通过鼠标点击跳转到Emacs中的功能定义 [英] Jump to function definition in Emacs by mouse-click

问题描述

使用Emacs + Common Lisp（SBCL）+ Slime，有没有快速的方法跳转到函数的定义（defun ...），而不键入（find-function）函数的名称？
我正在寻找类似于Eclipse中提供的解决方案：
Strg +（鼠标左键单击函数调用）。

Using Emacs + Common Lisp (SBCL) + Slime, is there a quick way to jump to the definition of a function (defun ...) without typing (find-function) the name of the function? I am looking for an similar solution as often provided in Eclipse: Strg + (left-mouse-click on function call).

推荐答案

在Emacs中：

点击要访问的定义的函数，点击 Cx 5 F （ find-function-other-frame ）。

With point on the function whose definition you want to visit, hit C-x 5 F (find-function-other-frame).

您还可以绑定 find-function ， find-function-other-window 或 find-function-other-frame 到鼠标按钮操作。

You can also bind find-function, find-function-other-window, or find-function-other-frame to a mouse button action.

您提到了 Strg +（鼠标左键单击函数调用）例如。 Dunno什么 Strg 在这里，但你可以轻松绑定 [mouse-1] 或 down-mouse-1] 到一个在点击位置检查符号的命令，如果它是一个定义的函数，调用 find-function 它，如果它没有通常的 [mouse-1] 或 [down-mouse-1] 行为。

You mention Strg + (left-mouse-click on function call), for instance. Dunno what Strg is here, but you can easily bind [mouse-1] or [down-mouse-1] to a command that checks the symbol at the click position, and if it is a defined function calls find-function for it, and if it is not has the usual [mouse-1] or [down-mouse-1] behavior.

个人而言，我不想要这样的行为，但是在Emacs中很容易实现。例如：

Personally, I wouldn't want such behavior, but it is easy to achieve in Emacs. For example:

(defun my-find-func-mouse (event)
  (interactive "e")
  (let ((fn  (save-excursion
               (goto-char (posn-point (event-end event)))
               (function-called-at-point))))
    (unless (fboundp fn) (error "No function here"))
    (find-function-do-it fn nil 'switch-to-buffer-other-window)))

(global-set-key [C-down-mouse-1] nil)
(global-set-key [C-mouse-1] #'my-find-func-mouse)

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