From: Manuel Uberti <manuel.uberti@inventati.org>
To: "Gregory Heytings" <ghe@sdf.org>, "João Távora" <joaotavora@gmail.com>
Cc: Ergus <spacibba@aol.com>, Juri Linkov <juri@linkov.net>,
Yuan Fu <casouri@gmail.com>, Eli Zaretskii <eliz@gnu.org>,
emacs-devel <emacs-devel@gnu.org>
Subject: Re: feature/icomplete-vertical
Date: Mon, 5 Oct 2020 10:22:10 +0200 [thread overview]
Message-ID: <b8b7c1e3-6ca8-4f02-b8b1-3a4ad4e07c71@inventati.org> (raw)
In-Reply-To: <alpine.NEB.2.22.394.2010050935440453.2696@sdf.lonestar.org>
On 05/10/20 09:52, Gregory Heytings via Emacs development discussions. wrote:
>
> Hi Ergus and João,
>
> As I explained in a separate thread, at the moment the best way to implement
> icomplete-vertical (and in general to display completion candidates in the
> minibuffer) is to convince Emacs to start displaying the minibuffer at its
> beginning. This avoids all known problems.
>
> With this solution, displaying completion candidates after point in a minibuffer
> is a trivial task: it suffices to insert the completion candidates in the
> minibuffer, and Emacs will display as many of these candidates as possible,
> given the user preferences (max-mini-window-height, resize-mini-windows, ...),
> the size of the Emacs frame, the phase of the moon, ... This works on Emacs 24,
> 25, 26, 27 and 28, with fixed and variable width fonts.
>
> Part 1 of the solution (which solves the "root" problem, and is not specific to
> icomplete-vertical):
>
> (defvar-local start-display-at-beginning-of-minibuffer nil)
> (defun start-display-at-beginning-of-minibuffer (&rest args)
> (when (and start-display-at-beginning-of-minibuffer (minibufferp))
> (set-window-start-at-begin (point-min) (point))))
> (defun set-window-start-at-begin (beg end)
> (when (< (+ beg 2) end)
> (set-window-start nil beg)
> (unless (pos-visible-in-window-p end nil t)
> (set-window-start-at-begin (+ beg (/ (- end beg) 2)) end))))
> (add-hook 'window-scroll-functions #'start-display-at-beginning-of-minibuffer)
> (add-hook 'post-command-hook #'start-display-at-beginning-of-minibuffer)
>
> Part 2 of the solution (which implements icomplete-vertical):
>
> (setq icomplete-separator "\n")
> (add-hook 'icomplete-minibuffer-setup-hook (lambda () (setq
> start-display-at-beginning-of-minibuffer t)))
> (defun icomplete-vertical-reformat-completions (completions)
> (save-match-data
> (if (string-match "^\\((.*)\\|\\[.+\\]\\)?{\\(\\(?:.\\|\n\\)+\\)}" completions)
> (format "%s \n%s" (or (match-string 1 completions) "") (match-string 2
> completions))
> completions)))
> (advice-add 'icomplete-completions :filter-return
> #'icomplete-vertical-reformat-completions)
>
> The only limit of this solution is that is is not possible to display an
> ellipsis ("...") at the end of the completion candidates list, to indicate that
> some completion candidates are not displayed. This is a minor limitation, and
> IMO using one screen line just to display "..." is a waste of resources.
>
> Gregory
Hi Gregory,
FWIW, your code works absolutely fine for me and I was able to replace the
external icomplete-vertical package with your solution.
Thanks for working on this.
--
Manuel Uberti
www.manueluberti.eu
next prev parent reply other threads:[~2020-10-05 8:22 UTC|newest]
Thread overview: 118+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-12 13:10 feature/icomplete-vertical Gregory Heytings via Emacs development discussions.
2020-09-12 13:33 ` feature/icomplete-vertical Ergus
2020-09-12 14:30 ` feature/icomplete-vertical Gregory Heytings via Emacs development discussions.
2020-09-14 6:44 ` feature/icomplete-vertical jixiuf
2020-09-14 7:08 ` feature/icomplete-vertical Ergus
2020-09-14 15:02 ` feature/icomplete-vertical Ergus
2020-09-14 17:13 ` feature/icomplete-vertical Gregory Heytings via Emacs development discussions.
