Bugs item #3589495, was opened at 2012-11-23 17:59
Message generated for change (Comment added) made by kargor
You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=843359&aid=3589495&group_id=167540

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Category: User Experience
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Stefan Rossbach (kargor)
Assigned to: Franz Zieris (franzzieris)
Summary: Chat display does not properly update its contents.

Initial Comment:
Open a 1 to 1 chat.

Send 10 Message.

Now invite the user, while the monitor is open, just scroll through the chat. 
You will see display issues (some colors vanished).

After putting in some log statements I got this:

INFO  02:50:34,582 [main] (ChatControl.java:338) Refreshing history
INFO  02:50:34,582 [main] (ChatControl.java:339) Clearing display
INFO  02:50:34,592 [main] (ChatDisplay.java:238) removing / disposing 
ChatLinePartnerChangeSeparator : 1709729861
INFO  02:50:34,592 [main] (ChatDisplay.java:238) removing / disposing ChatLine 
: 1046628499
INFO  02:50:34,592 [main] (ChatDisplay.java:238) removing / disposing 
ChatLinePartnerChangeSeparator : 1374279249
INFO  02:50:34,592 [main] (ChatDisplay.java:238) removing / disposing ChatLine 
: 1512927157
INFO  02:50:34,592 [main] (ChatDisplay.java:238) removing / disposing 
ChatLineSeparator : 1030248059
INFO  02:50:34,592 [main] (ChatDisplay.java:238) removing / disposing ChatLine 
: 1974933841
INFO  02:50:34,592 [main] (ChatDisplay.java:238) removing / disposing 
ChatLineSeparator : 1162592368
INFO  02:50:34,592 [main] (ChatDisplay.java:238) removing / disposing ChatLine 
: 1286011916
INFO  02:50:34,592 [main] (ChatDisplay.java:238) removing / disposing 
ChatLineSeparator : 1645940175
INFO  02:50:34,592 [main] (ChatDisplay.java:238) removing / disposing ChatLine 
: 76184065
INFO  02:50:34,592 [main] (ChatDisplay.java:238) removing / disposing 
ChatLineSeparator : 1897444280
INFO  02:50:34,592 [main] (ChatDisplay.java:238) removing / disposing ChatLine 
: 1537818639
INFO  02:50:34,602 [main] (ChatDisplay.java:238) removing / disposing 
ChatLineSeparator : 2020721881
INFO  02:50:34,603 [main] (ChatDisplay.java:238) removing / disposing ChatLine 
: 1458653327
INFO  02:50:34,604 [main] (ChatDisplay.java:238) removing / disposing 
ChatLineSeparator : 789972269
INFO  02:50:34,605 [main] (ChatDisplay.java:238) removing / disposing ChatLine 
: 2058788993
INFO  02:50:34,606 [main] (ChatDisplay.java:238) removing / disposing 
ChatLineSeparator : 1564460082
INFO  02:50:34,607 [main] (ChatDisplay.java:238) removing / disposing ChatLine 
: 1770721572
INFO  02:50:34,608 [main] (ChatDisplay.java:238) removing / disposing 
ChatLineSeparator : 301879280
INFO  02:50:34,608 [main] (ChatDisplay.java:238) removing / disposing ChatLine 
: 1669564516
INFO  02:50:34,609 [main] (ChatDisplay.java:238) removing / disposing 
ChatLineSeparator : 2030686263
INFO  02:50:34,610 [main] (ChatDisplay.java:238) removing / disposing ChatLine 
: 961497074
INFO  02:50:34,611 [main] (ChatDisplay.java:238) removing / disposing 
ChatLineSeparator : 1921705887
INFO  02:50:34,612 [main] (ChatDisplay.java:238) removing / disposing ChatLine 
