示例#1
0
文件: ex_put.c 项目: chungy/ex-vi
/*
 * Stop open, restoring tty modes.
 */
void
ostop(struct termios f)
{

	pfast = (f.c_oflag & ONLCR) == 0;
	termreset(), fgoto(), flusho();
	normal(f);
	tostop();
}
示例#2
0
文件: ex_tty.c 项目: atsb/ex
void
setterm(char *type)
{
	register int unknown;
	char ltcbuf[TCBUFSIZE];

	if (type[0] == 0)
		type = "xx";
	unknown = 0;
	putpad(TE);
	if (tgetent(ltcbuf, type) != 1) {
		unknown++;
		CP(ltcbuf, "xx|dumb:");
	}
	gettmode(); /* must call gettmode() before setsize(). GR */
	setsize();
	aoftspace = tspace;
	zap();
	/*
	 * Initialize keypad arrow keys.
	 */
	addmac1(KU, "k", "up", arrows, 1);
	addmac1(KD, "j", "down", arrows, 1);
	addmac1(KL, "h", "left", arrows, 1);
	addmac1(KR, "l", "right", arrows, 1);
	addmac1(KH, "H", "home", arrows, 1);

	/*
	 * Handle funny termcap capabilities
	 */
	if (xCS && SC && RC) {
		if (AL==NULL) AL="";
		if (DL==NULL) DL="";
	}
	if (AL_PARM && AL==NULL) AL="";
	if (DL_PARM && DL==NULL) DL="";
	if (IC && IM==NULL) IM="";
	if (IC && EI==NULL) EI="";
	if (!GT) BT=NULL;	/* If we can't tab, we can't backtab either */

#ifdef	TIOCLGET
#define	HAS_JOB_CONTROL
#endif
#ifdef	_SC_JOB_CONTROL
#define	HAS_JOB_CONTROL
#endif
#ifdef	HAS_JOB_CONTROL
	/*
	 * Now map users susp char to ^Z, being careful that the susp
	 * overrides any arrow key, but only for hackers (=new tty driver).
	 */
	{
		static char sc[2];
		int i /* , fnd */;

		if (sysconf(_SC_JOB_CONTROL) != -1)
		{
			/*
			 * If a system supports job control but no job
			 * control shell is used, only one method of
			 * detection remains: Our session id equals our
			 * process group id. Any job control shell would
			 * have created at least one new process group.
			 * But as the VSUSP key may be active, we have
			 * to override arrow keys either.
			 */
#ifndef	_CRAY	/* getsid() is a bad syscall on UNICOS */
			if (getsid(0) != getpgid(0))
#endif	/* !_CRAY */
				ldisc = 2;	/* value of NTTYDISC */
			sc[0] = tty.c_cc[VSUSP];
			sc[1] = 0;
			if (tty.c_cc[VSUSP] == CTRL('z')) {
				for (i=0; i<=4; i++)
					if (arrows[i].cap &&
					    arrows[i].cap[0] == CTRL('z'))
						addmac(sc, NULL, NULL, arrows);
			} else if (sc[0]
#ifdef	_PC_VDISABLE
					&& sc[0] != fpathconf(1, _PC_VDISABLE)
#endif
					)
				addmac(sc, "\32", "susp", arrows);
		}
	}
#endif	/* HAS_JOB_CONTROL */

	if (CM != 0) {
		if (tgoto(CM, 2, 2)[0] == 'O')	/* OOPS */
			CA = 0, CM = 0;
		else
			CA = 1, costCM = cost(tgoto(CM, 8, 10));
	} else {
		CA = 0, CM = 0;
	}
	costSR = cost(SR);
	costAL = cost(AL);
	costDP = cost(tgoto(DOWN_PARM, 10, 10));
	costLP = cost(tgoto(LEFT_PARM, 10, 10));
	costRP = cost(tgoto(RIGHT_PARM, 10, 10));
	PC = xPC ? xPC[0] : 0;
	aoftspace = tspace;
	safecp(ttylongname, gettlongname(ltcbuf, type), sizeof ttylongname,
			"Terminal name too long");
	/* proper strings to change tty type */
	termreset();
	gettmode();
	value(REDRAW) = AL && DL;
	value(OPTIMIZE) = !CA && !GT;
	if (ospeed == B1200 && !value(REDRAW))
		value(SLOWOPEN) = 1;	/* see also gettmode above */
	if (unknown)
		serror(catgets(catd, 1, 191,
				"%s: Unknown terminal type"), type);
}
示例#3
0
/*
 * Do a z operation.
 * Code here is rather long, and very uninteresting.
 */
void 
vzop(int hadcnt, int cnt, register int c)
{
	register line *addr;

	if (state != VISUAL) {
		/*
		 * Z from open; always like a z=.
		 * This code is a mess and should be cleaned up.
		 */
		vmoveitup(1, 1);
		vgoto(outline, 0);
		ostop(normf);
		setoutt();
		addr2 = dot;
		vclear();
		destline = WECHO;
		zop2(Xhadcnt ? Xcnt : value(WINDOW) - 1, '=');
		if (state == CRTOPEN)
			putnl();
		putNFL();
		termreset();
		Outchar = vputchar;
		ignore(ostart());
		vcnt = 0;
		outline = destline = 0;
		vjumpto(dot, cursor, 0);
		return;
	}
	if (hadcnt) {
		addr = zero + cnt;
		if (addr < one)
			addr = one;
		if (addr > dol)
			addr = dol;
		markit(addr);
	} else
		switch (c) {

