another file which needs wx/thread.h inclusion now

[wxWidgets.git] / src / richtext / richtextbuffer.cpp

diff --git a/src/richtext/richtextbuffer.cpp b/src/richtext/richtextbuffer.cpp
index dc5a7640319289b2a65b10138c410e69af8d3473..38de2d611a4def25d9965b601b4a486a948ef86c 100644 (file)
--- a/src/richtext/richtextbuffer.cpp
+++ b/src/richtext/richtextbuffer.cpp
@@ -28,6 +28,7 @@
     #include "wx/module.h"
 #endif
 
     #include "wx/module.h"
 #endif
 

+#include "wx/settings.h"

 #include "wx/filename.h"
 #include "wx/clipbrd.h"
 #include "wx/wfstream.h"
 #include "wx/filename.h"
 #include "wx/clipbrd.h"
 #include "wx/wfstream.h"


@@ -49,6 +50,48 @@ WX_DEFINE_LIST(wxRichTextLineList)
 
 const wxChar wxRichTextLineBreakChar = (wxChar) 29;
 
 
 const wxChar wxRichTextLineBreakChar = (wxChar) 29;
 

+// Helpers for efficiency
+
+inline void wxCheckSetFont(wxDC& dc, const wxFont& font)
+{
+    const wxFont& font1 = dc.GetFont();
+    if (font1.IsOk() && font.IsOk())
+    {
+        if (font1.GetPointSize() == font.GetPointSize() &&
+            font1.GetFamily() == font.GetFamily() &&
+            font1.GetStyle() == font.GetStyle() &&
+            font1.GetWeight() == font.GetWeight() &&
+            font1.GetFaceName() == font.GetFaceName())
+            return;
+    }
+    dc.SetFont(font);
+}
+
+inline void wxCheckSetPen(wxDC& dc, const wxPen& pen)
+{
+    const wxPen& pen1 = dc.GetPen();
+    if (pen1.IsOk() && pen.IsOk())
+    {
+        if (pen1.GetWidth() == pen.GetWidth() &&
+            pen1.GetStyle() == pen.GetStyle() &&
+            pen1.GetColour() == pen.GetColour())
+            return;
+    }
+    dc.SetPen(pen);
+}
+
+inline void wxCheckSetBrush(wxDC& dc, const wxBrush& brush)
+{
+    const wxBrush& brush1 = dc.GetBrush();
+    if (brush1.IsOk() && brush.IsOk())
+    {
+        if (brush1.GetStyle() == brush.GetStyle() &&
+            brush1.GetColour() == brush.GetColour())
+            return;
+    }
+    dc.SetBrush(brush);
+}
+

 /*!
  * wxRichTextObject
  * This is the base for drawable objects.
 /*!
  * wxRichTextObject
  * This is the base for drawable objects.


@@ -594,7 +637,7 @@ bool wxRichTextParagraphLayoutBox::Layout(wxDC& dc, const wxRect& rect, int styl
     if (invalidRange == wxRICHTEXT_ALL)
         layoutAll = true;
     else    // If we know what range is affected, start laying out from that point on.
     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())
+        if (invalidRange.GetStart() >= GetRange().GetStart())

     {
         wxRichTextParagraph* firstParagraph = GetParagraphAtPosition(invalidRange.GetStart());
         if (firstParagraph)
     {
         wxRichTextParagraph* firstParagraph = GetParagraphAtPosition(invalidRange.GetStart());
         if (firstParagraph)


@@ -603,10 +646,13 @@ bool wxRichTextParagraphLayoutBox::Layout(wxDC& dc, const wxRect& rect, int styl
             wxRichTextObjectList::compatibility_iterator previousNode;
             if ( firstNode )
                 previousNode = firstNode->GetPrevious();
             wxRichTextObjectList::compatibility_iterator previousNode;
             if ( firstNode )
                 previousNode = firstNode->GetPrevious();

-            if (firstNode && previousNode)
+            if (firstNode)

