import java.io.*;
import java.net.*;
import java.util.*;
import java.awt.*;
import java.applet.*;
import java.awt.event.*;
public class ANSI_Client extends Applet implements ActionListener, KeyListener, WindowListener {
private TextField inputLine = new TextField();
private Scrollbar scrolly = new Scrollbar();
private ANSI_ClientDisplay display = new ANSI_ClientDisplay(scrolly);
private String host = "localhost";
private int port = 23;
private boolean buttons = true;
private boolean isStopped = true;
private Button connect = new Button("Connect");
private Button disconnect = new Button("Disconnect");
private Button cmdLFont = new Button("Large Font");
private Button cmdSFont = new Button("Small Font");
private Button cmdDetach = new Button("Detach");
private Button cmdAttach = new Button("Attach");
private Font lFont = new Font("Courier", Font.BOLD, 14);
private Font sFont = new Font("Courier", Font.PLAIN, 12);
private CommandHistory history = new CommandHistory();
private Panel p2 = new Panel(new BorderLayout());
private Panel p1 = new Panel(new GridLayout(1, 5, 1, 1));
private Panel p0 = new Panel(new BorderLayout());
private Frame frame = null;
public static final int MAX_COMMANDS = 32;
public static boolean isApp = false;
private class CommandHistory {
private String[] buf = new String[MAX_COMMANDS];
private int length = 0;
private int position = 0;
public void add(String s) {
for (int i = 0; i < length; i++) {
if (buf[i].equals(s)) {
if (i < length - 1) {
System.arraycopy(buf, i + 1, buf, i, length - 1 - i);
}
length --;
break;
}
}
if (length >= MAX_COMMANDS) {
System.arraycopy(buf, 1, buf, 0, length - 1);
buf[MAX_COMMANDS - 1] = s;
}
else {
buf[length++] = s;
}
position = length;
}
public String up() {
if (position >= 0) {
position--;
}
if (position < 0) {
return "";
}
return buf[position];
}
public String down() {
if (position < length) {
position++;
}
if (position >= length) {
return "";
}
return buf[position];
}
}
public ANSI_Client() {
super();
inputLine.setFont(sFont);
display.setFont(sFont);
setLayout(new BorderLayout(0, 1));
setBackground(Color.white);
p0.setBackground(Color.lightGray);
p0.add(display, BorderLayout.CENTER);
p0.add(inputLine, BorderLayout.SOUTH);
p0.add(scrolly, BorderLayout.EAST);
inputLine.addKeyListener(this);
inputLine.addActionListener(this);
connect.addActionListener(this);
connect.setActionCommand("#connect");
disconnect.addActionListener(this);
disconnect.setActionCommand("#disconnect");
cmdLFont.addActionListener(this);
cmdLFont.setActionCommand("#lfont");
cmdSFont.addActionListener(this);
cmdSFont.setActionCommand("#sfont");
cmdDetach.addActionListener(this);
cmdDetach.setActionCommand("#detach");
cmdAttach.addActionListener(this);
cmdAttach.setActionCommand("#attach");
p1.setBackground(Color.lightGray);
p1.add(connect);
p1.add(disconnect);
p1.add(cmdLFont);
p1.add(cmdSFont);
if (!isApp) {
p1.add(cmdDetach);
}
p2.setBackground(Color.lightGray);
p2.add(p1, BorderLayout.WEST);
if (buttons) {
p0.add(p2, BorderLayout.NORTH);
}
add(p0, BorderLayout.CENTER);
}
public static void main(String args[]) {
isApp = true;
Frame frame = new Frame("Simple MUD Client v1.02");
ANSI_Client client = new ANSI_Client();
frame.addWindowListener(client);
frame.setLayout(new BorderLayout());
frame.add(client, BorderLayout.CENTER);
client.init();
try {
client.host = "discworld.imaginary.com";//args[0];
client.port = 4242;//Integer.parseInt(args[1]);
}
catch (Exception e) {
}
client.start();
frame.pack();
frame.setVisible(true);
}
public void init() {
try {
host = getParameter("host");
port = Integer.parseInt(getParameter("port"));
buttons = getParameter("buttons").equalsIgnoreCase("Y");
}
catch (Exception e) {
}
if (buttons) {
p0.add(p2, BorderLayout.NORTH);
}
else {
p0.remove(p2);
}
}
public void start() {
if (frame == null) {
display.connect(host, port);
inputLine.requestFocus();
super.start();
}
isStopped = false;
}
public void stop() {
