/* * This file is part of "The Java Telnet Application". * * This 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, or (at your option) * any later version. * * "The Java Telnet Application" 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 software; see the file COPYING.  If not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */package de.mud.terminal;import java.awt.Font;import java.awt.Dimension;import java.awt.Event;import java.awt.event.KeyEvent;import java.awt.event.KeyListener;import java.awt.event.MouseAdapter;import java.awt.event.MouseEvent;import java.util.Properties;/** * Implementation of a VT terminal emulation plus ANSI compatible. * <P> * <B>Maintainer:</B> Marcus Mei遪er * * @version $Id: vt320.java,v 2.50 2001/02/27 17:55:46 marcus Exp $ * @author  Matthias L. Jugel, Marcus Mei遪er */public abstract class vt320 extends VDU implements KeyListener {  /** The current version id tag.<P>   * $Id: vt320.java,v 2.50 2001/02/27 17:55:46 marcus Exp $   */  public final static String ID = "$Id: vt320.java,v 2.50 2001/02/27 17:55:46 marcus Exp $";  /** the debug level */  private final static int debug = 0;  /**   * 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   */  protected abstract void write(byte[] b);  /**   * Play the beep sound ...   */  protected void beep() { /* do nothing by default */ }  /**   * Put string at current cursor position. Moves cursor   * according to the String. Does NOT wrap.   * @param s the string   */  public void putString(String s) {    int  i,len=s.length();    // System.err.println("'"+s+"'");    if(len > 0) {      markLine(R,1);      for (i=0;i<len;i++) {        // System.err.print(s.charAt(i)+"("+(int)s.charAt(i)+")");        putChar(s.charAt(i),false);      }      setCursorPosition(C, R);      redraw();    }  }  protected void sendTelnetCommand(byte cmd) { }  /**   * Create a new vt320 terminal and intialize it with useful settings.   * @param width the width of the character screen   * @param height the amount of rows on screen   * @param font the font to be used for rendering characters   */  public vt320(int width, int height, Font font) {    super(width, height, font);    setVMS(false);    setIBMCharset(false);    // setTerminalID("vt320");    setTerminalID("ANSI");    setBufferSize(100);    setBorder(2, false);    int nw = getColumns();    if (nw<132) nw=132; //catch possible later 132/80 resizes    Tabs = new byte[nw];    for (int i=0;i<nw;i+=8) {      Tabs[i]=1;    }    int nh = getRows();    HTabs = new byte[nh];    for (int i=0;i<nh;i+=8) { // I don't know whether the default vertical tab is 8      HTabs[i]=1;    }    /* 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";    KeyHome[0] = KeyHome[1] = KeyHome[2] = KeyHome[3] = "\u001b[1~";    // KeyEnd[0]  = KeyEnd[1]  = KeyEnd[2]  = KeyEnd[3]  = "\u001b[F";    KeyEnd[0]  = KeyEnd[1]  = KeyEnd[2]  = KeyEnd[3]  = "\u001b[4~";    Escape[0]  = Escape[1]  = Escape[2]  = Escape[3]  = "\u001b";    BackSpace[0]  = BackSpace[1]  = BackSpace[2]  = BackSpace[3]  = "\b";    /* 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]="";      FunctionKeyCtrl[i]="";    }    FunctionKeyShift[15] = Find;    FunctionKeyShift[16] = Select;    TabKey[0]  = "\u0009";    // TabKey[1]  = "\u001bOP\u0009";    TabKey[1]  = "\u001b[Z";    TabKey[2]  = TabKey[3] = "";    KeyUp      = new String[4];    KeyUp[0]   = "\u001b[A";    KeyDown    = new String[4];    KeyDown[0] = "\u001b[B";    KeyRight   = new String[4];    KeyRight[0]= "\u001b[C";    KeyLeft    = new String[4];    KeyLeft[0] = "\u001b[D";    Numpad = new String[10];    Numpad[0]  = "\u001bOp";    Numpad[1]  = "\u001bOq";    Numpad[2]  = "\u001bOr";    Numpad[3]  = "\u001bOs";    Numpad[4]  = "\u001bOt";    Numpad[5]  = "\u001bOu";    Numpad[6]  = "\u001bOv";    Numpad[7]  = "\u001bOw";    Numpad[8]  = "\u001bOx";    Numpad[9]  = "\u001bOy";    KPMinus  = "\u001bOm";    KPComma  = "\u001bOl";    KPPeriod  = "\u001bOn";    KPEnter  = "\u001bOM";    /* ... */    addKeyListener(this);    /* I don't think we want that here ... */    addMouseListener(new MouseAdapter() {      public void mouseEntered(MouseEvent evt) {        requestFocus();      }      public void mousePressed(MouseEvent evt) {        if (mouserpt==0)          return;        int mods = evt.getModifiers();        mousebut = 3;        if ((mods & 16)==16) mousebut=0;        if ((mods &  8)==8 ) mousebut=1;        if ((mods &  4)==4 ) mousebut=2;        int mousecode;        if (mouserpt == 9)      /* X10 Mouse */            mousecode = 0x20|mousebut;        else                    /* normal xterm mouse reporting */            mousecode = mousebut|0x20|((mods & 7)<<2);        java.awt.Point pos = mouseGetPos(evt.getPoint());        byte b[] = new byte[6];        b[0] = 27; b[1] = (byte)'['; b[2] = (byte)'M';        b[3] = (byte)mousecode;        b[4] = (byte) (0x20 + pos.x + 1);        b[5] = (byte) (0x20 + pos.y + 1);        write(b);      }      public void mouseReleased(MouseEvent evt) {        if (mouserpt==0)          return;        java.awt.Point pos = mouseGetPos(evt.getPoint());        int mods = evt.getModifiers();        /* problem is tht modifiers still have the released button set in them.        mousebut = 3;        if ((mods & 16)==16) mousebut=0;        if ((mods &  8)==8 ) mousebut=1;        if ((mods &  4)==4 ) mousebut=2;         */        int mousecode;        if (mouserpt == 9)            mousecode = 0x20+mousebut;  /* same as press? appears so. */        else            mousecode = '#';        byte b[] = new byte[6];        b[0] = 27; b[1] = (byte)'['; b[2] = (byte)'M';        b[3] = (byte)mousecode;        b[4] = (byte) (0x20 + pos.x + 1);        b[5] = (byte) (0x20 + pos.y + 1);        write(b);        mousebut = 0;      }    });  }  /**   * Create a new terminal emulation with specific width and height.   * @param width the width of the character screen   * @param height the amount of rows on screen   */  public vt320(int width, int height) {    this(width, height, new Font("Monospaced", Font.PLAIN, 20));    // this(width, height, new Font("穝燦