GNU bug report logs - #41338
Toolbar-bug in Emacs 27.0.91/Pretest

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Message #29 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Stephen Berman <stephen.berman <at> gmx.net>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: martin rudalics <rudalics <at> gmx.at>, bug-gnu-emacs <at> gnu.org,
 Juri Linkov <juri <at> linkov.net>, 41338 <at> debbugs.gnu.org,
 Konrad Podczeck <konrad.podczeck <at> univie.ac.at>
Subject: Re: bug#41338: Toolbar-bug in Emacs 27.0.91/Pretest
Date: Sun, 17 May 2020 14:59:55 +0200

On Sun, 17 May 2020 15:36:10 +0300 Eli Zaretskii <eliz <at> gnu.org> wrote:

> On May 17, 2020 12:11:04 PM GMT+03:00, Stephen Berman <stephen.berman <at> gmx.net> wrote:
>> On Sun, 17 May 2020 10:56:50 +0200 Stephen Berman
>> <stephen.berman <at> gmx.net> wrote:
>> 
>> > On Sun, 17 May 2020 10:20:55 +0200 martin rudalics <rudalics <at> gmx.at>
>> wrote:
>> >
>> >>> But I don't know why the ‘delete-frame’ event is not fired on
>> frame deletion.
>> >>
>> >> How do you delete the frame?  You don't get a 'delete-frame' event
>> when
>> >> you delete a frame via C-x 5 0 or C-x 5 1.
>> >>
>> >> martin
>> >
>> > In my test I followed the OP's recipe:
>> >
>> >> (7) Using the mouse, close the frame showing mouse.el, but do so in
>> a state
>> >> where still isearch overlays show up.
>> >
>> > I.e., I clicked on the 'X' (close frame button) in the frame's title
>> > bar.
>> 
>> But when I close the frame with `C-x 5 0' instead and then proceed
>> with
>> the OP's recipe, the tool bar does not change and when I switch to the
>> buffer where isearch had been invoked, the search is now abandoned,
>> i.e., no isearch tool bar or lighter, no overlays.  So only closing
>> the
>> frame by clicking the close frame button with the mouse induces the
>> surprising behavior.
>> 
>> Steve Berman
>
> Could someone please explain to me what is deemed to be the bug here?  Because
> I'm confused wrt what is the part of the original description that seems to be
> the problem.  In particular, the Isearch overlays are per-window, AFAIK.

The bug reported in the OP (the unexpected tool bar change) seems to be
triggered by isearch (it was part of the OP's recipe and I haven't been
able to reproduce it without using isearch), but maybe the observation
about isearch I reported in my followup is a separate bug or perhaps no
bug, even though it surprised me.

Steve Berman

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