vt320.java

The Javatm Telnet Application/Applet 很好用的

        write(TabKey[1], false);
      } else {
        if (control) {
          write(TabKey[2], false);
        } else {
          if (alt) {
            write(TabKey[3], false);
          } else {
            write(TabKey[0], false);
          }
        }
      }
      return;
    }
    if (alt) {
      write("" + ((char) (keyChar | 0x80)));
      return;
    }

    if (((keyCode == KeyEvent.VK_ENTER) || (keyChar == 10))
            && !control) {
      write("\r", false);
      if (localecho) putString("\r\n"); // bad hack
      return;
    }

    if ((keyCode == 10) && !control) {
      System.out.println("Sending \\r");
      write("\r", false);
      return;
    }

    // FIXME: on german PC keyboards you have to use Alt-Ctrl-q to get an @,
    // so we can't just use it here... will probably break some other VMS
    // codes.  -Marcus
    // if(((!vms && keyChar == '2') || keyChar == '@' || keyChar == ' ')
    //    && control)
    if (((!vms && keyChar == '2') || keyChar == ' ') && control)
      write("" + (char) 0);

    if (vms) {
      if (keyChar == 127 && !control) {
        if (shift)
          writeSpecial(Insert[0]);        //  VMS shift delete = insert
        else
          writeSpecial(Remove[0]);        //  VMS delete = remove
        return;
      } else if (control)
        switch (keyChar) {
          case '0':
            writeSpecial(Numpad[0]);
            return;
          case '1':
            writeSpecial(Numpad[1]);
            return;
          case '2':
            writeSpecial(Numpad[2]);
            return;
          case '3':
            writeSpecial(Numpad[3]);
            return;
          case '4':
            writeSpecial(Numpad[4]);
            return;
          case '5':
            writeSpecial(Numpad[5]);
            return;
          case '6':
            writeSpecial(Numpad[6]);
            return;
          case '7':
            writeSpecial(Numpad[7]);
            return;
          case '8':
            writeSpecial(Numpad[8]);
            return;
          case '9':
            writeSpecial(Numpad[9]);
            return;
          case '.':
            writeSpecial(KPPeriod);
            return;
          case '-':
          case 31:
            writeSpecial(KPMinus);
            return;
          case '+':
            writeSpecial(KPComma);
            return;
          case 10:
            writeSpecial(KPEnter);
            return;
          case '/':
            writeSpecial(PF2);
            return;
          case '*':
            writeSpecial(PF3);
            return;
            /* NUMLOCK handled in keyPressed */
          default:
            break;
        }
      /* Now what does this do and how did it get here. -Marcus
      if (shift && keyChar < 32) {
        write(PF1+(char)(keyChar + 64));
        return;
      }
      */
    }

    // FIXME: not used?
    String fmap[];
    int xind;
    xind = 0;
    fmap = FunctionKey;
    if (shift) {
      fmap = FunctionKeyShift;
      xind = 1;
    }
    if (control) {
      fmap = FunctionKeyCtrl;
      xind = 2;
    }
    if (alt) {
      fmap = FunctionKeyAlt;
      xind = 3;
    }

    if (keyCode == KeyEvent.VK_ESCAPE) {
      writeSpecial(Escape[xind]);
      return;
    }

    if ((modifiers & VDUInput.KEY_ACTION) != 0)
      switch (keyCode) {
        case KeyEvent.VK_NUMPAD0:
          writeSpecial(Numpad[0]);
          return;
        case KeyEvent.VK_NUMPAD1:
          writeSpecial(Numpad[1]);
          return;
        case KeyEvent.VK_NUMPAD2:
          writeSpecial(Numpad[2]);
          return;
        case KeyEvent.VK_NUMPAD3:
          writeSpecial(Numpad[3]);
          return;
        case KeyEvent.VK_NUMPAD4:
          writeSpecial(Numpad[4]);
          return;
        case KeyEvent.VK_NUMPAD5:
          writeSpecial(Numpad[5]);
          return;
        case KeyEvent.VK_NUMPAD6:
          writeSpecial(Numpad[6]);
          return;
        case KeyEvent.VK_NUMPAD7:
          writeSpecial(Numpad[7]);
          return;
        case KeyEvent.VK_NUMPAD8:
          writeSpecial(Numpad[8]);
          return;
        case KeyEvent.VK_NUMPAD9:
          writeSpecial(Numpad[9]);
          return;
        case KeyEvent.VK_DECIMAL:
          writeSpecial(NUMDot[xind]);
          return;
        case KeyEvent.VK_ADD:
          writeSpecial(NUMPlus[xind]);
          return;
      }

