xref: /netbsd/lib/libcurses/curses.c (revision bf9ec67e)
1 /*	$NetBSD: curses.c,v 1.19 2001/12/02 09:14:20 blymn Exp $	*/
2 
3 /*
4  * Copyright (c) 1981, 1993, 1994
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by the University of
18  *	California, Berkeley and its contributors.
19  * 4. Neither the name of the University nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  */
35 
36 #include <sys/cdefs.h>
37 #ifndef lint
38 #if 0
39 static char sccsid[] = "@(#)curses.c	8.3 (Berkeley) 5/4/94";
40 #else
41 __RCSID("$NetBSD: curses.c,v 1.19 2001/12/02 09:14:20 blymn Exp $");
42 #endif
43 #endif				/* not lint */
44 
45 #include "curses.h"
46 
47 /* Private. */
48 int	__echoit = 1;			 /* If stty indicates ECHO. */
49 int	__pfast;
50 int	__rawmode = 0;			 /* If stty indicates RAW mode. */
51 int	__noqch = 0;
52 					 /* If terminal doesn't have
53 					 * insert/delete line capabilities
54 					 * for quick change on refresh.
55 					 */
56 
57 char	PC;
58 char	__tc_am, __tc_bs, __tc_cc, __tc_da, __tc_eo,
59 	__tc_hc, __tc_hl, __tc_in, __tc_mi, __tc_ms,
60 	__tc_nc, __tc_ns, __tc_os, __tc_ul, __tc_ut,
61 	__tc_xb, __tc_xn, __tc_xt, __tc_xs, __tc_xx;
62 char	__CA;
63 int	__tc_pa, __tc_Co, __tc_NC;
64 char	*__tc_ac, *__tc_AB, *__tc_ae, *__tc_AF, *__tc_AL,
65 	*__tc_al, *__tc_as, *__tc_bc, *__tc_bl, *__tc_bt,
66 	*__tc_cd, *__tc_ce, *__tc_cl, *__tc_cm, *__tc_cr,
67 	*__tc_cs, *__tc_dc, *__tc_DL, *__tc_dl, *__tc_dm,
68 	*__tc_DO, *__tc_do, *__tc_eA, *__tc_ed, *__tc_ei,
69 	*__tc_ho, *__tc_Ic, *__tc_ic, *__tc_im, *__tc_Ip,
70 	*__tc_ip, *__tc_k0, *__tc_k1, *__tc_k2, *__tc_k3,
71 	*__tc_k4, *__tc_k5, *__tc_k6, *__tc_k7, *__tc_k8,
72 	*__tc_k9, *__tc_kd, *__tc_ke, *__tc_kh, *__tc_kl,
73 	*__tc_kr, *__tc_ks, *__tc_ku, *__tc_LE, *__tc_ll,
74 	*__tc_ma, *__tc_mb, *__tc_md, *__tc_me, *__tc_mh,
75 	*__tc_mk, *__tc_mm, *__tc_mo, *__tc_mp, *__tc_mr,
76 	*__tc_nd, *__tc_nl, *__tc_oc, *__tc_op,
77 	*__tc_rc, *__tc_RI, *__tc_Sb, *__tc_sc, *__tc_se,
78 	*__tc_SF, *__tc_Sf, *__tc_sf, *__tc_so, *__tc_sp,
79 	*__tc_SR, *__tc_sr, *__tc_ta, *__tc_te, *__tc_ti,
80 	*__tc_uc, *__tc_ue, *__tc_UP, *__tc_up, *__tc_us,
81 	*__tc_vb, *__tc_ve, *__tc_vi, *__tc_vs;
82 
83 /*
84  * Public.
85  *
86  * XXX
87  * UPPERCASE isn't used by libcurses, and is left for backward
88  * compatibility only.
89  */
90 WINDOW	*curscr;			/* Current screen. */
91 WINDOW	*stdscr;			/* Standard screen. */
92 WINDOW	*__virtscr;			/* Virtual screen (for doupdate()). */
93 SCREEN  *_cursesi_screen;               /* the current screen we are using */
94 int	 COLS;				/* Columns on the screen. */
95 int	 LINES;				/* Lines on the screen. */
96 int	 COLORS;			/* Maximum colors on the screen */
97 int	 COLOR_PAIRS;			/* Maximum color pairs on the screen */
98 int	 My_term = 0;			/* Use Def_term regardless. */
99 const char	*Def_term = "unknown";	/* Default terminal type. */
100 char	 __GT;				/* Gtty indicates tabs. */
101 char	 __NONL;			/* Term can't hack LF doing a CR. */
102 char	 __UPPERCASE;			/* Terminal is uppercase only. */
103