-/**
+/*
* Jexer - Java Text User Interface
*
- * License: LGPLv3 or later
- *
- * 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.
+ * The MIT License (MIT)
*
- * Copyright (C) 2015 Kevin Lamonte
+ * Copyright (C) 2017 Kevin Lamonte
*
- * 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.
+ * 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 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.
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
*
- * 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
*/
package jexer.tterminal;
+import java.io.BufferedOutputStream;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.IOException;
import jexer.bits.Color;
import jexer.bits.Cell;
import jexer.bits.CellAttributes;
+import jexer.io.ReadTimeoutException;
+import jexer.io.TimeoutInputStream;
import static jexer.TKeypress.*;
/**
- * This implements a complex ANSI ECMA-48/ISO 6429/ANSI X3.64 type consoles,
+ * This implements a complex ECMA-48/ISO 6429/ANSI X3.64 type console,
* including a scrollback buffer.
*
* <p>
return "\033[?6c";
case VT220:
+ case XTERM:
// "I am a VT220" - 7 bit version
if (!s8c1t) {
return "\033[?62;1;6c";
}
// "I am a VT220" - 8 bit version
return "\u009b?62;1;6c";
- case XTERM:
- // "I am a VT100 with advanced video option" (often VT102)
- return "\033[?1;2c";
default:
throw new IllegalArgumentException("Invalid device type: " + type);
}
* @param deviceType DeviceType.VT100, DeviceType, XTERM, etc.
* @param baseLang a base language without UTF-8 flag such as "C" or
* "en_US"
- * @return "LANG=en_US", "LANG=en_US.UTF-8", etc.
+ * @return "en_US", "en_US.UTF-8", etc.
*/
public static String deviceTypeLang(final DeviceType deviceType,
final String baseLang) {
*
* @param str string to send
*/
- private void writeRemote(final String str) {
+ public void writeRemote(final String str) {
if (stopReaderThread) {
// Reader hit EOF, bail out now.
close();
return;
}
try {
+ outputStream.flush();
for (int i = 0; i < str.length(); i++) {
outputStream.write(str.charAt(i));
}
return;
}
try {
+ output.flush();
output.write(str);
output.flush();
} catch (IOException e) {
*/
public final void close() {
- // Synchronize so we don't stomp on the reader thread.
- synchronized (this) {
-
- // Close the input stream
- switch (type) {
- case VT100:
- case VT102:
- case VT220:
- if (inputStream != null) {
- try {
- inputStream.close();
- } catch (IOException e) {
- // SQUASH
- }
- inputStream = null;
- }
- break;
- case XTERM:
- if (input != null) {
- try {
- input.close();
- } catch (IOException e) {
- // SQUASH
- }
- input = null;
- inputStream = null;
- }
- break;
+ // Tell the reader thread to stop looking at input. It will close
+ // the input streams.
+ if (stopReaderThread == false) {
+ stopReaderThread = true;
+ try {
+ readerThread.join(1000);
+ } catch (InterruptedException e) {
+ e.printStackTrace();
}
+ }
- // Tell the reader thread to stop looking at input.
- if (stopReaderThread == false) {
- stopReaderThread = true;
+ // Now close the output stream.
+ switch (type) {
+ case VT100:
+ case VT102:
+ case VT220:
+ if (outputStream != null) {
try {
- readerThread.join();
- } catch (InterruptedException e) {
- e.printStackTrace();
+ outputStream.close();
+ } catch (IOException e) {
+ // SQUASH
}
+ outputStream = null;
}
-
- // Close the output stream.
- switch (type) {
- case VT100:
- case VT102:
- case VT220:
- if (outputStream != null) {
- try {
- outputStream.close();
- } catch (IOException e) {
- // SQUASH
- }
- outputStream = null;
+ break;
+ case XTERM:
+ if (outputStream != null) {
+ try {
+ outputStream.close();
+ } catch (IOException e) {
+ // SQUASH
}
- break;
- case XTERM:
- if (output != null) {
- try {
- output.close();
- } catch (IOException e) {
- // SQUASH
- }
- output = null;
+ outputStream = null;
+ }
+ if (output != null) {
+ try {
+ output.close();
+ } catch (IOException e) {
+ // SQUASH
}
- break;
- default:
- throw new IllegalArgumentException("Invalid device type: "
- + type);
+ output = null;
}
- } // synchronized (this)
+ break;
+ default:
+ throw new IllegalArgumentException("Invalid device type: " +
+ type);
+ }
+ }
+
+ /**
+ * The enclosing listening object.
