From 15098c5ec73db5de8ca724f744a1484f888ed271 Mon Sep 17 00:00:00 2001
From: Bjoern Erik Nilsen <bjorn.nilsen@nokia.com>
Date: Thu, 26 Mar 2009 17:05:59 +0100
Subject: Fixes:    Do not update children if not required.

AutoTest: Still pass
---
 src/gui/graphicsview/qgraphicsitem.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/gui/graphicsview/qgraphicsitem.cpp b/src/gui/graphicsview/qgraphicsitem.cpp
index c691206..b4f36de 100644
--- a/src/gui/graphicsview/qgraphicsitem.cpp
+++ b/src/gui/graphicsview/qgraphicsitem.cpp
@@ -1583,9 +1583,10 @@ void QGraphicsItemPrivate::setVisibleHelper(bool newVisible, bool explicitly, bo
     }
 
     // Update children with explicitly = false.
+    const bool updateChildren = update && !(flags & QGraphicsItem::ItemClipsChildrenToShape);
     foreach (QGraphicsItem *child, children) {
         if (!newVisible || !child->d_ptr->explicitlyHidden)
-            child->d_ptr->setVisibleHelper(newVisible, false);
+            child->d_ptr->setVisibleHelper(newVisible, false, updateChildren);
     }
 
     // Enable subfocus
-- 
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