SF.net SVN: matplotlib:[7221] trunk/matplotlib/lib/matplotlib/backend_bases .py

[<jd...@us...>]

Revision: 7221
          http://matplotlib.svn.sourceforge.net/matplotlib/?rev=7221&view=rev
Author:   jdh2358
Date:     2009-06-14 17:38:12 +0000 (Sun, 14 Jun 2009)

Log Message:
-----------
fixed a press/release pan bug when mouse button=2 as described in sf bug 2805312

Modified Paths:
--------------
    trunk/matplotlib/lib/matplotlib/backend_bases.py

Modified: trunk/matplotlib/lib/matplotlib/backend_bases.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/backend_bases.py	2009-06-14 17:34:40 UTC (rev 7220)
+++ trunk/matplotlib/lib/matplotlib/backend_bases.py	2009-06-14 17:38:12 UTC (rev 7221)
@@ -2007,6 +2007,9 @@
 
     def release_pan(self, event):
         'the release mouse button callback in pan/zoom mode'
+
+        if self._button_pressed is None:
+            return
         self.canvas.mpl_disconnect(self._idDrag)
         self._idDrag=self.canvas.mpl_connect('motion_notify_event', self.mouse_move)
         for a, ind in self._xypress:


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