Getting xy-coordinate from touch-pad?

[Dov Grobgeld]

While thinking about user interface ideas for the N900 which I'm about to
buy, I thought of the idea of a "double click with motion". The idea is that
you while double clicking move your finger in one of eight directions. This
is actually more or less the same idea as the pie-menu, see:
http://en.wikipedia.org/wiki/Pie_menu . On a canvas click-up-drag would e.g.
allow zoom in and out, and click-left-drag might do panning.

But since I'm still stuck with my laptop I thought that you could really do
the same thing with the touch pad of as well, *if *there is some way of
getting the actual x,y coordinate of the "click" (hard press) on the
touchpad. So I wonder if this info is available in some driver or whether
the touch pad's absolute xy-coordinate to the mouses relative xy-motion take
place in the hardware?

Thanks!
Dov
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