mouse.java

来自「java技术内幕源代码,配合书籍看有事半功倍的效果」· Java 代码 · 共 65 行

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

/*
<APPLET
    CODE=mouse.class
    WIDTH=300
    HEIGHT=200 >
</APPLET>
*/

public class mouse extends Applet implements MouseListener, MouseMotionListener 
{
    TextField text1;

    public void init(){
        text1 = new TextField(30);
        add(text1);
        addMouseListener(this);
        addMouseMotionListener(this);
    }

    public void mousePressed(MouseEvent e)
    {
        if((e.getModifiers() & InputEvent.BUTTON1_MASK) == InputEvent.BUTTON1_MASK){
            text1.setText("Left mouse button down at " + e.getX() + "," + e.getY());
        }
        else{
            text1.setText("Right mouse button down at " + e.getX() + "," + e.getY());
        }
    }

    public void mouseClicked(MouseEvent e)
    {
        text1.setText("You clicked the mouse at " + e.getX() + "," + e.getY());
    }

    public void mouseReleased(MouseEvent e)
    {
        text1.setText("The mouse button went up.");
    }


    public void mouseEntered(MouseEvent e)
    {
        text1.setText("The mouse entered.");
    }

    public void mouseExited(MouseEvent e)
    {
        text1.setText("The mouse exited.");
    }

    public void mouseDragged(MouseEvent e)
    {
        text1.setText("The mouse was dragged.");
    }

    public void mouseMoved(MouseEvent e)
    {
        text1.setText("The mouse was moved.");
    }
}