GNU bug report logs - #35740
[gtk] scroll bar jaggies / tearing

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Message #8 received at 35740 <at> debbugs.gnu.org (full text, mbox):

From: npostavs <at> gmail.com
To: Bob Hepple <bob.hepple <at> gmail.com>
Cc: 35740 <at> debbugs.gnu.org
Subject: Re: bug#35740: 26.1; scroll bar jaggies / tearing
Date: Wed, 15 May 2019 15:04:04 -0400

Bob Hepple <bob.hepple <at> gmail.com> writes:

> When I drift the sprite (mouse cursor) in and out of emacs the scroll
> bar goes a little bit crazy with animated jaggies running up and down
> its length. No other window (eg terminals, firefox etc) shows this
> artifact.
>
> I've put up a video of the glitch at https://youtu.be/EMa1OWDhVS4. It
> shows both emacs -Q and plain emacs running.

Does disabling double buffering have any effect?

    (modify-all-frames-parameters '((inhibit-double-buffering . t)))

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