From a8366d49ddfc081f505ced08ebe101a6088f6aa0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lubo=C5=A1=20Lu=C5=88=C3=A1k?= <l.lunak@kde.org>
Date: Wed, 1 Oct 2008 11:55:44 +0000
Subject: [PATCH] r866586 Avoid drawing corruptions caused by window geometry
 and shape being out of sync (bnc#430472).

svn path=/branches/KDE/4.1/kdebase/workspace/; revision=866589
---
 scene.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/scene.cpp b/scene.cpp
index 5c48cdc40e..9a9d3deabd 100644
--- a/scene.cpp
+++ b/scene.cpp
@@ -355,6 +355,8 @@ QRegion Scene::Window::shape() const
                     shape_region += QRegion( rects[ i ].x, rects[ i ].y,
                         rects[ i ].width, rects[ i ].height );
                 XFree(rects);
+                // make sure the shape is sane (X is async, maybe even XShape is broken)
+                shape_region &= QRegion( 0, 0, width(), height());
                 }
             else
                 shape_region = QRegion();