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

[nikiroo-utils.git] / src / jexer / backend / ECMA48Backend.java

diff --git a/src/jexer/backend/ECMA48Backend.java b/src/jexer/backend/ECMA48Backend.java
index 56e4ee9ef6257e89e36bb8cc326dafdcf2e49e4b..ee7a10374f0332ec05139a5f4bf42cf7f51580ea 100644 (file)
--- a/src/jexer/backend/ECMA48Backend.java
+++ b/src/jexer/backend/ECMA48Backend.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"),
@@ -30,18 +30,18 @@ package jexer.backend;
 
 import java.io.InputStream;
 import java.io.OutputStream;
+import java.io.PrintWriter;
+import java.io.Reader;
 import java.io.UnsupportedEncodingException;
 import java.util.List;
 
 import jexer.event.TInputEvent;
-import jexer.io.ECMA48Screen;
-import jexer.io.ECMA48Terminal;
 
 /**
  * This class uses an xterm/ANSI X3.64/ECMA-48 type terminal to provide a
  * screen, keyboard, and mouse to TApplication.
  */
-public final class ECMA48Backend extends Backend {
+public final class ECMA48Backend extends GenericBackend {
 
     /**
      * Input events are processed by this Terminal.
@@ -72,12 +72,54 @@ public final class ECMA48Backend extends Backend {
         // Keep the terminal's sessionInfo so that TApplication can see it
         sessionInfo = terminal.getSessionInfo();
 
-        // Create a screen
-        screen = new ECMA48Screen(terminal);
+        // ECMA48Terminal is the screen too
+        screen = terminal;
+    }
+
+    /**
+     * Public constructor.
+     *
+     * @param listener the object this backend needs to wake up when new
+     * input comes in
+     * @param input the InputStream underlying 'reader'.  Its available()
+     * method is used to determine if reader.read() will block or not.
+     * @param reader a Reader connected to the remote user.
+     * @param writer a PrintWriter connected to the remote user.
+     * @param setRawMode if true, set System.in into raw mode with stty.
+     * This should in general not be used.  It is here solely for Demo3,
+     * which uses System.in.
+     * @throws IllegalArgumentException if input, reader, or writer are null.
+     */
+    public ECMA48Backend(final Object listener, final InputStream input,
+        final Reader reader, final PrintWriter writer,
+        final boolean setRawMode) {
+
+        // Create a terminal and explicitly set stdin into raw mode
+        terminal = new ECMA48Terminal(listener, input, reader, writer,
+            setRawMode);
+
+        // Keep the terminal's sessionInfo so that TApplication can see it
+        sessionInfo = terminal.getSessionInfo();
+
+        // ECMA48Terminal is the screen too
+        screen = terminal;
+    }
 
-        // Clear the screen
-        terminal.getOutput().write(terminal.clearAll());
-        terminal.flush();
+    /**
+     * Public constructor.
+     *
+     * @param listener the object this backend needs to wake up when new
+     * input comes in
+     * @param input the InputStream underlying 'reader'.  Its available()
+     * method is used to determine if reader.read() will block or not.
+     * @param reader a Reader connected to the remote user.
+     * @param writer a PrintWriter connected to the remote user.
+     * @throws IllegalArgumentException if input, reader, or writer are null.
+     */
+    public ECMA48Backend(final Object listener, final InputStream input,
+        final Reader reader, final PrintWriter writer) {
+
+        this(listener, input, reader, writer, false);
     }
 
     /**
@@ -105,7 +147,17 @@ public final class ECMA48Backend extends Backend {
      */
     @Override
     public void shutdown() {
-        terminal.shutdown();
+        terminal.closeTerminal();
+    }
+
+    /**
+     * Set the window title.
+     *
+     * @param title the new title
+     */
+    @Override
+    public void setTitle(final String title) {
+        screen.setTitle(title);
     }
 
 }