From ee4feb31d8c2abb71b09edb0fccf3c28c75a2af7 Mon Sep 17 00:00:00 2001
From: Thomas A Caswell <“tcaswell@gmail.com”>
Date: Thu, 17 Jan 2013 09:51:29 -0600
Subject: [PATCH 1/2] added QtGui.QMainWindow.closeEvent() to make sure the
 close event cascades up properly.

issue #1676
---
 lib/matplotlib/backends/backend_qt4.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/matplotlib/backends/backend_qt4.py b/lib/matplotlib/backends/backend_qt4.py
index ec69f45e5959..e0e09c05119f 100644
--- 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 ):
     """

From 072948971249bcc2ea13a56d2a6f8ae726ee5e72 Mon Sep 17 00:00:00 2001
From: Thomas A Caswell <“tcaswell@gmail.com”>
Date: Thu, 17 Jan 2013 18:32:00 -0600
Subject: [PATCH 2/2] PEP8 fix

---
 lib/matplotlib/backends/backend_qt4.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/matplotlib/backends/backend_qt4.py b/lib/matplotlib/backends/backend_qt4.py
index e0e09c05119f..6904799d46fd 100644
--- a/lib/matplotlib/backends/backend_qt4.py
+++ b/lib/matplotlib/backends/backend_qt4.py
@@ -370,7 +370,7 @@ def idle_draw(*args):
 class MainWindow(QtGui.QMainWindow):
     def closeEvent(self, event):
         self.emit(QtCore.SIGNAL('closing()'))
-        QtGui.QMainWindow.closeEvent(self,event)
+        QtGui.QMainWindow.closeEvent(self, event)
 
 class FigureManagerQT( FigureManagerBase ):
     """