From 98f676d010ff9a4c750d8816d6d90d303d2ba483 Mon Sep 17 00:00:00 2001
From: Philip Wittamore <philip@wittamore.com>
Date: Fri, 23 May 2025 09:41:00 +0200
Subject: update

---
 README.md    |  1 +
 config.def.h |  8 +++++---
 config.h     |  8 +++++---
 dwm.c        | 26 ++++++++++++++++++++++++++
 4 files changed, 37 insertions(+), 6 deletions(-)

diff --git a/README.md b/README.md
index 6534c6a..c25030c 100644
--- a/README.md
+++ b/README.md
@@ -6,3 +6,4 @@
 - adjacent
 - attachside
 - removeborder
+- deck
diff --git a/config.def.h b/config.def.h
index 916e74c..a9fbdb4 100644
--- a/config.def.h
+++ b/config.def.h
@@ -44,9 +44,10 @@ static const int lockfullscreen = 1; /* 1 will force focus on the fullscreen win
 
 static const Layout layouts[] = {
 	/* symbol     arrange function */
-	{ "Ƭ",      tile },    /* first entry is default */
-	{ "Φ",      NULL },    /* no layout function means floating behavior */
-	{ "µ",      monocle }, /* everything is maximised */
+	{ "[Ƭ]",      tile },    /* first entry is default */
+	{ "[Φ]",      NULL },    /* no layout function means floating behavior */
+	{ "[µ]",      monocle }, /* everything is maximised */
+	{ "[D]",      deck },    /* client windows superimposed */
 };
 
 /* key definitions */
@@ -76,6 +77,7 @@ static const 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_r,      setlayout,      {.v = &layouts[3]} },
 	{ MODKEY,                       XK_h,      setmfact,       {.f = -0.05} },
 	{ MODKEY,                       XK_l,      setmfact,       {.f = +0.05} },
 	{ MODKEY,                       XK_comma,  focusmon,       {.i = -1 } },
diff --git a/config.h b/config.h
index 916e74c..a9fbdb4 100644
--- a/config.h
+++ b/config.h
@@ -44,9 +44,10 @@ static const int lockfullscreen = 1; /* 1 will force focus on the fullscreen win
 
 static const Layout layouts[] = {
 	/* symbol     arrange function */
-	{ "Ƭ",      tile },    /* first entry is default */
-	{ "Φ",      NULL },    /* no layout function means floating behavior */
-	{ "µ",      monocle }, /* everything is maximised */
+	{ "[Ƭ]",      tile },    /* first entry is default */
+	{ "[Φ]",      NULL },    /* no layout function means floating behavior */
+	{ "[µ]",      monocle }, /* everything is maximised */
+	{ "[D]",      deck },    /* client windows superimposed */
 };
 
 /* key definitions */
@@ -76,6 +77,7 @@ static const 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_r,      setlayout,      {.v = &layouts[3]} },
 	{ MODKEY,                       XK_h,      setmfact,       {.f = -0.05} },
 	{ MODKEY,                       XK_l,      setmfact,       {.f = +0.05} },
 	{ MODKEY,                       XK_comma,  focusmon,       {.i = -1 } },
diff --git a/dwm.c b/dwm.c
index 170d273..39a5717 100644
--- a/dwm.c
+++ b/dwm.c
@@ -184,6 +184,7 @@ static void configure(Client *c);
 static void configurenotify(XEvent *e);
 static void configurerequest(XEvent *e);
 static Monitor *createmon(void);
+static void deck(Monitor *m);
 static void destroynotify(XEvent *e);
 static void detach(Client *c);
 static void detachstack(Client *c);
@@ -767,6 +768,31 @@ destroynotify(XEvent *e)
 		unmanage(c->swallowing, 1);
 }
 
+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
 detach(Client *c)
 {
-- 
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