SYNOPSIS
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REGRESSION: 6u25 : JFileChooser focus not painted properly in GTK look and feel

OPERATING SYSTEM
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Reported on Linux.
Also reproducible on Solaris x86.
Likely platform independent.

FULL JDK VERSION
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JDK 7 b140. Problem introduced somewhere between b40 and b81
JDK 6u25. Not reproducbile on earlier versions.

DESCRIPTION:
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Under the GTK look and feel, the focus does not get painted in the folder and files list when navigating via SHIFT-TAB

Steps to reproduce:

1. Run SwingSet2 demo from demo/jfc/SwingSet2 folder.
2. Change the look and feel to gtk look & feel using the 'Look & Feel'
   menu.
3. Go to JFileChooser demo
4. Click Show Plain JFileChooser
5. Try to navigate using SHIF-TAB.* See observered behavior, below.

OBSERVED BEHAVIOR
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The focus doesn't get painted on the Files list and the Folders list.
NOTE that the focus *DOES* move to these views - it just doesn't get painted.
When the focus is on the file/folder views, you can navigate using the arrow keys (at which point the focus is displayed properly).

Expected result:
The focus should be painted on the files list and folders list when navigating to them.