diff -r 56cd8111b7f7 -r 41300fa6a67c src/gui/graphicsview/qgraphicswidget_p.h
--- a/src/gui/graphicsview/qgraphicswidget_p.h	Tue Jan 26 12:42:25 2010 +0200
+++ b/src/gui/graphicsview/qgraphicswidget_p.h	Tue Feb 02 00:43:10 2010 +0200
@@ -98,7 +98,7 @@
     mutable qreal *margins;
     void ensureMargins() const;
 
-    void fixFocusChainBeforeReparenting(QGraphicsWidget *newParent, QGraphicsScene *newScene = 0);
+    void fixFocusChainBeforeReparenting(QGraphicsWidget *newParent, QGraphicsScene *oldScene, QGraphicsScene *newScene = 0);
     void setLayout_helper(QGraphicsLayout *l);
 
     // Layouts