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Re:[求助]Graphics2D 类中的对象可以加监听事件吗？ [Re:kavinwang]

redsuner

发贴: 9
积分: 0

于 2004-10-29 10:38

package java2ddemo;

import java.awt.*;
import java.awt.geom.*;
import java.awt.geom.Ellipse2D;
import java.awt.event.*;
import javax.swing.*;

public class Java2DFrame extends JFrame{
JPanel contentPane;
GeneralPath rect = new GeneralPath(GeneralPath.WIND_EVEN_ODD);
JButton jButton1 = new JButton();

//Construct the frame
public Java2DFrame() {
enableEvents(AWTEvent.WINDOW_EVENT_MASK);
try {
jbInit();
}
catch(Exception e) {
e.printStackTrace();
}
}
public void paint(Graphics g){
Graphics2D g2d = (Graphics2D)g;
g2d.setColor(Color.cyan);
rect.moveTo(20,20);
rect.lineTo(120,20);
rect.lineTo(120,20);
rect.lineTo(120,60);
rect.lineTo(20,60);
rect.closePath();
g2d.fill(rect);
g2d.setColor(Color.blue);
Ellipse2D ellipse = new Ellipse2D.Float(100,100,300,300);
//g2d.fill(ellipse);
//g2d.draw(ellipse);
MyEllipse ell2 = new MyEllipse(100,100,300,300);
g2d.fill(ell2);
g2d.draw(ell2);
ell2.addMouseListener(new MyEllipseListener());

}
//Component initialization
private void jbInit() throws Exception {
contentPane = (JPanel) this.getContentPane();
jButton1.setBounds(new Rectangle(177, 147, 71, 33));
jButton1.setText("jButton1");
contentPane.setLayout(null);
this.setSize(new Dimension(400, 300));
this.setTitle("Frame Title");
contentPane.add(jButton1, null);
ActionListener listener = new C2DListener();

}
//Overridden so we can exit when window is closed
protected void processWindowEvent(WindowEvent e) {
super.processWindowEvent Envelope

;
if (e.getID() == WindowEvent.WINDOW_CLOSING) {
System.exit(0);
}
}
}
class C2DListener implements ActionListener {
public void actionPerformed(ActionEvent e){
if(e.getSource() == "rect"){
System.out.println("2D recall sucessful!");
}
if(e.getSource() == "jButton1"){
System.out.println("Button recall sucessful!");
}

}

}
class MyEllipse extends Ellipse2D.Float{
public MyEllipse(float x1,float x2,float y1,float y2){
super(x1,x2,y1,y2);
}
public MyEllipse createEllipse(float x1,float x2,float y1,float y2){
Ellipse2D ell = new Ellipse2D.Float(x1,x2,y1,y2);
return (MyEllipse)ell;

}
public void addMouseListener(MouseListener listener){

}
}
class MyEllipseListener implements MouseListener{
public void mouseClicked(MouseEvent e){
System.out.println("Button recall sucessful!");

}

public void mouseEntered(MouseEvent e) {

}

public void mousePressed(MouseEvent e) {
System.out.println("Button recall sucessful!");

}

public void mouseExited(MouseEvent e) {

}
public void mouseReleased(MouseEvent e) {

}

}

话题树型展开

人气	标题	作者	字数	发贴时间
8756	[求助]Graphics2D 类中的对象可以加监听事件吗？	redsuner	41	2004-10-27 11:19
7674	Re:[求助]Graphics2D 类中的对象可以加监听事件吗？	kavinwang	31	2004-10-27 11:20
7763	Re:[求助]Graphics2D 类中的对象可以加监听事件吗？	redsuner	83	2004-10-29 11:25
7586	Re:[求助]Graphics2D 类中的对象可以加监听事件吗？	redsuner	399	2004-10-27 11:30
7641	Re:[求助]Graphics2D 类中的对象可以加监听事件吗？	kavinwang	77	2004-10-27 11:38
7516	Re:[求助]Graphics2D 类中的对象可以加监听事件吗？	redsuner	11	2004-10-27 11:41
7510	Re:[求助]Graphics2D 类中的对象可以加监听事件吗？	redsuner	7	2004-10-28 11:00
7581	Re:[求助]Graphics2D 类中的对象可以加监听事件吗？	kavinwang	63	2004-10-28 11:01
7673	Re:[求助]Graphics2D 类中的对象可以加监听事件吗？	redsuner	3054	2004-10-29 10:38
7692	Re:[求助]Graphics2D 类中的对象可以加监听事件吗？	kavinwang	567	2004-10-29 10:52
7603	Re:[求助]Graphics2D 类中的对象可以加监听事件吗？	redsuner	117	2004-10-29 11:00
7559	Re:[求助]Graphics2D 类中的对象可以加监听事件吗？	redsuner	12	2004-10-29 11:02
7698	Re:[求助]Graphics2D 类中的对象可以加监听事件吗？	kavinwang	266	2004-10-29 11:10

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