2020-09-14 17:31 ` feature/icomplete-vertical Ergus
2020-09-16 15:22 ` feature/icomplete-vertical jixiuf
[not found] ` <20200918005354.muskx2b7tssyqzzk@Ergus>
2020-09-18 3:08 ` feature/icomplete-vertical jixiuf
2020-09-18 11:58 ` feature/icomplete-vertical Ergus
2020-09-18 17:05 ` feature/icomplete-vertical Ergus
2020-09-18 19:52 ` feature/icomplete-vertical Eli Zaretskii
2020-09-20 10:55 ` feature/icomplete-vertical João Távora
2020-09-20 13:04 ` feature/icomplete-vertical Ergus
2020-09-20 13:15 ` feature/icomplete-vertical Eli Zaretskii
2020-09-20 13:37 ` feature/icomplete-vertical Ergus
2020-09-20 14:07 ` feature/icomplete-vertical Gregory Heytings via Emacs development discussions.
2020-09-20 14:28 ` feature/icomplete-vertical Eli Zaretskii
2020-09-20 15:04 ` feature/icomplete-vertical Ergus
2020-09-20 15:54 ` feature/icomplete-vertical Eli Zaretskii
2020-09-20 16:13 ` feature/icomplete-vertical Ergus
2020-09-20 17:09 ` feature/icomplete-vertical Gregory Heytings via Emacs development discussions.
2020-09-20 17:43 ` feature/icomplete-vertical Eli Zaretskii
2020-10-01 16:48 ` feature/icomplete-vertical Ergus
2020-10-02 4:45 ` feature/icomplete-vertical jixiuf
2020-10-03 2:13 ` feature/icomplete-vertical Ergus
2020-10-04 23:47 ` feature/icomplete-vertical João Távora
2020-10-05 4:48 ` feature/icomplete-vertical Ergus
2020-10-05 9:06 ` feature/icomplete-vertical João Távora
2020-10-05 12:23 ` feature/icomplete-vertical Ergus
2020-10-05 12:28 ` feature/icomplete-vertical João Távora
2020-10-05 12:52 ` feature/icomplete-vertical Ergus
2020-10-05 5:45 ` feature/icomplete-vertical Eli Zaretskii
2020-10-05 9:13 ` feature/icomplete-vertical João Távora
2020-10-05 9:46 ` feature/icomplete-vertical Eli Zaretskii
2020-10-05 9:57 ` feature/icomplete-vertical João Távora
2020-10-05 10:11 ` feature/icomplete-vertical Eli Zaretskii
2020-10-05 10:52 ` feature/icomplete-vertical João Távora
2020-10-05 11:00 ` feature/icomplete-vertical Eli Zaretskii
2020-10-05 11:11 ` feature/icomplete-vertical Gregory Heytings via Emacs development discussions.
2020-10-05 11:33 ` feature/icomplete-vertical Eli Zaretskii
2020-10-05 11:48 ` feature/icomplete-vertical João Távora
2020-10-05 17:59 ` feature/icomplete-vertical martin rudalics
2020-10-05 18:24 ` feature/icomplete-vertical Gregory Heytings via Emacs development discussions.
2020-10-05 11:24 ` feature/icomplete-vertical João Távora
2020-10-05 11:45 ` feature/icomplete-vertical Eli Zaretskii
2020-10-05 11:54 ` feature/icomplete-vertical João Távora
2020-10-05 12:05 ` feature/icomplete-vertical Eli Zaretskii
2020-10-05 13:07 ` feature/icomplete-vertical João Távora
2020-10-05 13:25 ` feature/icomplete-vertical Eli Zaretskii
2020-10-05 19:03 ` feature/icomplete-vertical João Távora
2020-10-05 19:12 ` feature/icomplete-vertical Eli Zaretskii
2020-10-05 19:19 ` feature/icomplete-vertical João Távora
2020-10-05 19:30 ` feature/icomplete-vertical Eli Zaretskii
2020-10-05 19:36 ` feature/icomplete-vertical João Távora
2020-10-05 11:02 ` feature/icomplete-vertical Gregory Heytings via Emacs development discussions.
2020-10-05 11:32 ` feature/icomplete-vertical João Távora
2020-10-05 11:54 ` feature/icomplete-vertical Gregory Heytings via Emacs development discussions.
2020-10-05 11:58 ` feature/icomplete-vertical João Távora
2020-10-05 12:02 ` feature/icomplete-vertical Gregory Heytings via Emacs development discussions.
2020-10-05 12:07 ` feature/icomplete-vertical Eli Zaretskii
2020-10-05 12:25 ` feature/icomplete-vertical Gregory Heytings via Emacs development discussions.
2020-10-05 12:33 ` feature/icomplete-vertical Eli Zaretskii
2020-10-05 13:19 ` feature/icomplete-vertical Gregory Heytings via Emacs development discussions.
