test/jdk/java/awt/Focus/ChildWindowFocusTest/ChildWindowFocusTest.java

/*
 * Copyright (c) 2004, 2018, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/*
  @test
  @key headful
  @bug        5090325
  @summary    Tests that Window's child can be focused on XAWT.
  @run        main ChildWindowFocusTest
*/

import java.awt.*;
import java.awt.event.*;

public class ChildWindowFocusTest {
    Robot robot;
    Frame frame = new Frame("Owner");
    Button button0 = new Button("button-0");
    TextField text0 = new TextField("text-0");
    TextField text1 = new TextField("text-1");
    Window win1 = new TestWindow(frame, text0, 110);
    Window win2 = new TestWindow(win1, text1, 220);
    Frame outerFrame = new Frame("Outer");
    Button button1 = new Button("button-1");
    int shift;

    public static void main(final String[] args) {
        ChildWindowFocusTest app = new ChildWindowFocusTest();
        app.init();
        app.start();
    }

    public void init() {
        try {
            robot = new Robot();
        } catch (AWTException e) {
            throw new RuntimeException("Error: unable to create robot", e);
        }
        shift = 100;
    }

    public void start() {

        frame.setBounds(0, 50, 400, 100);
        frame.setLayout(new FlowLayout());
        frame.add(button0);

        outerFrame.setBounds(0, 390, 400, 100);
        outerFrame.setLayout(new FlowLayout());
        outerFrame.add(button1);

        adjustAndShow(new Component[] {frame, win1, win2, outerFrame});
        robot.waitForIdle();

        test();
    }

    void adjustAndShow(Component[] comps) {
        for (Component comp: comps) {
            comp.setLocation(shift, (int)comp.getLocation().getY());
            comp.setVisible(true);
            robot.waitForIdle();
        }
    }

    void test() {
        clickOnCheckFocusOwner(button0);
        clickOnCheckFocusOwner(text1);
        clickOnCheckFocusOwner(button1);
        clickOn(frame);
        checkFocusOwner(text1);
        clickOnCheckFocusOwner(text0);
        clickOnCheckFocusOwner(button1);
        clickOn(frame);
        checkFocusOwner(text0);

        System.out.println("Test passed.");
    }

    void clickOnCheckFocusOwner(Component c) {
        clickOn(c);
        if (!checkFocusOwner(c)) {
            throw new RuntimeException("Test failed: couldn't focus <" + c + "> by mouse click!");
        }
    }

    boolean checkFocusOwner(Component comp) {
        return (comp == KeyboardFocusManager.getCurrentKeyboardFocusManager().getFocusOwner());
    }

    void clickOn(Component c) {
        Point p = c.getLocationOnScreen();
        Dimension d = c.getSize();

        System.out.println("Clicking " + c);

        if (c instanceof Frame) {
            robot.mouseMove(p.x + (int)(d.getWidth()/2), p.y + ((Frame)c).getInsets().top/2);
        } else {
            robot.mouseMove(p.x + (int)(d.getWidth()/2), p.y + (int)(d.getHeight()/2));
        }
        robot.delay(50);
        robot.mousePress(InputEvent.BUTTON1_MASK);
        robot.delay(50);
        robot.mouseRelease(InputEvent.BUTTON1_MASK);
        robot.waitForIdle();
    }

}

class TestWindow extends Window {
    TestWindow(Window owner, Component comp, int x) {
        super(owner);
        setBackground(Color.blue);
        setLayout(new FlowLayout());
        add(comp);
        comp.setBackground(Color.yellow);
        setBounds(0, x, 100, 100);
    }
}