Esempio n. 1
0
int
main(int argc, char **argv)
{
	char		*cp, *init_fcn_name = NULL;
	PF		 init_fcn = NULL;
	int	 	 o, i, nfiles;
	int	  	 nobackups = 0;
	struct buffer	*bp = NULL;

#ifdef MRUBY
	mrb_mg_init();
	int noinitfile = 0;
#endif /* MRUBY */

	while ((o = getopt(argc, argv, "nf:q")) != -1)
		switch (o) {
		case 'n':
			nobackups = 1;
			break;
		case 'f':
			if (init_fcn_name != NULL)
				errx(1, "cannot specify more than one "
				    "initial function");
			init_fcn_name = optarg;
			break;
		case 'q':
		     noinitfile = 1;
		     break;
		default:
			usage();
		}
	argc -= optind;
	argv += optind;

	maps_init();		/* Keymaps and modes.		*/
	funmap_init();		/* Functions.			*/

	/*
	 * This is where we initialize standalone extensions that should
	 * be loaded dynamically sometime in the future.
	 */
	{
		extern void grep_init(void);
		extern void theo_init(void);
		extern void cmode_init(void);
		extern void dired_init(void);

		dired_init();
		grep_init();
		theo_init();
		cmode_init();

#ifdef UTF8
		utf8_init();
#endif /* UTF8 */
	}

	if (init_fcn_name &&
	    (init_fcn = name_function(init_fcn_name)) == NULL)
		errx(1, "Unknown function `%s'", init_fcn_name);

	vtinit();		/* Virtual terminal.		*/
	dirinit();		/* Get current directory.	*/
	edinit(bp);		/* Buffers, windows.		*/
	ttykeymapinit();	/* Symbols, bindings.		*/

	/*
	 * doing update() before reading files causes the error messages from
	 * the file I/O show up on the screen.	(and also an extra display of
	 * the mode line if there are files specified on the command line.)
	 */
	update();

	/* user startup file */
#ifdef MRUBY
	if (noinitfile == 0 && (cp = startupfile(NULL)) != NULL)
		mrb_mg_load(cp);
#else
	if ((cp = startupfile(NULL)) != NULL)
		(void)load(cp);
#endif /* MRUBY */

	/* 
	 * Now ensure any default buffer modes from the startup file are
	 * given to any files opened when parsing the startup file.
	 * Note *scratch* will also be updated.
	 */
	for (bp = bheadp; bp != NULL; bp = bp->b_bufp) {
		bp->b_flag = defb_flag;
		for (i = 0; i <= defb_nmodes; i++) {
                	bp->b_modes[i] = defb_modes[i];
        	}
	}

	/* Force FFOTHARG=1 so that this mode is enabled, not simply toggled */
	if (init_fcn)
		init_fcn(FFOTHARG, 1);

	if (nobackups)
		makebkfile(FFARG, 0);

	for (nfiles = 0, i = 0; i < argc; i++) {
		if (argv[i][0] == '+' && strlen(argv[i]) >= 2) {
			long long lval;
			const char *errstr;

			lval = strtonum(&argv[i][1], INT_MIN, INT_MAX, &errstr);
			if (argv[i][1] == '\0' || errstr != NULL)
				goto notnum;
			startrow = lval;
		} else {
notnum:
			cp = adjustname(argv[i], FALSE);
			if (cp != NULL) {
				if (nfiles == 1)
					splitwind(0, 1);

				if ((curbp = findbuffer(cp)) == NULL) {
					vttidy();
					errx(1, "Can't find current buffer!");
				}
				(void)showbuffer(curbp, curwp, 0);
				if (readin(cp) != TRUE)
					killbuffer(curbp);
				else {
					/* Ensure enabled, not just toggled */
					if (init_fcn_name)
						init_fcn(FFOTHARG, 1);
					nfiles++;
				}
			}
		}
	}

	if (nfiles > 2)
		listbuffers(0, 1);

	/* fake last flags */
	thisflag = 0;
	for (;;) {
		if (epresf == KCLEAR)
			eerase();
		if (epresf == TRUE)
			epresf = KCLEAR;
		if (winch_flag) {
			do_redraw(0, 0, TRUE);
			winch_flag = 0;
		}
		update();
		lastflag = thisflag;
		thisflag = 0;

		switch (doin()) {
		case TRUE:
			break;
		case ABORT:
			ewprintf("Quit");
			/* FALLTHRU */
		case FALSE:
		default:
			ttbeep();
			macrodef = FALSE;
		}
	}
}
Esempio n. 2
0
int buffermenu(int f, int n)
{
  BUFFER *bp;
  BUFFER *org_bp = curbp;
  int c,k;
  int bufptr;
  int bufcount = 0;

  bufptr = 1;

 start:
  listbuffers(f,n);
  swbuffer(blistp);
  onlywind(0,0);
  bufcount = count_buffers();

  if (bufptr > bufcount)
	bufptr = bufcount;

  if (bufcount > 0)
	forwline(0, bufptr + 1);
  else
	forwline(0, 2);

  for (;;) {
	mlwrite("Buffer Menu: 1,2,s,v,k,q ");
	update();
	c = ttgetc();

	/* if no buffers, only allow exit */
	if (bufcount == 0) {
	  switch (c) {
	  case 'q': case 'Q': case 'x': case 'X':
		break;
	  default:
		(*term.t_beep) ();
		continue;
	  }
	}

