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Text area display garbles but only on monitor 2
Submitted by Nick Payne on Monday, 10 November, 2008 - 20:01
I'm running a dual monitor setup using Windows Vista SP1 32-bit with a pair of 20" LCD monitors. Java version is JRE 6 update 10 and jEdit is 4.3pre15. On monitor 1 the jEdit window looks fine, but if I drag the window to monitor 2, at the point where more than 50% of the window is on monitor 2 the text area suddenly changes to show a small part of the file I am editing repeated over and over. If I drag the jEdit window back to monitor 1, as soon as more than 50% is on monitor 1 the window changes back to the correct display.

If you have a look at the screen dumps I have uploaded to http://www.users.on.net/~njpayne/stuff/monitor1.jpg and http://www.users.on.net/~njpayne/stuff/monitor2.jpg you can see what I mean.

The only plugin I've installed in addition to the default ones is LilyPondTool.

The only other Java application I use is Audiveris, and it works fine on either monitor. No other applications on the machine have any display problem on either monitor.

Nick Payne
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Unfortunately there are gener
by Robert Schwenn on Wed, 12/11/2008 - 18:31
Unfortunately there are general problems in multi monitor environments. Users complain about very different problems again and again. But it seems very difficult to reproduce them on other machines. I guess that often could help some tuning in graphics driver settings...

I myself have been using jEdit in a dual monitor environment for years and every day and never have had any problems with that.

Robert

BTW: What does happen after reloading the buffer?
 
I've discovered that the problem is intermittent
by Nick Payne on Sun, 16/11/2008 - 10:20
If I reboot the workstation then the problem is initially gone, but after I have been using jEdit for a while it comes back. I haven't discovered what causes it to appear.

Nick
 
Did You play around some grap
by Robert Schwenn on Sun, 16/11/2008 - 20:23
Did You play around some graphics driver settings - i.e. such as hardware acceleration?

Maybe it would be worth to find out if the problems only occur in jEdit or in Java applications generally. I remember that someone got rid of some kind of graphics problem by disabling Windows' DirectX at the command line as a Java option...

Robert
 
In my original post I stated
by Nick Payne on Thu, 20/11/2008 - 20:05
In my original post I stated that Audiveris (java app) doesn't have the same problem.

I can play with the graphics settings the next time the problem happens.
 
Seems to have been a Java problem
by Nick Payne on Thu, 04/12/2008 - 00:52
I haven't had the problem since upgrading from JRE 6u10 to 6u11, and I notice one of the things listed as fixed in 6u11 is "Fixed rendering problems with Nvidia boards on Vista".

Nick
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