From b352fb08f40b1ee2d8c4748be4922df711e3aaa9 Mon Sep 17 00:00:00 2001
From: wochap <gean.marroquin@gmail.com>
Date: Fri, 5 Jul 2024 10:44:29 -0500
Subject: [PATCH] implement bottomstack

---
 config.def.h |  4 +++
 dwl.c        | 84 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 88 insertions(+)

diff --git a/config.def.h b/config.def.h
index 22d2171..5aac3e9 100644
--- a/config.def.h
+++ b/config.def.h
@@ -34,6 +34,8 @@ static const Layout layouts[] = {
 	{ "[]=",      tile },
 	{ "><>",      NULL },    /* no layout function means floating behavior */
 	{ "[M]",      monocle },
+	{ "TTT",      bstack },
+	{ "===",      bstackhoriz },
 };
 
 /* monitors */
@@ -139,6 +141,8 @@ 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 dc0437e..5648d5f 100644
--- a/dwl.c
+++ b/dwl.c
@@ -57,6 +57,7 @@
 #include <wlr/types/wlr_xdg_decoration_v1.h>
 #include <wlr/types/wlr_xdg_output_v1.h>
 #include <wlr/types/wlr_xdg_shell.h>
+#include <wlr/util/box.h>
 #include <wlr/util/log.h>
 #include <wlr/util/region.h>
 #include <xkbcommon/xkbcommon.h>
@@ -351,6 +352,8 @@ static Monitor *xytomon(double x, double y);
 static void xytonode(double x, double y, struct wlr_surface **psurface,
 		Client **pc, LayerSurface **pl, double *nx, double *ny);
 static void zoom(const Arg *arg);
+static void bstack(Monitor *m);
+static void bstackhoriz(Monitor *m);
 
 /* variables */
 static const char broken[] = "broken";
@@ -3160,3 +3163,84 @@ main(int argc, char *argv[])
 usage:
 	die("Usage: %s [-v] [-d] [-s startup command]", argv[0]);
 }
+
+static void
+bstack(Monitor *m) 
+{
+	int w, h, mh, mx, tx, ty, tw;
+	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 = (int)round(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, (struct wlr_box) { .x = m->w.x + mx, .y = m->w.y, .width = w, .height = mh }, 0);
+			mx += c->geom.width;
+		} else {
+			h = m->w.height - mh;
+			resize(c, (struct wlr_box) { .x = tx, .y = ty, .width = tw, .height = h }, 0);
+			if (tw != m->w.width)
+				tx += c->geom.width;
+		}
+		i++;
+	}
+}
+
+static void
+bstackhoriz(Monitor *m) {
+	int w, mh, mx, tx, ty, th;
+	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 = (int)round(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, (struct wlr_box) { .x = m->w.x + mx, .y = m->w.y, .width = w, .height = mh }, 0);
+			mx += c->geom.width;
+		} else {
+			resize(c, (struct wlr_box) { .x = tx, .y = ty, .width = m->w.width, .height = th }, 0);
+			if (th != m->w.height)
+				ty += c->geom.height;
+		}
+		i++;
+	}
+}
-- 
2.45.1
