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 /* 41 * init_disp contains the initialization code for the display package, 42 * as well as the signal handling routines 43 */ 44 45 #include "talk.h" 46 #include <signal.h> 47 #include <libintl.h> 48 49 #ifdef SYSV 50 #define signal(s, f) sigset(s, f) 51 #endif /* SYSV */ 52 53 static void sig_sent(); 54 55 /* 56 * set up curses, catch the appropriate signals, and build the 57 * various windows 58 */ 59 60 void 61 init_display() 62 { 63 initscr(); 64 curses_initialized = 1; 65 66 clear(); 67 refresh(); 68 69 noecho(); 70 crmode(); 71 72 signal(SIGINT, sig_sent); 73 signal(SIGPIPE, sig_sent); 74 75 /* curses takes care of ^Z */ 76 77 my_win.x_nlines = LINES / 2; 78 my_win.x_ncols = COLS; 79 my_win.x_win = newwin(my_win.x_nlines, my_win.x_ncols, 0, 0); 80 scrollok(my_win.x_win, FALSE); 81 wclear(my_win.x_win); 82 83 rem_win.x_nlines = LINES / 2 - 1; 84 rem_win.x_ncols = COLS; 85 rem_win.x_win = newwin(rem_win.x_nlines, rem_win.x_ncols, 86 my_win.x_nlines+1, 0); 87 scrollok(rem_win.x_win, FALSE); 88 wclear(rem_win.x_win); 89 90 line_win = newwin(1, COLS, my_win.x_nlines, 0); 91 box(line_win, '-', '-'); 92 wrefresh(line_win); 93 94 /* let them know we are working on it */ 95 96 current_state = gettext("No connection yet"); 97 } 98 99 /* 100 * trade edit characters with the other talk. By agreement 101 * the first three characters each talk transmits after 102 * connection are the three edit characters 103 */ 104 105 void 106 set_edit_chars() 107 { 108 char buf[3]; 109 int cc; 110 #ifdef SYSV 111 struct termios tty; 112 ioctl(0, TCGETS, (struct termios *)&tty); 113 114 buf[0] = my_win.cerase = tty.c_cc[VERASE]; 115 /* for SVID should be VERSE */ 116 buf[1] = my_win.kill = tty.c_cc[VKILL]; 117 buf[2] = my_win.werase = tty.c_cc[VWERASE]; 118 /* for SVID should be VWERSE */ 119 #else /* ! SYSV */ 120 struct sgttyb tty; 121 struct ltchars ltc; 122 123 gtty(0, &tty); 124 125 ioctl(0, TIOCGLTC, (struct sgttyb *)<c); 126 127 my_win.cerase = tty.sg_erase; 128 my_win.kill = tty.sg_kill; 129 130 if (ltc.t_werasc == (char)-1) { 131 my_win.werase = '\027'; /* control W */ 132 } else { 133 my_win.werase = ltc.t_werasc; 134 } 135 136 buf[0] = my_win.cerase; 137 buf[1] = my_win.kill; 138 buf[2] = my_win.werase; 139 #endif /* SYSV */ 140 141 cc = write(sockt, buf, sizeof (buf)); 142 143 if (cc != sizeof (buf)) { 144 p_error(gettext("Lost the connection")); 145 } 146 147 cc = read(sockt, buf, sizeof (buf)); 148 149 if (cc != sizeof (buf)) { 150 p_error(gettext("Lost the connection")); 151 } 152 153 rem_win.cerase = buf[0]; 154 rem_win.kill = buf[1]; 155 rem_win.werase = buf[2]; 156 } 157 158 static void 159 sig_sent() 160 { 161 message(gettext("Connection closing. Exiting")); 162 quit(); 163 } 164 165 /* 166 * All done talking...hang up the phone and reset terminal thingy's 167 */ 168 169 void 170 quit() 171 { 172 if (curses_initialized) { 173 wmove(rem_win.x_win, rem_win.x_nlines-1, 0); 174 wclrtoeol(rem_win.x_win); 175 wrefresh(rem_win.x_win); 176 endwin(); 177 } 178 179 if (invitation_waiting) { 180 send_delete(); 181 } 182 183 exit(0); 184 } 185