Adding nametag patch

5 files changed, 69 insertions, 0 deletions

diff --git a/patch/dwmc b/patch/dwmc
index 9536367..763927c 100755
--- a/patch/dwmc
+++ b/patch/dwmc
@@ -10,6 +10,7 @@ case $# in
 	focusurgent) ;&
 	mirrorlayout) ;&
 	mpdcontrol) ;&
+	nametag) ;&
 	pushdown) ;&
 	pushup) ;&
 	self_restart) ;&
diff --git a/patch/include.c b/patch/include.c
index 33232cf..4263f45 100644
--- a/patch/include.c
+++ b/patch/include.c
@@ -193,6 +193,9 @@
 #if MOVESTACK_PATCH
 #include "movestack.c"
 #endif
+#if NAMETAG_PATCH
+#include "nametag.c"
+#endif
 #if NO_MOD_BUTTONS_PATCH
 #include "nomodbuttons.c"
 #endif
diff --git a/patch/include.h b/patch/include.h
index 2a78292..65e0eda 100644
--- a/patch/include.h
+++ b/patch/include.h
@@ -192,6 +192,9 @@
 #if MOVESTACK_PATCH
 #include "movestack.h"
 #endif
+#if NAMETAG_PATCH
+#include "nametag.h"
+#endif
 #if NO_MOD_BUTTONS_PATCH
 #include "nomodbuttons.h"
 #endif
diff --git a/patch/nametag.c b/patch/nametag.c
new file mode 100644
index 0000000..2b7b038
--- /dev/null
+++ b/patch/nametag.c
@@ -0,0 +1,61 @@
+void
+nametag(const Arg *arg)
+{
+	char *p, name[MAX_TAGLEN];
+	FILE *f;
+	int i, group;
+	int tagindex;
+	Monitor *m = selmon;
+	#if BAR_ALTTAGSDECORATION_PATCH
+	Client *c;
+	int occ = 0;
+
+	for (c = m->clients; c; c = c->next)
+		occ |= c->tags == 255 ? 0 : c->tags;
+	#endif // BAR_ALTTAGSDECORATION_PATCH
+
+	errno = 0; // popen(3p) says on failure it "may" set errno
+	if (!(f = popen(NAMETAG_COMMAND, "r"))) {
+		fprintf(stderr, "dwm: popen command failed%s%s\n", errno ? ": " : "", errno ? strerror(errno) : "");
+		return;
+	}
+
+	if (!(p = fgets(name, MAX_TAGLEN, f)) && (i = errno) && ferror(f))
+		fprintf(stderr, "dwm: fgets failed: %s\n", strerror(i));
+
+	pclose(f);
+
+	if (!p)
+		return;
+	if ((p = strchr(name, '\n')))
+		*p = '\0';
+
+	for (i = 0; i < NUMTAGS; i++) {
+		if (m->tagset[m->seltags] & (1 << i)) {
+
+		 	tagindex = i + NUMTAGS * m->num;
+			if (tagindex >= LENGTH(tagicons[DEFAULT_TAGS]))
+				tagindex = tagindex % LENGTH(tagicons[DEFAULT_TAGS]);
+
+			#if BAR_ALTTAGSDECORATION_PATCH
+			if (occ & 1 << i)
+				group = ALT_TAGS_DECORATION;
+			else
+			#endif // BAR_ALTTAGSDECORATION_PATCH
+			#if BAR_ALTERNATIVE_TAGS_PATCH
+			if (m->alttag)
+				group = ALTERNATIVE_TAGS;
+			else
+			#endif // BAR_ALTERNATIVE_TAGS_PATCH
+			group = DEFAULT_TAGS;
+
+			#if NAMETAG_PREPEND_PATCH
+			if (snprintf(tagicons[group][i], MAX_TAGLEN, NAMETAG_FORMAT, i+1, name) < 0)
+				fprintf(stderr, "nametag: if statement to avoid -Wformat-truncation= warnings\n");
+			#else
+			snprintf(tagicons[group][i], MAX_TAGLEN, NAMETAG_FORMAT, name);
+			#endif // NAMETAG_PREPEND_PATCH
+		}
+	}
+	drawbars();
+}
diff --git a/patch/nametag.h b/patch/nametag.h
new file mode 100644
index 0000000..3e632be
--- /dev/null
+++ b/patch/nametag.h
@@ -0,0 +1 @@
+static void nametag(const Arg *arg);