Openmoko Bug #218: Distinguish stylus from finger via tslib

Stefan Monnier monnier at
Wed Nov 5 18:40:02 CET 2008

>> >  Theoretically speaking, this can be done by filtering the jitter of
>> >  moving events.  The jitter effect with finger press is larger than
>> >  that with stylus press.
>> >  Do we really need this?
>> I was thinking recently that it could be used to make all applications
>> "finger usable": if you detect a finger and it's been pressed for
>> a while on the same spot, show the pressed area magnified (as is done
>> with the illume keyboard, except do it for all apps but only when you
>> detect a finger).
> Magnifying an area to enable one to select tiny buttons doesn't really make 
> it "finger usable", it just simplifies using finger-unusable apps imo...

That's why I said "finger usable" rather than "finger friendly".


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