#if !defined(lint) && !defined(DOS) static char rcsid[] = "$Id: main.c,v 4.59 1999/01/20 17:27:09 mikes Exp $"; #endif /* * Program: Main stand-alone Pine Composer routines * * * Michael Seibel * Networks and Distributed Computing * Computing and Communications * University of Washington * Administration Builiding, AG-44 * Seattle, Washington, 98195, USA * Internet: mikes@cac.washington.edu * * Please address all bugs and comments to "pine-bugs@cac.washington.edu" * * * Pine and Pico are registered trademarks of the University of Washington. * No commercial use of these trademarks may be made without prior written * permission of the University of Washington. * * Pine, Pico, and Pilot software and its included text are Copyright * 1989-1999 by the University of Washington. * * The full text of our legal notices is contained in the file called * CPYRIGHT, included with this distribution. * * * WEEMACS/PICO NOTES: * * 08 Jan 92 - removed PINE defines to simplify compiling * * 08 Apr 92 - removed PINE stub calls * */ #include "headers.h" /* * Useful internal prototypes */ #ifdef _WINDOWS int pico_file_drop PROTO((int, int, char *)); #endif /* * this isn't defined in the library, because it's a pine global * which we use for GetKey's timeout */ int timeoutset = 0; /* * function key mappings */ static int fkm[12][2] = { { F1, (CTRL|'G')}, { F2, (CTRL|'X')}, { F3, (CTRL|'O')}, { F4, (CTRL|'J')}, { F5, (CTRL|'R')}, { F6, (CTRL|'W')}, { F7, (CTRL|'Y')}, { F8, (CTRL|'V')}, { F9, (CTRL|'K')}, { F10, (CTRL|'U')}, { F11, (CTRL|'C')}, #ifdef SPELLER { F12, (CTRL|'T')} #else { F12, (CTRL|'D')} #endif }; char *pico_args PROTO((int, char **, int *, int *)); void pico_args_help PROTO((void)); void pico_display_args_err PROTO((char *, char **, int)); char args_pico_missing_flag[] = "unknown flag \"%c\""; char args_pico_missing_arg[] = "missing or empty argument to \"%c\" flag"; char args_pico_missing_num[] = "non numeric argument for \"%c\" flag"; char args_pico_missing_color[] = "missing color for \"%s\" flag"; char *args_pico_args[] = { "Possible Starting Arguments for Pico editor:", "", "\tArgument\t\tMeaning", "\t -e \t\tComplete - allow file name completion", "\t -k \t\tCut - let ^K cut from cursor position to end of line", "\t -j \t\tGoto - allow 'Goto' command in file browser", "\t -g \t\tShow - show cursor in file browser", "\t -m \t\tMouse - turn on mouse support", "\t -x \t\tNoKeyhelp - suppress keyhelp", "\t -q \t\tTermdefWins - termcap or terminfo takes precedence over defaults", "\t -d \t\tRebind - let delete key delete current character", "\t -f \t\tKeys - force use of function keys", "\t -b \t\tReplace - allow search and replace", "\t -h \t\tHelp - give this list of options", "\t -r[#cols] \tFill - set fill column to #cols columns, default=72", "\t -n[#s] \tMail - notify about new mail every #s seconds, default=180", "\t -s \tSpeller - specify alternative speller", "\t -t \t\tShutdown - enable special shutdown mode", "\t -o \tOperation - specify the operating directory", "\t -z \t\tSuspend - allow use of ^Z suspension", "\t -w \t\tNoWrap - turn off word wrap", #if defined(DOS) || defined(OS2) "\t -cnf color \tforeground color", "\t -cnb color \tbackground color", "\t -crf color \treverse foreground color", "\t -crb color \treverse background color", #endif "\t +[line#] \tLine - start on line# line, default=1", "\t -v \t\tView - view file", "", "\t All arguments may be followed by a file name to display.", "", NULL }; /* * main standalone pico routine */ #ifdef _WINDOWS app_main (argc, argv) #else main(argc, argv) #endif char *argv[]; { register int c; register int f; register int n; register BUFFER *bp; int viewflag = FALSE; /* are we starting in view mode?