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Draw queued shadows in window stacking order.

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BUG: 172756

svn path=/trunk/KDE/kdebase/workspace/; revision=875189
This commit is contained in:
Lucas Murray 2008-10-23 15:34:05 +00:00
parent 78131acff8
commit 41cb8b3c86
1 changed files with 20 additions and 5 deletions
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25
effects/shadow.cpp
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@ -464,20 +464,35 @@ void ShadowEffect::addQuadVertices(QVector<float>& verts, float x1, float y1, fl
void ShadowEffect::drawQueuedShadows( EffectWindow* behindWindow ) void ShadowEffect::drawQueuedShadows( EffectWindow* behindWindow )
{ {
QList<ShadowData> newShadowDatas; QList<ShadowData> newShadowDatas;
QList<ShadowData> thisTime;
EffectWindowList stack = effects->stackingOrder(); EffectWindowList stack = effects->stackingOrder();
foreach( const ShadowData &d, shadowDatas ) foreach( const ShadowData &d, shadowDatas )
{ {
// If behindWindow is given then only render shadows of the windows // If behindWindow is given then only render shadows of the windows
// that are behind that window. // that are behind that window.
if( !behindWindow || stack.indexOf(d.w) < stack.indexOf(behindWindow)) if( !behindWindow || stack.indexOf(d.w) < stack.indexOf(behindWindow))
{ thisTime.append(d);
drawShadow( d.w, d.mask, d.region.subtracted( d.clip ), d.data );
}
else else
{
newShadowDatas.append(d); newShadowDatas.append(d);
}
} }
if( thisTime.count() )
{ // Render them in stacking order
foreach( EffectWindow *w, stack )
for( int i = 0; i < thisTime.size(); i++ )
{ // Cannot use foreach() due to thisTime.removeOne()
const ShadowData d = thisTime.at(i);
if( d.w == w )
{
drawShadow( d.w, d.mask,
d.region.subtracted( d.clip ), d.data );
thisTime.removeAt( i );
break;
}
}
}
// Render the rest on the top (For menus, etc.)
foreach( const ShadowData &d, thisTime )
drawShadow( d.w, d.mask, d.region.subtracted( d.clip ), d.data );
shadowDatas = newShadowDatas; shadowDatas = newShadowDatas;
} }