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libgui
qterminal
libqterminal
unix
Vt102Emulation.h
Go to the documentation of this file.
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/*
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This file is part of Konsole, an X terminal.
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Copyright (C) 2007, 2013 by Robert Knight <
[email protected]
>
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Copyright (C) 1997,1998 by Lars Doelle <
[email protected]
>
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Rewritten for QT4 by e_k <e_k at users.sourceforge.net>, Copyright (C)2008
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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*/
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#ifndef VT102EMULATION_H
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#define VT102EMULATION_H
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// Standard Library
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#include <stdio.h>
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// Qt
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#include <QKeyEvent>
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#include <QtCore/QHash>
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#include <QtCore/QTimer>
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// Konsole
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#include "
unix/Emulation.h
"
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#include "
unix/Screen.h
"
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#define MODE_AppScreen (MODES_SCREEN+0)
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#define MODE_AppCuKeys (MODES_SCREEN+1)
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#define MODE_AppKeyPad (MODES_SCREEN+2)
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#define MODE_Mouse1000 (MODES_SCREEN+3)
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#define MODE_Mouse1001 (MODES_SCREEN+4)
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#define MODE_Mouse1002 (MODES_SCREEN+5)
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#define MODE_Mouse1003 (MODES_SCREEN+6)
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#define MODE_Ansi (MODES_SCREEN+7)
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#define MODE_total (MODES_SCREEN+8)
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struct
DECpar
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{
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bool
mode
[
MODE_total
];
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};
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struct
CharCodes
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{
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// coding info
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char
charset
[4];
//
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int
cu_cs
;
// actual charset.
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bool
graphic
;
// Some VT100 tricks
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bool
pound
;
// Some VT100 tricks
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bool
sa_graphic
;
// saved graphic
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bool
sa_pound
;
// saved pound
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};
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/**
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* Provides an xterm compatible terminal emulation based on the DEC VT102 terminal.
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* A full description of this terminal can be found at http://vt100.net/docs/vt102-ug/
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*
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* In addition, various additional xterm escape sequences are supported to provide
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* features such as mouse input handling.
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* See http://rtfm.etla.org/xterm/ctlseq.html for a description of xterm's escape
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* sequences.
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*
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*/
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class
Vt102Emulation
:
public
Emulation
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{
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Q_OBJECT
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public
:
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/** Constructs a new emulation */
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Vt102Emulation
();
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~Vt102Emulation
();
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// reimplemented
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virtual
void
clearEntireScreen
();
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virtual
void
reset
();
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// reimplemented
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virtual
char
getErase
()
const
;
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public
slots:
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// reimplemented
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virtual
void
sendString
(
const
char
*,
int
length
= -1);
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virtual
void
sendText
(
const
QString&
text
);
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virtual
void
sendKeyEvent
(QKeyEvent*);
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virtual
void
sendMouseEvent
(
int
buttons,
int
column,
int
line
,
int
eventType );
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protected
:
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// reimplemented
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virtual
void
setMode
(
int
mode);
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virtual
void
resetMode
(
int
mode);
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// reimplemented
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virtual
void
receiveChar
(
int
cc);
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private
slots:
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//causes changeTitle() to be emitted for each (int,QString) pair in pendingTitleUpdates
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//used to buffer multiple title updates
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void
updateTitle
();
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private
:
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unsigned
short
applyCharset
(
unsigned
short
c);
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void
setCharset
(
int
n,
int
cs);
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void
useCharset
(
int
n);
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void
setAndUseCharset
(
int
n,
int
cs);
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void
saveCursor
();
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void
restoreCursor
();
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void
resetCharset
(
int
scrno);
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void
setMargins
(
int
top,
int
bottom);
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//set margins for all screens back to their defaults
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void
setDefaultMargins
();
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// returns true if 'mode' is set or false otherwise
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bool
getMode
(
int
mode);
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// saves the current boolean value of 'mode'
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void
saveMode
(
int
mode);
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// restores the boolean value of 'mode'
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void
restoreMode
(
int
mode);
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// resets all modes
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void
resetModes
();
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void
resetToken
();
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#define MAXPBUF 80
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void
pushToToken
(
int
cc);
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int
pbuf
[
MAXPBUF
];
//FIXME: overflow?
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int
ppos
;
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#define MAXARGS 15
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void
addDigit
(
int
dig);
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void
addArgument
();
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int
argv
[
MAXARGS
];
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int
argc
;
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void
initTokenizer
();
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int
tbl
[256];
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void
scan_buffer_report
();
//FIXME: rename
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void
ReportErrorToken
();
//FIXME: rename
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void
tau
(
int
code,
int
p,
int
q);
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void
XtermHack
();
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void
reportTerminalType
();
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void
reportSecondaryAttributes
();
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void
reportStatus
();
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void
reportAnswerBack
();
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void
reportCursorPosition
();
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void
reportTerminalParms
(
int
p);
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void
onScrollLock
();
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void
scrollLock
(
const
bool
lock);
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// clears the screen and resizes it to the specified
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// number of columns
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void
clearScreenAndSetColumns
(
int
columnCount);
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CharCodes
_charset
[2];
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DECpar
_currParm
;
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DECpar
_saveParm
;
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//hash table and timer for buffering calls to the session instance
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//to update the name of the session
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//or window title.
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//these calls occur when certain escape sequences are seen in the
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//output from the terminal
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QHash<int,QString>
_pendingTitleUpdates
;
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QTimer*
_titleUpdateTimer
;
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};
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#endif // VT102EMULATION_H
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