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Work around a Wine bug in wxDateTimePickerCtrl sizing

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Don't assume that all Vista and later systems support DTM_GETIDEALSIZE,
this is not the case under Wine even when it's emulating a Vista+
Windows version and trusting DTM_GETIDEALSIZE to always return the right
value resulted in these controls having 0 size and not being shown at
all when running wxWidgets programs under Wine.

See https://bugs.winehq.org/show_bug.cgi?id=44680
This commit is contained in:
Vadim Zeitlin
2018-03-07 15:12:21 +01:00
parent f99d3df9c0
commit 66fdf49ed8
1 changed files with 10 additions and 3 deletions
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13
src/msw/datetimectrl.cpp
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@@ -117,11 +117,18 @@ wxSize wxDateTimePickerCtrl::DoGetBestSize() const
if ( wxGetWinVersion() >= wxWinVersion_Vista ) if ( wxGetWinVersion() >= wxWinVersion_Vista )
{ {
SIZE idealSize; SIZE idealSize;
::SendMessage(m_hWnd, DTM_GETIDEALSIZE, 0, (LPARAM)&idealSize);
size = wxSize(idealSize.cx, idealSize.cy); // Work around https://bugs.winehq.org/show_bug.cgi?id=44680 by
// checking for the return value: even if all "real" MSW systems do
// support this message, Wine does not, even when it's configured to
// return Vista or later version to the application.
if ( ::SendMessage(m_hWnd, DTM_GETIDEALSIZE, 0, (LPARAM)&idealSize) )
{
size = wxSize(idealSize.cx, idealSize.cy);
}
} }
else // Windows XP
if ( !size.x || !size.y )
{ {
wxClientDC dc(const_cast<wxDateTimePickerCtrl *>(this)); wxClientDC dc(const_cast<wxDateTimePickerCtrl *>(this));