Method start

src/main/java/ui/VirtualCanvas.java:441–446

(int key)

        public static void start(int key) {
            stop();
            timer = new Timer();
            KeyRepeatTimer repeater = new KeyRepeatTimer(key);
            timer.schedule(repeater, 400, 100);
        }
        public static void stop() {
            Timer t = timer;
            if (null != t) {