diff options
Diffstat (limited to 'client/browser/qtermwidget/src/Vt102Emulation.cpp')
| -rw-r--r-- | client/browser/qtermwidget/src/Vt102Emulation.cpp | 1267 |
1 files changed, 0 insertions, 1267 deletions
diff --git a/client/browser/qtermwidget/src/Vt102Emulation.cpp b/client/browser/qtermwidget/src/Vt102Emulation.cpp deleted file mode 100644 index 8829b3b5..00000000 --- a/client/browser/qtermwidget/src/Vt102Emulation.cpp +++ /dev/null @@ -1,1267 +0,0 @@ -/* - This file is part of Konsole, an X terminal. - 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. -*/ - -// Own -#include "Vt102Emulation.h" - -//#include <config-konsole.h> - - -#if defined(__osf__) || defined(__APPLE__) -#define AVOID_XKB -#endif - -// this allows konsole to be compiled without XKB and XTEST extensions -// even though it might be available on a particular system. -#if defined(AVOID_XKB) -#undef HAVE_XKB -#endif - -// Standard -#include <stdio.h> -#include <unistd.h> -#include <assert.h> - -// Qt -#include <QtCore/QEvent> -#include <QtGui/QKeyEvent> -#include <QtCore/QByteRef> - -// KDE -//#include <kdebug.h> -//#include <klocale.h> - -// Konsole -#include "KeyboardTranslator.h" -#include "Screen.h" - -#if defined(HAVE_XKB) -void scrolllock_set_off(); -void scrolllock_set_on(); -#endif - - -using namespace Konsole; - -/* VT102 Terminal Emulation - - This class puts together the screens, the pty and the widget to a - complete terminal emulation. Beside combining it's componentes, it - handles the emulations's protocol. - - This module consists of the following sections: - - - Constructor/Destructor - - Incoming Bytes Event pipeline - - Outgoing Bytes - - Mouse Events - - Keyboard Events - - Modes and Charset State - - Diagnostics -*/ - -/* ------------------------------------------------------------------------- */ -/* */ -/* Constructor / Destructor */ -/* */ -/* ------------------------------------------------------------------------- */ - - -Vt102Emulation::Vt102Emulation() - : Emulation(), - _titleUpdateTimer(new QTimer(this)) -{ - _titleUpdateTimer->setSingleShot(true); - - QObject::connect(_titleUpdateTimer , SIGNAL(timeout()) , this , SLOT(updateTitle())); - - initTokenizer(); - reset(); -} - -Vt102Emulation::~Vt102Emulation() -{ -} - -void Vt102Emulation::clearEntireScreen() -{ - _currentScreen->clearEntireScreen(); - - bufferedUpdate(); -} - -void Vt102Emulation::reset() -{ - //kDebug(1211)<<"Vt102Emulation::reset() resetToken()"; - resetToken(); - //kDebug(1211)<<"Vt102Emulation::reset() resetModes()"; - resetModes(); - //kDebug(1211)<<"Vt102Emulation::reset() resetCharSet()"; - resetCharset(0); - //kDebug(1211)<<"Vt102Emulation::reset() reset screen0()"; - _screen[0]->reset(); - //kDebug(1211)<<"Vt102Emulation::reset() resetCharSet()"; - resetCharset(1); - //kDebug(1211)<<"Vt102Emulation::reset() reset _screen 1"; - _screen[1]->reset(); - //kDebug(1211)<<"Vt102Emulation::reset() setCodec()"; - setCodec(LocaleCodec); - //kDebug(1211)<<"Vt102Emulation::reset() done"; - - bufferedUpdate(); -} - -/* ------------------------------------------------------------------------- */ -/* */ -/* Processing the incoming byte stream */ -/* */ -/* ------------------------------------------------------------------------- */ - -/* Incoming Bytes Event pipeline - - This section deals with decoding the incoming character stream. - Decoding means here, that the stream is first separated into `tokens' - which are then mapped to a `meaning' provided as operations by the - `Screen' class or by the emulation class itself. - - The pipeline proceeds as follows: - - - Tokenizing the ESC codes (onReceiveChar) - - VT100 code page translation of plain characters (applyCharset) - - Interpretation of ESC codes (tau) - - The escape codes and their meaning are described in the - technical reference of this program. -*/ - -// Tokens ------------------------------------------------------------------ -- - -/* - Since the tokens are the central notion if this section, we've put them - in front. They provide the syntactical elements used to represent the - terminals operations as byte sequences. - - They are encodes here into a single machine word, so that we can later - switch over them easily. Depending on the token itself, additional - argument variables are filled with parameter values. - - The tokens are defined below: - - - CHR - Printable characters (32..255 but DEL (=127)) - - CTL - Control characters (0..31 but ESC (= 27), DEL) - - ESC - Escape codes of the form <ESC><CHR but `[]()+*#'> - - ESC_DE - Escape codes of the form <ESC><any of `()+*#%'> C - - CSI_PN - Escape codes of the form <ESC>'[' {Pn} ';' {Pn} C - - CSI_PS - Escape codes of the form <ESC>'[' {Pn} ';' ... C - - CSI_PR - Escape codes of the form <ESC>'[' '?' {Pn} ';' ... C - - CSI_PE - Escape codes of the form <ESC>'[' '!' {Pn} ';' ... C - - VT52 - VT52 escape codes - - <ESC><Chr> - - <ESC>'Y'{Pc}{Pc} - - XTE_HA - Xterm hacks <ESC>`]' {Pn} `;' {Text} <BEL> - note that this is handled differently - - The last two forms allow list of arguments. Since the elements of - the lists are treated individually the same way, they are passed - as individual tokens to the interpretation. Further, because the - meaning of the parameters are names (althought represented as numbers), - they are includes within the token ('N'). - -*/ - -#define TY_CONSTR(T,A,N) ( ((((int)N) & 0xffff) << 16) | ((((int)A) & 0xff) << 8) | (((int)T) & 0xff) ) - -#define TY_CHR( ) TY_CONSTR(0,0,0) -#define TY_CTL(A ) TY_CONSTR(1,A,0) -#define TY_ESC(A ) TY_CONSTR(2,A,0) -#define TY_ESC_CS(A,B) TY_CONSTR(3,A,B) -#define TY_ESC_DE(A ) TY_CONSTR(4,A,0) -#define TY_CSI_PS(A,N) TY_CONSTR(5,A,N) -#define