+ */
+ private DisplayListener listener;
+
+ /**
+ * Set a listening object.
+ *
+ * @param listener the object that will have displayChanged() called
+ * after bytes are received from the remote terminal
+ */
+ public void setListener(final DisplayListener listener) {
+ this.listener = listener;
}
/**
/**
* The terminal's raw InputStream. This is used for type != XTERM.
*/
- private volatile InputStream inputStream;
+ private volatile TimeoutInputStream inputStream;
/**
* The terminal's output. For type == XTERM, this wraps an
*/
private enum MouseEncoding {
X10,
- UTF8
+ UTF8,
+ SGR
}
/**
return width;
}
+ /**
+ * Set the display width.
+ *
+ * @param width the new width
+ */
+ public final void setWidth(final int width) {
+ this.width = width;
+ rightMargin = width - 1;
+ if (currentState.cursorX >= width) {
+ currentState.cursorX = width - 1;
+ }
+ if (savedState.cursorX >= width) {
+ savedState.cursorX = width - 1;
+ }
+ }
+
/**
* Physical display height. We start at 80x24, but the user can resize
* us bigger/smaller.
return height;
}
+ /**
+ * Set the display height.
+ *
+ * @param height the new height
+ */
+ public final void setHeight(final int height) {
+ this.height = height;
+ scrollRegionBottom = height - 1;
+ if (scrollRegionTop >= scrollRegionBottom) {
+ scrollRegionTop = 0;
+ }
+ if (currentState.cursorY >= height) {
+ currentState.cursorY = height - 1;
+ }
+ if (savedState.cursorY >= height) {
+ savedState.cursorY = height - 1;
+ }
+ while (display.size() < height) {
+ DisplayLine line = new DisplayLine(currentState.attr);
+ line.setReverseColor(reverseVideo);
+ display.add(line);
+ }
+ while (display.size() > height) {
+ scrollback.add(display.remove(0));
+ }
+ }
+
/**
* Top margin of the scrolling region.
*/
*
* @return if true, the cursor is visible
*/
- public final boolean visibleCursor() {
+ public final boolean isCursorVisible() {
return cursorVisible;
}
* Whether number pad keys send VT100 or VT52, application or numeric
* sequences.
*/
+ @SuppressWarnings("unused")
private KeypadMode keypadMode;
/**
*/
private boolean columns132 = false;
+ /**
+ * Get 132 columns value.
+ *
+ * @return if true, the terminal is in 132 column mode
+ */
+ public final boolean isColumns132() {
+ return columns132;
+ }
+
/**
* true = reverse video. Set by DECSCNM.
*/
* @param type one of the DeviceType constants to select VT100, VT102,
* VT220, or XTERM
* @param inputStream an InputStream connected to the remote side. For
- * type == XTERM, inputStrem is converted to a Reader with UTF-8
+ * type == XTERM, inputStream is converted to a Reader with UTF-8
* encoding.
* @param outputStream an OutputStream connected to the remote user. For
* type == XTERM, outputStream is converted to a Writer with UTF-8
display = new LinkedList<DisplayLine>();
this.type = type;
- this.inputStream = inputStream;
+ if (inputStream instanceof TimeoutInputStream) {
+ this.inputStream = (TimeoutInputStream)inputStream;
+ } else {
+ this.inputStream = new TimeoutInputStream(inputStream, 2000);
+ }
if (type == DeviceType.XTERM) {
- this.input = new InputStreamReader(inputStream, "UTF-8");
- this.output = new OutputStreamWriter(outputStream, "UTF-8");
+ this.input = new InputStreamReader(this.inputStream, "UTF-8");
+ this.output = new OutputStreamWriter(new
+ BufferedOutputStream(outputStream), "UTF-8");
this.outputStream = null;
} else {
this.output = null;
- this.outputStream = outputStream;
+ this.outputStream = new BufferedOutputStream(outputStream);
}
reset();
* Handle a linefeed.
*/
private void linefeed() {
- int i;
if (currentState.cursorY < scrollRegionBottom) {
// Increment screen y
* @param mouse mouse event received from the local user
*/
public void mouse(final TMouseEvent mouse) {
+
/*
- * TODO:
- *
- * - Parse the mouse requests from the remote side regarding protocol
- * + encoding
- *
- * - Send mouse events to the other side.
- *
- * - Handle the cursor (double invert).
+ System.err.printf("mouse(): protocol %s encoding %s mouse %s\n",
+ mouseProtocol, mouseEncoding, mouse);
*/
- // System.err.printf("Mouse: %s\n", mouse);
-
- /*
- if (mouseEncoding != MouseEncoding.UTF8) {
- // We only support UTF8 encoding, bail out now.
