TWindowBackend

[fanfix.git] / src / jexer / backend / ECMA48Backend.java

diff --git a/src/jexer/backend/ECMA48Backend.java b/src/jexer/backend/ECMA48Backend.java
index 857985562b8fcc3de75bf235c3db4871fa3d5d05..3e588f992c209c7f6a0e45a2202cfccbf1dd9a22 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"),
@@ -33,22 +33,24 @@ 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.
+     * Public constructor will use System.in and System.out and UTF-8
+     * encoding. On non-Windows systems System.in will be put in raw mode;
+     * shutdown() will (blindly!) put System.in in cooked mode.
+     *
+     * @throws UnsupportedEncodingException if an exception is thrown when
+     * creating the InputStreamReader
      */
-    private ECMA48Terminal terminal;
+    public ECMA48Backend() throws UnsupportedEncodingException {
+        this(null, null, null);
+    }
 
     /**
      * Public constructor.
@@ -72,14 +74,10 @@ public final class ECMA48Backend extends Backend {
         terminal = new ECMA48Terminal(listener, input, output);
 
         // Keep the terminal's sessionInfo so that TApplication can see it
-        sessionInfo = terminal.getSessionInfo();
-
-        // Create a screen
-        screen = new ECMA48Screen(terminal);
+        sessionInfo = ((ECMA48Terminal) terminal).getSessionInfo();
 
-        // Clear the screen
-        terminal.getOutput().write(terminal.clearAll());
-        terminal.flush();
+        // ECMA48Terminal is the screen too
+        screen = (ECMA48Terminal) terminal;
     }
 
     /**
@@ -105,14 +103,10 @@ public final class ECMA48Backend extends Backend {
             setRawMode);
 
         // Keep the terminal's sessionInfo so that TApplication can see it
-        sessionInfo = terminal.getSessionInfo();
+        sessionInfo = ((ECMA48Terminal) terminal).getSessionInfo();
 
-        // Create a screen
-        screen = new ECMA48Screen(terminal);
-
-        // Clear the screen
-        terminal.getOutput().write(terminal.clearAll());
-        terminal.flush();
+        // ECMA48Terminal is the screen too
+        screen = (ECMA48Terminal) terminal;
     }
 
     /**
@@ -132,42 +126,5 @@ public final class ECMA48Backend extends Backend {
         this(listener, input, reader, writer, false);
     }
 
-    /**
-     * Sync the logical screen to the physical device.
-     */
-    @Override
-    public void flushScreen() {
-        screen.flushPhysical();
-    }
-
-    /**
-     * Get keyboard, mouse, and screen resize events.
-     *
-     * @param queue list to append new events to
-     */
-    @Override
-    public void getEvents(final List<TInputEvent> queue) {
-        if (terminal.hasEvents()) {
-            terminal.getEvents(queue);
-        }
-    }
-
-    /**
-     * Close the I/O, restore the console, etc.
-     */
-    @Override
-    public void shutdown() {
-        terminal.shutdown();
-    }
-
-    /**
-     * Set the window title.
-     *
-     * @param title the new title
-     */
-    @Override
-    public void setTitle(final String title) {
-        ((ECMA48Screen) screen).setTitle(title);
-    }
 
 }