From f3d12616808b76cbb0f0e44e2e91e6d30a3307ba Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20L=C3=BCbking?= <thomas.luebking@gmail.com>
Date: Fri, 25 Nov 2011 01:00:54 +0100
Subject: [PATCH] fix shadow quad update, allows to change shadow size with
 property update (been OpenGL issue only) fix TopLevel::visibleRect, broke
 shaded windows with empty (too big) shadows

REVIEW: 103231
(cherry picked from commit 535d40e7b4ca5a4431446c3d5c70e6d52f541fae)
---
 shadow.cpp   | 2 ++
 toplevel.cpp | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/shadow.cpp b/shadow.cpp
index e60144b356..ed610da93c 100644
--- a/shadow.cpp
+++ b/shadow.cpp
@@ -199,6 +199,8 @@ bool Shadow::updateShadow()
         return false;
     }
     init(data);
+    if (m_topLevel && m_topLevel->effectWindow())
+        m_topLevel->effectWindow()->buildQuads(true);
     return true;
 }
 
diff --git a/toplevel.cpp b/toplevel.cpp
index 89e29086fd..6b62fe87f9 100644
--- a/toplevel.cpp
+++ b/toplevel.cpp
@@ -146,7 +146,7 @@ void Toplevel::disownDataPassedToDeleted()
 
 QRect Toplevel::visibleRect() const
 {
-    if (hasShadow()) {
+    if (hasShadow() && !shadow()->shadowRegion().isEmpty()) {
         return shadow()->shadowRegion().boundingRect().translated(geometry().topLeft());
     }
     return geometry();