On Sat, 6 Feb 2010 11:52:53 +0530 Prabu Surendra <prabu.suren...@gmail.com> wrote:
> I am working with a company that is coming out with a multi-touch > controller that can also measure the force applied by the fingers. So > basically, along with x and y values, now we have z values. I believe > this will give rise to a unique way on how a user interact. We have a > driver that can get these three values from the controller. But I > have no idea how to make it work all the way through Window manager. > I am a pure kernel programmer and have no experience dealing with any > of the components in the display interface stack. Have a look at how things like graphics tablets are supported. They have X, Y, pressure, tilt, different pens, and sometimes more things to support. Admittedly there is only one "finger", but X can handle multiple input devices, so a bunch of graphics tablets at once with pressure could simulate the sort of data your device can send. I hope that points you in the right direction. If you want to see an example of this going all the way through to the application level, GIMP has good support for multiple input devices, including graphics tablets naturally. If this device of yours can handle long and strong fingernails, I want one. B-)
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