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I'm running NetBeans 6.0M8 on Java 1.6.0_01 on Linux, Gtk, Clearlooks theme. When I start up NetBeans and click on a menu (i.e. open/expand that menu), there is some whitespace below the bottommost menu item that does not belong there. When I open the same menu a second time, the whitespace does not appear. Not sure if this is Swing, NetBeans, Gtk or whatever. Other than that, NetBeans looks more fantastic than ever on Gtk (either due to Gtk changes from Java 1.6.0 to 1.6.0_01 or due to changes between NB milestones 7 and 8), especially if you're forced to work with Eclipse every day!
Thanks for your report, we'll look at this.
I didn't encounter such bug on my Linux, but I have older Fedora Core, sothis may be the case. Reporter, what Linux distro and window manager do you have? Thanks.
I'm running Ubuntu 6.10 with normal Gnome desktop (i.e. metacity WM) and Clearlooks theme. I also used the most recent Java (1.6.0_01, or Java SE 6u1) from Sun, which included some L+F changes. Just notice this in the Java release notes (http://java.sun.com/javase/6/webnotes/ReleaseNotes.html): http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6492110 Maybe that's related to the problem. It's NetBeans specific, though. For instance JEdit with Gtk L+F does not have the problem.
Could you please test on SwingSet2 demo coming with JDK? I tend to think this is JDK specific, not NetBeans specific...
SwingSet2 in GTk-L+F does now show the menu behavior. Neither does JEdit with GTk-L+F.
Than it's probably ours, although strange...
Hmm, I created small test Swing app and reproduced the problem, so unfortunately it's JDK/Swing. Entered jdk bug http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6578726