scancode je to same jako keykode ?
KeyRelease event, serial 29, synthetic NO, window 0x3400001,
root 0xa2, subw 0x0, time 371909, (894,332), root:(899,405),
state 0x10, keycode 29 (keysym 0x79, y), same_screen YES,
XLookupString gives 1 bytes: (79) "y"
XFilterEvent returns: False