Adding deck layout

README.md

@@ -112,3 +112,6 @@ Refer to [https://dwm.suckless.org/](https://dwm.suckless.org/) for details on t
 
    - [bstackhoriz](https://dwm.suckless.org/patches/bottomstack/)
       - bottomstack horizontal layout
+
+   - [deck](https://dwm.suckless.org/patches/deck/)
+      - deck layout

config.def.h

@@ -108,6 +108,9 @@ static const Layout layouts[] = {
 	#if BSTACKHORIZ_LAYOUT
 	{ "===",      bstackhoriz },
 	#endif // BSTACKHORIZ_LAYOUT
+	#if DECK_LAYOUT
+	{ "[D]",      deck },
+	#endif // DECK_LAYOUT
 	#if CYCLELAYOUTS_PATCH
 	{ NULL,       NULL },
 	#endif // CYCLELAYOUTS_PATCH

patch/deck.c

@@ -0,0 +1,156 @@
+#if VANITYGAPS_PATCH && CFACTS_PATCH
+static void
+deck(Monitor *m)
+{
+	unsigned int i, n;
+	int mx = 0, my = 0, mh = 0, mw = 0;
+	int sx = 0, sy = 0, sh = 0, sw = 0;
+	int oh, ov, ih, iv;
+	float mfacts, sfacts;
+	Client *c;
+
+	getgaps(m, &oh, &ov, &ih, &iv, &n, &mfacts, &sfacts);
+
+	if (n == 0)
+		return;
+
+	sx = mx = m->wx + ov;
+	sy = my = m->wy + oh;
+	sh = mh = m->wh - 2*oh - ih * (MIN(n, m->nmaster) - 1);
+	sw = mw = m->ww - 2*ov;
+
+	if (m->nmaster && n > m->nmaster) {
+		sw = (mw - iv) * (1 - m->mfact);
+		mw = (mw - iv) * m->mfact;
+		sx = mx + mw + iv;
+		sh = m->wh - 2*oh;
+	}
+
+	if (n - m->nmaster > 0) /* override layout symbol */
+		snprintf(m->ltsymbol, sizeof m->ltsymbol, "D %d", n - m->nmaster);
+
+	for (i = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), i++)
+		if (i < m->nmaster) {
+			resize(c, mx, my, mw - (2*c->bw), mh * (c->cfact / mfacts) - (2*c->bw), 0);
+			my += HEIGHT(c) + ih;
+		} else {
+			resize(c, sx, sy, sw - (2*c->bw), sh - (2*c->bw), 0);
+		}
+}
+#elif VANITYGAPS_PATCH
+static void
+deck(Monitor *m)
+{
+	unsigned int i, n;
+	int mx = 0, my = 0, mh = 0, mw = 0;
+	int sx = 0, sy = 0, sh = 0, sw = 0;
+	int oh, ov, ih, iv;
+	Client *c;
+
+	getgaps(m, &oh, &ov, &ih, &iv, &n);
+
+	if (n == 0)
+		return;
+
+	sx = mx = m->wx + ov;
+	sy = my = m->wy + oh;
+	sh = mh = m->wh - 2*oh - ih * (MIN(n, m->nmaster) - 1);
+	sw = mw = m->ww - 2*ov;
+
+	if (m->nmaster && n > m->nmaster) {
+		sw = (mw - iv) * (1 - m->mfact);
+		mw = (mw - iv) * m->mfact;
+		sx = mx + mw + iv;
+		sh = m->wh - 2*oh;
+	}
+
+	if (n - m->nmaster > 0) /* override layout symbol */
+		snprintf(m->ltsymbol, sizeof m->ltsymbol, "D %d", n - m->nmaster);
+
+	for (i = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), i++)
+		if (i < m->nmaster) {
+			resize(c, mx, my, mw - (2*c->bw), mh / MIN(n, m->nmaster) - (2*c->bw), 0);
+			my += HEIGHT(c) + ih;
+		} else {
+			resize(c, sx, sy, sw - (2*c->bw), sh - (2*c->bw), 0);
+		}
+}
+#elif CFACTS_PATCH
