emubutton.java

J2me唆哈的代码

package a.a.a.b;

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

public class EmuButton extends JLabel implements MouseListener{
	
	public static final long serialVersionUID=1;

	int keyIndex;
	Image img;
	boolean hover;
	DevicePanel panel;
	public EmuButton(DevicePanel panel,int keyIdx) {
		super();
		this.panel=panel;
		keyIndex=keyIdx;
		this.addMouseListener(this);
		//this.setContentAreaFilled(false);
		this.setCursor(new Cursor(Cursor.HAND_CURSOR));
		this.setFocusable(false);
		//this.setOpaque(false);
	}
	
	public void setImage(Image img){
		this.img=img;
	}
	
	public void mouseClicked(MouseEvent evt){
	}
	
	public void mouseEntered(MouseEvent e){
		hover=true;
		repaint();
	} 
	
	public void mouseExited(MouseEvent e){
		hover=false;
		repaint();
	}
	
	public void mousePressed(MouseEvent evt){
		hover=false;
		repaint();
		if(keyIndex>=0){
			e.getInstance(null). keyPressed(e.currentKey[keyIndex]);
		}
	}
	
	public void mouseReleased(MouseEvent evt){
		hover=true;
		repaint();
		if(keyIndex>=0){
			e.getInstance(null).keyReleased(e.currentKey[keyIndex]);
		}
	}

	protected void paintComponent(Graphics g){
		if(hover&&img!=null){
			//g.drawImage(img,0,0,null);
			//panel.paintAlphabet();
			//panel.paintButton(keyIndex,hover);
		}
		
	}
}