KeyPress event, serial 37, synthetic NO, window 0x3c00001,
    root 0x26a, subw 0x0, time 1253255, (-545,255), root:(1047,307),
    state 0x0, keycode 37 (keysym 0xffe3, Control_L), same_screen YES,
    XLookupString gives 0 bytes:
    XmbLookupString gives 0 bytes:
    XFilterEvent returns: False

KeyRelease event, serial 37, synthetic NO, window 0x3c00001,
    root 0x26a, subw 0x0, time 1253255, (-545,255), root:(1047,307),
    state 0x4, keycode 37 (keysym 0xffe3, Control_L), same_screen YES,
    XLookupString gives 0 bytes:
    XFilterEvent returns: False

KeyRelease event, serial 37, synthetic NO, window 0x3c00001,
    root 0x26a, subw 0x0, time 1253255, (-545,255), root:(1047,307),
    state 0x0, keycode 28 (keysym 0x74, t), same_screen YES,
    XLookupString gives 1 bytes: (74) "t"
    XFilterEvent returns: False