From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Eli Zaretskii <eliz@gnu.org>
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: Fri, 13 Jun 2014 10:14:03 -0400 [thread overview]
Message-ID: <jwv7g4k7wbo.fsf-monnier+emacsbugs@gnu.org> (raw)
In-Reply-To: <83r42tvt0l.fsf@gnu.org> (Eli Zaretskii's message of "Fri, 13 Jun 2014 16:27:54 +0300")
> Not necessarily: there are the w->optional_new_start and
> w-> force_start flags, which determine what redisplay does with
> window-start in these cases.
> Also, the window-start could be set to a value that leaves point out
> of the displayed area, in which case it won't be in effect.
Right, but these fall back into the case where redisplay performs
a second pass trough the window/buffer, so it's similar to the scrolling
case, right?
>> If OTOH redisplay decides to scroll, it won't re-execute
>> pre-redisplay-function, so Elisp doesn't get a chance to react to this
>> new window-start.
> ??? Then what are those calls to run_window_scroll_functions that
> redisplay issues?
Ah, right, I forgot about this. So maybe window-scroll-functions is the
answer to the OP's needs!
Stefan
next prev parent reply other threads:[~2014-06-13 14:14 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
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 [this message]
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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