: 1798907036
INFO  02:50:34,613 [main] (ChatDisplay.java:238) removing / disposing Composite 
: 202354961
INFO  02:50:34,617 [main] (ChatControl.java:360) clearing cache
INFO  02:50:34,617 [main] (ChatControl.java:406) Adding chatline with color: 
Color {192, 192, 192} : 1082693358
INFO  02:50:34,620 [main] (ChatDisplay.java:146) added 
de.fu_berlin.inf.dpp.ui.widgets.chatControl.items.ChatLinePartnerChangeSeparator
 :1178146559 : color  : 1082693358
INFO  02:50:34,627 [main] (ChatDisplay.java:160) added 
de.fu_berlin.inf.dpp.ui.widgets.chatControl.items.ChatLine :1029379767 : color  
: 1082693358
INFO  02:50:34,634 [main] (ChatControl.java:406) Adding chatline with color: 
Color {214, 230, 236} : 1525803944
INFO  02:50:34,634 [main] (ChatDisplay.java:146) added 
de.fu_berlin.inf.dpp.ui.widgets.chatControl.items.ChatLinePartnerChangeSeparator
 :2005490931 : color  : 1525803944
INFO  02:50:34,644 [main] (ChatDisplay.java:160) added 
de.fu_berlin.inf.dpp.ui.widgets.chatControl.items.ChatLine :440060692 : color  
: 1525803944
INFO  02:50:34,654 [main] (ChatControl.java:406) Adding chatline with color: 
Color {214, 230, 236} : 1525803944
INFO  02:50:34,654 [main] (ChatDisplay.java:136) added 
de.fu_berlin.inf.dpp.ui.widgets.chatControl.items.ChatLineSeparator :2070237116 
: color  : 1525803944
INFO  02:50:34,654 [main] (ChatDisplay.java:160) added 
de.fu_berlin.inf.dpp.ui.widgets.chatControl.items.ChatLine :366204967 : color  
: 1525803944
INFO  02:50:34,674 [main] (ChatControl.java:406) Adding chatline with color: 
Color {214, 230, 236} : 1525803944
INFO  02:50:34,674 [main] (ChatDisplay.java:136) added 
de.fu_berlin.inf.dpp.ui.widgets.chatControl.items.ChatLineSeparator :170631557 
: color  : 1525803944
INFO  02:50:34,684 [main] (ChatDisplay.java:160) added 
de.fu_berlin.inf.dpp.ui.widgets.chatControl.items.ChatLine :1278192134 : color  
: 1525803944
INFO  02:50:34,704 [main] (ChatControl.java:406) Adding chatline with color: 
Color {214, 230, 236} : 1525803944
INFO  02:50:34,704 [main] (ChatDisplay.java:136) added 
de.fu_berlin.inf.dpp.ui.widgets.chatControl.items.ChatLineSeparator :511588769 
: color  : 1525803944
INFO  02:50:34,704 [main] (ChatDisplay.java:160) added 
de.fu_berlin.inf.dpp.ui.widgets.chatControl.items.ChatLine :242977496 : color  
: 1525803944
INFO  02:50:34,724 [main] (ChatControl.java:406) Adding chatline with color: 
Color {214, 230, 236} : 1525803944
INFO  02:50:34,724 [main] (ChatDisplay.java:136) added 
de.fu_berlin.inf.dpp.ui.widgets.chatControl.items.ChatLineSeparator :324747625 
: color  : 1525803944
INFO  02:50:34,724 [main] (ChatDisplay.java:160) added 
de.fu_berlin.inf.dpp.ui.widgets.chatControl.items.ChatLine :638331777 : color  
: 1525803944
INFO  02:50:34,764 [main] (ChatControl.java:406) Adding chatline with color: 
Color {214, 230, 236} : 1525803944
INFO  02:50:34,764 [main] (ChatDisplay.java:136) added 
de.fu_berlin.inf.dpp.ui.widgets.chatControl.items.ChatLineSeparator :58869185 : 
color  : 1525803944
INFO  02:50:34,764 [main] (ChatDisplay.java:160) added 
de.fu_berlin.inf.dpp.ui.widgets.chatControl.items.ChatLine :826117331 : color  
