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Re: [ELPA] New package proposal: visual-path-abbrev.el
From: |
Stefan Monnier |
Subject: |
Re: [ELPA] New package proposal: visual-path-abbrev.el |
Date: |
Fri, 08 Mar 2019 14:01:56 -0500 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) |
> Ok, now after the hymn of praise, here's the caveat which I couldn't
> solve so far: When point leaves one of my overlays and immediately
> appears in another one, the `cursor-sensor-functions' are NOT CALLED.
> Of course, I expected to get a one call with 'left followed by a call
> with 'entered.
IIRC you should indeed get 2 calls (one for leave and one for enter),
unless the overlays are adjacent I think (the code looks at
char-properties so doesn't pay much attention to overlay boundaries
themselves).
> Can we consider that a bug in cursor-sensor or is that the expected
> behavior? And more importantly, can I influence it so that it works for
> my use-case?
Not sure if it's a bug, but if the problem is that your overlays are
adjacent (so that all the chars between the old and the new positions
have the same `cursor-sensor-functions` property), then you can fix it
in one of two ways:
- change your overlay's boundaries so as to leave some chars between
the overlays.
- use artificially non-eql values of the functions placed on
`cursor-sensor-functions` (e.g. using closures that close over the
overlay itself).
> An easy recipe for reproduction is to run M-x rgrep, then activate my
> mode in the *grep* buffer, and then move up and down using C-p / C-n.
Haven't tried it yet, but it sounds like maybe it's just a plain bug in
cursor-sensor.
Stefan
- Re: [ELPA] New package proposal: visual-path-abbrev.el, (continued)
- Re: [ELPA] New package proposal: visual-path-abbrev.el, Eli Zaretskii, 2019/03/04
- Re: [ELPA] New package proposal: visual-path-abbrev.el, Tassilo Horn, 2019/03/05
- Re: [ELPA] New package proposal: visual-path-abbrev.el, Eli Zaretskii, 2019/03/05
- Re: [ELPA] New package proposal: visual-path-abbrev.el, Tassilo Horn, 2019/03/05
- Re: [ELPA] New package proposal: visual-path-abbrev.el, Stefan Monnier, 2019/03/08
- Re: [ELPA] New package proposal: visual-path-abbrev.el, Tassilo Horn, 2019/03/08
- Re: [ELPA] New package proposal: visual-path-abbrev.el, Tassilo Horn, 2019/03/08
- Re: [ELPA] New package proposal: visual-path-abbrev.el,
Stefan Monnier <=
- Re: [ELPA] New package proposal: visual-path-abbrev.el, Stefan Monnier, 2019/03/08
- Re: [ELPA] New package proposal: visual-path-abbrev.el, Tassilo Horn, 2019/03/09
- Re: [ELPA] New package proposal: visual-path-abbrev.el, Stefan Monnier, 2019/03/08
Re: [ELPA] New package proposal: visual-path-abbrev.el, Leo Liu, 2019/03/02