             {
             {

-                wxRichTextParagraph* previousParagraph = wxDynamicCast(previousNode->GetData(), wxRichTextParagraph);
-                availableSpace.y = previousParagraph->GetPosition().y + previousParagraph->GetCachedSize().y;
+                if (previousNode)
+                {
+                    wxRichTextParagraph* previousParagraph = wxDynamicCast(previousNode->GetData(), wxRichTextParagraph);
+                    availableSpace.y = previousParagraph->GetPosition().y + previousParagraph->GetCachedSize().y;
+                }

 
                 // Now we're going to start iterating from the first affected paragraph.
                 node = firstNode;
 
                 // Now we're going to start iterating from the first affected paragraph.
                 node = firstNode;


@@ -2985,7 +3031,7 @@ bool wxRichTextParagraph::Draw(wxDC& dc, const wxRichTextRange& range, const wxR
                 else
                     font = (*wxNORMAL_FONT);
 
                 else
                     font = (*wxNORMAL_FONT);
 

-                dc.SetFont(font);
+                wxCheckSetFont(dc, font);

 
                 lineHeight = dc.GetCharHeight();
                 linePos = GetPosition();
 
                 lineHeight = dc.GetCharHeight();
                 linePos = GetPosition();


@@ -3084,7 +3130,7 @@ bool wxRichTextParagraph::Layout(wxDC& dc, const wxRect& rect, int style)
     if (attr.GetLineSpacing() != 10 && GetBuffer())
     {
         wxFont font(GetBuffer()->GetFontTable().FindFont(attr));
     if (attr.GetLineSpacing() != 10 && GetBuffer())
     {
         wxFont font(GetBuffer()->GetFontTable().FindFont(attr));

-        dc.SetFont(font);
+        wxCheckSetFont(dc, font);

         lineSpacing = (ConvertTenthsMMToPixels(dc, dc.GetCharHeight()) * attr.GetLineSpacing())/10;
     }
 
         lineSpacing = (ConvertTenthsMMToPixels(dc, dc.GetCharHeight()) * attr.GetLineSpacing())/10;
     }
 


@@ -3119,13 +3165,24 @@ bool wxRichTextParagraph::Layout(wxDC& dc, const wxRect& rect, int style)
 
     int lineCount = 0;
 
 
     int lineCount = 0;
 

+    wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
+    while (node)
+    {
+        wxRichTextObject* child = node->GetData();
+
+        child->SetCachedSize(wxDefaultSize);
+        child->Layout(dc, rect, style);
+
+        node = node->GetNext();
+    }
+

     // 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.
 
     // 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.
 

-    wxRichTextObjectList::compatibility_iterator node = m_children.GetFirst();
+    node = m_children.GetFirst();

     while (node)
     {
         wxRichTextObject* child = node->GetData();
     while (node)
     {
         wxRichTextObject* child = node->GetData();


@@ -3137,9 +3194,6 @@ bool wxRichTextParagraph::Layout(wxDC& dc, const wxRect& rect, int style)
         // can't tell the position until the size is determined. So possibly introduce
         // another layout phase.
 
         // can't tell the position until the size is determined. So possibly introduce
         // another layout phase.
 

-        // TODO: can't this be called only once per child?
-        child->Layout(dc, rect, style);
-

         // Available width depends on whether we're on the first or subsequent lines
         int availableSpaceForText = (lineCount == 0 ? availableTextSpaceFirstLine : availableTextSpaceSubsequentLines);
 
         // Available width depends on whether we're on the first or subsequent lines
         int availableSpaceForText = (lineCount == 0 ? availableTextSpaceFirstLine : availableTextSpaceSubsequentLines);
 


@@ -3264,7 +3318,7 @@ bool wxRichTextParagraph::Layout(wxDC& dc, const wxRect& rect, int style)
         if (lineHeight == 0 && GetBuffer())
         {
             wxFont font(GetBuffer()->GetFontTable().FindFont(attr));
         if (lineHeight == 0 && GetBuffer())
         {
             wxFont font(GetBuffer()->GetFontTable().FindFont(attr));

-            dc.SetFont(font);
+            wxCheckSetFont(dc, font);

             lineHeight = dc.GetCharHeight();
         }
         if (maxDescent == 0)
             lineHeight = dc.GetCharHeight();
         }
         if (maxDescent == 0)


