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fix various glitches regarding the stacking order and multiple paints due to ARBG decos as discussed on kwin-devel

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svn path=/trunk/KDE/kdebase/workspace/; revision=987056
This commit is contained in:
Thomas Lübking 2009-06-25 12:54:47 +00:00
parent a20ba6a900
commit 794c36df97
1 changed files with 17 additions and 4 deletions
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21
effects/shadow/shadow.cpp
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@ -194,21 +194,34 @@ void ShadowEffect::prePaintWindow( EffectWindow* w, WindowPrePaintData& data, in
void ShadowEffect::drawWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data )
{
// Whether the shadow drawing can be delayed or not.
bool optimize = !( mask & ( PAINT_WINDOW_TRANSFORMED | PAINT_SCREEN_TRANSFORMED |
PAINT_SCREEN_WITH_TRANSFORMED_WINDOWS | PAINT_WINDOW_TRANSLUCENT ));
bool optimize = !(mask & ( PAINT_WINDOW_TRANSFORMED | PAINT_SCREEN_TRANSFORMED |
PAINT_SCREEN_WITH_TRANSFORMED_WINDOWS | PAINT_WINDOW_TRANSLUCENT | PAINT_DECORATION_ONLY ));
QRegion rgn = region;
if ( w->keepAbove() )
{
QRegion shape = w->shape().translated( w->x(), w->y());
if (optimize)
{
rgn -= shape;
foreach( ShadowData d, shadowDatas )
d.clip |= shape;
}
optimize = false;
}
if( !optimize )
{
// Transformed or translucent windows are drawn bottom-to-top, so
// first we need to draw all queued shadows.
drawQueuedShadows( w );
}
if( useShadow( w ))
if( useShadow( w ) && (!(mask & PAINT_DECORATION_ONLY) || w->keepAbove()) )
{
if( !optimize )
{
// For translucent windows, shadow needs to be drawn before the
// window itself.
drawShadow( w, mask, region, data );
drawShadow( w, mask, rgn, data );
}
else
{