: 1525803944
INFO  02:50:34,784 [main] (ChatControl.java:406) Adding chatline with color: 
Color {214, 230, 236} : 1525803944
INFO  02:50:34,784 [main] (ChatDisplay.java:136) added 
de.fu_berlin.inf.dpp.ui.widgets.chatControl.items.ChatLineSeparator :131331319 
: color  : 1525803944
INFO  02:50:34,794 [main] (ChatDisplay.java:160) added 
de.fu_berlin.inf.dpp.ui.widgets.chatControl.items.ChatLine :462105374 : color  
: 1525803944
INFO  02:50:34,814 [main] (ChatControl.java:406) Adding chatline with color: 
Color {214, 230, 236} : 1525803944
INFO  02:50:34,814 [main] (ChatDisplay.java:136) added 
de.fu_berlin.inf.dpp.ui.widgets.chatControl.items.ChatLineSeparator :20028142 : 
color  : 1525803944
INFO  02:50:34,824 [main] (ChatDisplay.java:160) added 
de.fu_berlin.inf.dpp.ui.widgets.chatControl.items.ChatLine :1072232679 : color  
: 1525803944
INFO  02:50:34,844 [main] (ChatControl.java:406) Adding chatline with color: 
Color {214, 230, 236} : 1525803944
INFO  02:50:34,844 [main] (ChatDisplay.java:136) added 
de.fu_berlin.inf.dpp.ui.widgets.chatControl.items.ChatLineSeparator :1898029021 
: color  : 1525803944
INFO  02:50:34,858 [main] (ChatDisplay.java:160) added 
de.fu_berlin.inf.dpp.ui.widgets.chatControl.items.ChatLine :545201496 : color  
: 1525803944
INFO  02:50:34,881 [main] (ChatControl.java:406) Adding chatline with color: 
Color {214, 230, 236} : 1525803944
INFO  02:50:34,883 [main] (ChatDisplay.java:136) added 
de.fu_berlin.inf.dpp.ui.widgets.chatControl.items.ChatLineSeparator :99415864 : 
color  : 1525803944
INFO  02:50:34,889 [main] (ChatDisplay.java:160) added 
de.fu_berlin.inf.dpp.ui.widgets.chatControl.items.ChatLine :1840182662 : color  
: 1525803944
INFO  02:50:34,913 [main] (ChatControl.java:406) Adding chatline with color: 
Color {214, 230, 236} : 1525803944
INFO  02:50:34,917 [main] (ChatDisplay.java:136) added 
de.fu_berlin.inf.dpp.ui.widgets.chatControl.items.ChatLineSeparator :468632315 
: color  : 1525803944
INFO  02:50:34,921 [main] (ChatDisplay.java:160) added 
de.fu_berlin.inf.dpp.ui.widgets.chatControl.items.ChatLine :359728309 : color  
: 1525803944
Nov 24, 2012 2:50:34 AM de.fu_berlin.inf.nebula.widgets.RoundedComposite$1 
paintControl
INFO: repaint on ChatLineSeparator : 131331319 : color : 1525803944 isDisposed 
? false
Nov 24, 2012 2:50:34 AM de.fu_berlin.inf.nebula.widgets.RoundedComposite$1 
paintControl
INFO: repaint on ChatLineSeparator : 20028142 : color : 1525803944 isDisposed ? 
false
Nov 24, 2012 2:50:34 AM de.fu_berlin.inf.nebula.widgets.RoundedComposite$1 
paintControl
INFO: repaint on ChatLineSeparator : 1898029021 : color : 1525803944 isDisposed 
? false
Nov 24, 2012 2:50:34 AM de.fu_berlin.inf.nebula.widgets.RoundedComposite$1 
paintControl
INFO: repaint on ChatLineSeparator : 99415864 : color : 1525803944 isDisposed ? 
false
Nov 24, 2012 2:50:34 AM de.fu_berlin.inf.nebula.widgets.RoundedComposite$1 
paintControl
INFO: repaint on ChatLineSeparator : 468632315 : color : 1525803944 isDisposed 
? false
INFO  02:50:34,989 [main] (ChatControl.java:338) Refreshing history
INFO  02:50:34,990 [main] (ChatControl.java:339) Clearing display