TY_CSI_PN(A ) TY_CONSTR(6,A,0) -#define TY_CSI_PR(A,N) TY_CONSTR(7,A,N) - -#define TY_VT52(A ) TY_CONSTR(8,A,0) - -#define TY_CSI_PG(A ) TY_CONSTR(9,A,0) - -#define TY_CSI_PE(A ) TY_CONSTR(10,A,0) - -// Tokenizer --------------------------------------------------------------- -- - -/* The tokenizers state - - The state is represented by the buffer (pbuf, ppos), - and accompanied by decoded arguments kept in (argv,argc). - Note that they are kept internal in the tokenizer. -*/ - -void Vt102Emulation::resetToken() -{ - ppos = 0; argc = 0; argv[0] = 0; argv[1] = 0; -} - -void Vt102Emulation::addDigit(int dig) -{ - argv[argc] = 10*argv[argc] + dig; -} - -void Vt102Emulation::addArgument() -{ - argc = qMin(argc+1,MAXARGS-1); - argv[argc] = 0; -} - -void Vt102Emulation::pushToToken(int cc) -{ - pbuf[ppos] = cc; - ppos = qMin(ppos+1,MAXPBUF-1); -} - -// Character Classes used while decoding - -#define CTL 1 -#define CHR 2 -#define CPN 4 -#define DIG 8 -#define SCS 16 -#define GRP 32 -#define CPS 64 - -void Vt102Emulation::initTokenizer() -{ int i; quint8* s; - for(i = 0; i < 256; i++) tbl[ i] = 0; - for(i = 0; i < 32; i++) tbl[ i] |= CTL; - for(i = 32; i < 256; i++) tbl[ i] |= CHR; - for(s = (quint8*)"@ABCDGHILMPSTXZcdfry"; *s; s++) tbl[*s] |= CPN; -// resize = \e[8;<row>;<col>t - for(s = (quint8*)"t"; *s; s++) tbl[*s] |= CPS; - for(s = (quint8*)"0123456789" ; *s; s++) tbl[*s] |= DIG; - for(s = (quint8*)"()+*%" ; *s; s++) tbl[*s] |= SCS; - for(s = (quint8*)"()+*#[]%" ; *s; s++) tbl[*s] |= GRP; - resetToken(); -} - -/* Ok, here comes the nasty part of the decoder. - - Instead of keeping an explicit state, we deduce it from the - token scanned so far. It is then immediately combined with - the current character to form a scanning decision. - - This is done by the following defines. - - - P is the length of the token scanned so far. - - L (often P-1) is the position on which contents we base a decision. - - C is a character or a group of characters (taken from 'tbl'). - - Note that they need to applied in proper order. -*/ - -#define lec(P,L,C) (p == (P) && s[(L)] == (C)) -#define lun( ) (p == 1 && cc >= 32 ) -#define les(P,L,C) (p == (P) && s[L] < 256 && (tbl[s[(L)]] & (C)) == (C)) -#define eec(C) (p >= 3 && cc == (C)) -#define ees(C) (p >= 3 && cc < 256 && (tbl[ cc ] & (C)) == (C)) -#define eps(C) (p >= 3 && s[2] != '?' && s[2] != '!' && s[2] != '>' && cc < 256 && (tbl[ cc ] & (C)) == (C)) -#define epp( ) (p >= 3 && s[2] == '?' ) -#define epe( ) (p >= 3 && s[2] == '!' ) -#define egt( ) (p >= 3 && s[2] == '>' ) -#define Xpe (ppos>=2 && pbuf[1] == ']' ) -#define Xte (Xpe && cc == 7 ) -#define ces(C) ( cc < 256 && (tbl[ cc ] & (C)) == (C) && !Xte) - -#define ESC 27 -#define CNTL(c) ((c)-'@') - -// process an incoming unicode character - -void Vt102Emulation::receiveChar(int cc) -{ - int i; - if (cc == 127) return; //VT100: ignore. - - if (ces( CTL)) - { // DEC HACK ALERT! Control Characters are allowed *within* esc sequences in VT100 - // This means, they do neither a resetToken nor a pushToToken. Some of them, do - // of course. Guess this originates from a weakly layered handling of the X-on - // X-off protocol, which comes really below this level. - if (cc == CNTL('X') || cc == CNTL('Z') || cc == ESC) resetToken(); //VT100: CAN or SUB - if (cc != ESC) { tau( TY_CTL(cc+'@' ), 0, 0); return; } - } - - pushToToken(cc); // advance the state - - int* s = pbuf; - int p = ppos; - - if (getMode(MODE_Ansi)) // decide on proper action - { - if (lec(1,0,ESC)) { return; } - if (lec(1,0,ESC+128)) { s[0] = ESC; receiveChar('['); return; } - if (les(2,1,GRP)) { return; } - if (Xte ) { XtermHack(); resetToken(); return; } - if (Xpe ) { return; } - if (lec(3,2,'?')) { return; } - if (lec(3,2,'>')) { return; } - if (lec(3,2,'!')) { return; } - if (lun( )) { tau( TY_CHR(), applyCharset(cc), 0); resetToken(); return; } - if (lec(2,0,ESC)) { tau( TY_ESC(s[1]), 0, 0); resetToken(); return; } - if (les(3,1,SCS)) { tau( TY_ESC_CS(s[1],s[2]), 0, 0); resetToken(); return; } - if (lec(3,1,'#')) { tau( TY_ESC_DE(s[2]), 0, 0); resetToken(); return; } - if (eps( CPN)) { tau( TY_CSI_PN(cc), argv[0],argv[1]); resetToken(); return; } - -// resize = \e[8;<row>;<col>t - if (eps( CPS)) { tau( TY_CSI_PS(cc, argv[0]), argv[1], argv[2]); resetToken(); return; } - - if (epe( )) { tau( TY_CSI_PE(cc), 0, 0); resetToken(); return; } - if (ees( DIG)) { addDigit(cc-'0'); return; } - if (eec( ';')) { addArgument(); return; } - for (i=0;i<=argc;i++) - if ( epp( )) { tau( TY_CSI_PR(cc,argv[i]), 0, 0); } - else if(egt( )) { tau( TY_CSI_PG(cc ), 0, 0); } // spec. case for ESC]>0c or ESC]>c - else if (cc == 'm' && argc - i >= 4 && (argv[i] == 38 || argv[i] == 48) && argv[i+1] == 2) - { // ESC[ ... 48;2;<red>;<green>;<blue> ... m -or- ESC[ ... 38;2;<red>;<green>;<blue> ... m - i += 2; - tau( TY_CSI_PS(cc, argv[i-2]), COLOR_SPACE_RGB, (argv[i] << 16) | (argv[i+1] << 8) | argv[i+2]); - i += 2; - } - else if (cc == 'm' && argc - i >= 2 && (argv[i] == 38 || argv[i] == 48) && argv[i+1] == 5) - { // ESC[ ... 48;5;<index> ... m -or- ESC[ ... 