定义键盘退出的新功能并突出显示 [英] define a new function for keyboard-quit and highlight clearup

问题描述

我很喜欢elisp，而且我正在尝试定义一个功能来在搜索时设置高亮行为。目标是：在 i-search 之后，我想要使用 Cg 清除高亮，但我想

所以我在我的 init.el 中定义了一个函数： / p>

 （defun keyboard-quit-cleanup（）
键盘退出后清理highligh
（键盘-quit）
（lazy-highlight-cleanup））
（全局设置键（kbdCg）'（键盘退出清理））
  

无论如何，它不起作用。这里有什么问题？

谢谢！

解决方案

恐怕：）

1. 您的全局设置键被破坏：

    （global-set-key（kbdCg）'keyboard-quit-cleanup）
     

   不：

    （global-set-key（kbdCg）'（keyboard-quit-cleanup））
     

   （你在哪里看到那个？）




2. 你的自定义函数不是交互式命令，所以你不能把它绑定到关键。它需要是：

    （defun keyboard-quit-cleanup（）
   清除键盘退出后的亮点。 
   （交互式）
    ...）
     




3. 想要使用 FORCE 参数 lazy-highlight-cleanup







Cg 绑定到 isearch-abort isearch-mode-map keymap。





（编辑：评论，搞乱了全局绑定肯定是一个坏主意，绝对有一些与之相关的特殊行为，你不想冒险破坏它。）




4. 当您希望为标准行为添加额外的行为时，您可能希望使用挂钩（优先）或某些建议。在这种情况下，我们可以使用一个方便的钩子。

   
   
   

   请参阅 Ch v isearch -mode-end-hook RET

    （add-hook'isearch-mode-end-hook'my-isearch-end）
   （defun my-isearch-end（）
   isearch-mode-end-hook的自定义行为'
   （当isearch-mode-end-hook-quit 
   （lazy-highlight-cleanup t）））
     

（我假设你有 lazy-highlight-cleanup 设置为 nil 通常情况下，默认情况下会进行清理。）

I am pretty new to elisp, and i was trying to define a function to set highlight behavior while searching. The goal is: after i-search, I want to be able to clear the highlight with C-g, but I want the highlight to remain if I press enter.

So i defined a function in my init.el as:

(defun keyboard-quit-cleanup ()
  "clean up highligh after keyboard quit"
  (keyboard-quit)
  (lazy-highlight-cleanup))
(global-set-key (kbd "C-g") '(keyboard-quit-cleanup))

how-ever, it doesn't work. What's wrong here?

thanks!

解决方案

Lots of things, I'm afraid :)

1. Your global-set-key is broken:

   (global-set-key (kbd "C-g") 'keyboard-quit-cleanup)
   

   not:

   (global-set-key (kbd "C-g") '(keyboard-quit-cleanup))
   

   (where did you see that??)

2. Your custom function is not an interactive command, so you cannot bind it to a key. It needs to be:

   (defun keyboard-quit-cleanup ()
     "Clean up highlights after keyboard quit."
     (interactive)
     ...)
   

3. You probably want to use the FORCE argument to lazy-highlight-cleanup

4. You're binding the wrong thing.

   C-g is bound to isearch-abort in the isearch-mode-map keymap.

   (edit: and as per tripleee's comment, messing with the global binding is surely a bad idea. There's definitely some special behaviour associated with it, and you don't want to risk breaking it.)

5. As you're looking to add an additional behaviour to a standard behaviour, you probably want to use a hook (by preference) or some advice. In this case there's a convenient hook we can use.

   See C-hv isearch-mode-end-hook RET

   (add-hook 'isearch-mode-end-hook 'my-isearch-end)
   (defun my-isearch-end ()
     "Custom behaviours for `isearch-mode-end-hook'."
     (when isearch-mode-end-hook-quit
       (lazy-highlight-cleanup t)))
   

(I assume you have lazy-highlight-cleanup set to nil normally, as otherwise the clean-up happens by default.)

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