	/*
	 * pre process escape sequence to get up/down arrows
	 * convert to CTRL+N, CTRL+P 
	 */
	if (c == ESC) {
	  k = getctl();
	  if (k == '[') {
		k = getctl();
		switch(k) {
		case 'A': c = CTRL_P; break;
		case 'B': c = CTRL_N; break;
		default: 
		  (*term.t_beep)();
		  continue;
		}
	  } else {
		k = getctl();
		(*term.t_beep) ();
		continue;
	  }
	}  /* if ESC */

	switch (c) {
	case 'n':
	case 'N':
	case CTRL_N:
	  if (bufcount == bufptr) {
		(*term.t_beep) ();
		break;
	  }
	  forwline(0,1);
	  bufptr++;
	  break;

	case 'p':
	case 'P':
	case CTRL_P:
	  if (bufptr == 1) {
		(*term.t_beep) ();
		break;
	  }
	  backline(0,1);
	  bufptr--;
	  break;

	case '1':
	  bp = get_buffer(bufptr);
	  swbuffer(bp);
	  onlywind(0,0);
	  mlerase();
	  return TRUE;

	case '2':
	  bp = get_buffer(bufptr);
	  swbuffer(bp);
	  onlywind(0,0);
	  /* need to check or is still valid */
	  if (valid_buf(org_bp) == TRUE && bufcount > 1)
		{
		  splitwind(0,0);
		  swbuffer(org_bp);
		  nextwind(0,0);
		}
	  mlerase();
	  return TRUE;

	  /* save file */
	case 's':
	case 'S':
	  bp = get_buffer(bufptr);
	  if (bp != NULL) {
		curbp = bp;
		(void)filesave(0,0);
		curbp = blistp;
		goto start;
	  }
	  break;

	  /* toggle read only */
	case 'v':
	case 'V':
	case '%':
	  bp = get_buffer(bufptr);
	  if (bp != NULL)  /* be defensive */
		bp->b_flag ^= BFRO;
	  goto start;
	  break;

	  /* kill buffer */
	case 'k':
	case 'K':
	  bp = get_buffer(bufptr);
	  if (bp != NULL)
		zotbuf(bp);
	  goto start;
	  break;

	  /* exit buffer menu */
	case 'q':
	case 'Q':
	case 'x':
	case 'X':
	  if (bufcount == 0) {
		bp = get_scratch();
		swbuffer(bp);
		onlywind(0,0);
		mlerase();
		return TRUE;
	  }

	  if (valid_buf(org_bp) == TRUE)
		swbuffer(org_bp);
	  else
		swbuffer(bheadp);
	  onlywind(0,0);
	  mlerase();
	  return TRUE;

	  /* any other key */
	default:
	  (*term.t_beep) ();
	  break;
	}
  }

  mlerase();
  return TRUE;
}
Esempio n. 3
0
File: main.c Progetto: sctb/em
int
main(int argc, char **argv)
{
	char		*cp, *init_fcn_name = NULL;
	PF		 init_fcn = NULL;
	int	 	 o, i, nfiles;
	struct buffer	*bp = NULL;

	while ((o = getopt(argc, argv, "f:")) != -1)
		switch (o) {
		case 'f':
			if (init_fcn_name != NULL)
				errx(1, "cannot specify more than one "
				    "initial function");
			init_fcn_name = optarg;
			break;
		default:
			usage();
		}
	argc -= optind;
	argv += optind;

	setlocale(LC_CTYPE, "");

	maps_init();		/* Keymaps and modes.		*/
	funmap_init();		/* Functions.			*/

	if (init_fcn_name &&
	    (init_fcn = name_function(init_fcn_name)) == NULL)
		errx(1, "Unknown function `%s'", init_fcn_name);

	vtinit();		/* Virtual terminal.		*/
	dirinit();		/* Get current directory.	*/
	edinit(bp);		/* Buffers, windows.		*/
	bellinit();		/* Audible and visible bell.	*/

	/*
	 * doing update() before reading files causes the error messages from
	 * the file I/O show up on the screen.	(and also an extra display of
	 * the mode line if there are files specified on the command line.)
	 */
	update(CMODE);

	/* Force FFOTHARG=1 so that this mode is enabled, not simply toggled */
	if (init_fcn)
		init_fcn(FFOTHARG, 1);

	for (nfiles = 0, i = 0; i < argc; i++) {
		if (argv[i][0] == '+' && strlen(argv[i]) >= 2) {
			long lval;
			char *end;

			lval = strtol(&argv[i][1], &end, 0);
			if (argv[i][1] == '\0' || *end != '\0')
				goto notnum;
			startrow = lval;
		} else {
notnum:
			cp = adjustname(argv[i], FALSE);
			if (cp != NULL) {
				if (nfiles == 1)
					splitwind(0, 1);

				if ((curbp = findbuffer(cp)) == NULL) {
					vttidy();
					errx(1, "Can't find current buffer!");
				}
				(void)showbuffer(curbp, curwp, 0);
				if (readin(cp) != TRUE)
					killbuffer(curbp);
				else {
					/* Ensure enabled, not just toggled */
					if (init_fcn_name)
						init_fcn(FFOTHARG, 1);
					nfiles++;
				}
			}
		}
	}

	if (nfiles > 2)
		listbuffers(0, 1);

	/* fake last flags */
	thisflag = 0;
	for (;;) {
		if (epresf == KCLEAR)
			eerase();
		if (epresf == TRUE)
			epresf = KCLEAR;
		if (winch_flag) {
			do_redraw(0, 0, TRUE);
			winch_flag = 0;
		}
		update(CMODE);
		lastflag = thisflag;
		thisflag = 0;

		switch (doin()) {
		case TRUE:
			break;
		case ABORT:
			ewprintf("Quit");
			/* FALLTHRU */
		case FALSE:
		default:
			macrodef = FALSE;
		}
	}
}