key down 17, xxxxx
input abc, xxxxx
change xxx
key up 17, xxx
key down 17, xxx
input ayb, xxx
change xxxy
key up 17, xxxy
key down 88, xxxy
input x, xxxy
change xxxy
key up 88, xxxy
key down 89, xxxy
input y, xxxy
change xxxyy
key up 89, xxxyy
