[systemsettings] [Bug 402740] Cannot configure wheel emulation on Wayland

Javier Ortega Conde bugzilla_noreply at kde.org
Thu Sep 15 20:42:47 BST 2022


https://bugs.kde.org/show_bug.cgi?id=402740

--- Comment #2 from Javier Ortega Conde (Malkavian) <malkavian666 at gmail.com> ---
Solution found at
https://www.reddit.com/r/kde/comments/cihn8b/is_there_a_way_to_enable_scroll_emulation_for_the/

You must run krunner (the Plasma command box that you can run with Alt+F2) from
Wayland, write KWin and it will show "Open kwin debug console" as first option
probably. Run that, there go to "Input devices tab", probably enlarge first
column by click and move in the small bar between columns so you can see
complete names, search there your mouse, mine is called "PixArt USB Optical
Mouse" and inside it in the first options there is "sysName", for me its value
is "event20". Exit kwin debug console and in linux commandline run this command
(Where XX is the mouse device event value, for me 20):

qdbus org.kde.KWin /org/kde/KWin/InputDevice/eventXX
org.kde.KWin.InputDevice.scrollOnButtonDown true


It should work after reboot too.

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