[sugar] Touchpad input (was Re: [oats-sig] OLPC and AT)

[Bert Freudenberg]

On Nov 27, 2006, at 19:30 , Dan Williams wrote:

> On Fri, 2006-11-24 at 14:08 +0000, Jonathan Chetwynd wrote:
>> It seems that a touchscreen has been rejected by OLPC, though this
>> isn't certain.
>> It's hard to understand how the proposed OLPC paint program would be
>> used effectively.
>
> Remember that the touchpad is dual-mode.  It has capacitive and
> resistive parts.  The center is both capacitive _and_ resistive, while
> the outer parts are resistive only.  That means you can use _any_ hard
> object (though not a sharp one!!) like a fingernail or a stick or a
> wooden dowel to draw on the large area of the touchpad.  That's the
> mechanism that takes the place of a touchscreen display, and one that
> also accomodates writing in languages that cannot be correctly
> represented on a keyboard (japanese, chinese, thai, etc).
>
> The resistive part also uses absolute positioning, just like a
> touchscreen does.

Is it accessed by XInput? I guess it wouldn't make much sense to map  
it to the core pointer, right?

- Bert -