pub const EV_KEY: u64 = _; // 72_057_594_037_927_936u64Expand description
イベントのエンコード (u64): bits 56..63 = 種別 (1=Key, 2=Mouse, 3=Closed) Key : bits 0..7 = keycode, bit 8 = pressed, bits 16..31 = ascii (0 なら None) Mouse: bits 0..15 = x (i16), bits 16..31 = y (i16), bit 32 = 左ボタン, bits 40..47 = wheel (i8)