mousedemo.java

自己在学习过程中写的

package mousetest;

import java.awt.*;
import java.awt.event.*;
import java.applet.*;

/**
 * <p>Title: </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2008</p>
 *
 * <p>Company: </p>
 *
 * @author not attributable
 * @version 1.0
 */



public class Mousedemo extends Applet implements MouseListener,MouseMotionListener {//do  not  ferget the "MouseListener" and  "MouseMotionListener"
    int ClickX,ClickY;
    int PressX,PressY;
    int ReleaseX,ReleaseY;
    int EnterX,EnterY;
    int ExitX,ExitY;
    int DragX,DragY;
    int MoveX,MoveY;
     int MouseButton;


    //Initialize the applet
    public void init() {
        addMouseListener(this);
        addMouseMotionListener(this);
    }
    public void paint(Graphics g){

    g.drawString("mousebutton  :"+MouseButton+"    click  :"+ClickX+","+ClickY,20,10);//be  care of the  type of set
    g.drawString("mousebutton  :"+MouseButton+"    Press  :"+PressX+","+PressY,20,30);
    g.drawString("mousebutton  :"+MouseButton+"    Release  :"+ReleaseX+","+ReleaseY,20,50);
    g.drawString("mousebutton  :"+MouseButton+"    Enter  :"+EnterX+","+EnterY,20,70);
    g.drawString("mousebutton  :"+MouseButton+"    Exit  :"+ExitX+","+ExitY,20,90);
    g.drawString("mousebutton  :"+MouseButton+"    Drag  :"+DragX+","+DragY,20,110);
    g.drawString("mousebutton  :"+MouseButton+"    Move  :"+MoveX+","+MoveY,20,130);
    //g.drawString("mousebutton  :"+MouseButton+"click  :"+ClickX+ClickY,20,10);
    }
    public void CheckButton(MouseEvent e){
    switch(e.getButton()){//remember the name of"e.Button"
    case MouseEvent.BUTTON1://remember the name of"MouseEvent.Button"and  the  type of "case"
           MouseButton=1;
           break;

    case MouseEvent.BUTTON2:
           MouseButton=2;
            break;

    case MouseEvent.BUTTON3:
           MouseButton=3;
            break;
            default:
                MouseButton=0;

    }

    }

    public void mouseClicked(MouseEvent e) {//remember the type
        ClickX=e.getX();
        ClickY=e.getY();
        CheckButton(e);
    }

    public void mousePressed(MouseEvent e) {
        PressX=e.getX();
        PressY=e.getY();
        CheckButton(e);
        repaint();

    }

    public void mouseReleased(MouseEvent e) {
        ReleaseX=e.getX();
        ReleaseY=e.getY();
        CheckButton(e);
        repaint();

    }

    public void mouseEntered(MouseEvent e) {
        EnterX=e.getX();
        EnterY=e.getY();
        repaint();
       // CheckButton(e);

    }

    public void mouseExited(MouseEvent e) {
       ExitX=e.getX();
        ExitY=e.getY();
        repaint();
       // CheckButton(e);

    }

    public void mouseDragged(MouseEvent e) {
        DragX=e.getX();
        DragY=e.getY();
        CheckButton(e);
        repaint();

    }

    public void mouseMoved(MouseEvent e) {
        MoveX=e.getX();
        MoveY=e.getY();
        CheckButton(e);
        repaint();

    }
}