GNU bug report logs - #67993
Selecting buffer automatically

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Message #12 received at 67993 <at> debbugs.gnu.org (full text, mbox):

From: Juri Linkov <juri <at> linkov.net>
To: 67993 <at> debbugs.gnu.org
Cc: martin rudalics <rudalics <at> gmx.at>
Subject: Re: bug#67993: Selecting buffer automatically
Date: Thu, 04 Jan 2024 19:12:23 +0200

Martin, do you agree with this change?
If ok, then I could update the documentation as well.

>>>> I believe this should be customizable with something like
>>>>
>>>>  (setopt display-buffer-alist
>>>>   '(("\\*Compile-Log\\*" nil (select-window . t))))
>>>
>>> Thank you for the advice, but I tried this and it didn't work.
>>> *Compile-log* buffer isn't selected.
>>
>> This feature was discussed in bug#33258 and bug#46034,
>> but not yet implemented.  It should be easy to implement
>> exactly the same way as 'windmove-display-in-direction'
>> selects the old or new window in 'post-command-hook'.
>> Ok, I will post a patch to bug-gnu-emacs.
>
> Here is the patch that allows using (select-window . t) in display-buffer-alist
> to select the displayed window, and (select-window . nil) to deselect windows
> selected by such functions as pop-to-buffer:
>
> diff --git a/lisp/window.el b/lisp/window.el
> index 40070a4d929..fad95601a55 100644
> --- a/lisp/window.el
> +++ b/lisp/window.el
> @@ -7851,6 +7856,16 @@ display-buffer
>        (while (and functions (not window))
>          (setq window (funcall (car functions) buffer alist)
>                functions (cdr functions)))
> +      (when-let ((select-window (assq 'select-window alist)))
> +        (letrec ((postfun
> +                  (lambda ()
> +                    (if (cdr select-window)
> +                        (when (window-live-p window)
> +                          (select-window window))
> +                      (when (window-live-p (old-selected-window))
> +                        (select-window (old-selected-window))))
> +                    (remove-hook 'post-command-hook postfun))))
> +          (add-hook 'post-command-hook postfun)))
>        (and (windowp window) window))))
>
>  (defun display-buffer-other-frame (buffer)

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