From a87e8f7a1070b357185dbbe69bf0b98a8da247b8 Mon Sep 17 00:00:00 2001
From: Friedemann Kleint <Friedemann.Kleint@digia.com>
Date: Thu, 21 Mar 2013 09:00:00 +0100
Subject: [PATCH] Show warning about QBackingStore::flush() only for toplevel
 windows.
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Task-number: QTBUG-30181

Change-Id: I8c9b515af022cb204649cb1e1f344f73a224c8b7
Reviewed-by: Samuel Rødal <samuel.rodal@digia.com>
---
 src/gui/painting/qbackingstore.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/gui/painting/qbackingstore.cpp b/src/gui/painting/qbackingstore.cpp
index fb47e62d11..cd3f935c5b 100644
--- a/src/gui/painting/qbackingstore.cpp
+++ b/src/gui/painting/qbackingstore.cpp
@@ -98,7 +98,7 @@ void QBackingStore::flush(const QRegion &region, QWindow *win, const QPoint &off
     if (!win)
         win = window();
 
-    if (win && !qt_window_private(win)->receivedExpose) {
+    if (win && win->isTopLevel() && !qt_window_private(win)->receivedExpose) {
         qWarning().nospace() << "QBackingStore::flush() called with non-exposed window "
             << win << ", behavior is undefined";
     }