4 * Copyright (c) 2008 James McKenzie <james@fishsoup.dhs.org>,
9 static char rcsid[] = "$Id$";
13 * Revision 1.10 2008/02/26 23:23:17 james
14 * *** empty log message ***
16 * Revision 1.9 2008/02/15 03:32:07 james
17 * *** empty log message ***
19 * Revision 1.8 2008/02/14 10:39:14 james
20 * *** empty log message ***
22 * Revision 1.7 2008/02/14 01:55:57 james
23 * *** empty log message ***
25 * Revision 1.6 2008/02/14 00:57:58 james
26 * *** empty log message ***
28 * Revision 1.5 2008/02/13 18:05:06 james
29 * *** empty log message ***
31 * Revision 1.4 2008/02/13 16:57:29 james
32 * *** empty log message ***
34 * Revision 1.3 2008/02/13 09:12:21 james
35 * *** empty log message ***
37 * Revision 1.2 2008/02/13 01:08:18 james
38 * *** empty log message ***
40 * Revision 1.1 2008/02/12 22:36:46 james
41 * *** empty log message ***
43 * Revision 1.1 2008/02/09 15:47:28 james
44 * *** empty log message ***
46 * Revision 1.2 2008/02/07 11:11:14 staffcvs
47 * *** empty log message ***
49 * Revision 1.1 2008/02/07 01:02:52 james
50 * *** empty log message ***
52 * Revision 1.3 2008/02/06 17:53:28 james
53 * *** empty log message ***
55 * Revision 1.2 2008/02/04 02:05:06 james
56 * *** empty log message ***
58 * Revision 1.1 2008/02/04 01:32:39 james
59 * *** empty log message ***
66 typedef struct TERMINAL_struct
69 struct termios orig_termios;
70 struct TERMINAL_struct *next;
74 static TERMINAL *terminal_list = NULL;
80 terminal_close (TTY * _t)
85 TERMINAL *t = (TERMINAL *) _t;
86 TERMINAL **ptr = &terminal_list;
91 /* Take out of cleanup list */
92 while (*ptr && (*ptr != t))
93 ptr = &((*ptr)->next);
98 tcsetattr (t->wfd, TCSANOW, &t->orig_termios);
100 set_nonblocking (t->wfd);
103 t->xmit (_t,"\033%@",3); //Leave UTF-8
104 t->xmit (_t,"\033(B",3); //US-ASCII in G0
105 t->xmit (_t,"\033)B",3); //US-ASCII in G1
106 t->xmit (_t,"\017",1); //Select G0
107 t->xmit (_t, "\033[r", 3); //No margins
108 t->xmit (_t, "\033[0m", 4); //Default attributes
109 i = sprintf (buf, "\033[%d;%dH", CRT_ROWS + 1, 1); //Cursor to bottom
110 t->xmit (_t, buf, i);
111 t->xmit (_t, "\033[J", 3); //erase rest of screen
113 set_blocking (t->rfd);
114 set_blocking (t->wfd);
121 terminal_atexit (void)
123 while (terminal_list)
124 terminal_close ((TTY *) terminal_list);
142 terminal_getsize (TTY * _t)
144 TERMINAL *t = (TERMINAL *) _t;
145 struct winsize sz = { 0 };
150 if (ioctl (t->wfd, TIOCGWINSZ, &sz))
152 t->size.x = CRT_COLS;
153 t->size.y = CRT_ROWS;
157 t->size.x = sz.ws_col;
158 t->size.y = sz.ws_row;
164 terminal_dispatch (void)
169 if (!terminal_winches)
172 terminal_winches = 0;
174 for (t = terminal_list; t; t = t->next)
175 terminal_getsize ((TTY *) t);
181 terminal_read (TTY * _t, void *buf, int len)
183 TERMINAL *t = (TERMINAL *) _t;
186 terminal_dispatch ();
187 set_nonblocking (t->rfd);
192 red = wrap_read (t->rfd, buf, len);
210 terminal_write (TTY * _t, void *buf, int len)
213 TERMINAL *t = (TERMINAL *) _t;
215 terminal_dispatch ();
217 set_blocking (t->wfd);
222 writ = wrap_write (t->wfd, buf, len);
241 terminal_register_handlers (void)
243 struct sigaction sa = { 0 };
245 sa.sa_handler = sigwinch;
246 sa.sa_flags = SA_RESTART;
247 sigaction (SIGWINCH, &sa, NULL);
249 sa.sa_handler = sigint;
250 sa.sa_flags = SA_RESTART;
251 sigaction (SIGINT, &sa, NULL);
256 terminal_open (int rfd, int wfd)
260 struct termios termios;
262 t = (TERMINAL *) malloc (sizeof (TERMINAL));
264 strcpy (t->name, "terminal");
268 tcgetattr (wfd, &t->orig_termios);
270 t->next = terminal_list;
273 tcgetattr (wfd, &termios);
275 set_nonblocking (rfd);
276 set_nonblocking (wfd);
279 cfmakeraw (&termios);
280 //raw_termios (&termios);
282 tcsetattr (wfd, TCSANOW, &termios);
284 t->recv = terminal_read;
285 t->xmit = terminal_write;
286 t->close = terminal_close;
290 terminal_getsize ((TTY *) t);