I've got a buttonless touchpad, so-called clickpad, and I want to be able to perform a right click by both tapping with two fingers and clicking in the right-bottom area. The
gnome-tweak-tool allows me to change between these two behaviors but doesn't have the option to turn them on both at the same time.
I mostly use the two-finger tap for right-click, but in some applications I need to click-and-drag with the right or middle button. However the usual tap-tap-hold to emulate holding the mouse button only works with one finger, so it's not possible to use it to emulate holding of the right button.
I'm using Ubuntu 18.04 on XOrg.