dmenu/patch/dynamicoptions.c

78 lines
1.9 KiB
C

static void
refreshoptions()
{
int dynlen = strlen(dynamic);
char* cmd= malloc(dynlen + strlen(text) + 2);
if (cmd == NULL)
die("malloc:");
sprintf(cmd, "%s %s", dynamic, text);
FILE *stream = popen(cmd, "r");
if (!stream)
die("popen(%s):", cmd);
readstream(stream);
int pc = pclose(stream);
if (pc == -1)
die("pclose:");
free(cmd);
curr = sel = items;
}
static void
readstream(FILE* stream)
{
char buf[sizeof text], *p;
size_t i, imax = 0, size = 0;
unsigned int tmpmax = 0;
/* read each line from stdin and add it to the item list */
for (i = 0; fgets(buf, sizeof buf, stream); i++) {
if (i + 1 >= size / sizeof *items)
if (!(items = realloc(items, (size += BUFSIZ))))
die("cannot realloc %u bytes:", size);
if ((p = strchr(buf, '\n')))
*p = '\0';
if (!(items[i].text = strdup(buf)))
die("cannot strdup %u bytes:", strlen(buf) + 1);
#if TSV_PATCH
if ((p = strchr(buf, '\t')))
*p = '\0';
if (!(items[i].stext = strdup(buf)))
die("cannot strdup %u bytes:", strlen(buf) + 1);
#endif // TSV_PATCH
#if MULTI_SELECTION_PATCH
items[i].id = i;
#else
items[i].out = 0;
#endif // MULTI_SELECTION_PATCH
#if HIGHPRIORITY_PATCH
items[i].hp = arrayhas(hpitems, hplength, items[i].text);
#endif // HIGHPRIORITY_PATCH
#if PANGO_PATCH
drw_font_getexts(drw->font, buf, strlen(buf), &tmpmax, NULL, True);
#else
drw_font_getexts(drw->fonts, buf, strlen(buf), &tmpmax, NULL);
#endif // PANGO_PATCH
if (tmpmax > inputw) {
inputw = tmpmax;
imax = i;
}
}
/* If the command did not give any output at all, then do not clear the existing items */
if (!i)
return;
if (items)
items[i].text = NULL;
#if PANGO_PATCH
inputw = items ? TEXTWM(items[imax].text) : 0;
#else
inputw = items ? TEXTW(items[imax].text) : 0;
#endif // PANGO_PATCH
if (!dynamic || !*dynamic)
lines = MIN(lines, i);
else {
text[0] = '\0';
cursor = 0;
}
}