From 7bb49468f1d6bb711539d8b02e0f44e7faa14bd9 Mon Sep 17 00:00:00 2001
From: Franck STAUFFER <franck.stauffer@monaco.mc>
Date: Fri, 4 Sep 2020 10:07:20 +0200
Subject: [PATCH] Apply deck

---
 config.def.h |  2 ++
 dwm.c        | 33 +++++++++++++++++++++++++++++++++
 2 files changed, 35 insertions(+)

diff --git a/config.def.h b/config.def.h
index d515f68..e6a3d1f 100644
--- a/config.def.h
+++ b/config.def.h
@@ -39,6 +39,7 @@ static const Layout layouts[] = {
 	{ "[]=",      tile },    /* first entry is default */
 	{ "><>",      NULL },    /* no layout function means floating behavior */
 	{ "[ ]",      monocle },
+	{ "[]|",      deck },
 };
 
 /* key definitions */
@@ -80,6 +81,7 @@ static Key keys[] = {
 	{ MODKEY,                       XK_t,      setlayout,      {.v = &layouts[0]} },
 	{ MODKEY,                       XK_f,      setlayout,      {.v = &layouts[1]} },
 	{ MODKEY,                       XK_m,      setlayout,      {.v = &layouts[2]} },
+	{ MODKEY,                       XK_c,      setlayout,      {.v = &layouts[3]} },
 	{ MODKEY,                       XK_space,  setlayout,      {0} },
 	{ MODKEY|ShiftMask,             XK_space,  togglefloating, {0} },
 	{ MODKEY|ShiftMask,             XK_f,      togglefullscr,  {0} },
diff --git a/dwm.c b/dwm.c
index d02d6fd..2840ed1 100644
--- a/dwm.c
+++ b/dwm.c
@@ -221,6 +221,8 @@ configurerequest(XEvent* e);
 static Monitor*
 createmon(void);
 static void
+deck(Monitor* m);
+static void
 destroynotify(XEvent* e);
 static void
 detach(Client* c);
@@ -815,6 +817,37 @@ createmon(void)
     return m;
 }
 
+void
+deck(Monitor* m)
+{
+    unsigned int i, n, h, mw, my;
+    Client* c;
+
+    for (n = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), n++)
+        ;
+    if (n == 0)
+        return;
+
+    if (n > m->nmaster) {
+        mw = m->nmaster ? m->ww * m->mfact : 0;
+        snprintf(m->ltsymbol, sizeof m->ltsymbol, "[%d]", n - m->nmaster);
+    } else
+        mw = m->ww;
+    for (i = my = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), i++)
+        if (i < m->nmaster) {
+            h = (m->wh - my) / (MIN(n, m->nmaster) - i);
+            resize(
+              c, m->wx, m->wy + my, mw - (2 * c->bw), h - (2 * c->bw), False);
+            my += HEIGHT(c);
+        } else
+            resize(c,
+                   m->wx + mw,
+                   m->wy,
+                   m->ww - mw - (2 * c->bw),
+                   m->wh - (2 * c->bw),
+                   False);
+}
+
 void
 destroynotify(XEvent* e)
 {