1212

    https://askubuntu.com/questions/130393/how-to-configure-the-touchpad-middle-click

file:///usr/share/X11/xorg.conf.d/51-synaptics-quirks.conf

Identifier "touchpad ignore duplicates"

    MatchIsTouchpad "on"

    MatchOS "Linux"

    MatchDevicePath "/dev/input/mouse*"

    Option "Ignore" "on"

file:///usr/share/X11/xorg.conf.d/70-synaptics.conf

Section "InputClass"

Identifier "Dell Inspiron embedded buttons quirks"

MatchTag "inspiron_1011|inspiron_1012"

MatchDevicePath "/dev/input/event*"

Driver "synaptics"

Option "JumpyCursorThreshold" "90"

EndSection

Section "InputClass"

Identifier "Dell Inspiron quirks"

MatchTag "inspiron_1120"

MatchDevicePath "/dev/input/event*"

Driver "synaptics"

Option "JumpyCursorThreshold" "250"

EndSection

Section "InputClass"

Identifier "HP Mininote quirks"

MatchTag "mininote_1000"

MatchDevicePath "/dev/input/event*"

Driver "synaptics"

Option "JumpyCursorThreshold" "20"

EndSection