/*
* 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) 2016 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
ESCAPE_INTERMEDIATE,
CSI_ENTRY,
CSI_PARAM,
- // CSI_INTERMEDIATE,
MOUSE,
MOUSE_SGR,
}
readerThread.start();
}
+ /**
+ * Constructor sets up state for getEvent().
+ *
+ * @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 ECMA48Terminal(final Object listener, final InputStream input,
+ final Reader reader, final PrintWriter writer,
+ final boolean setRawMode) {
+
+ if (input == null) {
+ throw new IllegalArgumentException("InputStream must be specified");
+ }
+ if (reader == null) {
+ throw new IllegalArgumentException("Reader must be specified");
+ }
+ if (writer == null) {
+ throw new IllegalArgumentException("Writer must be specified");
+ }
+ reset();
+ mouse1 = false;
+ mouse2 = false;
+ mouse3 = false;
+ stopReaderThread = false;
+ this.listener = listener;
+
+ inputStream = input;
+ this.input = reader;
+
+ if (setRawMode == true) {
+ sttyRaw();
+ }
+ this.setRawMode = setRawMode;
+
+ if (input instanceof SessionInfo) {
+ // This is a TelnetInputStream that exposes window size and
+ // environment variables from the telnet layer.
+ sessionInfo = (SessionInfo) input;
+ }
+ if (sessionInfo == null) {
+ if (setRawMode == true) {
+ // Reading right off the tty
+ sessionInfo = new TTYSessionInfo();
+ } else {
+ sessionInfo = new TSessionInfo();
+ }
+ }
+
+ this.output = writer;
+
+ // Enable mouse reporting and metaSendsEscape
+ this.output.printf("%s%s", mouse(true), xtermMetaSendsEscape(true));
+ this.output.flush();
+
+ // Hang onto the window size
+ windowResize = new TResizeEvent(TResizeEvent.Type.SCREEN,
+ sessionInfo.getWindowWidth(), sessionInfo.getWindowHeight());
+
+ // Spin up the input reader
+ eventQueue = new LinkedList<TInputEvent>();
+ readerThread = new Thread(this);
+ readerThread.start();
+ }
+
+ /**
+ * Constructor sets up state for getEvent().
+ *
+ * @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 ECMA48Terminal(final Object listener, final InputStream input,
+ final Reader reader, final PrintWriter writer) {
+
+ this(listener, input, reader, writer, false);
+ }
+
/**
* Restore terminal to normal state.
*/
*/
private TInputEvent csiFnKey() {
int key = 0;
- int modifier = 0;
if (params.size() > 0) {
key = Integer.parseInt(params.get(0));
}
- if (params.size() > 1) {
- modifier = Integer.parseInt(params.get(1));
- }
boolean alt = false;
boolean ctrl = false;
boolean shift = false;
-
- switch (modifier) {
- case 0:
- // No modifier
- break;
- case 2:
- // Shift
- shift = true;
- break;
- case 3:
- // Alt
- alt = true;
- break;
- case 5:
- // Ctrl
- ctrl = true;
- break;
- default:
- // Unknown modifier, bail out
- return null;
+ if (params.size() > 1) {
+ shift = csiIsShift(params.get(1));
+ alt = csiIsAlt(params.get(1));
+ ctrl = csiIsCtrl(params.get(1));
}
switch (key) {
}
}
+ /**
+ * Returns true if the CSI parameter for a keyboard command means that
+ * shift was down.
+ */
+ private boolean csiIsShift(final String x) {
+ if ((x.equals("2"))
+ || (x.equals("4"))
+ || (x.equals("6"))
+ || (x.equals("8"))
+ ) {
+ return true;
+ }
+ return false;
+ }
+
+ /**
+ * Returns true if the CSI parameter for a keyboard command means that
+ * alt was down.
+ */
+ private boolean csiIsAlt(final String x) {
+ if ((x.equals("3"))
+ || (x.equals("4"))
+ || (x.equals("7"))
+ || (x.equals("8"))
+ ) {
+ return true;
+ }
+ return false;
+ }
+
+ /**
+ * Returns true if the CSI parameter for a keyboard command means that
+ * ctrl was down.
