Add backend descriptions for all backends to the documentation.

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

diff --git a/src/richtext/richtextbuffer.cpp b/src/richtext/richtextbuffer.cpp
index 21f4d653cffb33e8c594a7177538a6dbecf946e6..946c96c1a75bcd06f4ca1a43743631fc3373076e 100644 (file)
--- a/src/richtext/richtextbuffer.cpp
+++ b/src/richtext/richtextbuffer.cpp
@@ -1919,7 +1919,8 @@ bool wxRichTextParagraphLayoutBox::Layout(wxDC& dc, const wxRect& rect, int styl
         // Assume this box only contains paragraphs
 
         wxRichTextParagraph* child = wxDynamicCast(node->GetData(), wxRichTextParagraph);
         // Assume this box only contains paragraphs
 
         wxRichTextParagraph* child = wxDynamicCast(node->GetData(), wxRichTextParagraph);

-        wxCHECK_MSG( child, false, wxT("Unknown object in layout") );
+        // Unsure if this is needed
+        // wxCHECK_MSG( child, false, wxT("Unknown object in layout") );

 
         if (child && child->IsShown())
         {
 
         if (child && child->IsShown())
         {


@@ -2636,49 +2637,61 @@ bool wxRichTextParagraphLayoutBox::CopyFragment(const wxRichTextRange& range, wx
     // Now top and tail the first and last paragraphs in our new fragment (which might be the same).
     if (!fragment.IsEmpty())
     {
     // Now top and tail the first and last paragraphs in our new fragment (which might be the same).
     if (!fragment.IsEmpty())
     {

-        wxRichTextRange topTailRange(range);
-

         wxRichTextParagraph* firstPara = wxDynamicCast(fragment.GetChildren().GetFirst()->GetData(), wxRichTextParagraph);
         wxASSERT( firstPara != NULL );
 
         wxRichTextParagraph* firstPara = wxDynamicCast(fragment.GetChildren().GetFirst()->GetData(), wxRichTextParagraph);
         wxASSERT( firstPara != NULL );
 

+        wxRichTextParagraph* lastPara = wxDynamicCast(fragment.GetChildren().GetLast()->GetData(), wxRichTextParagraph);
+        wxASSERT( lastPara != NULL );
+
+        if (!firstPara || !lastPara)
+            return false;
+
+        bool isFragment = (range.GetEnd() < lastPara->GetRange().GetEnd());
+
+        long firstPos = firstPara->GetRange().GetStart();
+
+        // Adjust for renumbering from zero
+        wxRichTextRange topTailRange(range.GetStart() - firstPos, range.GetEnd() - firstPos);
+
+        long end;
+        fragment.CalculateRange(0, end);
+

         // Chop off the start of the paragraph
         // Chop off the start of the paragraph

-        if (topTailRange.GetStart() > firstPara->GetRange().GetStart())
+        if (topTailRange.GetStart() > 0)

         {
         {

-            wxRichTextRange r(firstPara->GetRange().GetStart(), topTailRange.GetStart()-1);
+            wxRichTextRange r(0, topTailRange.GetStart()-1);

             firstPara->DeleteRange(r);
 
             // Make sure the numbering is correct
             firstPara->DeleteRange(r);
 
             // Make sure the numbering is correct

-            long end;
-            fragment.CalculateRange(firstPara->GetRange().GetStart(), end);
+            fragment.CalculateRange(0, end);

 
             // Now, we've deleted some positions, so adjust the range
             // accordingly.
 
             // Now, we've deleted some positions, so adjust the range
             // accordingly.

-            topTailRange.SetEnd(topTailRange.GetEnd() - r.GetLength());
+            topTailRange.SetStart(range.GetLength());
+            topTailRange.SetEnd(fragment.GetOwnRange().GetEnd());
+        }
+        else
+        {
+            topTailRange.SetStart(range.GetLength());
+            topTailRange.SetEnd(fragment.GetOwnRange().GetEnd());

         }
 
         }
 

-        wxRichTextParagraph* lastPara = wxDynamicCast(fragment.GetChildren().GetLast()->GetData(), wxRichTextParagraph);
-        wxASSERT( lastPara != NULL );
-
-        if (topTailRange.GetEnd() < (lastPara->GetRange().GetEnd()-1))
+        if (topTailRange.GetStart() < (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);
+            lastPara->DeleteRange(topTailRange);

 
             // Make sure the numbering is correct
             long end;
 
             // Make sure the numbering is correct
             long end;

