framekeyevent.java

基于Java的地图数据管理软件。使用MySQL数据库管理系统。

package net.aetherial.gis.cutAndLink.zhuanghao;

import java.awt.*;
import javax.swing.*;
import java.awt.event.KeyEvent;
import java.awt.event.KeyAdapter;

/**
 * <p>Title: </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2004</p>
 *
 * <p>Company: </p>
 *
 * @author not attributable
 * @version 1.0
 */
public class FrameKeyEvent
    extends JFrame {
  BorderLayout borderLayout1 = new BorderLayout();

  public FrameKeyEvent() {
    try {
      jbInit();
    }
    catch (Exception exception) {
      exception.printStackTrace();
    }
  }

  private void jbInit() throws Exception {
    getContentPane().setLayout(borderLayout1);
    this.addKeyListener(new FrameKeyEvent_this_keyAdapter(this));
  }

  public void show() {

    this.setSize(350, 212);
    Dimension screenDim = Toolkit.getDefaultToolkit().getScreenSize();
    this.setLocation(
        (screenDim.width - 350) / 2,
        (screenDim.height - 212) / 2
        );
    super.show();

  }

  public static void main(String[] args) {
    FrameKeyEvent framekeyevent = new FrameKeyEvent();
    framekeyevent.show();
  }

  public void this_keyPressed(KeyEvent e,int alt) {
    if (alt != -1) {
      if (e.getKeyChar() == 's') {
        System.out.println("alt + s!");// + e.getKeyChar()
      }else{
        System.out.println("alt + "  + e.getKeyChar());
      }
    }
  }

}

class FrameKeyEvent_this_keyAdapter
    extends KeyAdapter {
  private FrameKeyEvent adaptee;
  FrameKeyEvent_this_keyAdapter(FrameKeyEvent adaptee) {
    this.adaptee = adaptee;
  }
  private int alt = -1;
  public void keyPressed(KeyEvent e) {
    if (e.getModifiers() == 8) {
      alt = 8;
    }
    adaptee.this_keyPressed(e,alt);
  }

  public void keyReleased(KeyEvent e){
    if (e.getKeyCode() == KeyEvent.VK_ALT) {
      alt = -1;
    }
  }
}