⎡ Virtual core pointer                    	id=2	[master pointer  (3)]
⎜   ↳ Virtual core XTEST pointer              	id=4	[slave  pointer  (2)]
⎜   ↳ "SynPS/2 Synaptics TouchPad"            	id=11	[slave  pointer  (2)]
⎜   ↳ "Macintosh mouse button emulation"      	id=12	[slave  pointer  (2)]
⎣ Virtual core keyboard                   	id=3	[master keyboard (2)]
    ↳ Virtual core XTEST keyboard             	id=5	[slave  keyboard (3)]
    ↳ "Power Button"                          	id=6	[slave  keyboard (3)]
    ↳ "Video Bus"                             	id=7	[slave  keyboard (3)]
    ↳ "Sleep Button"                          	id=8	[slave  keyboard (3)]
    ↳ "Acer CrystalEye webcam"                	id=9	[slave  keyboard (3)]
    ↳ "AT Translated Set 2 keyboard"          	id=10	[slave  keyboard (3)]
    ↳ "ACPI Virtual Keyboard Device"          	id=13	[slave  keyboard (3)]