Re: Cancel minibuffer when clicking another window

On Wed, 04 Mar 2026 13:55:38 +0100 Stephen Berman <[email protected]> wrote:

> On Wed, 04 Mar 2026 12:47:15 +0100 Joost Kremers <[email protected]> wrote:
>
>> Hi list,
>>
>> When Emacs reads input in the minibuffer (i.e., with `read-from-minibuffer`
>> or `completing-read`, etc.) and you click some other window with the mouse,
>> that window is selected, but the minibuffer input isn't cancelled.
>>
>> Is there a way to automatically cancel the minibuffer input when clicking
>> another window?
>
> Maybe this does what you want:
>
> (defun my-exit-minibuffer ()
>   (let ((miniwin (active-minibuffer-window)))
>     (when (and miniwin (not (eq miniwin (selected-window)))
> 	       (mouse-event-p last-command-event)
>       (exit-minibuffer)))))
>
> (add-hook 'post-command-hook #'my-exit-minibuffer)

Sorry about the mangled parens, of course I meant this:

(defun my-exit-minibuffer ()
  (let ((miniwin (active-minibuffer-window)))
    (when (and miniwin (not (eq miniwin (selected-window)))
	       (mouse-event-p last-command-event))
      (exit-minibuffer))))


> Steve Berman