Пример #1
0
int
edit_kfile()
{
    notincl("^K");
    return -1;
}
Пример #2
0
int
page_switch()
{
    register char *s;
    
    switch (*buf) {
    case 'd':
    case Ctl('d'):	/* half page */
	special = TRUE;
	slines = LINES / 2 + 1;
	if (marking && *blinebeg != '\f'
#ifdef CUSTOMLINES
	  && (!pagestop || blinebeg != art_buf ||
	      !execute(&page_compex,blinebeg))
#endif
	  ) {
	    up_line();
	    highlight = --artline;
	    restart = blinebeg;
	    artpos = alinebeg;
	}
	return PS_NORM;
    case '!':			/* shell escape */
	escapade();
	return PS_ASK;
#ifdef INNERSEARCH
    case Ctl('i'):
	gline = 3;
	sprintf(cmd_buf,"^[^%c]",*blinebeg);
	compile(&gcompex,cmd_buf,TRUE,TRUE);
	goto caseG;
    case Ctl('g'):
	gline = 3;
	compile(&gcompex,"^Subject:",TRUE,TRUE);
	goto caseG;
    case 'g':		/* in-article search */
	if (!finish_command(FALSE))/* get rest of command */
	    return PS_ASK;
	s = buf+1;
	if (isspace(*s))
	    s++;
	if ((s = compile(&gcompex,s,TRUE,TRUE)) != Nullch) {
			    /* compile regular expression */
	    printf("\n%s\n",s) FLUSH;
	    return PS_ASK;
	}
	carriage_return();
	erase_eol();	/* erase the prompt */
	/* FALL THROUGH */
    caseG:
    case 'G': {
	/* ART_LINE lines_to_skip = 0; */
	ART_POS start_where;

	if (gline < 0 || gline > LINES-2)
	    gline = LINES-2;
#ifdef DEBUGGING
	if (debug & DEB_INNERSRCH)
	    printf("Start here? %d  >=? %d\n",topline + gline + 1,artline)
	      FLUSH;
#endif
	if (*buf == Ctl('i') || topline+gline+1 >= artline)
	    start_where = artpos;
			/* in case we had a line wrap */
	else {
	    start_where = vrdary(topline+gline+1);
	    if (start_where < 0)
		start_where = -start_where;
	}
	if (start_where < htype[PAST_HEADER].ht_minpos)
	    start_where = htype[PAST_HEADER].ht_minpos;
	fseek(artfp,(long)start_where,0);
	innersearch = 0; /* assume not found */
	while (fgets(buf, sizeof buf, artfp) != Nullch) {
	    /* lines_to_skip++; 		NOT USED NOW */
#ifdef DEBUGGING
	    if (debug & DEB_INNERSRCH)
		printf("Test %s",buf) FLUSH;
#endif
	    if (execute(&gcompex,buf) != Nullch) {
		innersearch = ftell(artfp);
		break;
	    }
	}
	if (!innersearch) {
	    fseek(artfp,artpos,0);
	    fputs("(Not found)",stdout) FLUSH;
	    return PS_ASK;
	}
#ifdef DEBUGGING
	if (debug & DEB_INNERSRCH)
	    printf("On page? %ld <=? %ld\n",(long)innersearch,(long)artpos)
	      FLUSH;
#endif
	if (innersearch <= artpos) {	/* already on page? */
	    if (innersearch < artpos) {
		artline = topline+1;
		while (vrdary(artline) < innersearch)
		    artline++;
	    }
	    highlight = artline - 1;
#ifdef DEBUGGING
	    if (debug & DEB_INNERSRCH)
		printf("@ %d\n",highlight) FLUSH;
#endif
	    topline = highlight - gline;
	    if (topline < -1)
		topline = -1;
	    *buf = '\f';		/* fake up a refresh */
	    innersearch = 0;
	    return page_switch();
	}
	else {				/* who knows how many lines it is? */
	    do_fseek = TRUE;
	    hide_everything = TRUE;
	}
	return PS_NORM;
    }
#else
    case 'g': case 'G': case Ctl('g'):
	notincl("g");
	return PS_ASK;
#endif
    case '\n':		/* one line */
	special = TRUE;
	slines = 2;
	return PS_NORM;
#ifdef ROTATION
    case 'X':
	rotate = !rotate;
	/* FALL THROUGH */
#endif
    case 'l':
    case '\f':		/* refresh screen */
#ifdef DEBUGGING
	if (debug & DEB_INNERSRCH) {
	    printf("Topline = %d",topline) FLUSH;
	    gets(buf);
	}
#endif
	clear();
	do_fseek = TRUE;
	artline = topline;
	if (artline < 0)
	    artline = 0;
	firstpage = (topline < 0);
	return PS_NORM;
    case 'b':
    case '\b':			/* I like backspace for this -- PWP */
					/* Leaving it undocumented in case */
					/* I want to steal the key--LAW */
    case Ctl('b'): {	/* back up a page */
	ART_LINE target;