- return;
+ if (mouseEncoding == MouseEncoding.X10) {
+ // We will support X10 but only for (160,94) and smaller.
+ if ((mouse.getX() >= 160) || (mouse.getY() >= 94)) {
+ return;
+ }
}
- */
switch (mouseProtocol) {
* have a button down (i.e. drag-and-drop).
*/
if (mouse.getType() == TMouseEvent.Type.MOUSE_MOTION) {
- if (!mouse.getMouse1()
- && !mouse.getMouse2()
- && !mouse.getMouse3()
- && !mouse.getMouseWheelUp()
- && !mouse.getMouseWheelDown()
+ if (!mouse.isMouse1()
+ && !mouse.isMouse2()
+ && !mouse.isMouse3()
+ && !mouse.isMouseWheelUp()
+ && !mouse.isMouseWheelDown()
) {
return;
}
// Now encode the event
StringBuilder sb = new StringBuilder(6);
- sb.append((char) 0x1B);
- sb.append('[');
- sb.append('M');
- if (mouse.getMouse1()) {
- sb.append((char) (0x00 + 32));
- } else if (mouse.getMouse2()) {
- sb.append((char) (0x01 + 32));
- } else if (mouse.getMouse3()) {
- sb.append((char) (0x02 + 32));
- } else if (mouse.getMouseWheelUp()) {
- sb.append((char) (0x04 + 64));
- } else if (mouse.getMouseWheelDown()) {
- sb.append((char) (0x05 + 64));
+ if (mouseEncoding == MouseEncoding.SGR) {
+ sb.append((char) 0x1B);
+ sb.append("[<");
+
+ if (mouse.isMouse1()) {
+ if (mouse.getType() == TMouseEvent.Type.MOUSE_MOTION) {
+ sb.append("32;");
+ } else {
+ sb.append("0;");
+ }
+ } else if (mouse.isMouse2()) {
+ if (mouse.getType() == TMouseEvent.Type.MOUSE_MOTION) {
+ sb.append("33;");
+ } else {
+ sb.append("1;");
+ }
+ } else if (mouse.isMouse3()) {
+ if (mouse.getType() == TMouseEvent.Type.MOUSE_MOTION) {
+ sb.append("34;");
+ } else {
+ sb.append("2;");
+ }
+ } else if (mouse.isMouseWheelUp()) {
+ sb.append("64;");
+ } else if (mouse.isMouseWheelDown()) {
+ sb.append("65;");
+ } else {
+ // This is motion with no buttons down.
+ sb.append("35;");
+ }
+
+ sb.append(String.format("%d;%d", mouse.getX() + 1,
+ mouse.getY() + 1));
+
+ if (mouse.getType() == TMouseEvent.Type.MOUSE_UP) {
+ sb.append("m");
+ } else {
+ sb.append("M");
+ }
+
} else {
- sb.append((char) (0x03 + 32));
- }
+ // X10 and UTF8 encodings
+ sb.append((char) 0x1B);
+ sb.append('[');
+ sb.append('M');
+ if (mouse.getType() == TMouseEvent.Type.MOUSE_UP) {
+ sb.append((char) (0x03 + 32));
+ } else if (mouse.isMouse1()) {
+ if (mouse.getType() == TMouseEvent.Type.MOUSE_MOTION) {
+ sb.append((char) (0x00 + 32 + 32));
+ } else {
+ sb.append((char) (0x00 + 32));
+ }
+ } else if (mouse.isMouse2()) {
+ if (mouse.getType() == TMouseEvent.Type.MOUSE_MOTION) {
+ sb.append((char) (0x01 + 32 + 32));
+ } else {
+ sb.append((char) (0x01 + 32));
+ }
+ } else if (mouse.isMouse3()) {
+ if (mouse.getType() == TMouseEvent.Type.MOUSE_MOTION) {
+ sb.append((char) (0x02 + 32 + 32));
+ } else {
+ sb.append((char) (0x02 + 32));
+ }
+ } else if (mouse.isMouseWheelUp()) {
+ sb.append((char) (0x04 + 64));
+ } else if (mouse.isMouseWheelDown()) {
+ sb.append((char) (0x05 + 64));
+ } else {
+ // This is motion with no buttons down.
