginBatchUndo(const wxString& cmdName) -{ - if (m_batchedCommandDepth == 0) + // TODO: calculate min size { - wxASSERT(m_batchedCommand == NULL); - if (m_batchedCommand) - { - GetCommandProcessor()->Submit(m_batchedCommand); - } - m_batchedCommand = new wxRichTextCommand(cmdName); + SetMinSize(GetCachedSize()); } - m_batchedCommandDepth ++; + // 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; } -/// Collapse undo/redo commands -bool wxRichTextBuffer::EndBatchUndo() +// 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) { - m_batchedCommandDepth --; - - wxASSERT(m_batchedCommandDepth >= 0); - wxASSERT(m_batchedCommand != NULL); - - if (m_batchedCommandDepth == 0) + wxRichTextCell* child = GetCell(index+1); + if (child) { - GetCommandProcessor()->Submit(m_batchedCommand); - m_batchedCommand = NULL; + // 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); } - - return true; + else + return false; } -/// Submit immediately, or delay according to whether collapsing is on -bool wxRichTextBuffer::SubmitAction(wxRichTextAction* action) +// Get the cell at the given character position (in the range of the table). +wxRichTextCell* wxRichTextTable::GetCell(long pos) const { - if (BatchingUndo() && m_batchedCommand && !SuppressingUndo()) - m_batchedCommand->AddAction(action); - else + int row = 0, col = 0; + if (GetCellRowColumnPosition(pos, row, col)) { - wxRichTextCommand* cmd = new wxRichTextCommand(action->GetName()); - cmd->AddAction(action); - - // Only store it if we're not suppressing undo. - return GetCommandProcessor()->Submit(cmd, !SuppressingUndo()); + return GetCell(row, col); } - - return true; + else + return NULL; } -/// Begin suppressing undo/redo commands. -bool wxRichTextBuffer::BeginSuppressUndo() +// Get the row/column for a given character position +bool wxRichTextTable::GetCellRowColumnPosition(long pos, int& row, int& col) const { - m_suppressUndo ++; + if (m_colCount == 0 || m_rowCount == 0) + return false; - return true; -} + row = (int) (pos / m_colCount); + col = pos - (row * m_colCount); -/// End suppressing undo/redo commands. -bool wxRichTextBuffer::EndSuppressUndo() -{ - m_suppressUndo --; + wxASSERT(row < m_rowCount && col < m_colCount); - return true; + if (row < m_rowCount && col < m_colCount) + return true; + else + return false; } -/// Begin using a style -bool wxRichTextBuffer::BeginStyle(const wxTextAttrEx& style) +// Calculate range, taking row/cell ordering into account instead of relying +// on list ordering. +void wxRichTextTable::CalculateRange(long start, long& end) { - wxTextAttrEx newStyle(GetDefaultStyle()); - - // Save the old default style - m_attributeStack.Append((wxObject*) new wxTextAttrEx(GetDefaultStyle())); - - wxRichTextApplyStyle(newStyle, style); - newStyle.SetFlags(style.GetFlags()|newStyle.GetFlags()); + long current = start; + long lastEnd = current; - SetDefaultStyle(newStyle); + if (IsTopLevel()) + { + current = 0; + lastEnd = 0; + } - // wxLogDebug("Default style size = %d", GetDefaultStyle().GetFont().GetPointSize()); + 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; - return true; -} + child->CalculateRange(current, childEnd); -/// End the style -bool wxRichTextBuffer::EndStyle() -{ - if (!m_attributeStack.GetFirst()) - { - wxLogDebug(_("Too many EndStyle calls!")); - return false; + lastEnd = childEnd; + current = childEnd + 1; + } + } } - wxList::compatibility_iterator node = m_attributeStack.GetLast(); - wxTextAttrEx* attr = (wxTextAttrEx*)node->GetData(); - m_attributeStack.Erase(node); + // 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); - SetDefaultStyle(*attr); + // An object with no children has zero length + if (m_children.GetCount() == 0) + lastEnd --; + m_ownRange.SetRange(0, lastEnd); +} - delete attr; - return true; +// Gets the range size. +bool wxRichTextTable::GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, wxRichTextDrawingContext& context, int flags, wxPoint position, wxArrayInt* partialExtents) const +{ + return wxRichTextBox::GetRangeSize(range, size, descent, dc, context, flags, position, partialExtents); } -/// End all styles -bool wxRichTextBuffer::EndAllStyles() +// Deletes content in the given range. +bool wxRichTextTable::DeleteRange(const wxRichTextRange& WXUNUSED(range)) { - while (m_attributeStack.GetCount() != 0) - EndStyle(); + // TODO: implement deletion of cells return true; } -/// Clear the style stack -void wxRichTextBuffer::ClearStyleStack() +// Gets any text in this object for the given range. +wxString wxRichTextTable::GetTextForRange(const wxRichTextRange& range) const { - for (wxList::compatibility_iterator node = m_attributeStack.GetFirst(); node; node = node->GetNext()) - delete (wxTextAttrEx*) node->GetData(); - m_attributeStack.Clear(); + return wxRichTextBox::GetTextForRange(range); } -/// Begin using bold -bool wxRichTextBuffer::BeginBold() +// Copies this object. +void wxRichTextTable::Copy(const wxRichTextTable& obj) { - wxFont font(GetBasicStyle().GetFont()); - font.SetWeight(wxBOLD); + wxRichTextBox::Copy(obj); - wxTextAttrEx attr; - attr.SetFont(font,wxTEXT_ATTR_FONT_WEIGHT); + ClearTable(); - return BeginStyle(attr); -} + m_rowCount = obj.m_rowCount; + m_colCount = obj.m_colCount; -/// Begin using italic -bool wxRichTextBuffer::BeginItalic() -{ - wxFont font(GetBasicStyle().GetFont()); - font.SetStyle(wxITALIC); + m_cells.Add(wxRichTextObjectPtrArray(), m_rowCount); - wxTextAttrEx attr; - attr.SetFont(font, wxTEXT_ATTR_FONT_ITALIC); + 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); - return BeginStyle(attr); + colArray.Add(cell); + } + } } -/// Begin using underline -bool wxRichTextBuffer::BeginUnderline() +void wxRichTextTable::ClearTable() { - wxFont font(GetBasicStyle().GetFont()); - font.SetUnderlined(true); - - wxTextAttrEx attr; - attr.SetFont(font, wxTEXT_ATTR_FONT_UNDERLINE); - - return BeginStyle(attr); + m_cells.Clear(); + DeleteChildren(); } -/// Begin using point size -bool wxRichTextBuffer::BeginFontSize(int pointSize) +bool wxRichTextTable::CreateTable(int rows, int cols) { - wxFont font(GetBasicStyle().GetFont()); - font.SetPointSize(pointSize); + ClearTable(); - wxTextAttrEx attr; - attr.SetFont(font, wxTEXT_ATTR_FONT_SIZE); + m_rowCount = rows; + m_colCount = cols; - return BeginStyle(attr); -} + m_cells.Add(wxRichTextObjectPtrArray(), rows); -/// Begin using this font -bool wxRichTextBuffer::BeginFont(const wxFont& font) -{ - wxTextAttrEx attr; - attr.SetFlags(wxTEXT_ATTR_FONT); - attr.SetFont(font); + int i, j; + for (i = 0; i < rows; i++) + { + wxRichTextObjectPtrArray& colArray = m_cells[i]; + for (j = 0; j < cols; j++) + { + wxRichTextCell* cell = new wxRichTextCell; + AppendChild(cell); + cell->AddParagraph(wxEmptyString); - return BeginStyle(attr); + colArray.Add(cell); + } + } + + return true; } -/// Begin using this colour -bool wxRichTextBuffer::BeginTextColour(const wxColour& colour) +wxRichTextCell* wxRichTextTable::GetCell(int row, int col) const { - wxTextAttrEx attr; - attr.SetFlags(wxTEXT_ATTR_TEXT_COLOUR); - attr.SetTextColour(colour); + wxASSERT(row < m_rowCount); + wxASSERT(col < m_colCount); - return BeginStyle(attr); + if (row < m_rowCount && col < m_colCount) + { + wxRichTextObjectPtrArray& colArray = m_cells[row]; + wxRichTextObject* obj = colArray[col]; + return wxDynamicCast(obj, wxRichTextCell); + } + else + return NULL; } -/// Begin using alignment -bool wxRichTextBuffer::BeginAlignment(wxTextAttrAlignment alignment) +// 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 { - wxTextAttrEx attr; - attr.SetFlags(wxTEXT_ATTR_ALIGNMENT); - attr.SetAlignment(alignment); + wxRichTextSelection selection; + selection.SetContainer((wxRichTextTable*) this); - return BeginStyle(attr); -} + if (start > end) + { + long tmp = end; + end = start; + start = tmp; + } -/// Begin left indent -bool wxRichTextBuffer::BeginLeftIndent(int leftIndent, int leftSubIndent) -{ - wxTextAttrEx attr; - attr.SetFlags(wxTEXT_ATTR_LEFT_INDENT); - attr.SetLeftIndent(leftIndent, leftSubIndent); + 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. - return BeginStyle(attr); -} -/// Begin right indent -bool wxRichTextBuffer::BeginRightIndent(int rightIndent) -{ - wxTextAttrEx attr; - attr.SetFlags(wxTEXT_ATTR_RIGHT_INDENT); - attr.SetRightIndent(rightIndent); +*/ - return BeginStyle(attr); -} + int leftCol = start - m_colCount * int(start/m_colCount); + int rightCol = end - m_colCount * int(end/m_colCount); -/// 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; + int topRow = int(start/m_colCount); + int bottomRow = int(end/m_colCount); - wxTextAttrEx attr; - attr.SetFlags(flags); - attr.SetParagraphSpacingBefore(before); - attr.SetParagraphSpacingAfter(after); + if (leftCol > rightCol) + { + int tmp = rightCol; + rightCol = leftCol; + leftCol = tmp; + } - return BeginStyle(attr); -} + if (topRow > bottomRow) + { + int tmp = bottomRow; + bottomRow = topRow; + topRow = tmp; + } -/// Begin line spacing -bool wxRichTextBuffer::BeginLineSpacing(int lineSpacing) -{ - wxTextAttrEx attr; - attr.SetFlags(wxTEXT_ATTR_LINE_SPACING); - attr.SetLineSpacing(lineSpacing); + 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 BeginStyle(attr); + return selection; } -/// Begin numbered bullet -bool wxRichTextBuffer::BeginNumberedBullet(int bulletNumber, int leftIndent, int leftSubIndent, int bulletStyle) +// Sets the attributes for the cells specified by the selection. +bool wxRichTextTable::SetCellStyle(const wxRichTextSelection& selection, const wxRichTextAttr& style, int flags) { - wxTextAttrEx attr; - attr.SetFlags(wxTEXT_ATTR_BULLET_STYLE|wxTEXT_ATTR_LEFT_INDENT); - attr.SetBulletStyle(bulletStyle); - attr.SetBulletNumber(bulletNumber); - attr.SetLeftIndent(leftIndent, leftSubIndent); + if (selection.GetContainer() != this) + return false; - return BeginStyle(attr); -} + wxRichTextBuffer* buffer = GetBuffer(); + bool haveControl = (buffer && buffer->GetRichTextCtrl() != NULL); + bool withUndo = haveControl && ((flags & wxRICHTEXT_SETSTYLE_WITH_UNDO) != 0); -/// Begin symbol bullet -bool wxRichTextBuffer::BeginSymbolBullet(const wxString& symbol, int leftIndent, int leftSubIndent, int bulletStyle) -{ - wxTextAttrEx attr; - attr.SetFlags(wxTEXT_ATTR_BULLET_STYLE|wxTEXT_ATTR_LEFT_INDENT); - attr.SetBulletStyle(bulletStyle); - attr.SetLeftIndent(leftIndent, leftSubIndent); - attr.SetBulletText(symbol); + if (withUndo) + buffer->BeginBatchUndo(_("Set Cell Style")); - return BeginStyle(attr); -} + 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(); + } -/// Begin standard bullet -bool wxRichTextBuffer::BeginStandardBullet(const wxString& bulletName, int leftIndent, int leftSubIndent, int bulletStyle) -{ - wxTextAttrEx attr; - attr.SetFlags(wxTEXT_ATTR_BULLET_STYLE|wxTEXT_ATTR_LEFT_INDENT); - attr.SetBulletStyle(bulletStyle); - attr.SetLeftIndent(leftIndent, leftSubIndent); - attr.SetBulletName(bulletName); + // Do action, or delay it until end of batch. + if (withUndo) + buffer->EndBatchUndo(); - return BeginStyle(attr); + return true; } -/// Begin named character style -bool wxRichTextBuffer::BeginCharacterStyle(const wxString& characterStyle) +bool wxRichTextTable::DeleteRows(int startRow, int noRows) { - if (GetStyleSheet()) + wxASSERT((startRow + noRows) < m_rowCount); + if ((startRow + noRows) >= m_rowCount) + return false; + + int i, j; + for (i = startRow; i < (startRow+noRows); i++) { - wxRichTextCharacterStyleDefinition* def = GetStyleSheet()->FindCharacterStyle(characterStyle); - if (def) + wxRichTextObjectPtrArray& colArray = m_cells[startRow]; + for (j = 0; j < (int) colArray.GetCount(); j++) { - wxTextAttrEx attr = def->GetStyle(); - return BeginStyle(attr); + wxRichTextObject* cell = colArray[j]; + RemoveChild(cell, true); } + + // Keep deleting at the same position, since we move all + // the others up + m_cells.RemoveAt(startRow); } - return false; + + m_rowCount = m_rowCount - noRows; + + return true; } -/// Begin named paragraph style -bool wxRichTextBuffer::BeginParagraphStyle(const wxString& paragraphStyle) +bool wxRichTextTable::DeleteColumns(int startCol, int noCols) { - if (GetStyleSheet()) + wxASSERT((startCol + noCols) < m_colCount); + if ((startCol + noCols) >= m_colCount) + return false; + + bool deleteRows = (noCols == m_colCount); + + int i, j; + for (i = 0; i < m_rowCount; i++) { - wxRichTextParagraphStyleDefinition* def = GetStyleSheet()->FindParagraphStyle(paragraphStyle); - if (def) + wxRichTextObjectPtrArray& colArray = m_cells[deleteRows ? 0 : i]; + for (j = startCol; j < (startCol+noCols); j++) { - wxTextAttrEx attr = def->GetStyle(); - return BeginStyle(attr); + wxRichTextObject* cell = colArray[j]; + RemoveChild(cell, true); } + + if (deleteRows) + m_cells.RemoveAt(0); } - return false; + + if (deleteRows) + m_rowCount = 0; + m_colCount = m_colCount - noCols; + + return true; } -/// Begin named list style -bool wxRichTextBuffer::BeginListStyle(const wxString& listStyle, int level, int number) +bool wxRichTextTable::AddRows(int startRow, int noRows, const wxRichTextAttr& attr) { - if (GetStyleSheet()) + wxASSERT(startRow <= m_rowCount); + if (startRow > m_rowCount) + return false; + + int i, j; + for (i = 0; i < noRows; i++) { - wxRichTextListStyleDefinition* def = GetStyleSheet()->FindListStyle(listStyle); - if (def) + int idx; + if (startRow == m_rowCount) { - wxTextAttrEx attr(def->GetCombinedStyleForLevel(level)); + m_cells.Add(wxRichTextObjectPtrArray()); + idx = m_cells.GetCount() - 1; + } + else + { + m_cells.Insert(wxRichTextObjectPtrArray(), startRow+i); + idx = startRow+i; + } - attr.SetBulletNumber(number); + wxRichTextObjectPtrArray& colArray = m_cells[idx]; + for (j = 0; j < m_colCount; j++) + { + wxRichTextCell* cell = new wxRichTextCell; + cell->GetAttributes() = attr; - return BeginStyle(attr); + AppendChild(cell); + colArray.Add(cell); } } - return false; + + m_rowCount = m_rowCount + noRows; + return true; } -/// Begin URL -bool wxRichTextBuffer::BeginURL(const wxString& url, const wxString& characterStyle) +bool wxRichTextTable::AddColumns(int startCol, int noCols, const wxRichTextAttr& attr) { - wxTextAttrEx attr; + wxASSERT(startCol <= m_colCount); + if (startCol > m_colCount) + return false; - if (!characterStyle.IsEmpty() && GetStyleSheet()) + int i, j; + for (i = 0; i < m_rowCount; i++) { - wxRichTextCharacterStyleDefinition* def = GetStyleSheet()->FindCharacterStyle(characterStyle); - if (def) + wxRichTextObjectPtrArray& colArray = m_cells[i]; + for (j = 0; j < noCols; j++) { - attr = def->GetStyle(); + wxRichTextCell* cell = new wxRichTextCell; + cell->GetAttributes() = attr; + + AppendChild(cell); + + if (startCol == m_colCount) + colArray.Add(cell); + else + colArray.Insert(cell, startCol+j); } } - attr.SetURL(url); - return BeginStyle(attr); -} + m_colCount = m_colCount + noCols; -/// Adds a handler to the end -void wxRichTextBuffer::AddHandler(wxRichTextFileHandler *handler) -{ - sm_handlers.Append(handler); + return true; } -/// Inserts a handler at the front -void wxRichTextBuffer::InsertHandler(wxRichTextFileHandler *handler) +// Edit properties via a GUI +bool wxRichTextTable::EditProperties(wxWindow* parent, wxRichTextBuffer* buffer) { - sm_handlers.Insert( handler ); -} + wxRichTextObjectPropertiesDialog boxDlg(this, wxGetTopLevelParent(parent), wxID_ANY, _("Table Properties")); + boxDlg.SetAttributes(GetAttributes()); -/// Removes a handler -bool wxRichTextBuffer::RemoveHandler(const wxString& name) -{ - wxRichTextFileHandler *handler = FindHandler(name); - if (handler) + if (boxDlg.ShowModal() == wxID_OK) { - sm_handlers.DeleteObject(handler); - delete handler; + boxDlg.ApplyStyle(buffer->GetRichTextCtrl(), wxRICHTEXT_SETSTYLE_WITH_UNDO|wxRICHTEXT_SETSTYLE_RESET); return true; } else return false; } -/// Finds a handler by filename or, if supplied, type -wxRichTextFileHandler *wxRichTextBuffer::FindHandlerFilenameOrType(const wxString& filename, int imageType) +/* + * Module to initialise and clean up handlers + */ + +class wxRichTextModule: public wxModule { - if (imageType != wxRICHTEXT_TYPE_ANY) - return FindHandler(imageType); - else if (!filename.IsEmpty()) +DECLARE_DYNAMIC_CLASS(wxRichTextModule) +public: + wxRichTextModule() {} + bool OnInit() { - wxString path, file, ext; - wxSplitPath(filename, & path, & file, & ext); - return FindHandler(ext, imageType); + 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; } - else - return NULL; + 