*/ int starton = 0; /* where's dot to begin with? */ char bname[NBUFN]; /* buffer name of file to read */ char *file_to_edit = NULL; timeo = 600; Pmaster = NULL; /* turn OFF composer functionality */ km_popped = 0; opertree[0] = opertree[NLINE] = '\0'; set_collation(); /* * Read command line flags before initializing, otherwise, we never * know to init for f_keys... */ file_to_edit = pico_args(argc, argv, &starton, &viewflag); #if defined(DOS) || defined(OS2) if(file_to_edit){ /* strip quotes? */ int l; if(strchr("'\"", file_to_edit[0]) && (l = strlen(file_to_edit)) > 1 && file_to_edit[l-1] == file_to_edit[0]){ file_to_edit[l-1] = '\0'; /* blat trailing quote */ file_to_edit++; /* advance past leading quote */ } } #endif if(!vtinit()) /* Displays. */ exit(1); strcpy(bname, "main"); /* default buffer name */ edinit(bname); /* Buffers, windows. */ update(); /* let the user know we are here */ #ifdef _WINDOWS mswin_showcursor(1); /* turn on for main window */ mswin_allowpaste(MSWIN_PASTE_FULL); mswin_setclosetext("Use the ^X command to exit Pico."); mswin_setscrollcallback (pico_scroll_callback); #endif #if defined(USE_TERMCAP) || defined(USE_TERMINFO) || defined(VMS) if(kbesc == NULL){ /* will arrow keys work ? */ (*term.t_putchar)('\007'); emlwrite("Warning: keypad keys may non-functional", NULL); } #endif /* USE_TERMCAP/USE_TERMINFO/VMS */ if(file_to_edit){ /* Any file to edit? */ makename(bname, file_to_edit); /* set up a buffer for this file */ bp = curbp; /* read in first file */ makename(bname, file_to_edit); strcpy(bp->b_bname, bname); strcpy(bp->b_fname, file_to_edit); if ((gmode&MDTREE) && !in_oper_tree(file_to_edit) || readin(file_to_edit, (viewflag==FALSE)) == ABORT) { if ((gmode&MDTREE) && !in_oper_tree(file_to_edit)) emlwrite("Can't read file from outside of %s", opertree); strcpy(bp->b_bname, "main"); strcpy(bp->b_fname, ""); } bp->b_dotp = bp->b_linep; bp->b_doto = 0; if (viewflag) /* set the view mode */ bp->b_mode |= MDVIEW; } /* setup to process commands */ lastflag = 0; /* Fake last flags. */ curbp->b_mode |= gmode; /* and set default modes*/ curwp->w_flag |= WFMODE; /* and force an update */ if(timeoutset) emlwrite("Checking for new mail every %D seconds", (void *)timeo); forwline(0, starton - 1); /* move dot to specified line */ while(1){ if(km_popped){ km_popped--; if(km_popped == 0) /* cause bottom three lines to be repainted */ curwp->w_flag |= WFHARD; } if(km_popped){ /* temporarily change to cause menu to be painted */ term.t_mrow = 2; curwp->w_ntrows -= 2; curwp->w_flag |= WFMODE; movecursor(term.t_nrow-2, 0); /* clear status line, too */ peeol(); } update(); /* Fix up the screen */ if(km_popped){ term.t_mrow = 0; curwp->w_ntrows += 2; } #ifdef MOUSE #ifdef EX_MOUSE /* New mouse function for real mouse text seletion. */ register_mfunc(mouse_in_pico, 2, 0, term.t_nrow - (term.t_mrow + 1), term.t_ncol); #else