X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/52112306b0269b0c3317f0cb29f7155e6fd2a913..113e0a926f3bc7994ca911d238da35c9be798232:/src/richtext/richtextbuffer.cpp

diff --git a/src/richtext/richtextbuffer.cpp b/src/richtext/richtextbuffer.cpp
index 85c67e3122..c095af9c78 100644
--- a/src/richtext/richtextbuffer.cpp
+++ b/src/richtext/richtextbuffer.cpp
@@ -2637,49 +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())
     {
-        wxRichTextRange topTailRange(range);
-
         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
-        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
-            long end;
-            fragment.CalculateRange(firstPara->GetRange().GetStart(), end);
+            fragment.CalculateRange(0, end);
 
             // 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;
-            fragment.CalculateRange(firstPara->GetRange().GetStart(), end);
+            fragment.CalculateRange(0, end);
 
             // 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);
         }
     }
 
@@ -7721,11 +7733,11 @@ bool wxRichTextBuffer::SetStyleSheetAndNotify(wxRichTextStyleSheet* sheet)
 {
     wxRichTextStyleSheet* oldSheet = GetStyleSheet();
 
-    wxWindowID id = wxID_ANY;
+    wxWindowID winid = wxID_ANY;
     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);
@@ -10405,8 +10417,13 @@ bool wxRichTextImageBlock::Load(wxImage& image)
 // 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;
@@ -10432,6 +10449,7 @@ bool wxRichTextImageBlock::WriteHex(wxOutputStream& stream)
         buf[n] = 0;
         stream.Write((const char*) buf, n);
     }
+    delete[] buf;
     return true;
 }