From: Amos Bird <amosbird@gmail.com>
To: martin rudalics <rudalics@gmx.at>
Cc: help-gnu-emacs@gnu.org
Subject: Re: how can I run commands when window displays a different buffer?
Date: Sat, 28 Oct 2017 16:56:23 +0800 [thread overview]
Message-ID: <87fua38xc8.fsf@gmail.com> (raw)
In-Reply-To: <59F4439F.60306@gmx.at>
Hi martin,
This works pretty well. Thank you!
regards,
martin rudalics <rudalics@gmx.at> writes:
>> I was thinking the similar but cannot find a way to construct
>> the
>> window-buffer associations. Do you mind giving me some hint :)
>
> The code below should do that.
>
>
> (defun update-window-buffer-list ()
> (let ((old (frame-parameter nil 'window-buffer-list))
> new this)
> (walk-window-tree
> (lambda (window)
> (let ((old-buffer (cdr (assq window old)))
> (new-buffer (window-buffer window)))
> (unless (eq old-buffer new-buffer)
> ;; The buffer of a previously existing window has changed
> or
> ;; a new window has been added to this frame.
> (ding))
> (setq new (cons (cons window new-buffer) new)))))
> (set-frame-parameter nil 'window-buffer-list new)))
>
> (add-hook 'window-configuration-change-hook
> 'update-window-buffer-list)
>
>
> You can write a more destructive version using ‘setcdr’.
>
> martin
--
Amos Bird
amosbird@gmail.com
next prev parent reply other threads:[~2017-10-28 8:56 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-27 12:53 how can I run commands when window displays a different buffer? martin rudalics
2017-10-27 13:34 ` Amos Bird
2017-10-28 8:45 ` martin rudalics
2017-10-28 8:56 ` Amos Bird [this message]
2017-10-30 1:52 ` Stefan Monnier
-- strict thread matches above, loose matches on Subject: below --
2017-10-27 12:04 Amos Bird
2017-10-27 12:18 ` Kaushal Modi
2017-10-27 12:46 ` Amos Bird
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