mouse_in_content(KEY_MOUSE, -1, -1, 0, 0); register_mfunc(mouse_in_content, 2, 0, term.t_nrow - (term.t_mrow + 1), term.t_ncol); #endif #endif #ifdef _WINDOWS mswin_setdndcallback (pico_file_drop); #endif c = GetKey(); #ifdef MOUSE #ifdef EX_MOUSE clear_mfunc(mouse_in_pico); #else clear_mfunc(mouse_in_content); #endif #endif #ifdef _WINDOWS mswin_cleardndcallback (); #endif if(timeoutset && (c == NODATA || time_to_check())){ if(pico_new_mail()) emlwrite("You may possibly have new mail.", NULL); } if(km_popped) switch(c){ case NODATA: case (CTRL|'L'): km_popped++; break; default: /* clear bottom three lines */ mlerase(); break; } if(c == NODATA) continue; if(mpresf){ /* erase message line? */ if(mpresf++ > MESSDELAY) mlerase(); } f = FALSE; n = 1; #ifdef MOUSE clear_mfunc(mouse_in_content); #endif /* Do it. */ execute(normalize_cmd(c, fkm, 1), f, n); } } /* * Parse the command line args. * * Args ac * av * starton -- place to return starton value * viewflag -- place to return viewflag value * * Result: command arguments parsed * possible printing of help for command line * various global flags set * returns the name of any file to open, else NULL */ char * pico_args(ac, av, starton, viewflag) int ac; char **av; int *starton; int *viewflag; { int c, usage = 0; char *str; char tmp_1k_buf[1000]; /* tmp buf to contain err msgs */ Loop: /* while more arguments with leading - or + */ while(--ac > 0 && (**++av == '-' || **av == '+')){ if(**av == '+'){ if(*++*av) str = *av; else if(--ac) str = *++av; else{ sprintf(tmp_1k_buf, args_pico_missing_arg, '+'); pico_display_args_err(tmp_1k_buf, NULL, 1); usage++; goto Loop; } if(!isdigit((unsigned char)str[0])){ sprintf(tmp_1k_buf, args_pico_missing_num, '+'); pico_display_args_err(tmp_1k_buf, NULL, 1); usage++; } if(starton) *starton = atoi(str); goto Loop; } /* while more chars in this argument */ else while(*++*av){ #if defined(DOS) || defined(OS2) if(strcmp(*av, "cnf") == 0 || strcmp(*av, "cnb") == 0 || strcmp(*av, "crf") == 0 || strcmp(*av, "crb") == 0){ char *cmd = *av; /* save it to use below */ if(--ac){ str = *++av; if(cmd[1] == 'n'){ if(cmd[2] == 'f') pico_nfcolor(str); else if(cmd[2] == 'b') pico_nbcolor(str); } else if(cmd[1] == 'r'){ if(cmd[2] == 'f') pico_rfcolor(str); else if(cmd[2] == 'b') pico_rbcolor(str); } } else{ sprintf(tmp_1k_buf, args_pico_missing_color, cmd); pico_display_args_err(tmp_1k_buf, NULL, 1); usage++; } goto Loop; } #endif /* * Single char options. */ switch(c = **av){ /* * These don't take arguments. */ case 'v': /* -v for View File */ case 'V': *viewflag = !*viewflag; break; /* break back to inner-while */ case 'e': /* file name completion */ gmode ^= MDCMPLT; break; case 'k': /* kill from dot */ gmode ^= MDDTKILL; break; case 'j': /* allow "Goto" in file browser */ gmode ^= MDGOTO; break; case 'g': /* show-cursor in file browser */ gmode ^= MDSHOCUR; break; case 'm': /* turn on mouse support */ gmode ^= MDMOUSE; break; case 'x': /* suppress keyhelp */ sup_keyhelp = !sup_keyhelp; break; case 'd': /* -d for rebind delete key */ bindtokey(0x7f, forwdel); break; case 'f': /* -f for function key use */ gmode ^= MDFKEY; break; case 'b': gmode ^= MDREPLACE; /* -b for replace string in where is command */ break; case 'h': usage++; break; case 't': /* special shutdown mode */ gmode ^= MDTOOL; rebindfunc(wquit, quickexit); break; case 'z': /* -z to suspend */ gmode ^= MDSSPD; break; case 'q': /* -q for termcap takes precedence */ gmode ^= MDTCAPWINS; break; case 'w': /* -w turn off word wrap */ gmode ^= MDWRAP; break; /* * These do take arguments. */ case 'r': /* set fill column */ case 'n': /* -n for new mail notification */ case 's' : /* speller */ case 'o' : /* operating tree */ if(*++*av) str = *av; else if(--ac) str = *++av; else{ if(c == 'r') str= "72"; else if(c == 'n') str = "180"; else{ sprintf(tmp_1k_buf, args_pico_missing_arg, c); pico_display_args_err(tmp_1k_buf, NULL, 1); usage++; goto Loop; } } switch(c){ case 's': alt_speller = str; break; case 'o': strncpy(opertree, str, NLINE); gmode ^= MDTREE; break; /* numeric args */ case 'r': case 'n': if(!isdigit((unsigned char)str[0])){ sprintf(tmp_1k_buf, args_pico_missing_num, c); pico_display_args_err(tmp_1k_buf, NULL, 1); usage++; } if(c == 'r'){ if((userfillcol = atoi(str)) < 1) userfillcol = 72; } else{ timeoutset = 1; timeo = 180; if((timeo = atoi(str)) < 30) timeo = 180; } break; } goto Loop; default: /* huh? */ sprintf(tmp_1k_buf, args_pico_missing_flag, c); pico_display_args_err(tmp_1k_buf, NULL, 1); usage++; break; } } } if(usage) pico_args_help(); /* return the first filename for editing */ if(ac > 0) return(*av); else return(NULL); } #ifdef _WINDOWS /* * */ int pico_file_drop(x, y, filename) int x, y; char *filename; { /* * if current buffer is unchanged * *or* "new buffer" and no current text */ if(((curwp->w_bufp->b_flag & BFCHG) == 0) || (curwp->w_bufp->b_fname[0] == '\0' && curwp->w_bufp->b_linep == lforw(curwp->w_bufp->b_linep) && curwp->w_doto == 0)){ register BUFFER *bp = curwp->w_bufp; char bname[NBUFN]; makename(bname, filename); strcpy(bp->b_bname, bname); strcpy(bp->b_fname, filename); bp->b_flag &= ~BFCHG; /* turn off change bit */ if (readin(filename, 1) == ABORT) { strcpy(bp->b_bname, ""); strcpy(bp->b_fname, ""); } bp->b_dotp = bp->b_linep; bp->b_doto = 0; } else{ ifile(filename); curwp->w_flag |= WFHARD; update(); emlwrite("Inserted dropped file \"%s\"", filename); } curwp->w_flag |= WFHARD; update(); /* restore cursor */ return(1); } #endif /*---------------------------------------------------------------------- print a few lines of help for command line arguments Args: none Result: prints help messages ----------------------------------------------------------------------*/ void pico_args_help() { /** print out possible starting arguments... **/ pico_display_args_err(NULL, args_pico_args, 0); exit(1); } /*---------------------------------------------------------------------- write argument error to the display... Args: none Result: prints help messages ----------------------------------------------------------------------*/ void pico_display_args_err(s, a, err) char *s; char **a; int err; { char errstr[256], *errp; FILE *fp = err ? stderr : stdout; #ifdef _WINDOWS char tmp_20k_buf[20480]; #endif if(err && s) sprintf(errp = errstr, "Argument Error: %.200s", s); else errp = s; #ifdef _WINDOWS if(errp) mswin_messagebox(errp, err); if(a && *a){ strcpy(tmp_20k_buf, *a++); while(a && *a){ strcat(tmp_20k_buf, "\n"); strcat(tmp_20k_buf, *a++); } mswin_messagebox(tmp_20k_buf, err); } #else if(errp) fprintf(fp, "%s\n", errp); while(a && *a) fprintf(fp, "%s\n", *a++); #endif }