From 6f3b9fae2a699e2397fca4e138353eb3218c22e5 Mon Sep 17 00:00:00 2001
From: Philipp Knechtges <philipp-dev@knechtges.com>
Date: Wed, 8 Feb 2012 16:41:02 +0100
Subject: [PATCH] kwin: fixing _NET_WM_OPAQUE_REGION related bug

The initial implementation forgot to consider the client borders.

BUG: 293574
FIXED-IN: 4.8.1
---
 scene.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scene.cpp b/scene.cpp
index 81ca9378a8..bb92fc1098 100644
--- a/scene.cpp
+++ b/scene.cpp
@@ -282,7 +282,7 @@ void Scene::paintSimpleScreen(int orig_mask, QRegion region)
             data.clip = w->clientShape().translated(w->x(), w->y());
         } else if (topw->hasAlpha() && topw->opacity() == 1.0) {
             // the window is partially opaque
-            data.clip = (w->clientShape() & topw->opaqueRegion()).translated(w->x(), w->y());
+            data.clip = (w->clientShape() & topw->opaqueRegion().translated(topw->clientPos())).translated(w->x(), w->y());
         } else {
             data.clip = QRegion();
         }