[samuele@vaio /]$
[samuele@vaio /]$ xinput -list-props 12
Device 'ImPS/2 Generic Wheel Mouse':
Device Enabled (135): 1
Coordinate Transformation Matrix (137): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
Device Accel Profile (255): 0
Device Accel Constant Deceleration (256): 1.000000
Device Accel Adaptive Deceleration (257): 1.000000
Device Accel Velocity Scaling (258): 10.000000
Evdev Axis Inversion (259): 0, 0
Evdev Axes Swap (261): 0
Axis Labels (262): "Rel X" (145), "Rel Y" (146)
Button Labels (263): "Button Left" (138), "Button Middle" (139), "Button Right" (140), "Button Wheel Up" (141),
"Button Wheel Down" (142), "Button Horiz Wheel Left" (143), "Button Horiz Wheel Right" (144)
Evdev Middle Button Emulation (264): 0
Evdev Middle Button Timeout (265): 50
Evdev Wheel Emulation (266): 0
Evdev Wheel Emulation Axes (267): 0, 0, 4, 5
Evdev Wheel Emulation Inertia (268): 10
Evdev Wheel Emulation Timeout (269): 200
Evdev Wheel Emulation Button (270): 4
Evdev Drag Lock Buttons (271): 0
[samuele@vaio /]$
props 12 da dove l’hai ricavato che non capisco?