From: Eli Zaretskii <eliz@gnu.org>
To: nljlistbox2@gmail.com (N. Jackson)
Cc: 18590@debbugs.gnu.org
Subject: bug#18590: 24.3.93; Scrolling changes/forgets selection
Date: Tue, 30 Sep 2014 20:59:36 +0300 [thread overview]
Message-ID: <83zjdhj8fr.fsf@gnu.org> (raw)
In-Reply-To: <87ppedf1iw.fsf@moondust.localdomain>
> From: nljlistbox2@gmail.com (N. Jackson)
> Date: Tue, 30 Sep 2014 14:42:31 -0300
>
> At 11:28 -0300 on Tuesday 2014-09-30, Eli Zaretskii wrote:
>
> > Yes, there's a good reason: a selection in Emacs is always between
> > point and the mark, and when scrolling causes it to go off the
> > displayed portion of the buffer, Emacs moves point to bring it back
> > into view, which changes the selected portion of the text.
>
> Hmm... I see. But why does point need to be visible?
Emacs always keeps point visible, it's one of the cornerstones of its
display engine.
> It makes sense to me for a program to scroll the window to keep point in
> view when the user moves point; but it doesn't make sense to me for a
> program to move point when the user scrolls the window.
Others will disagree.
It should be possible to implement a mode where point doesn't have to
be in view, but doing so will require non-trivial changes. Patches
welcome.
> Anyway, if point must be moved, please can it be put back automatically
> where it belongs when the user scrolls the window back and point's
> correct location is once again in view? Consider this a wishlist request.
Try customizing scroll-preserve-screen-position.
> I'd also like to have typing, or any command involving point, scroll the
> window so that the correct location of point comes into view and then act on
> point where it belongs rather than where Emacs has "randomly" moved it.
> Of course this would have to be an optional behaviour, something like a
> (setq point-follows-window nil). Consider it as second wishlist request?
You can have that today if you type "C-SPC" before scrolling. Then
typing "C-x C-x" after scrolling will get you back where you started.
next prev parent reply other threads:[~2014-09-30 17:59 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-30 13:07 bug#18590: 24.3.93; Scrolling changes/forgets selection N. Jackson
2014-09-30 14:28 ` Eli Zaretskii
2014-09-30 17:42 ` N. Jackson
2014-09-30 17:56 ` martin rudalics
2014-09-30 19:22 ` Stefan Monnier
2014-09-30 17:59 ` Eli Zaretskii [this message]
2014-09-30 18:09 ` Stefan Monnier
[not found] ` <mailman.10089.1412098998.1147.bug-gnu-emacs@gnu.org>
2014-10-01 13:29 ` Alan Mackenzie
2014-10-01 14:42 ` Stefan Monnier
2014-10-01 14:59 ` Drew Adams
2022-04-13 0:37 ` Lars Ingebrigtsen
2022-04-13 0:50 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
[not found] <<87k34li7ex.fsf@moondust.localdomain>
[not found] ` <<83ppedkwrs.fsf@gnu.org>
2014-09-30 15:06 ` Drew Adams
2014-09-30 15:30 ` Eli Zaretskii
[not found] <<69d7a976-96b7-49c6-bb96-e69f2fa8c93e@default>
[not found] ` <<83fvf9ktwd.fsf@gnu.org>
2014-09-30 16:43 ` Drew Adams
2014-09-30 17:00 ` Eli Zaretskii
[not found] ` <<4a1fd296-dc2f-4fb3-a854-0b4acea62f72@default>
[not found] ` <<8361g5kpqb.fsf@gnu.org>
2014-09-30 17:10 ` Drew Adams
2014-09-30 17:44 ` Eli Zaretskii
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