Easy mouse settings changing from right- to left-handed

Juraj Oravec jurajoravec at mailo.com
Sat Feb 18 13:37:33 GMT 2023

On sobota 18. februára 2023 13:09:22 CET Tobias Leupold wrote:
> Hi all!
> My little son starts to use a computer for school, so I currently
> share my notebook with him. He's left-handed (and I'm right-handed),
> so I searched for a convenient way to switch the mouse settings from
> right-handed to left-handed and vice versa, like with a small systray
> icon and just one click to do.
> The only thing I found was "mouseswap-kf5" (
> https://www.pling.com/p/998954/ ) which seems to do this exact thing.
> But it seems to be outdated and unmaintained -- I could not build it.
> I then looked into the sources and thought it could not be that hard
> to re- write or update the thing, but after messing a bit with it, I
> have to admit that I have no idea how to do it properly ;-) I could
> not even connect to some DBUS signal telling me that any
> systemsettings setting has been changed (I never worked with this
> before) ...
> So: Is there anything comparable we have in "official" KDE? And if
> not, can anybody point me to docs about how to do it, so that I can
> try to implement this myself?
> This would imo be a nice addition to the default mouse system
> settings, like "show a systray icon to switch between left- and
> right-handed" or such. I think this would be a nice extra for a lot
> of people sharing their computer with others.
> Thanks for all help and all hints :-)
> Cheers, Tobias

Hello Tobias,

Have you considered using libinput and undex Xorg xinput tool and some 
scripts around (create script and bind to keyboard shortcut, create some 

Example from my machine (mouse can have multiple entries here):
$ xinput list
⎡ Virtual core pointer		id=2	[master pointer  (3)]
⎜   ↳ Razer Razer Basilisk V3	id=17	[slave  pointer  (2)]

$ xinput --list-props 17
Device 'Razer Razer Basilisk V3':
libinput Left Handed Enabled (294):	0
libinput Left Handed Enabled Default (295):	0

$ xinput --set-prop 17 "libinput Left Handed Enabled" 1

Good luck,

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