ConnectBot(SSH 远程)

/* * This file is part of "JTA - Telnet/SSH for the JAVA(tm) platform". * * (c) Matthias L. Jugel, Marcus Meiner 1996-2005. All Rights Reserved. * * Please visit http://javatelnet.org/ for updates and contact. * * --LICENSE NOTICE-- * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * --LICENSE NOTICE-- * */ package de.mud.terminal; import android.text.AndroidCharacter; import java.util.Properties; /** * Implementation of a VT terminal emulation plus ANSI compatible. * <P> * <B>Maintainer:</B> Marcus Meißner * * @version $Id: vt320.java 507 2005-10-25 10:14:52Z marcus $ * @author Matthias L. Jugel, Marcus Meißner */ public abstract class vt320 extends VDUBuffer implements VDUInput { /** The current version id tag.<P> * $Id: vt320.java 507 2005-10-25 10:14:52Z marcus $ * */ public final static String ID = "$Id: vt320.java 507 2005-10-25 10:14:52Z marcus $"; /** the debug level */ private final static int debug = 0; private StringBuilder debugStr; public abstract void debug(String notice); /** * Write an answer back to the remote host. This is needed to be able to * send terminal answers requests like status and type information. * @param b the array of bytes to be sent */ public abstract void write(byte[] b); /** * Write an answer back to the remote host. This is needed to be able to * send terminal answers requests like status and type information. * @param b the array of bytes to be sent */ public abstract void write(int b); /** * Play the beep sound ... */ public void beep() { /* do nothing by default */ } /** * Convenience function for putString(char[], int, int) */ public void putString(String s) { int len = s.length(); char[] tmp = new char[len]; s.getChars(0, len, tmp, 0); putString(tmp, null, 0, len); } /** * Put string at current cursor position. Moves cursor * according to the String. Does NOT wrap. * @param s character array * @param start place to start in array * @param len number of characters to process */ public void putString(char[] s, byte[] fullwidths, int start, int len) { if (len > 0) { //markLine(R, 1); int lastChar = -1; char c; boolean isWide = false; for (int i = 0; i < len; i++) { c = s[start + i]; // Shortcut for my favorite ASCII if (c <= 0x7F) { if (lastChar != -1) putChar((char) lastChar, isWide, false); lastChar = c; isWide = false; } else if (!Character.isLowSurrogate(c) && !Character.isHighSurrogate(c)) { if (Character.getType(c) == Character.NON_SPACING_MARK) { if (lastChar != -1) { char nc = Precomposer.precompose((char) lastChar, c); putChar(nc, isWide, false); lastChar = -1; } } else { if (lastChar != -1) putChar((char) lastChar, isWide, false); lastChar = c; if (fullwidths != null) { final byte width = fullwidths[i]; isWide = (width == AndroidCharacter.EAST_ASIAN_WIDTH_WIDE) || (width == AndroidCharacter.EAST_ASIAN_WIDTH_FULL_WIDTH); } } } } if (lastChar != -1) putChar((char) lastChar, isWide, false); setCursorPosition(C, R); redraw(); } } protected void sendTelnetCommand(byte cmd) { } /** * Sent the changed window size from the terminal to all listeners. */ protected void setWindowSize(int c, int r) { /* To be overridden by Terminal.java */ } @Override public void setScreenSize(int c, int r, boolean broadcast) { int oldrows = height; if (debug>2) { if (debugStr == null) debugStr = new StringBuilder(); debugStr.append("setscreensize (") .append(c) .append(',') .append(r) .append(',') .append(broadcast) .append(')'); debug(debugStr.toString()); debugStr.setLength(0); } super.setScreenSize(c,r,false); boolean cursorChanged = false; // Don't let the cursor go off the screen. if (C >= c) { C = c - 1; cursorChanged = true; } if (R >= r) { R = r - 1; cursorChanged = true; } if (cursorChanged) { setCursorPosition(C, R); redraw(); } if (broadcast) { setWindowSize(c, r); /* broadcast up */ } } /** * Create a new vt320 terminal and intialize it with useful settings. */ public vt320(int width, int height) { super(width, height); debugStr = new StringBuilder(); setVMS(false); setIBMCharset(false); setTerminalID("vt320"); setBufferSize(100); //setBorder(2, false); gx = new char[4]; reset(); /* top row of numpad */ PF1 = "\u001bOP"; PF2 = "\u001bOQ"; PF3 = "\u001bOR"; PF4 = "\u001bOS"; /* the 3x2 keyblock on PC keyboards */ Insert = new String[4]; Remove = new String[4]; KeyHome = new String[4]; KeyEnd = new String[4]; NextScn = new String[4]; PrevScn = new String[4]; Escape = new String[4]; BackSpace = new String[4]; TabKey = new String[4]; Insert[0] = Insert[1] = Insert[2] = Insert[3] = "\u001b[2~"; Remove[0] = Remove[1] = Remove[2] = Remove[3] = "\u001b[3~"; PrevScn[0] = PrevScn[1] = PrevScn[2] = PrevScn[3] = "\u001b[5~"; NextScn[0] = NextScn[1] = NextScn[2] = NextScn[3] = "\u001b[6~"; KeyHome[0] = KeyHome[1] = KeyHome[2] = KeyHome[3] = "\u001b[H"; KeyEnd[0] = KeyEnd[1] = KeyEnd[2] = KeyEnd[3] = "\u001b[F"; Escape[0] = Escape[1] = Escape[2] = Escape[3] = "\u001b"; if (vms) { BackSpace[1] = "" + (char) 10; // VMS shift deletes word back BackSpace[2] = "\u0018"; // VMS control deletes line back BackSpace[0] = BackSpace[3] = "\u007f"; // VMS other is delete } else { //BackSpace[0] = BackSpace[1] = BackSpace[2] = BackSpace[3] = "\b"; // ConnectBot modifications. BackSpace[0] = "\b"; BackSpace[1] = "\u007f"; BackSpace[2] = "\u001b[3~"; BackSpace[3] = "\u001b[2~"; } /* some more VT100 keys */ Find = "\u001b[1~"; Select = "\u001b[4~"; Help = "\u001b[28~"; Do = "\u001b[29~"; FunctionKey = new String[21]; FunctionKey[0] = ""; FunctionKey[1] = PF1; FunctionKey[2] = PF2; FunctionKey[3] = PF3; FunctionKey[4] = PF4; /* following are defined differently for vt220 / vt132 ... */ FunctionKey[5] = "\u001b[15~"; FunctionKey[6] = "\u001b[17~"; FunctionKey[7] = "\u001b[18~"; FunctionKey[8] = "\u001b[19~"; FunctionKey[9] = "\u001b[20~"; FunctionKey[10] = "\u001b[21~"; FunctionKey[11] = "\u001b[23~"; FunctionKey[12] = "\u001b[24~"; FunctionKey[13] = "\u001b[25~"; FunctionKey[14] = "\u001b[26~"; FunctionKey[15] = Help; FunctionKey[16] = Do; FunctionKey[17] = "\u001b[31~"; FunctionKey[18] = "\u001b[32~"; FunctionKey[19] = "\u001b[33~"; FunctionKey[20] = "\u001b[34~"; FunctionKeyShift = new String[21]; FunctionKeyAlt = new String[21]; FunctionKeyCtrl = new String[21]; for (int i = 0; i < 20; i++) { FunctionKeyShift[i] = ""; FunctionKeyAlt[i] = ""; F