*
* The MIT License (MIT)
*
- * Copyright (C) 2017 Kevin Lamonte
+ * 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"),
*/
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.
*
*/
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.
+ */
+
/*
- * Spin up a Swing backend to match the ECMA48 backend on
- * System.in/out.
+ * We create the first screen and use it to establish a
+ * MultiBackend.
*/
- ECMA48Backend ecmaBackend = new ECMA48Backend(new Object(), null,
- null);
+ 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();
- SwingBackend swingBackend = new SwingBackend(new Object(),
- multiScreen.getWidth(), multiScreen.getHeight(), 16);
+ /*
+ * 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();
}