+ sb.append((char) (0x03 + 32));
+ }
- sb.append((char) (mouse.getX() + 33));
- sb.append((char) (mouse.getY() + 33));
+ sb.append((char) (mouse.getX() + 33));
+ sb.append((char) (mouse.getY() + 33));
+ }
// System.err.printf("Would write: \'%s\'\n", sb.toString());
writeRemote(sb.toString());
writeRemote(keypressToString(keypress));
}
+ /**
+ * Build one of the complex xterm keystroke sequences, storing the result in
+ * xterm_keystroke_buffer.
+ *
+ * @param ss3 the prefix to use based on VT100 state.
+ * @param first the first character, usually a number.
+ * @param first the last character, one of the following: ~ A B C D F H
+ * @param ctrl whether or not ctrl is down
+ * @param alt whether or not alt is down
+ * @param shift whether or not shift is down
+ * @return the buffer with the full key sequence
+ */
+ private String xtermBuildKeySequence(final String ss3, final char first,
+ final char last, boolean ctrl, boolean alt, boolean shift) {
+
+ StringBuilder sb = new StringBuilder(ss3);
+ if ((last == '~') || (ctrl == true) || (alt == true)
+ || (shift == true)
+ ) {
+ sb.append(first);
+ if ( (ctrl == false) && (alt == false) && (shift == true)) {
+ sb.append(";2");
+ } else if ((ctrl == false) && (alt == true) && (shift == false)) {
+ sb.append(";3");
+ } else if ((ctrl == false) && (alt == true) && (shift == true)) {
+ sb.append(";4");
+ } else if ((ctrl == true) && (alt == false) && (shift == false)) {
+ sb.append(";5");
+ } else if ((ctrl == true) && (alt == false) && (shift == true)) {
+ sb.append(";6");
+ } else if ((ctrl == true) && (alt == true) && (shift == false)) {
+ sb.append(";7");
+ } else if ((ctrl == true) && (alt == true) && (shift == true)) {
+ sb.append(";8");
+ }
+ }
+ sb.append(last);
+ return sb.toString();
+ }
+
/**
* Translate the keyboard press to a VT100, VT220, or XTERM sequence.
*
*/
private String keypressToString(final TKeypress keypress) {
- if ((fullDuplex == false) && (!keypress.getIsKey())) {
+ if ((fullDuplex == false) && (!keypress.isFnKey())) {
/*
* If this is a control character, process it like it came from
* the remote side.
*/
- if (keypress.getCh() < 0x20) {
- handleControlChar(keypress.getCh());
+ if (keypress.getChar() < 0x20) {
+ handleControlChar(keypress.getChar());
} else {
// Local echo for everything else
- printCharacter(keypress.getCh());
+ printCharacter(keypress.getChar());
}
}
}
// Handle control characters
- if ((keypress.getCtrl()) && (!keypress.getIsKey())) {
+ if ((keypress.isCtrl()) && (!keypress.isFnKey())) {
StringBuilder sb = new StringBuilder();
- char ch = keypress.getCh();
+ char ch = keypress.getChar();
ch -= 0x40;
sb.append(ch);
return sb.toString();
}
// Handle alt characters
- if ((keypress.getAlt()) && (!keypress.getIsKey())) {
+ if ((keypress.isAlt()) && (!keypress.isFnKey())) {
StringBuilder sb = new StringBuilder("\033");
- char ch = keypress.getCh();
+ char ch = keypress.getChar();
sb.append(ch);
return sb.toString();
}
}
}
- if (keypress.equals(kbLeft)) {
- switch (arrowKeyMode) {
- case ANSI:
- return "\033[D";
- case VT52:
- return "\033D";
- case VT100:
- return "\033OD";
+ if (keypress.equalsWithoutModifiers(kbLeft)) {
+ switch (type) {
+ case XTERM:
+ switch (arrowKeyMode) {
+ case ANSI:
+ return xtermBuildKeySequence("\033[", '1', 'D',
+ keypress.isCtrl(), keypress.isAlt(),
+ keypress.isShift());
+ case VT52:
+ return xtermBuildKeySequence("\033", '1', 'D',
+ keypress.isCtrl(), keypress.isAlt(),
+ keypress.isShift());
+ case VT100:
+ return xtermBuildKeySequence("\033O", '1', 'D',
+ keypress.isCtrl(), keypress.isAlt(),
