From 34d7666c923560b707def6e359efd49587de3fd5 Mon Sep 17 00:00:00 2001
From: DanielMowitz <dmowitz@students.uni-mainz.de>
Date: Wed, 6 Oct 2021 18:59:55 +0200
Subject: [PATCH] Add bottomstack patch.

Authors

     * Anselm R Garbe - anselm@garbe.us
     * Laslo Hunhold - dev@frign.de (6.1, git ports)

Edited for dwl by

     * Daniel Mowitz - git.daniel@mowitz.rocks
---
 config.def.h      |    4 +
 config.def.h.orig |  116 ++
 dwl.c             |   83 ++
 dwl.c.orig        | 2608 +++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 2811 insertions(+)
 create mode 100644 config.def.h.orig
 create mode 100644 dwl.c.orig

diff --git a/config.def.h b/config.def.h
index 089aa379..8e20ecb1 100644
--- a/config.def.h
+++ b/config.def.h
@@ -22,6 +22,8 @@ static const Layout layouts[] = {
 	{ "[]=",      tile },
 	{ "><>",      NULL },    /* no layout function means floating behavior */
 	{ "[M]",      monocle },
+	{ "TTT",      bstack },
+	{ "===",      bstackhoriz },
 };
 
 /* monitors
@@ -82,6 +84,8 @@ static const Key keys[] = {
 	{ MODKEY,                    XKB_KEY_t,          setlayout,      {.v = &layouts[0]} },
 	{ MODKEY,                    XKB_KEY_f,          setlayout,      {.v = &layouts[1]} },
 	{ MODKEY,                    XKB_KEY_m,          setlayout,      {.v = &layouts[2]} },
+	{ MODKEY,                    XKB_KEY_u,          setlayout,      {.v = &layouts[3]} },
+	{ MODKEY,                    XKB_KEY_o,          setlayout,      {.v = &layouts[4]} },
 	{ MODKEY,                    XKB_KEY_space,      setlayout,      {0} },
 	{ MODKEY|WLR_MODIFIER_SHIFT, XKB_KEY_space,      togglefloating, {0} },
 	{ MODKEY, 					 XKB_KEY_e,    		togglefullscreen, {0} },
diff --git a/dwl.c b/dwl.c
index 6303c25f..3e611cb6 100644
--- a/dwl.c
+++ b/dwl.c
@@ -301,6 +301,8 @@ static struct wlr_surface *xytolayersurface(struct wl_list *layer_surfaces,
 		double x, double y, double *sx, double *sy);
 static Monitor *xytomon(double x, double y);
 static void zoom(const Arg *arg);
+static void bstack(Monitor *m);
+static void bstackhoriz(Monitor *m);
 
 /* variables */
 static const char broken[] = "broken";
@@ -2606,3 +2608,84 @@ main(int argc, char *argv[])
 usage:
 	BARF("Usage: %s [-s startup command]", argv[0]);
 }
+
+static void
+bstack(Monitor *m)
+{
+	int w, h, mh, mx, tx, ty, tw;
+	unsigned int i, n = 0;
+	Client *c;
+
+	wl_list_for_each(c, &clients, link)
+		if (VISIBLEON(c, m) && !c->isfloating)
+			n++;
+	if (n == 0)
+		return;
+
+	if (n > m->nmaster) {
+		mh = m->nmaster ? m->mfact * m->w.height : 0;
+		tw = m->w.width / (n - m->nmaster);
+		ty = m->w.y + mh;
+	} else {
+		mh = m->w.height;
+		tw = m->w.width;
+		ty = m->w.y;
+	}
+
+	i = mx = 0;
+	tx = m-> w.x;
+	wl_list_for_each(c, &clients, link) {
+		if (!VISIBLEON(c, m) || c->isfloating)
+			continue;
+		if (i < m->nmaster) {
+			w = (m->w.width - mx) / (MIN(n, m->nmaster) - i);
+			resize(c, m->w.x + mx, m->w.y, w - (2 * c->bw), mh - (2 * c->bw), 0);
+			mx += c->geom.width;
+		} else {
+			h = m->w.height - mh;
+			resize(c, tx, ty, tw - (2 * c->bw), h - (2 * c->bw), 0);
+			if (tw != m->w.width)
+				tx += c->geom.width;
+		}
+		i++;
+	}
+}
+
+static void
+bstackhoriz(Monitor *m) {
+	int w, mh, mx, tx, ty, th;
+	unsigned int i, n = 0;
+	Client *c;
+
+	wl_list_for_each(c, &clients, link)
+		if (VISIBLEON(c, m) && !c->isfloating)
+			n ++;
+	if (n == 0)
+		return;
+
+	if (n > m->nmaster) {
+		mh = m->nmaster ? m->mfact * m->w.height : 0;
+		th = (m->w.height - mh) / (n - m->nmaster);
+		ty = m->w.y + mh;
+	} else {
+		th = mh = m->w.height;
+		ty = m->w.y;
+	}
+
+	i = mx = 0;
+	tx = m-> w.x;
+	wl_list_for_each(c, &clients, link) {
+		if (!VISIBLEON(c,m) || c->isfloating)
+			continue;
+		if (i < m->nmaster) {
+			w = (m->w.width - mx) / (MIN(n, m->nmaster) - i);
+			resize(c, m->w.x + mx, m->w.y, w - (2 * c->bw), mh - (2 * c->bw), 0);
+			mx += c->geom.width;
+		} else {
+			resize(c, tx, ty, m->w.width - (2 * c->bw), th - (2 * c->bw), 0);
+			if (th != m->w.height)
+				ty += c->geom.height;
+		}
+		i++;
+	}
+}