https://bugs.kde.org/show_bug.cgi?id=471397
Bug ID: 471397
Summary: systemsettings: expose libinput's Mouse Wheel
Emulation setting
Classification: Applications
Product: systemsettings
Version: 5.27.4
Platform: openSUSE
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: kcm_mouse
Assignee: plasma-b...@kde.org
Reporter: m...@koshaq.net
CC: natalie_clar...@yahoo.de
Target Milestone: ---
SUMMARY
***
I'm using an Elecom EX-G trackball, which has a convenient extra button to
scroll using the ball when held. I'm also using Wayland (I have two HiDPI
displays with different resolutions, so I'm forced to apply different
fractional scaling factors for each display).
Under GNOME, you can enable mouse wheel emulation with a dconf setting. When
using X, this can be managed by setting libinput properties, or editing
xorg.conf (if I remember correctly). KDE, however, doesn't have this setting
exposed via the system settings, and Wayland doesn't have any official way to
set properties that aren't supported by the DE.
As a result, I can't have mouse wheel emulation when running KDE on Wayland.
***
STEPS TO REPRODUCE
1. Using KDE with Wayland, there is no mouse wheel emulation available.
OBSERVED RESULT
Using KDE with Wayland, there is no mouse wheel emulation available.
EXPECTED RESULT
Mouse wheel emulation works; one can scroll with the pointing device when
holding a button, instead of using the wheel.
User can specify which button to use for initiating MW emulation.
SOFTWARE/OS VERSIONS
Windows:
macOS:
Linux/KDE Plasma: 5.27.4
(available in About System)
KDE Plasma Version:
KDE Frameworks Version:
Qt Version:
ADDITIONAL INFORMATION
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