Completely redifine clickpad actions. Three finger scrolling. Two finger dragging

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http://askubuntu.com – Is there a way to completely remap actions of clickpad / touchpad? I would like to be able to configure these things on my Samsung Series 9 900x3c clickpad (I would pick some of them that are possible to configure): Bottom right clickpad button click would initiate left mouse button click (so the whole trackpad means only left mouse button - this would remove the need for tapping in most cases: I could just move the pointer and press down the clickpad) Two finger dragging stuff. This is an alternative for touchpad users to allow easy dragging. In this case putting down two fingers would mea (HowTos)