[Wayland-bugs] [Bug 105043] 3-fingers touch occasionally fails to get detected

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105043

Peter Hutterer <peter.hutterer at who-t.net> changed:

           What    |Removed                     |Added
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             Status|NEEDINFO                    |ASSIGNED

--- Comment #23 from Peter Hutterer <peter.hutterer at who-t.net> ---
> event10 - tap: touch 0 state TAP_STATE_TOUCH_2 → TAP_EVENT_MOTION → TAP_STATE_TOUCH_2_HOLD

That's still the problem here, a motion event after the second finger down
causes it to not detect the tap. I think this may be related to how we handle
semi-mt touchpads too, because we treat them effectively as single-finger
touchpads. In the 20.550366 event you get a large finger movement as slot 1
ends but because we process slots in order, I wonder if that triggers a bug
where we think there's movement before we realise it's part of the finger up.

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