From: Eli Zaretskii <eliz@gnu.org>
To: Juri Linkov <juri@linkov.net>
Cc: larsi@gnus.org, 50256@debbugs.gnu.org
Subject: bug#50256: thing-at-mouse
Date: Wed, 01 Sep 2021 22:23:45 +0300 [thread overview]
Message-ID: <83k0k0p0am.fsf@gnu.org> (raw)
In-Reply-To: <875yvknpls.fsf@mail.linkov.net> (message from Juri Linkov on Wed, 01 Sep 2021 20:59:59 +0300)
> From: Juri Linkov <juri@linkov.net>
> Cc: martin rudalics <rudalics@gmx.at>, larsi@gnus.org, 50256@debbugs.gnu.org
> Date: Wed, 01 Sep 2021 20:59:59 +0300
>
> >> I have only run `with-current-buffer'. The selected window shows
> >> *Messages*.
> >
> > Then what is the semantics of the code snippet above, and why did you
> > call with-current-buffer the second time? What did you want to
> > accomplish, except make a point?
> >
> > IOW, what kind of real-life situation needs such a code?
>
> In bug#9923 'C-h m' switched to another buffer before calling
> mouse-set-point.
Then it's a bug in that command, I'd say. You assume something about
last-input and what mouse-set-point and posn-set-point will do when
last-input is not a click event. And that assumption turns out to be
false. So instead of making that assumption, why not give the code a
valid event to work with instead?
posn-at-point cannot work correctly when current buffer and the
selected window's buffer are not the same, because they use display
code which is based on that contract. If you break the contract by
the likes of with-current-buffer, you will be lucky not to crash, let
alone cause errors.
next prev parent reply other threads:[~2021-09-01 19:23 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-29 17:21 bug#50256: thing-at-mouse Juri Linkov
2021-08-29 20:03 ` Lars Ingebrigtsen
2021-08-30 7:20 ` Juri Linkov
2021-08-31 0:04 ` Lars Ingebrigtsen
2021-08-31 6:49 ` Juri Linkov
2021-08-31 17:52 ` Juri Linkov
2021-09-01 7:17 ` Juri Linkov
2021-09-01 7:43 ` Lars Ingebrigtsen
2021-09-01 9:18 ` martin rudalics
2021-09-01 12:16 ` Eli Zaretskii
2021-09-01 14:25 ` martin rudalics
2021-09-01 15:59 ` Eli Zaretskii
2021-09-01 16:21 ` martin rudalics
2021-09-01 17:54 ` Eli Zaretskii
2021-09-01 17:59 ` Juri Linkov
2021-09-01 19:23 ` Eli Zaretskii [this message]
2021-09-02 6:16 ` Juri Linkov
2021-09-02 7:21 ` Eli Zaretskii
2021-09-02 7:23 ` Lars Ingebrigtsen
2021-09-02 7:34 ` Eli Zaretskii
2021-09-02 6:48 ` martin rudalics
2021-09-02 7:30 ` Eli Zaretskii
2021-09-02 7:32 ` Lars Ingebrigtsen
2021-09-02 7:46 ` Eli Zaretskii
2021-09-02 8:54 ` martin rudalics
2021-09-02 9:02 ` Eli Zaretskii
2021-09-02 12:42 ` martin rudalics
2021-09-02 13:13 ` Eli Zaretskii
2021-09-02 14:43 ` martin rudalics
2021-09-02 15:58 ` Juri Linkov
2021-09-02 18:28 ` Juri Linkov
2021-09-02 18:41 ` Eli Zaretskii
2021-09-03 7:40 ` martin rudalics
2021-09-03 11:06 ` Eli Zaretskii
2021-09-04 7:34 ` martin rudalics
2021-09-04 8:02 ` Eli Zaretskii
2021-09-04 11:10 ` martin rudalics
2021-09-04 11:35 ` Eli Zaretskii
2021-09-04 18:58 ` Juri Linkov
2021-09-05 7:50 ` martin rudalics
2021-09-05 7:50 ` martin rudalics
2021-09-05 9:24 ` Eli Zaretskii
2021-09-05 9:39 ` martin rudalics
2021-09-05 9:42 ` Eli Zaretskii
2021-09-06 8:31 ` martin rudalics
2021-09-05 16:13 ` Juri Linkov
2021-09-05 16:47 ` Eli Zaretskii
2021-09-06 8:31 ` martin rudalics
2021-09-06 10:57 ` Eli Zaretskii
2021-09-06 14:08 ` martin rudalics
2021-09-06 15:43 ` Eli Zaretskii
2021-09-06 15:10 ` Juri Linkov
2021-09-12 16:32 ` Juri Linkov
2021-09-02 18:46 ` martin rudalics
2021-09-03 8:10 ` Juri Linkov
2021-09-02 15:59 ` Eli Zaretskii
2021-09-01 15:42 ` Juri Linkov
2021-09-01 19:26 ` Eli Zaretskii
2021-09-01 12:02 ` Eli Zaretskii
2021-09-01 15:44 ` Juri Linkov
2021-09-01 16:12 ` Eli Zaretskii
2021-09-01 16:25 ` Juri Linkov
2021-09-12 17:12 ` Juri Linkov
2021-09-12 17:32 ` Juri Linkov
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