On Fri, Jan 14, 2011 at 04:13:29PM +0100, Gerd Hoffmann wrote: > Hi, > > >So it'd end up being (x,y,pressure) N times (I think 16 is fine for > >the foreseeable future). > > I'd tend to extend MOVE to (x,y,pressure,index) and send N events > with the same timestamp. Needs to send only as many events as it > finds fingers on the touchpad, i.e. usually just one or two, even if > the protocol can easily handle alot more than 16 ;)
Doesn't that lose the coincidence? I expect mostly presses happen sequentially (milliseconds apart maybe, but still), so probably not an issue at all. > > For a simple tablet pressure and index would just be 0. > > >The details of what exactly that means > >should be figured out by the guest driver. > > Agree. > > >I'm not familiar with the hardware interface, but in order to support > >that the background interface must be a lot more complex than a > >simple button press. > > Buttons events are for buttons. Real ones, which apple lost ;) > > Of course a tap on the trackpad is usually interpreted as mouse > click. But that is the job of the guest OS, our virtual hardware > doesn't care. > > >But then again - how would we forward fine-grained scrolling to the > >guest if we only know that it's scrolling, but not what the actual > >presses on the touchpad looked like? Ugh. > > There must be an interface to get (more or less) the raw touchpad > data, for apps which want implement their own multitouch gestures? > > cheers, > Gerd > > _______________________________________________ Spice-devel mailing list Spice-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/spice-devel
