如何在emacs中编写一个键绑定，方便重复？ [英] How to write a key bindings in emacs for easy repeat?

问题描述

假设我将密钥绑定到某个功能如下：

Let's say I bind the key to a certain function as follows:

(global-set-key (kbd "C-c =") 'function-foo)

现在，我希望键绑定工作如下： >
第一次按下 Cc = 后，如果我想重复功能-foo，我不需要按 Cc 再次，但只是重复按 = 。然后，在调用函数foo足够的时间后，我可以按 = 之类的键（或显式地按 Cg

Now, I want the key binding to work as:
After I press C-c = for the first time, if I want to repeat the function-foo, I don't need to press C-c again, but simply repeat pressing =. Then, after I call the function-foo for enough times, I can just press keys other than = (or explicitly press C-g) to quit.

如何做？

推荐答案

这可能是你正在寻找的东西：

This may be the thing you are looking for:

(defun function-foo ()
  (interactive)
  (do-your-thing)
  (set-temporary-overlay-map
    (let ((map (make-sparse-keymap)))
      (define-key map (kbd "=") 'function-foo)
      map)))

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