GNU bug report logs - #36680
27.0.50; undo-tree visualizer flickering with display-buffer-reuse-frames -> t

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Michael Heerdegen <michael_heerdegen <at> web.de>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#36680: closed (27.0.50; undo-tree visualizer flickering with
 display-buffer-reuse-frames -> t)
Date: Fri, 19 Jul 2019 21:50:02 +0000

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Your message dated Fri, 19 Jul 2019 23:49:09 +0200
with message-id <87ef2lwv8q.fsf <at> web.de>
and subject line Re: bug#36680: 27.0.50; undo-tree visualizer flickering with display-buffer-reuse-frames -> t
has caused the debbugs.gnu.org bug report #36680,
regarding 27.0.50; undo-tree visualizer flickering with display-buffer-reuse-frames -> t
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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36680: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=36680
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From: Michael Heerdegen <michael_heerdegen <at> web.de>
To: bug-gnu-emacs <at> gnu.org
Subject: 27.0.50; undo-tree visualizer flickering with
 display-buffer-reuse-frames -> t
Date: Tue, 16 Jul 2019 00:23:30 +0200

Hi,

recipe from emacs -Q, after getting a source of undo-tree:

Copy to scratch and evaluate

(setq display-buffer-reuse-frames t)
(require 'undo-tree)
(undo-tree-mode)

Make some further edits to scratch for testing.  Then

C-x 5 2
C-x u
[up]...

Any time you switch the current node in the visualizer, the first frame
is raised for a very short time, then lowered again.  This is quite
annoying, it makes C-x u quite useless when you have a window in another
frame displaying the current buffer because it distracts me from seeing
what changes in the buffer, I'm unable to see it.  Setting
display-buffer-reuse-frames -> nil fixes this.

The visualizer calls

  (switch-to-buffer-other-window undo-tree-visualizer-buffer-name)

which doesn't seem to behave well in this situation.

TIA,

Michael.


In GNU Emacs 27.0.50 (build 9, x86_64-pc-linux-gnu, GTK+ Version 3.24.5)
 of 2019-07-15 built on drachen
Repository revision: fb725fc0fa320e94daf8e4aa1a3320ba60142449
Repository branch: master
Windowing system distributor 'The X.Org Foundation', version 11.0.12004000
System Description: Debian GNU/Linux bullseye/sid

[Message part 3 (message/rfc822, inline)]

From: Michael Heerdegen <michael_heerdegen <at> web.de>
To: martin rudalics <rudalics <at> gmx.at>
Cc: 36680-done <at> debbugs.gnu.org
Subject: Re: bug#36680: 27.0.50; undo-tree visualizer flickering with
 display-buffer-reuse-frames -> t
Date: Fri, 19 Jul 2019 23:49:09 +0200

martin rudalics <rudalics <at> gmx.at> writes:

> OK.  If you see no further problems, please close this bug.

I'm happy.  Thanks for working on this.

Michael.

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