public void setVisible(boolean b) {
if (b) checkBackground();
super.setVisible(b);
tf.setVisible(b);
decrementButton.setVisible(b);
incrementButton.setVisible(b);
enterButton.setVisible(b);
repaint();
}
public void repaint() {
text = tf.getText();
Graphics g = getGraphics();
if (g != null) {
recalcPositions(g);
g.dispose();
}
super.repaint();
}
public void paintComponents(Graphics g) {
if (g instanceof PrintGraphics) return;
else super.paintComponents(g);
}