140 lines
5.1 KiB
Java
140 lines
5.1 KiB
Java
/*
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* Copyright (c) 2003, 2024, 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 4895367
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* @summary List scrolling w/ down arrow keys obscures horizontal scrollbar
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* @library /java/awt/regtesthelpers
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* @build PassFailJFrame
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* @requires (os.family == "linux")
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* @run main/manual HorizScrollbarEraseTest
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*/
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import java.awt.BorderLayout;
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import java.awt.Button;
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import java.awt.Frame;
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import java.awt.GridLayout;
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import java.awt.List;
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import java.awt.Panel;
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import java.awt.TextArea;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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public class HorizScrollbarEraseTest {
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private static final String INSTRUCTIONS = """
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This is a Unix-only test.
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Do the four mini-tests below.
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If the horizontal scrollbar is ever erased by a rectangle
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of the background color, the test FAILS.
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If the horizontal scrollbars remain painted, test passes.""";
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public static void main(String[] args) throws Exception {
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PassFailJFrame.builder()
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.title("HorizScrollbarEraseTest Instructions")
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.instructions(INSTRUCTIONS)
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.rows((int) INSTRUCTIONS.lines().count() + 2)
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.columns(35)
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.testUI(HorizScrollbarEraseTest::createTestUI)
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.build()
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.awaitAndCheck();
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}
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private static Frame createTestUI() {
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Frame frame = new Frame("HorizScrollbarEraseTest");
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Panel borderPanel = new Panel();
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borderPanel.setLayout(new BorderLayout());
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Button focusedButton = new Button("Focus starts here");
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borderPanel.add(focusedButton, BorderLayout.NORTH);
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Panel gridPanel = new Panel();
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gridPanel.setLayout(new GridLayout(0, 4));
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borderPanel.add(gridPanel, BorderLayout.CENTER);
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InstructionList il1 = new InstructionList("Tab to Item 2, then \n" +
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"press the down" +
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"arrow key to scroll down");
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il1.list.select(2);
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il1.list.makeVisible(0);
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gridPanel.add(il1);
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InstructionList il2 = new InstructionList("Tab to the next List,\n" +
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"then press the down\n" +
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"arrow key to select\n" +
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"the last item.");
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il2.list.select(3);
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il2.list.makeVisible(0);
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gridPanel.add(il2);
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InstructionList il3 = new InstructionList("Click the button to\n" +
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"programmatically\n" +
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"select item 3 (not showing)");
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Button selectBtn = new Button("Click Me");
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final List selectList = il3.list;
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selectBtn.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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selectList.select(3);
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}
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});
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il3.add(selectBtn, BorderLayout.CENTER);
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gridPanel.add(il3);
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InstructionList il4 = new InstructionList("Click the button to\nprogrammatically\ndeselect item 3\n(not showing)");
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Button deselectBtn = new Button("Click Me");
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final List deselectList = il4.list;
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deselectBtn.addActionListener(new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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deselectList.deselect(3);
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}
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});
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il4.add(deselectBtn, BorderLayout.CENTER);
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il4.list.select(3);
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il4.list.makeVisible(0);
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gridPanel.add(il4);
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frame.add(borderPanel);
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frame.pack();
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return frame;
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}
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}
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class InstructionList extends Panel {
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TextArea ta;
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public List list;
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public InstructionList(String instructions) {
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super();
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setLayout(new BorderLayout());
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ta = new TextArea(instructions, 6, 25, TextArea.SCROLLBARS_NONE);
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ta.setFocusable(false);
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list = new List();
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for (int i = 0; i < 5; i++) {
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list.add("Item " + i + ", a long, long, long, long item");
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}
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add(ta, BorderLayout.NORTH);
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add(list, BorderLayout.SOUTH);
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}
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}
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