blob: aec13f6b56a250120b119a36f463a726c1b255ba (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
package sample.duplicate;
import java.applet.*;
import java.awt.*;
import java.awt.event.*;
public class Viewer extends Applet
implements MouseListener, ActionListener, WindowListener
{
private static final Color[] colorList = {
Color.orange, Color.pink, Color.green, Color.blue };
private Ball ball;
private int colorNo;
public void init() {
colorNo = 0;
Button b = new Button("change");
b.addActionListener(this);
add(b);
addMouseListener(this);
}
public void start() {
ball = new Ball(50, 50);
ball.changeColor(colorList[0]);
}
public void paint(Graphics g) {
ball.paint(g);
}
public void mouseClicked(MouseEvent ev) {
ball.move(ev.getX(), ev.getY());
repaint();
}
public void mouseEntered(MouseEvent ev) {}
public void mouseExited(MouseEvent ev) {}
public void mousePressed(MouseEvent ev) {}
public void mouseReleased(MouseEvent ev) {}
public void actionPerformed(ActionEvent e) {
ball.changeColor(colorList[++colorNo % colorList.length]);
repaint();
}
public void windowOpened(WindowEvent e) {}
public void windowClosing(WindowEvent e) {
System.exit(0);
}
public void windowClosed(WindowEvent e) {}
public void windowIconified(WindowEvent e) {}
public void windowDeiconified(WindowEvent e) {}
public void windowActivated(WindowEvent e) {}
public void windowDeactivated(WindowEvent e) {}
public static void main(String[] args) {
Frame f = new Frame("Viewer");
Viewer view = new Viewer();
f.addWindowListener(view);
f.add(view);
f.setSize(300, 300);
view.init();
view.start();
f.setVisible(true);
}
}
|