Return count of entries in the undobuffer. No argument. Example (for a Turtle instance named turtle): >>> while undobufferentries(): ... undo()
(self)
| 2685 | self.undobuffer = Tbuffer(size) |
| 2686 | |
| 2687 | def undobufferentries(self): |
| 2688 | """Return count of entries in the undobuffer. |
| 2689 | |
| 2690 | No argument. |
| 2691 | |
| 2692 | Example (for a Turtle instance named turtle): |
| 2693 | >>> while undobufferentries(): |
| 2694 | ... undo() |
| 2695 | """ |
| 2696 | if self.undobuffer is None: |
| 2697 | return 0 |
| 2698 | return self.undobuffer.nr_of_items() |
| 2699 | |
| 2700 | def _clear(self): |
| 2701 | """Delete all of pen's drawings""" |