[PATCH libXi] Implement support for XI 2.2

[Chase Douglas]

On 12/18/2011 04:04 PM, Peter Hutterer wrote:
> Adds support for the new TouchClass for multitouch-capable servers/devices.
> 
> New events:
>   XITouchOwnershipEvent
> 
> New event types handled:
>   XITouchBegin, XITouchUpdate, XITouchEnd
>   XIRawTouchBegin, XIRawTouchUpdate, XIRawTouchEnd
> 
> New functions:
>   XIGrabTouchBegin ... passive grabs on touches
>   XIUngrabTouchBegin
>   XIAllowTouchEvents ... Allow/reject touch event sequences
> 
> New XIQueryDevice classes:
>   XITouchClassInfo
> 
> Requires libX11 1.5 for GetReqSized
> 
> Co-authored by: Chase Douglas <chase.douglas at canonical.com>
> Signed-off-by: Peter Hutterer <peter.hutterer at who-t.net>

I'm not sure if it makes sense since I'm a co-author, but just in case:

Reviewed-by: Chase Douglas <chase.douglas at canonical.com>