-/**
+/*
* 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) 2019 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.awt.Graphics2D;
+import java.awt.image.BufferedImage;
+import java.io.BufferedOutputStream;
+import java.io.CharArrayWriter;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
+import java.io.PrintWriter;
import java.io.Reader;
import java.io.UnsupportedEncodingException;
import java.io.Writer;
import java.util.ArrayList;
import java.util.Collections;
-import java.util.LinkedList;
+import java.util.HashMap;
import java.util.List;
+import jexer.TKeypress;
+import jexer.event.TMouseEvent;
import jexer.bits.Color;
import jexer.bits.Cell;
import jexer.bits.CellAttributes;
-import jexer.TKeypress;
+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>
* caveats:
*
* <p>
+ * - The vttest scenario for VT220 8-bit controls (11.1.2.3) reports a
+ * failure with XTERM. This is due to vttest failing to decode the UTF-8
+ * stream.
+ *
+ * <p>
* - Smooth scrolling, printing, keyboard locking, keyboard leds, and tests
* from VT100 are not supported.
*
*/
public class ECMA48 implements Runnable {
+ // ------------------------------------------------------------------------
+ // Constants --------------------------------------------------------------
+ // ------------------------------------------------------------------------
+
/**
* The emulator can emulate several kinds of terminals.
*/
XTERM
}
- /**
- * Return the proper primary Device Attributes string.
- *
- * @return string to send to remote side that is appropriate for the
- * this.type
- */
- private String deviceTypeResponse() {
- switch (type) {
- case VT100:
- // "I am a VT100 with advanced video option" (often VT102)
- return "\033[?1;2c";
-
- case VT102:
- // "I am a VT102"
- return "\033[?6c";
-
- case VT220:
- // "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);
- }
- }
-
- /**
- * Return the proper TERM environment variable for this device type.
- *
- * @return "TERM=vt100", "TERM=xterm", etc.
- */
- public String deviceTypeTerm() {
- switch (type) {
- case VT100:
- return "TERM=vt100";
-
- case VT102:
- return "TERM=vt102";
-
- case VT220:
- return "TERM=vt220";
-
- case XTERM:
- return "TERM=xterm";
-
- default:
- throw new IllegalArgumentException("Invalid device type: " + type);
- }
- }
-
- /**
- * Return the proper LANG for this device type. Only XTERM devices know
- * about UTF-8, the others are defined by their standard to be either
- * 7-bit or 8-bit characters only.
- *
- * @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.
- */
- public String deviceTypeLang(final String baseLang) {
- switch (type) {
-
- case VT100:
- return "LANG=" + baseLang;
-
- case VT102:
- return "LANG=" + baseLang;
-
- case VT220:
- return "LANG=" + baseLang;
-
- case XTERM:
- return "LANG=" + baseLang + ".UTF-8";
-
- default:
- throw new IllegalArgumentException("Invalid device type: " + type);
- }
- }
-
- /**
- * Write a string directly to the remote side.
- *
- * @param str string to send
- */
- private void writeRemote(final String str) {
- if (stopReaderThread) {
- // Reader hit EOF, bail out now.
- close();
- return;
- }
-
- // System.err.printf("writeRemote() '%s'\n", str);
-
- switch (type) {
- case VT100:
- case VT102:
- case VT220:
- if (outputStream == null) {
- return;
- }
- try {
- for (int i = 0; i < str.length(); i++) {
- outputStream.write(str.charAt(i));
- }
- outputStream.flush();
- } catch (IOException e) {
- // Assume EOF
- close();
- }
- break;
- case XTERM:
- if (output == null) {
- return;
- }
- try {
- output.write(str);
- output.flush();
- } catch (IOException e) {
- // Assume EOF
- close();
- }
- break;
- default:
- throw new IllegalArgumentException("Invalid device type: " + type);
- }
- }
-
- /**
- * Close the input and output streams and stop the reader thread. Note
- * that it is safe to call this multiple times.
- */
- public final void close() {
-
- // Synchronize so we don't stomp on the reader thread.
- synchronized (this) {
-
- // Tell the reader thread to stop looking at input. It will
- // close the input stream as it exits.
- if (stopReaderThread == false) {
- stopReaderThread = true;
- try {
- readerThread.join();
- } catch (InterruptedException e) {
- e.printStackTrace();
- }
- }
-
- // 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 (output != null) {
- try {
- output.close();
- } catch (IOException e) {
- // SQUASH
- }
- output = null;
- }
- break;
- default:
- throw new IllegalArgumentException("Invalid device type: "
- + type);
- }
- } // synchronized (this)
- }
-
- /**
- * When true, the reader thread is expected to exit.
- */
- private boolean stopReaderThread = false;
-
- /**
- * The reader thread.
- */
- private Thread readerThread = null;
-
- /**
- * See if the reader thread is still running.
- *
- * @return if true, we are still connected to / reading from the remote
- * side
- */
- public final boolean isReading() {
- return (!stopReaderThread);
- }
-
- /**
- * The type of emulator to be.
- */
- private DeviceType type = DeviceType.VT102;
-
- /**
- * Obtain a new blank display line for an external user
- * (e.g. TTerminalWindow).
- *
- * @return new blank line
- */
- public final DisplayLine getBlankDisplayLine() {
- return new DisplayLine(currentState.attr);
- }
-
- /**
- * The scrollback buffer characters + attributes.
- */
- private List<DisplayLine> scrollback;
-
- /**
- * Get the scrollback buffer.
- *
- * @return the scrollback buffer
- */
- public final List<DisplayLine> getScrollbackBuffer() {
- return scrollback;
- }
-
- /**
- * The raw display buffer characters + attributes.
- */
- private List<DisplayLine> display;
-
- /**
- * Get the display buffer.
- *
- * @return the display buffer
- */
- public final List<DisplayLine> getDisplayBuffer() {
- return display;
- }
-
- /**
- * The terminal's input. For type == XTERM, this is an InputStreamReader
- * with UTF-8 encoding.
- */
- private Reader input;
-
- /**
- * The terminal's raw InputStream. This is used for type != XTERM.
- */
- private volatile InputStream inputStream;
-
- /**
- * The terminal's output. For type == XTERM, this wraps an
- * OutputStreamWriter with UTF-8 encoding.
- */
- private Writer output;
-
- /**
- * The terminal's raw OutputStream. This is used for type != XTERM.
- */
- private OutputStream outputStream;
-
/**
* Parser character scan states.
*/
- enum ScanState {
+ private enum ScanState {
GROUND,
ESCAPE,
ESCAPE_INTERMEDIATE,
DCS_PARAM,
DCS_PASSTHROUGH,
DCS_IGNORE,
+ DCS_SIXEL,
SOSPMAPC_STRING,
OSC_STRING,
VT52_DIRECT_CURSOR_ADDRESS
}
- /**
- * Current scanning state.
- */
- private ScanState scanState;
-
/**
* The selected number pad mode (DECKPAM, DECKPNM). We record this, but
* can't really use it in keypress() because we do not see number pad
}
/**
- * Physical display width. We start at 80x24, but the user can resize us
- * bigger/smaller.
+ * XTERM mouse reporting protocols.
*/
- private int width;
+ private enum MouseProtocol {
+ OFF,
+ X10,
+ NORMAL,
+ BUTTONEVENT,
+ ANYEVENT
+ }
/**
- * Get the display width.
- *
- * @return the width (usually 80 or 132)
+ * XTERM mouse reporting encodings.
*/
- public final int getWidth() {
- return width;
+ private enum MouseEncoding {
+ X10,
+ UTF8,
+ SGR
}
+ // ------------------------------------------------------------------------
+ // Variables --------------------------------------------------------------
+ // ------------------------------------------------------------------------
+
/**
- * Physical display height. We start at 80x24, but the user can resize
- * us bigger/smaller.
+ * The enclosing listening object.
*/
- private int height;
+ private DisplayListener displayListener;
/**
- * Get the display height.
- *
- * @return the height (usually 24)
+ * When true, the reader thread is expected to exit.
*/
- public final int getHeight() {
- return height;
- }
+ private volatile boolean stopReaderThread = false;
+
+ /**
+ * The reader thread.
+ */
+ private Thread readerThread = null;
+
+ /**
+ * The type of emulator to be.
+ */
+ private DeviceType type = DeviceType.VT102;
+
+ /**
+ * The scrollback buffer characters + attributes.
+ */
+ private volatile ArrayList<DisplayLine> scrollback;
+
+ /**
+ * The raw display buffer characters + attributes.
+ */
+ private volatile ArrayList<DisplayLine> display;
+
+ /**
+ * The maximum number of lines in the scrollback buffer.
+ */
+ private int maxScrollback = 10000;
+
+ /**
+ * The terminal's input. For type == XTERM, this is an InputStreamReader
+ * with UTF-8 encoding.
+ */
+ private Reader input;
+
+ /**
+ * The terminal's raw InputStream. This is used for type != XTERM.
+ */
+ private volatile TimeoutInputStream inputStream;
+
+ /**
+ * The terminal's output. For type == XTERM, this wraps an
+ * OutputStreamWriter with UTF-8 encoding.
+ */
+ private Writer output;
+
+ /**
+ * The terminal's raw OutputStream. This is used for type != XTERM.
+ */
+ private OutputStream outputStream;
+
+ /**
+ * Current scanning state.
+ */
+ private ScanState scanState;
+
+ /**
+ * Which mouse protocol is active.
+ */
+ private MouseProtocol mouseProtocol = MouseProtocol.OFF;
+
+ /**
+ * Which mouse encoding is active.
