[PATCH v7 wayland] protocol: add wl_pointer.frame, axis_source, axis_stop, and axis_discrete

[Bill Spitzak]

On Mon, Dec 7, 2015 at 5:11 PM, Peter Hutterer <peter.hutterer at who-t.net>
wrote:

>
> +    <enum name="axis_source">
> +      <description summary="axis source types">
> +       Describes the source types for axis events. This indicates to the
> +       client how an axis event was physically generated; a client may
> +       adjust the user interface accordingly. For example, scroll events
> +       from a "finger" source may be in a smooth coordinate space with
> +       kinetic scrolling whereas a "wheel" source may be in discrete steps
> +       of a number of lines.
>

With the addition of the axis_discrete events it seems like this no longer
is for distinguishing smooth coordinate space from discrete steps. I think
this description wants to be reworded to remove that. Also clarify what a
trackball with smooth motion should produce.
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