[hackers] [dwm][PATCH] Display an alternative text for occupied tags

---
 config.def.h |  1 +
 dwm.c        | 22 ++++++++++++----------
 2 files changed, 13 insertions(+), 10 deletions(-)
diff --git a/config.def.h b/config.def.h
index 1c0b587..d4b11fc 100644
--- a/config.def.h
+++ b/config.def.h
_AT_@ -20,6 +20,7 @@ static const char *colors[][3]      = {
 
 /* tagging */
 static const char *tags[] = { "1", "2", "3", "4", "5", "6", "7", "8", "9" };
+static const char *alttags[] = { "<01>", "<02>", "<03>", "<04>", "<05>" };
 
 static const Rule rules[] = {
 	/* xprop(1):
diff --git a/dwm.c b/dwm.c
index 4465af1..a394159 100644
--- a/dwm.c
+++ b/dwm.c
_AT_@ -416,7 +416,7 @@ attachstack(Client *c)
 void
 buttonpress(XEvent *e)
 {
-	unsigned int i, x, click;
+	unsigned int i, x, click, occ;
 	Arg arg = {0};
 	Client *c;
 	Monitor *m;
_AT_@ -430,9 +430,13 @@ buttonpress(XEvent *e)
 		focus(NULL);
 	}
 	if (ev->window == selmon->barwin) {
-		i = x = 0;
+		i = x = occ = 0;
+		/* Bitmask of occupied tags */
+		for (c = m->clients; c; c = c->next)
+			occ |= c->tags;
+
 		do
-			x += TEXTW(tags[i]);
+			x += TEXTW(occ & 1 << i ? alttags[i] : tags[i]);
 		while (ev->x >= x && ++i < LENGTH(tags));
 		if (i < LENGTH(tags)) {
 			click = ClkTagBar;
_AT_@ -699,6 +703,7 @@ drawbar(Monitor *m)
 	int boxs = drw->fonts->h / 9;
 	int boxw = drw->fonts->h / 6 + 2;
 	unsigned int i, occ = 0, urg = 0;
+	const char *tagtext;
 	Client *c;
 
 	/* draw status first so it can be overdrawn by tags later */
_AT_@ -715,13 +720,10 @@ drawbar(Monitor *m)
 	}
 	x = 0;
 	for (i = 0; i < LENGTH(tags); i++) {
-		w = TEXTW(tags[i]);
-		drw_setscheme(drw, scheme[m->tagset[m->seltags] & 1 << i ? SchemeSel : SchemeNorm]);
-		drw_text(drw, x, 0, w, bh, lrpad / 2, tags[i], urg & 1 << i);
-		if (occ & 1 << i)
-			drw_rect(drw, x + boxs, boxs, boxw, boxw,
-				m == selmon && selmon->sel && selmon->sel->tags & 1 << i,
-				urg & 1 << i);
+		tagtext = occ & 1 << i ? alttags[i] : tags[i];
+		w = TEXTW(tagtext);
+ 		drw_setscheme(drw, scheme[m->tagset[m->seltags] & 1 << i ? SchemeSel : SchemeNorm]);
+		drw_text(drw, x, 0, w, bh, lrpad / 2, tagtext, urg & 1 << i);
 		x += w;
 	}
 	w = blw = TEXTW(m->ltsymbol);
-- 
2.24.1