Diffstat (limited to 'noncore/apps/opie-console/vt102emulation.cpp') (more/less context) (show whitespace changes)
| -rw-r--r-- | noncore/apps/opie-console/vt102emulation.cpp | 1024 |
1 files changed, 0 insertions, 1024 deletions
diff --git a/noncore/apps/opie-console/vt102emulation.cpp b/noncore/apps/opie-console/vt102emulation.cpp deleted file mode 100644 index 35b789c..0000000 --- a/noncore/apps/opie-console/vt102emulation.cpp +++ b/dev/null @@ -1,1024 +0,0 @@ -/* ------------------------------------------------------------------------- */ -/* */ -/* [vt102emulation.cpp] VT102 Terminal Emulation */ -/* */ -/* ------------------------------------------------------------------------- */ -/* */ -/* Copyright (c) 1997,1998 by Lars Doelle <lars.doelle@on-line.de> */ -/* */ -/* This file is part of Konsole - an X terminal for KDE */ -/* */ -/* ------------------------------------------------------------------------- */ -/* */ -/* Ported Konsole to Qt/Embedded */ -/* */ -/* Copyright (C) 2000 by John Ryland <jryland@trolltech.com> */ -/* */ -/* -------------------------------------------------------------------------- */ - -/*! \class Vt102Emulation - - \brief Actual Emulation for Konsole - - \sa Widget \sa Screen \sa EmulationLayer -*/ - -#include "vt102emulation.h" - -#include <stdio.h> -#include <unistd.h> - - -/* 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 */ -/* */ -/* ------------------------------------------------------------------------- */ - -/* - Nothing really intesting happens here. -*/ - -/*! -*/ - -Vt102Emulation::Vt102Emulation(WidgetLayer* gui) : EmulationLayer(gui) -{ - QObject::connect(gui,SIGNAL(mouseSignal(int,int,int)), - this,SLOT(onMouse(int,int,int))); - initTokenizer(); - reset(); -} - -/*! -*/ - -Vt102Emulation::~Vt102Emulation() -{ -} - -/*! -*/ - -void Vt102Emulation::reset() -{ - resetToken(); - resetModes(); - resetCharset(0); screen[0]->reset(); - resetCharset(1); screen[0]->reset(); - setCodec(0); - setKeytrans("linux.keytab"); -} - -/* ------------------------------------------------------------------------- */ -/* */ -/* 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 seperated into `tokens' - which are then mapped to a `meaning' provided as operations by the - `TEScreen' class or by the emulation class itself. - - The pipeline proceeds as follows: - - - Tokenizing the ESC codes (onRcvChar) - - 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 - - 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) - -// 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 - -void Vt102Emulation::initTokenizer() -{ int i; UINT8* 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 = (UINT8*)"@ABCDGHLMPXcdfry"; *s; s++) tbl[*s] |= CPN; - for(s = (UINT8*)"0123456789" ; *s; s++) tbl[*s] |= DIG; - for(s = (UINT8*)"()+*%" ; *s; s++) tbl[*s] |= SCS; - for(s = (UINT8*)"()+*#[]%" ; *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] != '?' && cc < 256 && (tbl[ cc ] & (C)) == (C)) -#define epp( ) (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::onRcvChar(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 (les(2,1,GRP)) { return; } - if (Xte ) { XtermHack(); resetToken(); return; } - if (Xpe ) { 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 (egt( )) { tau( TY_CSI_PG(cc ), '>', 0); resetToken(); return; } - if (eps( CPN)) { tau( TY_CSI_PN(cc), argv[0],argv[1]); 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 - 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 - if (arg == 0 || arg == 2) emit changeTitle(arg,unistr); - delete [] str; -} - -// 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 informations - about this mapping. -*/ - -void Vt102Emulation::tau( int token, int p, int q ) -{ -//scan_buffer_report(); -//if (token == TY_CHR___()) printf("%c",p); else -//printf("tau(%d,%d,%d, %d,%d)\n",(token>>0)&0xff,(token>>8)&0xff,(token>>16)&0xffff,p,q); - switch (token) - { - - case TY_CHR___( ) : scr->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' ) : gui->bell ( ); break; //VT100 - case TY_CTL___('H' ) : scr->BackSpace ( ); break; //VT100 - case TY_CTL___('I' ) : scr->Tabulate ( ); break; //VT100 - case TY_CTL___('J' ) : scr->NewLine ( ); break; //VT100 - case TY_CTL___('K' ) : scr->NewLine ( ); break; //VT100 - case TY_CTL___('L' ) : scr->NewLine ( ); break; //VT100 - case TY_CTL___('M' ) : scr->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' ) : scr->ShowCharacter ( 0x2592); break; //VT100 - case TY_CTL___('Y' ) : /* EM : ignored */ break; - case TY_CTL___('Z' ) : scr->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' ) : scr->index ( ); break; //VT100 - case TY_ESC___('E' ) : scr->NextLine ( ); break; //VT100 - case TY_ESC___('H' ) : scr->changeTabStop (TRUE ); break; //VT100 - case TY_ESC___('M' ) : scr->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 (1 ); break; //LINUX - case TY_ESC_CS('%', '@') : setCodec (0 ); break; //LINUX - - case TY_ESC_DE('3' ) : /* IGNORED: double high, top half */ break; - case TY_ESC_DE('4' ) : /* IGNORED: double high, bottom half */ break; - case TY_ESC_DE('5' ) : /* IGNORED: single width, single high*/ break; - case TY_ESC_DE('6' ) : /* IGNORED: double width, single high*/ break; - case TY_ESC_DE('8' ) : scr->helpAlign ( ); break; - - case TY_CSI_PS('K', 0) : scr->clearToEndOfLine ( ); break; - case TY_CSI_PS('K', 1) : scr->clearToBeginOfLine ( ); break; - case TY_CSI_PS('K', 2) : scr->clearEntireLine ( ); break; - case TY_CSI_PS('J', 0) : scr->clearToEndOfScreen ( ); break; - case TY_CSI_PS('J', 1) : scr->clearToBeginOfScreen ( ); break; - case TY_CSI_PS('J', 2) : scr->clearEntireScreen ( ); break; - case TY_CSI_PS('g', 0) : scr->changeTabStop (FALSE ); break; //VT100 - case TY_CSI_PS('g', 3) : scr->clearTabStops ( ); break; //VT100 - case TY_CSI_PS('h', 4) : scr-> 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) : scr-> resetMode (MODE_Insert ); break; - case TY_CSI_PS('l', 20) : resetMode (MODE_NewLine ); break; - - case TY_CSI_PS('m', 0) : scr->setDefaultRendition ( ); break; - case TY_CSI_PS('m', 1) : scr-> setRendition (RE_BOLD ); break; //VT100 - case TY_CSI_PS('m', 4) : scr-> setRendition (RE_UNDERLINE); break; //VT100 - case TY_CSI_PS('m', 5) : scr-> setRendition (RE_BLINK ); break; //VT100 - case TY_CSI_PS('m', 7) : scr-> 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) : scr->resetRendition (RE_BOLD ); break; - case TY_CSI_PS('m', 24) : scr->resetRendition (RE_UNDERLINE); break; - case TY_CSI_PS('m', 25) : scr->resetRendition (RE_BLINK ); break; - case TY_CSI_PS('m', 27) : scr->resetRendition (RE_REVERSE ); break; - - case TY_CSI_PS('m', 30) : scr->setForeColor ( 0); break; - case TY_CSI_PS('m', 31) : scr->setForeColor ( 1); break; - case TY_CSI_PS('m', 32) : scr->setForeColor ( 2); break; - case TY_CSI_PS('m', 33) : scr->setForeColor ( 3); break; - case TY_CSI_PS('m', 34) : scr->setForeColor ( 4); break; - case TY_CSI_PS('m', 35) : scr->setForeColor ( 5); break; - case TY_CSI_PS('m', 36) : scr->setForeColor ( 6); break; - case TY_CSI_PS('m', 37) : scr->setForeColor ( 7); break; - case TY_CSI_PS('m', 39) : scr->setForeColorToDefault( ); break; - - case TY_CSI_PS('m', 40) : scr->setBackColor ( 0); break; - case TY_CSI_PS('m', 41) : scr->setBackColor ( 1); break; - case TY_CSI_PS('m', 42) : scr->setBackColor ( 2); break; - case TY_CSI_PS('m', 43) : scr->setBackColor ( 3); break; - case TY_CSI_PS('m', 44) : scr->setBackColor ( 4); break; - case TY_CSI_PS('m', 45) : scr->setBackColor ( 5); break; - case TY_CSI_PS('m', 46) : scr->setBackColor ( 6); break; - case TY_CSI_PS('m', 47) : scr->setBackColor ( 7); break; - case TY_CSI_PS('m', 49) : scr->setBackColorToDefault( ); break; - - case