    if (!((keyChar == 8) || (keyChar == 127) || (keyChar == '\r') || (keyChar == '\n'))) {
      write("" + keyChar);
      return;
    }
  }

  private void handle_dcs(String dcs) {
    System.out.println("DCS: " + dcs);
  }

  private void handle_osc(String osc) {
    System.out.println("OSC: " + osc);
  }

  private final static char unimap[] = {
    //#
    //#    Name:     cp437_DOSLatinUS to Unicode table
    //#    Unicode version: 1.1
    //#    Table version: 1.1
    //#    Table format:  Format A
    //#    Date:          03/31/95
    //#    Authors:       Michel Suignard <[e-mail]>
    //#                   Lori Hoerth <[e-mail]>
    //#    General notes: none
    //#
    //#    Format: Three tab-separated columns
    //#        Column #1 is the cp1255_WinHebrew code (in hex)
    //#        Column #2 is the Unicode (in hex as 0xXXXX)
    //#        Column #3 is the Unicode name (follows a comment sign, '#')
    //#
    //#    The entries are in cp437_DOSLatinUS order
    //#

    0x0000, // #NULL
    0x0001, // #START OF HEADING
    0x0002, // #START OF TEXT
    0x0003, // #END OF TEXT
    0x0004, // #END OF TRANSMISSION
    0x0005, // #ENQUIRY
    0x0006, // #ACKNOWLEDGE
    0x0007, // #BELL
    0x0008, // #BACKSPACE
    0x0009, // #HORIZONTAL TABULATION
    0x000a, // #LINE FEED
    0x000b, // #VERTICAL TABULATION
    0x000c, // #FORM FEED
    0x000d, // #CARRIAGE RETURN
    0x000e, // #SHIFT OUT
    0x000f, // #SHIFT IN
    0x0010, // #DATA LINK ESCAPE
    0x0011, // #DEVICE CONTROL ONE
    0x0012, // #DEVICE CONTROL TWO
    0x0013, // #DEVICE CONTROL THREE
    0x0014, // #DEVICE CONTROL FOUR
    0x0015, // #NEGATIVE ACKNOWLEDGE
    0x0016, // #SYNCHRONOUS IDLE
    0x0017, // #END OF TRANSMISSION BLOCK
    0x0018, // #CANCEL
    0x0019, // #END OF MEDIUM
    0x001a, // #SUBSTITUTE
    0x001b, // #ESCAPE
    0x001c, // #FILE SEPARATOR
    0x001d, // #GROUP SEPARATOR
    0x001e, // #RECORD SEPARATOR
    0x001f, // #UNIT SEPARATOR
    0x0020, // #SPACE
    0x0021, // #EXCLAMATION MARK
    0x0022, // #QUOTATION MARK
    0x0023, // #NUMBER SIGN
    0x0024, // #DOLLAR SIGN
    0x0025, // #PERCENT SIGN
    0x0026, // #AMPERSAND
    0x0027, // #APOSTROPHE
    0x0028, // #LEFT PARENTHESIS
    0x0029, // #RIGHT PARENTHESIS
    0x002a, // #ASTERISK
    0x002b, // #PLUS SIGN
    0x002c, // #COMMA
    0x002d, // #HYPHEN-MINUS
    0x002e, // #FULL STOP
    0x002f, // #SOLIDUS
    0x0030, // #DIGIT ZERO
    0x0031, // #DIGIT ONE
    0x0032, // #DIGIT TWO
    0x0033, // #DIGIT THREE
    0x0034, // #DIGIT FOUR
    0x0035, // #DIGIT FIVE
    0x0036, // #DIGIT SIX
    0x0037, // #DIGIT SEVEN
    0x0038, // #DIGIT EIGHT
    0x0039, // #DIGIT NINE
    0x003a, // #COLON
    0x003b, // #SEMICOLON
    0x003c, // #LESS-THAN SIGN
    0x003d, // #EQUALS SIGN
    0x003e, // #GREATER-THAN SIGN
    0x003f, // #QUESTION MARK
    0x0040, // #COMMERCIAL AT
