Move JFrame

SleekCanvas.java

        addMouseListener(new MouseAdapter() {
            public void mousePressed(MouseEvent e) {
                point.x = e.getX();
                point.y = e.getY();
            }
        });
        addMouseMotionListener(new MouseMotionAdapter() {
            public void mouseDragged(MouseEvent e) {
                Point p = getLocation();
                setLocation(p.x + e.getX() - point.x, p.y + e.getY() - point.y);
            }
        });