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; + module->Init(); + wxModule::RegisterModule(module); } -/// Finds a handler by name -wxRichTextFileHandler* wxRichTextBuffer::FindHandler(const wxString& name) +/*! + * Commands for undo/redo + * + */ + +wxRichTextCommand::wxRichTextCommand(const wxString& name, wxRichTextCommandId id, wxRichTextBuffer* buffer, + wxRichTextParagraphLayoutBox* container, wxRichTextCtrl* ctrl, bool ignoreFirstTime): wxCommand(true, name) { - wxList::compatibility_iterator node = sm_handlers.GetFirst(); - while (node) - { - wxRichTextFileHandler *handler = (wxRichTextFileHandler*)node->GetData(); - if (handler->GetName().Lower() == name.Lower()) return handler; + /* wxRichTextAction* action = */ new wxRichTextAction(this, name, id, buffer, container, ctrl, ignoreFirstTime); +} - node = node->GetNext(); +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 NULL; + + return true; } -/// Finds a handler by extension and type -wxRichTextFileHandler* wxRichTextBuffer::FindHandler(const wxString& extension, int type) +bool wxRichTextCommand::Undo() { - wxList::compatibility_iterator node = sm_handlers.GetFirst(); - while (node) + for (wxList::compatibility_iterator node = m_actions.GetLast(); node; node = node->GetPrevious()) { - wxRichTextFileHandler *handler = (wxRichTextFileHandler*)node->GetData(); - if ( handler->GetExtension().Lower() == extension.Lower() && - (type == wxRICHTEXT_TYPE_ANY || handler->GetType() == type) ) - return handler; - node = node->GetNext(); + wxRichTextAction* action = (wxRichTextAction*) node->GetData(); + action->Undo(); } - return 0; + + 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); } -/// Finds a handler by type -wxRichTextFileHandler* wxRichTextBuffer::FindHandler(int type) +wxRichTextAction::~wxRichTextAction() { - 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; + if (m_object) + delete m_object; } -void wxRichTextBuffer::InitStandardHandlers() +// Returns the container that this action refers to, using the container address and top-level buffer. +wxRichTextParagraphLayoutBox* wxRichTextAction::GetContainer() const { - if (!FindHandler(wxRICHTEXT_TYPE_TEXT)) - AddHandler(new wxRichTextPlainTextHandler); + wxRichTextParagraphLayoutBox* container = wxDynamicCast(GetContainerAddress().GetObject(m_buffer), wxRichTextParagraphLayoutBox); + return container; } -void wxRichTextBuffer::CleanUpHandlers() + +void wxRichTextAction::CalculateRefreshOptimizations(wxArrayInt& optimizationLineCharPositions, wxArrayInt& optimizationLineYPositions) { - wxList::compatibility_iterator node = sm_handlers.GetFirst(); - while (node) + // 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 { - wxRichTextFileHandler* handler = (wxRichTextFileHandler*)node->GetData(); - wxList::compatibility_iterator next = node->GetNext(); - delete handler; - node = next; - } + wxSize clientSize = m_ctrl->GetUnscaledSize(m_ctrl->GetClientSize()); + wxPoint firstVisiblePt = m_ctrl->GetUnscaledPoint(m_ctrl->GetFirstVisiblePoint()); + int lastY = firstVisiblePt.y + clientSize.y; - sm_handlers.Clear(); + 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 } -wxString wxRichTextBuffer::GetExtWildcard(bool combine, bool save, wxArrayInt* types) +bool wxRichTextAction::Do() { - if (types) - types->Clear(); + m_buffer->Modify(true); - wxString wildcard; + wxRichTextParagraphLayoutBox* container = GetContainer(); + wxASSERT(container != NULL); + if (!container) + return false; - wxList::compatibility_iterator node = GetHandlers().GetFirst(); - int count = 0; - while (node) + switch (m_cmdId) { - wxRichTextFileHandler* handler = (wxRichTextFileHandler*) node->GetData(); - if (handler->IsVisible() && ((save && handler->CanSave()) || !save && handler->CanLoad())) + case wxRICHTEXT_INSERT: { - if (combine) - { - if (count > 0) - wildcard += wxT(";"); - wildcard += wxT("*.") + handler->GetExtension(); - } + // 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_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()); + 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_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()); + cmdEvent.SetContainer(container); + + m_buffer->SendEvent(cmdEvent); + + break; + } + case wxRICHTEXT_CHANGE_STYLE: + case wxRICHTEXT_CHANGE_PROPERTIES: + { + ApplyParagraphs(GetNewParagraphs()); + + // 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_COMMAND_RICHTEXT_STYLE_CHANGED : wxEVT_COMMAND_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) { - 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()); + wxRichTextAttr oldAttr = obj->GetAttributes(); + obj->GetAttributes() = m_attributes; + m_attributes = oldAttr; } - count ++; + + // 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( + 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()); + cmdEvent.SetContainer(container); + + m_buffer->SendEvent(cmdEvent); + + break; } + case wxRICHTEXT_CHANGE_OBJECT: + { + wxRichTextObject* obj = m_objectAddress.GetObject(m_buffer); + // wxRichTextObject* obj = container->GetChildAtPosition(GetRange().GetStart()); + if (obj && m_object) + { + wxRichTextObjectList::compatibility_iterator node = container->GetChildren().Find(obj); + if (node) + { + wxRichTextObject* obj = node->GetData(); + node->SetData(m_object); + m_object = obj; + } + } - node = node->GetNext(); - } + // 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()); - if (combine) - wildcard = wxT("(") + wildcard + wxT(")|") + wildcard; - return wildcard; -} + UpdateAppearance(GetPosition()); -/// Load a file -bool wxRichTextBuffer::LoadFile(const wxString& filename, int type) -{ - wxRichTextFileHandler* handler = FindHandlerFilenameOrType(filename, type); - if (handler) - { - SetDefaultStyle(wxTextAttrEx()); - handler->SetFlags(GetHandlerFlags()); - bool success = handler->LoadFile(this, filename); - Invalidate(wxRICHTEXT_ALL); - return success; - } - else - return false; -} + // TODO: send new kind of modification event -/// 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); + break; + } + default: + break; } - else - return false; + + return true; } -/// Load from a stream -bool wxRichTextBuffer::LoadFile(wxInputStream& stream, int type) +bool wxRichTextAction::Undo() { - wxRichTextFileHandler* handler = FindHandler(type); - if (handler) - { - SetDefaultStyle(wxTextAttrEx()); - handler->SetFlags(GetHandlerFlags()); - bool success = handler->LoadFile(this, stream); - Invalidate(wxRICHTEXT_ALL); - return success; - } - else + m_buffer->Modify(true); + + wxRichTextParagraphLayoutBox* container = GetContainer(); + wxASSERT(container != NULL); + if (!container) return false; -} -/// Save to a stream -bool wxRichTextBuffer::SaveFile(wxOutputStream& stream, int type) -{ - wxRichTextFileHandler* handler = FindHandler(type); - if (handler) + switch (m_cmdId) { - handler->SetFlags(GetHandlerFlags()); - return handler->SaveFile(this, stream); - } - else - return false; -} + case wxRICHTEXT_INSERT: + { + wxArrayInt optimizationLineCharPositions; + wxArrayInt optimizationLineYPositions; -/// Copy the range to the clipboard -bool wxRichTextBuffer::CopyToClipboard(const wxRichTextRange& range) -{ - bool success = false; -#if wxUSE_CLIPBOARD && wxUSE_DATAOBJ +#if wxRICHTEXT_USE_OPTIMIZED_DRAWING + CalculateRefreshOptimizations(optimizationLineCharPositions, optimizationLineYPositions); +#endif - if (!wxTheClipboard->IsOpened() && wxTheClipboard->Open()) - { - wxTheClipboard->Clear(); + container->DeleteRange(GetRange()); + container->UpdateRanges(); - // Add composite object + // 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_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()); + cmdEvent.SetContainer(container); - wxDataObjectComposite* compositeObject = new wxDataObjectComposite(); + m_buffer->SendEvent(cmdEvent); + break; + } + case wxRICHTEXT_DELETE: { - wxString text = GetTextForRange(range); + wxArrayInt optimizationLineCharPositions; + wxArrayInt optimizationLineYPositions; -#ifdef __WXMSW__ - text = wxTextFile::Translate(text, wxTextFileType_Dos); +#if wxRICHTEXT_USE_OPTIMIZED_DRAWING + CalculateRefreshOptimizations(optimizationLineCharPositions, optimizationLineYPositions); #endif - compositeObject->Add(new wxTextDataObject(text), false /* not preferred */); - } + container->InsertFragment(GetRange().GetStart(), m_oldParagraphs); + container->UpdateRanges(); - // Add rich text buffer data object. This needs the XML handler to be present. + // 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()); - if (FindHandler(wxRICHTEXT_TYPE_XML)) - { - wxRichTextBuffer* richTextBuf = new wxRichTextBuffer; - CopyFragment(range, *richTextBuf); + UpdateAppearance(GetPosition(), true, /* send update event */ & optimizationLineCharPositions, & optimizationLineYPositions, false /* undo */); - compositeObject->Add(new wxRichTextBufferDataObject(richTextBuf), true /* preferred */); + 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()); + 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()); - if (wxTheClipboard->SetData(compositeObject)) - success = true; + UpdateAppearance(GetPosition()); - wxTheClipboard->Close(); + wxRichTextEvent cmdEvent( + m_cmdId == wxRICHTEXT_CHANGE_STYLE ? wxEVT_COMMAND_RICHTEXT_STYLE_CHANGED : wxEVT_COMMAND_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; } -#else - wxUnusedVar(range); -#endif - return success; + return true; } -/// Paste the clipboard content to the buffer -bool wxRichTextBuffer::PasteFromClipboard(long position) +/// Update the control appearance +void wxRichTextAction::UpdateAppearance(long caretPosition, bool sendUpdateEvent, wxArrayInt* optimizationLineCharPositions, wxArrayInt* optimizationLineYPositions, bool isDoCmd) { - bool success = false; -#if wxUSE_CLIPBOARD && wxUSE_DATAOBJ - if (CanPasteFromClipboard()) + wxRichTextParagraphLayoutBox* container = GetContainer(); + wxASSERT(container != NULL); + if (!container) + return; + + if (m_ctrl) { - if (wxTheClipboard->Open()) + m_ctrl->SetFocusObject(container); + m_ctrl->SetCaretPosition(caretPosition); + + if (!m_ctrl->IsFrozen()) { - if (wxTheClipboard->IsSupported(wxDataFormat(wxRichTextBufferDataObject::GetRichTextBufferFormatId()))) + 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 (container->GetFloatingObjectCount() > 0 || (container->GetParent() && containerRect != container->GetRect())) { - wxRichTextBufferDataObject data; - wxTheClipboard->GetData(data); - wxRichTextBuffer* richTextBuffer = data.GetRichTextBuffer(); - if (richTextBuffer) - { - InsertParagraphsWithUndo(position+1, *richTextBuffer, GetRichTextCtrl(), wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE); - delete richTextBuffer; - } + m_ctrl->Refresh(false); } - else if (wxTheClipboard->IsSupported(wxDF_TEXT) || wxTheClipboard->IsSupported(wxDF_UNICODETEXT)) + 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) { - wxTextDataObject data; - wxTheClipboard->GetData(data); - wxString text(data.GetText()); - text.Replace(_T("\r\n"), _T("\n")); + size_t i; - InsertTextWithUndo(position+1, text, GetRichTextCtrl()); + wxSize clientSize = m_ctrl->GetUnscaledSize(m_ctrl->GetClientSize()); + wxPoint firstVisiblePt = m_ctrl->GetUnscaledPoint(m_ctrl->GetFirstVisiblePoint()); - success = true; - } - else if (wxTheClipboard->IsSupported(wxDF_BITMAP)) - { - wxBitmapDataObject data; - wxTheClipboard->GetData(data); - wxBitmap bitmap(data.GetBitmap()); - wxImage image(bitmap.ConvertToImage()); + // Start/end positions + int firstY = 0; + int lastY = firstVisiblePt.y + clientSize.y; - wxRichTextAction* action = new wxRichTextAction(NULL, _("Insert Image"), wxRICHTEXT_INSERT, this, GetRichTextCtrl(), false); + bool foundEnd = false; - action->GetNewParagraphs().AddImage(image); + // position offset - how many characters were inserted + int positionOffset = GetRange().GetLength(); - if (action->GetNewParagraphs().GetChildCount() == 1) - action->GetNewParagraphs().SetPartialParagraph(true); + // Determine whether this is Do or Undo, and adjust positionOffset accordingly + if ((m_cmdId == wxRICHTEXT_DELETE && isDoCmd) || (m_cmdId == wxRICHTEXT_INSERT && !isDoCmd)) + positionOffset = - positionOffset; - action->SetPosition(position); + // 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. - // Set the range we'll need to delete in Undo - action->SetRange(wxRichTextRange(position, position)); + wxRichTextParagraph* para = container->GetParagraphAtPosition(GetPosition()); + // Since we support floating layout, we should redraw the whole para instead of just + // the first line touching the invalid range. + if (para) + { + firstY = para->GetPosition().y; + } - SubmitAction(action); + 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(); - success = true; + // 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; + + 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); } - wxTheClipboard->Close(); + 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); } } -#else - wxUnusedVar(position); -#endif - return success; } -/// Can we paste from the clipboard? -bool wxRichTextBuffer::CanPasteFromClipboard() const +/// Replace the buffer paragraphs with the new ones. +void wxRichTextAction::ApplyParagraphs(const wxRichTextParagraphLayoutBox& fragment) { - bool canPaste = false; -#if wxUSE_CLIPBOARD && wxUSE_DATAOBJ - if (!wxTheClipboard->IsOpened() && wxTheClipboard->Open()) + wxRichTextParagraphLayoutBox* container = GetContainer(); + wxASSERT(container != NULL); + if (!container) + return; + + wxRichTextObjectList::compatibility_iterator node = fragment.GetChildren().GetFirst(); + while (node) { - if (wxTheClipboard->IsSupported(wxDF_TEXT) || wxTheClipboard->IsSupported(wxDF_UNICODETEXT) || - wxTheClipboard->IsSupported(wxDataFormat(wxRichTextBufferDataObject::GetRichTextBufferFormatId())) || - wxTheClipboard->IsSupported(wxDF_BITMAP)) + 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) { - canPaste = true; + wxRichTextObjectList::compatibility_iterator bufferParaNode = container->GetChildren().Find(existingPara); + if (bufferParaNode) + { + wxRichTextParagraph* newPara = new wxRichTextParagraph(*para); + newPara->SetParent(container); + + bufferParaNode->SetData(newPara); + + delete existingPara; + } } - wxTheClipboard->Close(); + + node = node->GetNext(); } -#endif - return canPaste; } -/// Dumps contents of buffer for debugging purposes -void wxRichTextBuffer::Dump() + +/*! + * 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) { - wxString text; - { - wxStringOutputStream stream(& text); - wxTextOutputStream textStream(stream); - Dump(textStream); - } + 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); +} - wxLogDebug(text); +wxRichTextImage::wxRichTextImage(const wxRichTextImageBlock& imageBlock, wxRichTextObject* parent, wxRichTextAttr* charStyle): + wxRichTextObject(parent) +{ + Init(); + m_imageBlock = imageBlock; + if (charStyle) + SetAttributes(*charStyle); } -/// Add an event handler -bool wxRichTextBuffer::AddEventHandler(wxEvtHandler* handler) +void wxRichTextImage::Init() { - m_eventHandlers.Append(handler); - return true; + m_originalImageSize = wxSize(-1, -1); } -/// Remove an event handler -bool wxRichTextBuffer::RemoveEventHandler(wxEvtHandler* handler, bool deleteHandler) +/// Create a cached image at the required size +bool wxRichTextImage::LoadImageCache(wxDC& dc, bool resetCache) { - wxList::compatibility_iterator node = m_eventHandlers.Find(handler); - if (node) + 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 == wxSize(-1, -1)) { - m_eventHandlers.Erase(node); - if (deleteHandler) - delete handler; - - return true; + m_imageCache = wxNullBitmap; + + m_imageBlock.Load(image); + if (!image.IsOk()) + return false; + + m_originalImageSize = wxSize(image.GetWidth(), image.GetHeight()); } - else - return false; -} -/// Clear event handlers -void wxRichTextBuffer::ClearEventHandlers() -{ - m_eventHandlers.Clear(); -} + int width = m_originalImageSize.GetWidth(); + int height = m_originalImageSize.GetHeight(); -/// 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()) + int parentWidth = 0; + int parentHeight = 0; + + int maxWidth = -1; + int maxHeight = -1; + + wxRichTextBuffer* buffer = GetBuffer(); + if (buffer) { - wxEvtHandler* handler = (wxEvtHandler*) node->GetData(); - if (handler->ProcessEvent(event)) + wxSize sz; + if (buffer->GetRichTextCtrl()) { - success = true; - if (!sendToAll) - return true; + // Subtract borders + sz = buffer->GetRichTextCtrl()->GetClientSize(); + + wxRect marginRect, borderRect, contentRect, paddingRect, outlineRect; + marginRect = wxRect(0, 0, sz.x, sz.y); + buffer->GetBoxRects(dc, buffer, buffer->GetAttributes(), marginRect, borderRect, contentRect, paddingRect, outlineRect); + + sz = contentRect.GetSize(); + + // 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 = sz.x; } + else + sz = buffer->GetCachedSize(); + parentWidth = sz.GetWidth(); + parentHeight = sz.GetHeight(); } - 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()) + if (GetAttributes().GetTextBoxAttr().GetWidth().IsValid() && GetAttributes().GetTextBoxAttr().GetWidth().GetValue() > 0) { - if (sheet != oldSheet) - delete sheet; - - return false; + 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(); } - if (oldSheet && oldSheet != sheet) - delete oldSheet; + // Limit to max width - SetStyleSheet(sheet); + if (GetAttributes().GetTextBoxAttr().GetMaxSize().GetWidth().IsValid() && GetAttributes().GetTextBoxAttr().GetMaxSize().GetWidth().GetValue() > 0) + { + int mw = -1; - event.SetEventType(wxEVT_COMMAND_RICHTEXT_STYLESHEET_REPLACED); - event.SetOldStyleSheet(NULL); - event.Allow(); + 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(); - return SendEvent(event); -} + // 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; + } -/// Set renderer, deleting old one -void wxRichTextBuffer::SetRenderer(wxRichTextRenderer* renderer) -{ - if (sm_renderer) - delete sm_renderer; - sm_renderer = renderer; -} + if (maxWidth > 0 && width > maxWidth) + width = maxWidth; -bool wxRichTextStdRenderer::DrawStandardBullet(wxRichTextParagraph* paragraph, wxDC& dc, const wxTextAttrEx& bulletAttr, const wxRect& rect) -{ - if (bulletAttr.GetTextColour().Ok()) + // 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) { - dc.SetPen(wxPen(bulletAttr.GetTextColour())); - dc.SetBrush(wxBrush(bulletAttr.GetTextColour())); + 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()))); } - else + + // Limit to max height + + if (GetAttributes().GetTextBoxAttr().GetMaxSize().GetHeight().IsValid() && GetAttributes().GetTextBoxAttr().GetMaxSize().GetHeight().GetValue() > 0) { - dc.SetPen(*wxBLACK_PEN); - dc.SetBrush(*wxBLACK_BRUSH); + 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(); } - wxFont font; - if (bulletAttr.GetFont().Ok()) - font = bulletAttr.GetFont(); - else - font = (*wxNORMAL_FONT); - - dc.SetFont(font); + if (maxHeight > 0 && height > maxHeight) + { + height = maxHeight; - int charHeight = dc.GetCharHeight(); - - int bulletWidth = (int) (((float) charHeight) * wxRichTextBuffer::GetBulletProportion()); - int bulletHeight = bulletWidth; + // Preserve the aspect ratio + if (height != m_originalImageSize.GetHeight()) + width = (int) (float(m_originalImageSize.GetWidth()) * (float(height)/float(m_originalImageSize.GetHeight()))); + } - 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")) + if (m_imageCache.IsOk() && m_imageCache.GetWidth() == width && m_imageCache.GetHeight() == height) { - dc.DrawRectangle(x, y, bulletWidth, bulletHeight); + // Do nothing, we didn't need to change the image cache } - else if (bulletAttr.GetBulletName() == wxT("standard/diamond")) + else { - 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); + 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); + } } - else if (bulletAttr.GetBulletName() == wxT("standard/triangle")) + + 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)) { - 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); + wxCheckSetBrush(dc, *wxBLACK_BRUSH); + wxCheckSetPen(dc, *wxBLACK_PEN); + dc.SetLogicalFunction(wxINVERT); + dc.DrawRectangle(contentRect); + dc.SetLogicalFunction(wxCOPY); } - else // "standard/circle", and catch-all - { - dc.DrawEllipse(x, y, bulletWidth, bulletHeight); - } - + return true; } -bool wxRichTextStdRenderer::DrawTextBullet(wxRichTextParagraph* paragraph, wxDC& dc, const wxTextAttrEx& attr, const wxRect& rect, const wxString& text) +/// Lay the item out +bool wxRichTextImage::Layout(wxDC& dc, wxRichTextDrawingContext& context, const wxRect& rect, const wxRect& WXUNUSED(parentRect), int WXUNUSED(style)) { - if (!text.empty()) - { - wxFont font; - if ((attr.GetBulletStyle() & wxTEXT_ATTR_BULLET_STYLE_SYMBOL) && !attr.GetBulletFont().IsEmpty() && attr.GetFont().Ok()) - { - font = (*wxTheFontList->FindOrCreateFont(attr.GetFont().GetPointSize(), attr.GetFont().GetFamily(), - attr.GetFont().GetStyle(), attr.GetFont().GetWeight(), attr.GetFont().GetUnderlined(), - attr.GetBulletFont())); - } - else if (attr.GetFont().Ok()) - font = attr.GetFont(); - else - font = (*wxNORMAL_FONT); + if (!LoadImageCache(dc)) + return false; - dc.SetFont(font); + wxSize imageSize(m_imageCache.GetWidth(), m_imageCache.GetHeight()); + wxRect marginRect, borderRect, contentRect, paddingRect, outlineRect; + contentRect = wxRect(wxPoint(0,0), imageSize); - if (attr.GetTextColour().Ok()) - dc.SetTextForeground(attr.GetTextColour()); + wxRichTextAttr attr(GetAttributes()); + context.ApplyVirtualAttributes(attr, this); - dc.SetBackgroundMode(wxTRANSPARENT); + GetBoxRects(dc, GetBuffer(), attr, marginRect, borderRect, contentRect, paddingRect, outlineRect); - int charHeight = dc.GetCharHeight(); - wxCoord tw, th; - dc.GetTextExtent(text, & tw, & th); + wxSize overallSize = marginRect.GetSize(); - int x = rect.x; + SetCachedSize(overallSize); + SetMaxSize(overallSize); + SetMinSize(overallSize); + SetPosition(rect.GetPosition()); - // Calculate the top position of the character (as opposed to the whole line height) - int y = rect.y + (rect.height - charHeight); + return true; +} - // 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; +/// 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), wxPoint WXUNUSED(position), wxArrayInt* partialExtents) const +{ + if (!range.IsWithin(GetRange())) + return false; - dc.DrawText(text, x, y); - - return true; - } - else + if (!((wxRichTextImage*)this)->LoadImageCache(dc)) + { + 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; } -bool wxRichTextStdRenderer::DrawBitmapBullet(wxRichTextParagraph* WXUNUSED(paragraph), wxDC& WXUNUSED(dc), const wxTextAttrEx& WXUNUSED(attr), const wxRect& WXUNUSED(rect)) +// Get the 'natural' size for an object. For an image, it would be the +// image size. +wxTextAttrSize wxRichTextImage::GetNaturalSize() const { - // 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; + wxTextAttrSize size; + if (GetImageCache().IsOk()) + { + size.SetWidth(GetImageCache().GetWidth(), wxTEXT_ATTR_UNITS_PIXELS); + size.SetHeight(GetImageCache().GetHeight(), wxTEXT_ATTR_UNITS_PIXELS); + } + return size; } -/// Enumerate the standard bullet names currently supported -bool wxRichTextStdRenderer::EnumerateStandardBulletNames(wxArrayString& bulletNames) + +/// Copy +void wxRichTextImage::Copy(const wxRichTextImage& obj) { - bulletNames.Add(wxT("standard/circle")); - bulletNames.Add(wxT("standard/square")); - bulletNames.Add(wxT("standard/diamond")); - bulletNames.Add(wxT("standard/triangle")); + wxRichTextObject::Copy(obj); - return true; + m_imageBlock = obj.m_imageBlock; + m_originalImageSize = obj.m_originalImageSize; } -/* - * Module to initialise and clean up handlers - */ - -class wxRichTextModule: public wxModule +/// Edit properties via a GUI +bool wxRichTextImage::EditProperties(wxWindow* parent, wxRichTextBuffer* buffer) { -DECLARE_DYNAMIC_CLASS(wxRichTextModule) -public: - wxRichTextModule() {} - bool OnInit() + wxRichTextObjectPropertiesDialog imageDlg(this, wxGetTopLevelParent(parent), wxID_ANY, _("Picture Properties")); + imageDlg.SetAttributes(GetAttributes()); + + if (imageDlg.ShowModal() == wxID_OK) { - wxRichTextBuffer::SetRenderer(new wxRichTextStdRenderer); - wxRichTextBuffer::InitStandardHandlers(); - wxRichTextParagraph::InitDefaultTabs(); + // 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; - }; - void OnExit() - { - wxRichTextBuffer::CleanUpHandlers(); - wxRichTextDecimalToRoman(-1); - wxRichTextParagraph::ClearDefaultTabs(); - wxRichTextCtrl::ClearAvailableFontNames(); - wxRichTextBuffer::SetRenderer(NULL); - }; -}; - -IMPLEMENT_DYNAMIC_CLASS(wxRichTextModule, wxModule) + } + else + return false; +} +/*! + * Utilities + * + */ -// 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() +/// Compare two attribute objects +bool wxTextAttrEq(const wxRichTextAttr& attr1, const wxRichTextAttr& attr2) { - wxModule* module = new wxRichTextModule; - module->Init(); - wxModule::RegisterModule(module); + return (attr1 == attr2); } +/// Compare tabs +bool wxRichTextTabsEq(const wxArrayInt& tabs1, const wxArrayInt& tabs2) +{ + if (tabs1.GetCount() != tabs2.GetCount()) + return false; -/*! - * Commands for undo/redo - * - */ + size_t i; + for (i = 0; i < tabs1.GetCount(); i++) + { + if (tabs1[i] != tabs2[i]) + return false; + } + return true; +} -wxRichTextCommand::wxRichTextCommand(const wxString& name, wxRichTextCommandId id, wxRichTextBuffer* buffer, - wxRichTextCtrl* ctrl, bool ignoreFirstTime): wxCommand(true, name) +bool wxRichTextApplyStyle(wxRichTextAttr& destStyle, const wxRichTextAttr& style, wxRichTextAttr* compareWith) { - /* wxRichTextAction* action = */ new wxRichTextAction(this, name, id, buffer, ctrl, ignoreFirstTime); + return destStyle.Apply(style, compareWith); } -wxRichTextCommand::wxRichTextCommand(const wxString& name): wxCommand(true, name) +// Remove attributes +bool wxRichTextRemoveStyle(wxRichTextAttr& destStyle, const wxRichTextAttr& style) { + return destStyle.RemoveStyle(style); } -wxRichTextCommand::~wxRichTextCommand() +/// Combine two bitlists, specifying the bits of interest with separate flags. +bool wxRichTextCombineBitlists(int& valueA, int valueB, int& flagsA, int flagsB) { - ClearActions(); + return wxRichTextAttr::CombineBitlists(valueA, valueB, flagsA, flagsB); } -void wxRichTextCommand::AddAction(wxRichTextAction* action) +/// Compare two bitlists +bool wxRichTextBitlistsEqPartial(int valueA, int valueB, int flags) { - if (!m_actions.Member(action)) - m_actions.Append(action); + return wxRichTextAttr::BitlistsEqPartial(valueA, valueB, flags); } -bool wxRichTextCommand::Do() +/// Split into paragraph and character styles +bool wxRichTextSplitParaCharStyles(const wxRichTextAttr& style, wxRichTextAttr& parStyle, wxRichTextAttr& charStyle) { - for (wxList::compatibility_iterator node = m_actions.GetFirst(); node; node = node->GetNext()) - { - wxRichTextAction* action = (wxRichTextAction*) node->GetData(); - action->Do(); - } - - return true; + return wxRichTextAttr::SplitParaCharStyles(style, parStyle, charStyle); } -bool wxRichTextCommand::Undo() +/// Convert a decimal to Roman numerals +wxString wxRichTextDecimalToRoman(long n) { - for (wxList::compatibility_iterator node = m_actions.GetLast(); node; node = node->GetPrevious()) + static wxArrayInt decimalNumbers; + static wxArrayString romanNumbers; + + // Clean up arrays + if (n == -1) { - wxRichTextAction* action = (wxRichTextAction*) node->GetData(); - action->Undo(); + decimalNumbers.Clear(); + romanNumbers.Clear(); + return wxEmptyString; } - return true; -} + if (decimalNumbers.GetCount() == 0) + { + #define wxRichTextAddDecRom(n, r) decimalNumbers.Add(n); romanNumbers.Add(r); -void wxRichTextCommand::ClearActions() -{ - WX_CLEAR_LIST(wxList, m_actions); + 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; } /*! - * Individual action - * + * wxRichTextFileHandler + * Base class for file handlers */ -wxRichTextAction::wxRichTextAction(wxRichTextCommand* cmd, const wxString& name, wxRichTextCommandId id, wxRichTextBuffer* buffer, - wxRichTextCtrl* ctrl, bool ignoreFirstTime) +IMPLEMENT_CLASS(wxRichTextFileHandler, wxObject) + +#if wxUSE_FFILE && wxUSE_STREAMS +bool wxRichTextFileHandler::LoadFile(wxRichTextBuffer *buffer, const wxString& filename) { - 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); + wxFFileInputStream stream(filename); + if (stream.IsOk()) + return LoadFile(buffer, stream); + + return false; } -wxRichTextAction::~wxRichTextAction() +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 -bool wxRichTextAction::Do() +/// Can we handle this filename (if using files)? By default, checks the extension. +bool wxRichTextFileHandler::CanHandle(const wxString& filename) const { - m_buffer->Modify(true); - - 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; + wxString path, file, ext; + wxFileName::SplitPath(filename, & path, & file, & ext); -#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; - - 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(); - - 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); - } + return (ext.Lower() == GetExtension()); +} - if (node2) - node2 = node2->GetNext(); - } - - if (node) - node = node->GetNext(); - } - } -#endif +/*! + * wxRichTextTextHandler + * Plain text handler + */ - m_buffer->InsertFragment(GetPosition(), m_newParagraphs); - m_buffer->UpdateRanges(); - m_buffer->Invalidate(GetRange()); +IMPLEMENT_CLASS(wxRichTextPlainTextHandler, wxRichTextFileHandler) - long newCaretPosition = GetPosition() + m_newParagraphs.GetRange().GetLength(); +#if wxUSE_STREAMS +bool wxRichTextPlainTextHandler::DoLoadFile(wxRichTextBuffer *buffer, wxInputStream& stream) +{ + if (!stream.IsOk()) + return false; - // Character position to caret position - newCaretPosition --; + wxString str; + int lastCh = 0; - // Don't take into account the last newline - if (m_newParagraphs.GetPartialParagraph()) - newCaretPosition --; + while (!stream.Eof()) + { + int ch = stream.GetC(); - newCaretPosition = wxMin(newCaretPosition, (m_buffer->GetRange().GetEnd()-1)); + if (!stream.Eof()) + { + if (ch == 10 && lastCh != 13) + str += wxT('\n'); - if (optimizationLineCharPositions.GetCount() > 0) - UpdateAppearance(newCaretPosition, true /* send update event */, & optimizationLineCharPositions, & optimizationLineYPositions); - else - UpdateAppearance(newCaretPosition, 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); + if (ch > 0 && ch != 10) + str += wxChar(ch); - break; + lastCh = ch; } - case wxRICHTEXT_DELETE: - { - m_buffer->DeleteRange(GetRange()); - m_buffer->UpdateRanges(); - m_buffer->Invalidate(wxRichTextRange(GetRange().GetStart(), GetRange().GetStart())); + } - UpdateAppearance(GetRange().GetStart()-1, true /* send update event */); + buffer->ResetAndClearCommands(); + buffer->Clear(); + buffer->AddParagraphs(str); + buffer->UpdateRanges(); - 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); + return true; +} - break; - } - case wxRICHTEXT_CHANGE_STYLE: - { - ApplyParagraphs(GetNewParagraphs()); - m_buffer->Invalidate(GetRange()); +bool wxRichTextPlainTextHandler::DoSaveFile(wxRichTextBuffer *buffer, wxOutputStream& stream) +{ + if (!stream.IsOk()) + return false; - UpdateAppearance(GetPosition()); + wxString text = buffer->GetText(); - 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()); - - m_buffer->SendEvent(cmdEvent); + wxString newLine = wxRichTextLineBreakChar; + text.Replace(newLine, wxT("\n")); - break; - } - default: - break; - } + 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); +} - return true; +wxRichTextImageBlock::~wxRichTextImageBlock() +{ + wxDELETEA(m_data); } -bool wxRichTextAction::Undo() +void wxRichTextImageBlock::Init() { - m_buffer->Modify(true); + m_data = NULL; + m_dataSize = 0; + m_imageType = wxBITMAP_TYPE_INVALID; +} - switch (m_cmdId) - { - case wxRICHTEXT_INSERT: - { - m_buffer->DeleteRange(GetRange()); - m_buffer->UpdateRanges(); - m_buffer->Invalidate(wxRichTextRange(GetRange().GetStart(), GetRange().GetStart())); +void wxRichTextImageBlock::Clear() +{ + wxDELETEA(m_data); + m_dataSize = 0; + m_imageType = wxBITMAP_TYPE_INVALID; +} - 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); +// 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. - break; - } - case wxRICHTEXT_DELETE: - { - m_buffer->InsertFragment(GetRange().GetStart(), m_oldParagraphs); - m_buffer->UpdateRanges(); - m_buffer->Invalidate(GetRange()); +bool wxRichTextImageBlock::MakeImageBlock(const wxString& filename, wxBitmapType imageType, + wxImage& image, bool convertToJPEG) +{ + m_imageType = imageType; - UpdateAppearance(GetPosition(), true /* send update event */); + wxString filenameToRead(filename); + bool removeFile = false; - 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); + if (imageType == wxBITMAP_TYPE_INVALID) + return false; // Could not determine image type - break; - } - case wxRICHTEXT_CHANGE_STYLE: - { - ApplyParagraphs(GetOldParagraphs()); - m_buffer->Invalidate(GetRange()); + if ((imageType != wxBITMAP_TYPE_JPEG) && convertToJPEG) + { + wxString tempFile = + wxFileName::CreateTempFileName(_("image")); - UpdateAppearance(GetPosition()); + wxASSERT(!tempFile.IsEmpty()); - 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()); - - m_buffer->SendEvent(cmdEvent); + image.SaveFile(tempFile, wxBITMAP_TYPE_JPEG); + filenameToRead = tempFile; + removeFile = true; - break; - } - default: - break; + m_imageType = wxBITMAP_TYPE_JPEG; } + wxFile file; + if (!file.Open(filenameToRead)) + return false; - return true; -} + m_dataSize = (size_t) file.Length(); + file.Close(); -/// Update the control appearance -void wxRichTextAction::UpdateAppearance(long caretPosition, bool sendUpdateEvent, wxArrayInt* optimizationLineCharPositions, wxArrayInt* optimizationLineYPositions) -{ - if (m_ctrl) - { - m_ctrl->SetCaretPosition(caretPosition); - if (!m_ctrl->IsFrozen()) - { - 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(); + if (m_data) + delete[] m_data; + m_data = ReadBlock(filenameToRead, m_dataSize); - // 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. - - 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(); - - // 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; - } + if (removeFile) + wxRemoveFile(filenameToRead); - // 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; + return (m_data != NULL); +} - node2 = wxRichTextLineList::compatibility_iterator(); - node = wxRichTextObjectList::compatibility_iterator(); +// 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); - break; - } - } - } + if (imageType == wxBITMAP_TYPE_INVALID) + return false; // Could not determine image type - if (node2) - node2 = node2->GetNext(); - } - - if (node) - node = node->GetNext(); - } - - if (!foundStart) - firstY = firstVisiblePt.y; - if (!foundEnd) - lastY = firstVisiblePt.y + clientSize.y; + return DoMakeImageBlock(image, imageType); +} - wxRect rect(firstVisiblePt.x, firstY, firstVisiblePt.x + clientSize.x, lastY - firstY); - m_ctrl->RefreshRect(rect); - - // 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). - } - else -#endif - m_ctrl->Refresh(false); +// 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 - if (sendUpdateEvent) - m_ctrl->SendTextUpdatedEvent(); - } - } + return DoMakeImageBlock(image, imageType); } -/// Replace the buffer paragraphs with the new ones. -void wxRichTextAction::ApplyParagraphs(const wxRichTextParagraphLayoutBox& fragment) +// Makes the image block +bool wxRichTextImageBlock::DoMakeImageBlock(const wxImage& image, wxBitmapType imageType) { - wxRichTextObjectList::compatibility_iterator node = fragment.GetChildren().GetFirst(); - while (node) + wxMemoryOutputStream memStream; + if (!image.SaveFile(memStream, imageType)) { - 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) - { - wxRichTextObjectList::compatibility_iterator bufferParaNode = m_buffer->GetChildren().Find(existingPara); - if (bufferParaNode) - { - wxRichTextParagraph* newPara = new wxRichTextParagraph(*para); - newPara->SetParent(m_buffer); - - bufferParaNode->SetData(newPara); - - delete existingPara; - } - } - - node = node->GetNext(); + return false; } -} + unsigned char* block = new unsigned char[memStream.GetSize()]; + if (!block) + return false; -/*! - * wxRichTextRange - * This stores beginning and end positions for a range of data. - */ + if (m_data) + delete[] m_data; + m_data = block; -/// Limit this range to be within 'range' -bool wxRichTextRange::LimitTo(const wxRichTextRange& range) -{ - if (m_start < range.m_start) - m_start = range.m_start; + m_imageType = imageType; + m_dataSize = memStream.GetSize(); - if (m_end > range.m_end) - m_end = range.m_end; + memStream.CopyTo(m_data, m_dataSize); - return true; + return (m_data != NULL); } -/*! - * wxRichTextImage implementation - * This object represents an image. - */ - -IMPLEMENT_DYNAMIC_CLASS(wxRichTextImage, wxRichTextObject) - -wxRichTextImage::wxRichTextImage(const wxImage& image, wxRichTextObject* parent, wxTextAttrEx* charStyle): - wxRichTextObject(parent) +// Write to a file +bool wxRichTextImageBlock::Write(const wxString& filename) { - m_image = image; - if (charStyle) - SetAttributes(*charStyle); + return WriteBlock(filename, m_data, m_dataSize); } -wxRichTextImage::wxRichTextImage(const wxRichTextImageBlock& imageBlock, wxRichTextObject* parent, wxTextAttrEx* charStyle): - wxRichTextObject(parent) +void wxRichTextImageBlock::Copy(const wxRichTextImageBlock& block) { - m_imageBlock = imageBlock; - m_imageBlock.Load(m_image); - if (charStyle) - SetAttributes(*charStyle); + 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]; } -/// Load wxImage from the block -bool wxRichTextImage::LoadFromBlock() +//// Operators +void wxRichTextImageBlock::operator=(const wxRichTextImageBlock& block) { - m_imageBlock.Load(m_image); - return m_imageBlock.Ok(); + Copy(block); } -/// Make block from the wxImage -bool wxRichTextImage::MakeBlock() +// Load a wxImage from the block +bool wxRichTextImageBlock::Load(wxImage& image) { - if (m_imageBlock.GetImageType() == wxBITMAP_TYPE_ANY || m_imageBlock.GetImageType() == -1) - m_imageBlock.SetImageType(wxBITMAP_TYPE_PNG); + if (!m_data) + return false; - m_imageBlock.MakeImageBlock(m_image, m_imageBlock.GetImageType()); - return m_imageBlock.Ok(); -} + // 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 -/// 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(); + return success; +} - if (!m_image.Ok()) - return false; +// Write data in hex to a stream +bool wxRichTextImageBlock::WriteHex(wxOutputStream& stream) +{ + if (m_dataSize == 0) + return true; - if (m_image.Ok() && !m_bitmap.Ok()) - m_bitmap = wxBitmap(m_image); + int bufSize = 100000; + if (int(2*m_dataSize) < bufSize) + bufSize = 2*m_dataSize; + char* buf = new char[bufSize+1]; - int y = rect.y + (rect.height - m_image.GetHeight()); + 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; + } - if (m_bitmap.Ok()) - dc.DrawBitmap(m_bitmap, rect.x, y, true); + char* b = buf; + for (i = 0; i < (n/2); i++) + { + wxDecToHex(m_data[j], b, b+1); + b += 2; j ++; + } - if (selectionRange.Contains(range.GetStart())) - { - dc.SetBrush(*wxBLACK_BRUSH); - dc.SetPen(*wxBLACK_PEN); - dc.SetLogicalFunction(wxINVERT); - dc.DrawRectangle(rect); - dc.SetLogicalFunction(wxCOPY); + buf[n] = 0; + stream.Write((const char*) buf, n); } - + delete[] buf; return true; } -/// Lay the item out -bool wxRichTextImage::Layout(wxDC& WXUNUSED(dc), const wxRect& rect, int WXUNUSED(style)) +// Read data in hex from a stream +bool wxRichTextImageBlock::ReadHex(wxInputStream& stream, int length, wxBitmapType imageType) { - if (!m_image.Ok()) - LoadFromBlock(); + int dataSize = length/2; + + if (m_data) + delete[] m_data; - if (m_image.Ok()) + // 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 ++) { - SetCachedSize(wxSize(m_image.GetWidth(), m_image.GetHeight())); - SetPosition(rect.GetPosition()); + 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; } -/// 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 +// Allocate and read from stream as a block of memory +unsigned char* wxRichTextImageBlock::ReadBlock(wxInputStream& stream, size_t size) { - if (!range.IsWithin(GetRange())) - return false; - - if (!m_image.Ok()) - return false; + unsigned char* block = new unsigned char[size]; + if (!block) + return NULL; - size.x = m_image.GetWidth(); - size.y = m_image.GetHeight(); + stream.Read(block, size); - return true; + return block; } -/// Copy -void wxRichTextImage::Copy(const wxRichTextImage& obj) +unsigned char* wxRichTextImageBlock::ReadBlock(const wxString& filename, size_t size) { - wxRichTextObject::Copy(obj); + wxFileInputStream stream(filename); + if (!stream.IsOk()) + return NULL; - m_image = obj.m_image; - m_imageBlock = obj.m_imageBlock; + return ReadBlock(stream, size); } -/*! - * Utilities - * - */ - -/// Compare two attribute objects -bool wxTextAttrEq(const wxTextAttrEx& attr1, const wxTextAttrEx& attr2) +// Write memory block to stream +bool wxRichTextImageBlock::WriteBlock(wxOutputStream& stream, unsigned char* block, size_t size) { - return (attr1 == attr2); + stream.Write((void*) block, size); + return stream.IsOk(); + } -bool wxTextAttrEq(const wxTextAttrEx& attr1, const wxRichTextAttr& attr2) +// Write memory block to file +bool wxRichTextImageBlock::WriteBlock(const wxString& filename, unsigned char* block, size_t size) { - return ( - attr1.GetTextColour() == attr2.GetTextColour() && - attr1.GetBackgroundColour() == attr2.GetBackgroundColour() && - attr1.GetFont().GetPointSize() == attr2.GetFontSize() && - attr1.GetFont().GetStyle() == attr2.GetFontStyle() && - attr1.GetFont().GetWeight() == attr2.GetFontWeight() && - attr1.GetFont().GetFaceName() == attr2.GetFontFaceName() && - attr1.GetFont().GetUnderlined() == attr2.GetFontUnderlined() && - attr1.GetTextEffects() == attr2.GetTextEffects() && - attr1.GetTextEffectFlags() == attr2.GetTextEffectFlags() && - attr1.GetAlignment() == attr2.GetAlignment() && - attr1.GetLeftIndent() == attr2.GetLeftIndent() && - attr1.GetRightIndent() == attr2.GetRightIndent() && - attr1.GetLeftSubIndent() == attr2.GetLeftSubIndent() && - wxRichTextTabsEq(attr1.GetTabs(), attr2.GetTabs()) && - attr1.GetLineSpacing() == attr2.GetLineSpacing() && - attr1.GetParagraphSpacingAfter() == attr2.GetParagraphSpacingAfter() && - attr1.GetParagraphSpacingBefore() == attr2.GetParagraphSpacingBefore() && - attr1.GetBulletStyle() == attr2.GetBulletStyle() && - attr1.GetBulletNumber() == attr2.GetBulletNumber() && - attr1.GetBulletText() == attr2.GetBulletText() && - attr1.GetBulletName() == attr2.GetBulletName() && - attr1.GetBulletFont() == attr2.GetBulletFont() && - attr1.GetOutlineLevel() == attr2.GetOutlineLevel() && - attr1.GetCharacterStyleName() == attr2.GetCharacterStyleName() && - attr1.GetParagraphStyleName() == attr2.GetParagraphStyleName() && - attr1.GetListStyleName() == attr2.GetListStyleName() && - attr1.HasPageBreak() == attr2.HasPageBreak()); -} - -/// Compare two attribute objects, but take into account the flags -/// specifying attributes of interest. -bool wxTextAttrEqPartial(const wxTextAttrEx& attr1, const wxTextAttrEx& attr2, int flags) -{ - if ((flags & wxTEXT_ATTR_TEXT_COLOUR) && attr1.GetTextColour() != attr2.GetTextColour()) - return false; - - if ((flags & wxTEXT_ATTR_BACKGROUND_COLOUR) && attr1.GetBackgroundColour() != attr2.GetBackgroundColour()) - return false; - - if ((flags & wxTEXT_ATTR_FONT_FACE) && attr1.GetFont().Ok() && attr2.GetFont().Ok() && - attr1.GetFont().GetFaceName() != attr2.GetFont().GetFaceName()) - return false; - - if ((flags & wxTEXT_ATTR_FONT_SIZE) && attr1.GetFont().Ok() && attr2.GetFont().Ok() && - attr1.GetFont().GetPointSize() != attr2.GetFont().GetPointSize()) + wxFileOutputStream outStream(filename); + if (!outStream.IsOk()) return false; - if ((flags & wxTEXT_ATTR_FONT_WEIGHT) && attr1.GetFont().Ok() && attr2.GetFont().Ok() && - attr1.GetFont().GetWeight() != attr2.GetFont().GetWeight()) - return false; + return WriteBlock(outStream, block, size); +} - if ((flags & wxTEXT_ATTR_FONT_ITALIC) && attr1.GetFont().Ok() && attr2.GetFont().Ok() && - attr1.GetFont().GetStyle() != attr2.GetFont().GetStyle()) - return false; +// 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 ((flags & wxTEXT_ATTR_FONT_UNDERLINE) && attr1.GetFont().Ok() && attr2.GetFont().Ok() && - attr1.GetFont().GetUnderlined() != attr2.GetFont().GetUnderlined()) - return false; +#if wxUSE_DATAOBJ - if ((flags & wxTEXT_ATTR_ALIGNMENT) && attr1.GetAlignment() != attr2.GetAlignment()) - return false; +/*! + * The data object for a wxRichTextBuffer + */ - if ((flags & wxTEXT_ATTR_LEFT_INDENT) && - ((attr1.GetLeftIndent() != attr2.GetLeftIndent()) || (attr1.GetLeftSubIndent() != attr2.GetLeftSubIndent()))) - return false; +const wxChar *wxRichTextBufferDataObject::ms_richTextBufferFormatId = wxT("wxShape"); - if ((flags & wxTEXT_ATTR_RIGHT_INDENT) && - (attr1.GetRightIndent() != attr2.GetRightIndent())) - return false; +wxRichTextBufferDataObject::wxRichTextBufferDataObject(wxRichTextBuffer* richTextBuffer) +{ + m_richTextBuffer = richTextBuffer; - if ((flags & wxTEXT_ATTR_PARA_SPACING_AFTER) && - (attr1.GetParagraphSpacingAfter() != attr2.GetParagraphSpacingAfter())) - return false; + // this string should uniquely identify our format, but is otherwise + // arbitrary + m_formatRichTextBuffer.SetId(GetRichTextBufferFormatId()); - if ((flags & wxTEXT_ATTR_PARA_SPACING_BEFORE) && - (attr1.GetParagraphSpacingBefore() != attr2.GetParagraphSpacingBefore())) - return false; + SetFormat(m_formatRichTextBuffer); +} - if ((flags & wxTEXT_ATTR_LINE_SPACING) && - (attr1.GetLineSpacing() != attr2.GetLineSpacing())) - return false; +wxRichTextBufferDataObject::~wxRichTextBufferDataObject() +{ + delete m_richTextBuffer; +} - if ((flags & wxTEXT_ATTR_CHARACTER_STYLE_NAME) && - (attr1.GetCharacterStyleName() != attr2.GetCharacterStyleName())) - 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; - if ((flags & wxTEXT_ATTR_PARAGRAPH_STYLE_NAME) && - (attr1.GetParagraphStyleName() != attr2.GetParagraphStyleName())) - return false; + return richTextBuffer; +} - if ((flags & wxTEXT_ATTR_LIST_STYLE_NAME) && - (attr1.GetListStyleName() != attr2.GetListStyleName())) - return false; +wxDataFormat wxRichTextBufferDataObject::GetPreferredFormat(Direction WXUNUSED(dir)) const +{ + return m_formatRichTextBuffer; +} - if ((flags & wxTEXT_ATTR_BULLET_STYLE) && - (attr1.GetBulletStyle() != attr2.GetBulletStyle())) - return false; +size_t wxRichTextBufferDataObject::GetDataSize() const +{ + if (!m_richTextBuffer) + return 0; - if ((flags & wxTEXT_ATTR_BULLET_NUMBER) && - (attr1.GetBulletNumber() != attr2.GetBulletNumber())) - return false; + wxString bufXML; - if ((flags & wxTEXT_ATTR_BULLET_TEXT) && - (attr1.GetBulletText() != attr2.GetBulletText()) && - (attr1.GetBulletFont() != attr2.GetBulletFont())) - return false; + { + 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 ((flags & wxTEXT_ATTR_BULLET_NAME) && - (attr1.GetBulletName() != attr2.GetBulletName())) - return false; +#if wxUSE_UNICODE + wxCharBuffer buffer = bufXML.mb_str(wxConvUTF8); + return strlen(buffer) + 1; +#else + return bufXML.Length()+1; +#endif +} - if ((flags & wxTEXT_ATTR_TABS) && - !wxRichTextTabsEq(attr1.GetTabs(), attr2.GetTabs())) +bool wxRichTextBufferDataObject::GetDataHere(void *pBuf) const +{ + if (!pBuf || !m_richTextBuffer) return false; - if ((flags & wxTEXT_ATTR_PAGE_BREAK) && - (attr1.HasPageBreak() != attr2.HasPageBreak())) - return false; + wxString bufXML; - if (flags & wxTEXT_ATTR_EFFECTS) { - if (attr1.HasTextEffects() != attr2.HasTextEffects()) - return false; - if (!wxRichTextBitlistsEqPartial(attr1.GetTextEffects(), attr2.GetTextEffects(), attr2.GetTextEffectFlags())) - return false; + 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 ((flags & wxTEXT_ATTR_OUTLINE_LEVEL) && - (attr1.GetOutlineLevel() != attr2.GetOutlineLevel())) - return false; +#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 wxTextAttrEqPartial(const wxTextAttrEx& attr1, const wxRichTextAttr& attr2, int flags) +bool wxRichTextBufferDataObject::SetData(size_t WXUNUSED(len), const void *buf) { - if ((flags & wxTEXT_ATTR_TEXT_COLOUR) && attr1.GetTextColour() != attr2.GetTextColour()) - return false; + wxDELETE(m_richTextBuffer); - if ((flags & wxTEXT_ATTR_BACKGROUND_COLOUR) && attr1.GetBackgroundColour() != attr2.GetBackgroundColour()) - return false; + wxString bufXML((const char*) buf, wxConvUTF8); - if ((flags & (wxTEXT_ATTR_FONT)) && !attr1.GetFont().Ok()) - return false; + m_richTextBuffer = new wxRichTextBuffer; - if ((flags & wxTEXT_ATTR_FONT_FACE) && attr1.GetFont().Ok() && - attr1.GetFont().GetFaceName() != attr2.GetFontFaceName()) - return false; + 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.")); - if ((flags & wxTEXT_ATTR_FONT_SIZE) && attr1.GetFont().Ok() && - attr1.GetFont().GetPointSize() != attr2.GetFontSize()) - return false; + wxDELETE(m_richTextBuffer); - if ((flags & wxTEXT_ATTR_FONT_WEIGHT) && attr1.GetFont().Ok() && - attr1.GetFont().GetWeight() != attr2.GetFontWeight()) return false; + } + return true; +} - if ((flags & wxTEXT_ATTR_FONT_ITALIC) && attr1.GetFont().Ok() && - attr1.GetFont().GetStyle() != attr2.GetFontStyle()) - return false; +#endif + // wxUSE_DATAOBJ - if ((flags & wxTEXT_ATTR_FONT_UNDERLINE) && attr1.GetFont().Ok() && - attr1.GetFont().GetUnderlined() != attr2.GetFontUnderlined()) - return false; - if ((flags & wxTEXT_ATTR_ALIGNMENT) && attr1.GetAlignment() != attr2.GetAlignment()) - return false; +/* + * wxRichTextFontTable + * Manages quick access to a pool of fonts for rendering rich text + */ - if ((flags & wxTEXT_ATTR_LEFT_INDENT) && - ((attr1.GetLeftIndent() != attr2.GetLeftIndent()) || (attr1.GetLeftSubIndent() != attr2.GetLeftSubIndent()))) - return false; +WX_DECLARE_STRING_HASH_MAP_WITH_DECL(wxFont, wxRichTextFontTableHashMap, class WXDLLIMPEXP_RICHTEXT); - if ((flags & wxTEXT_ATTR_RIGHT_INDENT) && - (attr1.GetRightIndent() != attr2.GetRightIndent())) - return false; +class wxRichTextFontTableData: public wxObjectRefData +{ +public: + wxRichTextFontTableData() {} - if ((flags & wxTEXT_ATTR_PARA_SPACING_AFTER) && - (attr1.GetParagraphSpacingAfter() != attr2.GetParagraphSpacingAfter())) - return false; + wxFont FindFont(const wxRichTextAttr& fontSpec, double fontScale); - if ((flags & wxTEXT_ATTR_PARA_SPACING_BEFORE) && - (attr1.GetParagraphSpacingBefore() != attr2.GetParagraphSpacingBefore())) - return false; + wxRichTextFontTableHashMap m_hashMap; +}; - if ((flags & wxTEXT_ATTR_LINE_SPACING) && - (attr1.GetLineSpacing() != attr2.GetLineSpacing())) - return false; +wxFont wxRichTextFontTableData::FindFont(const wxRichTextAttr& fontSpec, double fontScale) +{ + wxString facename(fontSpec.GetFontFaceName()); - if ((flags & wxTEXT_ATTR_CHARACTER_STYLE_NAME) && - (attr1.GetCharacterStyleName() != attr2.GetCharacterStyleName())) - return false; + int fontSize = fontSpec.GetFontSize(); + if (fontScale != 1.0) + fontSize = (int) ((double(fontSize) * fontScale) + 0.5); - if ((flags & wxTEXT_ATTR_PARAGRAPH_STYLE_NAME) && - (attr1.GetParagraphStyleName() != attr2.GetParagraphStyleName())) - return false; + 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()); - if ((flags & wxTEXT_ATTR_LIST_STYLE_NAME) && - (attr1.GetListStyleName() != attr2.GetListStyleName())) - return false; + 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); - if ((flags & wxTEXT_ATTR_BULLET_STYLE) && - (attr1.GetBulletStyle() != attr2.GetBulletStyle())) - return false; + m_hashMap[spec] = font; + return font; + } + } + else + { + return entry->second; + } +} - if ((flags & wxTEXT_ATTR_BULLET_NUMBER) && - (attr1.GetBulletNumber() != attr2.GetBulletNumber())) - return false; +IMPLEMENT_DYNAMIC_CLASS(wxRichTextFontTable, wxObject) - if ((flags & wxTEXT_ATTR_BULLET_TEXT) && - (attr1.GetBulletText() != attr2.GetBulletText()) && - (attr1.GetBulletFont() != attr2.GetBulletFont())) - return false; +wxRichTextFontTable::wxRichTextFontTable() +{ + m_refData = new wxRichTextFontTableData; + m_fontScale = 1.0; +} - if ((flags & wxTEXT_ATTR_BULLET_NAME) && - (attr1.GetBulletName() != attr2.GetBulletName())) - return false; +wxRichTextFontTable::wxRichTextFontTable(const wxRichTextFontTable& table) + : wxObject() +{ + (*this) = table; +} - if ((flags & wxTEXT_ATTR_TABS) && - !wxRichTextTabsEq(attr1.GetTabs(), attr2.GetTabs())) - return false; +wxRichTextFontTable::~wxRichTextFontTable() +{ + UnRef(); +} - if ((flags & wxTEXT_ATTR_PAGE_BREAK) && - (attr1.HasPageBreak() != attr2.HasPageBreak())) - return false; +bool wxRichTextFontTable::operator == (const wxRichTextFontTable& table) const +{ + return (m_refData == table.m_refData); +} - if (flags & wxTEXT_ATTR_EFFECTS) - { - if (attr1.HasTextEffects() != attr2.HasTextEffects()) - return false; - if (!wxRichTextBitlistsEqPartial(attr1.GetTextEffects(), attr2.GetTextEffects(), attr2.GetTextEffectFlags())) - return false; - } +void wxRichTextFontTable::operator= (const wxRichTextFontTable& table) +{ + Ref(table); + m_fontScale = table.m_fontScale; +} - if ((flags & wxTEXT_ATTR_OUTLINE_LEVEL) && - (attr1.GetOutlineLevel() != attr2.GetOutlineLevel())) - return false; +wxFont wxRichTextFontTable::FindFont(const wxRichTextAttr& fontSpec) +{ + wxRichTextFontTableData* data = (wxRichTextFontTableData*) m_refData; + if (data) + return data->FindFont(fontSpec, m_fontScale); + else + return wxFont(); +} - return true; +void wxRichTextFontTable::Clear() +{ + wxRichTextFontTableData* data = (wxRichTextFontTableData*) m_refData; + if (data) + data->m_hashMap.clear(); } -/// Compare tabs -bool wxRichTextTabsEq(const wxArrayInt& tabs1, const wxArrayInt& tabs2) +void wxRichTextFontTable::SetFontScale(double fontScale) { - if (tabs1.GetCount() != tabs2.GetCount()) - return false; + if (fontScale != m_fontScale) + Clear(); + m_fontScale = fontScale; +} - size_t i; - for (i = 0; i < tabs1.GetCount(); i++) - { - if (tabs1[i] != tabs2[i]) - return false; - } - return true; +// 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(); } -/// Apply one style to another -bool wxRichTextApplyStyle(wxTextAttrEx& destStyle, const wxTextAttrEx& style) +// Equality test +bool wxTextBoxAttr::operator== (const wxTextBoxAttr& attr) const { - // Whole font - if (style.GetFont().Ok() && ((style.GetFlags() & (wxTEXT_ATTR_FONT)) == (wxTEXT_ATTR_FONT))) - destStyle.SetFont(style.GetFont()); - else if (style.GetFont().Ok()) - { - wxFont font = destStyle.GetFont(); + 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 && - if (style.GetFlags() & wxTEXT_ATTR_FONT_FACE) - { - destStyle.SetFlags(destStyle.GetFlags() | wxTEXT_ATTR_FONT_FACE); - font.SetFaceName(style.GetFont().GetFaceName()); - } + m_margins == attr.m_margins && + m_padding == attr.m_padding && + m_position == attr.m_position && - if (style.GetFlags() & wxTEXT_ATTR_FONT_SIZE) - { - destStyle.SetFlags(destStyle.GetFlags() | wxTEXT_ATTR_FONT_SIZE); - font.SetPointSize(style.GetFont().GetPointSize()); - } + m_size == attr.m_size && + m_minSize == attr.m_minSize && + m_maxSize == attr.m_maxSize && - if (style.GetFlags() & wxTEXT_ATTR_FONT_ITALIC) - { - destStyle.SetFlags(destStyle.GetFlags() | wxTEXT_ATTR_FONT_ITALIC); - font.SetStyle(style.GetFont().GetStyle()); - } + m_border == attr.m_border && + m_outline == attr.m_outline && - if (style.GetFlags() & wxTEXT_ATTR_FONT_WEIGHT) - { - destStyle.SetFlags(destStyle.GetFlags() | wxTEXT_ATTR_FONT_WEIGHT); - font.SetWeight(style.GetFont().GetWeight()); - } + m_boxStyleName == attr.m_boxStyleName + ); +} - if (style.GetFlags() & wxTEXT_ATTR_FONT_UNDERLINE) - { - destStyle.SetFlags(destStyle.GetFlags() | wxTEXT_ATTR_FONT_UNDERLINE); - font.SetUnderlined(style.GetFont().GetUnderlined()); - } +// 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 (font != destStyle.GetFont()) - { - int oldFlags = destStyle.GetFlags(); + if (attr.HasClearMode() && HasClearMode() && (GetClearMode() != attr.GetClearMode())) + return false; - destStyle.SetFont(font); + if (attr.HasCollapseBorders() && HasCollapseBorders() && (attr.GetCollapseBorders() != GetCollapseBorders())) + return false; - destStyle.SetFlags(oldFlags); - } - } + if (attr.HasVerticalAlignment() && HasVerticalAlignment() && (attr.GetVerticalAlignment() != GetVerticalAlignment())) + return false; + + if (attr.HasBoxStyleName() && HasBoxStyleName() && (attr.GetBoxStyleName() != GetBoxStyleName())) + return false; - if ( style.GetTextColour().Ok() && style.HasTextColour()) - destStyle.SetTextColour(style.GetTextColour()); + // Position - if ( style.GetBackgroundColour().Ok() && style.HasBackgroundColour()) - destStyle.SetBackgroundColour(style.GetBackgroundColour()); + if (!m_position.EqPartial(attr.m_position, weakTest)) + return false; - if (style.HasAlignment()) - destStyle.SetAlignment(style.GetAlignment()); + // Size - if (style.HasTabs()) - destStyle.SetTabs(style.GetTabs()); + 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; - if (style.HasLeftIndent()) - destStyle.SetLeftIndent(style.GetLeftIndent(), style.GetLeftSubIndent()); + // Margins - if (style.HasRightIndent()) - destStyle.SetRightIndent(style.GetRightIndent()); + if (!m_margins.EqPartial(attr.m_margins, weakTest)) + return false; - if (style.HasParagraphSpacingAfter()) - destStyle.SetParagraphSpacingAfter(style.GetParagraphSpacingAfter()); + // Padding - if (style.HasParagraphSpacingBefore()) - destStyle.SetParagraphSpacingBefore(style.GetParagraphSpacingBefore()); + if (!m_padding.EqPartial(attr.m_padding, weakTest)) + return false; - if (style.HasLineSpacing()) - destStyle.SetLineSpacing(style.GetLineSpacing()); + // Border - if (style.HasCharacterStyleName()) - destStyle.SetCharacterStyleName(style.GetCharacterStyleName()); + if (!GetBorder().EqPartial(attr.GetBorder(), weakTest)) + return false; - if (style.HasParagraphStyleName()) - destStyle.SetParagraphStyleName(style.GetParagraphStyleName()); + // Outline - if (style.HasListStyleName()) - destStyle.SetListStyleName(style.GetListStyleName()); + if (!GetOutline().EqPartial(attr.GetOutline(), weakTest)) + return false; - if (style.HasBulletStyle()) - destStyle.SetBulletStyle(style.GetBulletStyle()); + return true; +} - if (style.HasBulletText()) +// 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()) { - destStyle.SetBulletText(style.GetBulletText()); - destStyle.SetBulletFont(style.GetBulletFont()); + if (!(compareWith && compareWith->HasFloatMode() && compareWith->GetFloatMode() == attr.GetFloatMode())) + SetFloatMode(attr.GetFloatMode()); } - if (style.HasBulletName()) - destStyle.SetBulletName(style.GetBulletName()); - - if (style.HasBulletNumber()) - destStyle.SetBulletNumber(style.GetBulletNumber()); - - if (style.HasURL()) - destStyle.SetURL(style.GetURL()); + if (attr.HasClearMode()) + { + if (!(compareWith && compareWith->HasClearMode() && compareWith->GetClearMode() == attr.GetClearMode())) + SetClearMode(attr.GetClearMode()); + } - if (style.HasPageBreak()) - destStyle.SetPageBreak(); + if (attr.HasCollapseBorders()) + { + if (!(compareWith && compareWith->HasCollapseBorders() && compareWith->GetCollapseBorders() == attr.GetCollapseBorders())) + SetCollapseBorders(attr.GetCollapseBorders()); + } - if (style.HasTextEffects()) + if (attr.HasVerticalAlignment()) { - int destBits = destStyle.GetTextEffects(); - int destFlags = destStyle.GetTextEffectFlags(); + if (!(compareWith && compareWith->HasVerticalAlignment() && compareWith->GetVerticalAlignment() == attr.GetVerticalAlignment())) + SetVerticalAlignment(attr.GetVerticalAlignment()); + } - int srcBits = style.GetTextEffects(); - int srcFlags = style.GetTextEffectFlags(); - - wxRichTextCombineBitlists(destBits, srcBits, destFlags, srcFlags); - - destStyle.SetTextEffects(destBits); - destStyle.SetTextEffectFlags(destFlags); + if (attr.HasBoxStyleName()) + { + if (!(compareWith && compareWith->HasBoxStyleName() && compareWith->GetBoxStyleName() == attr.GetBoxStyleName())) + SetBoxStyleName(attr.GetBoxStyleName()); } - if (style.HasOutlineLevel()) - destStyle.SetOutlineLevel(style.GetOutlineLevel()); + 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); - return true; -} + 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); -bool wxRichTextApplyStyle(wxRichTextAttr& destStyle, const wxTextAttrEx& style) -{ - wxTextAttrEx destStyle2 = destStyle; - wxRichTextApplyStyle(destStyle2, style); - destStyle = destStyle2; return true; } -bool wxRichTextApplyStyle(wxRichTextAttr& destStyle, const wxRichTextAttr& style, wxRichTextAttr* compareWith) +// Remove specified attributes from this object +bool wxTextBoxAttr::RemoveStyle(const wxTextBoxAttr& attr) { - wxTextAttrEx attr(destStyle); - wxRichTextApplyStyle(attr, style, compareWith); - destStyle = 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; } -bool wxRichTextApplyStyle(wxTextAttrEx& destStyle, const wxRichTextAttr& style, wxRichTextAttr* compareWith) +// 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) { - // Whole font. Avoiding setting individual attributes if possible, since - // it recreates the font each time. - if (((style.GetFlags() & (wxTEXT_ATTR_FONT)) == (wxTEXT_ATTR_FONT)) && !compareWith) - { - destStyle.SetFont(wxFont(style.GetFontSize(), destStyle.GetFont().Ok() ? destStyle.GetFont().GetFamily() : wxDEFAULT, - style.GetFontStyle(), style.GetFontWeight(), style.GetFontUnderlined(), style.GetFontFaceName())); - } - else if (style.GetFlags() & (wxTEXT_ATTR_FONT)) + if (attr.HasFloatMode()) { - wxFont font = destStyle.GetFont(); - - if (style.GetFlags() & wxTEXT_ATTR_FONT_FACE) + if (!clashingAttr.HasFloatMode() && !absentAttr.HasFloatMode()) { - if (compareWith && compareWith->HasFaceName() && compareWith->GetFontFaceName() == style.GetFontFaceName()) + if (HasFloatMode()) { - // The same as currently displayed, so don't set + if (GetFloatMode() != attr.GetFloatMode()) + { + clashingAttr.AddFlag(wxTEXT_BOX_ATTR_FLOAT); + RemoveFlag(wxTEXT_BOX_ATTR_FLOAT); + } } else - { - destStyle.SetFlags(destStyle.GetFlags() | wxTEXT_ATTR_FONT_FACE); - font.SetFaceName(style.GetFontFaceName()); - } + SetFloatMode(attr.GetFloatMode()); } + } + else + absentAttr.AddFlag(wxTEXT_BOX_ATTR_FLOAT); - if (style.GetFlags() & wxTEXT_ATTR_FONT_SIZE) + if (attr.HasClearMode()) + { + if (!clashingAttr.HasClearMode() && !absentAttr.HasClearMode()) { - if (compareWith && compareWith->HasSize() && compareWith->GetFontSize() == style.GetFontSize()) + if (HasClearMode()) { - // The same as currently displayed, so don't set + if (GetClearMode() != attr.GetClearMode()) + { + clashingAttr.AddFlag(wxTEXT_BOX_ATTR_CLEAR); + RemoveFlag(wxTEXT_BOX_ATTR_CLEAR); + } } else - { - destStyle.SetFlags(destStyle.GetFlags() | wxTEXT_ATTR_FONT_SIZE); - font.SetPointSize(style.GetFontSize()); - } + SetClearMode(attr.GetClearMode()); } + } + else + absentAttr.AddFlag(wxTEXT_BOX_ATTR_CLEAR); - if (style.GetFlags() & wxTEXT_ATTR_FONT_ITALIC) + if (attr.HasCollapseBorders()) + { + if (!clashingAttr.HasCollapseBorders() && !absentAttr.HasCollapseBorders()) { - if (compareWith && compareWith->HasItalic() && compareWith->GetFontStyle() == style.GetFontStyle()) + if (HasCollapseBorders()) { - // The same as currently displayed, so don't set + if (GetCollapseBorders() != attr.GetCollapseBorders()) + { + clashingAttr.AddFlag(wxTEXT_BOX_ATTR_COLLAPSE_BORDERS); + RemoveFlag(wxTEXT_BOX_ATTR_COLLAPSE_BORDERS); + } } else - { - destStyle.SetFlags(destStyle.GetFlags() | wxTEXT_ATTR_FONT_ITALIC); - font.SetStyle(style.GetFontStyle()); - } + SetCollapseBorders(attr.GetCollapseBorders()); } + } + else + absentAttr.AddFlag(wxTEXT_BOX_ATTR_COLLAPSE_BORDERS); - if (style.GetFlags() & wxTEXT_ATTR_FONT_WEIGHT) + if (attr.HasVerticalAlignment()) + { + if (!clashingAttr.HasVerticalAlignment() && !absentAttr.HasVerticalAlignment()) { - if (compareWith && compareWith->HasWeight() && compareWith->GetFontWeight() == style.GetFontWeight()) + if (HasVerticalAlignment()) { - // The same as currently displayed, so don't set + if (GetVerticalAlignment() != attr.GetVerticalAlignment()) + { + clashingAttr.AddFlag(wxTEXT_BOX_ATTR_VERTICAL_ALIGNMENT); + RemoveFlag(wxTEXT_BOX_ATTR_VERTICAL_ALIGNMENT); + } } else - { - destStyle.SetFlags(destStyle.GetFlags() | wxTEXT_ATTR_FONT_WEIGHT); - font.SetWeight(style.GetFontWeight()); - } + SetVerticalAlignment(attr.GetVerticalAlignment()); } + } + else + absentAttr.AddFlag(wxTEXT_BOX_ATTR_VERTICAL_ALIGNMENT); - if (style.GetFlags() & wxTEXT_ATTR_FONT_UNDERLINE) + if (attr.HasBoxStyleName()) + { + if (!clashingAttr.HasBoxStyleName() && !absentAttr.HasBoxStyleName()) { - if (compareWith && compareWith->HasUnderlined() && compareWith->GetFontUnderlined() == style.GetFontUnderlined()) + if (HasBoxStyleName()) { - // The same as currently displayed, so don't set + if (GetBoxStyleName() != attr.GetBoxStyleName()) + { + clashingAttr.AddFlag(wxTEXT_BOX_ATTR_BOX_STYLE_NAME); + RemoveFlag(wxTEXT_BOX_ATTR_BOX_STYLE_NAME); + } } else - { - destStyle.SetFlags(destStyle.GetFlags() | wxTEXT_ATTR_FONT_UNDERLINE); - font.SetUnderlined(style.GetFontUnderlined()); - } + SetBoxStyleName(attr.GetBoxStyleName()); } + } + else + absentAttr.AddFlag(wxTEXT_BOX_ATTR_BOX_STYLE_NAME); - if (font != destStyle.GetFont()) - { - int oldFlags = destStyle.GetFlags(); + 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); - destStyle.SetFont(font); + 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); - destStyle.SetFlags(oldFlags); - } - } + m_border.CollectCommonAttributes(attr.m_border, clashingAttr.m_border, absentAttr.m_border); + m_outline.CollectCommonAttributes(attr.m_outline, clashingAttr.m_outline, absentAttr.m_outline); +} - if (style.GetTextColour().Ok() && style.HasTextColour()) - { - if (!