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erase background using the window background colour when using wxBG_STYLE_ERASE/SYSTEM

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@61125 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin 2009-06-18 23:00:49 +00:00
parent c22ace4dff
commit 6a5594e00d
1 changed files with 35 additions and 18 deletions
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33
src/osx/window_osx.cpp
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@ -1755,27 +1755,44 @@ bool wxWindowMac::MacDoRedraw( long time )
// first send an erase event to the entire update area
const wxBackgroundStyle bgStyle = GetBackgroundStyle();
if ( bgStyle == wxBG_STYLE_ERASE )
switch ( bgStyle )
{
// for the toplevel window this really is the entire area
// for all the others only their client area, otherwise they
// might be drawing with full alpha and eg put blue into
// the grow-box area of a scrolled window (scroll sample)
case wxBG_STYLE_ERASE:
case wxBG_STYLE_SYSTEM:
{
// for the toplevel window this really is the entire area for
// all the others only their client area, otherwise they might
// be drawing with full alpha and eg put blue into the grow-box
// area of a scrolled window (scroll sample)
wxWindowDC dc(this);
if ( IsTopLevel() )
dc.SetDeviceClippingRegion(formerUpdateRgn);
else
dc.SetDeviceClippingRegion(clientUpdateRgn);
if ( bgStyle == wxBG_STYLE_ERASE )
{
wxEraseEvent eevent( GetId(), &dc );
eevent.SetEventObject( this );
if ( !ProcessWindowEvent( eevent ) )
{
if ( bgStyle == wxBG_STYLE_SYSTEM && MacGetTopLevelWindow() )
if ( ProcessWindowEvent( eevent ) )
break;
}
if ( MacGetTopLevelWindow() )
{
dc.SetBackground(GetBackgroundColour());
dc.Clear();
}
}
break;
case wxBG_STYLE_PAINT:
// nothing to do, user-defined EVT_PAINT handler will overwrite the
// entire window client area
break;
default:
wxFAIL_MSG( "unsupported background style" );
}
MacPaintGrowBox();