+ */
+ private MouseEncoding mouseEncoding = MouseEncoding.X10;
+
+ /**
+ * A terminal may request that the mouse pointer be hidden using a
+ * Privacy Message containing either "hideMousePointer" or
+ * "showMousePointer". This is currently only used within Jexer by
+ * TTerminalWindow so that only the bottom-most instance of nested
+ * Jexer's draws the mouse within its application window.
+ */
+ private boolean hideMousePointer = false;
+
+ /**
+ * Physical display width. We start at 80x24, but the user can resize us
+ * bigger/smaller.
+ */
+ private int width;
+
+ /**
+ * Physical display height. We start at 80x24, but the user can resize
+ * us bigger/smaller.
+ */
+ private int height;
/**
* Top margin of the scrolling region.
*/
private boolean cursorVisible = true;
- /**
- * Get visible cursor flag.
- *
- * @return if true, the cursor is visible
- */
- public final boolean visibleCursor() {
- return cursorVisible;
- }
-
/**
* Screen title as set by the xterm OSC sequence. Lots of applications
* send a screenTitle regardless of whether it is an xterm client or not.
*/
private String screenTitle = "";
- /**
- * Get the screen title as set by the xterm OSC sequence. Lots of
- * applications send a screenTitle regardless of whether it is an xterm
- * client or not.
- *
- * @return screen title
- */
- public final String getScreenTitle() {
- return screenTitle;
- }
-
- /**
- * Array of flags that have come in, e.g. '?' (DEC private mode), '=',
- * '>' (<), ...
- */
- private List<Character> csiFlags;
-
/**
* Parameter characters being collected.
*/
/**
* Non-csi collect buffer.
*/
- private List<Character> collectBuffer;
+ private StringBuilder collectBuffer;
/**
* When true, use the G1 character set.
* Whether number pad keys send VT100 or VT52, application or numeric
* sequences.
*/
+ @SuppressWarnings("unused")
private KeypadMode keypadMode;
/**
*/
private boolean fullDuplex = true;
+ /**
+ * The current terminal state.
+ */
+ private SaveableState currentState;
+
+ /**
+ * The last saved terminal state.
+ */
+ private SaveableState savedState;
+
+ /**
+ * The 88- or 256-color support RGB colors.
+ */
+ private List<Integer> colors88;
+
+ /**
+ * Sixel collection buffer.
+ */
+ private StringBuilder sixelParseBuffer;
+
+ /**
+ * The width of a character cell in pixels.
+ */
+ private int textWidth = 16;
+
+ /**
+ * The height of a character cell in pixels.
+ */
+ private int textHeight = 20;
+
/**
* DECSC/DECRC save/restore a subset of the total state. This class
* encapsulates those specific flags/modes.
}
}
- /**
- * The current terminal state.
- */
- private SaveableState currentState;
-
- /**
- * The last saved terminal state.
- */
- private SaveableState savedState;
-
- /**
- * Clear the CSI parameters and flags.
- */
- private void toGround() {
- csiParams.clear();
- csiFlags.clear();
- collectBuffer.clear();
- scanState = ScanState.GROUND;
- }
-
- /**
- * Reset the tab stops list.
- */
- private void resetTabStops() {
- tabStops.clear();
- for (int i = 0; (i * 8) <= rightMargin; i++) {
- tabStops.add(new Integer(i * 8));
- }
- }
-
- /**
- * Reset the emulation state.
- */
- private void reset() {
-
- currentState = new SaveableState();
- savedState = new SaveableState();
- scanState = ScanState.GROUND;
- width = 80;
- height = 24;
- scrollRegionTop = 0;
- scrollRegionBottom = height - 1;
- rightMargin = width - 1;
- newLineMode = false;
- arrowKeyMode = ArrowKeyMode.ANSI;
- keypadMode = KeypadMode.Numeric;
- wrapLineFlag = false;
-
- // Flags
- shiftOut = false;
- vt52Mode = false;
- insertMode = false;
- columns132 = false;
- newLineMode = false;
- reverseVideo = false;
- fullDuplex = true;
- cursorVisible = true;
-
- // VT220
- singleshift = Singleshift.NONE;
- s8c1t = false;
- printerControllerMode = false;
-
- // Tab stops
- resetTabStops();
-
- // Clear CSI stuff
- toGround();
- }
+ // ------------------------------------------------------------------------
+ // Constructors -----------------------------------------------------------
+ // ------------------------------------------------------------------------
/**
* Public constructor.
* @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
* encoding.
+ * @param displayListener a callback to the outer display, or null for
+ * default VT100 behavior
* @throws UnsupportedEncodingException if an exception is thrown when
* creating the InputStreamReader
*/
public ECMA48(final DeviceType type, final InputStream inputStream,
- final OutputStream outputStream) throws UnsupportedEncodingException {
+ final OutputStream outputStream, final DisplayListener displayListener)
+ throws UnsupportedEncodingException {
assert (inputStream != null);
assert (outputStream != null);
- csiFlags = new ArrayList<Character>();
csiParams = new ArrayList<Integer>();
- collectBuffer = new ArrayList<Character>();
tabStops = new ArrayList<Integer>();
- scrollback = new LinkedList<DisplayLine>();
- display = new LinkedList<DisplayLine>();
+ scrollback = new ArrayList<DisplayLine>();
+ display = new ArrayList<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);
+ }
+ this.displayListener = displayListener;
+
+ reset();
+ for (int i = 0; i < height; i++) {
+ display.add(new DisplayLine(currentState.attr));
+ }
+
+ // Spin up the input reader
+ readerThread = new Thread(this);
+ readerThread.start();
+ }
+
+ // ------------------------------------------------------------------------
+ // Runnable ---------------------------------------------------------------
+ // ------------------------------------------------------------------------
+
+ /**
+ * Read function runs on a separate thread.
+ */
+ public final void run() {
+ boolean utf8 = false;
+ boolean done = false;
+
+ if (type == DeviceType.XTERM) {
+ utf8 = true;
+ }
+
+ // available() will often return > 1, so we need to read in chunks to
+ // stay caught up.
+ char [] readBufferUTF8 = null;
+ byte [] readBuffer = null;
+ if (utf8) {
+ readBufferUTF8 = new char[128];
+ } else {
+ readBuffer = new byte[128];
}
- reset();
- for (int i = 0; i < height; i++) {
- display.add(new DisplayLine(currentState.attr));
- }
+ 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);
+
+ readBufferUTF8 = new char[newSizeHalf * 2];
+ }
+ } else {
+ if (readBuffer.length < n) {
+ // The buffer wasn't big enough, make it huger
+ int newSizeHalf = Math.max(readBuffer.length, n);
+ readBuffer = new byte[newSizeHalf * 2];
+ }
+ }
+ if (n == 0) {
+ try {
+ Thread.sleep(2);
+ } catch (InterruptedException e) {
+ // SQUASH
+ }
+ continue;
+ }
+
+ int rc = -1;
+ 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
+ done = true;
+ } else {
+ // Don't step on UI events
+ synchronized (this) {
+ for (int i = 0; i < rc; i++) {
+ int ch = 0;
+ if (utf8) {
+ ch = readBufferUTF8[i];
+ } else {
+ ch = readBuffer[i];
+ }
+
+ consume((char) ch);
+ }
+ }
+ // Permit my enclosing UI to know that I updated.
+ if (displayListener != null) {
+ displayListener.displayChanged();
+ }
+ }
+ // System.err.println("end while loop"); System.err.flush();
+ } catch (IOException e) {
+ done = true;
+
+ // This is an unusual case. We want to see the stack trace,
+ // but it is related to the spawned process rather than the
+ // actual UI. We will generate the stack trace, and consume
+ // it as though it was emitted by the shell.
+ CharArrayWriter writer= new CharArrayWriter();
+ // Send a ST and RIS to clear the emulator state.
+ try {
+ writer.write("\033\\\033c");
+ writer.write("\n-----------------------------------\n");
+ e.printStackTrace(new PrintWriter(writer));
+ writer.write("\n-----------------------------------\n");
+ } catch (IOException e2) {
+ // SQUASH
+ }
+ char [] stackTrace = writer.toCharArray();
+ for (int i = 0; i < stackTrace.length; i++) {
+ if (stackTrace[i] == '\n') {
+ consume('\r');
+ }
+ consume(stackTrace[i]);
+ }
+ }
+
+ } // 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
+ }
+
+ // Permit my enclosing UI to know that I updated.
+ if (displayListener != null) {
+ displayListener.displayChanged();
+ }
+
+ // System.err.println("*** run() exiting..."); System.err.flush();
+ }
+
+ // ------------------------------------------------------------------------
+ // ECMA48 -----------------------------------------------------------------
+ // ------------------------------------------------------------------------
+
+ /**
+ * Return the proper primary Device Attributes string.
+ *
+ * @return string to send to remote side that is appropriate for the
+ * this.type
+ */
+ private String deviceTypeResponse() {
+ switch (type) {
+ case VT100:
+ // "I am a VT100 with advanced video option" (often VT102)
+ return "\033[?1;2c";
+
+ case VT102:
+ // "I am a VT102"
+ 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";
+ default:
+ throw new IllegalArgumentException("Invalid device type: " + type);
+ }
+ }
+
+ /**
+ * Return the proper TERM environment variable for this device type.
+ *
+ * @param deviceType DeviceType.VT100, DeviceType, XTERM, etc.
+ * @return "vt100", "xterm", etc.
