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