SF.net SVN: matplotlib:[8697] branches/v1_0_maint/lib/matplotlib/backends/ backend_gtk.py

[<ry...@us...>]

Revision: 8697
          http://matplotlib.svn.sourceforge.net/matplotlib/?rev=8697&view=rev
Author:   ryanmay
Date:     2010-09-11 19:03:52 +0000 (Sat, 11 Sep 2010)

Log Message:
-----------
Handle multple calls to GTKTimer.start() by stopping any existing gtk timer id.

Modified Paths:
--------------
    branches/v1_0_maint/lib/matplotlib/backends/backend_gtk.py

Modified: branches/v1_0_maint/lib/matplotlib/backends/backend_gtk.py
===================================================================
--- branches/v1_0_maint/lib/matplotlib/backends/backend_gtk.py	2010-09-11 19:02:38 UTC (rev 8696)
+++ branches/v1_0_maint/lib/matplotlib/backends/backend_gtk.py	2010-09-11 19:03:52 UTC (rev 8697)
@@ -101,6 +101,9 @@
         functions add_callback and remove_callback can be used.
     '''
     def _timer_start(self):
+        # Need to stop it, otherwise we potentially leak a timer id that will
+        # never be stopped.
+        self._timer_stop()
         self._timer = gobject.timeout_add(self._interval, self._on_timer)
 
     def _timer_stop(self):
@@ -109,6 +112,7 @@
             self._timer = None
 
     def _timer_set_interval(self):
+        # Only stop and restart it if the timer has already been started
         if self._timer is not None:
             self._timer_stop()
             self._timer_start()


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