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/*
* Copyright (c) 2000, 2025, 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.
*/
/*
* @test
* @bug 4273320
* @summary JTabbedPane.setTitleAt() should refresh when using HTML text
* @key headful
*/
import java.awt.BorderLayout;
import java.awt.Rectangle;
import java.awt.Robot;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTabbedPane;
import javax.swing.SwingUtilities;
import javax.swing.plaf.TabbedPaneUI;
public class bug4273320 {
static JFrame frame;
static volatile JTabbedPane tabs;
static final String PLAIN = "Plain";
static final String HTML = "<html>A fairly long HTML text label</html>";
public static void main(String[] args) throws Exception {
try {
SwingUtilities.invokeAndWait(bug4273320::createUI);
Robot robot = new Robot();
robot.waitForIdle();
robot.delay(1000);
TabbedPaneUI ui = tabs.getUI();
Rectangle origSize = ui.getTabBounds(tabs, 0);
SwingUtilities.invokeAndWait(() -> {
tabs.setTitleAt(0, HTML);
});
robot.waitForIdle();
robot.delay(1000);
Rectangle newSize = ui.getTabBounds(tabs, 0);
// The tab should be resized larger if the longer HTML text is added
System.out.println("orig = " + origSize.width + " x " + origSize.height);
System.out.println("new = " + newSize.width + " x " + newSize.height);
if (origSize.width >= newSize.width) {
throw new RuntimeException("Tab text is not updated.");
}
} finally {
SwingUtilities.invokeAndWait(() -> {
if (frame != null) {
frame.dispose();
}
});
}
}
static void createUI() {
frame = new JFrame("bug4273320");
tabs = new JTabbedPane();
JPanel panel = new JPanel();
tabs.addTab(PLAIN, panel);
frame.getContentPane().add(tabs, BorderLayout.CENTER);
frame.setSize(500, 300);
frame.setVisible(true);
}
}
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