[RFC] weston: Sony clickpad support

Kristian Høgsberg hoegsberg at gmail.com
Thu Aug 15 14:48:48 PDT 2013

On Thu, Aug 15, 2013 at 12:10:30PM +0100, Daniel Stone wrote:
> Hi,
> On 15 August 2013 11:52, Peter Hutterer <peter.hutterer at who-t.net> wrote:
> > one of the things that should be done is to figure out _where_ features such
> > as this are going to be handled. In the compositor, the compositor's input
> > module, on the client side, ... ? I'm trying to figure out how to handle
> > this correctly, but don't have much to show here just yet.
> >
> > For example, wl_pointer only has a button event, which means that a client
> > cannot differ between a tap and a button click. no doubt this should be in a
> > piece of shared code, but right now it's not quite sure what can be
> > shared where yet.
> ... does it need to?

I don't think we do... I think that from a client point of view, a
touchpad/clickpad looks exactly like a wl_pointer.  Gestures such as
two-finger scrolling, double-tap-drag, two-finger clicks, interpreting
clicking in different as different buttons etc can all be done in the
compositor and sent as either wl_pointer button and move events or
axis events (scroll, pinch, rotate).


> Cheers,
> Daniel
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