38;5;<index> ... m - i += 2; - tau( TY_CSI_PS(cc, argv[i-2]), COLOR_SPACE_256, argv[i]); - } - else { tau( TY_CSI_PS(cc,argv[i]), 0, 0); } - resetToken(); - } - else // mode VT52 - { - if (lec(1,0,ESC)) return; - if (les(1,0,CHR)) { tau( TY_CHR( ), s[0], 0); resetToken(); return; } - if (lec(2,1,'Y')) return; - if (lec(3,1,'Y')) return; - if (p < 4) { tau( TY_VT52(s[1] ), 0, 0); resetToken(); return; } - tau( TY_VT52(s[1] ), s[2],s[3]); resetToken(); return; - } -} - -void Vt102Emulation::XtermHack() -{ int i,arg = 0; - for (i = 2; i < ppos && '0'<=pbuf[i] && pbuf[i]<'9' ; i++) - arg = 10*arg + (pbuf[i]-'0'); - if (pbuf[i] != ';') { ReportErrorToken(); return; } - QChar *str = new QChar[ppos-i-2]; - for (int j = 0; j < ppos-i-2; j++) str[j] = pbuf[i+1+j]; - QString unistr(str,ppos-i-2); - - // arg == 1 doesn't change the title. In XTerm it only changes the icon name - // (btw: arg=0 changes title and icon, arg=1 only icon, arg=2 only title -// emit changeTitle(arg,unistr); - _pendingTitleUpdates[arg] = unistr; - _titleUpdateTimer->start(20); - - delete [] str; -} - -void Vt102Emulation::updateTitle() -{ - QListIterator<int> iter( _pendingTitleUpdates.keys() ); - while (iter.hasNext()) { - int arg = iter.next(); - emit titleChanged( arg , _pendingTitleUpdates[arg] ); - } - - _pendingTitleUpdates.clear(); -} - -// Interpreting Codes --------------------------------------------------------- - -/* - Now that the incoming character stream is properly tokenized, - meaning is assigned to them. These are either operations of - the current _screen, or of the emulation class itself. - - The token to be interpreteted comes in as a machine word - possibly accompanied by two parameters. - - Likewise, the operations assigned to, come with up to two - arguments. One could consider to make up a proper table - from the function below. - - The technical reference manual provides more information - about this mapping. -*/ - -void Vt102Emulation::tau( int token, int p, int q ) -{ -#if 0 -int N = (token>>0)&0xff; -int A = (token>>8)&0xff; -switch( N ) -{ - case 0: printf("%c", (p < 128) ? p : '?'); - break; - case 1: if (A == 'J') printf("\r"); - else if (A == 'M') printf("\n"); - else printf("CTL-%c ", (token>>8)&0xff); - break; - case 2: printf("ESC-%c ", (token>>8)&0xff); - break; - case 3: printf("ESC_CS-%c-%c ", (token>>8)&0xff, (token>>16)&0xff); - break; - case 4: printf("ESC_DE-%c ", (token>>8)&0xff); - break; - case 5: printf("CSI-PS-%c-%d", (token>>8)&0xff, (token>>16)&0xff ); - break; - case 6: printf("CSI-PN-%c [%d]", (token>>8)&0xff, p); - break; - case 7: printf("CSI-PR-%c-%d", (token>>8)&0xff, (token>>16)&0xff ); - break; - case 8: printf("VT52-%c", (token>>8)&0xff); - break; - case 9: printf("CSI-PG-%c", (token>>8)&0xff); - break; - case 10: printf("CSI-PE-%c", (token>>8)&0xff); - break; -} -#endif - - switch (token) - { - - case TY_CHR( ) : _currentScreen->ShowCharacter (p ); break; //UTF16 - - // 127 DEL : ignored on input - - case TY_CTL('@' ) : /* NUL: ignored */ break; - case TY_CTL('A' ) : /* SOH: ignored */ break; - case TY_CTL('B' ) : /* STX: ignored */ break; - case TY_CTL('C' ) : /* ETX: ignored */ break; - case TY_CTL('D' ) : /* EOT: ignored */ break; - case TY_CTL('E' ) : reportAnswerBack ( ); break; //VT100 - case TY_CTL('F' ) : /* ACK: ignored */ break; - case TY_CTL('G' ) : emit stateSet(NOTIFYBELL); - break; //VT100 - case TY_CTL('H' ) : _currentScreen->BackSpace ( ); break; //VT100 - case TY_CTL('I' ) : _currentScreen->Tabulate ( ); break; //VT100 - case TY_CTL('J' ) : _currentScreen->NewLine ( ); break; //VT100 - case TY_CTL('K' ) : _currentScreen->NewLine ( ); break; //VT100 - case TY_CTL('L' ) : _currentScreen->NewLine ( ); break; //VT100 - case TY_CTL('M' ) : _currentScreen->Return ( ); break; //VT100 - - case TY_CTL('N' ) : useCharset ( 1); break; //VT100 - case TY_CTL('O' ) : useCharset ( 0); break; //VT100 - - case TY_CTL('P' ) : /* DLE: ignored */ break; - case TY_CTL('Q' ) : /* DC1: XON continue */ break; //VT100 - case TY_CTL('R' ) : /* DC2: ignored */ break; - case TY_CTL('S' ) : /* DC3: XOFF halt */ break; //VT100 - case TY_CTL('T' ) : /* DC4: ignored */ break; - case TY_CTL('U' ) : /* NAK: ignored */ break; - case TY_CTL('V' ) : /* SYN: ignored */ break; - case TY_CTL('W' ) : /* ETB: ignored */ break; - case TY_CTL('X' ) : _currentScreen->ShowCharacter ( 0x2592); break; //VT100 - case TY_CTL('Y' ) : /* EM : ignored */ break; - case TY_CTL('Z' ) : _currentScreen->ShowCharacter ( 0x2592); break; //VT100 - case TY_CTL('[' ) : /* ESC: cannot be seen here. */ break; - case TY_CTL('\\' ) : /* FS : ignored */ break; - case TY_CTL(']' ) : /* GS : ignored */ break; - case TY_CTL('^' ) : /* RS : ignored */ break; - case TY_CTL('_' ) : /* US : ignored */ break; - - case TY_ESC('D' ) : _currentScreen->index ( ); break; //VT100 - case TY_ESC('E' ) : _currentScreen->NextLine ( ); break; //VT100 - case TY_ESC('H' ) : _currentScreen->changeTabStop (true ); break; //VT100 - case TY_ESC('M' ) : _currentScreen->reverseIndex ( ); break; //VT100 - case TY_ESC('Z' ) : reportTerminalType ( ); break; - case TY_ESC('c' ) : reset ( ); break; - - case TY_ESC('n' ) : useCharset ( 2); break; - case TY_ESC('o' ) : useCharset ( 3); break; - case TY_ESC('7' ) : saveCursor ( ); break; - case TY_ESC('8' ) : restoreCursor ( ); break; - - case TY_ESC('=' ) : setMode (MODE_AppKeyPad); break; - case TY_ESC('>' ) : resetMode (MODE_AppKeyPad); break; - case TY_ESC('<' ) : setMode (MODE_Ansi ); break; //VT100 - - case TY_ESC_CS('(', '0') : setCharset (0, '0'); break; //VT100 - case TY_ESC_CS('(', 'A') : setCharset (0, 'A'); break; //VT100 - case TY_ESC_CS('(', 'B') : setCharset (0, 'B'); break; //VT100 - - case TY_ESC_CS(')', '0') : setCharset (1, '0'); break; //VT100 - case TY_ESC_CS(')', 'A') : setCharset (1, 'A'); break; //VT100 - case TY_ESC_CS(')', 'B') : setCharset (1, 'B'); break; //VT100 - - case TY_ESC_CS('*', '0') : setCharset (2, '0'); break; //VT100 - case TY_ESC_CS('*', 'A') : setCharset (2, 'A'); break; //VT100 - case TY_ESC_CS('*', 'B') : setCharset (2, 'B'); break; //VT100 - - case TY_ESC_CS('+', '0') : setCharset (3, '0'); break; //VT100 - case TY_ESC_CS('+', 'A') : setCharset (3, 'A'); break; //VT100 - case TY_ESC_CS('+', 'B') : setCharset (3, 'B'); break; //VT100 - - case TY_ESC_CS('%', 'G') : setCodec (Utf8Codec ); break; //LINUX - case TY_ESC_CS('%', '@') : setCodec (LocaleCodec ); break; //LINUX - - case TY_ESC_DE('3' ) : /* Double height line, top half */ - _currentScreen->setLineProperty( LINE_DOUBLEWIDTH , true ); - _currentScreen->setLineProperty( LINE_DOUBLEHEIGHT , true ); - break; - case TY_ESC_DE('4' ) : /* Double height line, bottom half */ - _currentScreen->setLineProperty( LINE_DOUBLEWIDTH , true ); - _currentScreen->setLineProperty( LINE_DOUBLEHEIGHT , true ); - break; - case TY_ESC_DE('5' ) : /* Single width, single height line*/ - _currentScreen->setLineProperty( LINE_DOUBLEWIDTH , false); - _currentScreen->setLineProperty( LINE_DOUBLEHEIGHT , false); - break; - case TY_ESC_DE('6' ) : /* Double width, single height line*/ - _currentScreen->setLineProperty( LINE_DOUBLEWIDTH , true); - _currentScreen->setLineProperty( LINE_DOUBLEHEIGHT , false); - break; - case TY_ESC_DE('8' ) : _currentScreen->helpAlign ( ); break; - -// resize = \e[8;<row>;<col>t - case TY_CSI_PS('t', 8) : setImageSize( q /* colums */, p /* lines */ ); break; - -// change tab text color : \e[28;<color>t color: 0-16,777,215 - case TY_CSI_PS('t', 28) : emit changeTabTextColorRequest ( p ); break; - - case TY_CSI_PS('K', 0) : _currentScreen->clearToEndOfLine ( ); break; - case TY_CSI_PS('K', 1) : _currentScreen->clearToBeginOfLine ( ); break; - case TY_CSI_PS('K', 2) : _currentScreen->clearEntireLine ( ); break; - case TY_CSI_PS('J', 0) : _currentScreen->clearToEndOfScreen ( ); break; - case TY_CSI_PS('J', 1) : _currentScreen->clearToBeginOfScreen ( ); break; - case TY_CSI_PS('J', 2) : _currentScreen->clearEntireScreen ( ); break; - case TY_CSI_PS('g', 0) : _currentScreen->changeTabStop (false ); break; //VT100 - case TY_CSI_PS('g', 3) : _currentScreen->clearTabStops ( ); break; //VT100 - case TY_CSI_PS('h', 4) : _currentScreen-> setMode (MODE_Insert ); break; - case TY_CSI_PS('h', 20) : setMode (MODE_NewLine ); break; - case TY_CSI_PS('i', 0) : /* IGNORE: attached printer */ break; //VT100 - case TY_CSI_PS('l', 4) : _currentScreen-> resetMode (MODE_Insert ); break; - case TY_CSI_PS('l', 20) : resetMode (MODE_NewLine ); break; - case TY_CSI_PS('s', 0) : saveCursor ( ); break; - case TY_CSI_PS('u', 0) : restoreCursor ( ); break; - - case TY_CSI_PS('m', 0) : _currentScreen->setDefaultRendition ( ); break; - case TY_CSI_PS('m', 1) : _currentScreen-> setRendition (RE_BOLD ); break; //VT100 - case TY_CSI_PS('m', 4) : _currentScreen-> setRendition (RE_UNDERLINE); break; //VT100 - case TY_CSI_PS('m', 5) : _currentScreen-> setRendition (RE_BLINK ); break; //VT100 - case TY_CSI_PS('m', 7) : _currentScreen-> setRendition (RE_REVERSE ); break; - case TY_CSI_PS('m', 10) : /* IGNORED: mapping related */ break; //LINUX - case TY_CSI_PS('m', 11) : /* IGNORED: mapping related */ break; //LINUX - case TY_CSI_PS('m', 12) : /* IGNORED: mapping related */ break; //LINUX - case TY_CSI_PS('m', 22) : _currentScreen->resetRendition (RE_BOLD ); break; - case TY_CSI_PS('m', 24) : _currentScreen->resetRendition (RE_UNDERLINE); break; - case TY_CSI_PS('m', 25) : _currentScreen->resetRendition (RE_BLINK ); break; - case TY_CSI_PS('m', 27) : _currentScreen->resetRendition (RE_REVERSE ); break; - - case TY_CSI_PS('m', 30) : _currentScreen->setForeColor (COLOR_SPACE_SYSTEM, 0); break; - case TY_CSI_PS('m', 31) : _currentScreen->setForeColor (COLOR_SPACE_SYSTEM, 1); break; - case TY_CSI_PS('m', 32) : _currentScreen->setForeColor (COLOR_SPACE_SYSTEM, 2); break; - case TY_CSI_PS('m', 33) : _currentScreen->setForeColor (COLOR_SPACE_SYSTEM, 3); break; - case TY_CSI_PS('m', 34) : _currentScreen->setForeColor (COLOR_SPACE_SYSTEM, 4); break; - case TY_CSI_PS('m', 35) : _currentScreen->setForeColor (COLOR_SPACE_SYSTEM, 5); break; - case TY_CSI_PS('m', 36) : _currentScreen->setForeColor (COLOR_SPACE_SYSTEM, 6); break; - case TY_CSI_PS('m', 37) : _currentScreen->setForeColor (COLOR_SPACE_SYSTEM, 7); break; - - case TY_CSI_PS('m', 38) : _currentScreen->setForeColor (p, q); break; - - case TY_CSI_PS('m', 39) : _currentScreen->setForeColor (COLOR_SPACE_DEFAULT, 0); break; - - case TY_CSI_PS('m', 40) : _currentScreen->setBackColor (COLOR_SPACE_SYSTEM, 0); break; - case TY_CSI_PS('m', 41) : _currentScreen->setBackColor (COLOR_SPACE_SYSTEM, 1); break; - case TY_CSI_PS('m', 42) : _currentScreen->setBackColor (COLOR_SPACE_SYSTEM, 2); break; - case TY_CSI_PS('m', 43) : _currentScreen->setBackColor (COLOR_SPACE_SYSTEM, 3); break; - case TY_CSI_PS('m', 44) : _currentScreen->setBackColor (COLOR_SPACE_SYSTEM, 4); break; - case TY_CSI_PS('m', 45) : _currentScreen->setBackColor (COLOR_SPACE_SYSTEM, 5); break; - case TY_CSI_PS('m', 46) : _currentScreen->setBackColor (COLOR_SPACE_SYSTEM, 6); break; - case TY_CSI_PS('m', 47) : _currentScreen->setBackColor (COLOR_SPACE_SYSTEM, 7); break; - - case TY_CSI_PS('m', 48) : _currentScreen->setBackColor (p, q); break; - - case TY_CSI_PS('m', 49) : _currentScreen->setBackColor (COLOR_SPACE_DEFAULT, 1); break; - - case TY_CSI_PS('m', 90) : _currentScreen->setForeColor (COLOR_SPACE_SYSTEM, 8); break; - case TY_CSI_PS('m', 91) : _currentScreen->setForeColor (COLOR_SPACE_SYSTEM, 9); break; - case TY_CSI_PS('m', 92) : _currentScreen->setForeColor (COLOR_SPACE_SYSTEM, 10); break; - case TY_CSI_PS('m', 93) : _currentScreen->setForeColor (COLOR_SPACE_SYSTEM, 11); break; - case TY_CSI_PS('m', 94) : _currentScreen->setForeColor (COLOR_SPACE_SYSTEM, 12); break; - case TY_CSI_PS('m', 95) : _currentScreen->setForeColor (COLOR_SPACE_SYSTEM, 13); break; - case TY_CSI_PS('m', 96) : _currentScreen->setForeColor (COLOR_SPACE_SYSTEM, 14); break; - case TY_CSI_PS('m', 97) : _currentScreen->setForeColor (COLOR_SPACE_SYSTEM, 15); break; - - case TY_CSI_PS('m', 100) : _currentScreen->setBackColor (COLOR_SPACE_SYSTEM, 8); break; - case TY_CSI_PS('m', 101) : _currentScreen->setBackColor (COLOR_SPACE_SYSTEM, 9); break; - case TY_CSI_PS('m', 102) : _currentScreen->setBackColor (COLOR_SPACE_SYSTEM, 10); break; - case TY_CSI_PS('m', 103) : _currentScreen->setBackColor (COLOR_SPACE_SYSTEM, 11); break; - case TY_CSI_PS('m', 104) : _currentScreen->setBackColor (COLOR_SPACE_SYSTEM, 12); break; - case TY_CSI_PS('m', 105) : _currentScreen->setBackColor (COLOR_SPACE_SYSTEM, 13); break; - case TY_CSI_PS('m', 106) : _currentScreen->setBackColor (COLOR_SPACE_SYSTEM, 14); break; - case TY_CSI_PS('m', 107) : _currentScreen->setBackColor (COLOR_SPACE_SYSTEM, 15); break; - - case TY_CSI_PS('n', 5) : reportStatus ( ); break; - case TY_CSI_PS('n', 6) : reportCursorPosition ( ); break; - case TY_CSI_PS('q', 0) : /* IGNORED: LEDs off */ break; //VT100 - case TY_CSI_PS('q', 1) : /* IGNORED: LED1 on */ break; //VT100 - case TY_CSI_PS('q', 2) : /* IGNORED: LED2 on */ break; //VT100 - case TY_CSI_PS('q', 3) : /* IGNORED: LED3 on */ break; //VT100 - case TY_CSI_PS('q', 4) : /* IGNORED: LED4 on */ break; //VT100 - case TY_CSI_PS('x', 0) : reportTerminalParms ( 2); break; //VT100 - case TY_CSI_PS('x', 1) : reportTerminalParms ( 3); break; //VT100 - - case TY_CSI_PN('@' ) : _currentScreen->insertChars (p ); break; - case TY_CSI_PN('A' ) : _currentScreen->cursorUp (p ); break; //VT100 - case TY_CSI_PN('B' ) : _currentScreen->cursorDown (p ); break; //VT100 - case TY_CSI_PN('C' ) : _currentScreen->cursorRight (p ); break; //VT100 - case TY_CSI_PN('D' ) : _currentScreen->cursorLeft (p ); break; //VT100 - case TY_CSI_PN('G' ) : _currentScreen->setCursorX (p ); break; //LINUX - case TY_CSI_PN('H' ) : _currentScreen->setCursorYX (p, q); break; //VT100 - case TY_CSI_PN('I' ) : _currentScreen->Tabulate (p ); break; - case TY_CSI_PN('L' ) : _currentScreen->insertLines (p ); break; - case TY_CSI_PN('M' ) : _currentScreen->deleteLines (p ); break; - case TY_CSI_PN('P' ) : _currentScreen->deleteChars (p ); break; - case TY_CSI_PN('S' ) : _currentScreen->scrollUp (p ); break; - case TY_CSI_PN('T' ) : _currentScreen->scrollDown (p ); break; - case TY_CSI_PN('X' ) : _currentScreen->eraseChars (p ); break; - case TY_CSI_PN('Z' ) : _currentScreen->backTabulate (p ); break; - case TY_CSI_PN('c' ) : reportTerminalType ( ); break; //VT100 - case TY_CSI_PN('d' ) : _currentScreen->setCursorY (p ); break; //LINUX - case TY_CSI_PN('f' ) : _currentScreen->setCursorYX (p, q); break; //VT100 - case TY_CSI_PN('r' ) : setMargins (p, q); break; //VT100 - case TY_CSI_PN('y' ) : /* IGNORED: Confidence test */ break; //VT100 - - case TY_CSI_PR('h', 1) : setMode (MODE_AppCuKeys); break; //VT100 - case TY_CSI_PR('l', 1) : resetMode (MODE_AppCuKeys); break; //VT100 - case TY_CSI_PR('s', 1) : saveMode (MODE_AppCuKeys); break; //FIXME - case TY_CSI_PR('r', 1) : restoreMode (MODE_AppCuKeys); break; //FIXME - - case TY_CSI_PR('l', 2) : resetMode (MODE_Ansi ); break; //VT100 - - case TY_CSI_PR('h', 3) : clearScreenAndSetColumns(132); break; //VT100 - case TY_CSI_PR('l', 3) : clearScreenAndSetColumns(80); break; //VT100 - - case TY_CSI_PR('h', 4) : /* IGNORED: soft scrolling */ break; //VT100 - case TY_CSI_PR('l', 4) : /* IGNORED: soft scrolling */ break; //VT100 - - case TY_CSI_PR('h', 5) : _currentScreen-> setMode (MODE_Screen ); break; //VT100 - case TY_CSI_PR('l', 5) : _currentScreen-> resetMode (MODE_Screen ); break; //VT100 - - case TY_CSI_PR('h', 6) : _currentScreen-> setMode (MODE_Origin ); break; //VT100 - case TY_CSI_PR('l', 6) : _currentScreen-> resetMode (MODE_Origin ); break; //VT100 - case TY_CSI_PR('s', 6) : _currentScreen-> saveMode (MODE_Origin ); break; //FIXME - case TY_CSI_PR('r', 6) : _currentScreen->restoreMode (MODE_Origin ); break; //FIXME - - case TY_CSI_PR('h', 7) : _currentScreen-> setMode (MODE_Wrap ); break; //VT100 - case TY_CSI_PR('l', 7) : _currentScreen-> resetMode (MODE_Wrap ); break; //VT100 - case TY_CSI_PR('s', 7) : _currentScreen-> saveMode (MODE_Wrap ); break; //FIXME - case TY_CSI_PR('r', 7) : _currentScreen->restoreMode (MODE_Wrap ); break; //FIXME - - case TY_CSI_PR('h', 8) : /* IGNORED: autorepeat on */ break; //VT100 - case TY_CSI_PR('l', 8) : /* IGNORED: autorepeat off */ break; //VT100 - case TY_CSI_PR('s', 8) : /* IGNORED: autorepeat on */ break; //VT100 - case TY_CSI_PR('r', 8) : /* IGNORED: autorepeat off */ break; //VT100 - - case TY_CSI_PR('h', 9) : /* IGNORED: interlace */ break; //VT100 - case TY_CSI_PR('l', 9) : /* IGNORED: interlace */ break; //VT100 - case TY_CSI_PR('s', 9) : /* IGNORED: interlace */ break; //VT100 - case TY_CSI_PR('r', 9) : /* IGNORED: interlace */ break; //VT100 - - case TY_CSI_PR('h', 12) : /* IGNORED: Cursor blink */ break; //att610 - case TY_CSI_PR('l', 12) : /* IGNORED: Cursor blink */ break; //att610 - case TY_CSI_PR('s', 12) : /* IGNORED: Cursor blink */ break; //att610 - case TY_CSI_PR('r', 12) : /* IGNORED: Cursor blink */ break; //att610 - - case TY_CSI_PR('h', 25) : setMode (MODE_Cursor ); break; //VT100 - case TY_CSI_PR('l', 25) : resetMode (MODE_Cursor ); break; //VT100 - case TY_CSI_PR('s', 25) : saveMode (MODE_Cursor ); break; //VT100 - case TY_CSI_PR('r', 25) : restoreMode (MODE_Cursor ); break; //VT100 - - case TY_CSI_PR('h', 41) : /* IGNORED: obsolete more(1) fix */ break; //XTERM - case TY_CSI_PR('l', 41) : /* IGNORED: obsolete more(1) fix */ break; //XTERM - case TY_CSI_PR('s', 41) : /* IGNORED: obsolete more(1) fix */ break; //XTERM - case TY_CSI_PR('r', 41) : /* IGNORED: obsolete more(1) fix */ break; //XTERM - - case TY_CSI_PR('h', 47) : setMode (MODE_AppScreen); break; //VT100 - case TY_CSI_PR('l', 47) : resetMode (MODE_AppScreen); break; //VT100 - case TY_CSI_PR('s', 47) : saveMode (MODE_AppScreen); break; //XTERM - case TY_CSI_PR('r', 47) : restoreMode (MODE_AppScreen); break; //XTERM - - case TY_CSI_PR('h', 67) : /* IGNORED: DECBKM */ break; //XTERM - case TY_CSI_PR('l', 67) : /* IGNORED: DECBKM */ break; //XTERM - case TY_CSI_PR('s', 67) : /* IGNORED: DECBKM */ break; //XTERM - case TY_CSI_PR('r', 67) : /* IGNORED: DECBKM */ break; //XTERM - - // XTerm defines the following modes: - // SET_VT200_MOUSE 1000 - // SET_VT200_HIGHLIGHT_MOUSE 1001 - // SET_BTN_EVENT_MOUSE 1002 - // SET_ANY_EVENT_MOUSE 1003 - // - - //Note about mouse modes: - //There are four mouse modes which xterm-compatible terminals can support - 1000,1001,1002,1003 - //Konsole currently supports mode 1000 (basic mouse press and release) and mode 1002 (dragging the mouse). - //TODO: Implementation of mouse modes 1001 (something called hilight tracking) and - //1003 (a slight variation on dragging the mouse) - // - - case TY_CSI_PR('h', 1000) : setMode (MODE_Mouse1000); break; //XTERM - case TY_CSI_PR('l', 1000) : resetMode (MODE_Mouse1000); break; //XTERM - case TY_CSI_PR('s', 1000) : saveMode (MODE_Mouse1000); break; //XTERM - case TY_CSI_PR('r', 1000) : restoreMode (MODE_Mouse1000); break; //XTERM - - case TY_CSI_PR('h', 1001) : /* IGNORED: hilite mouse tracking */ break; //XTERM - case TY_CSI_PR('l', 1001) : resetMode (MODE_Mouse1001); break; //XTERM - case TY_CSI_PR('s', 1001) : /* IGNORED: hilite mouse tracking */ break; //XTERM - case TY_CSI_PR('r', 1001) : /* IGNORED: hilite mouse tracking */ break; //XTERM - - case TY_CSI_PR('h', 1002) : setMode (MODE_Mouse1002); break; //XTERM - case TY_CSI_PR('l', 1002) : resetMode (MODE_Mouse1002); break; //XTERM - case TY_CSI_PR('s', 1002) : saveMode (MODE_Mouse1002); break; //XTERM - case TY_CSI_PR('r', 1002) : restoreMode (MODE_Mouse1002); break; //XTERM - - case TY_CSI_PR('h', 1003) : setMode (MODE_Mouse1003); break; //XTERM - case TY_CSI_PR('l', 1003) : resetMode (MODE_Mouse1003); break; //XTERM - case TY_CSI_PR('s', 1003) : saveMode (MODE_Mouse1003); break; //XTERM - case TY_CSI_PR('r', 1003) : restoreMode (MODE_Mouse1003); break; //XTERM - - case TY_CSI_PR('h', 1047) : setMode (MODE_AppScreen); break; //XTERM - case TY_CSI_PR('l', 1047) : _screen[1]->clearEntireScreen(); resetMode(MODE_AppScreen); break; //XTERM - case TY_CSI_PR('s', 1047) : saveMode (MODE_AppScreen); break; //XTERM - case TY_CSI_PR('r', 1047) : restoreMode (MODE_AppScreen); break; //XTERM - - //FIXME: Unitoken: save translations - case TY_CSI_PR('h', 1048) : saveCursor ( ); break; //XTERM - case TY_CSI_PR('l', 1048) : restoreCursor ( ); break; //XTERM - case TY_CSI_PR('s', 1048) : saveCursor ( ); break; //XTERM - case TY_CSI_PR('r', 1048) : restoreCursor ( ); break; //XTERM - - //FIXME: every once new sequences like this pop up in xterm. - // Here's a guess of what they could mean. - case TY_CSI_PR('h', 1049) : saveCursor(); _screen[1]->clearEntireScreen(); setMode(MODE_AppScreen); break; //XTERM - case TY_CSI_PR('l', 1049) : resetMode(MODE_AppScreen); restoreCursor(); break; //XTERM - - //FIXME: weird DEC reset sequence - case TY_CSI_PE('p' ) : /* IGNORED: reset ( ) */ break; - - //FIXME: when changing between vt52 and ansi mode evtl do some resetting. - case TY_VT52('A' ) : _currentScreen->cursorUp ( 1); break; //VT52 - case TY_VT52('B' ) : _currentScreen->cursorDown ( 1); break; //VT52 - case TY_VT52('C' ) : _currentScreen->cursorRight ( 1); break; //VT52 - case TY_VT52('D' ) : _currentScreen->cursorLeft ( 1); break; //VT52 - - case TY_VT52('F' ) : setAndUseCharset (0, '0'); break; //VT52 - case TY_VT52('G' ) : setAndUseCharset (0, 'B'); break; //VT52 - - case TY_VT52('H' ) : _currentScreen->setCursorYX (1,1 ); break; //VT52 - case TY_VT52('I' ) : _currentScreen->reverseIndex ( ); break; //VT52 - case TY_VT52('J' ) : _currentScreen->clearToEndOfScreen ( ); break; //VT52 - case TY_VT52('K' ) : _currentScreen->clearToEndOfLine ( ); break; //VT52 - case TY_VT52('Y' ) : _currentScreen->setCursorYX (p-31,q-31 ); break; //VT52 - case TY_VT52('Z' ) : reportTerminalType ( ); break; //VT52 - case TY_VT52('<' ) : setMode (MODE_Ansi ); break; //VT52 - case TY_VT52('=' ) : setMode (MODE_AppKeyPad); break; //VT52 - case TY_VT52('>' ) : resetMode (MODE_AppKeyPad); break; //VT52 - - case TY_CSI_PG('c' ) : reportSecondaryAttributes( ); break; //VT100 - - default : ReportErrorToken(); break; - }; -} - -void Vt102Emulation::clearScreenAndSetColumns(int columnCount) -{ - setImageSize(_currentScreen->getLines(),columnCount); - clearEntireScreen(); - setDefaultMargins(); - _currentScreen->setCursorYX(0,0); -} - -/* ------------------------------------------------------------------------- */ -/* */ -/* Terminal to Host protocol */ -/* */ -/* ------------------------------------------------------------------------- */ - -/* - Outgoing bytes originate from several sources: - - - Replies to Enquieries. - - Mouse Events - - Keyboard Events -*/ - -/*! -*/ - -void Vt102Emulation::sendString(const char* s , int length) -{ - if ( length >= 0 ) - emit sendData(s,length); - else - emit sendData(s,strlen(s)); -} - -// Replies ----------------------------------------------------------------- -- - -// This section copes with replies send as response to an enquiery control code. - -/*! -*/ - -void Vt102Emulation::reportCursorPosition() -{ char tmp[20]; - sprintf(tmp,"\033[%d;%dR",_currentScreen->getCursorY()+1,_currentScreen->getCursorX()+1); - sendString(tmp); -} - -/* - What follows here is rather obsolete and faked stuff. - The correspondent enquieries are