From 509e38c6c86a3078441cbcde61355e9d60cdf35d Mon Sep 17 00:00:00 2001
From: Mitch Riedstra <mitch@riedstra.us>
Date: Tue, 3 Nov 2020 22:38:47 -0500
Subject: Add fibonacci based layout

---
 config.h  |  4 ++++
 layouts.c | 67 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 71 insertions(+)

diff --git a/config.h b/config.h
index 8a4f4af..e7067d4 100644
--- a/config.h
+++ b/config.h
@@ -56,6 +56,8 @@ static const Layout layouts[] = {
 	{ "|M|",      centeredmaster },
 	{ ">M>",      centeredfloatingmaster },
 	{ "HHH",      grid },
+	{ "[@]",      spiral },
+	{ "[\\]",     dwindle },
 };
 
 /* key definitions */
@@ -108,6 +110,8 @@ static Key keys[] = {
 	{ MODKEY,                       XK_u,      setlayout,      {.v = &layouts[3]} },
 	{ MODKEY|ShiftMask,             XK_o,      setlayout,      {.v = &layouts[4]} },
 	{ MODKEY,                       XK_g,      setlayout,      {.v = &layouts[5]} },
+	{ MODKEY,                       XK_v,      setlayout,      {.v = &layouts[6]} },
+	{ MODKEY|ShiftMask,             XK_v,      setlayout,      {.v = &layouts[7]} },
 	{ MODKEY,                       XK_space,  setlayout,      {0} },
 	{ MODKEY|ShiftMask,             XK_space,  togglefloating, {0} },
 	{ MODKEY,                       XK_0,      view,           {.ui = ~0 } },
diff --git a/layouts.c b/layouts.c
index d26acf3..1a6d7fc 100644
--- a/layouts.c
+++ b/layouts.c
@@ -25,3 +25,70 @@ grid(Monitor *m) {
 		i++;
 	}
 }
+
+void
+fibonacci(Monitor *mon, int s) {
+	unsigned int i, n, nx, ny, nw, nh;
+	Client *c;
+
+	for(n = 0, c = nexttiled(mon->clients); c; c = nexttiled(c->next), n++);
+	if(n == 0)
+		return;
+	
+	nx = mon->wx;
+	ny = 0;
+	nw = mon->ww;
+	nh = mon->wh;
+	
+	for(i = 0, c = nexttiled(mon->clients); c; c = nexttiled(c->next)) {
+		if((i % 2 && nh / 2 > 2 * c->bw)
+		   || (!(i % 2) && nw / 2 > 2 * c->bw)) {
+			if(i < n - 1) {
+				if(i % 2)
+					nh /= 2;
+				else
+					nw /= 2;
+				if((i % 4) == 2 && !s)
+					nx += nw;
+				else if((i % 4) == 3 && !s)
+					ny += nh;
+			}
+			if((i % 4) == 0) {
+				if(s)
+					ny += nh;
+				else
+					ny -= nh;
+			}
+			else if((i % 4) == 1)
+				nx += nw;
+			else if((i % 4) == 2)
+				ny += nh;
+			else if((i % 4) == 3) {
+				if(s)
+					nx += nw;
+				else
+					nx -= nw;
+			}
+			if(i == 0)
+			{
+				if(n != 1)
+					nw = mon->ww * mon->mfact;
+				ny = mon->wy;
+			}
+			else if(i == 1)
+				nw = mon->ww - nw;
+			i++;
+		}
+		resize(c, nx, ny, nw - 2 * c->bw, nh - 2 * c->bw, False);
+	}
+}
+
+void
+dwindle(Monitor *mon) {
+	fibonacci(mon, 1);
+}
+
+void
+spiral(Monitor *mon) {
+	fibonacci(mon, 0);
+}
-- 
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