diff -r b72c6db6890b -r 5dc02b23752f src/gui/graphicsview/qgraphicswidget_p.h
--- a/src/gui/graphicsview/qgraphicswidget_p.h	Wed Jun 23 19:07:03 2010 +0300
+++ b/src/gui/graphicsview/qgraphicswidget_p.h	Tue Jul 06 15:10:48 2010 +0300
@@ -80,6 +80,7 @@
           inSetGeometry(0),
           polished(0),
           inSetPos(0),
+          autoFillBackground(0),
           focusPolicy(Qt::NoFocus),
           focusNext(0),
           focusPrev(0),
@@ -130,6 +131,14 @@
     void windowFrameHoverLeaveEvent(QGraphicsSceneHoverEvent *event);
     bool hasDecoration() const;
 
+    // Private Properties
+    qreal width() const;
+    void setWidth(qreal);
+    void resetWidth();
+
+    qreal height() const;
+    void setHeight(qreal);
+    void resetHeight();
     void setGeometryFromSetPos();
 
     // State
@@ -174,6 +183,7 @@
     quint32 inSetGeometry : 1;
     quint32 polished: 1;
     quint32 inSetPos : 1;
+    quint32 autoFillBackground : 1;
 
     // Focus
     Qt::FocusPolicy focusPolicy;