package example;
//-*- mode:java; encoding:utf8n; coding:utf-8 -*-
// vim:set fileencoding=utf-8:
//@homepage@
import java.awt.*;
import java.awt.image.*;
import java.awt.geom.*;
import javax.swing.*;
public class MainPanel extends JPanel{
public MainPanel(JFrame frame) {
super();
frame.setJMenuBar(createMenubar());
setPreferredSize(new Dimension(320, 180));
}
public JMenuBar createMenubar() {
final TexturePaint texture = makeTexturePaint();
JMenuBar mb = new JMenuBar() {
@Override protected void paintComponent(Graphics g) {
Graphics2D g2 = (Graphics2D)g;
g2.setPaint(texture);
g2.fillRect(0, 0, getWidth(), getHeight());
super.paintComponent(g);
}
};
mb.setOpaque(false);
String[] menuKeys = {"File", "Edit", "Help"};
for(String key: menuKeys) {
JMenu m = createMenu(key);
if(m != null) mb.add(m);
}
return mb;
}
private JMenu createMenu(String key) {
JMenu menu = new JMenu(key) {
@Override protected void fireStateChanged() {
ButtonModel m = getModel();
if(m.isPressed() && m.isArmed()) {
setOpaque(true);
}else if(m.isSelected()) {
setOpaque(true);
}else if(isRolloverEnabled() && m.isRollover()) {
setOpaque(true);
}else{
setOpaque(false);
}
super.fireStateChanged();
};
};
menu.setBackground(new Color(0,0,0,0)); //XXX windows lnf?
menu.add("dummy1"); menu.add("dummy2"); menu.add("dummy3");
return menu;
}
private BufferedImage makeBGImage() {
Color color = new Color(200,150,100,50);
int cs = 6;
int sz = cs*cs;
BufferedImage img = new BufferedImage(sz,sz,BufferedImage.TYPE_4BYTE_ABGR);
Graphics2D g2 = img.createGraphics();
g2.setPaint(color);
g2.fillRect(0,0,sz,sz);
for(int i=0;i*cs<sz;i++) {
for(int j=0;j*cs<sz;j++) {
if((i+j)%2==0) g2.fillRect(i*cs, j*cs, cs, cs);
}
}
g2.dispose();
//try{
// img = javax.imageio.ImageIO.read(getClass().getResource("test.gif"));
//}catch(java.io.IOException ioe) {
// throw new RuntimeException(ioe);
//}
return img;
}
private TexturePaint makeTexturePaint() {
BufferedImage img = makeBGImage();
int w = img.getWidth(), h = img.getHeight();
Rectangle2D r2d = new Rectangle2D.Float(0,0,w,h);
return new TexturePaint(img, r2d);
}
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
createAndShowGUI();
}
});
}
public static void createAndShowGUI() {
try{
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
}catch(Exception e) {
e.printStackTrace();
}
JFrame frame = new JFrame("@title@");
frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
frame.getContentPane().add(new MainPanel(frame));
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
}