+ keypress.isShift());
+ }
+ default:
+ switch (arrowKeyMode) {
+ case ANSI:
+ return "\033[D";
+ case VT52:
+ return "\033D";
+ case VT100:
+ return "\033OD";
+ }
}
}
- if (keypress.equals(kbRight)) {
- switch (arrowKeyMode) {
- case ANSI:
- return "\033[C";
- case VT52:
- return "\033C";
- case VT100:
- return "\033OC";
+ if (keypress.equalsWithoutModifiers(kbRight)) {
+ switch (type) {
+ case XTERM:
+ switch (arrowKeyMode) {
+ case ANSI:
+ return xtermBuildKeySequence("\033[", '1', 'C',
+ keypress.isCtrl(), keypress.isAlt(),
+ keypress.isShift());
+ case VT52:
+ return xtermBuildKeySequence("\033", '1', 'C',
+ keypress.isCtrl(), keypress.isAlt(),
+ keypress.isShift());
+ case VT100:
+ return xtermBuildKeySequence("\033O", '1', 'C',
+ keypress.isCtrl(), keypress.isAlt(),
+ keypress.isShift());
+ }
+ default:
+ switch (arrowKeyMode) {
+ case ANSI:
+ return "\033[C";
+ case VT52:
+ return "\033C";
+ case VT100:
+ return "\033OC";
+ }
}
}
- if (keypress.equals(kbUp)) {
- switch (arrowKeyMode) {
- case ANSI:
- return "\033[A";
- case VT52:
- return "\033A";
- case VT100:
- return "\033OA";
+ if (keypress.equalsWithoutModifiers(kbUp)) {
+ switch (type) {
+ case XTERM:
+ switch (arrowKeyMode) {
+ case ANSI:
+ return xtermBuildKeySequence("\033[", '1', 'A',
+ keypress.isCtrl(), keypress.isAlt(),
+ keypress.isShift());
+ case VT52:
+ return xtermBuildKeySequence("\033", '1', 'A',
+ keypress.isCtrl(), keypress.isAlt(),
+ keypress.isShift());
+ case VT100:
+ return xtermBuildKeySequence("\033O", '1', 'A',
+ keypress.isCtrl(), keypress.isAlt(),
+ keypress.isShift());
+ }
+ default:
+ switch (arrowKeyMode) {
+ case ANSI:
+ return "\033[A";
+ case VT52:
+ return "\033A";
+ case VT100:
+ return "\033OA";
+ }
}
}
- if (keypress.equals(kbDown)) {
- switch (arrowKeyMode) {
- case ANSI:
- return "\033[B";
- case VT52:
- return "\033B";
- case VT100:
- return "\033OB";
+ if (keypress.equalsWithoutModifiers(kbDown)) {
+ switch (type) {
+ case XTERM:
+ switch (arrowKeyMode) {
+ case ANSI:
+ return xtermBuildKeySequence("\033[", '1', 'B',
+ keypress.isCtrl(), keypress.isAlt(),
+ keypress.isShift());
+ case VT52:
+ return xtermBuildKeySequence("\033", '1', 'B',
+ keypress.isCtrl(), keypress.isAlt(),
+ keypress.isShift());
+ case VT100:
+ return xtermBuildKeySequence("\033O", '1', 'B',
+ keypress.isCtrl(), keypress.isAlt(),
+ keypress.isShift());
+ }
+ default:
+ switch (arrowKeyMode) {
+ case ANSI:
+ return "\033[B";
+ case VT52:
+ return "\033B";
+ case VT100:
+ return "\033OB";
+ }
}
}
- if (keypress.equals(kbHome)) {
- switch (arrowKeyMode) {
- case ANSI:
- return "\033[H";
- case VT52:
- return "\033H";
- case VT100:
- return "\033OH";
+ if (keypress.equalsWithoutModifiers(kbHome)) {
+ switch (type) {
+ case XTERM:
+ switch (arrowKeyMode) {
+ case ANSI:
+ return xtermBuildKeySequence("\033[", '1', 'H',
+ keypress.isCtrl(), keypress.isAlt(),
+ keypress.isShift());
+ case VT52:
+ return xtermBuildKeySequence("\033", '1', 'H',
+ keypress.isCtrl(), keypress.isAlt(),
+ keypress.isShift());
+ case VT100:
+ return xtermBuildKeySequence("\033O", '1', 'H',
+ keypress.isCtrl(), keypress.isAlt(),
+ keypress.isShift());
+ }
+ default:
+ switch (arrowKeyMode) {
+ case ANSI:
+ return "\033[H";
+ case VT52:
+ return "\033H";
+ case VT100:
+ return "\033OH";
+ }
}
}
- if (keypress.equals(kbEnd)) {
- switch (arrowKeyMode) {
- case ANSI:
- return "\033[F";
- case VT52:
- return "\033F";
- case VT100:
- return "\033OF";
+ if (keypress.equalsWithoutModifiers(kbEnd)) {
+ switch (type) {
+ case XTERM:
+ switch (arrowKeyMode) {
+ case ANSI:
+ return xtermBuildKeySequence("\033[", '1', 'F',