+ */
+ public static String deviceTypeTerm(final DeviceType deviceType) {
+ switch (deviceType) {
+ case VT100:
+ return "vt100";
+
+ case VT102:
+ return "vt102";
+
+ case VT220:
+ return "vt220";
+
+ case XTERM:
+ return "xterm";
+
+ default:
+ throw new IllegalArgumentException("Invalid device type: "
+ + deviceType);
+ }
+ }
+
+ /**
+ * Return the proper LANG for this device type. Only XTERM devices know
+ * about UTF-8, the others are defined by their standard to be either
+ * 7-bit or 8-bit characters only.
+ *
+ * @param deviceType DeviceType.VT100, DeviceType, XTERM, etc.
+ * @param baseLang a base language without UTF-8 flag such as "C" or
+ * "en_US"
+ * @return "en_US", "en_US.UTF-8", etc.
+ */
+ public static String deviceTypeLang(final DeviceType deviceType,
+ final String baseLang) {
+
+ switch (deviceType) {
+
+ case VT100:
+ case VT102:
+ case VT220:
+ return baseLang;
+
+ case XTERM:
+ return baseLang + ".UTF-8";
+
+ default:
+ throw new IllegalArgumentException("Invalid device type: "
+ + deviceType);
+ }
+ }
+
+ /**
+ * Write a string directly to the remote side.
+ *
+ * @param str string to send
+ */
+ public void writeRemote(final String str) {
+ if (stopReaderThread) {
+ // Reader hit EOF, bail out now.
+ close();
+ return;
+ }
+
+ // System.err.printf("writeRemote() '%s'\n", str);
+
+ switch (type) {
+ case VT100:
+ case VT102:
+ case VT220:
+ if (outputStream == null) {
+ return;
+ }
+ try {
+ outputStream.flush();
+ for (int i = 0; i < str.length(); i++) {
+ outputStream.write(str.charAt(i));
+ }
+ outputStream.flush();
+ } catch (IOException e) {
+ // Assume EOF
+ close();
+ }
+ break;
+ case XTERM:
+ if (output == null) {
+ return;
+ }
+ try {
+ output.flush();
+ output.write(str);
+ output.flush();
+ } catch (IOException e) {
+ // Assume EOF
+ close();
+ }
+ break;
+ default:
+ throw new IllegalArgumentException("Invalid device type: " + type);
+ }
+ }
+
+ /**
+ * Close the input and output streams and stop the reader thread. Note
+ * that it is safe to call this multiple times.
+ */
+ public final void close() {
+
+ // 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) {
+ // SQUASH
+ }
+ }
+
+ // Now 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
+ }
+ outputStream = null;
+ }
+ if (output != null) {
+ try {
+ output.close();
+ } catch (IOException e) {
+ // SQUASH
+ }
+ output = null;
+ }
+ break;
+ default:
+ throw new IllegalArgumentException("Invalid device type: " +
+ type);
+ }
+ }
+
+ /**
+ * See if the reader thread is still running.
+ *
+ * @return if true, we are still connected to / reading from the remote
+ * side
+ */
+ public final boolean isReading() {
+ return (!stopReaderThread);
+ }
+
+ /**
+ * Obtain a new blank display line for an external user
+ * (e.g. TTerminalWindow).
+ *
+ * @return new blank line
+ */
+ public final DisplayLine getBlankDisplayLine() {
+ return new DisplayLine(currentState.attr);
+ }
+
+ /**
+ * Get the scrollback buffer.
+ *
+ * @return the scrollback buffer
+ */
+ public final List<DisplayLine> getScrollbackBuffer() {
+ return scrollback;
+ }
+
+ /**
+ * Get the display buffer.
+ *
+ * @return the display buffer
+ */
+ public final List<DisplayLine> getDisplayBuffer() {
+ return display;
+ }
+
+ /**
+ * Get the display width.
+ *
+ * @return the width (usually 80 or 132)
+ */
+ public final int getWidth() {
+ 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;
+ }
+ }
+
+ /**
+ * Get the display height.
+ *
+ * @return the height (usually 24)
+ */
+ public final int getHeight() {
+ return height;
+ }
+
+ /**
+ * Set the display height.
+ *
+ * @param height the new height
+ */
+ public final void setHeight(final int height) {
+ int delta = height - this.height;
+ this.height = height;
+ scrollRegionBottom += delta;
+ if (scrollRegionBottom < 0) {
+ scrollRegionBottom = height;
+ }
+ 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));
+ }
+ }
+
+ /**
+ * Get visible cursor flag.
+ *
+ * @return if true, the cursor is visible
+ */
+ public final boolean isCursorVisible() {
+ return cursorVisible;
+ }
+
+ /**
+ * Get the screen title as set by the xterm OSC sequence. Lots of
+ * applications send a screenTitle regardless of whether it is an xterm
+ * client or not.
+ *
+ * @return screen title
+ */
+ public final String getScreenTitle() {
+ return screenTitle;
+ }
+
+ /**
+ * Get 132 columns value.
+ *
+ * @return if true, the terminal is in 132 column mode
+ */
+ public final boolean isColumns132() {
+ return columns132;
+ }
+
+ /**
+ * Clear the CSI parameters and flags.
+ */
+ private void toGround() {
+ csiParams.clear();
+ collectBuffer = new StringBuilder(8);
+ scanState = ScanState.GROUND;
+ }
+
+ /**
+ * Reset the tab stops list.
+ */
+ private void resetTabStops() {
+ tabStops.clear();
+ for (int i = 0; (i * 8) <= rightMargin; i++) {
+ tabStops.add(Integer.valueOf(i * 8));
+ }
+ }
+
+ /**
+ * Reset the 88- or 256-colors.
+ */
+ private void resetColors() {
+ colors88 = new ArrayList<Integer>(256);
+ for (int i = 0; i < 256; i++) {
+ colors88.add(0);
+ }
+
+ // Set default system colors.
+ colors88.set(0, 0x00000000);
+ colors88.set(1, 0x00a80000);
+ colors88.set(2, 0x0000a800);
+ colors88.set(3, 0x00a85400);
+ colors88.set(4, 0x000000a8);
+ colors88.set(5, 0x00a800a8);
+ colors88.set(6, 0x0000a8a8);
+ colors88.set(7, 0x00a8a8a8);
+
+ colors88.set(8, 0x00545454);
+ colors88.set(9, 0x00fc5454);
+ colors88.set(10, 0x0054fc54);
+ colors88.set(11, 0x00fcfc54);
+ colors88.set(12, 0x005454fc);
+ colors88.set(13, 0x00fc54fc);
+ colors88.set(14, 0x0054fcfc);
+ colors88.set(15, 0x00fcfcfc);
+ }
+
+ /**
+ * Get the RGB value of one of the indexed colors.
+ *
+ * @param index the color index
+ * @return the RGB value
+ */
+ private int get88Color(final int index) {
+ // System.err.print("get88Color: " + index);
+ if ((index < 0) || (index > colors88.size())) {
+ // System.err.println(" -- UNKNOWN");
+ return 0;
+ }
+ // System.err.printf(" %08x\n", colors88.get(index));
+ return colors88.get(index);
+ }
+
+ /**
+ * Set one of the indexed colors to a color specification.
+ *
+ * @param index the color index
+ * @param spec the specification, typically something like "rgb:aa/bb/cc"
+ */
+ private void set88Color(final int index, final String spec) {
+ // System.err.println("set88Color: " + index + " '" + spec + "'");
+
+ if ((index < 0) || (index > colors88.size())) {
+ return;
+ }
+ if (spec.startsWith("rgb:")) {
+ String [] rgbTokens = spec.substring(4).split("/");
+ if (rgbTokens.length == 3) {
+ try {
+ int rgb = (Integer.parseInt(rgbTokens[0], 16) << 16);
+ rgb |= Integer.parseInt(rgbTokens[1], 16) << 8;
+ rgb |= Integer.parseInt(rgbTokens[2], 16);
+ // System.err.printf(" set to %08x\n", rgb);
+ colors88.set(index, rgb);
+ } catch (NumberFormatException e) {
+ // SQUASH
+ }
+ }
+ return;
+ }
+
+ if (spec.toLowerCase().equals("black")) {
+ colors88.set(index, 0x00000000);
+ } else if (spec.toLowerCase().equals("red")) {
+ colors88.set(index, 0x00a80000);
+ } else if (spec.toLowerCase().equals("green")) {
+ colors88.set(index, 0x0000a800);
+ } else if (spec.toLowerCase().equals("yellow")) {
+ colors88.set(index, 0x00a85400);
+ } else if (spec.toLowerCase().equals("blue")) {
+ colors88.set(index, 0x000000a8);
+ } else if (spec.toLowerCase().equals("magenta")) {
+ colors88.set(index, 0x00a800a8);
+ } else if (spec.toLowerCase().equals("cyan")) {
+ colors88.set(index, 0x0000a8a8);
+ } else if (spec.toLowerCase().equals("white")) {
+ colors88.set(index, 0x00a8a8a8);
+ }
+
+ }
+
+ /**
+ * Reset the emulation state.