TY_CSI_PS('m', 90) : scr->setForeColor ( 8); break; - case TY_CSI_PS('m', 91) : scr->setForeColor ( 9); break; - case TY_CSI_PS('m', 92) : scr->setForeColor ( 10); break; - case TY_CSI_PS('m', 93) : scr->setForeColor ( 11); break; - case TY_CSI_PS('m', 94) : scr->setForeColor ( 12); break; - case TY_CSI_PS('m', 95) : scr->setForeColor ( 13); break; - case TY_CSI_PS('m', 96) : scr->setForeColor ( 14); break; - case TY_CSI_PS('m', 97) : scr->setForeColor ( 15); break; - - case TY_CSI_PS('m', 100) : scr->setBackColor ( 8); break; - case TY_CSI_PS('m', 101) : scr->setBackColor ( 9); break; - case TY_CSI_PS('m', 102) : scr->setBackColor ( 10); break; - case TY_CSI_PS('m', 103) : scr->setBackColor ( 11); break; - case TY_CSI_PS('m', 104) : scr->setBackColor ( 12); break; - case TY_CSI_PS('m', 105) : scr->setBackColor ( 13); break; - case TY_CSI_PS('m', 106) : scr->setBackColor ( 14); break; - case TY_CSI_PS('m', 107) : scr->setBackColor ( 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('@' ) : scr->insertChars (p ); break; - case TY_CSI_PN('A' ) : scr->cursorUp (p ); break; //VT100 - case TY_CSI_PN('B' ) : scr->cursorDown (p ); break; //VT100 - case TY_CSI_PN('C' ) : scr->cursorRight (p ); break; //VT100 - case TY_CSI_PN('D' ) : scr->cursorLeft (p ); break; //VT100 - case TY_CSI_PN('G' ) : scr->setCursorX (p ); break; //LINUX - case TY_CSI_PN('H' ) : scr->setCursorYX (p, q); break; //VT100 - case TY_CSI_PN('L' ) : scr->insertLines (p ); break; - case TY_CSI_PN('M' ) : scr->deleteLines (p ); break; - case TY_CSI_PN('P' ) : scr->deleteChars (p ); break; - case TY_CSI_PN('X' ) : scr->eraseChars (p ); break; - case TY_CSI_PN('c' ) : reportTerminalType ( ); break; //VT100 - case TY_CSI_PN('d' ) : scr->setCursorY (p ); break; //LINUX - case TY_CSI_PN('f' ) : scr->setCursorYX (p, q); break; //VT100 - case TY_CSI_PN('r' ) : scr->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) : setColumns ( 132); break; //VT100 - case TY_CSI_PR('l', 3) : setColumns ( 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) : scr-> setMode (MODE_Screen ); break; //VT100 - case TY_CSI_PR('l', 5) : scr-> resetMode (MODE_Screen ); break; //VT100 - - case TY_CSI_PR('h', 6) : scr-> setMode (MODE_Origin ); break; //VT100 - case TY_CSI_PR('l', 6) : scr-> resetMode (MODE_Origin ); break; //VT100 - case TY_CSI_PR('s', 6) : scr-> saveMode (MODE_Origin ); break; //FIXME - case TY_CSI_PR('r', 6) : scr->restoreMode (MODE_Origin ); break; //FIXME - - case TY_CSI_PR('h', 7) : scr-> setMode (MODE_Wrap ); break; //VT100 - case TY_CSI_PR('l', 7) : scr-> resetMode (MODE_Wrap ); break; //VT100 - case TY_CSI_PR('s', 7) : scr-> saveMode (MODE_Wrap ); break; //FIXME - case TY_CSI_PR('r', 7) : scr->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('h', 9) : /* IGNORED: interlace */ break; //VT100 - case TY_CSI_PR('l', 9) : /* IGNORED: interlace */ break; //VT100 - - 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('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('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) : /* IGNORED: hilite mouse tracking */ 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', 1047) : setMode (MODE_AppScreen); break; //XTERM - case TY_CSI_PR('l', 1047) : resetMode (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 - - //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) : setMode (MODE_AppScreen); break; //XTERM - case TY_CSI_PR('l', 1049) : resetMode (MODE_AppScreen); break; //XTERM - - //FIXME: when changing between vt52 and ansi mode evtl do some resetting. - case TY_VT52__('A' ) : scr->cursorUp ( 1); break; //VT52 - case TY_VT52__('B' ) : scr->cursorDown ( 1); break; //VT52 - case TY_VT52__('C' ) : scr->cursorRight ( 1); break; //VT52 - case TY_VT52__('D' ) : scr->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' ) : scr->setCursorYX (1,1 ); break; //VT52 - case TY_VT52__('I' ) : scr->reverseIndex ( ); break; //VT52 - case TY_VT52__('J' ) : scr->clearToEndOfScreen ( ); break; //VT52 - case TY_VT52__('K' ) : scr->clearToEndOfLine ( ); break; //VT52 - case TY_VT52__('Y' ) : scr->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 - - default : ReportErrorToken(); break; - }; -} - -/* ------------------------------------------------------------------------- */ -/* */ -/* Terminal to Host protocol */ -/* */ -/* ------------------------------------------------------------------------- */ - -/* - Outgoing bytes originate from several sources: - - - Replies to Enquieries. - - Mouse Events - - Keyboard Events -*/ - -/*! -*/ - -void Vt102Emulation::sendString(const char* s) -{ - QByteArray tmp; - tmp.setRawData( s, strlen( s )); - emit sndBlock( tmp); -} - -void Vt102Emulation::sendString(const QByteArray& s) -{ - emit sndBlock( 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",scr->getCursorY()+1,scr->getCursorX()+1); - sendString(tmp); -} - -/* - What follows here is rather obsolete and faked stuff. - The correspondent enquieries are neverthenless issued. -*/ - -/*! -*/ - -void Vt102Emulation::reportTerminalType() -{ -//FIXME: should change? - if (getMode(MODE_Ansi)) -// sendString("\033[?1;2c"); // I'm a VT100 with AP0 //FIXME: send only in response to ^[[0c - sendString("\033[>0;115;0c"); // I'm a VT220 //FIXME: send only in response to ^[[>c - else - sendString("\033/Z"); // I'm a VT52 -} - -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). -*/ - -void Vt102Emulation::onMouse( int cb, int cx, int cy ) -{ char tmp[20]; - if (!connected) return; - sprintf(tmp,"\033[M%c%c%c",cb+040,cx+040,cy+040); - sendString(tmp); -} - -// Keyboard Handling ------------------------------------------------------- -- - -#define encodeMode(M,B) BITS(B,getMode(M)) -#define encodeStat(M,B) BITS(B,((ev->state() & (M)) == (M))) - -/* - Keyboard event handling has been simplified somewhat by pushing - the complications towards a configuration file [see KeyTrans class]. -*/ - -void Vt102Emulation::onKeyPress( QKeyEvent* ev ) -{ - if (!connected) return; // someone else gets the keys - -//printf("State/Key: 0x%04x 0x%04x (%d,%d)\n",ev->state(),ev->key(),ev->text().length(),ev->text().length()?ev->text().ascii()[0]:0); - - // revert to non-history when typing - if (scr->getHistCursor() != scr->getHistLines()); - scr->setHistCursor(scr->getHistLines()); - - // lookup in keyboard translation table ... - int cmd; const char* txt; int len; - if (keytrans->findEntry(ev->key(), encodeMode(MODE_NewLine , BITS_NewLine ) + // OLD, - encodeMode(MODE_Ansi , BITS_Ansi ) + // OBSOLETE, - encodeMode(MODE_AppCuKeys, BITS_AppCuKeys ) + // VT100 stuff - encodeStat(ControlButton , BITS_Control ) + - encodeStat(ShiftButton , BITS_Shift ) + - encodeStat(AltButton , BITS_Alt ), - &cmd, &txt, &len )) -//printf("cmd: %d, %s, %d\n",cmd,txt,len); - { - switch(cmd) // ... and execute if found. - { - case CMD_emitSelection : gui->insertSelection(); return; - case CMD_scrollPageUp : gui->scroll(-gui->lines()/2); return; - case CMD_scrollPageDown : gui->scroll(+gui->lines()/2); return; - case CMD_scrollLineUp : gui->scroll(-1 ); return; - case CMD_scrollLineDown : gui->scroll(+1 ); return; - case CMD_send : sendString( txt ); return; - case CMD_prevSession : emit prevSession(); return; - case CMD_nextSession : emit nextSession(); return; - } - } - // fall back handling - if (!ev->text().isEmpty()) - { - if (ev->state() & AltButton) sendString("\033"); // ESC, this is the ALT prefix - /// very hacky - if ((ev->state() & ControlButton) && (ev->text().upper().ascii()[0]=='A')) sendString("\01"); - else if ((ev->state() & ControlButton) && (ev->text().upper().ascii()[0]=='B')) sendString("\02"); - else if ((ev->state() & ControlButton) && (ev->text().upper().ascii()[0]=='C')) sendString("\03"); - else