4 * Copyright (c) 2008 James McKenzie <james@fishsoup.dhs.org>,
9 static char rcsid[] = "$Id$";
13 * Revision 1.9 2008/02/15 03:32:07 james
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63 typedef struct TERMINAL_struct
66 struct termios orig_termios;
67 struct TERMINAL_struct *next;
71 static TERMINAL *terminal_list = NULL;
77 terminal_close (TTY * _t)
82 TERMINAL *t = (TERMINAL *) _t;
83 TERMINAL **ptr = &terminal_list;
88 /* Take out of cleanup list */
89 while (*ptr && (*ptr != t))
90 ptr = &((*ptr)->next);
95 tcsetattr (t->wfd, TCSANOW, &t->orig_termios);
97 set_nonblocking (t->wfd);
100 t->xmit (_t, "\033[r", 3);
101 t->xmit (_t, "\033[0m", 4);
102 i = sprintf (buf, "\033[%d;%dH", CRT_ROWS + 1, 1);
103 t->xmit (_t, buf, i);
104 t->xmit (_t, "\033[J", 3);
106 set_blocking (t->rfd);
107 set_blocking (t->wfd);
114 terminal_atexit (void)
116 while (terminal_list)
117 terminal_close ((TTY *) terminal_list);
135 terminal_getsize (TTY * _t)
137 TERMINAL *t = (TERMINAL *) _t;
138 struct winsize sz = { 0 };
143 if (ioctl (t->wfd, TIOCGWINSZ, &sz))
145 t->size.x = CRT_COLS;
146 t->size.y = CRT_ROWS;
150 t->size.x = sz.ws_col;
151 t->size.y = sz.ws_row;
157 terminal_dispatch (void)
162 if (!terminal_winches)
165 terminal_winches = 0;
167 for (t = terminal_list; t; t = t->next)
168 terminal_getsize ((TTY *) t);
174 terminal_read (TTY * _t, void *buf, int len)
176 TERMINAL *t = (TERMINAL *) _t;
179 terminal_dispatch ();
180 set_nonblocking (t->rfd);
185 red = wrap_read (t->rfd, buf, len);
203 terminal_write (TTY * _t, void *buf, int len)
206 TERMINAL *t = (TERMINAL *) _t;
208 terminal_dispatch ();
210 set_blocking (t->wfd);
215 writ = wrap_write (t->wfd, buf, len);
234 terminal_register_handlers (void)
236 struct sigaction sa = { 0 };
238 sa.sa_handler = sigwinch;
239 sa.sa_flags = SA_RESTART;
240 sigaction (SIGWINCH, &sa, NULL);
242 sa.sa_handler = sigint;
243 sa.sa_flags = SA_RESTART;
244 sigaction (SIGINT, &sa, NULL);
249 terminal_open (int rfd, int wfd)
253 struct termios termios;
255 t = (TERMINAL *) malloc (sizeof (TERMINAL));
257 strcpy (t->name, "terminal");
261 tcgetattr (wfd, &t->orig_termios);
263 t->next = terminal_list;
266 tcgetattr (wfd, &termios);
268 set_nonblocking (rfd);
269 set_nonblocking (wfd);
272 cfmakeraw (&termios);
273 //raw_termios (&termios);
275 tcsetattr (wfd, TCSANOW, &termios);
277 t->recv = terminal_read;
278 t->xmit = terminal_write;
279 t->close = terminal_close;
283 terminal_getsize ((TTY *) t);