if (frame == null) {
display.close();
super.stop();
}
isStopped = true;
}
public synchronized void actionPerformed(ActionEvent e) {
String command = e.getActionCommand();
if (command.equals("#disconnect")) {
display.close();
inputLine.requestFocus();
}
else if (command.equals("#connect")) {
display.connect(host, port);
inputLine.requestFocus();
}
else if (command.equals("#lfont")) {
display.setFont(lFont);
inputLine.setFont(lFont);
repaint();
inputLine.requestFocus();
}
else if (command.equals("#sfont")) {
display.setFont(sFont);
inputLine.setFont(sFont);
repaint();
inputLine.requestFocus();
}
else if (command.equals("#detach")) {
detach();
}
else if (command.equals("#attach")) {
attach();
}
else {
String s = inputLine.getText();
//inputLine.setText("");
inputLine.setCaretPosition(s.length());
inputLine.selectAll();
display.send(s);
history.add(s);
}
}
public synchronized void keyPressed(KeyEvent e) {
if (e.getModifiers() != 0) {
return;
}
switch (e.getKeyCode()) {
case KeyEvent.VK_PAGE_UP:
display.pgUp();
e.consume();
break;
case KeyEvent.VK_PAGE_DOWN:
display.pgDown();
e.consume();
break;
case KeyEvent.VK_NUMPAD1:
display.send("sw");
e.consume();
break;
case KeyEvent.VK_NUMPAD2:
display.send("s");
e.consume();
break;
case KeyEvent.VK_NUMPAD3:
display.send("se");
e.consume();
break;
case KeyEvent.VK_NUMPAD4:
display.send("w");
e.consume();
break;
case KeyEvent.VK_NUMPAD5:
display.send("look");
e.consume();
break;
case KeyEvent.VK_NUMPAD6:
display.send("e");
e.consume();
break;
case KeyEvent.VK_NUMPAD7:
display.send("nw");
e.consume();
break;
case KeyEvent.VK_NUMPAD8:
display.send("n");
e.consume();
break;
case KeyEvent.VK_NUMPAD9:
display.send("ne");
e.consume();
break;
case KeyEvent.VK_NUMPAD0:
display.send("score");
e.consume();
break;
case KeyEvent.VK_ESCAPE:
inputLine.setText("");
e.consume();
break;
case KeyEvent.VK_UP:
String newText = history.up();
if (newText.equals(inputLine.getText())) {
newText = history.up();
}
inputLine.setText(newText);
inputLine.selectAll();
e.consume();
break;
case KeyEvent.VK_DOWN:
inputLine.setText(history.down());
inputLine.selectAll();
e.consume();
break;
case KeyEvent.VK_F1:
display.send("help");
e.consume();
break;
case KeyEvent.VK_F2:
display.send("inventory");
e.consume();
break;
case KeyEvent.VK_F3:
display.send("get all from corpse");
// intentional flowthrough
case KeyEvent.VK_F4:
display.send("bury corpse");
e.consume();
break;
case KeyEvent.VK_F5:
display.send("stop");
e.consume();
break;
case KeyEvent.VK_F6:
display.send("save");
e.consume();
break;
case KeyEvent.VK_F7:
display.send("sneak high");
e.consume();
break;
case KeyEvent.VK_F8:
display.send("sneak off");
e.consume();
break;
case KeyEvent.VK_F9:
display.send("lose all");
e.consume();
break;
case KeyEvent.VK_F11:
display.send("health all");
e.consume();
break;
case KeyEvent.VK_F12:
display.send("consider all");
e.consume();
break;
}
}
public void keyReleased(KeyEvent e) {
}
public void keyTyped(KeyEvent e) {
}
public void detach() {
p1.remove(cmdDetach);
p1.add(cmdAttach);
remove(p0);
repaint();
frame = new Frame("Simple MUD Client v1.02");
frame.addWindowListener(this);
frame.setLayout(new BorderLayout());
frame.add(p0, BorderLayout.CENTER);
frame.pack();
frame.setVisible(true);
inputLine.requestFocus();
}
public void attach() {
if (frame == null) {
return;
}
frame.remove(p0);
add(p0, BorderLayout.CENTER);
p1.remove(cmdAttach);
p1.add(cmdDetach);
frame.dispose();
frame = null;
doLayout();
p0.doLayout();
repaint();
inputLine.requestFocus();
if (isStopped) {
stop();
}
}
public void windowOpened(WindowEvent e) {
}
public void windowClosing(WindowEvent e) {
if (isApp) {
System.exit(0);
}
else {
attach();
}
}
public void windowClosed(WindowEvent e) {
}
public void windowIconified(WindowEvent e) {
}
public void windowDeiconified(WindowEvent e) {
}
public void windowActivated(WindowEvent e) {
}
public void windowDeactivated(WindowEvent e) {
}
}
