Code
private final SimpleDateFormat df = new SimpleDateFormat("HH:mm:ss", Locale.getDefault());
private final JLabel label = new JLabel(df.format(new Date()), SwingConstants.CENTER);
private final TexturePanel tp;
private final Timer timer = new Timer(1000, new ActionListener() {
@Override public void actionPerformed(ActionEvent e) {
label.setText(df.format(new Date()));
Container parent = SwingUtilities.getUnwrappedParent(label);
if (parent != null && parent.isOpaque()) {
repaintWindowAncestor(label);
}
}
});
private final JToggleButton button = new JToggleButton(new AbstractAction("timer") {
private JFrame digitalClock;
@Override public void actionPerformed(ActionEvent e) {
if (digitalClock == null) {
digitalClock = new JFrame();
digitalClock.setUndecorated(true);
digitalClock.setBackground(new Color(0, 0, 0, 0));
digitalClock.setDefaultCloseOperation(WindowConstants.HIDE_ON_CLOSE);
digitalClock.getContentPane().add(tp);
digitalClock.pack();
digitalClock.setLocationRelativeTo(null);
}
if (((AbstractButton) e.getSource()).isSelected()) {
TexturePaints t = (TexturePaints) combo.getSelectedItem();
tp.setTexturePaint(t.getTexturePaint());
timer.start();
digitalClock.setVisible(true);
} else {
timer.stop();
digitalClock.setVisible(false);
}
}
});
private void repaintWindowAncestor(JComponent c) {
JRootPane root = c.getRootPane();
if (root == null) {
return;
}
Rectangle r = SwingUtilities.convertRectangle(c, c.getBounds(), root);
root.repaint(r.x, r.y, r.width, r.height);
}
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