Lines Matching refs:undo

52     from idlelib.undo import UndoDelegator
259         self.undo = undo = self.UndoDelegator()
260         per.insertfilter(undo)
261         text.undo_block_start = undo.undo_block_start
262         text.undo_block_stop = undo.undo_block_stop
263         undo.set_saved_change_hook(self.saved_change_hook)
785             self.per.removefilter(self.undo)
787             self.per.insertfilter(self.undo)
1006         return self.undo.get_saved()
1009         self.undo.set_saved(flag)
1012         self.undo.reset_undo()
1082         self.undo = None