From 94f0c8517945960e000c4da2a22804174f384e77 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Leonardo=20Hern=C3=A1ndez=20Hern=C3=A1ndez?=
 <leohdz172@protonmail.com>
Date: Sun, 10 Apr 2022 22:38:53 -0500
Subject: [PATCH] hide-behind-fullscreen

---
 config.def.h |  2 +-
 dwl.c        | 18 +++++++++++++++++-
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/config.def.h b/config.def.h
index c12793c..fbd59dc 100644
--- a/config.def.h
+++ b/config.def.h
@@ -13,7 +13,7 @@ static const float rootcolor[]      = {0.3, 0.3, 0.3, 1.0};
 static const float bordercolor[]    = {0.5, 0.5, 0.5, 1.0};
 static const float focuscolor[]     = {1.0, 0.0, 0.0, 1.0};
 /* To conform the xdg-protocol, set the alpha to zero to restore the old behavior */
-static const float fullscreen_bg[]  = {0.1, 0.1, 0.1, 1.0};
+static const float fullscreen_bg[]  = {0.1, 0.1, 0.1, 0.0};
 
 /* tagging */
 static const char *tags[] = { "1", "2", "3", "4", "5", "6", "7", "8", "9" };
diff --git a/dwl.c b/dwl.c
index 55b8017..049b0a4 100644
--- a/dwl.c
+++ b/dwl.c
@@ -586,11 +586,27 @@ applyrules(Client *c)
 void
 arrange(Monitor *m)
 {
-	Client *c;
+	LayerSurface *l;
+	Client *c, *sel = selclient();
+	int i;
 	wl_list_for_each(c, &clients, link)
 		if (c->mon == m)
 			wlr_scene_node_set_enabled(c->scene, VISIBLEON(c, m));
 
+	if (sel && sel->isfullscreen && VISIBLEON(sel, m)) {
+		for (i = 3; i > ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND; i--)
+			wl_list_for_each(l, &sel->mon->layers[i], link)
+				wlr_scene_node_set_enabled(l->scene, 0);
+
+		wl_list_for_each(c, &clients, link)
+			wlr_scene_node_set_enabled(c->scene, (sel->isfullscreen && c == sel)
+					|| !sel->isfullscreen);
+	}
+	if (!sel || (!sel->isfullscreen && VISIBLEON(sel, m)))
+		for (i = 3; i > ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND; i--)
+			wl_list_for_each(l, &m->layers[i], link)
+				wlr_scene_node_set_enabled(l->scene, 1);
+
 	if (m && m->lt[m->sellt]->arrange)
 		m->lt[m->sellt]->arrange(m);
 	motionnotify(0, NULL, 0, 0, 0, 0);