Trackball Scroll Speed with Buster (Wayland / X11)

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Trackball Scroll Speed with Buster (Wayland / X11)

Postby barry.deb » 2019-01-31 16:28

Hi All.

I have a Kensington Slimblade Trackball. It works fine, except for the scroll speed. It scrolls painfully slow (like 1 line per click, which on a big document takes forever).

By default my system is running Wayland (libinput), and I can't seem to find any settings that reference scroll speed using
Code: Select all
xinput list-props

If I log in under X11, I can see more options for scroll (in xinput list-props), I've tried to tweak a few but no difference can be detected....

From searching the internet, I've found some suggestions that I should move to X11 using the evdev driver (which is not installed by default), but I have not tried this. So my questions are:

* Is there a possible fix for this under Wayland?

* If not, should I move to X11 using evdev as opposed to libinput?
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Re: Trackball Scroll Speed with Buster (Wayland / X11)

Postby bw123 » 2019-01-31 16:43

Using evdev did fix a similar issue with mouse scrolling very slowly under X11 for me. IIRC, libinput does not work with xinput the same way that evdev did, so some interfaces that used xinput to set certain things like scrolling dont function anymore. Instead, this is a wheel click setting in udev, called MOUSE_WHEEL_CLICK_ANGLE but I never figured out how to correctly adjust it.

It was so easy to just go back to evdev, I gave up on libinput.

This will hopefully get caught up soon, so everything works with libinput like it used to before. I don't use testing, so I'd think you should research it, and let me know, instead of the other way around?

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