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From: Dmitry Gutov <dgutov@yandex.ru>
To: Daniel Mendler <mail@daniel-mendler.de>,
	"emacs-devel@gnu.org" <emacs-devel@gnu.org>
Cc: Gregory Heytings <gregory@heytings.org>,
	Stefan Monnier <monnier@iro.umontreal.ca>
Subject: Re: [PATCH] `completing-read`: Add `group-function` support to completion metadata
Date: Sun, 25 Apr 2021 22:35:00 +0300	[thread overview]
Message-ID: <39c93100-a352-538d-717a-663bcc5de296@yandex.ru> (raw)
In-Reply-To: <f549521c-4358-b103-12b3-96f5e9109952@daniel-mendler.de>

On 25.04.2021 16:32, Daniel Mendler wrote:
> I attached a patch which adds grouping support to the completions 
> buffer. The completion table can specify a `group-function` via its 
> completion metadata.
> 
> Currently groups are only displayed in the *Completions* buffer if 
> `completions-format=one-column`. My proposal is to split up the function 
> `completion--insert-strings` into three functions 
> `completion--insert-strings-one-column/vertical/horizontal` in a 
> follow-up patch. Then the grouping display can also be implemented for 
> the other display formats.
> 
> Group title support is already present in the Vertico, Selectrum and 
> external Icomplete-vertical UI. Similarly we can add support to the 
> recently added `icomplete-vertical-mode` by Gregory.
> 
> There is a patch to `xref.el` included, which makes use of the grouping 
> functionality, when the `completing-read` show function is used:
> 
> (setq xref-show-xrefs-function #'xref-show-definitions-completing-read)

The result looks nice (when enabled), though this function still doesn't 
work very well with the default completing read. So whether this feature 
works okay will depend on the alternative UI used.

I wonder if there can be other examples of group-function usage added 
which work okay with the default completion UI.

Speaking of group-function's implementation there, the text-properties 
approach seems like an overkill since we can reliably string-match 
anyway. But it's a minor thing.

Another minor issue is that the docstring still says "Return title of 
candidate" rather than "group title" or "group name".

Not going to comment on the changes to minibuffer.el, at least for now.



  reply	other threads:[~2021-04-25 19:35 UTC|newest]

