[Bug 381884] Re: Appletouch touchpad driver produces jumpy two-fingered scrolling

Kirby usawebbox at fastmail.fm
Thu Jun 25 00:44:07 UTC 2009


The jump happens during the context switch from one-finger pointing to
two-finger pointing. The reference point changes from the location of
the one finger to mid-way between the two fingers. The arrow should not
move when the second finger is added or removed. That's why it scrolls,
even though the user hasn't moved.

Just to be clear that it's not a problem of sensitivity. The input
reference point should be reset without moving the output point, when
entering and leaving two-finger mode.

-- 
Appletouch touchpad driver produces jumpy two-fingered scrolling
https://bugs.launchpad.net/bugs/381884
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