GNU bug report logs - #57526
29.0.50; Precise pixel-scrolling works great with touchpad but not with mouse wheel

Previous Next

Full log

View this message in rfc822 format

From: Po Lu <luangruo <at> yahoo.com>
To: Tassilo Horn <tsdh <at> gnu.org>
Cc: 57526 <at> debbugs.gnu.org
Subject: bug#57526: 29.0.50; Precise pixel-scrolling works great with touchpad but not with mouse wheel
Date: Fri, 02 Sep 2022 20:33:05 +0800

Tassilo Horn <tsdh <at> gnu.org> writes:

> Actually, I use pgtk so that emacs runs as native wayland client but I
> guess that doesn't make a difference here.

Hmm, please show what message is displayed when you scroll with the
mouse, after running this:

  (while t (read-event) (message "Device: %s" last-event-device))

> AFAIK, X and wayland use libinput for device handling by default and
> "libinput list-devices" knows about touchpad AND USB mouse.  Of course I
> have no clue if that has any relevance wrt. emacs.

X doesn't necessarily use libinput for input handling.  It all depends
on the input drivers in use.

Most Wayland compositors do, however.

Thanks.

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.