added QtGui.QMainWindow.closeEvent() to make sure the close event

Thomas A Caswell · tacaswell · commit ee4feb31d8c2 · 2013-01-17T17:23:12.000-06:00
cascades up properly. issue #1676
diff --git a/lib/matplotlib/backends/backend_qt4.py b/lib/matplotlib/backends/backend_qt4.py
@@ -370,6 +370,7 @@ def idle_draw(*args):
 class MainWindow(QtGui.QMainWindow):
     def closeEvent(self, event):
         self.emit(QtCore.SIGNAL('closing()'))
+        QtGui.QMainWindow.closeEvent(self,event)
 
 class FigureManagerQT( FigureManagerBase ):
     """
