/*
* $Log$
+ * Revision 1.10 2008/02/07 01:02:52 james
+ * *** empty log message ***
+ *
+ * Revision 1.9 2008/02/07 00:43:27 james
+ * *** empty log message ***
+ *
+ * Revision 1.8 2008/02/07 00:39:13 james
+ * *** empty log message ***
+ *
+ * Revision 1.7 2008/02/06 20:26:57 james
+ * *** empty log message ***
+ *
+ * Revision 1.6 2008/02/06 17:53:28 james
+ * *** empty log message ***
+ *
+ * Revision 1.5 2008/02/06 15:53:22 james
+ * *** empty log message ***
+ *
* Revision 1.4 2008/02/04 20:23:55 james
* *** empty log message ***
*
*/
#include "project.h"
+static void
+set_nonblocking (int fd)
+{
+ long arg;
+ arg = fcntl (fd, F_GETFL, arg);
+ arg |= O_NONBLOCK;
+ fcntl (fd, F_SETFL, arg);
+}
+
+static void
+set_blocking (int fd)
+{
+ long arg;
+ arg = fcntl (fd, F_GETFL, arg);
+ arg &= ~O_NONBLOCK;
+ fcntl (fd, F_SETFL, arg);
+}
+
+
+int
+ansi_read (ANSI * a, void *buf, int n)
+{
+ int red;
+
+ set_nonblocking (a->fd);
+ red = read (a->fd, buf, n);
+
+ if (!red)
+ return -1;
+
+ if ((red == -1) && (errno == EAGAIN))
+ {
+ return 0;
+ }
+
+ return red;
+}
+
void
ansi_write (ANSI * a, char *buf, int n)
{
+ set_blocking (a->fd);
write (a->fd, buf, n);
}
}
if (dif & CRT_ATTR_BOLD)
{
- if (attr & CRT_ATTR_REVERSE)
+ if (attr & CRT_ATTR_BOLD)
{
ansi_write (a, "\033[1m", 4);
}
else
{
+ ansi_write (a, "\033[21m", 5);
ansi_write (a, "\033[22m", 5);
}
}
{
CRT_Pos p;
int o;
-
- ansi_showhide_cursor (a, 1);
+ int hidden_cursor = 0;
for (p.y = 0; p.y < CRT_ROWS; ++p.y)
{
continue;
if (crt_ca_cmp (a->crt.screen[o], c->screen[o]))
{
+ ansi_showhide_cursor (a, 1);
a->crt.screen[o] = c->screen[o];
ansi_move (a, p);
}
}
+
+ if ((CRT_COLS > a->size.x) || (CRT_ROWS > a->size.y))
+ {
+ char msg[] = "Window is too small";
+ p.x = 0;
+ p.y = 0;
+
+ ansi_showhide_cursor (a, 1);
+ ansi_set_attr (a, CRT_ATTR_REVERSE);
+ ansi_move (a, p);
+
+ ansi_write (a, msg, sizeof (msg));
+ a->pos.x = ANSI_INVAL;
+ }
+
+
+ if ((c->pos.x >= a->size.x) || (c->pos.y >= a->size.y))
+ {
+ ansi_showhide_cursor (a, 1);
+ return;
+ }
+
a->crt.pos = c->pos;
ansi_move (a, a->crt.pos);
crt_reset (&a->crt);
ansi_cls (a);
+ ansi_write (a, "\033=", 2);
ansi_draw (a, &a->crt);
}
+
+void
+ansi_flush_escape (ANSI * a, VT102 * v)
+{
+ ANSI_Parser *p = &a->parser;
+ int i;
+
+ for (i = 0; i < p->escape_ptr; ++i)
+ {
+ vt102_send (v, p->escape_buf[i]);
+ }
+
+ p->escape_ptr = 0;
+ p->in_escape = 0;
+}
+
+void
+ansi_parse_deckey (ANSI * a, VT102 * v)
+{
+ ANSI_Parser *p = &a->parser;
+ if ((p->escape_buf[1] != '[') && (p->escape_buf[1] != 'O'))
+ {
+ ansi_flush_escape (a, v);
+ return;
+ }
+
+ if ((p->escape_buf[2] >= 'A') || (p->escape_buf[2] <= 'Z'))
+ {
+ vt102_send (v, KEY_UP + (p->escape_buf[2] - 'A'));
