On Sun, Jan 8, 2012 at 9:56 PM, Peter Hutterer <peter.hutte...@who-t.net>wrote:
> On Sun, Jan 08, 2012 at 12:16:57AM -0800, Ping Cheng wrote:
> > On Saturday, January 7, 2012, Chris Bagwell <ch...@cnpbagwell.com>
> wrote:
> > > What was the usecase for this again?
> >
> > The goal was to disable touch events when there are more than one touch
> on
> > the tablet while wcmMT is off. That is, we only report touch events when
> > there is only one touch on the tablet.
> what's the use-case for that though? You're essentially saying you want to
> disable multitouch but still report one touch? At what point is this
> useful?
Yes, we want to report ST when there is only one finger on the tablet. We
do not want to report ST when more than one fingers are on the tablet.
> The server (1.12) only does pointer emulation for one touchpoint anyway and
> any client that actually handles touch events is rather expected to deal
> with multiple ones. Same with the in-driver touch support.
>
With your above comments, I know you are going to come back another
question: "why do you want to do that?". ;-）Well, it is becaue the kernel
MT driver doesn't do the job for us. The way that the kernel input-mt.c
emulates ST causes too much jumps while changing from ST to MT and vice
verse. Our customers, whose apps only support ST, can not accept those
jumps. They'd rather only receive reliable ST when there is only one finger
moving.
Changing the kernel MT code?! You bet ;-).
Ping
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