On 11.01.2013, at 16:32, Paul Fox <p...@laptop.org> wrote:

> bert wrote:
>> 
>> On 11.01.2013, at 05:22, Paul Fox <p...@laptop.org> wrote:
>> 
>>> bert wrote:
>>>> 
>>>> On 10.01.2013, at 21:19, John Watlington <w...@laptop.org> wrote:
>>>> 
>>>>>> More recent versions of the XO-4 touchscreen firmware should allow
>>>>>> a many-finger keyboard.  I hope someone with an XO-4 is working
>>>>>> on a demo!
>>>> 
>>>> Oh, I must have missed the announcement.  How is the raw touch data
>>>> exposed?
>>> 
>>> sorry!  a few releases of the touchscreen firmware ago, the max number
>>> of touches quietly went from 2 to 4.  full positioning is still only
>>> accurate with just 2, but the touchscreen will attempt to keep track
>>> of 4 if they're separable in at least one axis.  so there's nothing
>>> special for a program to do (i.e., no raw data to fetch).
>>> 
>>> i haven't experimented with the feature much, but gonzalo has the
>>> beginnings of a nice little piano playing activity floating around
>>> somewhere.
>> 
>> Ah, it does work indeed, see screenshot at
>> 
>> http://activities.sugarlabs.org/en-US/sugar/addon/4611
> 
> for well-placed touches only.  :-)  (i'm actually a little surprised
> that that screenshot worked.)
> 
> paul


Well, try the activity, it's actually kinda fun to confuse the system ;)

- Bert -


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