@@ -3823,18 +3877,53 @@ bool wxRichTextParagraph::FindWrapPosition(const wxRichTextRange& range, wxDC& d
 {
     // Find the first position where the line exceeds the available space.
     wxSize sz;
 {
     // Find the first position where the line exceeds the available space.
     wxSize sz;

-    long i;

     long breakPosition = range.GetEnd();
     long breakPosition = range.GetEnd();

-    for (i = range.GetStart(); i <= range.GetEnd(); i++)
+
+    // Binary chop for speed
+    long minPos = range.GetStart();
+    long maxPos = range.GetEnd();
+    while (true)

     {
     {

-        int descent = 0;
-        GetRangeSize(wxRichTextRange(range.GetStart(), i), sz, descent, dc, wxRICHTEXT_UNFORMATTED);
+        if (minPos == maxPos)
+        {
+            int descent = 0;
+            GetRangeSize(wxRichTextRange(range.GetStart(), minPos), sz, descent, dc, wxRICHTEXT_UNFORMATTED);

 
 

-        if (sz.x > availableSpace)
+            if (sz.x > availableSpace)
+                breakPosition = minPos - 1;
+            break;
+        }
+        else if ((maxPos - minPos) == 1)

         {
         {

-            breakPosition = i-1;
+            int descent = 0;
+            GetRangeSize(wxRichTextRange(range.GetStart(), minPos), sz, descent, dc, wxRICHTEXT_UNFORMATTED);
+
+            if (sz.x > availableSpace)
+                breakPosition = minPos - 1;
+            else
+            {
+                GetRangeSize(wxRichTextRange(range.GetStart(), maxPos), sz, descent, dc, wxRICHTEXT_UNFORMATTED);
+                if (sz.x > availableSpace)
+                    breakPosition = maxPos-1;
+            }

             break;
         }
             break;
         }

+        else
+        {
+            long nextPos = minPos + ((maxPos - minPos) / 2);
+
+            int descent = 0;
+            GetRangeSize(wxRichTextRange(range.GetStart(), nextPos), sz, descent, dc, wxRICHTEXT_UNFORMATTED);
+
+            if (sz.x > availableSpace)
+            {
+                maxPos = nextPos;
+            }
+            else
+            {
+                minPos = nextPos;
+            }
+        }

     }
 
     // Now we know the last position on the line.
     }
 
     // Now we know the last position on the line.


@@ -4129,7 +4218,7 @@ bool wxRichTextPlainText::Draw(wxDC& dc, const wxRichTextRange& range, const wxR
     // is selected.
 
     wxFont font(GetBuffer()->GetFontTable().FindFont(textAttr));
     // is selected.
 
     wxFont font(GetBuffer()->GetFontTable().FindFont(textAttr));

-    dc.SetFont(font);
+    wxCheckSetFont(dc, font);

 
     // (a) All selected.
     if (selectionRange.GetStart() <= range.GetStart() && selectionRange.GetEnd() >= range.GetEnd())
 
     // (a) All selected.
     if (selectionRange.GetStart() <= range.GetStart() && selectionRange.GetEnd() >= range.GetEnd())


@@ -4258,9 +4347,12 @@ bool wxRichTextPlainText::DrawTabbedString(wxDC& dc, const wxTextAttr& attr, con
 
     if (selected)
     {
 
     if (selected)
     {

-        dc.SetBrush(*wxBLACK_BRUSH);
-        dc.SetPen(*wxBLACK_PEN);
-        dc.SetTextForeground(*wxWHITE);
+        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(wxTRANSPARENT);
     }
     else
         dc.SetBackgroundMode(wxTRANSPARENT);
     }
     else


@@ -4312,9 +4404,9 @@ bool wxRichTextPlainText::DrawTabbedString(wxDC& dc, const wxTextAttr& attr, con
                 if (attr.HasTextEffects() && (attr.GetTextEffects() & wxTEXT_ATTR_EFFECT_STRIKETHROUGH))
                 {
                     wxPen oldPen = dc.GetPen();
                 if (attr.HasTextEffects() && (attr.GetTextEffects() & wxTEXT_ATTR_EFFECT_STRIKETHROUGH))
                 {
                     wxPen oldPen = dc.GetPen();