+ */
+ private boolean csiIsCtrl(final String x) {
+ if ((x.equals("5"))
+ || (x.equals("6"))
+ || (x.equals("7"))
+ || (x.equals("8"))
+ ) {
+ return true;
+ }
+ return false;
+ }
+
/**
* Parses the next character of input to see if an InputEvent is
* fully here.
switch (ch) {
case 'A':
// Up
- if (params.size() > 1) {
- if (params.get(1).equals("2")) {
- shift = true;
- }
- if (params.get(1).equals("5")) {
- ctrl = true;
- }
- if (params.get(1).equals("3")) {
- alt = true;
- }
- }
events.add(new TKeypressEvent(kbUp, alt, ctrl, shift));
reset();
return;
case 'B':
// Down
- if (params.size() > 1) {
- if (params.get(1).equals("2")) {
- shift = true;
- }
- if (params.get(1).equals("5")) {
- ctrl = true;
- }
- if (params.get(1).equals("3")) {
- alt = true;
- }
- }
events.add(new TKeypressEvent(kbDown, alt, ctrl, shift));
reset();
return;
case 'C':
// Right
- if (params.size() > 1) {
- if (params.get(1).equals("2")) {
- shift = true;
- }
- if (params.get(1).equals("5")) {
- ctrl = true;
- }
- if (params.get(1).equals("3")) {
- alt = true;
- }
- }
events.add(new TKeypressEvent(kbRight, alt, ctrl, shift));
reset();
return;
case 'D':
// Left
- if (params.size() > 1) {
- if (params.get(1).equals("2")) {
- shift = true;
- }
- if (params.get(1).equals("5")) {
- ctrl = true;
- }
- if (params.get(1).equals("3")) {
- alt = true;
- }
- }
events.add(new TKeypressEvent(kbLeft, alt, ctrl, shift));
reset();
return;
case 'A':
// Up
if (params.size() > 1) {
- if (params.get(1).equals("2")) {
- shift = true;
- }
- if (params.get(1).equals("5")) {
- ctrl = true;
- }
- if (params.get(1).equals("3")) {
- alt = true;
- }
+ shift = csiIsShift(params.get(1));
+ alt = csiIsAlt(params.get(1));
+ ctrl = csiIsCtrl(params.get(1));
}
events.add(new TKeypressEvent(kbUp, alt, ctrl, shift));
reset();
case 'B':
// Down
if (params.size() > 1) {
- if (params.get(1).equals("2")) {
- shift = true;
- }
- if (params.get(1).equals("5")) {
- ctrl = true;
- }
- if (params.get(1).equals("3")) {
- alt = true;
- }
+ shift = csiIsShift(params.get(1));
+ alt = csiIsAlt(params.get(1));
+ ctrl = csiIsCtrl(params.get(1));
}
events.add(new TKeypressEvent(kbDown, alt, ctrl, shift));
reset();
case 'C':
// Right
if (params.size() > 1) {
- if (params.get(1).equals("2")) {
- shift = true;
- }
- if (params.get(1).equals("5")) {
- ctrl = true;
- }
- if (params.get(1).equals("3")) {
- alt = true;
- }
+ shift = csiIsShift(params.get(1));
+ alt = csiIsAlt(params.get(1));
+ ctrl = csiIsCtrl(params.get(1));
}
events.add(new TKeypressEvent(kbRight, alt, ctrl, shift));
reset();
case 'D':
// Left
if (params.size() > 1) {
- if (params.get(1).equals("2")) {
- shift = true;
- }
- if (params.get(1).equals("5")) {
- ctrl = true;
- }
- if (params.get(1).equals("3")) {
- alt = true;
- }
+ shift = csiIsShift(params.get(1));
+ alt = csiIsAlt(params.get(1));
+ ctrl = csiIsCtrl(params.get(1));
}
events.add(new TKeypressEvent(kbLeft, alt, ctrl, shift));
reset();
return;
+ case 'H':
+ // Home
+ if (params.size() > 1) {
+ shift = csiIsShift(params.get(1));
+ alt = csiIsAlt(params.get(1));
+ ctrl = csiIsCtrl(params.get(1));
+ }
+ events.add(new TKeypressEvent(kbHome, alt, ctrl, shift));
+ reset();
+ return;
+ case 'F':
+ // End
+ if (params.size() > 1) {
+ shift = csiIsShift(params.get(1));
+ alt = csiIsAlt(params.get(1));
+ ctrl = csiIsCtrl(params.get(1));
+ }
+ events.add(new TKeypressEvent(kbEnd, alt, ctrl, shift));
+ reset();
+ return;
default:
break;
}
*/
private String mouse(final boolean on) {
if (on) {
- return "\033[?1003;1005;1006h\033[?1049h";
+ return "\033[?1002;1003;1005;1006h\033[?1049h";
}
- return "\033[?1003;1006;1005l\033[?1049l";
+ return "\033[?1002;1003;1006;1005l\033[?1049l";
}
/**