152 lines
4.9 KiB
Java
152 lines
4.9 KiB
Java
/*
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* Copyright (c) 1999, 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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import java.awt.Canvas;
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import java.awt.Color;
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import java.awt.Dimension;
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import java.awt.Frame;
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import java.awt.Graphics;
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import java.awt.GridLayout;
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import java.awt.Panel;
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import java.awt.Window;
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import java.awt.event.FocusEvent;
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import java.awt.event.FocusListener;
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import java.awt.event.MouseAdapter;
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import java.awt.event.MouseEvent;
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import java.awt.event.WindowAdapter;
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import java.awt.event.WindowEvent;
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/*
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* @test
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* @bug 4140293
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* @summary Tests that focus is returned to the correct Component when a Frame
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* is reactivated.
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* @library /java/awt/regtesthelpers
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* @build PassFailJFrame
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* @run main/manual FocusTest
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*/
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public class FocusTest {
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private static final String INSTRUCTIONS = """
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Click on the bottom rectangle. Move the mouse slightly.
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A focus rectangle should appear around the bottom rectangle.
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Now, deactivate the window and then reactivate it.
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(You would click on the caption bar of another window,
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and then on the caption bar of the FocusTest Frame.)
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If the focus rectangle appears again, the test passes.
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If it does not appear, or appears around the top rectangle,
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the test fails.
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""";
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public static void main(String[] args) throws Exception {
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PassFailJFrame.builder()
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.title("FocusTest Instructions")
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.instructions(INSTRUCTIONS)
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.columns(45)
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.logArea(6)
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.testUI(FocusTest::createAndShowUI)
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.build()
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.awaitAndCheck();
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}
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private static Window createAndShowUI() {
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Frame frame = new Frame("FocusTest");
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frame.add(new FocusTestPanel());
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frame.setSize(400, 400);
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frame.addWindowListener(new WindowAdapter() {
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public void windowClosing(WindowEvent e) {
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frame.dispose();
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}
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});
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frame.validate();
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return frame;
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}
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private static class FocusTestPanel extends Panel {
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PassiveClient pc1 = new PassiveClient("pc1");
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PassiveClient pc2 = new PassiveClient("pc2");
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public FocusTestPanel() {
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super();
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setLayout(new GridLayout(2, 1, 10, 10));
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add(pc1);
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add(pc2);
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}
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}
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private static class PassiveClient extends Canvas implements FocusListener {
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boolean haveFocus = false;
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final String name;
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PassiveClient(String name) {
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super();
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this.name = name;
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setSize(400, 100);
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setBackground(Color.cyan);
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setVisible(true);
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setEnabled(true);
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addMouseListener(new MouseAdapter() {
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@Override
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public void mouseClicked(MouseEvent e) {
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requestFocus();
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}
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});
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addFocusListener(this);
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}
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public void paint(Graphics g) {
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g.setColor(getBackground());
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Dimension size = getSize();
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g.fillRect(0, 0, size.width, size.height);
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if (haveFocus) {
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g.setColor(Color.black);
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g.drawRect(0, 0, size.width - 1, size.height - 1);
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g.drawRect(1, 1, size.width - 3, size.height - 3);
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}
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g.setColor(getForeground());
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}
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public void focusGained(FocusEvent event) {
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haveFocus = true;
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paint(getGraphics());
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PassFailJFrame.log("<<<< %s Got focus!! %s>>>>".formatted(this, event));
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}
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public void focusLost(FocusEvent event) {
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haveFocus = false;
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paint(getGraphics());
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PassFailJFrame.log("<<<< %s Lost focus!! %s>>>>".formatted(this, event));
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}
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@Override
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public String toString() {
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return "PassiveClient " + name;
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}
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}
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}
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