KeyPress event, serial 21, synthetic NO, window 0x1a00001,
    root 0x3b, subw 0x0, time 526042474, (13,101), root:(14,121),
    state 0x0, keycode 38 (keysym 0x0, NoSymbol), same_screen YES,
    XLookupString gives 1 bytes:  ""

KeyPress event, serial 21, synthetic NO, window 0x1a00001,
    root 0x3b, subw 0x0, time 526042690, (13,101), root:(14,121),
    state 0x0, keycode 49 (keysym 0x31, 1), same_screen YES,
    XLookupString gives 1 bytes:  "1"

KeyRelease event, serial 21, synthetic NO, window 0x1a00001,
    root 0x3b, subw 0x0, time 526042840, (13,101), root:(14,121),
    state 0x0, keycode 49 (keysym 0x31, 1), same_screen YES,
    XLookupString gives 1 bytes:  "1"

KeyRelease event, serial 21, synthetic NO, window 0x1a00001,
    root 0x3b, subw 0x0, time 526042980, (13,101), root:(14,121),
    state 0x0, keycode 38 (keysym 0x0, NoSymbol), same_screen YES,
    XLookupString gives 1 bytes:  ""