I tried to start xephyr with -mouse tslib argument, but I got this error message: Couldn't find pointer driver tslib It even does not work in debian, where Xomap runs well. It seems to me, that Xephyr just can't handle pointer drivers, but Xomap can. Is that right?
cat /proc/bus/input/devices
Advantage is, you can use your window manager with stylus support (at least in apps which support them. XFCE and other gtk2 managers should be fine. Who will try to install gnome?