Lines Matching refs:UndoStack
56 self.UndoStack = []
596 self.UndoStack.append(saveState)
619 if len(self.UndoStack) > 0:
621 state = self.UndoStack.pop()
627 if len(self.UndoStack) == 0:
1314 if len(self.UndoStack) == 0 and len(self.RedoStack) == 0:
