From: Eli Zaretskii <eliz@gnu.org>
To: Alan Third <athird@googlemail.com>
Cc: 28342@debbugs.gnu.org, jamesn@fastmail.com, charles@aurox.ch,
james@jojojames.com
Subject: bug#28342: 26.0.50; (OSX) Jumpy Scrolling using Trackpad
Date: Wed, 06 Sep 2017 19:55:41 +0300 [thread overview]
Message-ID: <83h8wf22cy.fsf@gnu.org> (raw)
In-Reply-To: <CABGBtwnm-ZP2k_59wDuyqvkQXcoE8uWv_o=xB-nKJ+NfB1nKvw@mail.gmail.com> (message from Alan Third on Wed, 6 Sep 2017 09:53:54 +0100)
> From: Alan Third <athird@googlemail.com>
> Date: Wed, 6 Sep 2017 09:53:54 +0100
> Cc: 28342@debbugs.gnu.org, "Charles A. Roelli" <charles@aurox.ch>,
> James Nguyen <james@jojojames.com>
>
> I can replicate on ms windows using just:
>
> (setq scroll-margin 5)
> (setq scroll-preserve-screen-position 1)
> (setq mouse-wheel-scroll-amount '(1))
>
> Open a large file. Make sure you're at the start of the file
>
> M-<
>
> Scroll down with the mouse wheel and within a few clicks point jumps to the middle of the screen. A few more
> and it jumps to the end of the file.
Even simpler: after evaluating the first 2 of the above 3 settings,
visit xdisp.c, then type this twice:
C-u 1 C-v
After you type this the second time, Emacs will infloop.
This bug is already present in Emacs 25.1.
I will look into this when I have time. Thanks for the recipe.
next prev parent reply other threads:[~2017-09-06 16:55 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-04 0:22 bug#28342: 26.0.50; (OSX) Jumpy Scrolling using Trackpad James Nguyen
2017-09-05 20:14 ` Charles A. Roelli
2017-09-06 1:14 ` James Nguyen
2017-09-06 8:53 ` Alan Third
2017-09-06 16:55 ` Eli Zaretskii [this message]
2017-09-07 1:58 ` Nick Helm
2017-09-09 14:25 ` Eli Zaretskii
2017-09-09 14:22 ` Eli Zaretskii
2017-09-10 1:14 ` James Nguyen
2017-09-10 2:40 ` Eli Zaretskii
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