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Diffstat (limited to 'client/browser/qtermwidget/src/Vt102Emulation.h')
| -rw-r--r-- | client/browser/qtermwidget/src/Vt102Emulation.h | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/client/browser/qtermwidget/src/Vt102Emulation.h b/client/browser/qtermwidget/src/Vt102Emulation.h new file mode 100644 index 00000000..4554c1bf --- /dev/null +++ b/client/browser/qtermwidget/src/Vt102Emulation.h @@ -0,0 +1,192 @@ +/* + This file is part of Konsole, an X terminal. + + Copyright (C) 2007 by Robert Knight <robertknight@gmail.com> + Copyright (C) 1997,1998 by Lars Doelle <lars.doelle@on-line.de> + + Rewritten for QT4 by e_k <e_k at users.sourceforge.net>, Copyright (C)2008 + + 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., 51 Franklin Street, Fifth Floor, Boston, MA + 02110-1301 USA. +*/ + +#ifndef VT102EMULATION_H +#define VT102EMULATION_H + +// Standard Library +#include <stdio.h> + +// Qt +#include <QtGui/QKeyEvent> +#include <QtCore/QHash> +#include <QtCore/QTimer> + +// Konsole +#include "Emulation.h" +#include "Screen.h" + +#define MODE_AppScreen (MODES_SCREEN+0) +#define MODE_AppCuKeys (MODES_SCREEN+1) +#define MODE_AppKeyPad (MODES_SCREEN+2) +#define MODE_Mouse1000 (MODES_SCREEN+3) +#define MODE_Mouse1001 (MODES_SCREEN+4) +#define MODE_Mouse1002 (MODES_SCREEN+5) +#define MODE_Mouse1003 (MODES_SCREEN+6) +#define MODE_Ansi (MODES_SCREEN+7) +#define MODE_total (MODES_SCREEN+8) + +namespace Konsole +{ + +struct DECpar +{ + bool mode[MODE_total]; +}; + +struct CharCodes +{ + // coding info + char charset[4]; // + int cu_cs; // actual charset. + bool graphic; // Some VT100 tricks + bool pound ; // Some VT100 tricks + bool sa_graphic; // saved graphic + bool sa_pound; // saved pound +}; + +/** + * Provides an xterm compatible terminal emulation based on the DEC VT102 terminal. + * A full description of this terminal can be found at http://vt100.net/docs/vt102-ug/ + * + * In addition, various additional xterm escape sequences are supported to provide + * features such as mouse input handling. + * See http://rtfm.etla.org/xterm/ctlseq.html for a description of xterm's escape + * sequences. + * + */ +class Vt102Emulation : public Emulation +{ +Q_OBJECT + +public: + + /** Constructs a new emulation */ + Vt102Emulation(); + ~Vt102Emulation(); + + // reimplemented + virtual void clearEntireScreen(); + virtual void reset(); + + // reimplemented + virtual char getErase() const; + +public slots: + + // reimplemented + virtual void sendString(const char*,int length = -1); + virtual void sendText(const QString& text); + virtual void sendKeyEvent(QKeyEvent*); + virtual void sendMouseEvent( int buttons, int column, int line , int eventType ); + +protected: + // reimplemented + virtual void setMode (int mode); + virtual void resetMode (int mode); + + // reimplemented + virtual void receiveChar(int cc); + + +private slots: + + //causes changeTitle() to be emitted for each (int,QString) pair in pendingTitleUpdates + //used to buffer multiple title updates + void updateTitle(); + + +private: + unsigned short applyCharset(unsigned short c); + void setCharset(int n, int cs); + void useCharset(int n); + void setAndUseCharset(int n, int cs); + void saveCursor(); + void restoreCursor(); + void resetCharset(int scrno); + + void setMargins(int top, int bottom); + //set margins for all screens back to their defaults + void setDefaultMargins(); + + // returns true if 'mode' is set or false otherwise + bool getMode (int mode); + // saves the current boolean value of 'mode' + void saveMode (int mode); + // restores the boolean value of 'mode' + void restoreMode(int mode); + // resets all modes + void resetModes(); + + void resetToken(); +#define MAXPBUF 80 + void pushToToken(int cc); + int pbuf[MAXPBUF]; //FIXME: overflow? + int ppos; +#define MAXARGS 15 + void addDigit(int dig); + void addArgument(); + int argv[MAXARGS]; + int argc; + void initTokenizer(); + int tbl[256]; + + void scan_buffer_report(); //FIXME: rename + void ReportErrorToken(); //FIXME: rename + + void tau(int code, int p, int q); + void XtermHack(); + + void reportTerminalType(); + void reportSecondaryAttributes(); + void reportStatus(); + void reportAnswerBack(); + void reportCursorPosition(); + void reportTerminalParms(int p); + + void onScrollLock(); + void scrollLock(const bool lock); + + // clears the screen and resizes it to the specified + // number of columns + void clearScreenAndSetColumns(int columnCount); + + CharCodes _charset[2]; + + DECpar _currParm; + DECpar _saveParm; + + //hash table and timer for buffering calls to the session instance + //to update the name of the session + //or window title. + //these calls occur when certain escape sequences are seen in the + //output from the terminal + QHash<int,QString> _pendingTitleUpdates; + QTimer* _titleUpdateTimer; + +}; + +} + +#endif // VT102EMULATION_H |