terminal java_java 实现 Terminal

import java.awt.*;

import javax.swing.*;

import java.awt.event.*;

import java.awt.font.TextHitInfo;

import java.awt.im.InputMethodRequests;

import java.text.AttributedCharacterIterator;

import java.text.AttributedCharacterIterator.Attribute;

import java.util.ArrayList;

import java.util.List;

public class TestTerminal extends JFrame implements NotifyKeyListener{

private MyDisplay disp = null;

private DataModel dm = null;

public TestTerminal(){

this.setSize(300, 200);

this.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);

this.setContentPane(getJContentPane());

this.setTitle("JFrame");

this.setVisible(true);

}

private JPanel getJContentPane() {

JPanel jContentPane = null;

if (jContentPane == null) {

jContentPane = new JPanel();

jContentPane.setLayout(new BorderLayout());

dm = new DataModel();

disp = new MyDisplay(dm);

disp.setNotifyKeyListener(this);

jContentPane.add(new JScrollPane(disp), BorderLayout.CENTER);

}

return jContentPane;

}

public static void main(String args[]){

new TestTerminal();

}

public void notify(KeyEvent e) {

try{

int c = e.getKeyChar();

if(c==7){

Toolkit.getDefaultToolkit().beep();

return;

}

if(c==8){

dm.setCursorCol(dm.getCursorCol()-1);