按住加速键进行撤消时性能较差
我绑定了一个菜单项来调用 jtextpane 上撤消管理器的撤消方法，并为标准 Ctrl-Z 的撤消调用分配了一个“加速器”组合键。撤消的行为正如我所希望的那样，除非我按住 Ctrl-Z。当我这样做时，撤消会以不可预测的节奏执行，通常会冻结 5 秒，然后立即执行一批撤消。我不知道为什么会发生这种情况，因为如果我快速按 Ctrl-Z，它的速度似乎没有限制，这意味着撤消方法不存在内在的性能问题。
I have bound a menu item to invoke the undo method of an undomanager on a jtextpane, and assigned an "accelerator" key combination to that undo invoke of the standard Ctrl-Z. The undo behaves just as I would like it to, unless I hold down Ctrl-Z. When I do that, the undo's are performed at an unpredictable cadence, often freezing for 5 seconds, then doing a batch of undos all at once. I do not know why this is happening, becuase if I rapidly press Ctrl-Z there seems to be no limit to how fast it will go, implying there is no intrinsic performance issue with the undo method.
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难道你把按键重复延迟误认为是“冻结”？
Could it be that you're mistaking the key repeat delay for the "freezing"?