1 | /* |
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2 | This file is part of Konsole, an X terminal. |
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3 | |
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4 | Copyright (C) 2007 by Robert Knight <robertknight@gmail.com> |
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5 | Copyright (C) 1997,1998 by Lars Doelle <lars.doelle@on-line.de> |
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6 | |
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7 | Rewritten for QT4 by e_k <e_k at users.sourceforge.net>, Copyright (C)2008 |
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8 | |
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9 | This program is free software; you can redistribute it and/or modify |
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10 | it under the terms of the GNU General Public License as published by |
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11 | the Free Software Foundation; either version 2 of the License, or |
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12 | (at your option) any later version. |
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13 | |
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14 | This program is distributed in the hope that it will be useful, |
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15 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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17 | GNU General Public License for more details. |
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18 | |
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19 | You should have received a copy of the GNU General Public License |
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20 | along with this program; if not, write to the Free Software |
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21 | Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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22 | 02110-1301 USA. |
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23 | */ |
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24 | |
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25 | #ifndef VT102EMULATION_H |
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26 | #define VT102EMULATION_H |
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27 | |
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28 | // Standard Library |
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29 | #include <stdio.h> |
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30 | |
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31 | // Qt |
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32 | #include <QtGui/QKeyEvent> |
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33 | #include <QtCore/QHash> |
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34 | #include <QtCore/QTimer> |
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35 | |
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36 | // Konsole |
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37 | #include "Emulation.h" |
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38 | #include "Screen.h" |
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39 | |
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40 | #define MODE_AppScreen (MODES_SCREEN+0) |
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41 | #define MODE_AppCuKeys (MODES_SCREEN+1) |
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42 | #define MODE_AppKeyPad (MODES_SCREEN+2) |
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43 | #define MODE_Mouse1000 (MODES_SCREEN+3) |
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44 | #define MODE_Mouse1001 (MODES_SCREEN+4) |
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45 | #define MODE_Mouse1002 (MODES_SCREEN+5) |
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46 | #define MODE_Mouse1003 (MODES_SCREEN+6) |
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47 | #define MODE_Ansi (MODES_SCREEN+7) |
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48 | #define MODE_total (MODES_SCREEN+8) |
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49 | |
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50 | namespace Konsole |
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51 | { |
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52 | |
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53 | struct DECpar |
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54 | { |
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55 | bool mode[MODE_total]; |
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56 | }; |
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57 | |
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58 | struct CharCodes |
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59 | { |
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60 | // coding info |
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61 | char charset[4]; // |
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62 | int cu_cs; // actual charset. |
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63 | bool graphic; // Some VT100 tricks |
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64 | bool pound ; // Some VT100 tricks |
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65 | bool sa_graphic; // saved graphic |
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66 | bool sa_pound; // saved pound |
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67 | }; |
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68 | |
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69 | /** |
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70 | * Provides an xterm compatible terminal emulation based on the DEC VT102 terminal. |
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71 | * A full description of this terminal can be found at http://vt100.net/docs/vt102-ug/ |
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72 | * |
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73 | * In addition, various additional xterm escape sequences are supported to provide |
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74 | * features such as mouse input handling. |
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75 | * See http://rtfm.etla.org/xterm/ctlseq.html for a description of xterm's escape |
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76 | * sequences. |
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77 | * |
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78 | */ |
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79 | class Vt102Emulation : public Emulation |
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80 | { |
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81 | Q_OBJECT |
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82 | |
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83 | public: |
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84 | |
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85 | /** Constructs a new emulation */ |
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86 | Vt102Emulation(); |
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87 | ~Vt102Emulation(); |
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88 | |
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89 | // reimplemented |
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90 | virtual void clearEntireScreen(); |
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91 | virtual void reset(); |
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92 | |
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93 | // reimplemented |
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94 | virtual char getErase() const; |
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95 | |
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96 | public slots: |
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97 | |
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98 | // reimplemented |
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99 | virtual void sendString(const char*,int length = -1); |
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100 | virtual void sendText(const QString& text); |
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101 | virtual void sendKeyEvent(QKeyEvent*); |
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102 | virtual void sendMouseEvent( int buttons, int column, int line , int eventType ); |
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103 | |
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104 | protected: |
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105 | // reimplemented |
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106 | virtual void setMode (int mode); |
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107 | virtual void resetMode (int mode); |
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108 | |
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109 | // reimplemented |
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110 | virtual void receiveChar(int cc); |
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111 | |
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112 | |
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113 | private slots: |
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114 | |
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115 | //causes changeTitle() to be emitted for each (int,QString) pair in pendingTitleUpdates |
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116 | //used to buffer multiple title updates |
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117 | void updateTitle(); |
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118 | |
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119 | |
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120 | private: |
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121 | unsigned short applyCharset(unsigned short c); |
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122 | void setCharset(int n, int cs); |
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123 | void useCharset(int n); |
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124 | void setAndUseCharset(int n, int cs); |
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125 | void saveCursor(); |
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126 | void restoreCursor(); |
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127 | void resetCharset(int scrno); |
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128 | |
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129 | void setMargins(int top, int bottom); |
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130 | //set margins for all screens back to their defaults |
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131 | void setDefaultMargins(); |
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132 | |
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133 | // returns true if 'mode' is set or false otherwise |
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134 | bool getMode (int mode); |
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135 | // saves the current boolean value of 'mode' |
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136 | void saveMode (int mode); |
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137 | // restores the boolean value of 'mode' |
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138 | void restoreMode(int mode); |
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139 | // resets all modes |
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140 | void resetModes(); |
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141 | |
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142 | void resetToken(); |
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143 | #define MAXPBUF 80 |
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144 | void pushToToken(int cc); |
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145 | int pbuf[MAXPBUF]; //FIXME: overflow? |
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146 | int ppos; |
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147 | #define MAXARGS 15 |
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148 | void addDigit(int dig); |
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149 | void addArgument(); |
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150 | int argv[MAXARGS]; |
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151 | int argc; |
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152 | void initTokenizer(); |
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153 | int tbl[256]; |
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154 | |
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155 | void scan_buffer_report(); //FIXME: rename |
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156 | void ReportErrorToken(); //FIXME: rename |
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157 | |
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158 | void tau(int code, int p, int q); |
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159 | void XtermHack(); |
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160 | |
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161 | void reportTerminalType(); |
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162 | void reportSecondaryAttributes(); |
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163 | void reportStatus(); |
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164 | void reportAnswerBack(); |
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165 | void reportCursorPosition(); |
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166 | void reportTerminalParms(int p); |
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167 | |
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168 | void onScrollLock(); |
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169 | void scrollLock(const bool lock); |
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170 | |
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171 | // clears the screen and resizes it to the specified |
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172 | // number of columns |
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173 | void clearScreenAndSetColumns(int columnCount); |
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174 | |
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175 | CharCodes _charset[2]; |
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176 | |
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177 | DECpar _currParm; |
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178 | DECpar _saveParm; |
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179 | |
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180 | //hash table and timer for buffering calls to the session instance |
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181 | //to update the name of the session |
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182 | //or window title. |
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183 | //these calls occur when certain escape sequences are seen in the |
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184 | //output from the terminal |
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185 | QHash<int,QString> _pendingTitleUpdates; |
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186 | QTimer* _titleUpdateTimer; |
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187 | |
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188 | }; |
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189 | |
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190 | } |
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191 | |
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192 | #endif // VT102EMULATION_H |
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