qt-bugs@ issue : N199058

Trolltech task ID : none

applied: no

author: Frerich Raabe <raabe@kde.org>

Fixes a crash in QGraphicsProxyWidget which was triggered when no

QGraphicsProxyWidget item in a QGraphicsScene had a QWidget associated

with it. As soon as the user pressed <Tab>, QGraphicsProxyWidget

attempted to give the focus to *some* QWidget (even if it was null).

Index: src/gui/graphicsview/qgraphicsproxywidget.cpp

===================================================================

--- src/gui/graphicsview/qgraphicsproxywidget.cpp	(revision 775038)

+++ src/gui/graphicsview/qgraphicsproxywidget.cpp	(working copy)

@@ -323,6 +323,10 @@

 	}

     }

+    if (!child) {

+	return 0;

+    }

+

     QWidget *oldChild = child;

     do {

         if (child->isEnabled()