GNU bug report logs - #74246
[PATCH] Reuse display windows in image-dired

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Message #47 received at 74246 <at> debbugs.gnu.org (full text, mbox):

From: Juri Linkov <juri <at> linkov.net>
To: martin rudalics <rudalics <at> gmx.at>
Cc: Morgan Smith <Morgan.J.Smith <at> outlook.com>, Eli Zaretskii <eliz <at> gnu.org>,
 74246 <at> debbugs.gnu.org, stefankangas <at> gmail.com
Subject: Re: bug#74246: [PATCH] Reuse display windows in image-dired
Date: Tue, 03 Dec 2024 19:24:14 +0200

>> It kills the target buffer, not the source buffer?
>> The idea was to set a buffer-local variable in the source buffer.
>
> But you want to display the target buffer.  How would 'display-buffer'
> find the buffer-local value of the source buffer?

Here is how I do this in the snippet I posted 3 days ago:

(setq display-buffer-base-action
      '(nil . ((some-window
                . (lambda (_buffer alist)
                    (let ((last-window (buffer-local-value
                                        'display-buffer-last-window
                                        (window-buffer))))

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