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.
129 lines
4.5 KiB
Java
129 lines
4.5 KiB
Java
/*
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* Copyright (c) 2000, 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 4372477
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* @summary Test disabling of wheel scrolling
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* @library /java/awt/regtesthelpers
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* @build PassFailJFrame
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* @run main/manual WheelScrollEnabled
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*/
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import java.awt.BorderLayout;
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import java.awt.Checkbox;
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import java.awt.Frame;
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import java.awt.GridLayout;
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import java.awt.Label;
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import java.awt.Panel;
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import java.awt.ScrollPane;
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import java.awt.event.ItemEvent;
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import java.awt.event.ItemListener;
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import java.awt.event.MouseWheelEvent;
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import java.awt.event.MouseWheelListener;
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import java.lang.reflect.InvocationTargetException;
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public class WheelScrollEnabled extends Frame {
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static String INSTRUCTIONS = """
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This test requires mouse with a scrolling wheel or
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device that is able to simulate scrolling using gestures.
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If you do not have such device press "Pass" to skip testing.
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You should see a ScrollPane with some labels in it and two checkboxes.
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For each of the four combinations of the two checkboxes,
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move the cursor over the ScrollPane and rotate the mouse wheel.
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When (and ONLY when) the 'WheelListener added' checkbox is checked,
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scrolling the mouse wheel should produce a text message in the log area.
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When (and ONLY when) the 'Wheel scrolling enabled' checkbox is checked,
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the ScrollPane should scroll when mouse wheel is scrolled on top of it.
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If all four checkbox combinations work properly press "Pass",
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otherwise press "Fail".
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""";
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MouseWheelListener mwl;
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Checkbox cb;
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Checkbox cb2;
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ScrollPane sp;
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public WheelScrollEnabled() {
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setLayout(new BorderLayout());
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Panel pnl = new Panel();
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pnl.setLayout(new GridLayout(10, 10));
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for (int i = 0; i < 100; i++) {
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pnl.add(new Label("Label " + i));
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}
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sp = new ScrollPane();
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sp.add(pnl);
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sp.setWheelScrollingEnabled(false);
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mwl = new MouseWheelListener() {
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int i;
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@Override
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public void mouseWheelMoved(MouseWheelEvent e) {
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PassFailJFrame.log("mouseWheelMoved " + i++);
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}
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};
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sp.addMouseWheelListener(mwl);
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add(sp, BorderLayout.CENTER);
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Panel pl2 = new Panel();
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ItemListener il = new ControlListener();
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cb = new Checkbox("WheelListener added", true);
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cb.addItemListener(il);
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pl2.add(cb);
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cb2 = new Checkbox("Wheel scrolling enabled", false);
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cb2.addItemListener(il);
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pl2.add(cb2);
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add(pl2, BorderLayout.SOUTH);
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setSize(400, 200);
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}
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class ControlListener implements ItemListener {
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public void itemStateChanged(ItemEvent e) {
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if (e.getSource() == cb) {
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boolean state = cb.getState();
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if (state) {
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sp.addMouseWheelListener(mwl);
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}
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else {
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sp.removeMouseWheelListener(mwl);
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}
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}
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if (e.getSource() == cb2) {
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sp.setWheelScrollingEnabled(cb2.getState());
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}
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}
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}
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public static void main(String[] args) throws InterruptedException,
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InvocationTargetException {
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PassFailJFrame.builder()
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.title("Wheel Scroll Enabled Instructions")
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.instructions(INSTRUCTIONS)
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.logArea(10)
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.testUI(WheelScrollEnabled::new)
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.build()
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.awaitAndCheck();
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}
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}
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