Does touchpads have buttons?

Peter Hutterer peter.hutterer at
Tue Sep 30 23:39:51 PDT 2008

On Wed, Oct 01, 2008 at 12:21:06AM +0200, Simon Thum wrote:
> typedef struct _AbsoluteClassRec {
>     /* Calibration. */
>     int         min_x;
>     int         max_x;
>     int         min_y;
>     int         max_y;
>     int         flip_x;
>     int         flip_y;
>     int		rotation;
>     int         button_threshold;
>     /* Area. */
>     int         offset_x;
>     int         offset_y;
>     int         width;
>     int         height;
>     int         screen;
>     XID		following;
> } , *AbsoluteClassPtr;
> All that crap gets initialized, copied, whatever, it's just not made use  
> of. This led me to give Soeren the bogus advice so use it, but it seems  
> not really possible. What's the state of this Xinput part? Deprecated or  
> incomplete?

>From a quick grep in the xserver tree, all this is essentially for the
DeviceControl interface and changes to the above are supposed to be passed to
the driver that then does stuff.

The devicecontrol interface is being replaced by properties, so assume it as


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