Kinetic scroll in libinput Xorg driver
Alexis BRENON @Wayland
brenon.alexis+wayland at gmail.com
Mon Oct 24 18:42:31 UTC 2016
I would like to implement kinetic scroll in the libinput driver for Xorg.
I know that it's probably not the intended use of libinput ; as explained
in the documentation, it's the client that have to manage that.
However, as an Xorg user not happy with the synaptics driver, I would like
to add a similar feature (fixing small disagreements encountered with
synaptics) to libinput, allowing Xorg users to easily move to libinput
without losing this feature.
My first idea is to implement the kinetic scroll using a thread that sends
axis events as long as there is no button event, key event or motion event
higher than a threshold.
It makes some time since the last time I developed in C, and maybe it's not
the better way to do it. I would be happy to hear your advices.
One thing I'm thinking of is then to add some options in the Xorg
configuration file to enable/disable this feature, choose the events
stopping the kinetic scroll and change some thresholds. This will allow to
easily disable this feature in the future in case the clients manage the
kinetic scroll on their own.
What do you think of this? Is there someone already working on it? Is my
proposition a good way to implement it?
Thanks for your attention.
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