From 65e8fb4991fa7f62dbf6626bc628151c76f5d22f Mon Sep 17 00:00:00 2001
From: Walter Bender <walter.bender@gmail.com>
Date: Tue, 04 Dec 2012 17:51:35 +0000
Subject: set maximum fps when running from GNOME

---
(limited to 'TurtleArt/tawindow.py')

diff --git a/TurtleArt/tawindow.py b/TurtleArt/tawindow.py
index e726c2a..115347d 100644
--- a/TurtleArt/tawindow.py
+++ b/TurtleArt/tawindow.py
@@ -111,6 +111,8 @@ class TurtleArtWindow():
                 self.nick = profile.get_nick_name()
             else:
                 self.nick = None
+                self._lock = False
+                self._needs_redraw = False
             self._setup_events()
         else:
             self.interactive_mode = False
@@ -498,9 +500,24 @@ class TurtleArtWindow():
 
     def _expose_cb(self, win=None, event=None):
         ''' Repaint '''
+        if not self.running_sugar:
+            if self._lock:
+                self._needs_redraw = True
+                return False
+            self._needs_redraw = False
+            self._lock = True
+            gobject.timeout_add(20, self._unlock)
+
         self.do_expose_event(event)
         return True
 
+    def _unlock(self):
+        if self.running_sugar:
+            return
+        self._lock = False
+        if self._needs_redraw:
+            self.do_expose_event()
+
     def do_expose_event(self, event=None):
         ''' Handle the expose-event by drawing '''
 
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