@@ -1589,6 +1589,9 @@ class DotWidget(gtk.DrawingArea):

         if event.keyval == gtk.keysyms.r:

             self.reload()

             return True

+        if event.keyval == gtk.keysyms.q:

+            gtk.main_quit()

+            return True

         return False

     def get_drag_action(self, event):