/* C K O Q N X . C -- QNX Emulation */ /* Author: Jeffrey Altman , Secure Endpoints Inc., New York City. Copyright (C) 1985, 2004, Trustees of Columbia University in the City of New York. */ #include "ckcdeb.h" #ifndef NOTERM #ifdef NT #include #else /* NT */ #include #undef COMMENT #endif /* NT */ #include "ckcker.h" #include "ckcasc.h" #include "ckuusr.h" #include "ckocon.h" #include "ckoqnx.h" #include "ckcuni.h" void clrscreen( BYTE vmode, CHAR fillchar ); /* ckoco3.c */ extern bool keyclick ; extern int cursorena[], keylock, duplex, duplex_sav, screenon ; extern int printon, aprint, cprint, uprint, xprint, seslog ; extern int insertmode, tnlm, decssdt ; extern int escstate, debses, decscnm, tt_cursor ; extern int tt_type, tt_type_mode, tt_max, tt_answer, tt_status[VNUM], tt_szchng[] ; extern int tt_cols[], tt_rows[], tt_wrap, tt_modechg ; extern int wherex[], wherey[] ; extern int marginbell, marginbellcol ; extern char answerback[], htab[] ; extern struct tt_info_rec tt_info[] ; extern vtattrib attrib, savedattrib[] ; extern cell_video_attr_t attribute, defaultattribute; extern cell_video_attr_t savedattribute[], saveddefaultattribute[]; extern char * udkfkeys[]; extern int tt_senddata; extern struct _vtG G[4]; extern struct _vtG *GL,*GR; extern int tt_hidattr; extern int protect ; extern int autoscroll ; extern int writeprotect ; extern int linelock ; extern int attrmode ; extern int wy_keymode ; extern int wy_enhanced ; extern int wy_widthclr ; extern int wy_autopage ; extern int wy_nullsuppress ; extern int wy_monitor ; int qnxinc(void) { extern int pmask, cmask; extern int tt_utf8; int ch; loop: ch = ttinc(0); if ( ch < 0 ) return ch; if ( seslog ) logchar(ch); /* Handle the UTF8 conversion if we are in that mode */ if ( tt_utf8 ) { USHORT * ucs2 = NULL; int rc = utf8_to_ucs2( (CHAR)(ch & 0xFF), &ucs2 ); if ( rc > 0 ) goto loop; else if ( rc < 0 ) ch = 0xfffd; else ch = *ucs2; } if ( !xprint ) { #ifndef NOXFER autodown(ch); #endif /* NOXFER */ autoexitchk(ch); } ch = ch & pmask & cmask; debugses(ch); if (printon && (is_xprint() || is_uprint())) prtchar(ch); return ch; } void qnxattroff( void ) { attrib.blinking = FALSE; /* No blink */ attrib.bold = FALSE; /* No bold */ attrib.invisible = FALSE; /* Visible */ attrib.underlined = FALSE; /* No underline */ attrib.reversed = FALSE; /* No reverse video */ attrib.unerasable = FALSE; /* Erasable */ attrib.graphic = FALSE ; /* Not graphic character */ attrib.dim = FALSE ; /* No dim */ } void qnxctrl( int ch ) { int i; /*,j,x,y; */ extern vscrn_t vscrn[]; switch ( ch ) { case ETX: if ( debses ) break; break; case EOT: if ( debses ) break; break; case ENQ: if ( debses ) break; break; case ACK: if ( debses ) break; break; case BEL: if ( debses ) break; bleep(BP_BEL); break; case BS: if ( debses ) break; /* wraps to previous line from left margin */ /* wraps to bottom right from upper left */ wrtch(BS); break; case HT: if ( debses ) break; i = wherex[VTERM]; if (i < vscrn_c_page_margin_right(VTERM)) { do { i++; cursorright(0); } while ((htab[i] != 'T') && (i <= vscrn_c_page_margin_right(VTERM)-1)); } if ( i == vscrn_c_page_margin_right(VTERM) ) { wrtch(CK_CR); wrtch(LF); } VscrnIsDirty(VTERM); break; case LF: if ( debses ) break; wrtch(LF); break; case VT: if ( debses ) break; break; case FF: if ( debses ) break; /* clear screen to Fill color and home cursor */ clrscreen(VTERM,SP); lgotoxy(VTERM,1,1); /* and home the cursor */ break; case CK_CR: if ( debses ) break; wrtch(CK_CR); break; case SO: if ( debses ) break; break; case SI: if ( debses ) break; break; case DLE: if ( debses ) break; break; case DC1: break; case DC2: if ( debses ) break; case DC3: break; case DC4: if ( debses ) break; break; case NAK: if ( debses ) break; break; case SYN: if ( debses ) break; break; case ETB: if ( debses ) break; break; case CAN: if ( debses ) break; break; case XEM: break; case SUB: if ( debses ) break; break; case ESC: /* initiate escape sequence */ escstate = ES_GOTESC ; break; case XRS: if ( debses ) break; break; case US: if ( debses ) break; break; } } void qnxascii( int ch ) { /* int i,j,k,n,x,y,z; vtattrib attr={0,0,0,0,0,0,0,0,0,0,0} ; */ viocell blankvcell; extern vscrn_t vscrn[]; if (printon && (is_xprint() || is_uprint())) prtchar(ch); if ( escstate == ES_GOTESC )/* Process character as part of an escstate sequence */ { if ( ch <= SP ) { /* Print character as graphic */ escstate = ES_NORMAL ; debug(F111,"QNX","Display character as graphic",ch); wrtch(ch); } else { escstate = ES_ESCSEQ ; switch ( ch ) { case '!': { /* Set the fill color used for blank lines when scrolling */ /* and for clearscreen when FF is received. */ /* '0'=black, blue, green, cyan, red, magenta, brown, white */ int fg = qnxinc(); int bg = qnxinc(); debug(F110,"QNX","Set the Fill Color",0); if ( debses ) break; if ( bg < '0' || bg >= '8' || fg < '0' || fg >= '8' ) break; defaultattribute = cell_video_attr_set_colors((fg-'0'), (bg-'0')); break; } case '"': break; case '#': break; case '$': break; case '%': break; case '&': break; case '\'': break; case '(': /* Turn on Reverse attribute */ debug(F110,"QNX","Turn on Reverse attribute",0); if ( debses ) break; attrib.reversed = TRUE; break; case ')': /* Turn off Reverse Attribute */ debug(F110,"QNX","Turn off Reverse attribute",0); if ( debses ) break; attrib.reversed = FALSE; break; case '*': break; case '+': break; case ',': break; case '-': break; case '.': break; case '/': break; case '0': break; case '1': break; case '2': break; case '3': break; case '4': break; case '5': break; case '6': break; case '7': break; case '8': break; case '9': break; case ':': break; case ';': break; case '<': /* Turn on Bold */ debug(F110,"QNX","Turn on Bold",0); if ( debses ) break; attrib.bold = TRUE; break; case '=': { /* Position Cursor */ int row = qnxinc() - 31; int col = qnxinc() - 31; debug(F110,"QNX","Address cursor to row col",0); if ( debses ) break; lgotoxy(VTERM,col,row); break; } case '>': /* Turn off Bold */ debug(F110,"QNX","Turn off Bold",0); if ( debses ) break; attrib.bold = FALSE; break; case '?': break; case '@': { /* Define fg,bg colors of the display characters */ int fg = qnxinc(); int bg = qnxinc(); debug(F110,"QNX","Set the Display Colors",0); if ( debses ) break; if ( fg < '0' || fg >= '8' || bg < '0' || bg >= '8' ) break; attribute = cell_video_attr_set_colors((fg-'0'), (bg-'0')); break; } case 'A': /* Cursor Up */ debug(F110,"QNX","Cursor Up (no wrap)",0); if ( debses ) break; cursorup(0); break; case 'B': /* Cursor Down */ debug(F110,"QNX","Cursor Down (no wrap)",0); if ( debses ) break; cursordown(0); break; case 'C': /* Cursor Right (no wrap)*/ debug(F110,"QNX","Cursor Right (no wrap)",0); if ( debses ) break; cursorright(0); break; case 'D': /* Cursor Left (no wrap)*/ debug(F110,"QNX","Cursor Left (no wrap)",0); if ( debses ) break; cursorleft(0); break; case 'E': /* Insert Line */ debug(F110,"QNX","Insert Line",0); if ( debses ) break; VscrnScroll(VTERM, DOWNWARD, wherey[VTERM] - 1, vscrn_c_page_margin_bot(VTERM) - 1, 1, FALSE, SP, FALSE); break; case 'F': /* Delete Line */ debug(F110,"QNX","Delete Line",0); if ( debses ) break; VscrnScroll(VTERM, UPWARD, wherey[VTERM] - 1, vscrn_c_page_margin_bot(VTERM) - 1, 1, FALSE, SP, FALSE); break; case 'G': break; case 'H': /* Cursor Home */ debug(F110,"QNX","Home Cursor",0); if ( debses ) break; lgotoxy(VTERM,1,1); break; case 'I': /* Reverse Line Feed */ debug(F110,"QNX","Reverse Line Feed",0); if ( debses ) break; if (vscrn_c_page_margin_top(VTERM) == wherey[VTERM]) VscrnScroll(VTERM, DOWNWARD, vscrn_c_page_margin_top(VTERM) - 1, vscrn_c_page_margin_bot(VTERM) - 1, 1, FALSE, SP, FALSE ); else cursorup(0); break; case 'J': /* Clear Display with SP */ /* use Fill Color */ debug(F110,"QNX","Clear to EOS",0); clreoscr_escape(VTERM,SP); break; case 'K': /* Erase to End of Line with SP */ /* use Fill Color */ debug(F110,"QNX","Clear to EOL",0); if ( debses ) break; clrtoeoln(VTERM,SP); break; case 'L': break; case 'M': break; case 'N': break; case 'O': break; case 'P': break; case 'Q': break; case 'R': /* Restore Color and Attribute Information */ debug(F110,"QNX","Restore Colors and Attributes",0); if ( debses ) break; attrib = savedattrib[VTERM]; attribute = savedattribute[VTERM]; defaultattribute = saveddefaultattribute[VTERM]; break; case 'S': /* Save Color and Attribute Information */ /* save attribute, fill color, and attrib */ debug(F110,"QNX","Save Colors and Attributes",0); if ( debses ) break; savedattrib[VTERM] = attrib; savedattribute[VTERM] = attribute; saveddefaultattribute[VTERM] = defaultattribute; break; case 'T': break; case 'U': break; case 'V': break; case 'W': /* From Relisys terminals */ debug(F110,"QNX","Transparent Print On",0); if ( debses ) break; xprint = TRUE ; if ( !printon ) printeron() ; break; case 'X': /* From Relisys terminals */ debug(F110,"QNX","Print Off",0); if ( debses ) break; xprint = cprint = FALSE ; setaprint(FALSE); if ( !uprint && !xprint && !cprint && !aprint && printon ) printeroff(); break; case 'Y': { /* Position Cursor */ int row = qnxinc() - 31; int col = qnxinc() - 31; debug(F110,"QNX","Address cursor to row col",0); if ( debses ) break; lgotoxy(VTERM,col,row); break; } case 'Z': break; case '[': /* Turn on underline */ debug(F110,"QNX","Turn on Underline",0); if ( debses ) break; attrib.underlined = TRUE; break; case '\\': break; case ']': /* Turn off underline */ debug(F110,"QNX","Turn off Underline",0); if ( debses ) break; attrib.underlined = FALSE; break; case '^': break; case '_': break; case '`': break; case 'a': /* Cursor Up with wrap */ debug(F110,"QNX","Cursor Up (wrap)",0); if ( debses ) break; cursorup(1); break; case 'b': /* Cursor Down with wrap */ debug(F110,"QNX","Cursor Down (wrap)",0); if ( debses ) break; cursordown(1); break; case 'c': /* Cursor Right with wrap */ debug(F110,"QNX","Cursor Right (wrap)",0); if ( debses ) break; cursorright(1); break; case 'd': /* Cursor Left with wrap */ debug(F110,"QNX","Cursor Left (wrap)",0); if ( debses ) break; cursorleft(1); break; case 'e': /* Inserts a space. */ debug(F110,"QNX","Insert SP",0); if ( debses ) break; blankvcell.c = SP; blankvcell.video_attr = attribute; VscrnScrollRt(VTERM, wherey[VTERM] - 1, wherex[VTERM] - 1, wherey[VTERM] - 1, VscrnGetWidth(VTERM) - 1, 1, blankvcell); break; case 'f': /* Deletes a character */ debug(F110,"QNX","Delete a char",0); if ( debses ) break; blankvcell.c = SP; blankvcell.video_attr = attribute; VscrnScrollLf(VTERM, wherey[VTERM] - 1, wherex[VTERM] - 1, wherey[VTERM] - 1, VscrnGetWidth(VTERM) - 1, 1, blankvcell) ; break; case 'g': { /* Repeat character */ int n = qnxinc() - SP; int c = rtolxlat(qnxinc()); debug(F110,"QNX","Repeat character",0); if ( debses ) break; while ( n-- ) wrtch(c); break; } case 'h': /* Auto wrap on */ debug(F110,"QNX","Auto wrap on",0); if ( debses ) break; tt_wrap = TRUE; break; case 'i': /* Auto wrap off */ debug(F110,"QNX","Auto wrap off",0); if ( debses ) break; tt_wrap = FALSE; break; case 'j': break; case 'k': break; case 'l': break; case 'm': break; case 'n': break; case 'o': break; case 'p': case 'q': case 'r': case 's': case 't': case 'u': case 'v': case 'w': case 'x': break; case 'y': { /* set cursor type */ int c = qnxinc(); debug(F110,"QNX","Define cursor type",0); if ( debses ) break; switch ( c ) { case '0': /* no cursor */ cursorena[VTERM] = FALSE ; break; case '1': /* line cursor */ tt_cursor = TTC_ULINE ; setcursormode() ; cursorena[VTERM] = TRUE ; break; case '2': /* block cursor */ tt_cursor = TTC_BLOCK ; setcursormode() ; cursorena[VTERM] = TRUE ; break; } break; } case 'z': break; case '{': /* Turn blinking on */ debug(F110,"QNX","Turn blinking on",0); if ( debses ) break; attrib.blinking = TRUE; break; case '|': break; case '}': /* Turn blinking off */ debug(F110,"QNX","Turn blinking off",0); if ( debses ) break; attrib.blinking = FALSE; break; case '~': break; case DEL: break; } escstate = ES_NORMAL ; /* Done parsing escstate sequence */ } } else /* Handle as a normal character */ { if ( ch < SP || ch == DEL ) qnxctrl(ch) ; else if ( !debses ) { /* Display the character */ wrtch(ch); } } VscrnIsDirty(VTERM) ; } #endif /* NOTERM */