SF.net SVN: matplotlib:[6772] trunk/matplotlib

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

Revision: 6772
          http://matplotlib.svn.sourceforge.net/matplotlib/?rev=6772&view=rev
Author:   jdh2358
Date:     2009-01-10 20:05:24 +0000 (Sat, 10 Jan 2009)

Log Message:
-----------
michiel's backend qt draw idle patch - sf id 2468809

Modified Paths:
--------------
    trunk/matplotlib/CHANGELOG
    trunk/matplotlib/lib/matplotlib/backends/backend_qt4.py

Modified: trunk/matplotlib/CHANGELOG
===================================================================
--- trunk/matplotlib/CHANGELOG	2009-01-10 20:03:59 UTC (rev 6771)
+++ trunk/matplotlib/CHANGELOG	2009-01-10 20:05:24 UTC (rev 6772)
@@ -1,5 +1,6 @@
-2009-01-10 Applied Michiel's hatch patch for macosx backend.  Closes
-           sf patch 2497785 - JDH
+2009-01-10 Applied Michiel's hatch patch for macosx backend and
+           draw_idle patch for qt.  Closes sf patched 2497785 and
+           2468809 - JDH
 
 2009-01-06 Fix bug in setting of dashed negative contours. - EF
 

Modified: trunk/matplotlib/lib/matplotlib/backends/backend_qt4.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/backends/backend_qt4.py	2009-01-10 20:03:59 UTC (rev 6771)
+++ trunk/matplotlib/lib/matplotlib/backends/backend_qt4.py	2009-01-10 20:05:24 UTC (rev 6772)
@@ -37,7 +37,7 @@
     if matplotlib.is_interactive():
         figManager =  Gcf.get_active()
         if figManager != None:
-            figManager.canvas.draw()
+            figManager.canvas.draw_idle()
 
 def _create_qApp():
     """
@@ -97,6 +97,7 @@
         FigureCanvasBase.__init__( self, figure )
         self.figure = figure
         self.setMouseTracking( True )
+        self._idle = True
         # hide until we can test and fix
         #self.startTimer(backend_IdleEvent.milliseconds)
         w,h = self.get_width_height()
@@ -198,6 +199,15 @@
         FigureCanvasBase.stop_event_loop_default(self)
     stop_event_loop.__doc__=FigureCanvasBase.stop_event_loop_default.__doc__
 
+    def draw_idle(self):
+        'update drawing area only if idle'
+        d = self._idle
+        self._idle = False
+        def idle_draw(*args):
+            self.draw()
+            self._idle = True
+        if d: QtCore.QTimer.singleShot(0, idle_draw)
+
 class FigureManagerQT( FigureManagerBase ):
     """
     Public attributes


This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.