+ */
+ private void reset() {
+
+ currentState = new SaveableState();
+ savedState = new SaveableState();
+ scanState = ScanState.GROUND;
+ width = 80;
+ height = 24;
+ scrollRegionTop = 0;
+ scrollRegionBottom = height - 1;
+ rightMargin = width - 1;
+ newLineMode = false;
+ arrowKeyMode = ArrowKeyMode.ANSI;
+ keypadMode = KeypadMode.Numeric;
+ wrapLineFlag = false;
+ if (displayListener != null) {
+ width = displayListener.getDisplayWidth();
+ height = displayListener.getDisplayHeight();
+ rightMargin = width - 1;
+ }
+
+ // Flags
+ shiftOut = false;
+ vt52Mode = false;
+ insertMode = false;
+ columns132 = false;
+ newLineMode = false;
+ reverseVideo = false;
+ fullDuplex = true;
+ cursorVisible = true;
+
+ // VT220
+ singleshift = Singleshift.NONE;
+ s8c1t = false;
+ printerControllerMode = false;
+
+ // XTERM
+ mouseProtocol = MouseProtocol.OFF;
+ mouseEncoding = MouseEncoding.X10;
+
+ // Tab stops
+ resetTabStops();
+
+ // Reset extra colors
+ resetColors();
- // Spin up the input reader
- readerThread = new Thread(this);
- readerThread.start();
+ // Clear CSI stuff
+ toGround();
}
/**
private void newDisplayLine() {
// Scroll the top line off into the scrollback buffer
scrollback.add(display.get(0));
+ if (scrollback.size() > maxScrollback) {
+ scrollback.remove(0);
+ scrollback.trimToSize();
+ }
display.remove(0);
+ display.trimToSize();
DisplayLine line = new DisplayLine(currentState.attr);
line.setReverseColor(reverseVideo);
display.add(line);
* Handle a linefeed.
*/
private void linefeed() {
- int i;
if (currentState.cursorY < scrollRegionBottom) {
// Increment screen y
}
}
+ /**
+ * Translate the mouse event to a VT100, VT220, or XTERM sequence and
+ * send to the remote side.
+ *
+ * @param mouse mouse event received from the local user
+ */
+ public void mouse(final TMouseEvent mouse) {
+
+ /*
+ System.err.printf("mouse(): protocol %s encoding %s mouse %s\n",
+ mouseProtocol, mouseEncoding, mouse);
+ */
+
+ 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) {
+
+ case OFF:
+ // Do nothing
+ return;
+
+ case X10:
+ // Only report button presses
+ if (mouse.getType() != TMouseEvent.Type.MOUSE_DOWN) {
+ return;
+ }
+ break;
+
+ case NORMAL:
+ // Only report button presses and releases
+ if ((mouse.getType() != TMouseEvent.Type.MOUSE_DOWN)
+ && (mouse.getType() != TMouseEvent.Type.MOUSE_UP)
+ ) {
+ return;
+ }
+ break;
+
+ case BUTTONEVENT:
+ /*
+ * Only report button presses, button releases, and motions that
+ * have a button down (i.e. drag-and-drop).
+ */
+ if (mouse.getType() == TMouseEvent.Type.MOUSE_MOTION) {
+ if (!mouse.isMouse1()
+ && !mouse.isMouse2()
+ && !mouse.isMouse3()
+ && !mouse.isMouseWheelUp()
+ && !mouse.isMouseWheelDown()
+ ) {
+ return;
+ }
+ }
+ break;
+
+ case ANYEVENT:
+ // Report everything
+ break;
+ }
+
+ // Now encode the event
+ StringBuilder sb = new StringBuilder(6);
+ 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 {
+ // 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));
+ }
+
+ // System.err.printf("Would write: \'%s\'\n", sb.toString());
+ writeRemote(sb.toString());
+ }
+
/**
* Translate the keyboard press to a VT100, VT220, or XTERM sequence and
* send to the remote side.
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.
*
* @param keypress keypress received from the local user
* @return string to transmit to the remote side
*/
+ @SuppressWarnings("fallthrough")
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(kbBackspace)) {
+ if (keypress.equals(kbBackspaceDel)) {
switch (type) {
case VT100:
return "\010";
}
}
- 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 "";
switch (currentState.glLockshift) {
case G1_GR:
- assert (false);
+ throw new IllegalArgumentException("programming bug");
case G2_GR:
- assert (false);
+ throw new IllegalArgumentException("programming bug");
case G3_GR:
- assert (false);
+ throw new IllegalArgumentException("programming bug");
case G2_GL:
// LS2
switch (currentState.grLockshift) {
case G2_GL:
- assert (false);
+ throw new IllegalArgumentException("programming bug");
case G3_GL:
- assert (false);
+ throw new IllegalArgumentException("programming bug");
case G1_GR:
// LS1R
display.size());
List<DisplayLine> displayMiddle = display.subList(regionBottom + 1
- remaining, regionBottom + 1);
- display = new LinkedList<DisplayLine>(displayTop);
+ display = new ArrayList<DisplayLine>(displayTop);
display.addAll(displayMiddle);
for (int i = 0; i < n; i++) {
DisplayLine line = new DisplayLine(currentState.attr);
display.size());
List<DisplayLine> displayMiddle = display.subList(regionTop,
regionTop + remaining);
- display = new LinkedList<DisplayLine>(displayTop);
+ display = new ArrayList<DisplayLine>(displayTop);
for (int i = 0; i < n; i++) {
DisplayLine line = new DisplayLine(currentState.attr);
line.setReverseColor(reverseVideo);
* @param ch character to save
*/
private void collect(final char ch) {
- collectBuffer.add(new Character(ch));
+ collectBuffer.append(ch);
}
/**
*/
private void param(final byte ch) {
if (csiParams.size() == 0) {
- csiParams.add(new Integer(0));
+ csiParams.add(Integer.valueOf(0));
}
Integer x = csiParams.get(csiParams.size() - 1);
if ((ch >= '0') && (ch <= '9')) {
csiParams.set(csiParams.size() - 1, x);
}
- if (ch == ';') {
- csiParams.add(new Integer(0));
+ if ((ch == ';') && (csiParams.size() < 16)) {
+ csiParams.add(Integer.valueOf(0));
}
}
}
/**
- * 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;
- for (Character ch: collectBuffer) {
- if (ch == '?') {
+ for (int i = 0; i < collectBuffer.length(); i++) {
+ if (collectBuffer.charAt(i) == '?') {
decPrivateModeFlag = true;
+ break;
}
}
} else {
// 80 columns
columns132 = false;
- rightMargin = 79;
+ if ((displayListener != null)
+ && (type == DeviceType.XTERM)
+ ) {
+ // For xterms, reset to the actual width, not 80
+ // columns.
+ width = displayListener.getDisplayWidth();
+ rightMargin = width - 1;
+ } else {
+ rightMargin = 79;
+ width = rightMargin + 1;
+ }
}
- width = rightMargin + 1;
// Entire screen is cleared, and scrolling region is
// reset
eraseScreen(0, 0, height - 1, width - 1, false);
break;
+ case 1000:
+ if ((type == DeviceType.XTERM)
+ && (decPrivateModeFlag == true)
+ ) {
+ // Mouse: normal tracking mode
+ if (value == true) {
+ mouseProtocol = MouseProtocol.NORMAL;
+ } else {
+ mouseProtocol = MouseProtocol.OFF;
+ }
+ }
+ break;
+
+ case 1002:
+ if ((type == DeviceType.XTERM)
+ && (decPrivateModeFlag == true)
+ ) {
+ // Mouse: normal tracking mode
+ if (value == true) {
+ mouseProtocol = MouseProtocol.BUTTONEVENT;
+ } else {
+ mouseProtocol = MouseProtocol.OFF;
+ }
+ }
+ break;
+
+ case 1003:
+ if ((type == DeviceType.XTERM)
+ && (decPrivateModeFlag == true)
+ ) {
+ // Mouse: Any-event tracking mode
+ if (value == true) {
+ mouseProtocol = MouseProtocol.ANYEVENT;
+ } else {
+ mouseProtocol = MouseProtocol.OFF;
+ }
+ }
+ break;
+
+ case 1005:
+ if ((type == DeviceType.XTERM)
+ && (decPrivateModeFlag == true)
+ ) {
+ // Mouse: UTF-8 coordinates
+ if (value == true) {
+ mouseEncoding = MouseEncoding.UTF8;
+ } else {
+ mouseEncoding = MouseEncoding.X10;
+ }
+ }
+ 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;
boolean honorProtected = false;
boolean decPrivateModeFlag = false;
- for (Character ch: collectBuffer) {
- if (ch == '?') {
+ for (int i = 0; i < collectBuffer.length(); i++) {
+ if (collectBuffer.charAt(i) == '?') {
decPrivateModeFlag = true;
+ break;
}
}
boolean honorProtected = false;
boolean decPrivateModeFlag = false;
- for (Character ch: collectBuffer) {
- if (ch == '?') {
+ for (int i = 0; i < collectBuffer.length(); i++) {
+ if (collectBuffer.charAt(i) == '?') {
decPrivateModeFlag = true;
+ break;
}
}
}
}
- /**
- * CHT - Advance X tab stops.
- */
- private void cht() {
- int n = getCsiParam(0, 1);
- for (int i = 0; i < n; i++) {
- advanceToNextTabStop();
- }
- }
+ /**
+ * CHT - Advance X tab stops.
+ */
+ private void cht() {
+ int n = getCsiParam(0, 1);
+ for (int i = 0; i < n; i++) {
+ advanceToNextTabStop();
+ }
+ }
+
+ /**
+ * SGR - Select graphics rendition.
+ */
+ private void sgr() {
+
+ if (csiParams.size() == 0) {
+ currentState.attr.reset();
+ return;
+ }
+
+ int sgrColorMode = -1;
+ boolean idx88Color = false;
+ boolean rgbColor = false;
+ int rgbRed = -1;
+ int rgbGreen = -1;
+
+ for (Integer i: csiParams) {
+
+ if ((sgrColorMode == 38) || (sgrColorMode == 48)) {
+
+ assert (type == DeviceType.XTERM);
+
+ if (idx88Color) {
+ /*
+ * Indexed color mode, we now have the index number.
