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reuse code from wxDC::GetMultiLineTextExtent() instead of duplicating it here

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@32073 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin 2005-02-15 12:22:07 +00:00
parent d2fde247b6
commit 8812e09868
1 changed files with 8 additions and 65 deletions
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73
src/msw/stattext.cpp
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@ -127,74 +127,17 @@ WXDWORD wxStaticText::MSWGetStyle(long style, WXDWORD *exstyle) const
wxSize wxStaticText::DoGetBestSize() const
{
wxString text(wxGetWindowText(GetHWND()));
wxClientDC dc(wx_const_cast(wxStaticText *, this));
dc.SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
int widthTextMax = 0, widthLine,
heightTextTotal = 0, heightLineDefault = 0, heightLine = 0;
wxCoord widthTextMax, heightTextTotal;
dc.GetMultiLineTextExtent(GetLabel(), &widthTextMax, &heightTextTotal);
bool lastWasAmpersand = false;
wxString curLine;
for ( const wxChar *pc = text; ; pc++ )
{
if ( *pc == wxT('\n') || *pc == wxT('\0') )
{
if ( !curLine )
{
// we can't use GetTextExtent - it will return 0 for both width
// and height and an empty line should count in height
// calculation
if ( !heightLineDefault )
heightLineDefault = heightLine;
if ( !heightLineDefault )
GetTextExtent(_T("W"), NULL, &heightLineDefault);
heightTextTotal += heightLineDefault;
}
else
{
GetTextExtent(curLine, &widthLine, &heightLine);
if ( widthLine > widthTextMax )
widthTextMax = widthLine;
heightTextTotal += heightLine;
}
if ( *pc == wxT('\n') )
{
curLine.Empty();
}
else
{
// the end of string
break;
}
}
else
{
// we shouldn't take into account the '&' which just introduces the
// mnemonic characters and so are not shown on the screen -- except
// when it is preceded by another '&' in which case it stands for a
// literal ampersand
if ( *pc == _T('&') )
{
if ( !lastWasAmpersand )
{
lastWasAmpersand = true;
// skip the statement adding pc to curLine below
continue;
}
// it is a literal ampersand
lastWasAmpersand = false;
}
curLine += *pc;
}
}
#ifdef __WXWINCE__
if(widthTextMax) widthTextMax += 2;
#endif
if ( widthTextMax )
widthTextMax += 2;
#endif // __WXWINCE__
return wxSize(widthTextMax, heightTextTotal);
}