(compareWith && compareWith->HasTextColour() && compareWith->GetTextColour() == style.GetTextColour())) - destStyle.SetTextColour(style.GetTextColour()); - } +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(); +} - if (style.GetBackgroundColour().Ok() && style.HasBackgroundColour()) - { - if (!(compareWith && compareWith->HasBackgroundColour() && compareWith->GetBackgroundColour() == style.GetBackgroundColour())) - destStyle.SetBackgroundColour(style.GetBackgroundColour()); - } +// wxRichTextAttr - if (style.HasAlignment()) - { - if (!(compareWith && compareWith->HasAlignment() && compareWith->GetAlignment() == style.GetAlignment())) - destStyle.SetAlignment(style.GetAlignment()); - } +void wxRichTextAttr::Copy(const wxRichTextAttr& attr) +{ + wxTextAttr::Copy(attr); - if (style.HasTabs()) - { - if (!(compareWith && compareWith->HasTabs() && wxRichTextTabsEq(compareWith->GetTabs(), style.GetTabs()))) - destStyle.SetTabs(style.GetTabs()); - } + m_textBoxAttr = attr.m_textBoxAttr; +} - if (style.HasLeftIndent()) - { - if (!(compareWith && compareWith->HasLeftIndent() && compareWith->GetLeftIndent() == style.GetLeftIndent() - && compareWith->GetLeftSubIndent() == style.GetLeftSubIndent())) - destStyle.SetLeftIndent(style.GetLeftIndent(), style.GetLeftSubIndent()); - } +bool wxRichTextAttr::operator==(const wxRichTextAttr& attr) const +{ + if (!(wxTextAttr::operator==(attr))) + return false; - if (style.HasRightIndent()) - { - if (!(compareWith && compareWith->HasRightIndent() && compareWith->GetRightIndent() == style.GetRightIndent())) - destStyle.SetRightIndent(style.GetRightIndent()); - } + return (m_textBoxAttr == attr.m_textBoxAttr); +} - if (style.HasParagraphSpacingAfter()) - { - if (!(compareWith && compareWith->HasParagraphSpacingAfter() && compareWith->GetParagraphSpacingAfter() == style.GetParagraphSpacingAfter())) - destStyle.SetParagraphSpacingAfter(style.GetParagraphSpacingAfter()); - } +// Partial equality test +bool wxRichTextAttr::EqPartial(const wxRichTextAttr& attr, bool weakTest) const +{ + if (!(wxTextAttr::EqPartial(attr, weakTest))) + return false; - if (style.HasParagraphSpacingBefore()) - { - if (!(compareWith && compareWith->HasParagraphSpacingBefore() && compareWith->GetParagraphSpacingBefore() == style.GetParagraphSpacingBefore())) - destStyle.SetParagraphSpacingBefore(style.GetParagraphSpacingBefore()); - } + return m_textBoxAttr.EqPartial(attr.m_textBoxAttr, weakTest); +} - if (style.HasLineSpacing()) - { - if (!(compareWith && compareWith->HasLineSpacing() && compareWith->GetLineSpacing() == style.GetLineSpacing())) - destStyle.SetLineSpacing(style.GetLineSpacing()); - } +// 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); - if (style.HasCharacterStyleName()) - { - if (!(compareWith && compareWith->HasCharacterStyleName() && compareWith->GetCharacterStyleName() == style.GetCharacterStyleName())) - destStyle.SetCharacterStyleName(style.GetCharacterStyleName()); - } + return m_textBoxAttr.Apply(style.m_textBoxAttr, compareWith ? (& compareWith->m_textBoxAttr) : (const wxTextBoxAttr*) NULL); +} - if (style.HasParagraphStyleName()) - { - if (!(compareWith && compareWith->HasParagraphStyleName() && compareWith->GetParagraphStyleName() == style.GetParagraphStyleName())) - destStyle.SetParagraphStyleName(style.GetParagraphStyleName()); - } +// Remove specified attributes from this object +bool wxRichTextAttr::RemoveStyle(const wxRichTextAttr& attr) +{ + wxTextAttr::RemoveStyle(*this, attr); - if (style.HasListStyleName()) - { - if (!(compareWith && compareWith->HasListStyleName() && compareWith->GetListStyleName() == style.GetListStyleName())) - destStyle.SetListStyleName(style.GetListStyleName()); - } + return m_textBoxAttr.RemoveStyle(attr.m_textBoxAttr); +} - if (style.HasBulletStyle()) - { - if (!(compareWith && compareWith->HasBulletStyle() && compareWith->GetBulletStyle() == style.GetBulletStyle())) - destStyle.SetBulletStyle(style.GetBulletStyle()); - } +// 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); - if (style.HasBulletText()) - { - if (!(compareWith && compareWith->HasBulletText() && compareWith->GetBulletText() == style.GetBulletText())) - { - destStyle.SetBulletText(style.GetBulletText()); - destStyle.SetBulletFont(style.GetBulletFont()); - } - } + m_textBoxAttr.CollectCommonAttributes(attr.m_textBoxAttr, clashingAttr.m_textBoxAttr, absentAttr.m_textBoxAttr); +} - if (style.HasBulletNumber()) +// Partial equality test +bool wxTextAttrBorder::EqPartial(const wxTextAttrBorder& border, bool weakTest) const +{ + if (!weakTest && + ((!HasStyle() && border.HasStyle()) || + (!HasColour() && border.HasColour()) || + (!HasWidth() && border.HasWidth()))) { - if (!(compareWith && compareWith->HasBulletNumber() && compareWith->GetBulletNumber() == style.GetBulletNumber())) - destStyle.SetBulletNumber(style.GetBulletNumber()); + return false; } - if (style.HasBulletName()) + 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 && compareWith->HasBulletName() && compareWith->GetBulletName() == style.GetBulletName())) - destStyle.SetBulletName(style.GetBulletName()); + if (!(compareWith && (border.GetStyle() == compareWith->GetStyle()))) + SetStyle(border.GetStyle()); } - - if (style.HasURL()) + if (border.HasColour()) { - if (!(compareWith && compareWith->HasURL() && compareWith->GetURL() == style.GetURL())) - destStyle.SetURL(style.GetURL()); + if (!(compareWith && (border.GetColourLong() == compareWith->GetColourLong()))) + SetColour(border.GetColourLong()); } - - if (style.HasPageBreak()) + if (border.HasWidth()) { - if (!(compareWith && compareWith->HasPageBreak())) - destStyle.SetPageBreak(); + if (!(compareWith && (border.GetWidth() == compareWith->GetWidth()))) + SetWidth(border.GetWidth()); } - if (style.HasTextEffects()) + 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 (!(compareWith && compareWith->HasTextEffects() && compareWith->GetTextEffects() == style.GetTextEffects())) + if (!clashingAttr.HasStyle() && !absentAttr.HasStyle()) { - int destBits = destStyle.GetTextEffects(); - int destFlags = destStyle.GetTextEffectFlags(); - - int srcBits = style.GetTextEffects(); - int srcFlags = style.GetTextEffectFlags(); - - wxRichTextCombineBitlists(destBits, srcBits, destFlags, srcFlags); - - destStyle.SetTextEffects(destBits); - destStyle.SetTextEffectFlags(destFlags); + 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 (style.HasOutlineLevel()) + if (attr.HasColour()) { - if (!(compareWith && compareWith->HasOutlineLevel() && compareWith->GetOutlineLevel() == style.GetOutlineLevel())) - destStyle.SetOutlineLevel(style.GetOutlineLevel()); + 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; } -/// Combine two bitlists, specifying the bits of interest with separate flags. -bool wxRichTextCombineBitlists(int& valueA, int valueB, int& flagsA, int flagsB) +// Remove specified attributes from this object +bool wxTextAttrBorders::RemoveStyle(const wxTextAttrBorders& attr) { - // We want to apply B's bits to A, taking into account each's flags which indicate which bits - // are to be taken into account. A zero in B's bits should reset that bit in A but only if B's flags - // indicate it. - - // First, reset the 0 bits from B. We make a mask so we're only dealing with B's zero - // bits at this point, ignoring any 1 bits in B or 0 bits in B that are not relevant. - int valueA2 = ~(~valueB & flagsB) & valueA; - - // Now combine the 1 bits. - int valueA3 = (valueB & flagsB) | valueA2; - - valueA = valueA3; - flagsA = (flagsA | flagsB); - + 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; } -/// Compare two bitlists -bool wxRichTextBitlistsEqPartial(int valueA, int valueB, int flags) +// 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) { - int relevantBitsA = valueA & flags; - int relevantBitsB = valueB & flags; - return (relevantBitsA != relevantBitsB); + 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); } -/// Split into paragraph and character styles -bool wxRichTextSplitParaCharStyles(const wxTextAttrEx& style, wxTextAttrEx& parStyle, wxTextAttrEx& charStyle) +// Set style of all borders +void wxTextAttrBorders::SetStyle(int style) { - wxTextAttrEx defaultCharStyle1(style); - wxTextAttrEx defaultParaStyle1(style); - defaultCharStyle1.SetFlags(defaultCharStyle1.GetFlags()&wxTEXT_ATTR_CHARACTER); - defaultParaStyle1.SetFlags(defaultParaStyle1.GetFlags()&wxTEXT_ATTR_PARAGRAPH); + m_left.SetStyle(style); + m_right.SetStyle(style); + m_top.SetStyle(style); + m_bottom.SetStyle(style); +} - wxRichTextApplyStyle(charStyle, defaultCharStyle1); - wxRichTextApplyStyle(parStyle, defaultParaStyle1); - - return true; +// 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 wxSetFontPreservingStyles(wxTextAttr& attr, const wxFont& font) +void wxTextAttrBorders::SetColour(const wxColour& colour) { - long flags = attr.GetFlags(); - attr.SetFont(font); - attr.SetFlags(flags); + m_left.SetColour(colour); + m_right.SetColour(colour); + m_top.SetColour(colour); + m_bottom.SetColour(colour); } -/// Convert a decimal to Roman numerals -wxString wxRichTextDecimalToRoman(long n) +// Set width of all borders +void wxTextAttrBorders::SetWidth(const wxTextAttrDimension& width) { - static wxArrayInt decimalNumbers; - static wxArrayString romanNumbers; + m_left.SetWidth(width); + m_right.SetWidth(width); + m_top.SetWidth(width); + m_bottom.SetWidth(width); +} - // Clean up arrays - if (n == -1) - { - decimalNumbers.Clear(); - romanNumbers.Clear(); - return wxEmptyString; - } +// Partial equality test +bool wxTextAttrDimension::EqPartial(const wxTextAttrDimension& dim, bool weakTest) const +{ + if (!weakTest && !IsValid() && dim.IsValid()) + return false; - if (decimalNumbers.GetCount() == 0) - { - #define wxRichTextAddDecRom(n, r) decimalNumbers.Add(n); romanNumbers.Add(r); + if (dim.IsValid() && IsValid() && !((*this) == dim)) + return false; + else + return true; +} - 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")); +bool wxTextAttrDimension::Apply(const wxTextAttrDimension& dim, const wxTextAttrDimension* compareWith) +{ + if (dim.IsValid()) + { + if (!(compareWith && dim == (*compareWith))) + (*this) = dim; } - int i = 0; - wxString roman; + return true; +} - while (n > 0 && i < 13) +// 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 (n >= decimalNumbers[i]) - { - n -= decimalNumbers[i]; - roman += romanNumbers[i]; - } - else + if (!clashingAttr.IsValid() && !absentAttr.IsValid()) { - i ++; + if (IsValid()) + { + if (!((*this) == attr)) + { + clashingAttr.SetValid(true); + SetValid(false); + } + } + else + (*this) = attr; } } - if (roman.IsEmpty()) - roman = wxT("0"); - return roman; + else + absentAttr.SetValid(true); } -/*! - * wxRichTextAttr stores attributes without a wxFont object, so is a much more - * efficient way to query styles. - */ - -// ctors -wxRichTextAttr::wxRichTextAttr(const wxColour& colText, - const wxColour& colBack, - wxTextAttrAlignment alignment): m_textAlignment(alignment), m_colText(colText), m_colBack(colBack) +wxTextAttrDimensionConverter::wxTextAttrDimensionConverter(wxDC& dc, double scale, const wxSize& parentSize) { - Init(); - - if (m_colText.Ok()) m_flags |= wxTEXT_ATTR_TEXT_COLOUR; - if (m_colBack.Ok()) m_flags |= wxTEXT_ATTR_BACKGROUND_COLOUR; - if (alignment != wxTEXT_ALIGNMENT_DEFAULT) - m_flags |= wxTEXT_ATTR_ALIGNMENT; + m_ppi = dc.GetPPI().x; m_scale = scale; m_parentSize = parentSize; } -wxRichTextAttr::wxRichTextAttr(const wxTextAttrEx& attr) +wxTextAttrDimensionConverter::wxTextAttrDimensionConverter(int ppi, double scale, const wxSize& parentSize) { - Init(); + m_ppi = ppi; m_scale = scale; m_parentSize = parentSize; +} - (*this) = attr; +int wxTextAttrDimensionConverter::ConvertTenthsMMToPixels(int units) const +{ + return wxRichTextObject::ConvertTenthsMMToPixels(m_ppi, units, m_scale); } -wxRichTextAttr::wxRichTextAttr(const wxRichTextAttr& attr) +int wxTextAttrDimensionConverter::ConvertPixelsToTenthsMM(int pixels) const { - Copy(attr); + return wxRichTextObject::ConvertPixelsToTenthsMM(m_ppi, pixels, m_scale); } -// operations -void wxRichTextAttr::Init() +int wxTextAttrDimensionConverter::GetPixels(const wxTextAttrDimension& dim, int direction) const { - m_textAlignment = wxTEXT_ALIGNMENT_DEFAULT; - m_flags = 0; - m_leftIndent = 0; - m_leftSubIndent = 0; - m_rightIndent = 0; - - m_fontSize = 12; - m_fontStyle = wxNORMAL; - m_fontWeight = wxNORMAL; - m_fontUnderlined = false; - - m_paragraphSpacingAfter = 0; - m_paragraphSpacingBefore = 0; - m_lineSpacing = 0; - m_bulletStyle = wxTEXT_ATTR_BULLET_STYLE_NONE; - m_textEffects = wxTEXT_ATTR_EFFECT_NONE; - m_textEffectFlags = wxTEXT_ATTR_EFFECT_NONE; - m_outlineLevel = 0; - m_bulletNumber = 0; -} - -// Copy -void wxRichTextAttr::Copy(const wxRichTextAttr& attr) + 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 { - m_colText = attr.m_colText; - m_colBack = attr.m_colBack; - m_textAlignment = attr.m_textAlignment; - m_leftIndent = attr.m_leftIndent; - m_leftSubIndent = attr.m_leftSubIndent; - m_rightIndent = attr.m_rightIndent; - m_tabs = attr.m_tabs; - m_flags = attr.m_flags; - - m_fontSize = attr.m_fontSize; - m_fontStyle = attr.m_fontStyle; - m_fontWeight = attr.m_fontWeight; - m_fontUnderlined = attr.m_fontUnderlined; - m_fontFaceName = attr.m_fontFaceName; - m_textEffects = attr.m_textEffects; - m_textEffectFlags = attr.m_textEffectFlags; - - m_paragraphSpacingAfter = attr.m_paragraphSpacingAfter; - m_paragraphSpacingBefore = attr.m_paragraphSpacingBefore; - m_lineSpacing = attr.m_lineSpacing; - m_characterStyleName = attr.m_characterStyleName; - m_paragraphStyleName = attr.m_paragraphStyleName; - m_listStyleName = attr.m_listStyleName; - m_bulletStyle = attr.m_bulletStyle; - m_bulletNumber = attr.m_bulletNumber; - m_bulletText = attr.m_bulletText; - m_bulletFont = attr.m_bulletFont; - m_bulletName = attr.m_bulletName; - m_outlineLevel = attr.m_outlineLevel; - - m_urlTarget = attr.m_urlTarget; -} - -// operators -void wxRichTextAttr::operator= (const wxRichTextAttr& attr) -{ - Copy(attr); -} - -// operators -void wxRichTextAttr::operator= (const wxTextAttrEx& attr) -{ - m_flags = attr.GetFlags(); - - m_colText = attr.GetTextColour(); - m_colBack = attr.GetBackgroundColour(); - m_textAlignment = attr.GetAlignment(); - m_leftIndent = attr.GetLeftIndent(); - m_leftSubIndent = attr.GetLeftSubIndent(); - m_rightIndent = attr.GetRightIndent(); - m_tabs = attr.GetTabs(); - m_textEffects = attr.GetTextEffects(); - m_textEffectFlags = attr.GetTextEffectFlags(); - - m_paragraphSpacingAfter = attr.GetParagraphSpacingAfter(); - m_paragraphSpacingBefore = attr.GetParagraphSpacingBefore(); - m_lineSpacing = attr.GetLineSpacing(); - m_characterStyleName = attr.GetCharacterStyleName(); - m_paragraphStyleName = attr.GetParagraphStyleName(); - m_listStyleName = attr.GetListStyleName(); - m_bulletStyle = attr.GetBulletStyle(); - m_bulletNumber = attr.GetBulletNumber(); - m_bulletText = attr.GetBulletText(); - m_bulletName = attr.GetBulletName(); - m_bulletFont = attr.GetBulletFont(); - m_outlineLevel = attr.GetOutlineLevel(); - - m_urlTarget = attr.GetURL(); - - if (attr.GetFont().Ok()) - GetFontAttributes(attr.GetFont()); -} - -// Making a wxTextAttrEx object. -wxRichTextAttr::operator wxTextAttrEx () const -{ - wxTextAttrEx attr; - attr.SetTextColour(GetTextColour()); - attr.SetBackgroundColour(GetBackgroundColour()); - attr.SetAlignment(GetAlignment()); - attr.SetTabs(GetTabs()); - attr.SetLeftIndent(GetLeftIndent(), GetLeftSubIndent()); - attr.SetRightIndent(GetRightIndent()); - attr.SetFont(CreateFont()); - - attr.SetParagraphSpacingAfter(m_paragraphSpacingAfter); - attr.SetParagraphSpacingBefore(m_paragraphSpacingBefore); - attr.SetLineSpacing(m_lineSpacing); - attr.SetBulletStyle(m_bulletStyle); - attr.SetBulletNumber(m_bulletNumber); - attr.SetBulletText(m_bulletText); - attr.SetBulletName(m_bulletName); - attr.SetBulletFont(m_bulletFont); - attr.SetCharacterStyleName(m_characterStyleName); - attr.SetParagraphStyleName(m_paragraphStyleName); - attr.SetListStyleName(m_listStyleName); - attr.SetTextEffects(m_textEffects); - attr.SetTextEffectFlags(m_textEffectFlags); - attr.SetOutlineLevel(m_outlineLevel); - - attr.SetURL(m_urlTarget); - - attr.SetFlags(GetFlags()); // Important: set after SetFont and others, since they set flags - return attr; + 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; + } } -// Equality test -bool wxRichTextAttr::operator== (const wxRichTextAttr& attr) const +// Partial