Delayed AWT update test [1000927]

!747
!awt {
!actionListener {

m {
  p {
    final new JTextArea textArea;
    makeFrame(new JScrollPane(textArea));
    
    final new StringBuffer buf;
    
    final DelayedUpdate du = new DelayedUpdate(runnable {
      textArea.append(buf.substring(textArea.getText().length()));
    });
    
    thread {
      for (int i = 0; i <= 95; i++) {
        buf.append(i + " " + now() + "\n");
        sleep(100);
        du.trigger();
      }
    }
  }
  
  static class DelayedUpdate {
    Runnable renderer;
    volatile long version;
    long lastUpdate; // AWT time
    int delay = 1000;
    
    *(Runnable *renderer) {}

    void trigger() {
      awt {
        awt_quickUpdate();
      }

      final long n = ++version;
      
      javax.swing.Timer timer = new javax.swing.Timer(delay, actionListener {
        awt_show(n);
      });
      timer.setRepeats(false);
      timer.start(); 
    }
 
    void awt_quickUpdate() {
      if (lastUpdate < now()-delay) {
        render();
        lastUpdate = now(); // This can be rough, no problem
      }
    }

    void awt_show(long n) {
      if (n == version) {
        render();
        lastUpdate = now();
      }
    }
    
    void render() {
      try {
        renderer.run();
      } catch (Throwable e) {
        e.printStackTrace();
      }
    }
  }
}

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1	!747
2	!awt {
3	!actionListener {
4
5	m {
6	p {
7	final new JTextArea textArea;
8	makeFrame(new JScrollPane(textArea));
9
10	final new StringBuffer buf;
11
12	final DelayedUpdate du = new DelayedUpdate(runnable {
13	textArea.append(buf.substring(textArea.getText().length()));
14	});
15
16	thread {
17	for (int i = 0; i <= 95; i++) {
18	buf.append(i + " " + now() + "\n");
19	sleep(100);
20	du.trigger();
21	}
22	}
23	}
24
25	static class DelayedUpdate {
26	Runnable renderer;
27	volatile long version;
28	long lastUpdate; // AWT time
29	int delay = 1000;
30
31	(Runnable renderer) {}
32
33	void trigger() {
34	awt {
35	awt_quickUpdate();
36	}
37
38	final long n = ++version;
39
40	javax.swing.Timer timer = new javax.swing.Timer(delay, actionListener {
41	awt_show(n);
42	});
43	timer.setRepeats(false);
44	timer.start();
45	}
46
47	void awt_quickUpdate() {
48	if (lastUpdate < now()-delay) {
49	render();
50	lastUpdate = now(); // This can be rough, no problem
51	}
52	}
53
54	void awt_show(long n) {
55	if (n == version) {
56	render();
57	lastUpdate = now();
58	}
59	}
60
61	void render() {
62	try {
63	renderer.run();
64	} catch (Throwable e) {
65	e.printStackTrace();
66	}
67	}
68	}
69	}

Snippet ID:	#1000927
Snippet name:	Delayed AWT update test
Eternal ID of this version:	#1000927/1
Text MD5:	bcadf80e96c48653e44621c0d085e3ed
Transpilation MD5:	3cd26f9cc5c90907cecc3119ff725c3a
Author:	stefan
Category:	javax
Type:	JavaX source code
Public (visible to everyone):	Yes
Archived (hidden from active list):	No
Created/modified:	2015-10-20 20:23:48
Source code size:	1386 bytes / 69 lines
Pitched / IR pitched:	No / Yes
Views / Downloads:	618 / 685
Referenced in:	[show references]

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JavaX source code [tags: use-pretranspiled] - run with: x30.jar

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