russell@unturf.com
0a580b313d
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
110 lines
4.3 KiB
Java
110 lines
4.3 KiB
Java
/*
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* Copyright (c) 2025, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 4459231
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* @summary Verifies if JTabbedPane(with Scrollable tablayout) changes focus
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* on change in LookAndFeel
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* @library /java/awt/regtesthelpers
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* @build PassFailJFrame
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* @run main/manual TabbedPaneBugWithLNF
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*/
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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import javax.swing.JButton;
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import javax.swing.JFrame;
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import javax.swing.JTabbedPane;
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import javax.swing.SwingUtilities;
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import javax.swing.UIManager;
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public class TabbedPaneBugWithLNF {
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private static String LNF = "com.sun.java.swing.plaf.motif.MotifLookAndFeel";
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private static JTabbedPane tabPane;
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private static JButton testBtn;
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static final String INSTRUCTIONS = """
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A JTabbedPane with 10 tabs will be shown.
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Scroll the tabs till the end, i.e., to "Testing Tab9".
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Select that tab.
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You will see the main tab JButton's text changed to 'Test Button9'.
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Click on it, which will change the lookandfeel.
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Verify if child tabs have scrolled back to starting child tab
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i.e., 'Testing Tab0', where as the selected tab is still 'Testing Tab9'.
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If it does, press Fail
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else if focus of the child Tab is still at "Testing Tab9" press Pass.""";
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public static void main(String[] args) throws Exception {
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UIManager.setLookAndFeel("javax.swing.plaf.metal.MetalLookAndFeel");
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PassFailJFrame.builder()
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.title("TabbedPaneBugWithLNF Test Instructions")
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.instructions(INSTRUCTIONS)
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.columns(50)
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.testUI(TabbedPaneBugWithLNF::createUI)
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.position(PassFailJFrame.Position.TOP_LEFT_CORNER)
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.build()
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.awaitAndCheck();
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}
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static JFrame createUI() {
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JFrame frame = new JFrame("TabbedPaneBugWithLNF");
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frame.setSize(640, 180);
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tabPane = new JTabbedPane(JTabbedPane.BOTTOM,JTabbedPane.SCROLL_TAB_LAYOUT);
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tabPane.addTab("Testing Tab0", testBtn = new JButton("Test Button0"));
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tabPane.addTab("Testing Tab1", testBtn = new JButton("Test Button1"));
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tabPane.addTab("Testing Tab2", testBtn = new JButton("Test Button2"));
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tabPane.addTab("Testing Tab3", testBtn = new JButton("Test Button3"));
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tabPane.addTab("Testing Tab4", testBtn = new JButton("Test Button4"));
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tabPane.addTab("Testing Tab5", testBtn = new JButton("Test Button5"));
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tabPane.addTab("Testing Tab6", testBtn = new JButton("Test Button6"));
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tabPane.addTab("Testing Tab7", testBtn = new JButton("Test Button7"));
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tabPane.addTab("Testing Tab8", testBtn = new JButton("Test Button8"));
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JButton myBtn = null;
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tabPane.addTab("Testing Tab9", myBtn = new JButton("Test Button9"));
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myBtn.addActionListener( new ActionListener() {
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public void actionPerformed(ActionEvent ae) {
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try {
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UIManager.setLookAndFeel(LNF);
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SwingUtilities.updateComponentTreeUI(frame);
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System.out.println("tabPane.selectedIndex " + tabPane.getSelectedIndex());
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} catch (Exception exc) {
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System.out.println("Error changing L&F : " + LNF);
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}
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}
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});
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frame.add(tabPane);
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return frame;
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}
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}
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