GNU bug report logs - #61102
28.1; with-selected-window/save-window-excursion calls buffer-list-update-hook only once

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From: martin rudalics <rudalics <at> gmx.at>
To: Al Haji-Ali <abdo.haji.ali <at> gmail.com>, Eli Zaretskii <eliz <at> gnu.org>
Cc: 61102 <at> debbugs.gnu.org
Subject: bug#61102: 28.1; with-selected-window/save-window-excursion calls buffer-list-update-hook only once
Date: Fri, 3 Feb 2023 09:33:27 +0100

> Thanks! I should have clarified that I am developing a package that
> keeps track of the currently active window and executes certain code
> when the selected window changes (similar to auto-dim-other-buffers,
> if you are aware of it). I can't control what the user of my package
> does, in terms of combining `save-window-excursion` with
> `with-selected-window` or otherwise, so I am looking for a solution
> that works regardless

'window-selection-change-functions' (or 'window-state-change-hook')
should handle that.  If these don't work for you, please tell us why.

> I guess my only option is have an idle timer that checks if the
> current selected window is different compared to the last time a
> `buffer-list-update-hook` was called.

I rather suppose you want to check if it is different to that of the
last time your package did something particular to it.

martin

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