[PATCH weston v3 1/5] protocol: Add _wl_pointer_gestures (swipe/pinch) protocol

[Bill Spitzak]

On Thu, Aug 27, 2015 at 9:11 AM, Derek Foreman <derekf at osg.samsung.com>
wrote:

> > This is something that would have to be changed in libinput, but it
> > would be a lot easier on clients if the data was consistently relative
> > to the initial begin event, rather than the scale being relative to the
> > begin event while the rotation is relative to the previous event. Also
> > it would be nice if the rotation was counter-clockwise as that is what
> > positive angles mean in most graphics libraries.
>
> Why would this need to be changed in libinput?
>

You are right, wayland can change the numbers attached to the events. I
just thought it would be confusing for the different api's to have
different values.
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