-            fragment.CalculateRange(firstPara->GetRange().GetStart(), end);
+            fragment.CalculateRange(0, end);

 
             // We only have part of a paragraph at the end
             fragment.SetPartialParagraph(true);
         }
         else
         {
 
             // 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);
+            // We have a partial paragraph (don't save last new paragraph marker)
+            // or complete paragraph
+            fragment.SetPartialParagraph(isFragment);

         }
     }
 
         }
     }
 


@@ -4325,7 +4338,7 @@ bool wxRichTextParagraph::Layout(wxDC& dc, const wxRect& rect, int style)
     int lineSpacing = 0;
 
     // Let's assume line spacing of 10 is normal, 15 is 1.5, 20 is 2, etc.
     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().Ok())
+    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));
     {
         wxCheckSetFont(dc, attr.GetFont());
         lineSpacing = (int) (double(dc.GetCharHeight()) * (double(attr.GetLineSpacing())/10.0 - 1.0));


@@ -4366,7 +4379,7 @@ bool wxRichTextParagraph::Layout(wxDC& dc, const wxRect& rect, int style)
     int paraDescent = 0;
 
     // This calculates the partial text extents
     int paraDescent = 0;
 
     // This calculates the partial text extents

-    GetRangeSize(GetRange(), paraSize, paraDescent, dc, wxRICHTEXT_UNFORMATTED|wxRICHTEXT_CACHE_SIZE, wxPoint(0,0), & partialExtents);
+    GetRangeSize(GetRange(), paraSize, paraDescent, dc, wxRICHTEXT_UNFORMATTED|wxRICHTEXT_CACHE_SIZE, rect.GetPosition(), & partialExtents);

 #else
     node = m_children.GetFirst();
     while (node)
 #else
     node = m_children.GetFirst();
     while (node)


@@ -5244,7 +5257,7 @@ int wxRichTextParagraph::HitTest(wxDC& dc, const wxPoint& pt, long& textPosition
                 int paraDescent;
 
                 // This calculates the partial text extents
                 int paraDescent;
 
                 // This calculates the partial text extents

-                GetRangeSize(lineRange, paraSize, paraDescent, dc, wxRICHTEXT_UNFORMATTED, wxPoint(0,0), & partialExtents);
+                GetRangeSize(lineRange, paraSize, paraDescent, dc, wxRICHTEXT_UNFORMATTED, linePos, & partialExtents);

 
                 int lastX = linePos.x;
                 size_t i;
 
                 int lastX = linePos.x;
                 size_t i;


@@ -5936,7 +5949,7 @@ bool wxRichTextPlainText::Draw(wxDC& dc, const wxRichTextRange& range, const wxR
     int charHeight = dc.GetCharHeight();
 
     int x, y;
     int charHeight = dc.GetCharHeight();
 
     int x, y;

-    if ( textFont.Ok() )
+    if ( textFont.IsOk() )

     {
         if ( textAttr.HasTextEffects() && (textAttr.GetTextEffects() & wxTEXT_ATTR_EFFECT_SUPERSCRIPT) )
         {
     {
         if ( textAttr.HasTextEffects() && (textAttr.GetTextEffects() & wxTEXT_ATTR_EFFECT_SUPERSCRIPT) )
         {


@@ -6235,7 +6248,7 @@ bool wxRichTextPlainText::GetRangeSize(const wxRichTextRange& range, wxSize& siz
 
     bool bScript(false);
     wxFont font(GetBuffer()->GetFontTable().FindFont(textAttr));
 
     bool bScript(false);
     wxFont font(GetBuffer()->GetFontTable().FindFont(textAttr));

-    if (font.Ok())
+    if (font.IsOk())

     {
         if ( textAttr.HasTextEffects() && ( (textAttr.GetTextEffects() & wxTEXT_ATTR_EFFECT_SUPERSCRIPT)
             || (textAttr.GetTextEffects() & wxTEXT_ATTR_EFFECT_SUBSCRIPT) ) )
     {
         if ( textAttr.HasTextEffects() && ( (textAttr.GetTextEffects() & wxTEXT_ATTR_EFFECT_SUPERSCRIPT)
             || (textAttr.GetTextEffects() & wxTEXT_ATTR_EFFECT_SUBSCRIPT) ) )


@@ -6601,34 +6614,12 @@ bool wxRichTextBuffer::InsertParagraphsWithUndo(long pos, const wxRichTextParagr
 }
 