    0x0041, // #LATIN CAPITAL LETTER A
    0x0042, // #LATIN CAPITAL LETTER B
    0x0043, // #LATIN CAPITAL LETTER C
    0x0044, // #LATIN CAPITAL LETTER D
    0x0045, // #LATIN CAPITAL LETTER E
    0x0046, // #LATIN CAPITAL LETTER F
    0x0047, // #LATIN CAPITAL LETTER G
    0x0048, // #LATIN CAPITAL LETTER H
    0x0049, // #LATIN CAPITAL LETTER I
    0x004a, // #LATIN CAPITAL LETTER J
    0x004b, // #LATIN CAPITAL LETTER K
    0x004c, // #LATIN CAPITAL LETTER L
    0x004d, // #LATIN CAPITAL LETTER M
    0x004e, // #LATIN CAPITAL LETTER N
    0x004f, // #LATIN CAPITAL LETTER O
    0x0050, // #LATIN CAPITAL LETTER P
    0x0051, // #LATIN CAPITAL LETTER Q
    0x0052, // #LATIN CAPITAL LETTER R
    0x0053, // #LATIN CAPITAL LETTER S
    0x0054, // #LATIN CAPITAL LETTER T
    0x0055, // #LATIN CAPITAL LETTER U
    0x0056, // #LATIN CAPITAL LETTER V
    0x0057, // #LATIN CAPITAL LETTER W
    0x0058, // #LATIN CAPITAL LETTER X
    0x0059, // #LATIN CAPITAL LETTER Y
    0x005a, // #LATIN CAPITAL LETTER Z
    0x005b, // #LEFT SQUARE BRACKET
    0x005c, // #REVERSE SOLIDUS
    0x005d, // #RIGHT SQUARE BRACKET
    0x005e, // #CIRCUMFLEX ACCENT
    0x005f, // #LOW LINE
    0x0060, // #GRAVE ACCENT
    0x0061, // #LATIN SMALL LETTER A
    0x0062, // #LATIN SMALL LETTER B
    0x0063, // #LATIN SMALL LETTER C
    0x0064, // #LATIN SMALL LETTER D
    0x0065, // #LATIN SMALL LETTER E
    0x0066, // #LATIN SMALL LETTER F
    0x0067, // #LATIN SMALL LETTER G
    0x0068, // #LATIN SMALL LETTER H
    0x0069, // #LATIN SMALL LETTER I
    0x006a, // #LATIN SMALL LETTER J
    0x006b, // #LATIN SMALL LETTER K
    0x006c, // #LATIN SMALL LETTER L
    0x006d, // #LATIN SMALL LETTER M
    0x006e, // #LATIN SMALL LETTER N
    0x006f, // #LATIN SMALL LETTER O
    0x0070, // #LATIN SMALL LETTER P
    0x0071, // #LATIN SMALL LETTER Q
    0x0072, // #LATIN SMALL LETTER R
    0x0073, // #LATIN SMALL LETTER S
    0x0074, // #LATIN SMALL LETTER T
    0x0075, // #LATIN SMALL LETTER U
    0x0076, // #LATIN SMALL LETTER V
    0x0077, // #LATIN SMALL LETTER W
    0x0078, // #LATIN SMALL LETTER X
    0x0079, // #LATIN SMALL LETTER Y
    0x007a, // #LATIN SMALL LETTER Z
    0x007b, // #LEFT CURLY BRACKET
    0x007c, // #VERTICAL LINE
    0x007d, // #RIGHT CURLY BRACKET
    0x007e, // #TILDE
    0x007f, // #DELETE
    0x00c7, // #LATIN CAPITAL LETTER C WITH CEDILLA
    0x00fc, // #LATIN SMALL LETTER U WITH DIAERESIS
    0x00e9, // #LATIN SMALL LETTER E WITH ACUTE
    0x00e2, // #LATIN SMALL LETTER A WITH CIRCUMFLEX
    0x00e4, // #LATIN SMALL LETTER A WITH DIAERESIS
    0x00e0, // #LATIN SMALL LETTER A WITH GRAVE
    0x00e5, // #LATIN SMALL LETTER A WITH RING ABOVE
    0x00e7, // #LATIN SMALL LETTER C WITH CEDILLA
    0x00ea, // #LATIN SMALL LETTER E WITH CIRCUMFLEX
    0x00eb, // #LATIN SMALL LETTER E WITH DIAERESIS
    0x00e8, // #LATIN SMALL LETTER E WITH GRAVE