// Why are only 3 widgets disposed ? 

INFO  02:50:34,990 [main] (ChatDisplay.java:238) removing / disposing 
ChatLinePartnerChangeSeparator : 494945148
INFO  02:50:34,991 [main] (ChatDisplay.java:238) removing / disposing ChatLine 
: 43190322
INFO  02:50:34,991 [main] (ChatDisplay.java:238) removing / disposing Composite 
: 1799204449
INFO  02:50:34,992 [main] (ChatControl.java:360) clearing cache
INFO  02:50:34,993 [main] (ChatControl.java:406) Adding chatline with color: 
Color {214, 230, 236} : 819012098
INFO  02:50:34,998 [main] (ChatDisplay.java:146) added 
de.fu_berlin.inf.dpp.ui.widgets.chatControl.items.ChatLinePartnerChangeSeparator
 :1789743169 : color  : 819012098
INFO  02:50:35,002 [main] (ChatDisplay.java:160) added 
de.fu_berlin.inf.dpp.ui.widgets.chatControl.items.ChatLine :1706392602 : color  
: 819012098

....

Nov 24, 2012 2:50:37 AM de.fu_berlin.inf.nebula.widgets.RoundedComposite$1 
paintControl
INFO: repaint on ChatLineSeparator : 170631557 : color : 1525803944 isDisposed 
? true
Nov 24, 2012 2:50:37 AM de.fu_berlin.inf.nebula.widgets.RoundedComposite$1 
paintControl
INFO: repaint on ChatLineSeparator : 511588769 : color : 1525803944 isDisposed 
? true
Nov 24, 2012 2:50:37 AM de.fu_berlin.inf.nebula.widgets.RoundedComposite$1 
paintControl
INFO: repaint on ChatLinePartnerChangeSeparator : 1178146559 : color : 
1082693358 isDisposed ? false
Nov 24, 2012 2:50:37 AM de.fu_berlin.inf.nebula.widgets.RoundedComposite$1 
paintControl
INFO: repaint on ChatLinePartnerChangeSeparator : 2005490931 : color : 
1525803944 isDisposed ? true
Nov 24, 2012 2:50:37 AM de.fu_berlin.inf.nebula.widgets.RoundedComposite$1 
paintControl
INFO: repaint on ChatLineSeparator : 2070237116 : color : 1525803944 isDisposed 
? true
Nov 24, 2012 2:50:37 AM de.fu_berlin.inf.nebula.widgets.RoundedComposite$1 
paintControl
INFO: repaint on ChatLineSeparator : 324747625 : color : 1525803944 isDisposed 
? true
Nov 24, 2012 2:50:38 AM de.fu_berlin.inf.nebula.widgets.RoundedComposite$1 
paintControl
INFO: repaint on ChatLineSeparator : 58869185 : color : 1525803944 isDisposed ? 
true
Nov 24, 2012 2:50:38 AM de.fu_berlin.inf.nebula.widgets.RoundedComposite$1 
paintControl
INFO: repaint on ChatLineSeparator : 131331319 : color : 1525803944 isDisposed 
? true
Nov 24, 2012 2:50:38 AM de.fu_berlin.inf.nebula.widgets.RoundedComposite$1 
paintControl
INFO: repaint on ChatLineSeparator : 20028142 : color : 1525803944 isDisposed ? 
true
Nov 24, 2012 2:50:38 AM de.fu_berlin.inf.nebula.widgets.RoundedComposite$1 
paintControl
INFO: repaint on ChatLineSeparator : 1898029021 : color : 1525803944 isDisposed 
? true
Nov 24, 2012 2:50:38 AM de.fu_berlin.inf.nebula.widgets.RoundedComposite$1 
paintControl
INFO: repaint on ChatLineSeparator : 99415864 : color : 1525803944 isDisposed ? 
true
Nov 24, 2012 2:50:38 AM de.fu_berlin.inf.nebula.widgets.RoundedComposite$1 
paintControl
