allow 0 nmaster

diff --git a/dwm.c b/dwm.c
index 8dbe83b..344966b 100644 (file)
--- a/dwm.c
+++ b/dwm.c
@@ -1028,7 +1028,7 @@ grabkeys(void) {
 
 void
 incnmaster(const Arg *arg) {
-       selmon->nmaster = MAX(selmon->nmaster + arg->i, 1);
+       selmon->nmaster = MAX(selmon->nmaster + arg->i, 0);
        arrange(selmon);
 }
 
@@ -1666,8 +1666,10 @@ tile(Monitor *m) {
        if(n == 0)
                return;
 
-       mw = (n > m->nmaster) ? m->ww * m->mfact : m->ww;
-
+       if(n > m->nmaster)
+               mw = m->nmaster ? m->ww * m->mfact : 0;
+       else
+               mw = m->ww;
        for(i = my = ty = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), i++)
                if(i < m->nmaster) {
                        h = (m->wh - my) / (MIN(n, m->nmaster) - i);