lib_ttyflags.c revision 1.2 
1/*	$OpenBSD: lib_ttyflags.c,v 1.2 1999/08/15 11:40:55 millert Exp $	*/
2
3/****************************************************************************
4 * Copyright (c) 1998 Free Software Foundation, Inc.                        *
5 *                                                                          *
6 * Permission is hereby granted, free of charge, to any person obtaining a  *
7 * copy of this software and associated documentation files (the            *
8 * "Software"), to deal in the Software without restriction, including      *
9 * without limitation the rights to use, copy, modify, merge, publish,      *
10 * distribute, distribute with modifications, sublicense, and/or sell       *
11 * copies of the Software, and to permit persons to whom the Software is    *
12 * furnished to do so, subject to the following conditions:                 *
13 *                                                                          *
14 * The above copyright notice and this permission notice shall be included  *
15 * in all copies or substantial portions of the Software.                   *
16 *                                                                          *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
20 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
21 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
22 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
23 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
24 *                                                                          *
25 * Except as contained in this notice, the name(s) of the above copyright   *
26 * holders shall not be used in advertising or otherwise to promote the     *
27 * sale, use or other dealings in this Software without prior written       *
28 * authorization.                                                           *
29 ****************************************************************************/
30
31/*
32 *		def_prog_mode()
33 *		def_shell_mode()
34 *		reset_prog_mode()
35 *		reset_shell_mode()
36 *		savetty()
37 *		resetty()
38 */
39
40#include <curses.priv.h>
41#include <term.h>	/* cur_term */
42
43MODULE_ID("$From: lib_ttyflags.c,v 1.2 1999/07/24 22:36:12 tom Exp $")
44
45#undef tabs
46
47#ifdef TAB3
48# define tabs TAB3
49#else
50# ifdef XTABS
51#  define tabs XTABS
52# else
53#  ifdef OXTABS
54#   define tabs OXTABS
55#  else
56#   define tabs 0
57#  endif
58# endif
59#endif
60
61int _nc_get_tty_mode(TTY *buf)
62{
63	if (cur_term == 0
64	 || GET_TTY(cur_term->Filedes, buf) != 0)
65		return(ERR);
66	TR(TRACE_BITS,("_nc_get_tty_mode: %s", _nc_tracebits()));
67	return (OK);
68}
69
70int _nc_set_tty_mode(TTY *buf)
71{
72	if (cur_term == 0
73	 || SET_TTY(cur_term->Filedes, buf) != 0)
74		return(ERR);
75	TR(TRACE_BITS,("_nc_set_tty_mode: %s", _nc_tracebits()));
76	return (OK);
77}
78
79int def_shell_mode(void)
80{
81	T((T_CALLED("def_shell_mode()")));
82
83	/*
84	 * Turn off the XTABS bit in the tty structure if it was on.  If XTABS
85	 * was on, remove the tab and backtab capabilities.
86	 */
87
88	if (_nc_get_tty_mode(&cur_term->Ottyb) != OK)
89		returnCode(ERR);
90#ifdef TERMIOS
91	if (cur_term->Ottyb.c_oflag & tabs)
92		tab = back_tab = NULL;
93#else
94	if (cur_term->Ottyb.sg_flags & XTABS)
95		tab = back_tab = NULL;
96#endif
97	returnCode(OK);
98}
99
100int def_prog_mode(void)
101{
102	T((T_CALLED("def_prog_mode()")));
103
104	if (_nc_get_tty_mode(&cur_term->Nttyb) != OK)
105		returnCode(ERR);
106#ifdef TERMIOS
107	cur_term->Nttyb.c_oflag &= ~tabs;
108#else
109	cur_term->Nttyb.sg_flags &= ~XTABS;
110#endif
111	returnCode(OK);
112}
113
114int reset_prog_mode(void)
115{
116	T((T_CALLED("reset_prog_mode()")));
117
118	if (cur_term != 0) {
119		_nc_set_tty_mode(&cur_term->Nttyb);
120		if (SP) {
121			if (stdscr && stdscr->_use_keypad)
122				_nc_keypad(TRUE);
123			NC_BUFFERED(TRUE);
124		}
125		returnCode(OK);
126	}
127	returnCode(ERR);
128}
129
130int reset_shell_mode(void)
131{
132	T((T_CALLED("reset_shell_mode()")));
133
134	if (cur_term != 0) {
135		if (SP)
136		{
137			_nc_keypad(FALSE);
138			fflush(SP->_ofp);
139			NC_BUFFERED(FALSE);
140		}
141		returnCode(_nc_set_tty_mode(&cur_term->Ottyb));
142	}
143	returnCode(ERR);
144}
145
146/*
147**	savetty()  and  resetty()
148**
149*/
150
151static TTY   buf;
152
153int savetty(void)
154{
155	T((T_CALLED("savetty()")));
156
157	returnCode(_nc_get_tty_mode(&buf));
158}
159
160int resetty(void)
161{
162	T((T_CALLED("resetty()")));
163
164	returnCode(_nc_set_tty_mode(&buf));
165}
166