+ */
+ if (sgrColorMode == 38) {
+ currentState.attr.setForeColorRGB(get88Color(i));
+ } else {
+ assert (sgrColorMode == 48);
+ currentState.attr.setBackColorRGB(get88Color(i));
+ }
+ sgrColorMode = -1;
+ idx88Color = false;
+ continue;
+ }
+
+ if (rgbColor) {
+ /*
+ * RGB color mode, we are collecting tokens.
+ */
+ if (rgbRed == -1) {
+ rgbRed = i & 0xFF;
+ } else if (rgbGreen == -1) {
+ rgbGreen = i & 0xFF;
+ } else {
+ int rgb = rgbRed << 16;
+ rgb |= rgbGreen << 8;
+ rgb |= i & 0xFF;
+
+ // System.err.printf("RGB: %08x\n", rgb);
+
+ if (sgrColorMode == 38) {
+ currentState.attr.setForeColorRGB(rgb);
+ } else {
+ assert (sgrColorMode == 48);
+ currentState.attr.setBackColorRGB(rgb);
+ }
+ rgbRed = -1;
+ rgbGreen = -1;
+ sgrColorMode = -1;
+ rgbColor = false;
+ }
+ continue;
+ }
+
+ switch (i) {
- /**
- * SGR - Select graphics rendition.
- */
- private void sgr() {
+ case 2:
+ /*
+ * RGB color mode.
+ */
+ rgbColor = true;
+ break;
- if (csiParams.size() == 0) {
- currentState.attr.reset();
- return;
- }
+ case 5:
+ /*
+ * Indexed color mode.
+ */
+ idx88Color = true;
+ break;
- for (Integer i: csiParams) {
+ default:
+ /*
+ * This is neither indexed nor RGB color. Bail out.
+ */
+ return;
+ }
+
+ } // if ((sgrColorMode == 38) || (sgrColorMode == 48))
switch (i) {
// TODO
break;
+ case 90:
+ // Set black foreground
+ currentState.attr.setForeColorRGB(get88Color(8));
+ break;
+ case 91:
+ // Set red foreground
+ currentState.attr.setForeColorRGB(get88Color(9));
+ break;
+ case 92:
+ // Set green foreground
+ currentState.attr.setForeColorRGB(get88Color(10));
+ break;
+ case 93:
+ // Set yellow foreground
+ currentState.attr.setForeColorRGB(get88Color(11));
+ break;
+ case 94:
+ // Set blue foreground
+ currentState.attr.setForeColorRGB(get88Color(12));
+ break;
+ case 95:
+ // Set magenta foreground
+ currentState.attr.setForeColorRGB(get88Color(13));
+ break;
+ case 96:
+ // Set cyan foreground
+ currentState.attr.setForeColorRGB(get88Color(14));
+ break;
+ case 97:
+ // Set white foreground
+ currentState.attr.setForeColorRGB(get88Color(15));
+ break;
+
+ case 100:
+ // Set black background
+ currentState.attr.setBackColorRGB(get88Color(8));
+ break;
+ case 101:
+ // Set red background
+ currentState.attr.setBackColorRGB(get88Color(9));
+ break;
+ case 102:
+ // Set green background
+ currentState.attr.setBackColorRGB(get88Color(10));
+ break;
+ case 103:
+ // Set yellow background
+ currentState.attr.setBackColorRGB(get88Color(11));
+ break;
+ case 104:
+ // Set blue background
+ currentState.attr.setBackColorRGB(get88Color(12));
+ break;
+ case 105:
+ // Set magenta background
+ currentState.attr.setBackColorRGB(get88Color(13));
+ break;
+ case 106:
+ // Set cyan background
+ currentState.attr.setBackColorRGB(get88Color(14));
+ break;
+ case 107:
+ // Set white background
+ currentState.attr.setBackColorRGB(get88Color(15));
+ break;
+
default:
break;
}
case 30:
// Set black foreground
currentState.attr.setForeColor(Color.BLACK);
+ currentState.attr.setForeColorRGB(-1);
break;
case 31:
// Set red foreground
currentState.attr.setForeColor(Color.RED);
+ currentState.attr.setForeColorRGB(-1);
break;
case 32:
// Set green foreground
currentState.attr.setForeColor(Color.GREEN);
+ currentState.attr.setForeColorRGB(-1);
break;
case 33:
// Set yellow foreground
currentState.attr.setForeColor(Color.YELLOW);
+ currentState.attr.setForeColorRGB(-1);
break;
case 34:
// Set blue foreground
currentState.attr.setForeColor(Color.BLUE);
+ currentState.attr.setForeColorRGB(-1);
break;
case 35:
// Set magenta foreground
currentState.attr.setForeColor(Color.MAGENTA);
+ currentState.attr.setForeColorRGB(-1);
break;
case 36:
// Set cyan foreground
currentState.attr.setForeColor(Color.CYAN);
+ currentState.attr.setForeColorRGB(-1);
break;
case 37:
// Set white foreground
currentState.attr.setForeColor(Color.WHITE);
+ currentState.attr.setForeColorRGB(-1);
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 support only the following:
+ *
+ * 1. Indexed color mode (88- or 256-color modes).
+ *
+ * 2. Direct RGB.
+ *
+ * These cover most of the use cases in the real world.
+ *
+ * HOWEVER, note that this is an awful broken "standard",
+ * with no way to do it "right". See
+ * http://invisible-island.net/ncurses/ncurses.faq.html#xterm_16MegaColors
+ * for 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".
+ *
+ * Also see
+ * https://bugs.kde.org/show_bug.cgi?id=107487#c3 .
+ * where it is assumed that 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.
+ */
+ sgrColorMode = 38;
+ continue;
+ } else {
+ // Underscore on, default foreground color
+ currentState.attr.setUnderline(true);
+ currentState.attr.setForeColor(Color.WHITE);
+ }
break;
case 39:
// Underscore off, default foreground color
currentState.attr.setUnderline(false);
currentState.attr.setForeColor(Color.WHITE);
+ currentState.attr.setForeColorRGB(-1);
break;
case 40:
// Set black background
currentState.attr.setBackColor(Color.BLACK);
+ currentState.attr.setBackColorRGB(-1);
break;
case 41:
// Set red background
currentState.attr.setBackColor(Color.RED);
+ currentState.attr.setBackColorRGB(-1);
break;
case 42:
// Set green background
currentState.attr.setBackColor(Color.GREEN);
+ currentState.attr.setBackColorRGB(-1);
break;
case 43:
// Set yellow background
currentState.attr.setBackColor(Color.YELLOW);
+ currentState.attr.setBackColorRGB(-1);
break;
case 44:
// Set blue background
currentState.attr.setBackColor(Color.BLUE);
+ currentState.attr.setBackColorRGB(-1);
break;
case 45:
// Set magenta background
currentState.attr.setBackColor(Color.MAGENTA);
+ currentState.attr.setBackColorRGB(-1);
break;
case 46:
// Set cyan background
currentState.attr.setBackColor(Color.CYAN);
+ currentState.attr.setBackColorRGB(-1);
break;
case 47:
// Set white background
currentState.attr.setBackColor(Color.WHITE);
+ currentState.attr.setBackColorRGB(-1);
+ 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 support only the following:
+ *
+ * 1. Indexed color mode (88- or 256-color modes).
+ *
+ * 2. Direct RGB.
+ *
+ * These cover most of the use cases in the real world.
+ *
+ * HOWEVER, note that this is an awful broken "standard",
+ * with no way to do it "right". See
+ * http://invisible-island.net/ncurses/ncurses.faq.html#xterm_16MegaColors
+ * for 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".
+ *
+ * Also see
+ * https://bugs.kde.org/show_bug.cgi?id=107487#c3 .
+ * where it is assumed that 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.
+ */
+ sgrColorMode = 48;
+ continue;
+ }
break;
case 49:
// Default background
currentState.attr.setBackColor(Color.BLACK);
+ currentState.attr.setBackColorRGB(-1);
break;
default:
private void da() {
int extendedFlag = 0;
int i = 0;
- Character [] chars = collectBuffer.toArray(new Character[0]);
- StringBuilder args = new StringBuilder();
- for (int j = 1; j < chars.length; j++) {
- args.append(chars[j]);
- }
-
- if (chars.length > 0) {
- if (chars[0] == '>') {
+ if (collectBuffer.length() > 0) {
+ String args = collectBuffer.substring(1);
+ if (collectBuffer.charAt(0) == '>') {
extendedFlag = 1;
- if (chars.length >= 2) {
- i = Integer.parseInt(args.toString());
+ if (collectBuffer.length() >= 2) {
+ i = Integer.parseInt(args);
}
- } else if (chars[0] == '=') {
+ } else if (collectBuffer.charAt(0) == '=') {
extendedFlag = 2;
- if (chars.length >= 2) {
- i = Integer.parseInt(args.toString());
+ if (collectBuffer.length() >= 2) {
+ i = Integer.parseInt(args);
}
} else {
// Unknown code, bail out
* 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 (Character ch: collectBuffer) {
- if (ch == '?') {
+ for (int i = 0; i < collectBuffer.length(); i++) {
+ if (collectBuffer.charAt(i) == '?') {
decPrivateModeFlag = true;
+ break;
}
}
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:
*/
private void printerFunctions() {
boolean decPrivateModeFlag = false;
- for (Character ch: collectBuffer) {
- if (ch == '?') {
+ for (int i = 0; i < collectBuffer.length(); i++) {
+ if (collectBuffer.charAt(i) == '?') {
decPrivateModeFlag = true;
+ break;
}
}
* @param xtermChar the character received from the remote side
*/
private void oscPut(final char xtermChar) {
+ // System.err.println("oscPut: " + xtermChar);
+
// Collect first
- collectBuffer.add(new Character(xtermChar));
+ collectBuffer.append(xtermChar);
// Xterm cases...
