/*

 * Copyright (c) 2017, 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 8075063

 * @summary  Verifies if Context menu closes on mouse scroll

 * @run main ContextMenuScrollTest

 */

import java.awt.Dimension;

import java.awt.Point;

import java.awt.Robot;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.InputEvent;

import java.awt.event.KeyEvent;

import javax.swing.JComponent;

import javax.swing.JFrame;

import javax.swing.JMenu;

import javax.swing.JMenuBar;

import javax.swing.JMenuItem;

import javax.swing.JPopupMenu;

import javax.swing.JSeparator;

import javax.swing.KeyStroke;

import javax.swing.SwingUtilities;

public class ContextMenuScrollTest extends JPopupMenu

{

    private JMenuItem undo;

    private JMenuItem redo;

    private JMenuItem cut;

    private JMenuItem copy;

    private JMenuItem paste;

    private JMenuItem delete;

    private JMenuItem selectAll;

    private final Robot robot;

    private JFrame frame;

    private JMenuBar menuBar;

    private JMenu menu;

    private volatile Point p = null;

    private volatile Dimension d = null;

    public static void main(String[] args) throws Exception {

        new ContextMenuScrollTest();

    }

    void blockTillDisplayed(JComponent comp) throws Exception {

        while (p == null) {

            try {

                SwingUtilities.invokeAndWait(() -> {

                    p = comp.getLocationOnScreen();

                    d = menu.getSize();

                });

            } catch (IllegalStateException e) {

                try {

                    Thread.sleep(1000);

                } catch (InterruptedException ie) {

                }

            }

        }

    }

    public ContextMenuScrollTest() throws Exception

    {

        robot = new Robot();

        robot.setAutoDelay(200);

        try {

            SwingUtilities.invokeAndWait(()->createGUI());

            blockTillDisplayed(menu);

            robot.waitForIdle();

            robot.mouseMove(p.x + d.width/2, p.y + d.height/2);

            robot.mousePress(InputEvent.BUTTON1_MASK);

            robot.mouseRelease(InputEvent.BUTTON1_MASK);

            robot.waitForIdle();

            System.out.println("popmenu visible " + menu.isPopupMenuVisible());

            robot.mouseWheel(1);

            robot.waitForIdle();

            System.out.println("popmenu visible " + menu.isPopupMenuVisible());

            if (!menu.isPopupMenuVisible()) {

                throw new RuntimeException("Popup closes on mouse scroll");

            }

        } finally {

            SwingUtilities.invokeAndWait(()->frame.dispose());

        }

    }

    public void createGUI() {

        frame = new JFrame();

        menuBar = new JMenuBar();

        menu = new JMenu("Menu");

        menuBar.add(menu);

        undo = new JMenuItem("Undo");

        undo.setEnabled(false);

        undo.setAccelerator(KeyStroke.getKeyStroke("control Z"));

        undo.addActionListener(new ActionListener() {

            @Override

            public void actionPerformed(ActionEvent event) {

            }

        });

        menu.add(undo);

        redo = new JMenuItem("Redo");

        redo.setEnabled(false);

        redo.setAccelerator(KeyStroke.getKeyStroke("control Y"));

        redo.addActionListener(new ActionListener() {

            @Override

            public void actionPerformed(ActionEvent event) {

            }

        });

        menu.add(redo);

        menu.add(new JSeparator());

        cut = new JMenuItem("Cut");

        cut.setEnabled(false);

        cut.setAccelerator(KeyStroke.getKeyStroke("control X"));

        cut.addActionListener(new ActionListener() {

            @Override

            public void actionPerformed(ActionEvent event) {

            }

        });

        menu.add(cut);

        copy = new JMenuItem("Copy");

        copy.setEnabled(false);

        copy.setAccelerator(KeyStroke.getKeyStroke("control C"));

        copy.addActionListener(new ActionListener() {

            @Override

            public void actionPerformed(ActionEvent event) {

            }

        });

        menu.add(copy);

        paste = new JMenuItem("Paste");

        paste.setEnabled(false);

        paste.setAccelerator(KeyStroke.getKeyStroke("control V"));

        paste.addActionListener(new ActionListener() {

            @Override

            public void actionPerformed(ActionEvent event) {

            }

        });

        menu.add(paste);

        delete = new JMenuItem("Delete");

        delete.setEnabled(false);

        delete.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_DELETE, 0));

        delete.addActionListener(new ActionListener() {

            @Override

            public void actionPerformed(ActionEvent event) {

            }

        });

        menu.add(delete);

        menu.add(new JSeparator());

        selectAll = new JMenuItem("Select All");

        selectAll.setEnabled(false);

        selectAll.setAccelerator(KeyStroke.getKeyStroke("control A"));

        selectAll.addActionListener(new ActionListener() {

            @Override

            public void actionPerformed(ActionEvent event) {

            }

        });

        menu.add(selectAll);

        frame.setJMenuBar(menuBar);

        frame.pack();

        frame.setVisible(true);

    }

}