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Fixed #13017: wxRichTextCtrl CopyToClipboard regression

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@67132 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Julian Smart
2011-03-06 09:09:42 +00:00
parent 902ddbfd3e
commit 0e190fa2b4
1 changed files with 39 additions and 27 deletions
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66
src/richtext/richtextbuffer.cpp
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@@ -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 );
// Chop off the start of the paragraph
if (topTailRange.GetStart() > firstPara->GetRange().GetStart())
{
wxRichTextRange r(firstPara->GetRange().GetStart(), topTailRange.GetStart()-1);
firstPara->DeleteRange(r);
// Make sure the numbering is correct
long end;
fragment.CalculateRange(firstPara->GetRange().GetStart(), end);
// Now, we've deleted some positions, so adjust the range
// accordingly.
topTailRange.SetEnd(topTailRange.GetEnd() - r.GetLength());
}
wxRichTextParagraph* lastPara = wxDynamicCast(fragment.GetChildren().GetLast()->GetData(), wxRichTextParagraph);
wxASSERT( lastPara != NULL );
if (topTailRange.GetEnd() < (lastPara->GetRange().GetEnd()-1))
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() > 0)
{
wxRichTextRange r(topTailRange.GetEnd()+1, lastPara->GetRange().GetEnd()-1); /* -1 since actual text ends 1 position before end of para marker */
lastPara->DeleteRange(r);
wxRichTextRange r(0, topTailRange.GetStart()-1);
firstPara->DeleteRange(r);
// Make sure the numbering is correct
fragment.CalculateRange(0, end);
// 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());
}
if (topTailRange.GetStart() < (lastPara->GetRange().GetEnd()-1))
{
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);
}
}