+ keypress.isCtrl(), keypress.isAlt(),
+ keypress.isShift());
+ case VT52:
+ return xtermBuildKeySequence("\033", '1', 'F',
+ keypress.isCtrl(), keypress.isAlt(),
+ keypress.isShift());
+ case VT100:
+ return xtermBuildKeySequence("\033O", '1', 'F',
+ keypress.isCtrl(), keypress.isAlt(),
+ keypress.isShift());
+ }
+ default:
+ switch (arrowKeyMode) {
+ case ANSI:
+ return "\033[F";
+ case VT52:
+ return "\033F";
+ case VT100:
+ return "\033OF";
+ }
}
}
if (vt52Mode) {
return "\0332P";
}
+ if (type == DeviceType.XTERM) {
+ return "\0331;2P";
+ }
return "\033O2P";
}
if (vt52Mode) {
return "\0332Q";
}
+ if (type == DeviceType.XTERM) {
+ return "\0331;2Q";
+ }
return "\033O2Q";
}
if (vt52Mode) {
return "\0332R";
}
+ if (type == DeviceType.XTERM) {
+ return "\0331;2R";
+ }
return "\033O2R";
}
if (vt52Mode) {
return "\0332S";
}
+ if (type == DeviceType.XTERM) {
+ return "\0331;2S";
+ }
return "\033O2S";
}
if (vt52Mode) {
return "\0335P";
}
+ if (type == DeviceType.XTERM) {
+ return "\0331;5P";
+ }
return "\033O5P";
}
if (vt52Mode) {
return "\0335Q";
}
+ if (type == DeviceType.XTERM) {
+ return "\0331;5Q";
+ }
return "\033O5Q";
}
if (vt52Mode) {
return "\0335R";
}
+ if (type == DeviceType.XTERM) {
+ return "\0331;5R";
+ }
return "\033O5R";
}
if (vt52Mode) {
return "\0335S";
}
+ if (type == DeviceType.XTERM) {
+ return "\0331;5S";
+ }
return "\033O5S";
}
return "\033[24;5~";
}
- if (keypress.equals(kbPgUp)) {
- // Page Up
- return "\033[5~";
- }
-
- if (keypress.equals(kbPgDn)) {
- // Page Down
- return "\033[6~";
- }
-
- if (keypress.equals(kbIns)) {
- // Ins
- return "\033[2~";
+ if (keypress.equalsWithoutModifiers(kbPgUp)) {
+ switch (type) {
+ case XTERM:
+ return xtermBuildKeySequence("\033[", '5', '~',
+ keypress.isCtrl(), keypress.isAlt(),
+ keypress.isShift());
+ default:
+ return "\033[5~";
+ }
}
- if (keypress.equals(kbShiftIns)) {
- // This is what xterm sends for SHIFT-INS
- return "\033[2;2~";
- // This is what xterm sends for CTRL-INS
- // return "\033[2;5~";
+ if (keypress.equalsWithoutModifiers(kbPgDn)) {
+ switch (type) {
+ case XTERM:
+ return xtermBuildKeySequence("\033[", '6', '~',
+ keypress.isCtrl(), keypress.isAlt(),
+ keypress.isShift());
+ default:
+ return "\033[6~";
+ }
}
- if (keypress.equals(kbShiftDel)) {
- // This is what xterm sends for SHIFT-DEL
- return "\033[3;2~";
- // This is what xterm sends for CTRL-DEL
- // return "\033[3;5~";
+ if (keypress.equalsWithoutModifiers(kbIns)) {
+ switch (type) {
+ case XTERM:
+ return xtermBuildKeySequence("\033[", '2', '~',
+ keypress.isCtrl(), keypress.isAlt(),
+ keypress.isShift());
+ default:
+ return "\033[2~";
+ }
}
- if (keypress.equals(kbDel)) {
- // Delete sends real delete for VTxxx
- return "\177";
- // return "\033[3~";
+ if (keypress.equalsWithoutModifiers(kbDel)) {
+ switch (type) {
+ case XTERM:
+ return xtermBuildKeySequence("\033[", '3', '~',
+ keypress.isCtrl(), keypress.isAlt(),
+ keypress.isShift());
+ default:
+ // Delete sends real delete for VTxxx
+ return "\177";
+ }
}
if (keypress.equals(kbEnter)) {
return "\011";
}
+ if ((keypress.equalsWithoutModifiers(kbBackTab)) ||
+ (keypress.equals(kbShiftTab))
+ ) {
+ switch (type) {
+ case XTERM:
+ return "\033[Z";
+ default:
+ return "\011";
+ }
+ }
+
// Non-alt, non-ctrl characters
- if (!keypress.getIsKey()) {
+ if (!keypress.isFnKey()) {
StringBuilder sb = new StringBuilder();
- sb.append(keypress.getCh());
+ sb.append(keypress.getChar());
return sb.toString();
}
return "";
}
/**
- * Set or unset a toggle. value is 'true' for set ('h'), false for reset
- * ('l').
