diff -r b72c6db6890b -r 5dc02b23752f src/gui/widgets/qtoolbar.h
--- a/src/gui/widgets/qtoolbar.h	Wed Jun 23 19:07:03 2010 +0300
+++ b/src/gui/widgets/qtoolbar.h	Tue Jul 06 15:10:48 2010 +0300
@@ -143,6 +143,7 @@
     void iconSizeChanged(const QSize &iconSize);
     void toolButtonStyleChanged(Qt::ToolButtonStyle toolButtonStyle);
     void topLevelChanged(bool topLevel);
+    void visibilityChanged(bool visible);
 
 protected:
     void actionEvent(QActionEvent *event);