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.
117 lines
4.2 KiB
Java
117 lines
4.2 KiB
Java
/*
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* Copyright (c) 2001, 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 4193267
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* @summary Tests that JList first and last visible indices are
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* updated properly
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* @library /java/awt/regtesthelpers
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* @build PassFailJFrame
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* @run main/manual bug4193267
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*/
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import java.awt.Color;
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import java.awt.FlowLayout;
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import java.awt.GridLayout;
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import java.util.List;
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import javax.swing.JFrame;
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import javax.swing.JLabel;
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import javax.swing.JList;
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import javax.swing.JPanel;
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import javax.swing.JScrollPane;
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import javax.swing.JTextField;
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import javax.swing.event.ChangeEvent;
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import javax.swing.event.ChangeListener;
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public class bug4193267 {
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public static void main(String[] args) throws Exception {
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String INSTRUCTIONS = """
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Resize the frame "JList" with a different ways and scroll the list
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(if it possible). The indices of first and last visible elements
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should be indicated in the corresponding fields in "Index" frame.
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If the indicated indices is not right then test fails.
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Note:
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- the first and last visible indices should be -1 if nothing
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is visible;
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- the first or last visible cells may only be partially visible.
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""";
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PassFailJFrame.builder()
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.title("bug4193267 Instructions")
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.instructions(INSTRUCTIONS)
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.positionTestUI(WindowLayouts::rightOneRow)
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.columns(35)
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.testUI(bug4193267::initialize)
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.build()
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.awaitAndCheck();
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}
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private static List initialize() {
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String[] data = {"000000000000000", "111111111111111",
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"222222222222222", "333333333333333",
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"444444444444444", "555555555555555",
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"666666666666666", "777777777777777",
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"888888888888888", "999999999999999"};
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JFrame[] fr = new JFrame[2];
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fr[0] = new JFrame("JList");
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JList lst = new JList(data);
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lst.setLayoutOrientation(JList.VERTICAL_WRAP);
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lst.setVisibleRowCount(4);
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JScrollPane jsp = new JScrollPane(lst);
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fr[0].add(jsp);
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fr[0].setSize(400, 200);
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JPanel pL = new JPanel();
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pL.setLayout(new GridLayout(2, 1));
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pL.add(new JLabel("First Visible Index"));
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pL.add(new JLabel("Last Visible Index"));
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JPanel p = new JPanel();
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p.setLayout(new GridLayout(2, 1));
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JTextField first = new JTextField("0", 2);
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first.setEditable(false);
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first.setBackground(Color.white);
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p.add(first);
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JTextField last = new JTextField("9", 2);
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last.setEditable(false);
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last.setBackground(Color.white);
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p.add(last);
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fr[1] = new JFrame("Index");
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fr[1].setSize(200, 200);
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fr[1].setLayout(new FlowLayout());
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fr[1].add(pL);
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fr[1].add(p);
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jsp.getViewport().addChangeListener(new ChangeListener() {
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public void stateChanged(ChangeEvent e) {
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first.setText(String.valueOf(lst.getFirstVisibleIndex()));
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last.setText(String.valueOf(lst.getLastVisibleIndex()));
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}
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});
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List frameList = List.of(fr[0], fr[1]);
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return frameList;
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}
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}
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