xref: /onnv-gate/usr/src/cmd/cmd-inet/usr.bin/talk/init_disp.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 1994 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate /*	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T	*/
28*0Sstevel@tonic-gate /*	  All Rights Reserved  	*/
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate /*
31*0Sstevel@tonic-gate  * University Copyright- Copyright (c) 1982, 1986, 1988
32*0Sstevel@tonic-gate  * The Regents of the University of California
33*0Sstevel@tonic-gate  * All Rights Reserved
34*0Sstevel@tonic-gate  *
35*0Sstevel@tonic-gate  * University Acknowledgment- Portions of this document are derived from
36*0Sstevel@tonic-gate  * software developed by the University of California, Berkeley, and its
37*0Sstevel@tonic-gate  * contributors.
38*0Sstevel@tonic-gate  */
39*0Sstevel@tonic-gate 
40*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
41*0Sstevel@tonic-gate 
42*0Sstevel@tonic-gate /*
43*0Sstevel@tonic-gate  * init_disp contains the initialization code for the display package,
44*0Sstevel@tonic-gate  * as well as the signal handling routines
45*0Sstevel@tonic-gate  */
46*0Sstevel@tonic-gate 
47*0Sstevel@tonic-gate #include "talk.h"
48*0Sstevel@tonic-gate #include <signal.h>
49*0Sstevel@tonic-gate #include <libintl.h>
50*0Sstevel@tonic-gate 
51*0Sstevel@tonic-gate #ifdef SYSV
52*0Sstevel@tonic-gate #define	signal(s, f)	sigset(s, f)
53*0Sstevel@tonic-gate #endif /* SYSV */
54*0Sstevel@tonic-gate 
55*0Sstevel@tonic-gate static void sig_sent();
56*0Sstevel@tonic-gate 
57*0Sstevel@tonic-gate /*
58*0Sstevel@tonic-gate  * set up curses, catch the appropriate signals, and build the
59*0Sstevel@tonic-gate  * various windows
60*0Sstevel@tonic-gate  */
61*0Sstevel@tonic-gate 
62*0Sstevel@tonic-gate void
init_display()63*0Sstevel@tonic-gate init_display()
64*0Sstevel@tonic-gate {
65*0Sstevel@tonic-gate 	initscr();
66*0Sstevel@tonic-gate 	curses_initialized = 1;
67*0Sstevel@tonic-gate 
68*0Sstevel@tonic-gate 	clear();
69*0Sstevel@tonic-gate 	refresh();
70*0Sstevel@tonic-gate 
71*0Sstevel@tonic-gate 	noecho();
72*0Sstevel@tonic-gate 	crmode();
73*0Sstevel@tonic-gate 
74*0Sstevel@tonic-gate 	signal(SIGINT, sig_sent);
75*0Sstevel@tonic-gate 	signal(SIGPIPE, sig_sent);
76*0Sstevel@tonic-gate 
77*0Sstevel@tonic-gate 	/* curses takes care of ^Z */
78*0Sstevel@tonic-gate 
79*0Sstevel@tonic-gate 	my_win.x_nlines = LINES / 2;
80*0Sstevel@tonic-gate 	my_win.x_ncols = COLS;
81*0Sstevel@tonic-gate 	my_win.x_win = newwin(my_win.x_nlines, my_win.x_ncols, 0, 0);
82*0Sstevel@tonic-gate 	scrollok(my_win.x_win, FALSE);
83*0Sstevel@tonic-gate 	wclear(my_win.x_win);
84*0Sstevel@tonic-gate 
85*0Sstevel@tonic-gate 	rem_win.x_nlines = LINES / 2 - 1;
86*0Sstevel@tonic-gate 	rem_win.x_ncols = COLS;
87*0Sstevel@tonic-gate 	rem_win.x_win = newwin(rem_win.x_nlines, rem_win.x_ncols,
88*0Sstevel@tonic-gate 						my_win.x_nlines+1, 0);
89*0Sstevel@tonic-gate 	scrollok(rem_win.x_win, FALSE);
90*0Sstevel@tonic-gate 	wclear(rem_win.x_win);
91*0Sstevel@tonic-gate 
92*0Sstevel@tonic-gate 	line_win = newwin(1, COLS, my_win.x_nlines, 0);
93*0Sstevel@tonic-gate 	box(line_win, '-', '-');
94*0Sstevel@tonic-gate 	wrefresh(line_win);
95*0Sstevel@tonic-gate 
96*0Sstevel@tonic-gate 	/* let them know we are working on it */
97*0Sstevel@tonic-gate 
98*0Sstevel@tonic-gate 	current_state = gettext("No connection yet");
99*0Sstevel@tonic-gate }
100*0Sstevel@tonic-gate 
101*0Sstevel@tonic-gate 	/*
102*0Sstevel@tonic-gate 	 * trade edit characters with the other talk. By agreement
