[ Thanks to jmalasko for this link.
]
“Multitouch interfaces provide a great deal of benefits for
integrating new interaction modes within applications. Newer
hardware and drivers on Mac OS X and Microsoft Windows allow for a
variety of gestures beyond point and click that create more
efficient application navigation. This article provides tools and
code needed to add some of this new gesture support on older
Linux-enabled hardware. Building on the output of the synclient
program, the Perl code presented here allows you to assign specific
application functions to ‘Three-Finger Swipe,’ as well as open- and
close-pinch gestures…”