- if (xtermChar == 0x07) {
- Character [] chars = collectBuffer.toArray(new Character[0]);
- StringBuilder args = new StringBuilder();
- for (int j = 0; j < chars.length - 1; j++) {
- args.append(chars[j]);
+ if ((xtermChar == 0x07)
+ || (collectBuffer.toString().endsWith("\033\\"))
+ ) {
+ String args = null;
+ if (xtermChar == 0x07) {
+ args = collectBuffer.substring(0, collectBuffer.length() - 1);
+ } else {
+ args = collectBuffer.substring(0, collectBuffer.length() - 2);
}
- String [] p = args.toString().split(";");
+
+ String [] p = args.split(";");
if (p.length > 0) {
if ((p[0].equals("0")) || (p[0].equals("2"))) {
if (p.length > 1) {
screenTitle = p[1];
}
}
+
+ if (p[0].equals("4")) {
+ for (int i = 1; i + 1 < p.length; i += 2) {
+ // Set a color index value
+ try {
+ set88Color(Integer.parseInt(p[i]), p[i + 1]);
+ } catch (NumberFormatException e) {
+ // SQUASH
+ }
+ }
+ }
+ }
+
+ // Go to SCAN_GROUND state
+ toGround();
+ return;
+ }
+ }
+
+ /**
+ * Handle the SCAN_SOSPMAPC_STRING state. This is currently only used by
+ * Jexer ECMA48Terminal to talk to ECMA48.
+ *
+ * @param pmChar the character received from the remote side
+ */
+ private void pmPut(final char pmChar) {
+ // System.err.println("pmPut: " + pmChar);
+
+ // Collect first
+ collectBuffer.append(pmChar);
+
+ // Xterm cases...
+ if (collectBuffer.toString().endsWith("\033\\")) {
+ String arg = null;
+ arg = collectBuffer.substring(0, collectBuffer.length() - 2);
+
+ // System.err.println("arg: '" + arg + "'");
+
+ if (arg.equals("hideMousePointer")) {
+ hideMousePointer = true;
+ }
+ if (arg.equals("showMousePointer")) {
+ hideMousePointer = false;
}
// Go to SCAN_GROUND state
*
* @param ch character from the remote side
*/
- public void consume(char ch) {
+ private void consume(char ch) {
// DEBUG
- // System.err.printf("%c", ch);
+ // System.err.printf("%c STATE = %s\n", ch, scanState);
// Special case for VT10x: 7-bit characters only
if ((type == DeviceType.VT100) || (type == DeviceType.VT102)) {
// 80-8F, 91-97, 99, 9A, 9C --> execute, then switch to SCAN_GROUND
// 0x1B == ESCAPE
- if ((ch == 0x1B)
- && (scanState != ScanState.DCS_ENTRY)
- && (scanState != ScanState.DCS_INTERMEDIATE)
- && (scanState != ScanState.DCS_IGNORE)
- && (scanState != ScanState.DCS_PARAM)
- && (scanState != ScanState.DCS_PASSTHROUGH)
- ) {
-
- scanState = ScanState.ESCAPE;
- return;
+ if (ch == 0x1B) {
+ if ((type == DeviceType.XTERM)
+ && ((scanState == ScanState.OSC_STRING)
+ || (scanState == ScanState.DCS_SIXEL)
+ || (scanState == ScanState.SOSPMAPC_STRING))
+ ) {
+ // Xterm can pass ESCAPE to its OSC sequence.
+ // Xterm can pass ESCAPE to its DCS sequence.
+ // Jexer can pass ESCAPE to its PM sequence.
+ } else if ((scanState != ScanState.DCS_ENTRY)
+ && (scanState != ScanState.DCS_INTERMEDIATE)
+ && (scanState != ScanState.DCS_IGNORE)
+ && (scanState != ScanState.DCS_PARAM)
+ && (scanState != ScanState.DCS_PASSTHROUGH)
+ ) {
+ scanState = ScanState.ESCAPE;
+ return;
+ }
}
// 0x9B == CSI 8-bit sequence
if ((ch >= 0x30) && (ch <= 0x7E)) {
switch (ch) {
case '0':
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '(')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '(')) {
// G0 --> Special graphics
currentState.g0Charset = CharacterSet.DRAWING;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == ')')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == ')')) {
// G1 --> Special graphics
currentState.g1Charset = CharacterSet.DRAWING;
}
if ((type == DeviceType.VT220)
|| (type == DeviceType.XTERM)) {
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '*')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '*')) {
// G2 --> Special graphics
currentState.g2Charset = CharacterSet.DRAWING;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '+')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '+')) {
// G3 --> Special graphics
currentState.g3Charset = CharacterSet.DRAWING;
}
}
break;
case '1':
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '(')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '(')) {
// G0 --> Alternate character ROM standard character set
currentState.g0Charset = CharacterSet.ROM;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == ')')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == ')')) {
// G1 --> Alternate character ROM standard character set
currentState.g1Charset = CharacterSet.ROM;
}
break;
case '2':
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '(')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '(')) {
// G0 --> Alternate character ROM special graphics
currentState.g0Charset = CharacterSet.ROM_SPECIAL;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == ')')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == ')')) {
// G1 --> Alternate character ROM special graphics
currentState.g1Charset = CharacterSet.ROM_SPECIAL;
}
break;
case '3':
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '#')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '#')) {
// DECDHL - Double-height line (top half)
dechdl(true);
}
break;
case '4':
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '#')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '#')) {
// DECDHL - Double-height line (bottom half)
dechdl(false);
}
if ((type == DeviceType.VT220)
|| (type == DeviceType.XTERM)) {
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '(')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '(')) {
// G0 --> DUTCH
currentState.g0Charset = CharacterSet.NRC_DUTCH;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == ')')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == ')')) {
// G1 --> DUTCH
currentState.g1Charset = CharacterSet.NRC_DUTCH;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '*')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '*')) {
// G2 --> DUTCH
currentState.g2Charset = CharacterSet.NRC_DUTCH;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '+')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '+')) {
// G3 --> DUTCH
currentState.g3Charset = CharacterSet.NRC_DUTCH;
}
}
break;
case '5':
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '#')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '#')) {
// DECSWL - Single-width line
decswl();
}
if ((type == DeviceType.VT220)
|| (type == DeviceType.XTERM)) {
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '(')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '(')) {
// G0 --> FINNISH
currentState.g0Charset = CharacterSet.NRC_FINNISH;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == ')')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == ')')) {
// G1 --> FINNISH
currentState.g1Charset = CharacterSet.NRC_FINNISH;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '*')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '*')) {
// G2 --> FINNISH
currentState.g2Charset = CharacterSet.NRC_FINNISH;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '+')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '+')) {
// G3 --> FINNISH
currentState.g3Charset = CharacterSet.NRC_FINNISH;
}
}
break;
case '6':
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '#')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '#')) {
// DECDWL - Double-width line
decdwl();
}
if ((type == DeviceType.VT220)
|| (type == DeviceType.XTERM)) {
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '(')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '(')) {
// G0 --> NORWEGIAN
currentState.g0Charset = CharacterSet.NRC_NORWEGIAN;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == ')')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == ')')) {
// G1 --> NORWEGIAN
currentState.g1Charset = CharacterSet.NRC_NORWEGIAN;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '*')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '*')) {
// G2 --> NORWEGIAN
currentState.g2Charset = CharacterSet.NRC_NORWEGIAN;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '+')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '+')) {
// G3 --> NORWEGIAN
currentState.g3Charset = CharacterSet.NRC_NORWEGIAN;
}
if ((type == DeviceType.VT220)
|| (type == DeviceType.XTERM)) {
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '(')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '(')) {
// G0 --> SWEDISH
currentState.g0Charset = CharacterSet.NRC_SWEDISH;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == ')')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == ')')) {
// G1 --> SWEDISH
currentState.g1Charset = CharacterSet.NRC_SWEDISH;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '*')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '*')) {
// G2 --> SWEDISH
currentState.g2Charset = CharacterSet.NRC_SWEDISH;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '+')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '+')) {
// G3 --> SWEDISH
currentState.g3Charset = CharacterSet.NRC_SWEDISH;
}
}
break;
case '8':
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '#')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '#')) {
// DECALN - Screen alignment display
decaln();
}
if ((type == DeviceType.VT220)
|| (type == DeviceType.XTERM)) {
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '(')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '(')) {
// G0 --> DEC_SUPPLEMENTAL
currentState.g0Charset = CharacterSet.DEC_SUPPLEMENTAL;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == ')')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == ')')) {
// G1 --> DEC_SUPPLEMENTAL
currentState.g1Charset = CharacterSet.DEC_SUPPLEMENTAL;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '*')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '*')) {
// G2 --> DEC_SUPPLEMENTAL
currentState.g2Charset = CharacterSet.DEC_SUPPLEMENTAL;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '+')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '+')) {
// G3 --> DEC_SUPPLEMENTAL
currentState.g3Charset = CharacterSet.DEC_SUPPLEMENTAL;
