AuroraMiddleware/wxWidgets
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Fix bug in wxMSW wxMessageDialog when the text was empty.

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Don't crash in ReplaceStaticWithEdit() dereferencing an invalid end()-1
iterator in this case, use the always valid rbegin() instead.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@63377 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin 2010-02-03 21:07:38 +00:00
parent 2dcf60dab4
commit d3019e4d0a
1 changed files with 3 additions and 2 deletions
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5
src/msw/msgdlg.cpp
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@ -246,11 +246,12 @@ void wxMessageDialog::ReplaceStaticWithEdit()
// ignored by the static control but result in extra lines and hence extra
// scrollbar position in the edit one
wxString text(wxGetWindowText(hwndStatic));
for ( wxString::iterator i = text.end() - 1; i != text.begin(); --i )
for ( wxString::reverse_iterator i = text.rbegin(); i != text.rend(); ++i )
{
if ( *i != '\n' )
{
text.erase(i + 1, text.end());
// found last non-newline char, remove everything after it and stop
text.erase(i.base() + 1, text.end());
break;
}
}