From 6a969aa16efde680a871f2a505b3c522dc72af87 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Gr=C3=A4=C3=9Flin?= <kde@martin-graesslin.com>
Date: Mon, 5 Jan 2009 14:18:58 +0000
Subject: [PATCH] Don't change brightness of windows on all desktops as this
 causes flickering. BUG: 170002

svn path=/trunk/KDE/kdebase/workspace/; revision=906087
---
 effects/desktopgrid.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/effects/desktopgrid.cpp b/effects/desktopgrid.cpp
index b038b6ee01..25b6a57ba9 100644
--- a/effects/desktopgrid.cpp
+++ b/effects/desktopgrid.cpp
@@ -211,8 +211,10 @@ void DesktopGridEffect::paintWindow( EffectWindow* w, int mask, QRegion region,
         {
         double xScale = data.xScale;
         double yScale = data.yScale;
-        
-        data.brightness *= 1.0 - ( 0.3 * ( 1.0 - hoverTimeline[paintingDesktop - 1].value() ));
+
+        // Don't change brightness of windows on all desktops as this causes flickering
+        if( !w->isOnAllDesktops() || w->isDesktop() )
+            data.brightness *= 1.0 - ( 0.3 * ( 1.0 - hoverTimeline[paintingDesktop - 1].value() ));
         
         for( int screen = 0; screen < effects->numScreens(); screen++ )
             {