}
if ((type == DeviceType.VT220)
|| (type == DeviceType.XTERM)) {
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '(')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '(')) {
// G0 --> SWISS
currentState.g0Charset = CharacterSet.NRC_SWISS;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == ')')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == ')')) {
// G1 --> SWISS
currentState.g1Charset = CharacterSet.NRC_SWISS;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '*')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '*')) {
// G2 --> SWISS
currentState.g2Charset = CharacterSet.NRC_SWISS;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '+')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '+')) {
// G3 --> SWISS
currentState.g3Charset = CharacterSet.NRC_SWISS;
}
case '@':
break;
case 'A':
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '(')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '(')) {
// G0 --> United Kingdom set
currentState.g0Charset = CharacterSet.UK;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == ')')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == ')')) {
// G1 --> United Kingdom set
currentState.g1Charset = CharacterSet.UK;
}
if ((type == DeviceType.VT220)
|| (type == DeviceType.XTERM)) {
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '*')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '*')) {
// G2 --> United Kingdom set
currentState.g2Charset = CharacterSet.UK;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '+')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '+')) {
// G3 --> United Kingdom set
currentState.g3Charset = CharacterSet.UK;
}
}
break;
case 'B':
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '(')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '(')) {
// G0 --> ASCII set
currentState.g0Charset = CharacterSet.US;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == ')')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == ')')) {
// G1 --> ASCII set
currentState.g1Charset = CharacterSet.US;
}
if ((type == DeviceType.VT220)
|| (type == DeviceType.XTERM)) {
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '*')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '*')) {
// G2 --> ASCII
currentState.g2Charset = CharacterSet.US;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '+')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '+')) {
// G3 --> ASCII
currentState.g3Charset = CharacterSet.US;
}
if ((type == DeviceType.VT220)
|| (type == DeviceType.XTERM)) {
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '(')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '(')) {
// G0 --> FINNISH
currentState.g0Charset = CharacterSet.NRC_FINNISH;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == ')')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == ')')) {
// G1 --> FINNISH
currentState.g1Charset = CharacterSet.NRC_FINNISH;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '*')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '*')) {
// G2 --> FINNISH
currentState.g2Charset = CharacterSet.NRC_FINNISH;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '+')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '+')) {
// G3 --> FINNISH
currentState.g3Charset = CharacterSet.NRC_FINNISH;
}
if ((type == DeviceType.VT220)
|| (type == DeviceType.XTERM)) {
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '(')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '(')) {
// G0 --> NORWEGIAN
currentState.g0Charset = CharacterSet.NRC_NORWEGIAN;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == ')')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == ')')) {
// G1 --> NORWEGIAN
currentState.g1Charset = CharacterSet.NRC_NORWEGIAN;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '*')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '*')) {
// G2 --> NORWEGIAN
currentState.g2Charset = CharacterSet.NRC_NORWEGIAN;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '+')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '+')) {
// G3 --> NORWEGIAN
currentState.g3Charset = CharacterSet.NRC_NORWEGIAN;
}
if ((type == DeviceType.VT220)
|| (type == DeviceType.XTERM)) {
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == ' ')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == ' ')) {
// S7C1T
s8c1t = false;
}
if ((type == DeviceType.VT220)
|| (type == DeviceType.XTERM)) {
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == ' ')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == ' ')) {
// S8C1T
s8c1t = true;
}
if ((type == DeviceType.VT220)
|| (type == DeviceType.XTERM)) {
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '(')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '(')) {
// G0 --> SWEDISH
currentState.g0Charset = CharacterSet.NRC_SWEDISH;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == ')')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == ')')) {
// G1 --> SWEDISH
currentState.g1Charset = CharacterSet.NRC_SWEDISH;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '*')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '*')) {
// G2 --> SWEDISH
currentState.g2Charset = CharacterSet.NRC_SWEDISH;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '+')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '+')) {
// G3 --> SWEDISH
currentState.g3Charset = CharacterSet.NRC_SWEDISH;
}
if ((type == DeviceType.VT220)
|| (type == DeviceType.XTERM)) {
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '(')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '(')) {
// G0 --> GERMAN
currentState.g0Charset = CharacterSet.NRC_GERMAN;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == ')')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == ')')) {
// G1 --> GERMAN
currentState.g1Charset = CharacterSet.NRC_GERMAN;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '*')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '*')) {
// G2 --> GERMAN
currentState.g2Charset = CharacterSet.NRC_GERMAN;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '+')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '+')) {
// G3 --> GERMAN
currentState.g3Charset = CharacterSet.NRC_GERMAN;
}
if ((type == DeviceType.VT220)
|| (type == DeviceType.XTERM)) {
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '(')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '(')) {
// G0 --> FRENCH_CA
currentState.g0Charset = CharacterSet.NRC_FRENCH_CA;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == ')')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == ')')) {
// G1 --> FRENCH_CA
currentState.g1Charset = CharacterSet.NRC_FRENCH_CA;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '*')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '*')) {
// G2 --> FRENCH_CA
currentState.g2Charset = CharacterSet.NRC_FRENCH_CA;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '+')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '+')) {
// G3 --> FRENCH_CA
currentState.g3Charset = CharacterSet.NRC_FRENCH_CA;
}
if ((type == DeviceType.VT220)
|| (type == DeviceType.XTERM)) {
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '(')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '(')) {
// G0 --> FRENCH
currentState.g0Charset = CharacterSet.NRC_FRENCH;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == ')')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == ')')) {
// G1 --> FRENCH
currentState.g1Charset = CharacterSet.NRC_FRENCH;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '*')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '*')) {
// G2 --> FRENCH
currentState.g2Charset = CharacterSet.NRC_FRENCH;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '+')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '+')) {
// G3 --> FRENCH
currentState.g3Charset = CharacterSet.NRC_FRENCH;
}
if ((type == DeviceType.VT220)
|| (type == DeviceType.XTERM)) {
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '(')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '(')) {
// G0 --> ITALIAN
currentState.g0Charset = CharacterSet.NRC_ITALIAN;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == ')')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == ')')) {
// G1 --> ITALIAN
currentState.g1Charset = CharacterSet.NRC_ITALIAN;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '*')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '*')) {
// G2 --> ITALIAN
currentState.g2Charset = CharacterSet.NRC_ITALIAN;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '+')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '+')) {
// G3 --> ITALIAN
currentState.g3Charset = CharacterSet.NRC_ITALIAN;
}
if ((type == DeviceType.VT220)
|| (type == DeviceType.XTERM)) {
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '(')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '(')) {
// G0 --> SPANISH
currentState.g0Charset = CharacterSet.NRC_SPANISH;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == ')')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == ')')) {
// G1 --> SPANISH
currentState.g1Charset = CharacterSet.NRC_SPANISH;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '*')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '*')) {
// G2 --> SPANISH
currentState.g2Charset = CharacterSet.NRC_SPANISH;
}
- if ((collectBuffer.size() == 1)
- && (collectBuffer.get(0) == '+')) {
+ if ((collectBuffer.length() == 1)
+ && (collectBuffer.charAt(0) == '+')) {
// G3 --> SPANISH
currentState.g3Charset = CharacterSet.NRC_SPANISH;
}
case 'p':
if (((type == DeviceType.VT220)
|| (type == DeviceType.XTERM))
- && (collectBuffer.get(collectBuffer.size() - 1) == '\"')
+ && (collectBuffer.charAt(collectBuffer.length() - 1) == '\"')
) {
// DECSCL - compatibility level
decscl();
}
if ((type == DeviceType.XTERM)
- && (collectBuffer.get(collectBuffer.size() - 1) == '!')
+ && (collectBuffer.charAt(collectBuffer.length() - 1) == '!')
