GNU bug report logs - #20829
25.0.50; `compilation-set-window' calls `window-fringes' with wrong window selected

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Drew Adams <drew.adams <at> oracle.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 25.0.50; `compilation-set-window' calls `window-fringes' with wrong
 window selected
Date: Tue, 16 Jun 2015 12:40:52 -0700 (PDT)

Debugging shows me that when I use `C-x `' from another frame than the
compilation-buffer frame, `compilation-goto-locus' calls
`compilation-set-window', and that then calls `window-fringes', the
compilation-buffer window is not selected (not in some contexts anyway),
so the test for no left window fringe is done in the wrong window.

It is probably enough, to repro this (but I haven't tried), to have
`default-frame-alist' show left fringe bug have `special-display-alist'
not show left fringe, and to have the compilation buffer (e.g. `*grep*')
be special-display.

In the debugger I see that `compilation-goto-locus' calls
`display-buffer' but does not select the compilation-buffer window.
Then `compilation-set-window' is called without the compilation-buffer
window being selected.  Eventually that window is selected, but that
happens after the call to `compilation-set-window'.

In GNU Emacs 25.0.50.1 (i686-pc-mingw32)
 of 2014-10-20 on LEG570
Bzr revision: 118168 rgm <at> gnu.org-20141020195941-icp42t8ttcnud09g
Windowing system distributor `Microsoft Corp.', version 6.1.7601
Configured using:
 `configure --enable-checking=yes,glyphs CPPFLAGS=-DGLYPH_DEBUG=1'

Message #10 received at 20829-done <at> debbugs.gnu.org (full text, mbox):

From: martin rudalics <rudalics <at> gmx.at>
To: Drew Adams <drew.adams <at> oracle.com>, 20829-done <at> debbugs.gnu.org
Subject: Re: bug#20829: 25.0.50;
 `compilation-set-window' calls `window-fringes'
 with wrong window selected
Date: Sat, 04 Jul 2015 10:47:45 +0200

> In GNU Emacs 24.3.90.1 (i686-pc-mingw32)
>   of 2014-04-12 on LEG570
> Windowing system distributor `Microsoft Corp.', version 6.1.7601
> Configured using:
>   `configure --enable-checking 'CFLAGS=-O0 -g3' CPPFLAGS=-DGLYPH_DEBUG=1'

Shoud be fixed for Emacs 25.  Please check as soon as you get new
binaries.

Thanks, martin

Message #13 received at 20829-done <at> debbugs.gnu.org (full text, mbox):

From: Drew Adams <drew.adams <at> oracle.com>
To: martin rudalics <rudalics <at> gmx.at>, 20829-done <at> debbugs.gnu.org
Subject: RE: bug#20829: 25.0.50; `compilation-set-window' calls
 `window-fringes' with wrong window selected
Date: Sat, 4 Jul 2015 08:03:11 -0700 (PDT)

> Shoud be fixed for Emacs 25.  Please check as soon as you get new
> binaries.

I will take your word for this.  Thanks for working on it.

Message #16 received at 20829-done <at> debbugs.gnu.org (full text, mbox):

From: martin rudalics <rudalics <at> gmx.at>
To: Drew Adams <drew.adams <at> oracle.com>, 20829-done <at> debbugs.gnu.org
Subject: Re: bug#20829: 25.0.50;
 `compilation-set-window' calls `window-fringes'
 with wrong window selected
Date: Sun, 05 Jul 2015 12:57:15 +0200

> I will take your word for this.

Well, I took your word that this is a bug ;-)

martin

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