https://bugs.kde.org/show_bug.cgi?id=435113

Matthias Kretz <kr...@kde.org> changed:

           What    |Removed                     |Added
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                 CC|                            |kr...@kde.org

--- Comment #77 from Matthias Kretz <kr...@kde.org> ---
I'm using 'KDE neon User'. It's been broken since a long time - I don't
remember details.

My "Logitech G502 Lightspeed" has this issue both on my Intel Laptop (with
Touchpad) and AMD Desktop (no Touchpad). When I reconnect the USB dongle, the
Mouse settings are wrong. On booting with the USB dongle plugged in, the
settings are correct. On `udevadm trigger -s input` the mouse settings are
lost.

My workaround for the time being:

* Call `xinput` to find the name of your mouse. In my case that's "Logitech
G502". I then have to prefix it with "pointer:" since the mouse also has an
entry with the same name in the keyboard section.

* Call `xinput list-props 'pointer:Logitech G502'` (use your mouse's name, of
course) once when the settings are defaulted (incorrect) and once when they are
correct. Note the differences. For me the relevant entries are "libinput
Natural Scrolling Enabled (312)" and "libinput Accel Speed (319)".

* To adjust the incorrect values I have to call `xinput set-prop
'pointer:Logitech G502' 312 1` and `xinput set-prop 'pointer:Logitech G502' 319
-0.6`.

* Write these `xinput` calls into a script and call that script every time the
mouse settings are wrong.

* TODO: call the script automatically when necessary.

* TODO: find out what part of the mouse kcm wants to do it and why it doesn't.
Calling `kcminit kcm_mouse` has no effect. Should it?

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