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bug#14744: 24.3.50; Flickering mouse-face on process output
From: |
Eli Zaretskii |
Subject: |
bug#14744: 24.3.50; Flickering mouse-face on process output |
Date: |
Sat, 29 Jun 2013 18:16:30 +0300 |
> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Cc: Christopher Schmidt <christopher@ch.ristopher.com>, 14744@debbugs.gnu.org
> Date: Sat, 29 Jun 2013 11:08:51 -0400
>
> I consider it a bug because some part of the screen flickers.
> I understand the underlying technical reason why Emacs does that, but
> it's still a misfeature.
See my other message, where I explained the reasons for this specific
case. Not surprisingly, it's use of overlays.
> Ideally we should refrain from redrawing things that haven't
> changed
We do, but not with mouse-highlight.
> the second best fix is to use some kind of double buffering so the
> intermediate "drawn but not depressed" state is kept hidden.
I admit that I have no idea what you have in mind here, but patches
are most welcome.