From: Eli Zaretskii <eliz@gnu.org>
To: Stefan Monnier <monnier@iro.umontreal.ca>
Cc: esq@lawlist.com, 17678@debbugs.gnu.org
Subject: bug#17678: 24.4.50; Feature Request -- calculate new `window-start` & `window-end` before visual redisplay
Date: Thu, 12 Jun 2014 20:54:27 +0300 [thread overview]
Message-ID: <83ha3qxbcc.fsf@gnu.org> (raw)
In-Reply-To: <jwvzjhjaz5x.fsf-monnier+emacsbugs@gnu.org>
> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Cc: esq@lawlist.com, 17678@debbugs.gnu.org
> Date: Wed, 11 Jun 2014 17:58:11 -0400
>
> > The display engine changes window-start for several reasons, only one
> > of them being that point moved off screen.
>
> Is there a comment somewhere that documents the cases where it can happen?
Not that I know of.
In general, there are functions that set the window-start forcibly.
> > I think follow-mode also needs to know when the window-end changes
> > (which could happen with no changes in window-start). This is
> > normally known only at the end of window redisplay, IIRC.
>
> In the case of follow-mode, I think the best way to handle that is to
> make it possible for follow-mode to force redisplay to go through the
> windows in a particular order.
That'd require some infrastructure that doesn't exist.
next prev parent reply other threads:[~2014-06-12 17:54 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-03 17:48 bug#17678: 24.4.50; Feature Request -- calculate new `window-start` & `window-end` before visual redisplay Keith David Bershatsky
2014-06-11 18:00 ` Stefan Monnier
2014-06-11 18:45 ` Eli Zaretskii
2014-06-11 21:58 ` Stefan Monnier
2014-06-12 17:54 ` Eli Zaretskii [this message]
2014-06-13 2:11 ` Stefan Monnier
2014-06-13 6:22 ` Eli Zaretskii
2014-06-13 12:34 ` Stefan Monnier
2014-06-13 13:27 ` Eli Zaretskii
2014-06-13 14:14 ` Stefan Monnier
2014-06-13 14:47 ` Eli Zaretskii
2014-06-13 18:47 ` Stefan Monnier
2014-06-13 20:21 ` Keith David Bershatsky
2014-06-13 20:59 ` Eli Zaretskii
2014-06-14 9:45 ` Eli Zaretskii
2014-06-14 17:10 ` Keith David Bershatsky
2014-06-15 2:24 ` Stefan Monnier
2014-06-13 16:22 ` Keith David Bershatsky
2014-06-13 17:55 ` Eli Zaretskii
2014-06-13 18:24 ` Keith David Bershatsky
2014-06-13 20:54 ` Eli Zaretskii
2014-06-13 21:19 ` Keith David Bershatsky
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