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/*
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
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