Method mousePressed

core/src/processing/awt/PSurfaceAWT.java:734–737

(java.awt.event.MouseEvent e)

      label.setForeground(new Color(stopColor, false));
      label.addMouseListener(new MouseAdapter() {
        @Override
        public void mousePressed(java.awt.event.MouseEvent e) {
          sketch.exit();
        }
      });
      frame.add(label);