Merge branch 'subtree'

[nikiroo-utils.git] / src / jexer / demos / Demo6.java

/*
 * Jexer - Java Text User Interface
 *
 * The MIT License (MIT)
 *
 * Copyright (C) 2019 Kevin Lamonte
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 *
 * @author Kevin Lamonte [kevin.lamonte@gmail.com]
 * @version 1
 */
package jexer.demos;

import java.util.ResourceBundle;

import jexer.TApplication;
import jexer.backend.*;
import jexer.demos.DemoApplication;

/**
 * This class shows off the use of MultiBackend and MultiScreen.
 */
public class Demo6 {

    /**
     * Translated strings.
     */
    private static final ResourceBundle i18n = ResourceBundle.getBundle(Demo6.class.getName());

    // ------------------------------------------------------------------------
    // Demo6 ------------------------------------------------------------------
    // ------------------------------------------------------------------------

    /**
     * Main entry point.
     *
     * @param args Command line arguments
     */
    public static void main(final String [] args) {
        try {

            /*
             * In this demo we will create two applications spanning three
             * screens.  One of the applications will have both an ECMA48
             * screen and a Swing screen, with all I/O mirrored between them.
             * The second application will have a Swing screen containing a
             * window showing the first application, also mirroring I/O
             * between the window and the other two screens.
             */

            /*
             * We create the first screen and use it to establish a
             * MultiBackend.
             */
            ECMA48Backend ecmaBackend = new ECMA48Backend();
            MultiBackend multiBackend = new MultiBackend(ecmaBackend);

            /*
             * Now we create the first application (a standard demo).
             */
            DemoApplication demoApp = new DemoApplication(multiBackend);

            /*
             * We will need the width and height of the ECMA48 screen, so get
             * the Screen reference now.
             */
            Screen multiScreen = multiBackend.getScreen();

            /*
             * Now we create the second screen (backend) for the first
             * application.  It will be the same size as the ECMA48 screen,
             * with a font size of 16 points.
             */
            SwingBackend swingBackend = new SwingBackend(multiScreen.getWidth(),
                multiScreen.getHeight(), 16);

            /*
             * Add this screen to the MultiBackend, and at this point we have
             * one demo application spanning two physical screens.
             */
            multiBackend.addBackend(swingBackend);
            multiBackend.setListener(demoApp);

            /*
             * Time for the second application.  This one will have a single
             * window mirroring the contents of the first application.  Let's
             * make it a little larger than the first application's
             * width/height.
             */
            int width = multiScreen.getWidth();
            int height = multiScreen.getHeight();

            /*
             * Make a new Swing window for the second application.
             */
            SwingBackend monitorBackend = new SwingBackend(width + 5,
                height + 5, 20);

            /*
             * Setup the second application, give it the basic file and
             * window menus.
             */
            TApplication monitor = new TApplication(monitorBackend);
            monitor.addToolMenu();
            monitor.addFileMenu();
            monitor.addWindowMenu();

            /*
             * Now add the third screen to the first application.  We want to
             * change the object it locks on in its draw() method to the
             * MultiScreen, that will dramatically reduce (not totally
             * eliminate) screen tearing/artifacts.
             */
            TWindowBackend windowBackend = new TWindowBackend(demoApp,
                monitor, i18n.getString("monitorWindow"),
                width + 2, height + 2);
            windowBackend.setDrawLock(multiScreen);
            windowBackend.setOtherApplication(demoApp);
            multiBackend.addBackend(windowBackend);

            /*
             * Three screens, two applications: spin them up!
             */
            (new Thread(demoApp)).start();
            (new Thread(monitor)).start();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

}