2020-10-05 13:44 ` feature/icomplete-vertical Eli Zaretskii
2020-10-05 19:14 ` feature/icomplete-vertical João Távora
2020-10-05 19:24 ` feature/icomplete-vertical Eli Zaretskii
2020-10-05 19:32 ` feature/icomplete-vertical João Távora
2020-10-06 6:16 ` feature/icomplete-vertical Eli Zaretskii
2020-10-05 19:44 ` feature/icomplete-vertical Gregory Heytings via Emacs development discussions.
2020-10-05 19:49 ` feature/icomplete-vertical João Távora
2020-10-06 6:20 ` feature/icomplete-vertical Eli Zaretskii
2020-10-05 13:13 ` feature/icomplete-vertical Stefan Monnier
2020-10-05 7:52 ` feature/icomplete-vertical Gregory Heytings via Emacs development discussions.
2020-10-05 8:22 ` Manuel Uberti [this message]
2020-10-05 9:40 ` feature/icomplete-vertical João Távora
2020-10-05 10:53 ` feature/icomplete-vertical Gregory Heytings via Emacs development discussions.
2020-09-20 14:49 ` feature/icomplete-vertical Ergus
2020-09-20 15:46 ` feature/icomplete-vertical Eli Zaretskii
2020-09-18 21:39 ` feature/icomplete-vertical Gregory Heytings via Emacs development discussions.
2020-09-18 23:27 ` feature/icomplete-vertical Stefan Monnier
2020-09-19 1:59 ` feature/icomplete-vertical Ergus
2020-09-19 4:03 ` feature/icomplete-vertical Gregory Heytings via Emacs development discussions.
2020-09-19 6:15 ` feature/icomplete-vertical Ergus
2020-09-19 8:35 ` feature/icomplete-vertical Gregory Heytings via Emacs development discussions.
2020-09-19 10:30 ` feature/icomplete-vertical Gregory Heytings via Emacs development discussions.
2020-09-19 11:19 ` feature/icomplete-vertical Ergus
2020-09-19 11:56 ` feature/icomplete-vertical Gregory Heytings via Emacs development discussions.
2020-09-19 12:57 ` feature/icomplete-vertical Ergus
2020-09-19 11:43 ` feature/icomplete-vertical Ergus
2020-09-19 13:00 ` feature/icomplete-vertical Stefan Monnier
2020-09-19 13:42 ` feature/icomplete-vertical Ergus
2020-09-19 15:35 ` feature/icomplete-vertical Stefan Monnier
2020-09-19 13:59 ` feature/icomplete-vertical Gregory Heytings via Emacs development discussions.
2020-09-19 14:43 ` feature/icomplete-vertical Ergus
2020-09-19 15:37 ` feature/icomplete-vertical Stefan Monnier
2020-09-19 15:49 ` feature/icomplete-vertical Ergus
2020-09-19 16:01 ` feature/icomplete-vertical Stefan Monnier
2020-09-19 16:05 ` feature/icomplete-vertical Gregory Heytings via Emacs development discussions.
2020-09-19 16:15 ` feature/icomplete-vertical Stefan Monnier
2020-09-19 16:19 ` feature/icomplete-vertical Gregory Heytings via Emacs development discussions.
2020-09-19 16:58 ` feature/icomplete-vertical Eli Zaretskii
2020-09-19 17:06 ` feature/icomplete-vertical Ergus
2020-09-19 17:21 ` feature/icomplete-vertical Eli Zaretskii
2020-09-19 20:47 ` feature/icomplete-vertical Ergus
2020-09-19 22:07 ` feature/icomplete-vertical Stefan Monnier
2020-09-20 5:31 ` feature/icomplete-vertical Eli Zaretskii
2020-09-20 10:47 ` feature/icomplete-vertical Gregory Heytings via Emacs development discussions.
2020-09-20 13:04 ` feature/icomplete-vertical Ergus
2020-09-19 21:40 ` feature/icomplete-vertical Dmitry Gutov
2020-09-20 5:45 ` feature/icomplete-vertical Eli Zaretskii
2020-09-19 15:55 ` feature/icomplete-vertical Gregory Heytings via Emacs development discussions.
2020-09-19 10:47 ` feature/icomplete-vertical Ergus
2020-09-19 17:08 ` feature/icomplete-vertical Drew Adams
2020-09-20 0:28 ` feature/icomplete-vertical Gregory Heytings via Emacs development discussions.
2020-09-20 1:18 ` feature/icomplete-vertical Drew Adams
-- strict thread matches above, loose matches on Subject: below --
2020-10-02 6:37 feature/icomplete-vertical Manuel Uberti
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