-                    dc.SetPen(wxPen(attr.GetTextColour(), 1));
+                    wxCheckSetPen(dc, wxPen(attr.GetTextColour(), 1));

                     dc.DrawLine(x, (int) (y+(h/2)+0.5), x+w, (int) (y+(h/2)+0.5));
                     dc.DrawLine(x, (int) (y+(h/2)+0.5), x+w, (int) (y+(h/2)+0.5));

-                    dc.SetPen(oldPen);
+                    wxCheckSetPen(dc, oldPen);

                 }
 
                 x = nextTabPos;
                 }
 
                 x = nextTabPos;


@@ -4336,9 +4428,9 @@ bool wxRichTextPlainText::DrawTabbedString(wxDC& dc, const wxTextAttr& attr, con
         if (attr.HasTextEffects() && (attr.GetTextEffects() & wxTEXT_ATTR_EFFECT_STRIKETHROUGH))
         {
             wxPen oldPen = dc.GetPen();
         if (attr.HasTextEffects() && (attr.GetTextEffects() & wxTEXT_ATTR_EFFECT_STRIKETHROUGH))
         {
             wxPen oldPen = dc.GetPen();

-            dc.SetPen(wxPen(attr.GetTextColour(), 1));
+            wxCheckSetPen(dc, wxPen(attr.GetTextColour(), 1));

             dc.DrawLine(x, (int) (y+(h/2)+0.5), x+w, (int) (y+(h/2)+0.5));
             dc.DrawLine(x, (int) (y+(h/2)+0.5), x+w, (int) (y+(h/2)+0.5));

-            dc.SetPen(oldPen);
+            wxCheckSetPen(dc, oldPen);

         }
 
         x += w;
         }
 
         x += w;


@@ -4350,7 +4442,9 @@ bool wxRichTextPlainText::DrawTabbedString(wxDC& dc, const wxTextAttr& attr, con
 /// Lay the item out
 bool wxRichTextPlainText::Layout(wxDC& dc, const wxRect& WXUNUSED(rect), int WXUNUSED(style))
 {
 /// Lay the item out
 bool wxRichTextPlainText::Layout(wxDC& dc, const wxRect& WXUNUSED(rect), int WXUNUSED(style))
 {

-    GetRangeSize(GetRange(), m_size, m_descent, dc, 0, wxPoint(0, 0));
+    // Only lay out if we haven't already cached the size
+    if (m_size.x == -1)
+        GetRangeSize(GetRange(), m_size, m_descent, dc, 0, wxPoint(0, 0));

 
     return true;
 }
 
     return true;
 }


@@ -4380,7 +4474,7 @@ bool wxRichTextPlainText::GetRangeSize(const wxRichTextRange& range, wxSize& siz
     // formatted text by doing it in chunks according to the line ranges
 
     wxFont font(GetBuffer()->GetFontTable().FindFont(textAttr));
     // formatted text by doing it in chunks according to the line ranges
 
     wxFont font(GetBuffer()->GetFontTable().FindFont(textAttr));

-    dc.SetFont(font);
+    wxCheckSetFont(dc, font);

 
     int startPos = range.GetStart() - GetRange().GetStart();
     long len = range.GetLength();
 
     int startPos = range.GetStart() - GetRange().GetStart();
     long len = range.GetLength();


@@ -4813,7 +4907,8 @@ wxTextAttr wxRichTextBuffer::GetStyleForNewParagraph(long pos, bool caretPositio
             wxRichTextParagraphStyleDefinition* paraDef = GetStyleSheet()->FindParagraphStyle(para->GetAttributes().GetParagraphStyleName());
             if (paraDef)
             {
             wxRichTextParagraphStyleDefinition* paraDef = GetStyleSheet()->FindParagraphStyle(para->GetAttributes().GetParagraphStyleName());
             if (paraDef)
             {

-                if (!paraDef->GetNextStyle().IsEmpty())
+                // If we're not at the end of the paragraph, then we apply THIS style, and not the designated next style.
+                if (para->GetRange().GetEnd() == pos && !paraDef->GetNextStyle().IsEmpty())

