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Don't cause painting in unrelated parts.

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svn path=/trunk/KDE/kdebase/workspace/; revision=728509
This commit is contained in:
Luboš Luňák 2007-10-23 14:20:37 +00:00
parent b33ce330ca
commit 2922ef272e
1 changed files with 4 additions and 1 deletions
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5
effects/shadow.cpp
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@ -13,6 +13,7 @@ License. See the file "COPYING" for the exact licensing terms.
#include <kwinglutils.h>
#include <kconfiggroup.h>
#include <kdebug.h>
#include <KStandardDirs>
namespace KWin
@ -46,7 +47,9 @@ void ShadowEffect::prePaintWindow( EffectWindow* w, WindowPrePaintData& data, in
if( useShadow( w ))
{
data.mask |= PAINT_WINDOW_TRANSLUCENT;
data.paint |= QRegion( shadowRectangle( ( QRegion( w->geometry()) & data.paint ).boundingRect() ));
QRect r = ( QRegion( w->geometry()) & data.paint ).boundingRect();
if( !r.isEmpty())
data.paint |= shadowRectangle( r );
}
effects->prePaintWindow( w, data, time );
}