equality test +bool wxTextAttrDimensions::EqPartial(const wxTextAttrDimensions& dims, bool weakTest) const { - return GetFlags() == attr.GetFlags() && + if (!m_left.EqPartial(dims.m_left, weakTest)) + return false; + + if (!m_right.EqPartial(dims.m_right, weakTest)) + return false; - GetTextColour() == attr.GetTextColour() && - GetBackgroundColour() == attr.GetBackgroundColour() && + if (!m_top.EqPartial(dims.m_top, weakTest)) + return false; - GetAlignment() == attr.GetAlignment() && - GetLeftIndent() == attr.GetLeftIndent() && - GetLeftSubIndent() == attr.GetLeftSubIndent() && - GetRightIndent() == attr.GetRightIndent() && - wxRichTextTabsEq(GetTabs(), attr.GetTabs()) && + if (!m_bottom.EqPartial(dims.m_bottom, weakTest)) + return false; - GetParagraphSpacingAfter() == attr.GetParagraphSpacingAfter() && - GetParagraphSpacingBefore() == attr.GetParagraphSpacingBefore() && - GetLineSpacing() == attr.GetLineSpacing() && - GetCharacterStyleName() == attr.GetCharacterStyleName() && - GetParagraphStyleName() == attr.GetParagraphStyleName() && - GetListStyleName() == attr.GetListStyleName() && + return true; +} - GetBulletStyle() == attr.GetBulletStyle() && - GetBulletText() == attr.GetBulletText() && - GetBulletNumber() == attr.GetBulletNumber() && - GetBulletFont() == attr.GetBulletFont() && - GetBulletName() == attr.GetBulletName() && +// 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); - GetTextEffects() == attr.GetTextEffects() && - GetTextEffectFlags() == attr.GetTextEffectFlags() && + return true; +} - GetOutlineLevel() == attr.GetOutlineLevel() && +// 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(); - GetFontSize() == attr.GetFontSize() && - GetFontStyle() == attr.GetFontStyle() && - GetFontWeight() == attr.GetFontWeight() && - GetFontUnderlined() == attr.GetFontUnderlined() && - GetFontFaceName() == attr.GetFontFaceName() && - - GetURL() == attr.GetURL(); + return true; } -// Create font from font attributes. -wxFont wxRichTextAttr::CreateFont() const +// 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) { - wxFont font(m_fontSize, wxDEFAULT, m_fontStyle, m_fontWeight, m_fontUnderlined, m_fontFaceName); -#ifdef __WXMAC__ - font.SetNoAntiAliasing(true); -#endif - return font; + 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); } -// Get attributes from font. -bool wxRichTextAttr::GetFontAttributes(const wxFont& font) +// Partial equality test +bool wxTextAttrSize::EqPartial(const wxTextAttrSize& size, bool weakTest) const { - if (!font.Ok()) + if (!m_width.EqPartial(size.m_width, weakTest)) return false; - m_fontSize = font.GetPointSize(); - m_fontStyle = font.GetStyle(); - m_fontWeight = font.GetWeight(); - m_fontUnderlined = font.GetUnderlined(); - m_fontFaceName = font.GetFaceName(); + if (!m_height.EqPartial(size.m_height, weakTest)) + return false; return true; } -wxRichTextAttr wxRichTextAttr::Combine(const wxRichTextAttr& attr, - const wxRichTextAttr& attrDef, - const wxTextCtrlBase *text) +// Apply border to 'this', but not if the same as compareWith +bool wxTextAttrSize::Apply(const wxTextAttrSize& size, const wxTextAttrSize* compareWith) { - wxColour colFg = attr.GetTextColour(); - if ( !colFg.Ok() ) - { - colFg = attrDef.GetTextColour(); - - if ( text && !colFg.Ok() ) - colFg = text->GetForegroundColour(); - } - - wxColour colBg = attr.GetBackgroundColour(); - if ( !colBg.Ok() ) - { - colBg = attrDef.GetBackgroundColour(); - - if ( text && !colBg.Ok() ) - colBg = text->GetBackgroundColour(); - } - - wxRichTextAttr newAttr(colFg, colBg); - - if (attr.HasWeight()) - newAttr.SetFontWeight(attr.GetFontWeight()); - - if (attr.HasSize()) - newAttr.SetFontSize(attr.GetFontSize()); - - if (attr.HasItalic()) - newAttr.SetFontStyle(attr.GetFontStyle()); - - if (attr.HasUnderlined()) - newAttr.SetFontUnderlined(attr.GetFontUnderlined()); + 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); - if (attr.HasFaceName()) - newAttr.SetFontFaceName(attr.GetFontFaceName()); + return true; +} - if (attr.HasAlignment()) - newAttr.SetAlignment(attr.GetAlignment()); - else if (attrDef.HasAlignment()) - newAttr.SetAlignment(attrDef.GetAlignment()); +// 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(); - if (attr.HasTabs()) - newAttr.SetTabs(attr.GetTabs()); - else if (attrDef.HasTabs()) - newAttr.SetTabs(attrDef.GetTabs()); + return true; +} - if (attr.HasLeftIndent()) - newAttr.SetLeftIndent(attr.GetLeftIndent(), attr.GetLeftSubIndent()); - else if (attrDef.HasLeftIndent()) - newAttr.SetLeftIndent(attrDef.GetLeftIndent(), attr.GetLeftSubIndent()); +// 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); +} - if (attr.HasRightIndent()) - newAttr.SetRightIndent(attr.GetRightIndent()); - else if (attrDef.HasRightIndent()) - newAttr.SetRightIndent(attrDef.GetRightIndent()); +// 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)); - // NEW ATTRIBUTES + long forbiddenFlags = clashingAttr.GetFlags()|absentAttr.GetFlags(); - if (attr.HasParagraphSpacingAfter()) - newAttr.SetParagraphSpacingAfter(attr.GetParagraphSpacingAfter()); + if (attr.HasFont()) + { + // 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()); + } - if (attr.HasParagraphSpacingBefore()) - newAttr.SetParagraphSpacingBefore(attr.GetParagraphSpacingBefore()); + 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()); + } + } - if (attr.HasLineSpacing()) - newAttr.SetLineSpacing(attr.GetLineSpacing()); + 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()); + } - if (attr.HasCharacterStyleName()) - newAttr.SetCharacterStyleName(attr.GetCharacterStyleName()); + 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()); + } - if (attr.HasParagraphStyleName()) - newAttr.SetParagraphStyleName(attr.GetParagraphStyleName()); + 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()); + } - if (attr.HasListStyleName()) - newAttr.SetListStyleName(attr.GetListStyleName()); + if (attr.HasFontFaceName() && !wxHasStyle(forbiddenFlags, wxTEXT_ATTR_FONT_FACE)) + { + if (currentStyle.HasFontFaceName()) + { + wxString faceName1(currentStyle.GetFontFaceName()); + wxString faceName2(attr.GetFontFaceName()); - if (attr.HasBulletStyle()) - newAttr.SetBulletStyle(attr.GetBulletStyle()); + 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()); + } - if (attr.HasBulletNumber()) - newAttr.SetBulletNumber(attr.GetBulletNumber()); + 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()); + } - if (attr.HasBulletName()) - newAttr.SetBulletName(attr.GetBulletName()); + 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()); + } + } - if (attr.HasBulletText()) + if (attr.HasTextColour() && !wxHasStyle(forbiddenFlags, wxTEXT_ATTR_TEXT_COLOUR)) { - newAttr.SetBulletText(attr.GetBulletText()); - newAttr.SetBulletFont(attr.GetBulletFont()); + 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()); } - if (attr.HasURL()) - newAttr.SetURL(attr.GetURL()); + 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()); + } - if (attr.HasPageBreak()) - newAttr.SetPageBreak(); + 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()); + } - if (attr.HasTextEffects()) + if (attr.HasTabs() && !wxHasStyle(forbiddenFlags, wxTEXT_ATTR_TABS)) { - newAttr.SetTextEffects(attr.GetTextEffects()); - newAttr.SetTextEffectFlags(attr.GetTextEffectFlags()); + 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()); } - if (attr.HasOutlineLevel()) - newAttr.SetOutlineLevel(attr.GetOutlineLevel()); + 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()); + } - return newAttr; -} + 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()); + } -/*! - * wxTextAttrEx is an extended version of wxTextAttr with more paragraph attributes. - */ + 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()); + } -wxTextAttrEx::wxTextAttrEx(const wxTextAttrEx& attr): wxTextAttr() -{ - Copy(attr); -} + 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()); + } -// Initialise this object. -void wxTextAttrEx::Init() -{ - m_paragraphSpacingAfter = 0; - m_paragraphSpacingBefore = 0; - m_lineSpacing = 0; - m_bulletStyle = wxTEXT_ATTR_BULLET_STYLE_NONE; - m_textEffects = wxTEXT_ATTR_EFFECT_NONE; - m_textEffectFlags = wxTEXT_ATTR_EFFECT_NONE; - m_bulletNumber = 0; - m_outlineLevel = 0; -} + 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()); + } -// Copy -void wxTextAttrEx::Copy(const wxTextAttrEx& attr) -{ - wxTextAttr::operator= (attr); + 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()); + } - m_paragraphSpacingAfter = attr.m_paragraphSpacingAfter; - m_paragraphSpacingBefore = attr.m_paragraphSpacingBefore; - m_lineSpacing = attr.m_lineSpacing; - m_characterStyleName = attr.m_characterStyleName; - m_paragraphStyleName = attr.m_paragraphStyleName; - m_listStyleName = attr.m_listStyleName; - m_bulletStyle = attr.m_bulletStyle; - m_bulletNumber = attr.m_bulletNumber; - m_bulletText = attr.m_bulletText; - m_bulletFont = attr.m_bulletFont; - m_bulletName = attr.m_bulletName; - m_urlTarget = attr.m_urlTarget; - m_textEffects = attr.m_textEffects; - m_textEffectFlags = attr.m_textEffectFlags; - m_outlineLevel = attr.m_outlineLevel; -} + 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()); + } -// Assignment from a wxTextAttrEx object -void wxTextAttrEx::operator= (const wxTextAttrEx& attr) -{ - Copy(attr); -} + 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()); + } -// Assignment from a wxTextAttr object. -void wxTextAttrEx::operator= (const wxTextAttr& attr) -{ - wxTextAttr::operator= (attr); -} + 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()); + } -// Equality test -bool wxTextAttrEx::operator== (const wxTextAttrEx& attr) const -{ - return ( - GetFlags() == attr.GetFlags() && - GetTextColour() == attr.GetTextColour() && - GetBackgroundColour() == attr.GetBackgroundColour() && - GetFont() == attr.GetFont() && - GetTextEffects() == attr.GetTextEffects() && - GetTextEffectFlags() == attr.GetTextEffectFlags() && - GetAlignment() == attr.GetAlignment() && - GetLeftIndent() == attr.GetLeftIndent() && - GetRightIndent() == attr.GetRightIndent() && - GetLeftSubIndent() == attr.GetLeftSubIndent() && - wxRichTextTabsEq(GetTabs(), attr.GetTabs()) && - GetLineSpacing() == attr.GetLineSpacing() && - GetParagraphSpacingAfter() == attr.GetParagraphSpacingAfter() && - GetParagraphSpacingBefore() == attr.GetParagraphSpacingBefore() && - GetBulletStyle() == attr.GetBulletStyle() && - GetBulletNumber() == attr.GetBulletNumber() && - GetBulletText() == attr.GetBulletText() && - GetBulletName() == attr.GetBulletName() && - GetBulletFont() == attr.GetBulletFont() && - GetCharacterStyleName() == attr.GetCharacterStyleName() && - GetParagraphStyleName() == attr.GetParagraphStyleName() && - GetListStyleName() == attr.GetListStyleName() && - GetOutlineLevel() == attr.GetOutlineLevel() && - GetURL() == attr.GetURL()); -} - -wxTextAttrEx wxTextAttrEx::CombineEx(const wxTextAttrEx& attr, - const wxTextAttrEx& attrDef, - const wxTextCtrlBase *text) -{ - wxTextAttrEx newAttr; - - // If attr specifies the complete font, just use that font, overriding all - // default font attributes. - if ((attr.GetFlags() & wxTEXT_ATTR_FONT) == wxTEXT_ATTR_FONT) - newAttr.SetFont(attr.GetFont()); - else + if (attr.HasBulletNumber() && !wxHasStyle(forbiddenFlags, wxTEXT_ATTR_BULLET_NUMBER)) { - // First find the basic, default font - long flags = 0; + 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()); + } - wxFont font; - if (attrDef.HasFont()) + if (attr.HasBulletText() && !wxHasStyle(forbiddenFlags, wxTEXT_ATTR_BULLET_TEXT)) + { + if (currentStyle.HasBulletText()) { - flags = (attrDef.GetFlags() & wxTEXT_ATTR_FONT); - font = attrDef.GetFont(); + if (currentStyle.GetBulletText() != attr.GetBulletText()) + { + // Clash of attr - mark as such + clashingAttr.AddFlag(wxTEXT_ATTR_BULLET_TEXT); + currentStyle.RemoveFlag(wxTEXT_ATTR_BULLET_TEXT); + } } else { - if (text) - font = text->GetFont(); - - // We leave flags at 0 because no font attributes have been specified yet + currentStyle.SetBulletText(attr.GetBulletText()); + currentStyle.SetBulletFont(attr.GetBulletFont()); } - if (!font.Ok()) - font = *wxNORMAL_FONT; + } - // Otherwise, if there are font attributes in attr, apply them - if (attr.GetFlags() & wxTEXT_ATTR_FONT) + if (attr.HasBulletName() && !wxHasStyle(forbiddenFlags, wxTEXT_ATTR_BULLET_NAME)) + { + if (currentStyle.HasBulletName()) { - if (attr.HasSize()) - { - flags |= wxTEXT_ATTR_FONT_SIZE; - font.SetPointSize(attr.GetFont().GetPointSize()); - } - if (attr.HasItalic()) - { - flags |= wxTEXT_ATTR_FONT_ITALIC;; - font.SetStyle(attr.GetFont().GetStyle()); - } - if (attr.HasWeight()) - { - flags |= wxTEXT_ATTR_FONT_WEIGHT; - font.SetWeight(attr.GetFont().GetWeight()); - } - if (attr.HasFaceName()) - { - flags |= wxTEXT_ATTR_FONT_FACE; - font.SetFaceName(attr.GetFont().GetFaceName()); - } - if (attr.HasUnderlined()) + if (currentStyle.GetBulletName() != attr.GetBulletName()) { - flags |= wxTEXT_ATTR_FONT_UNDERLINE; - font.SetUnderlined(attr.GetFont().GetUnderlined()); + // Clash of attr - mark as such + clashingAttr.AddFlag(wxTEXT_ATTR_BULLET_NAME); + currentStyle.RemoveFlag(wxTEXT_ATTR_BULLET_NAME); } - newAttr.SetFont(font); - newAttr.SetFlags(newAttr.GetFlags()|flags); + } + else + { + currentStyle.SetBulletName(attr.GetBulletName()); } } - // TODO: should really check we are specifying these in the flags, - // before setting them, as per above; or we will set them willy-nilly. - // However, we should also check whether this is the intention - // as per wxTextAttr::Combine, i.e. always to have valid colours - // in the style. - wxColour colFg = attr.GetTextColour(); - if ( !colFg.Ok() ) + if (attr.HasURL() && !wxHasStyle(forbiddenFlags, wxTEXT_ATTR_URL)) { - colFg = attrDef.GetTextColour(); - - if ( text && !colFg.Ok() ) - colFg = text->GetForegroundColour(); + 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()); + } } - wxColour colBg = attr.GetBackgroundColour(); - if ( !colBg.Ok() ) + if (attr.HasTextEffects() && !wxHasStyle(forbiddenFlags, wxTEXT_ATTR_EFFECTS)) { - colBg = attrDef.GetBackgroundColour(); - - if ( text && !colBg.Ok() ) - colBg = text->GetBackgroundColour(); - } - - newAttr.SetTextColour(colFg); - newAttr.SetBackgroundColour(colBg); - - if (attr.HasAlignment()) - newAttr.SetAlignment(attr.GetAlignment()); - else if (attrDef.HasAlignment()) - newAttr.SetAlignment(attrDef.GetAlignment()); - - if (attr.HasTabs()) - newAttr.SetTabs(attr.GetTabs()); - else if (attrDef.HasTabs()) - newAttr.SetTabs(attrDef.GetTabs()); - - if (attr.HasLeftIndent()) - newAttr.SetLeftIndent(attr.GetLeftIndent(), attr.GetLeftSubIndent()); - else if (attrDef.HasLeftIndent()) - newAttr.SetLeftIndent(attrDef.GetLeftIndent(), attr.GetLeftSubIndent()); - - if (attr.HasRightIndent()) - newAttr.SetRightIndent(attr.GetRightIndent()); - else if (attrDef.HasRightIndent()) - newAttr.SetRightIndent(attrDef.GetRightIndent()); - - // NEW ATTRIBUTES - - if (attr.HasParagraphSpacingAfter()) - newAttr.SetParagraphSpacingAfter(attr.GetParagraphSpacingAfter()); - - if (attr.HasParagraphSpacingBefore()) - newAttr.SetParagraphSpacingBefore(attr.GetParagraphSpacingBefore()); - - if (attr.HasLineSpacing()) - newAttr.SetLineSpacing(attr.GetLineSpacing()); - - if (attr.HasCharacterStyleName()) - newAttr.SetCharacterStyleName(attr.GetCharacterStyleName()); + 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 (attr.HasParagraphStyleName()) - newAttr.SetParagraphStyleName(attr.GetParagraphStyleName()); + // 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. - if (attr.HasListStyleName()) - newAttr.SetListStyleName(attr.GetListStyleName()); + int currentRelevantTextEffects = currentStyle.GetTextEffects() & attr.GetTextEffectFlags(); + int newRelevantTextEffects = attr.GetTextEffects() & attr.GetTextEffectFlags(); - if (attr.HasBulletStyle()) - newAttr.SetBulletStyle(attr.GetBulletStyle()); + if (currentRelevantTextEffects != newRelevantTextEffects) + { + // Find the text effects that were different, using XOR + int differentEffects = currentRelevantTextEffects ^ newRelevantTextEffects; - if (attr.HasBulletNumber()) - newAttr.SetBulletNumber(attr.GetBulletNumber()); + // Clash of attr - mark as such + clashingAttr.SetTextEffectFlags(clashingAttr.GetTextEffectFlags() | differentEffects); + currentStyle.SetTextEffectFlags(currentStyle.GetTextEffectFlags() & ~differentEffects); + } + } + else + { + currentStyle.SetTextEffects(attr.GetTextEffects()); + currentStyle.SetTextEffectFlags(attr.GetTextEffectFlags()); + } - if (attr.HasBulletName()) - newAttr.SetBulletName(attr.GetBulletName()); + // 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()); - if (attr.HasBulletText()) - { - newAttr.SetBulletText(attr.GetBulletText()); - newAttr.SetBulletFont(attr.GetBulletFont()); + if (currentStyle.GetTextEffectFlags() == 0) + currentStyle.RemoveFlag(wxTEXT_ATTR_EFFECTS); } - if (attr.HasURL()) - newAttr.SetURL(attr.GetURL()); - - if (attr.HasTextEffects()) + if (attr.HasOutlineLevel() && !wxHasStyle(forbiddenFlags, wxTEXT_ATTR_OUTLINE_LEVEL)) { - newAttr.SetTextEffects(attr.GetTextEffects()); - newAttr.SetTextEffectFlags(attr.GetTextEffectFlags()); + 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()); } - - if (attr.HasOutlineLevel()) - newAttr.SetOutlineLevel(attr.GetOutlineLevel()); - - return newAttr; } +WX_DEFINE_OBJARRAY(wxRichTextVariantArray); -/*! - * wxRichTextFileHandler - * Base class for file handlers - */ - -IMPLEMENT_CLASS(wxRichTextFileHandler, wxObject) +IMPLEMENT_DYNAMIC_CLASS(wxRichTextProperties, wxObject) -#if wxUSE_STREAMS -bool wxRichTextFileHandler::LoadFile(wxRichTextBuffer *buffer, const wxString& filename) +bool wxRichTextProperties::operator==(const wxRichTextProperties& props) const { - wxFFileInputStream stream(filename); - if (stream.Ok()) - return LoadFile(buffer, stream); - - return false; -} + if (m_properties.GetCount() != props.GetCount()) + return false; -bool wxRichTextFileHandler::SaveFile(wxRichTextBuffer *buffer, const wxString& filename) -{ - wxFFileOutputStream stream(filename); - if (stream.Ok()) - return SaveFile(buffer, stream); + 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; + } - return false; + return true; } -#endif // wxUSE_STREAMS -/// Can we handle this filename (if using files)? By default, checks the extension. -bool wxRichTextFileHandler::CanHandle(const wxString& filename) const +wxArrayString wxRichTextProperties::GetPropertyNames() const { - wxString path, file, ext; - wxSplitPath(filename, & path, & file, & ext); - - return (ext.Lower() == GetExtension()); + wxArrayString arr; + size_t i; + for (i = 0; i < m_properties.GetCount(); i++) + { + arr.Add(m_properties[i].GetName()); + } + return arr; } -/*! - * wxRichTextTextHandler - * Plain text handler - */ - -IMPLEMENT_CLASS(wxRichTextPlainTextHandler, wxRichTextFileHandler) - -#if wxUSE_STREAMS -bool wxRichTextPlainTextHandler::DoLoadFile(wxRichTextBuffer *buffer, wxInputStream& stream) +int wxRichTextProperties::Find(const wxString& name) const { - if (!stream.IsOk()) - return false; - - wxString str; - int lastCh = 0; - - while (!stream.Eof()) + size_t i; + for (i = 0; i < m_properties.GetCount(); i++) { - 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; - } + if (m_properties[i].GetName() == name) + return (int) i; } - - buffer->ResetAndClearCommands(); - buffer->Clear(); - buffer->AddParagraphs(str); - buffer->UpdateRanges(); - - return true; + return -1; } -bool wxRichTextPlainTextHandler::DoSaveFile(wxRichTextBuffer *buffer, wxOutputStream& stream) +bool wxRichTextProperties::Remove(const wxString& name) { - if (!stream.IsOk()) + int idx = Find(name); + if (idx != -1) + { + m_properties.RemoveAt(idx); + return true; + } + else 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() +wxVariant* wxRichTextProperties::FindOrCreateProperty(const wxString& name) { - Init(); + int idx = Find(name); + if (idx == wxNOT_FOUND) + SetProperty(name, wxString()); + idx = Find(name); + if (idx != wxNOT_FOUND) + { + return & (*this)[idx]; + } + else + return NULL; } -wxRichTextImageBlock::wxRichTextImageBlock(const wxRichTextImageBlock& block):wxObject() +const wxVariant& wxRichTextProperties::GetProperty(const wxString& name) const { - Init(); - Copy(block); + static const wxVariant nullVariant; + int idx = Find(name); + if (idx != -1) + return m_properties[idx]; + else + return nullVariant; } -wxRichTextImageBlock::~wxRichTextImageBlock() +wxString wxRichTextProperties::GetPropertyString(const wxString& name) const { - if (m_data) - { - delete[] m_data; - m_data = NULL; - } + return GetProperty(name).GetString(); } -void wxRichTextImageBlock::Init() +long wxRichTextProperties::GetPropertyLong(const wxString& name) const { - m_data = NULL; - m_dataSize = 0; - m_imageType = -1; + return GetProperty(name).GetLong(); } -void wxRichTextImageBlock::Clear() +bool wxRichTextProperties::GetPropertyBool(const wxString& name) const { - delete[] m_data; - m_data = NULL; - m_dataSize = 0; - m_imageType = -1; + return GetProperty(name).GetBool(); } - -// 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) +double wxRichTextProperties::GetPropertyDouble(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).GetDouble(); } -// Make an image block from the wxImage in the given -// format. -bool wxRichTextImageBlock::MakeImageBlock(wxImage& image, int imageType, int quality) +void wxRichTextProperties::SetProperty(const wxVariant& variant) { - 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) ; - - wxASSERT(success); - wxUnusedVar(success); - - if (!image.SaveFile(tempFile, m_imageType)) - { - if (wxFileExists(tempFile)) - wxRemoveFile(tempFile); - return false; - } - - wxFile file; - if (!file.Open(tempFile)) - return false; - - m_dataSize = (size_t) file.Length(); - file.Close(); - - if (m_data) - delete[] m_data; - m_data = ReadBlock(tempFile, m_dataSize); + wxASSERT(!variant.GetName().IsEmpty()); - wxRemoveFile(tempFile); + int idx = Find(variant.GetName()); - return (m_data != NULL); + if (idx == -1) + m_properties.Add(variant); + else + m_properties[idx] = variant; } - -// Write to a file -bool wxRichTextImageBlock::Write(const wxString& filename) +void wxRichTextProperties::SetProperty(const wxString& name, const wxVariant& variant) { - return WriteBlock(filename, m_data, m_dataSize); -} + int idx = Find(name); + wxVariant var(variant); + var.SetName(name); -void wxRichTextImageBlock::Copy(const wxRichTextImageBlock& block) -{ - m_imageType = block.m_imageType; - if (m_data) - { - delete[] m_data; - m_data = NULL; - } - m_dataSize = block.m_dataSize; - if (m_dataSize == 0) - return; + if (idx == -1) + m_properties.Add(var); + else + m_properties[idx] = var; +} - m_data = new unsigned char[m_dataSize]; - unsigned int i; - for (i = 0; i < m_dataSize; i++) - m_data[i] = block.m_data[i]; +void wxRichTextProperties::SetProperty(const wxString& name, const wxString& value) +{ + SetProperty(name, wxVariant(value, name)); } -//// Operators -void wxRichTextImageBlock::operator=(const wxRichTextImageBlock& block) +void wxRichTextProperties::SetProperty(const wxString& name, long 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, double value) { - if (!m_data) - return false; + SetProperty(name, wxVariant(value, name)); +} - // 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); +void wxRichTextProperties::SetProperty(const wxString& name, bool value) +{ + 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 { - wxString hex; - int i; - for (i = 0; i < (int) m_dataSize; i++) + if (m_address.GetCount() == 0) + return topLevelContainer; + + wxRichTextCompositeObject* p = topLevelContainer; + size_t i = 0; + while (p && i < m_address.GetCount()) { - hex = wxDecToHex(m_data[i]); - wxCharBuffer buf = hex.ToAscii(); + int pos = m_address[i]; + wxASSERT(pos >= 0 && pos < (int) p->GetChildren().GetCount()); + if (pos < 0 || pos >= (int) p->GetChildren().GetCount()) + return NULL; - stream.Write((const char*) buf, hex.length()); - } + wxRichTextObject* p1 = p->GetChild(pos); + if (i == (m_address.GetCount()-1)) + return p1; - return true; + p = wxDynamicCast(p1, wxRichTextCompositeObject); + i ++; + } + 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; - wxString str(wxT(" ")); - m_data = new unsigned char[dataSize]; - int i; - for (i = 0; i < dataSize; i ++) + wxRichTextObject* o = obj; + while (o) { - str[0] = stream.GetC(); - str[1] = stream.GetC(); + wxRichTextCompositeObject* p = wxDynamicCast(o->GetParent(), wxRichTextCompositeObject); + if (!p) + return false; - m_data[i] = (unsigned char)wxHexToDec(str); - } + int pos = p->GetChildren().IndexOf(o); + if (pos == -1) + return false; - m_dataSize = dataSize; - m_imageType = imageType; + m_address.Insert(pos, 0); - return true; + if (p == topLevelContainer) + return true; + + o = p; + } + return false; } -// Allocate and read from stream as a block of memory -unsigned char* wxRichTextImageBlock::ReadBlock(wxInputStream& stream, size_t size) +// Equality test +bool wxRichTextSelection::operator==(const wxRichTextSelection& sel) const { - unsigned char* block = new unsigned char[size]; - if (!block) - return NULL; - - stream.Read(block, size); - - return block; + 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; } -unsigned char* wxRichTextImageBlock::ReadBlock(const wxString& filename, 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 { - wxFileInputStream stream(filename); - if (!stream.Ok()) - return NULL; + if (IsValid()) + { + wxRichTextParagraphLayoutBox* container = obj->GetParentContainer(); - return ReadBlock(stream, size); -} + if (container == m_container) + return m_ranges; -// Write memory block to stream -bool wxRichTextImageBlock::WriteBlock(wxOutputStream& stream, unsigned char* block, size_t size) -{ - stream.Write((void*) block, size); - return stream.IsOk(); + 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; + } + } + container = parentContainer; + } + else + { + container = NULL; + break; + } + } + } + return wxRichTextRangeArray(); } -// Write memory block to file -bool wxRichTextImageBlock::WriteBlock(const wxString& filename, unsigned char* block, size_t size) +// Is the given position within the selection? +bool wxRichTextSelection::WithinSelection(long pos, wxRichTextObject* obj) const { - wxFileOutputStream outStream(filename); - if (!outStream.Ok()) + if (!IsValid()) return false; + else + { + wxRichTextRangeArray selectionRanges = GetSelectionForObject(obj); + return WithinSelection(pos, selectionRanges); + } +} - return WriteBlock(outStream, block, size); +// Is the given position within the selection range? +bool wxRichTextSelection::WithinSelection(long pos, const wxRichTextRangeArray& ranges) +{ + 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; } -// Gets the extension for the block's type -wxString wxRichTextImageBlock::GetExtension() const +// Is the given range completely within the selection range? +bool wxRichTextSelection::WithinSelection(const wxRichTextRange& range, const wxRichTextRangeArray& ranges) { - wxImageHandler* handler = wxImage::FindHandler(GetImageType()); - if (handler) - return handler->GetExtension(); - else - return wxEmptyString; + size_t i; + for (i = 0; i < ranges.GetCount(); i++) + { + const wxRichTextRange& eachRange = ranges[i]; + if (range.IsWithin(eachRange)) + return true; + } + return false; } -#if wxUSE_DATAOBJ +IMPLEMENT_CLASS(wxRichTextDrawingHandler, wxObject) +IMPLEMENT_CLASS(wxRichTextDrawingContext, wxObject) -/*! - * The data object for a wxRichTextBuffer - */ +bool wxRichTextDrawingContext::HasVirtualAttributes(wxRichTextObject* obj) const +{ + wxList::compatibility_iterator node = m_buffer->GetDrawingHandlers().GetFirst(); + while (node) + { + wxRichTextDrawingHandler *handler = (wxRichTextDrawingHandler*)node->GetData(); + if (handler->HasVirtualAttributes(obj)) + return true; -const wxChar *wxRichTextBufferDataObject::ms_richTextBufferFormatId = wxT("wxShape"); + node = node->GetNext(); + } + return false; +} -wxRichTextBufferDataObject::wxRichTextBufferDataObject(wxRichTextBuffer* richTextBuffer) +wxRichTextAttr wxRichTextDrawingContext::GetVirtualAttributes(wxRichTextObject* obj) const { - m_richTextBuffer = richTextBuffer; - - // this string should uniquely identify our format, but is otherwise - // arbitrary - m_formatRichTextBuffer.SetId(GetRichTextBufferFormatId()); + wxRichTextAttr attr; + // We apply all handlers, so we can may combine several different attributes + wxList::compatibility_iterator node = m_buffer->GetDrawingHandlers().GetFirst(); + while (node) + { + wxRichTextDrawingHandler *handler = (wxRichTextDrawingHandler*)node->GetData(); + if (handler->HasVirtualAttributes(obj)) + { + bool success = handler->GetVirtualAttributes(attr, obj); + wxASSERT(success); + wxUnusedVar(success); + } - SetFormat(m_formatRichTextBuffer); + node = node->GetNext(); + } + return attr; } -wxRichTextBufferDataObject::~wxRichTextBufferDataObject() +bool wxRichTextDrawingContext::ApplyVirtualAttributes(wxRichTextAttr& attr, wxRichTextObject* obj) const { - delete m_richTextBuffer; + if (HasVirtualAttributes(obj)) + { + wxRichTextAttr a(GetVirtualAttributes(obj)); + attr.Apply(a); + return true; + } + else + 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() +/// Adds a handler to the end +void wxRichTextBuffer::AddDrawingHandler(wxRichTextDrawingHandler *handler) { - wxRichTextBuffer* richTextBuffer = m_richTextBuffer; - m_richTextBuffer = NULL; - - return richTextBuffer; + sm_drawingHandlers.Append(handler); } -wxDataFormat wxRichTextBufferDataObject::GetPreferredFormat(Direction WXUNUSED(dir)) const +/// Inserts a handler at the front +void wxRichTextBuffer::InsertDrawingHandler(wxRichTextDrawingHandler *handler) { - return m_formatRichTextBuffer; + sm_drawingHandlers.Insert( handler ); } -size_t wxRichTextBufferDataObject::GetDataSize() const +/// Removes a handler +bool wxRichTextBuffer::RemoveDrawingHandler(const wxString& name) { - if (!m_richTextBuffer) - return 0; - - wxString bufXML; - + wxRichTextDrawingHandler *handler = FindDrawingHandler(name); + if (handler) { - 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; - } + sm_drawingHandlers.DeleteObject(handler); + delete handler; + return true; } - -#if wxUSE_UNICODE - wxCharBuffer buffer = bufXML.mb_str(wxConvUTF8); - return strlen(buffer) + 1; -#else - return bufXML.Length()+1; -#endif + else + return false; } -bool wxRichTextBufferDataObject::GetDataHere(void *pBuf) const +wxRichTextDrawingHandler* wxRichTextBuffer::FindDrawingHandler(const wxString& name) { - if (!pBuf || !m_richTextBuffer) - return false; + wxList::compatibility_iterator node = sm_drawingHandlers.GetFirst(); + while (node) + { + wxRichTextDrawingHandler *handler = (wxRichTextDrawingHandler*)node->GetData(); + if (handler->GetName().Lower() == name.Lower()) return handler; - wxString bufXML; + node = node->GetNext(); + } + return NULL; +} +void wxRichTextBuffer::CleanUpDrawingHandlers() +{ + wxList::compatibility_iterator node = sm_drawingHandlers.GetFirst(); + while (node) { - 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; - } + wxRichTextDrawingHandler* handler = (wxRichTextDrawingHandler*)node->GetData(); + wxList::compatibility_iterator next = node->GetNext(); + delete handler; + node = next; } -#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; + sm_drawingHandlers.Clear(); } -bool wxRichTextBufferDataObject::SetData(size_t WXUNUSED(len), const void *buf) +void wxRichTextBuffer::AddFieldType(wxRichTextFieldType *fieldType) { - delete m_richTextBuffer; - m_richTextBuffer = NULL; - - wxString bufXML((const char*) buf, wxConvUTF8); - - m_richTextBuffer = new wxRichTextBuffer; + sm_fieldTypes[fieldType->GetName()] = fieldType; +} - wxStringInputStream stream(bufXML); - if (!m_richTextBuffer->LoadFile(stream, wxRICHTEXT_TYPE_XML)) +bool wxRichTextBuffer::RemoveFieldType(const wxString& name) +{ + wxRichTextFieldTypeHashMap::iterator it = sm_fieldTypes.find(name); + if (it == sm_fieldTypes.end()) + return false; + else { - wxLogError(wxT("Could not read the buffer from an XML stream.\nYou may have forgotten to add the XML file handler.")); + wxRichTextFieldType* fieldType = it->second; + sm_fieldTypes.erase(it); + delete fieldType; + return true; + } +} - delete m_richTextBuffer; - m_richTextBuffer = NULL; +wxRichTextFieldType *wxRichTextBuffer::FindFieldType(const wxString& name) +{ + wxRichTextFieldTypeHashMap::iterator it = sm_fieldTypes.find(name); + if (it == sm_fieldTypes.end()) + return NULL; + else + return it->second; +} - return false; +void wxRichTextBuffer::CleanUpFieldTypes() +{ + wxRichTextFieldTypeHashMap::iterator it; + for( it = sm_fieldTypes.begin(); it != sm_fieldTypes.end(); ++it ) + { + wxRichTextFieldType* fieldType = it->second; + delete fieldType; } - return true; -} -#endif - // wxUSE_DATAOBJ + sm_fieldTypes.clear(); +} #endif // wxUSE_RICHTEXT