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Java > Open Source Codes > demo > notification > whiteboard > GhostPainter


1 package demo.notification.whiteboard;
2
3
4
5 /**
6
7  * GhostPainter.java
8
9  *
10
11  *
12
13  * Created: Wed Feb 9 18:45:20 2000
14
15  *
16
17  * @author Alphonse Bendt
18
19  * @version
20
21  */
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23
24
25 // Wenn der GhostPainter einmal gestartet ist,
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27 // schla"ft er eine gewisse Zeit
28
29 // und malt dann unvermittelt im u"bergebenen AWTWin
30
31 // Linien ...
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33
34
35 public class GhostPainter extends Thread JavaDoc {
36
37     
38
39     int x,y;
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41     long sleep = 5000;
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43     IWorkgroupFrame w;
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45     boolean active_ = true;
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47
48
49     public GhostPainter(IWorkgroupFrame w,int x, int y) {
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51     this.x = x;
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53     this.y = y;
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55     this.w = w;
56
57     }
58
59     
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61     public void shutdown() {
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63     active_ = false;
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65     interrupt();
66
67     }
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69
70
71     public void run() {
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73     while (active_) {
74
75         try {
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77         sleep ((long) (sleep * Math.random()) );
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79         } catch (InterruptedException JavaDoc ie) {
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81         if (!active_) {
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83             return;
84
85         }
86
87         }
88
89         
90
91         int x0 = (int) (Math.random() * x);
92
93         int x1 = (int) (Math.random() * x);
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95         int y1 = (int) (Math.random() * y);
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97         int y0 = (int) (Math.random() * y);
98
99     }
100
101     }
102
103 } // GhostPainter
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