#16 Refactor Swing backend, demo of multiple TApplications in one Swing frame

[fanfix.git] / src / jexer / backend / SwingBackend.java

diff --git a/src/jexer/backend/SwingBackend.java b/src/jexer/backend/SwingBackend.java
index 3dbf01778d3785d166a52b3a9cfdd7cba48e4b7f..876015e4d125874591dcf5da5bc32cfd694dd207 100644 (file)
--- a/src/jexer/backend/SwingBackend.java
+++ b/src/jexer/backend/SwingBackend.java
@@ -3,7 +3,7 @@
  *
  * The MIT License (MIT)
  *
- * Copyright (C) 2016 Kevin Lamonte
+ * Copyright (C) 2017 Kevin Lamonte
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -29,16 +29,15 @@
 package jexer.backend;
 
 import java.util.List;
+import javax.swing.JComponent;
 
 import jexer.event.TInputEvent;
-import jexer.io.SwingScreen;
-import jexer.io.SwingTerminal;
 
 /**
  * This class uses standard Swing calls to handle screen, keyboard, and mouse
  * I/O.
  */
-public final class SwingBackend extends Backend {
+public final class SwingBackend extends GenericBackend {
 
     /**
      * Input events are processed by this Terminal.
@@ -46,21 +45,62 @@ public final class SwingBackend extends Backend {
     private SwingTerminal terminal;
 
     /**
-     * Public constructor.
+     * Public constructor.  The window will be 80x25 with font size 20 pts.
      *
      * @param listener the object this backend needs to wake up when new
      * input comes in
      */
     public SwingBackend(final Object listener) {
-        // Create a screen
-        SwingScreen screen = new SwingScreen();
-        this.screen = screen;
+        this(listener, 80, 25, 20);
+    }
+
+    /**
+     * Public constructor will spawn a new JFrame.
+     *
+     * @param listener the object this backend needs to wake up when new
+     * input comes in
+     * @param windowWidth the number of text columns to start with
+     * @param windowHeight the number of text rows to start with
+     * @param fontSize the size in points.  Good values to pick are: 16, 20,
+     * 22, and 24.
+     */
+    public SwingBackend(final Object listener, final int windowWidth,
+        final int windowHeight, final int fontSize) {
 
-        // Create the Swing event listeners
-        terminal = new SwingTerminal(listener, screen);
+        // Create a Swing backend using a JFrame
+        terminal = new SwingTerminal(windowWidth, windowHeight, fontSize,
+            listener);
 
         // Hang onto the session info
         this.sessionInfo = terminal.getSessionInfo();
+
+        // SwingTerminal is the screen too
+        screen = terminal;
+    }
+
+    /**
+     * Public constructor will render onto a JComponent.
+     *
+     * @param component the Swing component to render to
+     * @param listener the object this backend needs to wake up when new
+     * input comes in
+     * @param windowWidth the number of text columns to start with
+     * @param windowHeight the number of text rows to start with
+     * @param fontSize the size in points.  Good values to pick are: 16, 20,
+     * 22, and 24.
+     */
+    public SwingBackend(final JComponent component, final Object listener,
+        final int windowWidth, final int windowHeight, final int fontSize) {
+
+        // Create a Swing backend using a JComponent
+        terminal = new SwingTerminal(component, windowWidth, windowHeight,
+            fontSize, listener);
+
+        // Hang onto the session info
+        this.sessionInfo = terminal.getSessionInfo();
+
+        // SwingTerminal is the screen too
+        screen = terminal;
     }
 
     /**
@@ -88,7 +128,27 @@ public final class SwingBackend extends Backend {
      */
     @Override
     public void shutdown() {
-        ((SwingScreen) screen).shutdown();
+        terminal.closeTerminal();
+    }
+
+    /**
+     * Set the window title.
+     *
+     * @param title the new title
+     */
+    @Override
+    public void setTitle(final String title) {
+        screen.setTitle(title);
+    }
+
+    /**
+     * Set listener to a different Object.
+     *
+     * @param listener the new listening object that run() wakes up on new
+     * input
+     */
+    public void setListener(final Object listener) {
+        terminal.setListener(listener);
     }
 
 }