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

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From: Dmitry Gutov <dmitry <at> gutov.dev>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: rudalics <at> gmx.at, 74361 <at> debbugs.gnu.org, juri <at> linkov.net
Subject: bug#74361: [PATCH] New option xref-navigation-display-window-action
Date: Mon, 18 Nov 2024 18:10:02 +0200

On 18/11/2024 14:25, Eli Zaretskii wrote:
>> Date: Mon, 18 Nov 2024 03:42:34 +0200
>> Cc: rudalics <at> gmx.at, 74361 <at> debbugs.gnu.org, juri <at> linkov.net
>> From: Dmitry Gutov <dmitry <at> gutov.dev>
>>
>> On 16/11/2024 10:43, Eli Zaretskii wrote:
>>>> That's the term I would use both both, but maybe there could be better
>>>> wording. If xref-find-definition is not a navigation command, is it a
>>>> "search command"?
>>> Let me turn the table and ask: which Xref commands will NOT use this
>>> action, if we exclude commands like
>>> xref-find-definitions-other-window, which specify the window/frame to
>>> use?
>>
>> xref-query-replace-in-results will not (or its twin
>> xref-find-references-and-replace). I suppose not many people would
>> expect them to.
> 
> This seems to indicate that my proposal is actually okay, since the
> above two commands do not "show results of Xref commands"?

IIUC your suggestion was:

  If non-nil, the `display-buffer' action for showing results of Xref 
commands.

And those are commands belonging to the package (for the moment), and as 
such fitting the description.

>> Also, there is a nuance: when the Xref buffer itself is shown (i.e. when
>> there are multiple locations matching a xref-find-definitions search),
>> we're not going to pass (category . xref) to display-buffer either - it
>> is reserved for displaying the buffers of destination locations.
> 
> And this is a separate issue, not related to the doc string?

Still about the doc string. If we say "showing results of Xref 
commands", then the Xref buffer with the list of locations also matches 
that description, doesn't it? Or rather it might be the first thing a 
user would think of - but our customization wouldn't apply to it 
immediately.

Note that this subthread might seem moot if we don't introduce a new 
option anyway, but somewhere we'd probably want to enumerate the cases 
which the 'xref' category applies to, and those would be the same.

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