[Wayland-bugs] [Bug 96315] Decreased touchpad sensitivity area

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96315

--- Comment #21 from Peter Hutterer <peter.hutterer at who-t.net> ---
(In reply to cooks.go.hungry from comment #20)
> Basically if I place my finger at the edge of my touchpad or in one of the
> corners no matter where I move my finger, as long as it does not leave the
> touchpad, there is no movement of the cursor.

this is intended, see the link regarding palm detection above

> This also means that I am unable to use the edges of my touchpad to scroll.

do you have edge scrolling enabled? your xinput list-props output above shows
you have 2-finger scrolling enabled, not edge scrolling.

run this command to enable it temporarily:
 xinput set-prop "SynPS/2 Synaptics TouchPad" "libinput Scroll Method Enabled"
0 1 0
if that does the job either write an xorg.conf snippet or get your DE to enable
it for you (eg. GNOME has a toggle for it)

> Neither of these issues were present before I installed this package. And
> even if I use my little finger (so it can't possibly think it's my palm) [..]

you're vastly overestimating the capabilities on your touchpad, sorry. it can't
even track two fingers properly (it's of the semi-mt class) and pressure
information is notoriously unreliable - that's why we don't use it for palm
detection.

anyway, afaict the problem here is that edge scrolling isn't enabled.

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