static unsigned long
phosphor_draw (Display *dpy, Window window, void *closure)
{
p_state *state = (p_state *) closure;
update_display (state, True);
decay (state);
drain_input (state);
return state->delay;
}
/* Returns a newly-allocated string with one word in it, or NULL if there
is no complete word available.
*/
static char *
get_word_text (state *s)
{
char *start = s->buf;
char *end;
char *result = 0;
int lfs = 0;
drain_input (s);
if (unread_word_text)
{
start = unread_word_text;
unread_word_text = 0;
return start;
}
/* Skip over whitespace at the beginning of the buffer,
and count up how many linebreaks we see while doing so.
*/
while (*start &&
(*start == ' ' ||
*start == '\t' ||
*start == '\r' ||
*start == '\n'))
{
if (*start == '\n' || (*start == '\r' && start[1] != '\n'))
lfs++;
start++;
}
end = start;
/* If we saw a blank line, then return NULL (treat it as a temporary "eof",
to trigger a sentence break here.) */
if (lfs >= 2)
goto DONE;
/* Skip forward to the end of this word (find next whitespace.) */
while (*end &&
(! (*end == ' ' ||
*end == '\t' ||
*end == '\r' ||
*end == '\n')))
end++;
/* If we have a word, allocate a string for it */
if (end > start)
{
result = malloc ((end - start) + 1);
strncpy (result, start, (end-start));
result [end-start] = 0;
}
DONE:
/* Make room in the buffer by compressing out any bytes we've processed.
*/
if (end > s->buf)
{
int n = end - s->buf;
memmove (s->buf, end, sizeof(s->buf) - n);
s->buf_tail -= n;
}
return result;
}
static void
subproc_cb (XtPointer closure, int *source, XtInputId *id)
{
sws_configuration *sc = (sws_configuration *) closure;
drain_input (sc);
}