103*0Sstevel@tonic-gate 	 * the first three characters each talk transmits after
104*0Sstevel@tonic-gate 	 * connection are the three edit characters
105*0Sstevel@tonic-gate 	 */
106*0Sstevel@tonic-gate 
107*0Sstevel@tonic-gate void
set_edit_chars()108*0Sstevel@tonic-gate set_edit_chars()
109*0Sstevel@tonic-gate {
110*0Sstevel@tonic-gate 	char buf[3];
111*0Sstevel@tonic-gate 	int cc;
112*0Sstevel@tonic-gate #ifdef SYSV
113*0Sstevel@tonic-gate 	struct termios tty;
114*0Sstevel@tonic-gate 	ioctl(0, TCGETS, (struct termios *)&tty);
115*0Sstevel@tonic-gate 
116*0Sstevel@tonic-gate 	buf[0] = my_win.cerase = tty.c_cc[VERASE];
117*0Sstevel@tonic-gate 					/* for SVID should be VERSE */
118*0Sstevel@tonic-gate 	buf[1] = my_win.kill = tty.c_cc[VKILL];
119*0Sstevel@tonic-gate 	buf[2] = my_win.werase = tty.c_cc[VWERASE];
120*0Sstevel@tonic-gate 					/* for SVID should be VWERSE */
121*0Sstevel@tonic-gate #else /* ! SYSV */
122*0Sstevel@tonic-gate 	struct sgttyb tty;
123*0Sstevel@tonic-gate 	struct ltchars ltc;
124*0Sstevel@tonic-gate 
125*0Sstevel@tonic-gate 	gtty(0, &tty);
126*0Sstevel@tonic-gate 
127*0Sstevel@tonic-gate 	ioctl(0, TIOCGLTC, (struct sgttyb *)&ltc);
128*0Sstevel@tonic-gate 
129*0Sstevel@tonic-gate 	my_win.cerase = tty.sg_erase;
130*0Sstevel@tonic-gate 	my_win.kill = tty.sg_kill;
131*0Sstevel@tonic-gate 
132*0Sstevel@tonic-gate 	if (ltc.t_werasc == (char)-1) {
133*0Sstevel@tonic-gate 		my_win.werase = '\027';	 /* control W */
134*0Sstevel@tonic-gate 	} else {
135*0Sstevel@tonic-gate 		my_win.werase = ltc.t_werasc;
136*0Sstevel@tonic-gate 	}
137*0Sstevel@tonic-gate 
138*0Sstevel@tonic-gate 	buf[0] = my_win.cerase;
139*0Sstevel@tonic-gate 	buf[1] = my_win.kill;
140*0Sstevel@tonic-gate 	buf[2] = my_win.werase;
141*0Sstevel@tonic-gate #endif /* SYSV */
142*0Sstevel@tonic-gate 
143*0Sstevel@tonic-gate 	cc = write(sockt, buf, sizeof (buf));
144*0Sstevel@tonic-gate 
145*0Sstevel@tonic-gate 	if (cc != sizeof (buf)) {
146*0Sstevel@tonic-gate 		p_error(gettext("Lost the connection"));
147*0Sstevel@tonic-gate 	}
148*0Sstevel@tonic-gate 
149*0Sstevel@tonic-gate 	cc = read(sockt, buf, sizeof (buf));
150*0Sstevel@tonic-gate 
151*0Sstevel@tonic-gate 	if (cc != sizeof (buf)) {
152*0Sstevel@tonic-gate 		p_error(gettext("Lost the connection"));
153*0Sstevel@tonic-gate 	}
154*0Sstevel@tonic-gate 
155*0Sstevel@tonic-gate 	rem_win.cerase = buf[0];
156*0Sstevel@tonic-gate 	rem_win.kill = buf[1];
157*0Sstevel@tonic-gate 	rem_win.werase = buf[2];
158*0Sstevel@tonic-gate }
159*0Sstevel@tonic-gate 
160*0Sstevel@tonic-gate static void
sig_sent()161*0Sstevel@tonic-gate sig_sent()
162*0Sstevel@tonic-gate {
163*0Sstevel@tonic-gate 	message(gettext("Connection closing. Exiting"));
164*0Sstevel@tonic-gate 	quit();
165*0Sstevel@tonic-gate }
166*0Sstevel@tonic-gate 
167*0Sstevel@tonic-gate /*
168*0Sstevel@tonic-gate  * All done talking...hang up the phone and reset terminal thingy's
169*0Sstevel@tonic-gate  */
170*0Sstevel@tonic-gate 
171*0Sstevel@tonic-gate void
quit()172*0Sstevel@tonic-gate quit()
173*0Sstevel@tonic-gate {
174*0Sstevel@tonic-gate 	if (curses_initialized) {
175*0Sstevel@tonic-gate 		wmove(rem_win.x_win, rem_win.x_nlines-1, 0);
176*0Sstevel@tonic-gate 		wclrtoeol(rem_win.x_win);
177*0Sstevel@tonic-gate 		wrefresh(rem_win.x_win);
178*0Sstevel@tonic-gate 		endwin();
179*0Sstevel@tonic-gate 	}
180*0Sstevel@tonic-gate 
181*0Sstevel@tonic-gate 	if (invitation_waiting) {
182*0Sstevel@tonic-gate 		send_delete();
183*0Sstevel@tonic-gate 	}
184*0Sstevel@tonic-gate 
185*0Sstevel@tonic-gate 	exit(0);
186*0Sstevel@tonic-gate }
187