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)
| 2666 | self._update() |
| 2667 | |
| 2668 | def setundobuffer(self, size): |
| 2669 | """Set or disable undobuffer. |
| 2670 | |
| 2671 | Argument: |
| 2672 | size -- an integer or None |
| 2673 | |
| 2674 | If size is an integer an empty undobuffer of given size is installed. |
| 2675 | Size gives the maximum number of turtle-actions that can be undone |
| 2676 | by the undo() function. |
| 2677 | If size is None, no undobuffer is present. |
| 2678 | |
| 2679 | Example (for a Turtle instance named turtle): |
| 2680 | >>> turtle.setundobuffer(42) |
| 2681 | """ |
| 2682 | if size is None or size <= 0: |
| 2683 | self.undobuffer = None |
| 2684 | else: |
| 2685 | self.undobuffer = Tbuffer(size) |
| 2686 | |
| 2687 | def undobufferentries(self): |
| 2688 | """Return count of entries in the undobuffer. |