 /// Submit command to insert paragraphs
 }
 
 /// Submit command to insert paragraphs

-bool wxRichTextParagraphLayoutBox::InsertParagraphsWithUndo(long pos, const wxRichTextParagraphLayoutBox& paragraphs, wxRichTextCtrl* ctrl, wxRichTextBuffer* buffer, int flags)
+bool wxRichTextParagraphLayoutBox::InsertParagraphsWithUndo(long pos, const wxRichTextParagraphLayoutBox& paragraphs, wxRichTextCtrl* ctrl, wxRichTextBuffer* buffer, int WXUNUSED(flags))

 {
     wxRichTextAction* action = new wxRichTextAction(NULL, _("Insert Text"), wxRICHTEXT_INSERT, buffer, this, ctrl, false);
 
 {
     wxRichTextAction* action = new wxRichTextAction(NULL, _("Insert Text"), wxRICHTEXT_INSERT, buffer, this, ctrl, false);
 

-    wxRichTextAttr attr(buffer->GetDefaultStyle());
-
-    wxRichTextAttr* p = NULL;
-    wxRichTextAttr paraAttr;
-    if (flags & wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE)
-    {
-        paraAttr = GetStyleForNewParagraph(buffer, pos);
-        if (!paraAttr.IsDefault())
-            p = & paraAttr;
-    }
-    else
-        p = & attr;
-

     action->GetNewParagraphs() = paragraphs;
 
     action->GetNewParagraphs() = paragraphs;
 

-    if (p && !p->IsDefault())
-    {
-        for (wxRichTextObjectList::compatibility_iterator node = action->GetNewParagraphs().GetChildren().GetFirst(); node; node = node->GetNext())
-        {
-            wxRichTextObject* child = node->GetData();
-            child->SetAttributes(*p);
-        }
-    }
-

     action->SetPosition(pos);
 
     wxRichTextRange range = wxRichTextRange(pos, pos + paragraphs.GetOwnRange().GetEnd() - 1);
     action->SetPosition(pos);
 
     wxRichTextRange range = wxRichTextRange(pos, pos + paragraphs.GetOwnRange().GetEnd() - 1);


@@ -7742,11 +7733,11 @@ bool wxRichTextBuffer::SetStyleSheetAndNotify(wxRichTextStyleSheet* sheet)
 {
     wxRichTextStyleSheet* oldSheet = GetStyleSheet();
 
 {
     wxRichTextStyleSheet* oldSheet = GetStyleSheet();
 

-    wxWindowID id = wxID_ANY;
+    wxWindowID winid = wxID_ANY;

     if (GetRichTextCtrl())
     if (GetRichTextCtrl())

-        id = GetRichTextCtrl()->GetId();
+        winid = GetRichTextCtrl()->GetId();

 
 

-    wxRichTextEvent event(wxEVT_COMMAND_RICHTEXT_STYLESHEET_REPLACING, id);
+    wxRichTextEvent event(wxEVT_COMMAND_RICHTEXT_STYLESHEET_REPLACING, winid);

     event.SetEventObject(GetRichTextCtrl());
     event.SetContainer(GetRichTextCtrl()->GetFocusObject());
     event.SetOldStyleSheet(oldSheet);
     event.SetEventObject(GetRichTextCtrl());
     event.SetContainer(GetRichTextCtrl()->GetFocusObject());
     event.SetOldStyleSheet(oldSheet);


@@ -7801,7 +7792,7 @@ int wxRichTextBuffer::HitTest(wxDC& dc, const wxPoint& pt, long& textPosition, w
 
 bool wxRichTextStdRenderer::DrawStandardBullet(wxRichTextParagraph* paragraph, wxDC& dc, const wxRichTextAttr& bulletAttr, const wxRect& rect)
 {
 
 bool wxRichTextStdRenderer::DrawStandardBullet(wxRichTextParagraph* paragraph, wxDC& dc, const wxRichTextAttr& bulletAttr, const wxRect& rect)
 {

-    if (bulletAttr.GetTextColour().Ok())
+    if (bulletAttr.GetTextColour().IsOk())

     {
         wxCheckSetPen(dc, wxPen(bulletAttr.GetTextColour()));
         wxCheckSetBrush(dc, wxBrush(bulletAttr.GetTextColour()));
     {
         wxCheckSetPen(dc, wxPen(bulletAttr.GetTextColour()));
         wxCheckSetBrush(dc, wxBrush(bulletAttr.GetTextColour()));


@@ -7901,7 +7892,7 @@ bool wxRichTextStdRenderer::DrawTextBullet(wxRichTextParagraph* paragraph, wxDC&
 
         wxCheckSetFont(dc, font);
 
 
         wxCheckSetFont(dc, font);
 