    0x00ef, // #LATIN SMALL LETTER I WITH DIAERESIS
    0x00ee, // #LATIN SMALL LETTER I WITH CIRCUMFLEX
    0x00ec, // #LATIN SMALL LETTER I WITH GRAVE
    0x00c4, // #LATIN CAPITAL LETTER A WITH DIAERESIS
    0x00c5, // #LATIN CAPITAL LETTER A WITH RING ABOVE
    0x00c9, // #LATIN CAPITAL LETTER E WITH ACUTE
    0x00e6, // #LATIN SMALL LIGATURE AE
    0x00c6, // #LATIN CAPITAL LIGATURE AE
    0x00f4, // #LATIN SMALL LETTER O WITH CIRCUMFLEX
    0x00f6, // #LATIN SMALL LETTER O WITH DIAERESIS
    0x00f2, // #LATIN SMALL LETTER O WITH GRAVE
    0x00fb, // #LATIN SMALL LETTER U WITH CIRCUMFLEX
    0x00f9, // #LATIN SMALL LETTER U WITH GRAVE
    0x00ff, // #LATIN SMALL LETTER Y WITH DIAERESIS
    0x00d6, // #LATIN CAPITAL LETTER O WITH DIAERESIS
    0x00dc, // #LATIN CAPITAL LETTER U WITH DIAERESIS
    0x00a2, // #CENT SIGN
    0x00a3, // #POUND SIGN
    0x00a5, // #YEN SIGN
    0x20a7, // #PESETA SIGN
    0x0192, // #LATIN SMALL LETTER F WITH HOOK
    0x00e1, // #LATIN SMALL LETTER A WITH ACUTE
    0x00ed, // #LATIN SMALL LETTER I WITH ACUTE
    0x00f3, // #LATIN SMALL LETTER O WITH ACUTE
    0x00fa, // #LATIN SMALL LETTER U WITH ACUTE
    0x00f1, // #LATIN SMALL LETTER N WITH TILDE
    0x00d1, // #LATIN CAPITAL LETTER N WITH TILDE
    0x00aa, // #FEMININE ORDINAL INDICATOR
    0x00ba, // #MASCULINE ORDINAL INDICATOR
    0x00bf, // #INVERTED QUESTION MARK
    0x2310, // #REVERSED NOT SIGN
    0x00ac, // #NOT SIGN
    0x00bd, // #VULGAR FRACTION ONE HALF
    0x00bc, // #VULGAR FRACTION ONE QUARTER
    0x00a1, // #INVERTED EXCLAMATION MARK
    0x00ab, // #LEFT-POINTING DOUBLE ANGLE QUOTATION MARK
    0x00bb, // #RIGHT-POINTING DOUBLE ANGLE QUOTATION MARK
    0x2591, // #LIGHT SHADE
    0x2592, // #MEDIUM SHADE
    0x2593, // #DARK SHADE
    0x2502, // #BOX DRAWINGS LIGHT VERTICAL
    0x2524, // #BOX DRAWINGS LIGHT VERTICAL AND LEFT
    0x2561, // #BOX DRAWINGS VERTICAL SINGLE AND LEFT DOUBLE
    0x2562, // #BOX DRAWINGS VERTICAL DOUBLE AND LEFT SINGLE
    0x2556, // #BOX DRAWINGS DOWN DOUBLE AND LEFT SINGLE
    0x2555, // #BOX DRAWINGS DOWN SINGLE AND LEFT DOUBLE
    0x2563, // #BOX DRAWINGS DOUBLE VERTICAL AND LEFT
    0x2551, // #BOX DRAWINGS DOUBLE VERTICAL
    0x2557, // #BOX DRAWINGS DOUBLE DOWN AND LEFT
    0x255d, // #BOX DRAWINGS DOUBLE UP AND LEFT
    0x255c, // #BOX DRAWINGS UP DOUBLE AND LEFT SINGLE
    0x255b, // #BOX DRAWINGS UP SINGLE AND LEFT DOUBLE
    0x2510, // #BOX DRAWINGS LIGHT DOWN AND LEFT
    0x2514, // #BOX DRAWINGS LIGHT UP AND RIGHT
    0x2534, // #BOX DRAWINGS LIGHT UP AND HORIZONTAL
    0x252c, // #BOX DRAWINGS LIGHT DOWN AND HORIZONTAL
    0x251c, // #BOX DRAWINGS LIGHT VERTICAL AND RIGHT
    0x2500, // #BOX DRAWINGS LIGHT HORIZONTAL
    0x253c, // #BOX DRAWINGS LIGHT VERTICAL AND HORIZONTAL
    0x255e, // #BOX DRAWINGS VERTICAL SINGLE AND RIGHT DOUBLE
    0x255f, // #BOX DRAWINGS VERTICAL DOUBLE AND RIGHT SINGLE