Never used xev before, but here's what I got:
Button 1 (left):
ButtonPress event, serial 30, synthetic NO, window 0x3800001,
root 0x40, subw 0x0, time 670678, (72,118), root
1049,140),
state 0x10, button 1, same_screen YES
ButtonRelease event, serial 30, synthetic NO, window 0x3800001,
root 0x40, subw 0x0, time 671069, (72,118), root
1049,140),
state 0x110, button 1, same_screen YES
Button 2 (middle):
ButtonPress event, serial 30, synthetic NO, window 0x3800001,
root 0x40, subw 0x0, time 789055, (79,79), root
1056,101),
state 0x10, button 2, same_screen YES
ButtonRelease event, serial 30, synthetic NO, window 0x3800001,
root 0x40, subw 0x0, time 789251, (79,79), root
1056,101),
state 0x210, button 2, same_screen YES
Button 3 (right):
ButtonPress event, serial 30, synthetic NO, window 0x3800001,
root 0x40, subw 0x0, time 864753, (59,101), root
1036,123),
state 0x10, button 3, same_screen YES
ButtonRelease event, serial 30, synthetic NO, window 0x3800001,
root 0x40, subw 0x0, time 864852, (59,101), root
1036,123),
state 0x410, button 3, same_screen YES
Wheel:
Down:
ButtonPress event, serial 30, synthetic NO, window 0x3800001,
root 0x40, subw 0x0, time 947484, (49,155), root
1026,177),
state 0x10, button 5, same_screen YES
ButtonRelease event, serial 30, synthetic NO, window 0x3800001,
root 0x40, subw 0x0, time 947484, (49,155), root
1026,177),
state 0x1010, button 5, same_screen YES
Up:
ButtonPress event, serial 30, synthetic NO, window 0x3800001,
root 0x40, subw 0x0, time 1014617, (92,118), root
1069,140),
state 0x10, button 4, same_screen YES
ButtonRelease event, serial 30, synthetic NO, window 0x3800001,
root 0x40, subw 0x0, time 1014617, (92,118), root
1069,140),
state 0x810, button 4, same_screen YES