+ }
+ else if ((p->escape_buf[2] >= 'a') || (p->escape_buf[2] <= 'z'))
+ {
+ vt102_send (v, KEY_154 + (p->escape_buf[2] - 'a'));
+ }
+ else
+ {
+ ansi_flush_escape (a, v);
+ return;
+ }
+ p->in_escape = 0;
+ p->escape_ptr = 0;
+}
+
+void
+ansi_parse_ansikey (ANSI * a, VT102 * v)
+{
+ ANSI_Parser *p = &a->parser;
+
+ if ((p->escape_buf[1] != '[') || (p->escape_buf[3] != '~'))
+ {
+ ansi_flush_escape (a, v);
+ return;
+ }
+ if ((p->escape_buf[2] >= '0') || (p->escape_buf[2] <= '9'))
+ {
+ vt102_send (v, KEY_180 + (p->escape_buf[2] - '0'));
+ }
+ else
+ {
+ ansi_flush_escape (a, v);
+ return;
+ }
+
+ p->in_escape = 0;
+ p->escape_ptr = 0;
+}
+
+
+
+void
+ansi_parse_escape (ANSI * a, VT102 * v)
+{
+ ANSI_Parser *p = &a->parser;
+ switch (p->escape_ptr)
+ {
+ case 0:
+ case 1:
+ return;
+ case 2:
+ switch (p->escape_buf[1])
+ {
+ case '[':
+ case 'O':
+ break;
+ default:
+ ansi_flush_escape (a, v);
+ }
+ break;
+ case 3:
+ switch (p->escape_buf[1])
+ {
+ case 'O':
+ ansi_parse_deckey (a, v);
+ break;
+ case '[':
+ if ((p->escape_buf[2] >= 'A') && (p->escape_buf[2] <= 'Z'))
+ ansi_parse_deckey (a, v);
+ break;
+ default:
+ ansi_flush_escape (a, v);
+ }
+ break;
+ case 4:
+ switch (p->escape_buf[1])
+ {
+ case '[':
+ ansi_parse_ansikey (a, v);
+ break;
+ default:
+ ansi_flush_escape (a, v);
+ }
+ break;
+ case 5:
+ ansi_flush_escape (a, v);
+ }
+}
+
+
+void
+ansi_check_escape (ANSI * a, VT102 * v)
+{
+ ANSI_Parser *p = &a->parser;
+ struct timeval now, diff;
+ gettimeofday (&now, NULL);
+ timersub (&now, &p->last_escape, &diff);
+
+#if 0
+ fprintf (stderr, "ie %d tl %d.%06d eb %d\n",
+ p->in_escape, diff.tv_sec, diff.tv_usec, p->escape_ptr);
+#endif
+
+ if (!p->in_escape)
+ return;
+
+
+ /*Time up? */
+ if (diff.tv_sec || (diff.tv_usec > ANSI_ESCAPE_TIMEOUT))
+ ansi_flush_escape (a, v);
+
+}
+
+
+void
+ansi_parse_char (ANSI * a, int c, VT102 * v)
+{
+ ANSI_Parser *p = &a->parser;
+
+
+/*See if it's time to flush the escape*/
+ ansi_check_escape (a, v);
+
+ if (c == 033)
+ {
+ if (p->in_escape)
+ ansi_flush_escape (a, v);
+
+ p->in_escape++;
+ p->escape_ptr = 0;
+ gettimeofday (&p->last_escape, NULL);
+ }
+
+ if (p->in_escape)
+ {
+ p->escape_buf[p->escape_ptr++] = c;
+ ansi_parse_escape (a, v);
+ }
+ else
+ {
+ vt102_send (v, c);
+ }
+
+}
+
+void
+ansi_parse (ANSI * a, char *buf, int len, VT102 * v)
+{
+ while (len--)
+ ansi_parse_char (a, *(buf++), v);
+}
+
+int
+ansi_dispatch (ANSI * a, VT102 * v)
+{
+ char buf[1024];
+ int red;
+
+ ansi_check_escape (a, v);
+
+
+ red = ansi_read (a, buf, sizeof (buf));
+ if (red <= 0)
+ return red;
+
+#if 0
+ if (*buf == 3)
+ return -1;
+#endif
+
+ ansi_parse (a, buf, red, v);
+
+ return 0;
+}
~ianmdlvl / sympathy.git / blobdiff