FULL PRODUCT VERSION :
ADDITIONAL OS VERSION INFORMATION :
Ubuntu 11.10 32bit
A DESCRIPTION OF THE PROBLEM :
Run follow test case on Linux with Gnome desktop environment, use tab to navigator between controls, when a ComboBox component gets focused, the out line graphic which indicates focus is not painted.
To compare the behavior, please run the test case in Nimbus L&F.
Test case
/*
* Copyright (c) 2012 Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* Portions Copyright (c) 2012 IBM Corporation
*/
import java.awt.Container;
import java.awt.GridLayout;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.UIManager;
public class JComboBoxFocusTest extends JFrame {
JComboBoxFocusTest() {
setVisible(true);
setBounds(0, 0, 800, 600);
Container pane = getContentPane();
pane.setBounds(0, 0, 800, 600);
pane.setLayout(new GridLayout());
JButton jb1 = new JButton("Button1");
jb1.setFocusable(true);
pane.add(jb1);
JComboBox comb1 = new JComboBox();
comb1.addItem("Hello");
comb1.addItem("world");
comb1.setFocusable(true);
pane.add(comb1);
JButton jb2 = new JButton("Button1");
jb2.setFocusable(true);
pane.add(jb2);
JComboBox comb2 = new JComboBox();
comb2.addItem("Hello");
comb2.addItem("world");
comb2.setFocusable(true);
pane.add(comb2);
pane.setFocusCycleRoot(true);
pack();
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
public static void main(String[] args) {
try {
UIManager.setLookAndFeel("com.sun.java.swing.plaf.gtk.GTKLookAndFeel");
} catch (Exception e) {
System.err
.println("This testcase is only valid on GTK environment");
}
new JComboBoxFocusTest();
}
}
REPRODUCIBILITY :
This bug can be reproduced always.