| Section "InputClass" | |
| Identifier "libinput touchpad custom" | |
| MatchIsTouchpad "on" | |
| MatchDevicePath "/dev/input/event*" | |
| Driver "libinput" | |
| # Map the first two buttons (normally left click and middle click) to both be left click | |
| # so that 2/3 of the touchpad is devoted to left click and 1/3 to right click. | |
| # I'm not sure, but probably on a 2 button touchpad this would eliminate right click, so | |
| # be aware. | |
| Option "ButtonMapping" "1 1" | |
| EndSection |
Maps a 3-button touchpad so that button 2 (default: middle click) becomes left click. This makes random pasting of the x selection or closing tabs you meant to switch to much less likely.
Install file to the /usr/share/X11/xorg.conf.d/ directory and restart.
You'll need libinput for it to work.