		case '+':
			addr = dot + vcnt - vcline;
			break;

		case '^':
			addr = dot - vcline - 1;
			forbid (addr < one);
			c = '-';
			break;

		default:
			addr = dot;
			break;
		}
	switch (c) {

	case '.':
	case '-':
		break;

	case '^':
		forbid (addr <= one);
		break;

	case '+':
		forbid (addr >= dol);
		/* fall into ... */

	case CR:
	case NL:
		c = CR;
		break;

	default:
		beep();
		return;
	}
	vmoving = 0;
	vjumpto(addr, NOSTR, c);
}
示例#4
0
文件: ex_tty.c 项目: n-t-roff/ex-3.7
void
setterm(char *type)
{
	int tgetent(char *bp, const char *name);
	register int unknown, i;
	register int l;
	char ltcbuf[TCBUFSIZE];
	struct winsize win;
	char *s;

	if (type[0] == 0)
		type = "xx";
	unknown = 0;
	putpad(TE);
	if (tgetent(ltcbuf, type) != 1) {
		unknown++;
		CP(ltcbuf, "xx|dumb:");
	}
	gettmode();
	if (ioctl(0, TIOCGWINSZ, &win) < 0) {
		i = EX_LINES = tgetnum("li");
		COLUMNS = tgetnum("co");
	} else {
		if ((EX_LINES = win.ws_row) == 0)
			EX_LINES = tgetnum("li");
		i = EX_LINES;
		if ((COLUMNS = win.ws_col) == 0)
			COLUMNS = tgetnum("co");
	}
	if (EX_LINES <= 5)
		EX_LINES = 24;
	if (EX_LINES > TUBELINES)
		EX_LINES = TUBELINES;
	l = EX_LINES;
	if (ex_ospeed < B1200)
		l = 9;	/* including the message line at the bottom */
	else if (ex_ospeed < B2400)
		l = 17;
	if (l > EX_LINES)
		l = EX_LINES;
	aoftspace = tspace;
	zap();
	/*
	 * Initialize keypad arrow keys.
	 */
	arrows[0].cap = KU; arrows[0].mapto = "k"; arrows[0].descr = "up";
	arrows[1].cap = KD; arrows[1].mapto = "j"; arrows[1].descr = "down";
	arrows[2].cap = KL; arrows[2].mapto = "h"; arrows[2].descr = "left";
	arrows[3].cap = KR; arrows[3].mapto = "l"; arrows[3].descr = "right";
	arrows[4].cap = KH; arrows[4].mapto = "H"; arrows[4].descr = "home";

	/*
	 * Handle funny termcap capabilities
	 */
	if (CS && SC && RC) AL=DL="";
	if (AL_PARM && AL==NULL) AL="";
	if (DL_PARM && DL==NULL) DL="";
	if (IC && IM==NULL) IM="";
	if (IC && EI==NULL) EI="";
	if (!GT) BT=NULL;	/* If we can't tab, we can't backtab either */

#ifdef SIGTSTP
	/*
	 * Now map users susp char to ^Z, being careful that the susp
	 * overrides any arrow key, but only for hackers (=new tty driver).
	 */
	if (dosusp) {
		static char sc[2];
		int i;

		sc[0] = tty.c_cc[VSUSP];
		sc[1] = 0;
		if (*sc == CTRL('z')) {
			for (i=0; i<=4; i++)
				if (arrows[i].cap &&
				    arrows[i].cap[0] == CTRL('z'))
					addmac(sc, NULL, NULL, arrows);
		} else
			addmac(sc, "\32", "susp", arrows);
	}
#endif

	options[WINDOW].ovalue = options[WINDOW].odefault = l - 1;
	if (defwind) options[WINDOW].ovalue = defwind;
	options[SCROLL].ovalue = options[SCROLL].odefault = HC ? 11 : ((l-1) / 2);
	if (COLUMNS <= 4)
		COLUMNS = 1000;
	if (!(s = tgoto(CM, 2, 2)) || *s == 'O')	/* OOPS */
		CA = 0, CM = 0;
	else
		CA = 1, costCM = cost(tgoto(CM, 8, 10));
	costSR = cost(SR);
	costAL = cost(AL);
	costDP = cost(tgoto(DOWN_PARM, 10, 10));
	costLP = cost(tgoto(LEFT_PARM, 10, 10));
	costRP = cost(tgoto(RIGHT_PARM, 10, 10));
	PC = xPC ? xPC[0] : 0;
	aoftspace = tspace;
	CP(ex_ttytype, longname(ltcbuf, type));
	if (i <= 0)
		EX_LINES = 2;
	/* proper strings to change tty type */
	termreset();
	value(REDRAW) = AL && DL;
	value(OPTIMIZE) = !CA && !GT;
	if (ex_ospeed == B1200 && !value(REDRAW))
		value(SLOWOPEN) = 1;	/* see also gettmode above */
	if (unknown)
		serror("%s: Unknown terminal type", type);
}