GNU bug report logs - #42406
Mouse-wheel scrolling can be flickering

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From: Alan Third <alan <at> idiocy.org>
To: martin rudalics <rudalics <at> gmx.at>
Cc: Eli Zaretskii <eliz <at> gnu.org>, konrad.podczeck <at> univie.ac.at, 42406 <at> debbugs.gnu.org
Subject: bug#42406: Mouse-wheel scrolling can be flickering
Date: Tue, 15 Dec 2020 17:38:20 +0000

On Tue, Dec 15, 2020 at 08:59:35AM +0100, martin rudalics wrote:
> >> Perhaps I should get rid of the internal border code, it's new to the
> >> NS port in Emacs 28.
> >
> > You could definitely make it optional, so that people who'd like
> > faster redisplay could decide whether they are okay with giving up the
> > internal border.
> 
> I haven't looked into it but can't running that code be simply
> suppressed when no internal border should be drawn anyway?  That is,
> when the width is zero which should be the default.

The default is 2 on the NS port, and on non-GTK X builds it would
appear to be 1.

I'm inclined to just leave it as-is. If people want to try setting it
to zero themselves they can, because as you say it doesn't do anything
if it's 0.
-- 
Alan Third

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