I also played around with synclient. But I was not able to find a satisfying setting. I also checked "man synaptics" which describes the possible settings. Do you know which settings are most important or a kind of configuration howto. If I understood correctly I need to specify the area of the three buttons manually.
Here are the contents
ls /usr/share/ X11/xorg. conf.d/
10-evdev.conf quirks. conf trackpoint. conf quirks. conf
11-evdev-
11-evdev-
50-vmmouse.conf
50-synaptics.conf
50-wacom.conf
51-synaptics-
I also played around with synclient. But I was not able to find a satisfying setting. I also checked "man synaptics" which describes the possible settings. Do you know which settings are most important or a kind of configuration howto. If I understood correctly I need to specify the area of the three buttons manually.