Set or disable undobuffer. Argument: size -- an integer or None If size is an integer an empty undobuffer of given size is installed. Size gives the maximum number of turtle-actions that can be undone by the undo() function. If size is None, no undob
(self, size)
| 2481 | self._update() |
| 2482 | |
| 2483 | def setundobuffer(self, size): |
| 2484 | """Set or disable undobuffer. |
| 2485 | |
| 2486 | Argument: |
| 2487 | size -- an integer or None |
| 2488 | |
| 2489 | If size is an integer an empty undobuffer of given size is installed. |
| 2490 | Size gives the maximum number of turtle-actions that can be undone |
| 2491 | by the undo() function. |
| 2492 | If size is None, no undobuffer is present. |
| 2493 | |
| 2494 | Example (for a Turtle instance named turtle): |
| 2495 | >>> turtle.setundobuffer(42) |
| 2496 | """ |
| 2497 | if size is None or size <= 0: |
| 2498 | self.undobuffer = None |
| 2499 | else: |
| 2500 | self.undobuffer = Tbuffer(size) |
| 2501 | |
| 2502 | def undobufferentries(self): |
| 2503 | """Return count of entries in the undobuffer. |