neverthenless issued. -*/ - -/*! -*/ - -void Vt102Emulation::reportTerminalType() -{ - // Primary device attribute response (Request was: ^[[0c or ^[[c (from TT321 Users Guide)) - // VT220: ^[[?63;1;2;3;6;7;8c (list deps on emul. capabilities) - // VT100: ^[[?1;2c - // VT101: ^[[?1;0c - // VT102: ^[[?6v - if (getMode(MODE_Ansi)) - sendString("\033[?1;2c"); // I'm a VT100 - else - sendString("\033/Z"); // I'm a VT52 -} - -void Vt102Emulation::reportSecondaryAttributes() -{ - // Seconday device attribute response (Request was: ^[[>0c or ^[[>c) - if (getMode(MODE_Ansi)) - sendString("\033[>0;115;0c"); // Why 115? ;) - else - sendString("\033/Z"); // FIXME I don't think VT52 knows about it but kept for - // konsoles backward compatibility. -} - -void Vt102Emulation::reportTerminalParms(int p) -// DECREPTPARM -{ char tmp[100]; - sprintf(tmp,"\033[%d;1;1;112;112;1;0x",p); // not really true. - sendString(tmp); -} - -/*! -*/ - -void Vt102Emulation::reportStatus() -{ - sendString("\033[0n"); //VT100. Device status report. 0 = Ready. -} - -/*! -*/ - -#define ANSWER_BACK "" // This is really obsolete VT100 stuff. - -void Vt102Emulation::reportAnswerBack() -{ - sendString(ANSWER_BACK); -} - -// Mouse Handling ---------------------------------------------------------- -- - -/*! - Mouse clicks are possibly reported to the client - application if it has issued interest in them. - They are normally consumed by the widget for copy - and paste, but may be propagated from the widget - when gui->setMouseMarks is set via setMode(MODE_Mouse1000). - - `x',`y' are 1-based. - `ev' (event) indicates the button pressed (0-2) - or a general mouse release (3). - - eventType represents the kind of mouse action that occurred: - 0 = Mouse button press or release - 1 = Mouse drag -*/ - -void Vt102Emulation::sendMouseEvent( int cb, int cx, int cy , int eventType ) -{ char tmp[20]; - if ( cx<1 || cy<1 ) return; - // normal buttons are passed as 0x20 + button, - // mouse wheel (buttons 4,5) as 0x5c + button - if (cb >= 4) cb += 0x3c; - - //Mouse motion handling - if ( (getMode(MODE_Mouse1002) || getMode(MODE_Mouse1003)) && eventType == 1 ) - cb += 0x20; //add 32 to signify motion event - - sprintf(tmp,"\033[M%c%c%c",cb+0x20,cx+0x20,cy+0x20); - sendString(tmp); -} - -// Keyboard Handling ------------------------------------------------------- -- - -#define encodeMode(M,B) BITS(B,getMode(M)) -#define encodeStat(M,B) BITS(B,((ev->modifiers() & (M)) == (M))) - -void Vt102Emulation::sendText( const QString& text ) -{ - if (!text.isEmpty()) { - QKeyEvent event(QEvent::KeyPress, - 0, - Qt::NoModifier, - text); - sendKeyEvent(&event); // expose as a big fat keypress event - } - -} - -void Vt102Emulation::sendKeyEvent( QKeyEvent* event ) -{ - Qt::KeyboardModifiers modifiers = event->modifiers(); - KeyboardTranslator::States states = KeyboardTranslator::NoState; - - // get current states - if ( getMode(MODE_NewLine) ) states |= KeyboardTranslator::NewLineState; - if ( getMode(MODE_Ansi) ) states |= KeyboardTranslator::AnsiState; - if ( getMode(MODE_AppCuKeys)) states |= KeyboardTranslator::CursorKeysState; - if ( getMode(MODE_AppScreen)) states |= KeyboardTranslator::AlternateScreenState; - - // lookup key binding - if ( _keyTranslator ) - { - KeyboardTranslator::Entry entry = _keyTranslator->findEntry( - event->key() , - modifiers, - states ); - - // send result to terminal - QByteArray textToSend; - - // special handling for the Alt (aka. Meta) modifier. pressing - // Alt+[Character] results in Esc+[Character] being sent - // (unless there is an entry defined for this particular combination - // in the keyboard modifier) - bool wantsAltModifier = entry.modifiers() & entry.modifierMask() & Qt::AltModifier; - bool wantsAnyModifier = entry.state() & entry.stateMask() & KeyboardTranslator::AnyModifierState; - - if ( modifiers & Qt::AltModifier && !(wantsAltModifier || wantsAnyModifier) - && !event->text().isEmpty() ) - { - textToSend.prepend("\033"); - } - - if ( entry.command() != KeyboardTranslator::NoCommand ) - { - if (entry.command() & KeyboardTranslator::EraseCommand) - textToSend += getErase(); - // TODO command handling - } - else if ( !entry.text().isEmpty() ) - { - textToSend += _codec->fromUnicode(entry.text(true,modifiers)); - } - else - textToSend += _codec->fromUnicode(event->text()); - - sendData( textToSend.constData() , textToSend.length() ); - } - else - { - // print an error message to the terminal if no key translator has been - // set - QString translatorError = ("No keyboard translator available. " - "The information needed to convert key presses " - "into characters to send to the terminal " - "is missing."); - - reset(); - receiveData( translatorError.toAscii().constData() , translatorError.count() ); - } -} - -/* ------------------------------------------------------------------------- */ -/* */ -/* VT100 Charsets */ -/* */ -/* ------------------------------------------------------------------------- */ - -// Character Set Conversion ------------------------------------------------ -- - -/* - The processing contains a VT100 specific code translation layer. - It's still in use and mainly responsible for the line drawing graphics. - - These and some other glyphs are assigned to codes (0x5f-0xfe) - normally occupied by the latin letters. Since this codes also - appear within control sequences, the extra code conversion - does not permute with the tokenizer and is placed behind it - in the pipeline. It only applies to tokens, which represent - plain characters. - - This conversion it eventually continued in TerminalDisplay.C, since - it might involve VT100 enhanced fonts, which have these - particular