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From: Dani Moncayo <dmoncayo@gmail.com>
To: Eli Zaretskii <eliz@gnu.org>
Cc: 27932@debbugs.gnu.org, "Richard M. Stallman" <rms@gnu.org>
Subject: bug#27932: 26.0.50; Feature request: prevent scroll commands from changing the buffer location of point
Date: Mon, 7 Aug 2017 23:09:36 +0200	[thread overview]
Message-ID: <CAH8Pv0gLL8W1GuV8qaA6hYuC0Xs5AFL-0VNtN0cdTJjcDazDrA@mail.gmail.com> (raw)
In-Reply-To: <83bmnrtjt3.fsf@gnu.org>

>> In short: point movement should trigger auto-scrolling (as now), but
>> scrolling should not move point.
>
> I see a possible misunderstanding here: the way scrolling works in
> Emacs, it moves point and then lets the display engine scroll the text
> in the window to make point visible.  So the two use cases you try to
> differentiate are actually indistinguishable as far as the display
> engine is concerned.  For example, invoking goto-char invokes the same
> display code as scrolling commands, which is why scroll-conservatively
> is obeyed even by goto-char (as many users expect).

Ok I think I understand.

Then, the proposed feature would require a rethink of that approach,
because user-requested scrolling (C-v, M-v, mouse-wheel) would _not_
be driven by point movement, obviously.

-- 
Dani Moncayo





  reply	other threads:[~2017-08-07 21:09 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-03 13:34 bug#27932: 26.0.50; Feature request: prevent scroll commands from changing the buffer location of point Dani Moncayo
2017-08-03 16:42 ` Eli Zaretskii
     [not found]   ` <CAH8Pv0gjYZZAfciNTaqKcj37C51dSdJOzD+4AZFFY2wjOu6Fgg@mail.gmail.com>
     [not found]     ` <83ini3yi49.fsf@gnu.org>
2017-08-04  6:34       ` Dani Moncayo
2017-08-04 21:36   ` Richard Stallman
2017-08-05  6:44     ` Eli Zaretskii
2017-08-05 20:19       ` Richard Stallman
2017-08-06 17:18         ` Eli Zaretskii
2017-08-06 21:00           ` Dani Moncayo
2017-08-07  2:28             ` Eli Zaretskii
2017-08-07  5:54               ` Dani Moncayo
2017-08-07 12:32                 ` Tak Kunihiro
2017-08-07 16:38                 ` Eli Zaretskii
2017-08-07 21:09                   ` Dani Moncayo [this message]
2017-08-03 17:56 ` martin rudalics
2017-08-03 23:16 ` Tak Kunihiro
2017-08-04  6:15   ` Eli Zaretskii
2017-08-04  6:39     ` Tak Kunihiro
2017-08-04  8:01       ` Eli Zaretskii
2017-08-04 10:33         ` Tak Kunihiro

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