[Wayland-bugs] [Bug 104101] Cursor does not move when starting touch from side of touchpad. HP Stream 11-d077nr

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=104101

--- Comment #12 from Peter Hutterer <peter.hutterer at who-t.net> ---
timeout is 200ms, see tp_palm_detect_move_out_of_edge() in the source. That
seems fast enough for quick swipes.

as of 1.9.1, the edges are a maximum of 8mm, provided the touchpad dimensions
are correct. the theory goes that after 8mm we *should* be able to detect a
palm based on other data, e.g. pressure or touch size. not that this is
reliable on all touchpads yet, but one can hope.

> In your opinion, how large should such a motion be to 'un-palm' the touch which
> started and hung out for too long in an exclusion zone? (i.e. if someone found
> time to add such an enhancement :)

honestly, I don't know. It's a lot of trial and error until you eventually find
something that seems to work. That's the best answer I can give you here, your
guess is as good as mine.

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