[Wayland-bugs] [Bug 103797] three-finger tap on touchpad interpreted twice

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Nov 24 07:15:45 UTC 2017


https://bugs.freedesktop.org/show_bug.cgi?id=103797

--- Comment #3 from Peter Hutterer <peter.hutterer at who-t.net> ---
not quite, the delta time that counts is the one from the EV_SYN after the
event. So you have a tripletap at 1.012535, downgraded to double tap at
1.075461 (~63ms later) with a full release 17ms later (i.e. the next hardware
event). That's a common sequence when releasing fingers.

Then, 568ms later there is another tripletap at 1.660299.

So at least for this sequence it's indistinguishable from a real 3-finger tap
done twice. And that's the sequence coming from the hardware.

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