#ifndef CLEAREOL
	clear();
#else
	if (can_home_clear)	/* if we can home do it -- PWP */
	    home_cursor();
	else
	    clear();

#endif CLEAREOL
	do_fseek = TRUE;	/* reposition article file */
	target = topline - (LINES - 2);
	artline = topline;
	do {
	    artline--;
	} while (artline >= 0 && artline > target &&
	    vrdary(artline-1) >= 0);
	topline = artline;
			/* remember top line of screen */
			/*  (line # within article file) */
	if (artline < 0)
	    artline = 0;
	firstpage = (topline < 0);
	return PS_NORM;
    }
    case 'h': {		/* help */
	int cmd;

	if ((cmd = help_page()) > 0)
	    pushchar(cmd);
	return PS_ASK;
    }
    case '\177':
    case '\0':		/* treat del,break as 'n' */
	*buf = 'n';
	/* FALL THROUGH */
    case 'k':	case 'K':
    case 'n':	case 'N':	case Ctl('n'):
    case 's':	case 'S':
    case 'u':
    case 'w':	case 'W':
    case '|':
	mark_as_read(art);	/* mark article as read */
	/* FALL THROUGH */
    case '#':
    case '$':
    case '&':
    case '-':
    case '.':
    case '/':
    case '1': case '2': case '3': case '4': case '5':
    case '6': case '7': case '8': case '9':
    case '=':
    case '?':
    case 'c':	case 'C':	
    case 'f':	case 'F':	
    case 'j':
				case Ctl('k'):
    case 'm':	case 'M':	
    case 'p':	case 'P':	case Ctl('p'):	
		case 'Q':
    case 'r':	case 'R':	case Ctl('r'):
    case 'v':
		case 'Y':
#ifndef ROTATION
    case 'x':	case 'X':
#endif
    case Ctl('x'):
    case '^':

#ifdef ROTATION
	rotate = FALSE;
#endif
	reread = FALSE;
	do_hiding = TRUE;
	if (index("nNpP",*buf) == Nullch &&
	  index("wWsS!&|/?123456789.",*buf) != Nullch) {
	    setdfltcmd();
	    standout();		/* enter standout mode */
	    printf(prompt,mailcall,dfltcmd);
			    /* print prompt, whatever it is */
	    un_standout();	/* leave standout mode */
	    putchar(' ');
	    fflush(stdout);
	}
	return PS_RAISE;	/* and pretend we were at end */
#ifdef ROTATION
    case 'x':
	rotate = TRUE;
	/* FALL THROUGH */
#endif
    case 'y':
    case Ctl('v'):		/* I like emacs -- PWP */
					/* Leaving it undocumented in case */
					/* I want to steal the key--LAW */
    case ' ':	/* continue current article */
	if (erase_screen) {	/* -e? */
#ifndef CLEAREOL
	    clear();		/* clear screen */
#else
	    if (can_home_clear)	/* if we can home do it -- PWP */
		home_cursor();
	    else
		clear();	/* else clear screen */

#endif CLEAREOL
	    if (*blinebeg != '\f'
#ifdef CUSTOMLINES
	      && (!pagestop || blinebeg != art_buf ||
	          !execute(&page_compex,blinebeg))
#endif
	      ) {
		restart = blinebeg;
		artline--;	 /* restart this line */
		artpos = alinebeg;
		if (marking)	/* and mark repeated line */
		    highlight = artline;
	    }
	    topline = artline;
			/* and remember top line of screen */
			/*  (line # within article file) */
	}
	else if (marking && *blinebeg != '\f'
#ifdef CUSTOMLINES
	  && (!pagestop || blinebeg != art_buf ||
	      !execute(&page_compex,blinebeg))
#endif
	  ) {
				/* are we marking repeats? */
	    up_line();		/* go up one line */
	    highlight = --artline;/* and get ready to highlight */
	    restart = blinebeg;	/*   the old line */
	    artpos = alinebeg;
	}
	return PS_NORM;
    case 'q':	/* quit this article? */
	do_hiding = TRUE;
	return PS_TOEND;
    default:
	fputs(hforhelp,stdout) FLUSH;
	settle_down();
	return PS_ASK;
    }
}