GNU bug report logs - #58176
29.0.50; mouse-set-point region flicker with highlight-nonselected-windows=t and same buffer in two windows

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Message #14 received at 58176 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: <miha <at> kamnitnik.top>
Cc: 58176 <at> debbugs.gnu.org
Subject: Re: bug#58176: 29.0.50; mouse-set-point region flicker with
 highlight-nonselected-windows=t and same buffer in two windows
Date: Fri, 30 Sep 2022 08:45:44 +0300

> From: <miha <at> kamnitnik.top>
> Cc: 58176 <at> debbugs.gnu.org
> Date: Thu, 29 Sep 2022 23:09:37 +0200
> 
> > It's a direct consequence of the fact that point is different in each
> > window.  I don't see any bug here, FWIW.  If you don't like this side
> > effect of highlight-nonselected-windows, then don't set it non-nil.
> 
> Well, maybe we could try a bit harder to reduce the flicker for ordinary
> non-dragging mouse-1 clicks. One idea could be to prevent down-mouse-1
> from activating mark until the region becomes non-zero length, so
> something like this patch.

Thanks, but this is exactly the opposite of the behavior we want.  We
currently make a significant effort to show regions of zero length.

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