GNU bug report logs - #76248
[Feature Request] user-option for killing buffer in `quit-window'.

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From: Juri Linkov <juri <at> linkov.net>
To: martin rudalics <rudalics <at> gmx.at>
Cc: 76248 <at> debbugs.gnu.org, Elijah Gabe Perez <eg642616 <at> gmail.com>
Subject: bug#76248: [Feature Request] user-option for killing buffer in `quit-window'.
Date: Thu, 13 Feb 2025 19:47:03 +0200

> I attach a patch that could simplify that.

Thanks.

> +(defcustom quit-window-kill-buffer-modes nil
> +  "List of major modes telling `quit-window' to kill WINDOW's buffer.
> +If non-nil, this should be a list of major modes.  `quit-window' will
> +kill the buffer of its WINDOW argument when that buffer's major mode is
> +a member of this list regardless of the value of the KILL argument."
> +  :type '(repeat (symbol :tag "Major mode"))
> +  :version "31.1"
> +  :group 'windows)

It would be nice to support the value t as a shortcut that means all modes.
Then the name could be just 'quit-window-kill-buffer' for symmetry with
'kill-buffer-quit-windows'.

> +  (let (kill-from-mode)
> +    (with-current-buffer (window-buffer (window-normalize-window window))
> +      (run-hooks 'quit-window-hook)
> +
> +      (setq kill-from-mode (memq major-mode quit-window-kill-buffer-modes)))
> +
> +    (quit-restore-window
> +     window (if (or kill kill-from-mode) 'kill 'bury))))

Wouldn't it be better to check for derived modes with 'derived-mode-p'?
Then it's possible to detect all modes inheriting from special-mode,
e.g. (derived-mode-p '(special-mode)).

> Maybe its handling should go to 'quit-restore-window' itself.
> Or we should have 'quit-windows-on' handle it too.
> Then what about 'delete-windows-on'?

Not sure about other functions.

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