/*
* Jexer - Java Text User Interface
*
- * License: LGPLv3 or later
+ * The MIT License (MIT)
*
- * This module is licensed under the GNU Lesser General Public License
- * Version 3. Please see the file "COPYING" in this directory for more
- * information about the GNU Lesser General Public License Version 3.
+ * Copyright (C) 2017 Kevin Lamonte
*
- * Copyright (C) 2015 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:
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 3 of
- * the License, or (at your option) any later version.
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
*
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this program; if not, see
- * http://www.gnu.org/licenses/, or write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
- * 02110-1301 USA
+ * 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
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.
+ * 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.
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;
}
/**
- * Sync the logical screen to the physical device.
+ * 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.
*/
- @Override
- public void flushScreen() {
- screen.flushPhysical();
+ 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 = ((ECMA48Terminal) terminal).getSessionInfo();
+
+ // ECMA48Terminal is the screen too
+ screen = (ECMA48Terminal) terminal;
}
/**
- * Get keyboard, mouse, and screen resize events.
+ * Public constructor.
*
- * @param queue list to append new events to
+ * @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.
*/
- @Override
- public void getEvents(final List<TInputEvent> queue) {
- if (terminal.hasEvents()) {
- terminal.getEvents(queue);
- }
- }
+ public ECMA48Backend(final Object listener, final InputStream input,
+ final Reader reader, final PrintWriter writer) {
- /**
- * Close the I/O, restore the console, etc.
- */
- @Override
- public void shutdown() {
- terminal.shutdown();
+ this(listener, input, reader, writer, false);
}
+
}