[hackers] [dwm][PATCH] hide_vacant_tags patch

[Ryan Kes]

---
 dwm.c | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/dwm.c b/dwm.c
index 4465af1..218e516 100644
--- a/dwm.c
+++ b/dwm.c
@@ -416,7 +416,7 @@ attachstack(Client *c)
 void
 buttonpress(XEvent *e)
 {
-       unsigned int i, x, click;
+       unsigned int i, x, click, occ = 0;
        Arg arg = {0};
        Client *c;
        Monitor *m;
@@ -431,9 +431,13 @@ buttonpress(XEvent *e)
        }
        if (ev->window == selmon->barwin) {
                i = x = 0;
-               do
+               for (c = m->clients; c; c = c->next)
+                       occ |= c->tags == 255 ? 0 : c->tags;
+               do {
+                       if (!(occ & 1 << i || m->tagset[m->seltags] & 1 << i))
+                               continue;
                        x += TEXTW(tags[i]);
-               while (ev->x >= x && ++i < LENGTH(tags));
+               } while (ev->x >= x && ++i < LENGTH(tags));
                if (i < LENGTH(tags)) {
                        click = ClkTagBar;
                        arg.ui = 1 << i;
@@ -709,19 +713,17 @@ drawbar(Monitor *m)
        }
 
        for (c = m->clients; c; c = c->next) {
-               occ |= c->tags;
+               occ |= c->tags == 255 ? 0 : c->tags;
                if (c->isurgent)
                        urg |= c->tags;
        }
        x = 0;
        for (i = 0; i < LENGTH(tags); i++) {
+               if (!(occ & 1 << i || m->tagset[m->seltags] & 1 << i))
+                       continue;
                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);
                x += w;
        }
        w = blw = TEXTW(m->ltsymbol);
-- 
2.21.0