glyphs allocated in (0x00-0x1f) in their code page. -*/ - -#define CHARSET _charset[_currentScreen==_screen[1]] - -// Apply current character map. - -unsigned short Vt102Emulation::applyCharset(unsigned short c) -{ - if (CHARSET.graphic && 0x5f <= c && c <= 0x7e) return vt100_graphics[c-0x5f]; - if (CHARSET.pound && c == '#' ) return 0xa3; //This mode is obsolete - return c; -} - -/* - "Charset" related part of the emulation state. - This configures the VT100 _charset filter. - - While most operation work on the current _screen, - the following two are different. -*/ - -void Vt102Emulation::resetCharset(int scrno) -{ - _charset[scrno].cu_cs = 0; - strncpy(_charset[scrno].charset,"BBBB",4); - _charset[scrno].sa_graphic = false; - _charset[scrno].sa_pound = false; - _charset[scrno].graphic = false; - _charset[scrno].pound = false; -} - -void Vt102Emulation::setCharset(int n, int cs) // on both screens. -{ - _charset[0].charset[n&3] = cs; useCharset(_charset[0].cu_cs); - _charset[1].charset[n&3] = cs; useCharset(_charset[1].cu_cs); -} - -void Vt102Emulation::setAndUseCharset(int n, int cs) -{ - CHARSET.charset[n&3] = cs; - useCharset(n&3); -} - -void Vt102Emulation::useCharset(int n) -{ - CHARSET.cu_cs = n&3; - CHARSET.graphic = (CHARSET.charset[n&3] == '0'); - CHARSET.pound = (CHARSET.charset[n&3] == 'A'); //This mode is obsolete -} - -void Vt102Emulation::setDefaultMargins() -{ - _screen[0]->setDefaultMargins(); - _screen[1]->setDefaultMargins(); -} - -void Vt102Emulation::setMargins(int t, int b) -{ - _screen[0]->setMargins(t, b); - _screen[1]->setMargins(t, b); -} - -/*! Save the cursor position and the rendition attribute settings. */ - -void Vt102Emulation::saveCursor() -{ - CHARSET.sa_graphic = CHARSET.graphic; - CHARSET.sa_pound = CHARSET.pound; //This mode is obsolete - // we are not clear about these - //sa_charset = charsets[cScreen->_charset]; - //sa_charset_num = cScreen->_charset; - _currentScreen->saveCursor(); -} - -/*! Restore the cursor position and the rendition attribute settings. */ - -void Vt102Emulation::restoreCursor() -{ - CHARSET.graphic = CHARSET.sa_graphic; - CHARSET.pound = CHARSET.sa_pound; //This mode is obsolete - _currentScreen->restoreCursor(); -} - -/* ------------------------------------------------------------------------- */ -/* */ -/* Mode Operations */ -/* */ -/* ------------------------------------------------------------------------- */ - -/* - Some of the emulations state is either added to the state of the screens. - - This causes some scoping problems, since different emulations choose to - located the mode either to the current _screen or to both. - - For strange reasons, the extend of the rendition attributes ranges over - all screens and not over the actual _screen. - - We decided on the precise precise extend, somehow. -*/ - -// "Mode" related part of the state. These are all booleans. - -void Vt102Emulation::resetModes() -{ - resetMode(MODE_Mouse1000); saveMode(MODE_Mouse1000); - resetMode(MODE_Mouse1001); saveMode(MODE_Mouse1001); - resetMode(MODE_Mouse1002); saveMode(MODE_Mouse1002); - resetMode(MODE_Mouse1003); saveMode(MODE_Mouse1003); - - resetMode(MODE_AppScreen); saveMode(MODE_AppScreen); - // here come obsolete modes - resetMode(MODE_AppCuKeys); saveMode(MODE_AppCuKeys); - resetMode(MODE_NewLine ); - setMode(MODE_Ansi ); -} - -void Vt102Emulation::setMode(int m) -{ - _currParm.mode[m] = true; - switch (m) - { - case MODE_Mouse1000: - case MODE_Mouse1001: - case MODE_Mouse1002: - case MODE_Mouse1003: - emit programUsesMouseChanged(false); - break; - - case MODE_AppScreen : _screen[1]->clearSelection(); - setScreen(1); - break; - } - if (m < MODES_SCREEN || m == MODE_NewLine) - { - _screen[0]->setMode(m); - _screen[1]->setMode(m); - } -} - -void Vt102Emulation::resetMode(int m) -{ - _currParm.mode[m] = false; - switch (m) - { - case MODE_Mouse1000 : - case MODE_Mouse1001 : - case MODE_Mouse1002 : - case MODE_Mouse1003 : - emit programUsesMouseChanged(true); - break; - - case MODE_AppScreen : _screen[0]->clearSelection(); - setScreen(0); - break; - } - if (m < MODES_SCREEN || m == MODE_NewLine) - { - _screen[0]->resetMode(m); - _screen[1]->resetMode(m); - } -} - -void Vt102Emulation::saveMode(int m) -{ - _saveParm.mode[m] = _currParm.mode[m]; -} - -void Vt102Emulation::restoreMode(int m) -{ - if (_saveParm.mode[m]) - setMode(m); - else - resetMode(m); -} - -bool Vt102Emulation::getMode(int m) -{ - return _currParm.mode[m]; -} - -char Vt102Emulation::getErase() const -{ - KeyboardTranslator::Entry entry = _keyTranslator->findEntry( - Qt::Key_Backspace, - 0, - 0); - if ( entry.text().count() > 0 ) - return entry.text()[0]; - else - return '\b'; -} - -/* ------------------------------------------------------------------------- */ -/* */ -/* Diagnostic */ -/* */ -/* ------------------------------------------------------------------------- */ - -/*! shows the contents of the scan buffer. - - This functions is used for diagnostics. It is called by \e ReportErrorToken - to inform about strings that cannot be decoded or handled by the emulation. - - \sa ReportErrorToken -*/ - -static void hexdump(int* s, int len) -{ int i; - for (i = 0; i < len; i++) - { - if (s[i] == '\\') - printf("\\\\"); - else - if ((s[i]) > 32 && s[i] < 127) - printf("%c",s[i]); - else - printf("\\%04x(hex)",s[i]); - } -} - -void Vt102Emulation::scan_buffer_report() -{ - if (ppos == 0 || ppos == 1 && (pbuf[0] & 0xff) >= 32) return; - printf("token: "); hexdump(pbuf,ppos); printf("\n"); -} - -/*! -*/ - -void Vt102Emulation::ReportErrorToken() -{ -#ifndef NDEBUG - printf("undecodable "); scan_buffer_report(); -#endif -} - -//#include "moc_Vt102Emulation.cpp" - |