Thank you for your information. I'm not sure if Microsoft driver support user-define gesture. It just say it can config behavier of a pre-defined gesture. User-define gesture should be more useful and interesting to users. They can use touch device in their favorite and most personalized way. At the same time, the algrithm for user-define gesture recognition will be more complicated than pre-defined gesture. The standard of user-define gesture should be set up at first. <table width=100%> <tr valign=top> <td width=40%>Yuri <yuri@rawbw.com> 2013/03/14 09:28 <td width=59%> <table width=100%> <tr valign=top> <td> <div align=right>$B08@h(B</div> <td>mengyu.xia@cn.alps.com <tr valign=top> <td> <div align=right>cc</div> <td>Tom Stellard <tstellar@gmail.com> xorg-devel@lists.freedesktop.org xorg-devel-bounces+mengyu.xia=cn.alps.com@lists.x.org <tr valign=top> <td> <div align=right>$B7oL>(B</div> <td>Re: Google Summer of Code ideas needed</table> <table> <tr valign=top> <td> <td></table> </table> On 03/13/2013 18:07, <a href=mailto:mengyu.xia@cn.alps.com>mengyu.xia@cn.alps.com</a> wrote: I got an idea. Add custom gesture recognition to touchpad and touchscreen driver module Difficulty: Medium Skills Required: C Description: This project can allow user to create custom gesture for special function, like turn off notebook, start a speciel application, and so on. we need a GUI for user to config and input the gesture, and add the recognition code to synaptics module or a new created module. This can also be potentially useful on the desktop with at least this one type of mouse: <a href="http://www.microsoft.com/hardware/en-us/p/touch-mouse">http://www.microsoft.com/hardware/en-us/p/touch-mouse</a> It has the matrix of sensors and there is an open source adapter for it allowing to extract <a href=https://github.com/mcuelenaere/mstouchmouse/>https://github.com/mcuelenaere/mstouchmouse/</a> finger touch picture. If the gesture recognition, as an algorithm and gui, is properly implemented (as a user-land library), it is very easy to set up such mouse as a gesture based keyboard. Microsoft driver for it does just that on Windows. Yuri