diff -r b72c6db6890b -r 5dc02b23752f src/gui/itemviews/qitemselectionmodel.h
--- a/src/gui/itemviews/qitemselectionmodel.h	Wed Jun 23 19:07:03 2010 +0300
+++ b/src/gui/itemviews/qitemselectionmodel.h	Tue Jul 06 15:10:48 2010 +0300
@@ -108,6 +108,8 @@
                 && top() <= bottom() && left() <= right());
     }
 
+    bool isEmpty() const;
+
     QModelIndexList indexes() const;
 
 private: