[Wayland-bugs] [Bug 103208] One-finger movement on touchpad registered as two-finger scrolling with edge exclusion zone is touched

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103208

--- Comment #9 from Peter Hutterer <peter.hutterer at who-t.net> ---
we've had this feature since forever, synaptics also supports it and some
people prefer it that way. not something I'll remove anytime soon. You're also
overestimating the precision that current touchpads give you, any slow
two-finger motion is likely to only have a single finger movement in any given
event. 

we do check the finger motion to differ between pinch and scroll, but macos has
the advantage of only having to care about the mac touchpads which are still
better than almost anything else (and they probably having more people working
on it too...).

see
https://cgit.freedesktop.org/wayland/libinput/tree/src/evdev-mt-touchpad-gestures.c#n361
for the checks we have to detect the directions of the finger movements.

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