From: Eli Zaretskii <eliz@gnu.org>
To: Gabriel <gabriel376@hotmail.com>, Tassilo Horn <tsdh@gnu.org>
Cc: 59527@debbugs.gnu.org
Subject: bug#59527: 29.0.50; Face issues in show-paren context overlay
Date: Thu, 24 Nov 2022 09:10:54 +0200 [thread overview]
Message-ID: <83edtsyght.fsf@gnu.org> (raw)
In-Reply-To: <SJ0PR06MB86096892237D8E21745E1D848B0F9@SJ0PR06MB8609.namprd06.prod.outlook.com> (message from Gabriel on Wed, 23 Nov 2022 21:22:02 -0300)
> From: Gabriel <gabriel376@hotmail.com>
> Date: Wed, 23 Nov 2022 21:22:02 -0300
>
> The context overlay (from show-paren) has some face issues. First, in
> case font-lock was not applied to a previous region of the buffer, the
> overlay will not display the context with font-lock. Second, the
> overlay will be displayed with the same background as the top-left line
> of the window instead of the original context background.
>
> Steps:
>
> 1) emacs -Q (master "b42cd524b46a4f29ef13e9d03be9d3df917f9aa3")
>
> 2) eval:
>
> (progn
> ;; enable overlay context in show-paren
> (setopt show-paren-context-when-offscreen 'overlay)
>
> ;; just to have a different background to reproduce issue #2
> (add-hook 'c-mode-hook #'whitespace-mode))
>
> 3) Open file src/xdisp.c from emacs source tree: C-x C-f emacs/src/xdisp.c
>
> 4) Go to line 13418: M-g M-g 13418
>
> 5) Go to next char (the context overlay will be displayed): C-f
>
> Problem 1: the overlay context does not have font-lock, since font-lock
> was not applied to the previous area that contains the context. As a
> workaround, execute C-M b (to navigate to context and force font-lock
> update) and then C-M-f to navigate back and display again the overlay
> context (with correct font-lock, this time). I expect the context
> overlay to always be displayed with an updated font-lock.
>
> Problem 2: the overlay context will be displayed with the same
> background color as the top-left line of the window (yellow, in this
> case, because of whitespace-mode). I expect the context overlay to
> always show the correct background, regardless of the face in the
> top-left line.
CC'ing Tassilo, who implemented this feature.
next prev parent reply other threads:[~2022-11-24 7:10 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-24 0:22 bug#59527: 29.0.50; Face issues in show-paren context overlay Gabriel
2022-11-24 7:10 ` Eli Zaretskii [this message]
2022-11-24 7:18 ` Tassilo Horn
2022-11-24 9:55 ` Tassilo Horn
2022-11-24 11:21 ` Gabriel
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=83edtsyght.fsf@gnu.org \
--to=eliz@gnu.org \
--cc=59527@debbugs.gnu.org \
--cc=gabriel376@hotmail.com \
--cc=tsdh@gnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this external index
https://git.savannah.gnu.org/cgit/emacs.git
https://git.savannah.gnu.org/cgit/emacs/org-mode.git
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.