Thread overview: 81+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-25 13:32 [PATCH] `completing-read`: Add `group-function` support to completion metadata Daniel Mendler
2021-04-25 19:35 ` Dmitry Gutov [this message]
2021-04-25 19:47   ` Daniel Mendler
2021-04-25 21:50     ` Dmitry Gutov
2021-04-25 22:10       ` Daniel Mendler
2021-04-25 22:40         ` Dmitry Gutov
2021-04-25 22:58           ` Daniel Mendler
2021-04-26  4:51             ` Protesilaos Stavrou
2021-04-27 16:53               ` Juri Linkov
2021-04-28  6:18                 ` Protesilaos Stavrou
2021-04-25 23:33           ` Stefan Monnier
2021-04-26 10:01             ` Daniel Mendler
2021-04-26 13:50               ` Stefan Monnier
2021-04-27  1:46             ` Dmitry Gutov
2021-04-27  1:59               ` tumashu
2021-04-27  2:45                 ` Daniel Mendler
2021-04-27 15:47                 ` Dmitry Gutov
2021-04-27  3:41               ` Stefan Monnier
2021-04-28  0:08                 ` Dmitry Gutov
2021-04-28  3:21                   ` Stefan Monnier
2021-04-25 19:38 ` [PATCH] `completing-read`: Add `group-function` support to completion metadata (REVISED PATCH) Daniel Mendler
2021-04-25 20:45   ` Juri Linkov
2021-04-25 21:26     ` Daniel Mendler
2021-04-29 16:20   ` Juri Linkov
2021-04-29 16:52     ` Daniel Mendler
2021-04-29 17:07     ` Stefan Monnier
2021-04-29 17:13       ` Daniel Mendler
2021-04-29 22:54         ` Juri Linkov
2021-04-29 23:55           ` [PATCH] `completing-read`: Add `group-function` support to completion metadata (REVISED PATCH VERSION 2) Daniel Mendler
2021-04-30  9:00             ` Daniel Mendler
2021-04-30 17:01               ` Juri Linkov
2021-04-30 18:11                 ` Daniel Mendler
2021-04-30 18:30                   ` Daniel Mendler
2021-05-01 19:57                     ` Juri Linkov
2021-05-02  0:43                       ` Daniel Mendler
2021-05-02  7:07                         ` Eli Zaretskii
2021-05-02 11:01                           ` Daniel Mendler
2021-04-30 16:51             ` Juri Linkov
2021-04-30 18:13               ` Daniel Mendler
2021-05-01 19:54                 ` Juri Linkov
2021-05-02  0:32                   ` Daniel Mendler
2021-05-02 21:38                     ` Juri Linkov
2021-05-07 17:03                       ` Juri Linkov
2021-05-07 17:55                         ` Daniel Mendler
2021-05-08  6:24                           ` Daniel Mendler
2021-05-08  8:45                             ` [PATCH] `completing-read`: Add `group-function` support to completion metadata (REVISED PATCH VERSION 4) Daniel Mendler
2021-05-08  9:10                               ` Daniel Mendler
2021-05-09 17:59                                 ` Juri Linkov
2021-05-09 18:50                                   ` Daniel Mendler
2021-05-09 18:56                                     ` Stefan Monnier
2021-05-09 19:11                                       ` Daniel Mendler
2021-05-10 20:47                                     ` Juri Linkov
2021-05-11  7:51                                       ` [PATCH] `completing-read`: Add `group-function` support to completion metadata (REVISED PATCH VERSION 5) Daniel Mendler
2021-05-11 17:59                                         ` Juri Linkov
2021-05-08 13:15                         ` [PATCH] `completing-read`: Add `group-function` support to completion metadata (REVISED PATCH VERSION 2) Stefan Monnier
2021-05-09 18:05                           ` Juri Linkov
2021-05-09 18:37                             ` Eli Zaretskii
2021-05-11 18:06                               ` Juri Linkov
2021-05-11 18:44                                 ` Eli Zaretskii
2021-05-11 18:58                                   ` Daniel Mendler
2021-05-11 19:22                                     ` Eli Zaretskii
2021-05-11 19:46                                       ` Daniel Mendler
2021-05-11 19:59                                         ` Eli Zaretskii
2021-05-11 20:30                                           ` [PATCH] `completing-read`: Add `group-function` support to completion metadata (REVISED PATCH VERSION 6) Daniel Mendler
2021-05-13 10:32                                             ` Eli Zaretskii
2021-05-13 11:45                                               ` [PATCH] `completing-read`: Add `group-function` support to completion metadata (REVISED PATCH VERSION 7) Daniel Mendler
2021-05-20  9:39                                                 ` Daniel Mendler
2021-05-20 17:53                                                   ` Juri Linkov
2021-05-20 18:51                                                     ` Daniel Mendler
2021-04-29 17:09     ` [PATCH] `completing-read`: Add `group-function` support to completion metadata (REVISED PATCH) Dmitry Gutov
2021-04-29 17:16       ` Daniel Mendler
2021-04-29 17:55         ` Dmitry Gutov
2021-04-29 18:31           ` [External] : " Drew Adams
2021-04-29 20:25             ` Dmitry Gutov
2021-04-29 22:15               ` Drew Adams
2021-04-29 22:28                 ` Dmitry Gutov
2021-04-29 23:31                   ` Drew Adams
2021-04-29 19:21           ` Daniel Mendler
2021-05-02 14:29   ` [PATCH] `completing-read`: Add `group-function` support to completion metadata (REVISED PATCH VERSION 3) Daniel Mendler
2021-05-02 21:49     ` Juri Linkov
2021-05-03 14:40       ` Daniel Mendler

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