From 3240c7fdfb12403d75a06ce567357a0df74b280f Mon Sep 17 00:00:00 2001
From: C4FE1 <heitorcdesousa13@gmail.com>
Date: Fri, 20 Mar 2026 21:30:41 -0300
Subject: [PATCH] dwl: add dwindle layout

dwl: add dwindle layout
---
 config.def.h |  1 +
 dwl.c        | 53 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 54 insertions(+)

diff --git a/config.def.h b/config.def.h
index 8a6eda0..e1b823e 100644
--- a/config.def.h
+++ b/config.def.h
@@ -31,6 +31,7 @@ static const Rule rules[] = {
 static const Layout layouts[] = {
 	/* symbol     arrange function */
 	{ "[]=",      tile },
+	{ "[\\]",      dwindle },
 	{ "><>",      NULL },    /* no layout function means floating behavior */
 	{ "[M]",      monocle },
 };
diff --git a/dwl.c b/dwl.c
index 101a45f..5f1b762 100644
--- a/dwl.c
+++ b/dwl.c
@@ -335,6 +335,7 @@ static void startdrag(struct wl_listener *listener, void *data);
 static void tag(const Arg *arg);
 static void tagmon(const Arg *arg);
 static void tile(Monitor *m);
+static void dwindle(Monitor *m);
 static void togglefloating(const Arg *arg);
 static void togglefullscreen(const Arg *arg);
 static void toggletag(const Arg *arg);
@@ -2745,6 +2746,58 @@ tile(Monitor *m)
 	}
 }
 
+void
+dwindle(Monitor *m)
+{
+	unsigned int i, n = 0;
+	int nx, ny, nw, nh;
+	int horizontal;
+	Client *c;
+
+	/* count clients */
+	wl_list_for_each(c, &clients, link)
+		if (VISIBLEON(c, m) && !c->isfloating && !c->isfullscreen)
+			n++;
+
+	if (n == 0)
+		return;
+
+	nx = m->w.x;
+	ny = m->w.y;
+	nw = m->w.width;
+	nh = m->w.height;
+
+	horizontal = 1; // toggle split direction
+	i = 0;
+
+	wl_list_for_each(c, &clients, link) {
+		if (!VISIBLEON(c, m) || c->isfloating || c->isfullscreen)
+			continue;
+
+		if (i == n - 1) {
+			/* last window gets remaining space */
+			resize(c, (struct wlr_box){nx, ny, nw, nh}, 0);
+		} else if (horizontal) {
+			int w = nw / 2;
+
+			resize(c, (struct wlr_box){nx, ny, w, nh}, 0);
+
+			nx += w;
+			nw -= w;
+		} else {
+			int h = nh / 2;
+
+			resize(c, (struct wlr_box){nx, ny, nw, h}, 0);
+
+			ny += h;
+			nh -= h;
+		}
+
+		horizontal = !horizontal;
+		i++;
+	}
+}
+
 void
 togglefloating(const Arg *arg)
 {
-- 
2.53.0