INFO: repaint on ChatLineSeparator : 468632315 : color : 1525803944 isDisposed 
? true
Nov 24, 2012 2:50:38 AM de.fu_berlin.inf.nebula.widgets.RoundedComposite$1 
paintControl
INFO: repaint on ChatLineSeparator : 170631557 : color : 1525803944 isDisposed 
? true
Nov 24, 2012 2:50:38 AM de.fu_berlin.inf.nebula.widgets.RoundedComposite$1 
paintControl
INFO: repaint on ChatLineSeparator : 511588769 : color : 1525803944 isDisposed 
? true
Nov 24, 2012 2:50:38 AM de.fu_berlin.inf.nebula.widgets.RoundedComposite$1 
paintControl
INFO: repaint on ChatLineSeparator : 324747625 : color : 1525803944 isDisposed 
? true
Nov 24, 2012 2:50:38 AM de.fu_berlin.inf.nebula.widgets.RoundedComposite$1 
paintControl
INFO: repaint on ChatLineSeparator : 58869185 : color : 1525803944 isDisposed ? 
true
Nov 24, 2012 2:50:38 AM de.fu_berlin.inf.nebula.widgets.RoundedComposite$1 
paintControl
INFO: repaint on ChatLinePartnerChangeSeparator : 1178146559 : color : 
1082693358 isDisposed ? false
Nov 24, 2012 2:50:38 AM de.fu_berlin.inf.nebula.widgets.RoundedComposite$1 
paintControl
INFO: repaint on ChatLinePartnerChangeSeparator : 2005490931 : color : 
1525803944 isDisposed ? true
Nov 24, 2012 2:50:38 AM de.fu_berlin.inf.nebula.widgets.RoundedComposite$1 
paintControl
INFO: repaint on ChatLineSeparator : 2070237116 : color : 1525803944 isDisposed 
? true
Nov 24, 2012 2:50:39 AM de.fu_berlin.inf.nebula.widgets.RoundedComposite$1 
paintControl
INFO: repaint on ChatLineSeparator : 58869185 : color : 1525803944 isDisposed ? 
true
Nov 24, 2012 2:50:39 AM de.fu_berlin.inf.nebula.widgets.RoundedComposite$1 
paintControl
INFO: repaint on ChatLineSeparator : 131331319 : color : 1525803944 isDisposed 
? true
Nov 24, 2012 2:50:39 AM de.fu_berlin.inf.nebula.widgets.RoundedComposite$1 
paintControl
INFO: repaint on ChatLineSeparator : 20028142 : color : 1525803944 isDisposed ? 
true
Nov 24, 2012 2:50:39 AM de.fu_berlin.inf.nebula.widgets.RoundedComposite$1 
paintControl
INFO: repaint on ChatLineSeparator : 1898029021 : color : 1525803944 isDisposed 
? true
Nov 24, 2012 2:50:39 AM de.fu_berlin.inf.nebula.widgets.RoundedComposite$1 
paintControl
INFO: repaint on ChatLineSeparator : 99415864 : color : 1525803944 isDisposed ? 
true
Nov 24, 2012 2:50:39 AM de.fu_berlin.inf.nebula.widgets.RoundedComposite$1 
paintControl
INFO: repaint on ChatLineSeparator : 468632315 : color : 1525803944 isDisposed 
? true

I am sorry that I had to use two loggers.

----------------------------------------------------------------------

>Comment By: Stefan Rossbach (kargor)
Date: 2012-11-23 18:06

Message:
Just as a hint: the isDisposed message applys to the (background)color, not
the widget.

The numbers used are generated with System.identityHashCode which return
the same as a malloc() call would did in C. A unique pointer to that
object.

OS: Win7 (x64), Eclipse Version. 3.7.X, Java Vendor: Oracle, Java 7

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