On Tue, Aug 30, 2011 at 11:01 PM, Favux ... <favux...@gmail.com> wrote:
> Hi Chris,
>
> Testing the tag gesture3 with Natty's 2.6.38.11 kernel's wacom.ko I'd
> say both scroll and zoom responsiveness are improved.
>
> There's less lag, and while there is still a little pointer jumping
> once you get the "feel" you can keep it where you want it while
> zooming.

Good to get zooming opinion.  I never used it before so couldn't tell
much if its improved.

Are you seeing pointer jumping during whole time of zoom or only when
initially attempting to zoom?

I still expect it during initial touching.  Right now, it has only a
hard coded 10ms holdoff to prevent movement while its deciding if your
going to put down a second finger or not.  Thats to short and
definitely I see movement during initial touch.  FYI: modify
wcmTouchFilter.c:WACOM_GESTURE_LAG_TIME if you want to play with
better values.

I haven't touched this yet because I'm going to make it a
provisionable SingleTouchTimeout.

>
> I do have a question about the scroll implementation.  Once the scroll
> gesture is recognized the "momentum" carries it to the end of the
> contents.  That doesn't seem to be natural to me.  There doesn't
> appear to be a way to stop in a document or thread.  And the speed
> means you had better be a very fast reader.

The only option right now is to modify the "Wacom Touch Gesture
Parameters" to increase the ScrollDistance.  This will require more
movement to send those scroll button events.. which should have a side
affect of not so many pending events on the queue to process.

If you find a comfortable value, let us know.  Maybe it should become
new default.

Real "momentum" support doesn't exist in code (not like
xf86-input-synaptics has).  Thats a ways down the road...

>
> I'll test input-wacom-0.11.1 next.  Do you need the single finger
> patches tested?

Naah... unless you have a ISDV4 tablet PC to test on.

>
> Favux
>

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