+static void
+deck(Monitor *m)
+{
+	unsigned int i, n;
+	int mx = 0, my = 0, mh = 0, mw = 0;
+	int sx = 0, sy = 0, sh = 0, sw = 0;
+	float mfacts = 1, sfacts = 1;
+	Client *c;
+
+	for (n = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), n++) {
+		if (n < m->nmaster)
+			mfacts += c->cfact;
+		else
+			sfacts += c->cfact;
+	}
+
+	if (n == 0)
+		return;
+
+	sx = mx = m->wx;
+	sy = my = m->wy;
+	sh = mh = m->wh;
+	sw = mw = m->ww;
+
+	if (m->nmaster && n > m->nmaster) {
+		sw = mw * (1 - m->mfact);
+		mw = mw * m->mfact;
+		sx = mx + mw;
+	}
+
+	if (n - m->nmaster > 0) /* override layout symbol */
+		snprintf(m->ltsymbol, sizeof m->ltsymbol, "D %d", n - m->nmaster);
+
+	for (i = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), i++)
+		if (i < m->nmaster) {
+			resize(c, mx, my, mw - (2*c->bw), mh * (c->cfact / mfacts) - (2*c->bw), 0);
+			my += HEIGHT(c);
+		} else {
+			resize(c, sx, sy, sw - (2*c->bw), sh - (2*c->bw), 0);
+		}
+}
+#else
+static void
+deck(Monitor *m)
+{
+	unsigned int i, n;
+	int mx = 0, my = 0, mh = 0, mw = 0;
+	int sx = 0, sy = 0, sh = 0, sw = 0;
+	Client *c;
+
+	for (n = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), n++);
+
+	if (n == 0)
+		return;
+
+	sx = mx = m->wx;
+	sy = my = m->wy;
+	sh = mh = m->wh;
+	sw = mw = m->ww;
+
+	if (m->nmaster && n > m->nmaster) {
+		sw = mw * (1 - m->mfact);
+		mw = mw * m->mfact;
+		sx = mx + mw;
+	}
+
+	if (n - m->nmaster > 0) /* override layout symbol */
+		snprintf(m->ltsymbol, sizeof m->ltsymbol, "D %d", n - m->nmaster);
+
+	for (i = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), i++)
+		if (i < m->nmaster) {
+			resize(c, mx, my, mw - (2*c->bw), mh / MIN(n, m->nmaster) - (2*c->bw), 0);
+			my += HEIGHT(c);
+		} else {
+			resize(c, sx, sy, sw - (2*c->bw), sh - (2*c->bw), 0);
+		}
+}
+#endif

patch/deck.h

@@ -0,0 +1 @@
+static void deck(Monitor *m);

patch/include.c

@@ -62,6 +62,10 @@
 #include "bstackhoriz.c"
 #endif
 
+#if DECK_LAYOUT
+#include "deck.c"
+#endif
+
 #if MONOCLE_LAYOUT
 #include "monocle.c"
 #endif

patch/include.h

@@ -58,6 +58,10 @@
 #include "bstackhoriz.h"
 #endif
 
+#if DECK_LAYOUT
+#include "deck.h"
+#endif
+
 #if MONOCLE_LAYOUT
 #include "monocle.h"
 #endif

patches.h

@@ -197,12 +197,17 @@
  */
 #define BSTACKHORIZ_LAYOUT 0
 
+/* Deck layout.
+ * https://dwm.suckless.org/patches/deck/
+ */
+#define DECK_LAYOUT 1
+
 /* The default tile layout.
  * This can be optionally disabled in favour of other layouts.
  */
 #define TILE_LAYOUT 1
 
-/* Monocle (default)
+/* Monocle layout (default).
  * This can be optionally disabled in favour of other layouts.
  */
 #define MONOCLE_LAYOUT 1