unofficial mirror of emacs-devel@gnu.org 
 help / color / mirror / code / Atom feed
From: Alan Mackenzie <acm@muc.de>
To: Noam Postavsky <npostavs@gmail.com>
Cc: Eli Zaretskii <eliz@gnu.org>, Emacs developers <emacs-devel@gnu.org>
Subject: Re: [Patch]: Allow overlay arrows to be inserted before the text at column zero rather than splatting it.
Date: Sun, 18 Aug 2019 19:43:40 +0000	[thread overview]
Message-ID: <20190818194340.GE31509@ACM> (raw)
In-Reply-To: <CAM-tV--wYzEK=xU4ug=A4rjEF2ygb+eow-N8R_PFzwe1EAgmYA@mail.gmail.com>

Hello, Noam.

On Sun, Aug 18, 2019 at 15:30:11 -0400, Noam Postavsky wrote:
> On Sun, 18 Aug 2019 at 14:44, Alan Mackenzie <acm@muc.de> wrote:

> > I don't think there's anything else in Emacs at the moment that could
> > take its place.  The essence here is being able to insert "=>" onto the
> > display _without_ disturbing the horizontal alignment, as needed by
> > debuggers.  Maybe, in addition to before-strings and after-strings we
> > need "overlay-strings" (with a better name than that), which would cover
> > up the underlying text.  Or do we already have something like that?

> I think the 'display' property would work for that.

Yes.  Thanks!  I didn't know that.

So we could supersede the (current) overlay arrow with a mechanism using
the display text property or overlay.

-- 
Alan Mackenzie (Nuremberg, Germany).



  reply	other threads:[~2019-08-18 19:43 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-18 13:48 [Patch]: Allow overlay arrows to be inserted before the text at column zero rather than splatting it Alan Mackenzie
2019-08-18 14:34 ` Eli Zaretskii
2019-08-18 16:15   ` Alan Mackenzie
2019-08-18 16:29     ` Eli Zaretskii
2019-08-18 18:43       ` Alan Mackenzie
2019-08-18 18:53         ` Eli Zaretskii
2019-08-18 19:23           ` Alan Mackenzie
2019-08-19  2:29             ` Eli Zaretskii
2019-08-19 19:28               ` Alan Mackenzie
2019-08-20  2:30                 ` Eli Zaretskii
2019-08-18 19:30         ` Noam Postavsky
2019-08-18 19:43           ` Alan Mackenzie [this message]
2019-08-19  9:30         ` Stefan Monnier
2019-08-19 14:46           ` Eli Zaretskii

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

  List information: https://www.gnu.org/software/emacs/

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20190818194340.GE31509@ACM \
    --to=acm@muc.de \
    --cc=eliz@gnu.org \
    --cc=emacs-devel@gnu.org \
    --cc=npostavs@gmail.com \
    /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 public inbox

	https://git.savannah.gnu.org/cgit/emacs.git

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).