[RFC] Reporting of relative device events

[Simon Thum]

Peter Hutterer wrote:
> Instead of the current approach, it would be better to differ between
> DeviceMode and DeviceReportingMode, both independent of each other.
> 
> Comments?
> 
> The next question would then be - should this be implemented as a
> DeviceControl, thus globally. Or should it be implemented on a per-client
> basis?
I don't know how much Xi renovation is aniticipated, but why not report 
both in one (with validity bits of couse)? It avoids per-client 
processing on the server, and clients can pick what they want (given 
it's valid).