FocusOut event, serial 39, synthetic NO, window 0x3800001,
    mode NotifyGrab, detail NotifyAncestor

FocusIn event, serial 39, synthetic NO, window 0x3800001,
    mode NotifyUngrab, detail NotifyAncestor

KeymapNotify event, serial 39, synthetic NO, window 0x0,
    keys:  0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   8
           0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0

KeyRelease event, serial 39, synthetic NO, window 0x3800001,
    root 0x293, subw 0x0, time 69152, (1329,344), root:(1333,375),
    state 0x10, keycode 123 (keysym 0x1008ff13, XF86AudioRaiseVolume), same_screen YES,
    XLookupString gives 0 bytes:
    XFilterEvent returns: False