[Tizen Application-dev] Touch events in Tizen

Carsten Haitzler (The Rasterman) tizen at rasterman.com
Thu May 28 23:30:21 GMT 2015


On Thu, 28 May 2015 11:17:04 -0700 "Peters, Brad T" <brad.t.peters at intel.com>
said:

> It's highly unlikely the Z1 hardware is the problem here. Every modern
> touch kernel driver I've seen will support at least 10 input points.
> The problem as I recall it (it's been a few years since I've touched
> the input stack in Tizen), is that touch input is translated to mouse
> events, before getting passed up through the web api. That is, indeed,
> limited to just a few simultaneous touch points.
> 
> There is support up to X / Wayland, but in or above that layer, they
> could be getting translated to mouse events.

mouse only supports a single point. not 2. it won't be that. at least in the
layer presented to webkit it gets mouse events for the first touch point, and
multi events per extra touch point after that (with an id number per multi
event to tel you which touch point it is).

> Best regards,
> -Brad Peters
> (former) Tizen Domain Architect
> 
> On Thu, May 28, 2015 at 4:22 AM, Carsten Haitzler <tizen at rasterman.com> wrote:
> > On Thu, 28 May 2015 06:08:21 +0000 (GMT) Manvir Singh Dhiman
> > <manvir.s at samsung.com> said:
> >
> >> Samsung Enterprise Portal mySingle
> >>
> >> I am working on Web APP.
> >>
> >> Hardware is Z1 mobile
> >
> > hmm don't know then. can't help you. i do know the native api can do an
> > arbitrary number of touch points (i've seen it actually work with all 5 of
> > my fingers before on a panel i knew could do 5 points). note that some
> > capacitive touch panels do have limits on the number of touch points at the
> > hardware level. i can't say if the web api has limits or not - i don't know.
> >
> >> ------- Original Message -------
> >>
> >> Sender : Carsten Haitzler<tizen at rasterman.com>
> >>
> >> Date : May 28, 2015 11:37 (GMT+05:30)
> >>
> >> Title : Re: [Tizen Application-dev] Touch events in Tizen
> >>
> >>  On Thu, 28 May 2015 10:35:18 +0530 Manvir Singh said:
> >>
> >> native or web app? on what hardware?
> >>
> >> > Hello,
> >> >
> >> >
> >> >
> >> > I am currently working on a multi touch based application, but it seems
> >> > like only 2 touches can be detected simultaneously.
> >> >
> >> > I need to have a logic, where 4 simultaneous touches can be handled.
> >> >
> >> >
> >> >
> >> > Please suggest if we can capture more than 2 touch event in case of
> >> > Tizen.
> >> >
> >> >
> >> >
> >> >
> >> >
> >> > Thanks & Regards,
> >> >
> >> > Manvir Singh
> >> >
> >> >
> >> >
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> >> --
> >> Carsten Haitzler (The Rasterman)
> >>
> >>
> >>
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> > Carsten Haitzler (The Rasterman) <tizen at rasterman.com>
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-- 
Carsten Haitzler (The Rasterman) <tizen at rasterman.com>


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