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[Bug 773138] Re: Two finger scrolling not working with touch screen using evdev driver

 

Geistest seems to capture correct gestures, containing up to two buttons
(more probably not supported by the hardware):

Gesture id 454 type 0 finished
	attr "device id" = 10
	attr "timestamp" = 21330897
	attr "root window id" = 173
	attr "event window id" = 46137382
	attr "child window id" = 46137382
	attr "focus x" = 0.000000
	attr "focus y" = 0.000000
	attr "gesture name" = "Drag,touch=2"
	attr "touches" = 2
	attr "delta x" = -0.186823
	attr "delta y" = 0.468864
	attr "velocity x" = -0.004671
	attr "velocity y" = 0.011722
	attr "position x" = 911.900818
	attr "position y" = 455.923828
	attr "boundingbox x1" = 765.478210
	attr "boundingbox y1" = 447.109161
	attr "boundingbox x2" = 1057.202637
	attr "boundingbox y2" = 465.676208
	attr "touch 0 id" = 2.000000
	attr "touch 0 x" = 1057.202637
	attr "touch 0 y" = 465.676208
	attr "touch 1 id" = 4.000000
	attr "touch 1 x" = 765.478210
	attr "touch 1 y" = 447.109161

Gesture id 490 type 1 finished
	attr "device id" = 10
	attr "timestamp" = 21477057
	attr "root window id" = 173
	attr "event window id" = 46137382
	attr "child window id" = 46137382
	attr "focus x" = 806.000000
	attr "focus y" = 328.000000
	attr "gesture name" = "Pinch,touch=2"
	attr "touches" = 2
	attr "radius delta" = -0.999410
	attr "radial velocity" = -0.024985
	attr "radius" = 108.662643
	attr "boundingbox x1" = 676.061279
	attr "boundingbox y1" = 328.580231
	attr "boundingbox x2" = 807.924805
	attr "boundingbox y2" = 458.100739
	attr "touch 0 id" = 2.000000
	attr "touch 0 x" = 807.924805
	attr "touch 0 y" = 328.580231
	attr "touch 1 id" = 3.000000
	attr "touch 1 x" = 676.061279
	attr "touch 1 y" = 458.100739

Why are those not giving any effect in the desktop or any programs?

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https://bugs.launchpad.net/bugs/773138

Title:
  Two finger scrolling not working with touch screen using evdev driver


References