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I am using gnome 3.17.90 on XPS 13 2015 , arch linux. I tried use xf86-input-libinput. The touchpad works well as a mouse and for scrolling up and down.
I dont understand how can I make the multitouch for 3 and 4 fingers to work correctly. Zoom In ,Zoom Out...
I tried also with synaptic and the same problem.
At the time of writing, this looks to only be able to emit boolean events, and at the end of the gesture. i.e. you can trigger a command at the end of a pinch {in|out}, but you can't have a pinch command that updates in realtime or that is dependent on the amount of pinch. That said, libinput-debug-events does expose that information, and Mark Blakeney's script does process these updates internally - it just doesn't expose them. – Ponkadoodle – 2017-01-03T00:52:08.263