                 {
                     wxRichTextParagraphStyleDefinition* nextParaDef = GetStyleSheet()->FindParagraphStyle(paraDef->GetNextStyle());
                     if (nextParaDef)
                 {
                     wxRichTextParagraphStyleDefinition* nextParaDef = GetStyleSheet()->FindParagraphStyle(paraDef->GetNextStyle());
                     if (nextParaDef)


@@ -5672,13 +5767,13 @@ bool wxRichTextStdRenderer::DrawStandardBullet(wxRichTextParagraph* paragraph, w
 {
     if (bulletAttr.GetTextColour().Ok())
     {
 {
     if (bulletAttr.GetTextColour().Ok())
     {

-        dc.SetPen(wxPen(bulletAttr.GetTextColour()));
-        dc.SetBrush(wxBrush(bulletAttr.GetTextColour()));
+        wxCheckSetPen(dc, wxPen(bulletAttr.GetTextColour()));
+        wxCheckSetBrush(dc, wxBrush(bulletAttr.GetTextColour()));

     }
     else
     {
     }
     else
     {

-        dc.SetPen(*wxBLACK_PEN);
-        dc.SetBrush(*wxBLACK_BRUSH);
+        wxCheckSetPen(dc, *wxBLACK_PEN);
+        wxCheckSetBrush(dc, *wxBLACK_BRUSH);

     }
 
     wxFont font;
     }
 
     wxFont font;


@@ -5689,7 +5784,7 @@ bool wxRichTextStdRenderer::DrawStandardBullet(wxRichTextParagraph* paragraph, w
     else
         font = (*wxNORMAL_FONT);
 
     else
         font = (*wxNORMAL_FONT);
 

-    dc.SetFont(font);
+    wxCheckSetFont(dc, font);

 
     int charHeight = dc.GetCharHeight();
 
 
     int charHeight = dc.GetCharHeight();
 


@@ -5763,7 +5858,7 @@ bool wxRichTextStdRenderer::DrawTextBullet(wxRichTextParagraph* paragraph, wxDC&
         else
             font = (*wxNORMAL_FONT);
 
         else
             font = (*wxNORMAL_FONT);
 

-        dc.SetFont(font);
+        wxCheckSetFont(dc, font);

 
         if (attr.GetTextColour().Ok())
             dc.SetTextForeground(attr.GetTextColour());
 
         if (attr.GetTextColour().Ok())
             dc.SetTextForeground(attr.GetTextColour());


@@ -6363,8 +6458,8 @@ bool wxRichTextImage::Draw(wxDC& dc, const wxRichTextRange& range, const wxRichT
 
     if (selectionRange.Contains(range.GetStart()))
     {
 
     if (selectionRange.Contains(range.GetStart()))
     {

-        dc.SetBrush(*wxBLACK_BRUSH);
-        dc.SetPen(*wxBLACK_PEN);
+        wxCheckSetBrush(dc, *wxBLACK_BRUSH);
+        wxCheckSetPen(dc, *wxBLACK_PEN);

         dc.SetLogicalFunction(wxINVERT);
         dc.DrawRectangle(rect);
         dc.SetLogicalFunction(wxCOPY);
         dc.SetLogicalFunction(wxINVERT);
         dc.DrawRectangle(rect);
         dc.SetLogicalFunction(wxCOPY);


@@ -7035,7 +7130,7 @@ bool wxRichTextBufferDataObject::SetData(size_t WXUNUSED(len), const void *buf)
  * Manages quick access to a pool of fonts for rendering rich text
  */
 
  * Manages quick access to a pool of fonts for rendering rich text
  */
 

-WX_DECLARE_EXPORTED_STRING_HASH_MAP(wxFont, wxRichTextFontTableHashMap);
+WX_DECLARE_STRING_HASH_MAP_WITH_DECL(wxFont, wxRichTextFontTableHashMap, class WXDLLIMPEXP_RICHTEXT);

 
 class wxRichTextFontTableData: public wxObjectRefData
 {
 
 class wxRichTextFontTableData: public wxObjectRefData
 {