notekeyactionlistener.java

来自「这是一个自编的记事本程序」· Java 代码 · 共 49 行

package cn.com.csuinfosoft;

import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;

/**
 * 记事本的键盘事件
 * @author 
 *
 */
public class NoteKeyActionListener implements KeyListener {
	
	/**
	 * 安键键位
	 */
	private int keyValue = 0;
	
	/**
	 *  按键按下的时候
	 *  @param e KeyEvent
	 */
	public void keyPressed(KeyEvent e) {
		switch(keyValue) {
			case 17:
				return;
			case 18:
				return;
		}
		keyValue = e.getKeyCode();
		if(keyValue >= 49 || keyValue <= 90 
				|| keyValue >= 8 || keyValue <= 10 
				|| keyValue == 192) {
			NoteActionListener.fileState = 1;
		}
	}
	
	/**
	 * 当按键松开时触发
	 * @param e KeyEvent
	 */
	public void keyReleased(KeyEvent e) {
		keyValue = 0;
	}

	public void keyTyped(KeyEvent e) {
	}

}