On Tue, Mar 9, 2010 at 7:20 PM, Henry Geay de Montenon
<h.geaydemonte...@gmail.com> wrote:
>
>
> On Wed, Mar 10, 2010 at 1:22 AM, Chris Bagwell <ch...@cnpbagwell.com> wrote:
>>
>> On Tue, Mar 9, 2010 at 5:26 PM, Henry Geay de Montenon
>> <h.geaydemonte...@gmail.com> wrote:
>> >
>> >
>> > On Tue, Mar 9, 2010 at 6:40 PM, Chris Bagwell <ch...@cnpbagwell.com>

>> >> >      - when I release a finger from the screen, the cursor is going
>> >> > back
>> >> > to
>> >> > 0,0 coordinates
>> >>
>> >> Hmmm, was it jumping back to zero before the patch?  But see next
>> >> item...
>> >>
>> > It didn't, the last event displayed after releasing the last finger was
>> > the
>> > last position of the finger.
>>
>> What were you running before the patch?  Was it linuxwacom-0.8.5-10
>> kernel modules, an earlier version of linuxwacom, or the one that came
>> with your kernel?
>>
>> The linuxwacom-0.8.5-10 does send X=0/Y=0 when you lift the fingers
>> but thats without my patch.  So the behaviour shouldn't be from my
>> patch... the change may be based on how you fixed the failed patches.
>>
> sorry again, my fault, I tested again and the original linuxwacom driver is
> doing the same, the bug of the pointer going to the upper left of the screen
> was because of an evdev patch to make it support wacom devices
>

I'll keep this issue on my long term todo list.  Probably we shouldn't
be sending forced X/Y values of zero when lifting fingers but I knows
some code in wacom X driver that relies on that fact.  It should be
easy enough to hack evdev or kernel driver to ignore ABS_X and ABS_Y
when ABS_PRESSURE == 0 and/or BTN_TOUCH == 0.  ABS_TOUCH and
ABS_PRESSURE are always sent before ABS_X/Y in my patch.

I'll go look into why the patches are not cleanly applying to
linuxwacom-0.8.5-10 now.

Chris

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