From: Eli Zaretskii <eliz@gnu.org>
To: Daniel Colascione <dancol@dancol.org>
Cc: raeburn@raeburn.org, emacs-devel@gnu.org
Subject: Re: RFC: flicker-free double-buffered Emacs under X11
Date: Fri, 28 Oct 2016 09:31:38 +0300 [thread overview]
Message-ID: <83y419rnlh.fsf@gnu.org> (raw)
In-Reply-To: <965a0fad-3e19-a72a-694b-558816ae23e0@dancol.org> (message from Daniel Colascione on Thu, 27 Oct 2016 12:56:41 -0700)
> Cc: raeburn@raeburn.org, emacs-devel@gnu.org
> From: Daniel Colascione <dancol@dancol.org>
> Date: Thu, 27 Oct 2016 12:56:41 -0700
>
> why would we ever _want_ to allow redisplay to return
> without having redrawn all garbaged frames? The design of redisplay
> suggests that a postcondition on redisplay_internal should be that
> there's nothing left to draw, at least in the case that we weren't
> interrupted by input.
Not at that point in the code, which is before update_frame was
called. In particular, the place that detects whether input is
available is inside update_frame.
IOW, redisplay is not going to return there, it is going to call
update_frame, which is the last stage of the redisplay cycle: it
delivers stuff to the glass as needed.
next prev parent reply other threads:[~2016-10-28 6:31 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-21 1:32 RFC: flicker-free double-buffered Emacs under X11 Daniel Colascione
2016-10-21 2:27 ` Lars Ingebrigtsen
2016-10-21 2:31 ` Daniel Colascione
2016-10-21 3:24 ` Óscar Fuentes
2016-10-21 3:31 ` Clément Pit--Claudel
2016-10-21 3:41 ` Óscar Fuentes
2016-10-21 3:50 ` Clément Pit--Claudel
2016-10-21 8:23 ` Andreas Schwab
2016-10-21 8:25 ` Andreas Schwab
2016-10-21 3:56 ` Clément Pit--Claudel
2016-10-21 8:49 ` Eli Zaretskii
2016-10-21 11:04 ` Daniel Colascione
2016-10-21 17:43 ` Eli Zaretskii
2016-10-21 18:27 ` Daniel Colascione
2016-10-21 19:27 ` Eli Zaretskii
2016-10-23 20:51 ` Daniel Colascione
2016-10-24 8:05 ` Eli Zaretskii
2016-10-24 18:43 ` Ken Raeburn
2016-10-27 19:06 ` dancol
2016-10-27 19:36 ` Eli Zaretskii
[not found] ` <db81befd-7a72-58d9-b7a8-107df89bcab3@dancol.org>
2016-10-27 19:56 ` Daniel Colascione
2016-10-28 6:31 ` Eli Zaretskii [this message]
2016-10-27 22:18 ` Paul Eggert
2016-10-27 22:46 ` Clément Pit--Claudel
2016-10-28 13:14 ` Stefan Monnier
2016-11-01 0:03 ` Dmitry Gutov
2016-10-27 23:10 ` Daniel Colascione
2016-10-28 2:07 ` Paul Eggert
2016-10-28 7:19 ` Eli Zaretskii
2016-11-06 3:51 ` Paul Eggert
2016-11-06 15:46 ` Eli Zaretskii
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