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<html><head><title>Display page for TicTacToe at www.BruceEckel.com</title></head>
<FONT FACE="Verdana,Tahoma,Arial,Helvetica,Sans" SIZE="-1">
<FONT FACE="Verdana,Tahoma,Arial,Helvetica,Sans"><H2>TicTacToe.java</H2><hr></FONT>
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<OBJECT 
    classid = "clsid:CAFEEFAC-0014-0001-0001-ABCDEFFEDCBA"
    codebase = "http://java.sun.com/products/plugin/autodl/jinstall-1_4_1_01-windows-i586.cab#Version=1,4,1,1"
    WIDTH = "200" HEIGHT = "100" ALIGN = "baseline" >
    <PARAM NAME = CODE VALUE = "TicTacToe.class" >
    <PARAM NAME = "type" VALUE = "application/x-java-applet;jpi-version=1.4.1_01">
    <PARAM NAME = "scriptable" VALUE = "false">

    <COMMENT>
	<EMBED 
            type = "application/x-java-applet;jpi-version=1.4.1_01" 
            CODE = "TicTacToe.class"
            WIDTH = "200"
            HEIGHT = "100"
            ALIGN = "baseline"  
	    scriptable = false 
	    pluginspage = "http://java.sun.com/products/plugin/index.html#download">
	    <NOEMBED>
            
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<APPLET CODE = "TicTacToe.class" WIDTH = "200" HEIGHT = "100" ALIGN = "baseline">


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<FONT SIZE="+3"><PRE><B>
//: c14:TicTacToe.java
// Dialog boxes and creating your own components.
// &lt;applet code=TicTacToe width=200 height=100&gt;&lt;/applet&gt;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import com.bruceeckel.swing.*;

public class TicTacToe extends JApplet {
  private JTextField
    rows = new JTextField("3"),
    cols = new JTextField("3");
  private static final int BLANK = 0, XX = 1, OO = 2;
  class ToeDialog extends JDialog {
    private int turn = XX; // Start with x's turn
    ToeDialog(int cellsWide, int cellsHigh) {
      setTitle("The game itself");
      Container cp = getContentPane();
      cp.setLayout(new GridLayout(cellsWide, cellsHigh));
      for(int i = 0; i &lt; cellsWide * cellsHigh; i++)
        cp.add(new ToeButton());
      setSize(cellsWide * 50, cellsHigh * 50);
      setDefaultCloseOperation(DISPOSE_ON_CLOSE);
    }
    class ToeButton extends JPanel {
      private int state = BLANK;
      public ToeButton() { addMouseListener(new ML()); }
      public void paintComponent(Graphics g) {
        super.paintComponent(g);
        int
          x1 = 0, y1 = 0,
          x2 = getSize().width - 1,
          y2 = getSize().height - 1;
        g.drawRect(x1, y1, x2, y2);
        x1 = x2/4;
        y1 = y2/4;
        int wide = x2/2, high = y2/2;
        if(state == XX) {
          g.drawLine(x1, y1, x1 + wide, y1 + high);
          g.drawLine(x1, y1 + high, x1 + wide, y1);
        }
        if(state == OO)
          g.drawOval(x1, y1, x1 + wide/2, y1 + high/2);
      }
      class ML extends MouseAdapter {
        public void mousePressed(MouseEvent e) {
          if(state == BLANK) {
            state = turn;
            turn = (turn == XX ? OO : XX);
          }
          else
            state = (state == XX ? OO : XX);
          repaint();
        }
      }
    }
  }
  class BL implements ActionListener {
    public void actionPerformed(ActionEvent e) {
      JDialog d = new ToeDialog(
        Integer.parseInt(rows.getText()),
        Integer.parseInt(cols.getText()));
      d.setVisible(true);
    }
  }
  public void init() {
    JPanel p = new JPanel();
    p.setLayout(new GridLayout(2,2));
    p.add(new JLabel("Rows", JLabel.CENTER));
    p.add(rows);
    p.add(new JLabel("Columns", JLabel.CENTER));
    p.add(cols);
    Container cp = getContentPane();
    cp.add(p, BorderLayout.NORTH);
    JButton b = new JButton("go");
    b.addActionListener(new BL());
    cp.add(b, BorderLayout.SOUTH);
  }
  public static void main(String[] args) {
    Console.run(new TicTacToe(), 200, 100);
  }
} ///:~
</B></PRE></FONT>
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