==> BorderDecorator.java <== import java.awt.*; import java.awt.event.*; //swing classes import com.sun.java.swing.text.*; import com.sun.java.swing.*; import com.sun.java.swing.event.*; import com.sun.java.swing.border.*; public class SlashDecorator extends Decorator { int x1, y1, w1, h1; public SlashDecorator(JComponent c) { super(c); } public void setBounds(int x, int y, int w, int h) { x1 = x; y1= y; w1 = w; h1 = h; super.setBounds(x, y, w, h); } public void paint(Graphics g) { super.paint(g); g.setColor(Color.red); g.drawLine(0, 0, w1, h1); } } ==> CButton.java <== import java.awt.*; import java.awt.event.*; import java.util.*; //swing classes import com.sun.java.swing.text.*; import com.sun.java.swing.*; import com.sun.java.swing.event.*; import com.sun.java.swing.border.*; import com.sun.java.swing.tree.*; public class CButton extends JButton { private boolean mouse_over = false; CButton thisbutton; public CButton(String caption) { super(caption); thisbutton = this; addMouseListener(new MouseAdapter() { public void mouseEntered(MouseEvent e) {mouse_over=true;thisbutton.repaint();} public void mouseExited(MouseEvent e) {mouse_over=false;thisbutton.repaint();} }); } public void paint(Graphics g) { super.paint(g); if(! mouse_over) { Dimension size = getSize(); g.setColor(Color.lightGray); g.drawRect(0, 0, size.width-1, size.height-1); g.drawLine(size.width-2, 0, size.width-2, size.height-1); g.drawLine(0, size.height-2, size.width-2, size.height-2); } } } ==> CoolDecorator.java <== import java.awt.*; import java.awt.event.*; //swing classes import com.sun.java.swing.text.*; import com.sun.java.swing.*; import com.sun.java.swing.event.*; import com.sun.java.swing.border.*; public class CoolDecorator extends Decorator { boolean mouse_over; //true when mose over button JComponent thisComp; public CoolDecorator(JComponent c) { super(c); mouse_over = false; thisComp = this; //save this component //catch mouse movements in inner class c.addMouseListener(new MouseAdapter() { public void mouseEntered(MouseEvent e) { mouse_over=true; //set flag when mouse over thisComp.repaint(); } public void mouseExited(MouseEvent e) { mouse_over=false; //clear flag when mouse not over thisComp.repaint(); } }); } //paint the button public void paint(Graphics g) { super.paint(g); //first draw the parent button if(! mouse_over) //if the mouse is not over the button //erase the borders { Dimension size = super.getSize(); g.setColor(Color.lightGray); g.drawRect(0, 0, size.width-1, size.height-1); g.drawLine(size.width-2, 0, size.width-2, size.height-1); g.drawLine(0, size.height-2, size.width-2, size.height-2); } } } ==> Decorator.java <== import java.awt.*; import java.awt.event.*; //swing classes import com.sun.java.swing.text.*; import com.sun.java.swing.*; import com.sun.java.swing.event.*; import com.sun.java.swing.border.*; public class Decorator extends JComponent { public Decorator(JComponent c) { setLayout(new BorderLayout()); add("Center", c); } } ==> JxFrame.java <== import java.awt.*; import java.awt.event.*; import java.util.*; //swing classes import com.sun.java.swing.text.*; import com.sun.java.swing.*; import com.sun.java.swing.event.*; public class JxFrame extends JFrame { public JxFrame(String title) { super(title); setCloseClick(); setLF(); } private void setCloseClick() { //create window listener to respond to window close click addWindowListener(new WindowAdapter() { public void windowClosing(WindowEvent e) {System.exit(0);} }); } //------------------------------------------ private void setLF() { // Force SwingApp to come up in the System L&F String laf = UIManager.getSystemLookAndFeelClassName(); try { UIManager.setLookAndFeel(laf); } catch (UnsupportedLookAndFeelException exc) {System.err.println("Warning: UnsupportedLookAndFeel: " + laf);} catch (Exception exc) {System.err.println("Error loading " + laf + ": " + exc); } } } ==> SlashDecorator.java <== import java.awt.*; import java.awt.event.*; //swing classes import com.sun.java.swing.text.*; import com.sun.java.swing.*; import com.sun.java.swing.event.*; import com.sun.java.swing.border.*; public class SlashDecorator extends Decorator { int x1, y1, w1, h1; public SlashDecorator(JComponent c) { super(c); } public void setBounds(int x, int y, int w, int h) { x1 = x; y1= y; w1 = w; h1 = h; super.setBounds(x, y, w, h); } public void paint(Graphics g) { super.paint(g); g.setColor(Color.red); g.drawLine(0, 0, w1, h1); } } ==> borderWindow.java <== import java.awt.*; import java.awt.event.*; import java.util.*; //swing classes import com.sun.java.swing.text.*; import com.sun.java.swing.*; import com.sun.java.swing.event.*; import com.sun.java.swing.border.*; public class borderWindow extends JxFrame implements ActionListener { JButton Quit, Cbutton, Dbutton; public borderWindow() { super ("Deco Button"); JPanel jp = new JPanel(); getContentPane().add(jp); jp.add( Cbutton = new JButton("Cbutton")); jp.add( Dbutton = new JButton("Dbutton")); EmptyBorder ep = new EmptyBorder(4,4,4,4); LineBorder lb = new LineBorder(Color.black, 2); Dbutton.setBorder(new CompoundBorder(lb, ep)); jp.add(Quit = new JButton("Quit")); EtchedBorder eb = new EtchedBorder(); Quit.addActionListener(this); Quit.setBorder(eb); setSize(new Dimension(200,100)); setVisible(true); Quit.requestFocus(); } public void actionPerformed(ActionEvent e) { System.exit(0); } static public void main(String argv[]) { new borderWindow(); } } ==> decoWindow.java <== import java.awt.*; import java.awt.event.*; import java.util.*; //swing classes import com.sun.java.swing.text.*; import com.sun.java.swing.*; import com.sun.java.swing.event.*; public class decoWindow extends JxFrame implements ActionListener { JButton Quit; public decoWindow() { super ("Deco Button"); JPanel jp = new JPanel(); getContentPane().add(jp); jp.add( new CoolDecorator(new JButton("Cbutton"))); jp.add( new SlashDecorator(new CoolDecorator(new JButton("Dbutton")))); //jp.add( new CoolDecorator(new JButton("Dbutton"))); jp.add(Quit = new JButton("Quit")); Quit.addActionListener(this); setSize(new Dimension(200,100)); setVisible(true); Quit.requestFocus(); } public void actionPerformed(ActionEvent e) { System.exit(0); } static public void main(String argv[]) { new decoWindow(); } }