/********************************************************************** * Copyright (c) Digital Equipment Corporation 1984, 1985, 1986. * * All Rights Reserved. * * Reference "/usr/src/COPYRIGHT" for applicable restrictions. * **********************************************************************/ static char *Sccsid = "@(#)init_disp.c 3.0 (ULTRIX-11) 4/22/86"; /* * init_disp contains the initialization code for the display package, * as well as the signal handling routines */ #include "talk.h" #include <signal.h> /* * set up curses, catch the appropriate signals, and build the * various windows */ init_display() { void sig_sent(); initscr(); curses_initialized = 1; clear(); refresh(); noecho(); crmode(); signal(SIGINT, sig_sent); signal(SIGPIPE, sig_sent); /* curses takes care of ^Z */ my_win.x_nlines = LINES / 2; my_win.x_ncols = COLS; my_win.x_win = newwin(my_win.x_nlines, my_win.x_ncols, 0, 0); scrollok(my_win.x_win, FALSE); wclear(my_win.x_win); his_win.x_nlines = LINES / 2 - 1; his_win.x_ncols = COLS; his_win.x_win = newwin(his_win.x_nlines, his_win.x_ncols, my_win.x_nlines+1, 0); scrollok(his_win.x_win, FALSE); wclear(his_win.x_win); line_win = newwin(1, COLS, my_win.x_nlines, 0); box(line_win, '-', '-'); wrefresh(line_win); /* let them know we are working on it */ current_state = "No connection yet"; } /* trade edit characters with the other talk. By agreement * the first three characters each talk transmits after * connection are the three edit characters */ set_edit_chars() { char buf[3]; int cc; struct sgttyb tty; struct ltchars ltc; gtty(0, &tty); ioctl(0, TIOCGLTC, (struct sgttyb *) <c); my_win.cerase = tty.sg_erase; my_win.kill = tty.sg_kill; if (ltc.t_werasc == (char) -1) { my_win.werase = '\027'; /* control W */ } else { my_win.werase = ltc.t_werasc; } buf[0] = my_win.cerase; buf[1] = my_win.kill; buf[2] = my_win.werase; cc = write(sockt, buf, sizeof(buf)); if (cc != sizeof(buf) ) { p_error("Lost the connection"); } cc = read(sockt, buf, sizeof(buf)); if (cc != sizeof(buf) ) { p_error("Lost the connection"); } his_win.cerase = buf[0]; his_win.kill = buf[1]; his_win.werase = buf[2]; } void sig_sent() { message("Connection closing. Exiting"); quit(); } /* * All done talking...hang up the phone and reset terminal thingy's */ quit() { if (curses_initialized) { wmove(his_win.x_win, his_win.x_nlines-1, 0); wclrtoeol(his_win.x_win); wrefresh(his_win.x_win); endwin(); } if (invitation_waiting) { send_delete(); } exit(0); }