if ((ev->state() & ControlButton) && (ev->text().upper().ascii()[0]=='D')) sendString("\04"); - else if ((ev->state() & ControlButton) && (ev->text().upper().ascii()[0]=='E')) sendString("\05"); - else if ((ev->state() & ControlButton) && (ev->text().upper().ascii()[0]=='F')) sendString("\06"); - else if ((ev->state() & ControlButton) && (ev->text().upper().ascii()[0]=='G')) sendString("\07"); - else if ((ev->state() & ControlButton) && (ev->text().upper().ascii()[0]=='H')) sendString("\010"); - else if ((ev->state() & ControlButton) && (ev->text().upper().ascii()[0]=='I')) sendString("\011"); - else if ((ev->state() & ControlButton) && (ev->text().upper().ascii()[0]=='J')) sendString("\012"); - else if ((ev->state() & ControlButton) && (ev->text().upper().ascii()[0]=='K')) sendString("\013"); - else if ((ev->state() & ControlButton) && (ev->text().upper().ascii()[0]=='L')) sendString("\014"); - else if ((ev->state() & ControlButton) && (ev->text().upper().ascii()[0]=='M')) sendString("\015"); - else if ((ev->state() & ControlButton) && (ev->text().upper().ascii()[0]=='N')) sendString("\016"); - else if ((ev->state() & ControlButton) && (ev->text().upper().ascii()[0]=='O')) sendString("\017"); - else if ((ev->state() & ControlButton) && (ev->text().upper().ascii()[0]=='P')) sendString("\020"); - else if ((ev->state() & ControlButton) && (ev->text().upper().ascii()[0]=='Q')) sendString("\021"); - else if ((ev->state() & ControlButton) && (ev->text().upper().ascii()[0]=='R')) sendString("\022"); - else if ((ev->state() & ControlButton) && (ev->text().upper().ascii()[0]=='S')) sendString("\023"); - else if ((ev->state() & ControlButton) && (ev->text().upper().ascii()[0]=='T')) sendString("\024"); - else if ((ev->state() & ControlButton) && (ev->text().upper().ascii()[0]=='U')) sendString("\025"); - else if ((ev->state() & ControlButton) && (ev->text().upper().ascii()[0]=='V')) sendString("\026"); - else if ((ev->state() & ControlButton) && (ev->text().upper().ascii()[0]=='W')) sendString("\027"); - else if ((ev->state() & ControlButton) && (ev->text().upper().ascii()[0]=='X')) sendString("\030"); - else if ((ev->state() & ControlButton) && (ev->text().upper().ascii()[0]=='Y')) sendString("\031"); - else if ((ev->state() & ControlButton) && (ev->text().upper().ascii()[0]=='Z')) sendString("\032"); - else - { - QCString s = codec->fromUnicode(ev->text()); // encode for application - sendString( s ); // we may well have s.length() > 1 - } - return; - } -} - -/* ------------------------------------------------------------------------- */ -/* */ -/* 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 TEWidget.C, since - it might involve VT100 enhanced fonts, which have these - particular glyphs allocated in (0x00-0x1f) in their code page. -*/ - -#define CHARSET charset[scr==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 -} - -/*! 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; - scr->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 - scr->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_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 : //gui->setMouseMarks(FALSE); - break; - case MODE_AppScreen : screen[1]->clearSelection(); - screen[1]->clearEntireScreen(); - 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 : //gui->setMouseMarks(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]; -} - -void Vt102Emulation::setConnect(bool c) -{ - EmulationLayer::setConnect(c); - if (c) - { // refresh mouse mode - if (getMode(MODE_Mouse1000)) - setMode(MODE_Mouse1000); - else - resetMode(MODE_Mouse1000); - } -} - -/* ------------------------------------------------------------------------- */ -/* */ -/* 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() -{ - printf("undecodable "); scan_buffer_report(); -} |