final GC gc = e.gc;
gc.setBackground(e.widget.getDisplay().getSystemColor(SWT.COLOR_WHITE));
gc.fillRectangle(0, 0, getBounds().width, getBounds().height);
gc.drawString("Click on the screen and the ball and the colored rectangle will move to that point in two seconds.", 5, 5);
gc.drawString("The ball and the colored rectangle don't use the same interpolator, so they will move at different rates.",
5, 20);
gc.drawString("Feel free to change the destination at any time.", 5, 35);
gc.setBackground(f_ball.getRecColor());
gc.setForeground(e.widget.getDisplay().getSystemColor(SWT.COLOR_BLACK));