) {
// DECSTR - Soft terminal reset
decstr();
case 'q':
if (((type == DeviceType.VT220)
|| (type == DeviceType.XTERM))
- && (collectBuffer.get(collectBuffer.size() - 1) == '\"')
+ && (collectBuffer.charAt(collectBuffer.length() - 1) == '\"')
) {
// DECSCA
decsca();
collect(ch);
}
if (ch == 0x5C) {
- if ((collectBuffer.size() > 0)
- && (collectBuffer.get(collectBuffer.size() - 1) == 0x1B)) {
+ if ((collectBuffer.length() > 0)
+ && (collectBuffer.charAt(collectBuffer.length() - 1) == 0x1B)
+ ) {
toGround();
}
}
scanState = ScanState.DCS_IGNORE;
}
- // 0x40-7E goes to DCS_PASSTHROUGH
- if ((ch >= 0x40) && (ch <= 0x7E)) {
+ // 0x71 goes to DCS_SIXEL
+ if (ch == 0x71) {
+ sixelParseBuffer = new StringBuilder();
+ scanState = ScanState.DCS_SIXEL;
+ } else if ((ch >= 0x40) && (ch <= 0x7E)) {
+ // 0x40-7E goes to DCS_PASSTHROUGH
scanState = ScanState.DCS_PASSTHROUGH;
}
return;
collect(ch);
}
if (ch == 0x5C) {
- if ((collectBuffer.size() > 0) &&
- (collectBuffer.get(collectBuffer.size() - 1) == 0x1B)) {
+ if ((collectBuffer.length() > 0)
+ && (collectBuffer.charAt(collectBuffer.length() - 1) == 0x1B)
+ ) {
toGround();
}
}
collect(ch);
}
if (ch == 0x5C) {
- if ((collectBuffer.size() > 0) &&
- (collectBuffer.get(collectBuffer.size() - 1) == 0x1B)) {
+ if ((collectBuffer.length() > 0)
+ && (collectBuffer.charAt(collectBuffer.length() - 1) == 0x1B)
+ ) {
toGround();
}
}
scanState = ScanState.DCS_IGNORE;
}
- // 0x40-7E goes to DCS_PASSTHROUGH
- if ((ch >= 0x40) && (ch <= 0x7E)) {
+ // 0x71 goes to DCS_SIXEL
+ if (ch == 0x71) {
+ sixelParseBuffer = new StringBuilder();
+ scanState = ScanState.DCS_SIXEL;
+ } else if ((ch >= 0x40) && (ch <= 0x7E)) {
+ // 0x40-7E goes to DCS_PASSTHROUGH
scanState = ScanState.DCS_PASSTHROUGH;
}
return;
collect(ch);
}
if (ch == 0x5C) {
- if ((collectBuffer.size() > 0)
- && (collectBuffer.get(collectBuffer.size() - 1) == 0x1B)
+ if ((collectBuffer.length() > 0)
+ && (collectBuffer.charAt(collectBuffer.length() - 1) == 0x1B)
) {
toGround();
}
return;
+ case DCS_SIXEL:
+ // 0x9C goes to GROUND
+ if (ch == 0x9C) {
+ parseSixel();
+ toGround();
+ }
+
+ // 0x1B 0x5C goes to GROUND
+ if (ch == 0x1B) {
+ collect(ch);
+ }
+ if (ch == 0x5C) {
+ if ((collectBuffer.length() > 0)
+ && (collectBuffer.charAt(collectBuffer.length() - 1) == 0x1B)
+ ) {
+ parseSixel();
+ toGround();
+ }
+ }
+
+ // 00-17, 19, 1C-1F, 20-7E --> put
+ if (ch <= 0x17) {
+ sixelParseBuffer.append(ch);
+ return;
+ }
+ if (ch == 0x19) {
+ sixelParseBuffer.append(ch);
+ return;
+ }
+ if ((ch >= 0x1C) && (ch <= 0x1F)) {
+ sixelParseBuffer.append(ch);
+ return;
+ }
+ if ((ch >= 0x20) && (ch <= 0x7E)) {
+ sixelParseBuffer.append(ch);
+ return;
+ }
+
+ // 7F --> ignore
+
+ return;
+
case SOSPMAPC_STRING:
// 00-17, 19, 1C-1F, 20-7F --> ignore
+ // Special case for Jexer: PM can pass one control character
+ if (ch == 0x1B) {
+ pmPut(ch);
+ }
+
+ if ((ch >= 0x20) && (ch <= 0x7F)) {
+ pmPut(ch);
+ }
+
// 0x9C goes to GROUND
if (ch == 0x9C) {
toGround();
case OSC_STRING:
// Special case for Xterm: OSC can pass control characters
- if ((ch == 0x9C) || (ch <= 0x07)) {
+ if ((ch == 0x9C) || (ch == 0x07) || (ch == 0x1B)) {
oscPut(ch);
}
case VT52_DIRECT_CURSOR_ADDRESS:
// This is a special case for the VT52 sequence "ESC Y l c"
- if (collectBuffer.size() == 0) {
+ if (collectBuffer.length() == 0) {
collect(ch);
- } else if (collectBuffer.size() == 1) {
+ } else if (collectBuffer.length() == 1) {
// We've got the two characters, one in the buffer and the
// other in ch.
- cursorPosition(collectBuffer.get(0) - '\040', ch - '\040');
+ cursorPosition(collectBuffer.charAt(0) - '\040', ch - '\040');
toGround();
}
return;
* @return current cursor X
*/
public final int getCursorX() {
+ if (display.get(currentState.cursorY).isDoubleWidth()) {
+ return currentState.cursorX * 2;
+ }
return currentState.cursorX;
}
}
/**
- * Read function runs on a separate thread.
+ * Returns true if this terminal has requested the mouse pointer be
+ * hidden.
+ *
+ * @return true if this terminal has requested the mouse pointer be
+ * hidden
*/
- public void run() {
- boolean utf8 = false;
- boolean done = false;
+ public final boolean hasHiddenMousePointer() {
+ return hideMousePointer;
+ }
- if (type == DeviceType.XTERM) {
- utf8 = true;
+ // ------------------------------------------------------------------------
+ // Sixel support ----------------------------------------------------------
+ // ------------------------------------------------------------------------
+
+ /**
+ * Set the width of a character cell in pixels.
+ *
+ * @param textWidth the width in pixels of a character cell
+ */
+ public void setTextWidth(final int textWidth) {
+ this.textWidth = textWidth;
+ }
+
+ /**
+ * Set the height of a character cell in pixels.
+ *
+ * @param textHeight the height in pixels of a character cell
+ */
+ public void setTextHeight(final int textHeight) {
+ this.textHeight = textHeight;
+ }
+
+ /**
+ * Parse a sixel string into a bitmap image, and overlay that image onto
+ * the text cells.
+ */
+ private void parseSixel() {
+ System.err.println("parseSixel(): '" + sixelParseBuffer.toString() +
+ "'");
+
+ Sixel sixel = new Sixel(sixelParseBuffer.toString());
+ BufferedImage image = sixel.getImage();
+
+ System.err.println("parseSixel(): image " + image);
+
+ if (image == null) {
+ // Sixel data was malformed in some way, bail out.
+ return;
}
- // available() will often return > 1, so we need to read in chunks to
- // stay caught up.
- char [] readBufferUTF8 = null;
- byte [] readBuffer = null;
- if (utf8) {
- readBufferUTF8 = new char[128];
- } else {
- readBuffer = new byte[128];
+ /*
+ * Procedure:
+ *
+ * Break up the image into text cell sized pieces as a new array of
+ * Cells.
+ *
+ * Note original column position x0.
+ *
+ * For each cell:
+ *
+ * 1. Advance (printCharacter(' ')) for horizontal increment, or
+ * index (linefeed() + cursorPosition(y, x0)) for vertical
+ * increment.
+ *
+ * 2. Set (x, y) cell image data.
+ *
+ * 3. For the right and bottom edges:
+ *
+ * a. Render the text to pixels using Terminus font.
+ *
+ * b. Blit the image on top of the text, using alpha channel.
+ */
+ int cellColumns = image.getWidth() / textWidth;
+ if (cellColumns * textWidth < image.getWidth()) {
+ cellColumns++;
+ }
+ int cellRows = image.getHeight() / textHeight;
+ if (cellRows * textHeight < image.getHeight()) {
+ cellRows++;
}
- while (!done && !stopReaderThread) {
- try {
- // We assume that if inputStream has bytes available, then
- // input won't block on read().
- int n = inputStream.available();
- if (n > 0) {
- // 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 newSize = Math.max(readBufferUTF8.length * 2, n);
+ // Break the image up into an array of cells.
+ Cell [][] cells = new Cell[cellColumns][cellRows];
- readBufferUTF8 = new char[newSize];
- }
- } else {
- if (readBuffer.length < n) {
- // The buffer wasn't big enough, make it huger
- int newSize = Math.max(readBuffer.length * 2, n);
- readBuffer = new byte[newSize];
- }
- }
+ for (int x = 0; x < cellColumns; x++) {
+ for (int y = 0; y < cellRows; y++) {
- int rc = -1;
- if (utf8) {
- rc = input.read(readBufferUTF8, 0, n);
- } else {
- rc = inputStream.read(readBuffer, 0, n);
- }
- // System.err.printf("read() %d\n", rc); System.err.flush();
- if (rc == -1) {
- // This is EOF
- done = true;
- } else {
- for (int i = 0; i < rc; i++) {
- int ch = 0;
- if (utf8) {
- ch = readBufferUTF8[i];
- } else {
- ch = readBuffer[i];
- }
- // Don't step on UI events
- synchronized (this) {
- consume((char)ch);
- }
- }
- }
- } else {
- // Wait 10 millis for more data
- Thread.sleep(10);
+ int width = textWidth;
+ if ((x + 1) * textWidth > image.getWidth()) {
+ width = image.getWidth() - (x * textWidth);
+ }
+ int height = textHeight;
+ if ((y + 1) * textHeight > image.getHeight()) {
+ height = image.getHeight() - (y * textHeight);
}
- // System.err.println("end while loop"); System.err.flush();
- } catch (InterruptedException e) {
- // SQUASH
- } catch (IOException e) {
- e.printStackTrace();
- done = true;
- }
- } // while ((done == false) && (stopReaderThread == false))
- // Close the input stream
- try {
- if (utf8) {
- input.close();
- input = null;
- inputStream = null;
- } else {
- inputStream.close();
- inputStream = null;
+ Cell cell = new Cell();
+ cell.setImage(image.getSubimage(x * textWidth,
+ y * textHeight, width, height));
+
+ cells[x][y] = cell;
}
- } catch (IOException e) {
- e.printStackTrace();
}
- // Let the rest of the world know that I am done.
- stopReaderThread = true;
+ int x0 = currentState.cursorX;
+ for (int y = 0; y < cellRows; y++) {
+ for (int x = 0; x < cellColumns; x++) {
+ printCharacter(' ');
+ cursorLeft(1, false);
+ if ((x == cellColumns - 1) || (y == cellRows - 1)) {
+ // TODO: render text of current cell first, then image
+ // over it. For now, just copy the cell.
+ DisplayLine line = display.get(currentState.cursorY);
+ line.replace(currentState.cursorX, cells[x][y]);
+ } else {
+ // Copy the image cell into the display.
+ DisplayLine line = display.get(currentState.cursorY);
+ line.replace(currentState.cursorX, cells[x][y]);
+ }
+ cursorRight(1, false);
+ }
+ linefeed();
+ cursorPosition(currentState.cursorY, x0);
+ }
- // System.err.println("*** run() exiting..."); System.err.flush();
}
}