-        if (attr.GetTextColour().Ok())
+        if (attr.GetTextColour().IsOk())

             dc.SetTextForeground(attr.GetTextColour());
 
         dc.SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT);
             dc.SetTextForeground(attr.GetTextColour());
 
         dc.SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT);


@@ -8630,8 +8621,6 @@ bool wxRichTextTable::Layout(wxDC& dc, const wxRect& rect, int style)
             wxRichTextCell* cell = GetCell(j, i);
             if (cell->IsShown())
             {
             wxRichTextCell* cell = GetCell(j, i);
             if (cell->IsShown())
             {

-                wxASSERT(colWidths[i] > 0);
-

                 // 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)
                 // 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)


@@ -10164,7 +10153,7 @@ IMPLEMENT_CLASS(wxRichTextFileHandler, wxObject)
 bool wxRichTextFileHandler::LoadFile(wxRichTextBuffer *buffer, const wxString& filename)
 {
     wxFFileInputStream stream(filename);
 bool wxRichTextFileHandler::LoadFile(wxRichTextBuffer *buffer, const wxString& filename)
 {
     wxFFileInputStream stream(filename);

-    if (stream.Ok())
+    if (stream.IsOk())

         return LoadFile(buffer, stream);
 
     return false;
         return LoadFile(buffer, stream);
 
     return false;


@@ -10173,7 +10162,7 @@ bool wxRichTextFileHandler::LoadFile(wxRichTextBuffer *buffer, const wxString& f
 bool wxRichTextFileHandler::SaveFile(wxRichTextBuffer *buffer, const wxString& filename)
 {
     wxFFileOutputStream stream(filename);
 bool wxRichTextFileHandler::SaveFile(wxRichTextBuffer *buffer, const wxString& filename)
 {
     wxFFileOutputStream stream(filename);

-    if (stream.Ok())
+    if (stream.IsOk())

         return SaveFile(buffer, stream);
 
     return false;
         return SaveFile(buffer, stream);
 
     return false;


@@ -10428,8 +10417,13 @@ bool wxRichTextImageBlock::Load(wxImage& image)
 // Write data in hex to a stream
 bool wxRichTextImageBlock::WriteHex(wxOutputStream& stream)
 {
 // Write data in hex to a stream
 bool wxRichTextImageBlock::WriteHex(wxOutputStream& stream)
 {

-    const int bufSize = 512;
-    char buf[bufSize+1];
+    if (m_dataSize == 0)
+        return true;
+
+    int bufSize = 100000;
+    if (int(2*m_dataSize) < bufSize)
+        bufSize = 2*m_dataSize;
+    char* buf = new char[bufSize+1];

 
     int left = m_dataSize;
     int n, i, j;
 
     int left = m_dataSize;
     int n, i, j;


@@ -10455,6 +10449,7 @@ bool wxRichTextImageBlock::WriteHex(wxOutputStream& stream)
         buf[n] = 0;
         stream.Write((const char*) buf, n);
     }
         buf[n] = 0;
         stream.Write((const char*) buf, n);
     }

+    delete[] buf;

     return true;
 }
 
     return true;
 }
 


@@ -10501,7 +10496,7 @@ unsigned char* wxRichTextImageBlock::ReadBlock(wxInputStream& stream, size_t siz
 unsigned char* wxRichTextImageBlock::ReadBlock(const wxString& filename, size_t size)
 {
     wxFileInputStream stream(filename);
 unsigned char* wxRichTextImageBlock::ReadBlock(const wxString& filename, size_t size)
 {
     wxFileInputStream stream(filename);

-    if (!stream.Ok())
+    if (!stream.IsOk())

         return NULL;
 
     return ReadBlock(stream, size);
         return NULL;
 
     return ReadBlock(stream, size);


@@ -10519,7 +10514,7 @@ bool wxRichTextImageBlock::WriteBlock(wxOutputStream& stream, unsigned char* blo
 bool wxRichTextImageBlock::WriteBlock(const wxString& filename, unsigned char* block, size_t size)
 {
     wxFileOutputStream outStream(filename);
 bool wxRichTextImageBlock::WriteBlock(const wxString& filename, unsigned char* block, size_t size)
 {
     wxFileOutputStream outStream(filename);

-    if (!outStream.Ok())
+    if (!outStream.IsOk())

         return false;
 
     return WriteBlock(outStream, block, size);
         return false;
 
     return WriteBlock(outStream, block, size);