GNU bug report logs - #74361
[PATCH] New option xref-navigation-display-window-action

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From: Juri Linkov <juri <at> linkov.net>
To: Dmitry Gutov <dmitry <at> gutov.dev>
Cc: martin rudalics <rudalics <at> gmx.at>, 74361 <at> debbugs.gnu.org
Subject: bug#74361: [PATCH] New option xref-navigation-display-window-action
Date: Tue, 19 Nov 2024 20:33:17 +0200

> Thanks! That covers the code path which uses 'display-buffer', and we also
> need to handle xref-pop-to-location, which calls switch-to-buffer now. Does
>
>   (pop-to-buffer buf '((display-buffer-same-window) (category . xref)))
>
> look compatible enough?

Maybe Martin could confirm whether this is equivalent to switch-to-buffer.

> Also, when using the suggested change in xref--show-pos-in-buf, if we
> simply annotate it with 'category' in the display-buffer call, this also
> extends to the scenarios where xref--original-window-intent is non-nil.
>
> See the attached patch where we make sure to exclude those cases. I suppose
> that loses the semantic consistency, though:
> xref-find-definitions-other-window and xref-find-definitions-other-frame
> are "xref" commands but they will call 'display-buffer' without 'category'.

I agree the category should not override the window when used
from a command that specifies a window/frame.

> The corresponding customization (described in the first message) can be:
>
>   (setq display-buffer-alist '(((category . xref)
>                                 (display-buffer-reuse-window
>                                  display-buffer-use-some-window))))

I tried your patch, and it works even with 'mru':

(setq display-buffer-alist '(((category . xref)
                              (display-buffer-reuse-window
                               display-buffer-use-some-window)
                              (some-window . mru))))

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