+ * Set or unset a toggle.
+ *
+ * @param value true for set ('h'), false for reset ('l')
*/
private void setToggle(final boolean value) {
boolean decPrivateModeFlag = false;
}
break;
+ case 1006:
+ if ((type == DeviceType.XTERM)
+ && (decPrivateModeFlag == true)
+ ) {
+ // Mouse: SGR coordinates
+ if (value == true) {
+ mouseEncoding = MouseEncoding.SGR;
+ } else {
+ mouseEncoding = MouseEncoding.X10;
+ }
+ }
+ break;
+
default:
break;
currentState.attr.setForeColor(Color.WHITE);
break;
case 38:
- // Underscore on, default foreground color
- currentState.attr.setUnderline(true);
- currentState.attr.setForeColor(Color.WHITE);
+ if (type == DeviceType.XTERM) {
+ /*
+ * Xterm supports T.416 / ISO-8613-3 codes to select
+ * either an indexed color or an RGB value. (It also
+ * permits these ISO-8613-3 SGR sequences to be separated
+ * by colons rather than semicolons.)
+ *
+ * We will not support any of these additional color
+ * codes at this time:
+ *
+ * 1. http://invisible-island.net/ncurses/ncurses.faq.html#xterm_16MegaColors
+ * has a detailed discussion of the current state of
+ * RGB in various terminals, the point of which is
+ * that none of them really do the same thing despite
+ * all appearing to be "xterm".
+ *
+ * 2. As seen in
+ * https://bugs.kde.org/show_bug.cgi?id=107487#c3,
+ * even supporting just the "indexed mode" of these
+ * sequences (which could align easily with existing
+ * SGR colors) is assumed to mean full support of
+ * 24-bit RGB. So it is all or nothing.
+ *
+ * Finally, these sequences break the assumptions of
+ * standard ECMA-48 style parsers as pointed out at
+ * https://bugs.kde.org/show_bug.cgi?id=107487#c11 .
+ * Therefore in order to keep a clean display, we cannot
+ * parse anything else in this sequence.
+ */
+ return;
+ } else {
+ // Underscore on, default foreground color
+ currentState.attr.setUnderline(true);
+ currentState.attr.setForeColor(Color.WHITE);
+ }
break;
case 39:
// Underscore off, default foreground color
// Set white background
currentState.attr.setBackColor(Color.WHITE);
break;
+ case 48:
+ if (type == DeviceType.XTERM) {
+ /*
+ * Xterm supports T.416 / ISO-8613-3 codes to select
+ * either an indexed color or an RGB value. (It also
+ * permits these ISO-8613-3 SGR sequences to be separated
+ * by colons rather than semicolons.)
+ *
+ * We will not support this at this time. Also, in order
+ * to keep a clean display, we cannot parse anything else
+ * in this sequence.
+ */
+ return;
+ }
+ break;
case 49:
// Default background
currentState.attr.setBackColor(Color.BLACK);
* DECSTBM - Set top and bottom margins.
*/
private void decstbm() {
- int top = getCsiParam(0, 1, 1, height) - 1;
- int bottom = getCsiParam(1, height, 1, height) - 1;
+ boolean decPrivateModeFlag = false;
- if (top > bottom) {
- top = bottom;
+ for (int i = 0; i < collectBuffer.length(); i++) {
+ if (collectBuffer.charAt(i) == '?') {
+ decPrivateModeFlag = true;
+ break;
+ }
}
- scrollRegionTop = top;
- scrollRegionBottom = bottom;
+ if (decPrivateModeFlag) {
+ // This could be restore DEC private mode values.
+ // Ignore it.
+ } else {
+ // DECSTBM
+ int top = getCsiParam(0, 1, 1, height) - 1;
+ int bottom = getCsiParam(1, height, 1, height) - 1;
- // Home cursor
- cursorPosition(0, 0);
+ if (top > bottom) {
+ top = bottom;
+ }
+ scrollRegionTop = top;
+ scrollRegionBottom = bottom;
+
+ // Home cursor
+ cursorPosition(0, 0);
+ }
}
/**
*/
private void dsr() {
boolean decPrivateModeFlag = false;
+ int row = currentState.cursorY;
for (int i = 0; i < collectBuffer.length(); i++) {
if (collectBuffer.charAt(i) == '?') {
case 6:
// Request cursor position. Respond with current position.
