Disable shadow with effects that transform windows, such as wobbly,

since shadow currently can't handle that.
(bug 161330)


svn path=/branches/KDE/4.1/kdebase/workspace/; revision=862313

effects/shadow.cpp

@@ -174,7 +174,7 @@ void ShadowEffect::paintScreen( int mask, QRegion region, ScreenPaintData& data
 
 void ShadowEffect::prePaintWindow( EffectWindow* w, WindowPrePaintData& data, int time )
     {
-    if( useShadow( w ))
+    if( useShadow( w ) && !data.quads.isTransformed())
         {
         data.paint |= shadowRectangle( data.paint.boundingRect() );
         }
@@ -192,7 +192,7 @@ void ShadowEffect::drawWindow( EffectWindow* w, int mask, QRegion region, Window
         //  first we need to draw all queued shadows.
         drawQueuedShadows( w );
         }
-    if( useShadow( w ))
+    if( useShadow( w ) && !data.quads.isTransformed())
         {
         if( !optimize )
             {

lib/kwineffects.cpp

@@ -741,6 +741,14 @@ bool WindowQuadList::smoothNeeded() const
     return false;
     }
 
+bool WindowQuadList::isTransformed() const
+    {
+    foreach( WindowQuad q, *this )
+        if( q.isTransformed())
+            return true;
+    return false;
+    }
+
 /***************************************************************
  PaintClipper
 ***************************************************************/

lib/kwineffects.h

@@ -831,6 +831,7 @@ class KWIN_EXPORT WindowQuadList
         WindowQuadList filterOut( WindowQuadType type ) const;
         bool smoothNeeded() const;
         void makeArrays( float** vertices, float** texcoords ) const;
+        bool isTransformed() const;
     };
 
 class KWIN_EXPORT WindowPrePaintData