[PATCH v7 wayland-protocols] Add the tablet protocol

[Peter Hutterer]

sorry about the delay, this one slipped through

On Fri, Mar 11, 2016 at 04:12:55PM -0800, Jason Gerecke wrote:
> On 03/08/2016 10:10 PM, Peter Hutterer wrote:
> > Signed-off-by: Peter Hutterer <peter.hutterer at who-t.net>
> > Reviewed-by: Daniel Stone <daniels at collabora.com>
> > Reviewed-by: Jonas Ådahl <jadahl at gmail.com>
> > ---
> > Changes to v6:
> > - a bunch of typos/grammar fixes
> > - clarified the "down" event on enter
> > - clarified the "up" event, specifically: the up event isn't sent when the
> >   tool leaves the input region but rather when the compositor deems it's up
> > 

[...]

> > +
> > +	Clients should choose either value and avoid mixing degrees and
> > +	clicks. The compositor may accumulate values smaller than a logical
> > +	click and emulate click events when a certain threshold is met.
> > +	Thus, wl_tablet_tool.wheel events with non-zero clicks values may
> > +	have different degrees values.
> > +      </description>
> > +      <arg name="degrees" type="int" summary="The wheel delta in 0.01 of a degree"/>
> > +      <arg name="clicks" type="int" summary="The wheel delta in discrete clicks"/>
> > +    </event>
> 
> I just noticed this while working on the Xwayland implementation -- is
> there a reason the angles (in tilt, rotation, and here in wheel) aren't
> just using the "fixed" type? If its a wart, it might be one to remove
> before too long now that v1 has made it upstream...

hmm, good point, not sure why I didn't use wl_fixed other than "i didn't
think of it". It has finer granularity and provides the required range, so
it would be the better choice. This is something to fix in a new version
though :(

Carlos, any yay/nay comments for the GTK side?

Cheers,
   Peter