Compress possible several reasons for resetting compositing.

svn path=/trunk/KDE/kdebase/workspace/; revision=923836

events.cpp

@@ -510,10 +510,7 @@ bool Workspace::workspaceEvent( XEvent * e )
                     bool changed = ( xrrRefreshRate != XRRConfigCurrentRate( config ));
                     XRRFreeScreenConfigInfo( config );
                     if( changed )
-                        {
-                        finishCompositing();
-                        QTimer::singleShot( 0, this, SLOT( setupCompositing() ) );
-                        }
+                        compositeResetTimer.start( 0 );
                     }
 #endif
                 }

geometry.cpp

@@ -65,10 +65,7 @@ void Workspace::desktopResized()
     destroyElectricBorders();
     updateElectricBorders();
     if( compositing() )
-        {
-        finishCompositing();
-        QTimer::singleShot( 0, this, SLOT( setupCompositing() ) );
-        }
+        compositeResetTimer.start( 0 );
     }
 
 /*!

workspace.cpp

@@ -172,7 +172,9 @@ Workspace::Workspace( bool restore )
         this, SLOT( gotTemporaryRulesMessage(const QString&) ));
     connect( &rulesUpdatedTimer, SIGNAL( timeout() ), this, SLOT( writeWindowRules() ));
     connect( &unredirectTimer, SIGNAL( timeout() ), this, SLOT( delayedCheckUnredirect() ));
+    connect( &compositeResetTimer, SIGNAL( timeout()), this, SLOT( resetCompositing()));
     unredirectTimer.setSingleShot( true );
+    compositeResetTimer.setSingleShot( true );
 
     updateXTime(); // Needed for proper initialization of user_time in Client ctor
 

workspace.h

@@ -785,6 +785,7 @@ class Workspace : public QObject, public KDecorationDefines
         QTimer unredirectTimer;
         bool forceUnredirectCheck;
         QList< int > composite_paint_times;
+        QTimer compositeResetTimer; // for compressing composite resets
 
     private:
         friend bool performTransiencyCheck();