From: Eli Zaretskii <eliz@gnu.org>
To: Stefan Monnier <monnier@iro.umontreal.ca>
Cc: 16621@debbugs.gnu.org, dgutov@yandex.ru
Subject: bug#16621: 24.3.50; Periodic timer + overlays = flickering near point
Date: Thu, 06 Feb 2014 16:20:57 +0200 [thread overview]
Message-ID: <83a9e4z5iu.fsf@gnu.org> (raw)
In-Reply-To: <jwv38jwe6gc.fsf-monnier+emacsbugs@gnu.org>
> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Cc: jan.h.d@swipnet.se, dgutov@yandex.ru, 16621@debbugs.gnu.org
> Date: Thu, 06 Feb 2014 08:08:08 -0500
>
> > window that might need it. The second phase, which is entered from
> > update_frame or update_window, compares the "desired" matrices with
> > the "current" ones, and actually redraws the changed portions of the
> > display, if any. This second phase knows nothing about the flags you
> > mention, and doesn't need to, because it already refrains from
> > displaying the screen portions which didn't change.
>
> IIUC it does know a bit about it, in that only frames which had
> a redisplay bit set somewhere are passed to update_frame (at least that
> was the intention).
Maybe I'm blind, but I don't see that. In any case, the selected
frame seems to be updated regardless, if only we come to the 'update'
label in redisplay_internal. We can avoid that label, but not when
echo-area display is active.
prev parent reply other threads:[~2014-02-06 14:20 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-02 1:01 bug#16621: 24.3.50; Periodic timer + overlays = flickering near point Dmitry Gutov
2014-02-02 2:33 ` Stefan Monnier
2014-02-02 2:37 ` Dmitry Gutov
2014-02-02 16:39 ` Eli Zaretskii
2014-02-03 2:12 ` Stefan Monnier
2014-02-03 5:47 ` Eli Zaretskii
2014-02-03 13:41 ` Stefan Monnier
2014-02-03 16:14 ` Eli Zaretskii
2014-02-04 3:28 ` Stefan Monnier
2014-02-04 3:44 ` Eli Zaretskii
2014-02-04 2:34 ` Dmitry Gutov
2014-02-04 3:48 ` Eli Zaretskii
2014-02-04 6:17 ` Dmitry Gutov
2014-02-04 16:00 ` Eli Zaretskii
2014-02-04 22:08 ` Jan D.
2014-02-05 3:57 ` Eli Zaretskii
2014-02-05 6:02 ` Jan Djärv
2014-02-05 15:40 ` Eli Zaretskii
2014-02-05 13:46 ` Stefan Monnier
2014-02-05 15:59 ` Eli Zaretskii
2014-02-05 18:57 ` Stefan Monnier
2014-02-05 20:00 ` Eli Zaretskii
2014-02-05 21:46 ` Stefan Monnier
2014-02-06 5:56 ` Eli Zaretskii
2014-02-06 13:08 ` Stefan Monnier
2014-02-06 14:20 ` Eli Zaretskii [this message]
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