mirror of
https://github.com/mintycube/dwm.git
synced 2024-10-22 14:05:45 +02:00
62 lines
1.5 KiB
C
62 lines
1.5 KiB
C
void
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nametag(const Arg *arg)
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{
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char *p, name[MAX_TAGLEN];
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FILE *f;
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int i, group;
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int tagindex;
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Monitor *m = selmon;
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#if BAR_ALTTAGSDECORATION_PATCH
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Client *c;
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int occ = 0;
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for (c = m->clients; c; c = c->next)
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occ |= c->tags == 255 ? 0 : c->tags;
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#endif // BAR_ALTTAGSDECORATION_PATCH
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errno = 0; // popen(3p) says on failure it "may" set errno
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if (!(f = popen(NAMETAG_COMMAND, "r"))) {
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fprintf(stderr, "dwm: popen command failed%s%s\n", errno ? ": " : "", errno ? strerror(errno) : "");
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return;
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}
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if (!(p = fgets(name, MAX_TAGLEN, f)) && (i = errno) && ferror(f))
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fprintf(stderr, "dwm: fgets failed: %s\n", strerror(i));
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pclose(f);
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if (!p)
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return;
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if ((p = strchr(name, '\n')))
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*p = '\0';
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for (i = 0; i < NUMTAGS; i++) {
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if (m->tagset[m->seltags] & (1 << i)) {
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tagindex = i + NUMTAGS * m->num;
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if (tagindex >= LENGTH(tagicons[DEFAULT_TAGS]))
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tagindex = tagindex % LENGTH(tagicons[DEFAULT_TAGS]);
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#if BAR_ALTTAGSDECORATION_PATCH
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if (occ & 1 << i)
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group = ALT_TAGS_DECORATION;
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else
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#endif // BAR_ALTTAGSDECORATION_PATCH
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#if BAR_ALTERNATIVE_TAGS_PATCH
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if (m->alttag)
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group = ALTERNATIVE_TAGS;
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else
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#endif // BAR_ALTERNATIVE_TAGS_PATCH
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group = DEFAULT_TAGS;
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#if NAMETAG_PREPEND_PATCH
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if (snprintf(tagicons[group][i], MAX_TAGLEN, NAMETAG_FORMAT, i+1, name) < 0)
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fprintf(stderr, "nametag: if statement to avoid -Wformat-truncation= warnings\n");
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#else
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snprintf(tagicons[group][i], MAX_TAGLEN, NAMETAG_FORMAT, name);
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#endif // NAMETAG_PREPEND_PATCH
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}
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}
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drawbars();
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}
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