[Development] Multitouch on top of XInput 2.2

[Christian Spielberger]

Hi,

I got multitouch on top of XInput 2.2 to work.

See http://www.youtube.com/watch?v=sRSC4CEYmIg !

Repo:
See https://gitorious.org/~cspiel/qt/cspiels-qt-4_8-with-xinput2_1 !

Branch:
4.8-XI2.2-touch

Maybe the branch can be the base for the multitouch integration for X11.

How the branch came about:
1. Applied changes of branch
git://gitorious.org/+qt-developers/qt/multipoint-touch.git which is 
based on qt 4.7.x on qt 4.8.

2. Changed multi touch handling to XI2.2.

3. Tested successfully on XOrgR7.7 with atmel_mxt_ts touch screen.

regards,
chris.