+ if (currentState.originMode == true) {
+ row -= scrollRegionTop;
+ }
String str = "";
if (((type == DeviceType.VT220) || (type == DeviceType.XTERM))
&& (s8c1t == true)
) {
- str = String.format("\u009b%d;%dR",
- currentState.cursorY + 1, currentState.cursorX + 1);
+ str = String.format("\u009b%d;%dR", row + 1,
+ currentState.cursorX + 1);
} else {
- str = String.format("\033[%d;%dR",
- currentState.cursorY + 1, currentState.cursorX + 1);
+ str = String.format("\033[%d;%dR", row + 1,
+ currentState.cursorX + 1);
}
// Send string directly to remote side
for (int i = start; i <= end; i++) {
DisplayLine line = display.get(currentState.cursorY);
if ((!honorProtected)
- || ((honorProtected) && (!line.charAt(i).getProtect()))) {
+ || ((honorProtected) && (!line.charAt(i).isProtect()))) {
switch (type) {
case VT100:
*
* @param ch character from the remote side
*/
- public void consume(char ch) {
+ private void consume(char ch) {
// DEBUG
// System.err.printf("%c", ch);
collect(ch);
}
if (ch == 0x5C) {
- if ((collectBuffer.length() > 0) &&
- (collectBuffer.charAt(collectBuffer.length() - 1) == 0x1B)
+ if ((collectBuffer.length() > 0)
+ && (collectBuffer.charAt(collectBuffer.length() - 1) == 0x1B)
) {
toGround();
}
collect(ch);
}
if (ch == 0x5C) {
- if ((collectBuffer.length() > 0) &&
- (collectBuffer.charAt(collectBuffer.length() - 1) == 0x1B)
+ if ((collectBuffer.length() > 0)
+ && (collectBuffer.charAt(collectBuffer.length() - 1) == 0x1B)
) {
toGround();
}
/**
* Read function runs on a separate thread.
*/
- public void run() {
+ public final void run() {
boolean utf8 = false;
boolean done = false;
while (!done && !stopReaderThread) {
try {
int n = inputStream.available();
+
// System.err.printf("available() %d\n", n); System.err.flush();
if (utf8) {
if (readBufferUTF8.length < n) {
// The buffer wasn't big enough, make it huger
- int newSizeHalf = Math.max(readBufferUTF8.length, n);
+ int newSizeHalf = Math.max(readBufferUTF8.length,
+ n);
readBufferUTF8 = new char[newSizeHalf * 2];
}
readBuffer = new byte[newSizeHalf * 2];
}
}
+ if (n == 0) {
+ try {
+ Thread.sleep(2);
+ } catch (InterruptedException e) {
+ // SQUASH
+ }
+ continue;
+ }
int rc = -1;
- if (utf8) {
- rc = input.read(readBufferUTF8, 0,
- readBufferUTF8.length);
- } else {
- rc = inputStream.read(readBuffer, 0,
- readBuffer.length);
+ try {
+ if (utf8) {
+ rc = input.read(readBufferUTF8, 0,
+ readBufferUTF8.length);
+ } else {
+ rc = inputStream.read(readBuffer, 0,
+ readBuffer.length);
+ }
+ } catch (ReadTimeoutException e) {
+ rc = 0;
}
+
// System.err.printf("read() %d\n", rc); System.err.flush();
if (rc == -1) {
// This is EOF
} else {
ch = readBuffer[i];
}
- // Don't step on UI events
+
synchronized (this) {
+ // Don't step on UI events
consume((char)ch);
}
}
+ // Permit my enclosing UI to know that I updated.
+ if (listener != null) {
+ listener.displayChanged();
+ }
}
// System.err.println("end while loop"); System.err.flush();
} catch (IOException e) {
e.printStackTrace();
done = true;
}
+
} // while ((done == false) && (stopReaderThread == false))
// Let the rest of the world know that I am done.
stopReaderThread = true;
+ try {
+ inputStream.cancelRead();
+ inputStream.close();
+ inputStream = null;
+ } catch (IOException e) {
+ // SQUASH
+ }
+ try {
+ input.close();
+ input = null;
+ } catch (IOException e) {
+ // SQUASH
+ }
+
// System.err.println("*** run() exiting..."); System.err.flush();
}