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From: Eli Zaretskii <eliz@gnu.org>
To: help-gnu-emacs@gnu.org
Subject: Re: Make scroll-{up, down} move point to {start, end} of newly visible text
Date: Tue, 08 Aug 2023 15:41:02 +0300	[thread overview]
Message-ID: <83y1iln1up.fsf@gnu.org> (raw)
In-Reply-To: <87h6pcj5x1.fsf@dataswamp.org> (message from Emanuel Berg on Sun,  06 Aug 2023 22:02:18 +0200)

> From: Emanuel Berg <incal@dataswamp.org>
> Date: Sun, 06 Aug 2023 22:02:18 +0200
> 
> Eli Zaretskii wrote:
> 
> > We have this only for scrolling with the scroll bar: see
> > scroll-bar-adjust-thumb-portion. Implementing this for every
> > possible kind of scrolling would need changes to C code,
> > I think, since scrolling is actually performed by the
> > display engine.
> 
> If one can get the state of scrolling in a window in Elisp one
> could solve this in Elisp only since then one could write
> a new scroll function on top of the old, and what it would do
> is - based on that information - it would either scroll
> normally or not call the function at all, if scrolling was
> determined not to make any sense.

I think your mental model of how scrolling works in Emacs is not
accurate.  What do you think "scrolling functions" do in Emacs?



  reply	other threads:[~2023-08-08 12:41 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-07-31 20:18 Make scroll-{up, down} move point to {start, end} of newly visible text Spencer Baugh
2023-08-01  1:26 ` [External] : " Drew Adams
2023-08-01 11:44   ` hw
2023-08-01  5:11 ` Michael Heerdegen
2023-08-01 14:49   ` [External] : " Drew Adams
2023-08-01 11:28 ` hw
2023-08-01 14:45   ` Spencer Baugh
2023-08-01 16:05     ` hw
2023-08-01 12:42 ` Eli Zaretskii
2023-08-01 14:50   ` Spencer Baugh
2023-08-01 15:44     ` Eli Zaretskii
2023-08-01 18:09       ` Spencer Baugh
2023-08-01 18:35         ` Eli Zaretskii
2023-08-01 18:43           ` Spencer Baugh
2023-08-03 19:58             ` Spencer Baugh
2023-08-04  5:31               ` Eli Zaretskii
2023-08-06 20:02                 ` Emanuel Berg
2023-08-08 12:41                   ` Eli Zaretskii [this message]
2023-08-09 20:59                     ` Emanuel Berg
2023-08-10 17:33                       ` Eli Zaretskii
2023-08-10 18:06                         ` Emanuel Berg
2023-08-11 11:30                           ` Eli Zaretskii
2023-08-11 12:19                             ` Emanuel Berg
2023-08-11 18:40                               ` Eli Zaretskii
2023-08-11 19:00                                 ` Emanuel Berg
2023-08-12 13:30                                   ` Eli Zaretskii
2023-08-11 19:04                                 ` Emanuel Berg
2023-08-12 13:31                                   ` Eli Zaretskii
2023-08-12 15:35                                     ` Emanuel Berg
2023-08-13 13:23                                       ` Eli Zaretskii
2023-08-20  3:38                                         ` Emanuel Berg
2023-08-22 12:29                                           ` Eli Zaretskii
2023-08-22 19:41                                             ` Emanuel Berg
2023-08-24  4:43                                               ` Eli Zaretskii
2023-08-24  5:13                                                 ` Emanuel Berg
2023-08-16 16:20   ` Spencer Baugh
2023-08-16 16:53     ` Eli Zaretskii
2023-08-16 17:55       ` Spencer Baugh
2023-08-16 18:33         ` Eli Zaretskii
2023-08-16 20:32           ` Spencer Baugh
2023-08-17  5:18             ` Eli Zaretskii
2023-08-17 12:19               ` Spencer Baugh
2023-08-17 12:30                 ` Eli Zaretskii
2023-08-02 10:06 ` Emanuel Berg

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