From 7e80ea8fc48714b21dc69d35a71ce1f8dc177615 Mon Sep 17 00:00:00 2001
From: Palanix <palanixyt@gmail.com>
Date: Fri, 14 Jun 2024 21:59:05 +0200
Subject: [PATCH] Implement alwaysontopall

---
 config.def.h |  1 +
 dwl.c        | 31 ++++++++++++++++++++++++++-----
 2 files changed, 27 insertions(+), 5 deletions(-)

diff --git a/config.def.h b/config.def.h
index a784eb4..8820c38 100644
--- a/config.def.h
+++ b/config.def.h
@@ -138,6 +138,7 @@ static const Key keys[] = {
 	{ MODKEY,                    XKB_KEY_m,          setlayout,      {.v = &layouts[2]} },
 	{ MODKEY,                    XKB_KEY_space,      setlayout,      {0} },
 	{ MODKEY|WLR_MODIFIER_SHIFT, XKB_KEY_space,      togglefloating, {0} },
+	{ MODKEY|WLR_MODIFIER_ALT,   XKB_KEY_space,      togglealwaysontop, {0} },
 	{ MODKEY,                    XKB_KEY_e,         togglefullscreen, {0} },
 	{ MODKEY,                    XKB_KEY_0,          view,           {.ui = ~0} },
 	{ MODKEY|WLR_MODIFIER_SHIFT, XKB_KEY_parenright, tag,            {.ui = ~0} },
diff --git a/dwl.c b/dwl.c
index 5a31aee..0bb5302 100644
--- a/dwl.c
+++ b/dwl.c
@@ -81,7 +81,7 @@
 /* enums */
 enum { CurNormal, CurPressed, CurMove, CurResize }; /* cursor */
 enum { XDGShell, LayerShell, X11 }; /* client types */
-enum { LyrBg, LyrBottom, LyrTile, LyrFloat, LyrTop, LyrFS, LyrOverlay, LyrBlock, NUM_LAYERS }; /* scene layers */
+enum { LyrBg, LyrBottom, LyrTile, LyrFloat, LyrAlwaysTop, LyrTop, LyrFS, LyrOverlay, LyrBlock, NUM_LAYERS }; /* scene layers */
 #ifdef XWAYLAND
 enum { NetWMWindowTypeDialog, NetWMWindowTypeSplash, NetWMWindowTypeToolbar,
 	NetWMWindowTypeUtility, NetLast }; /* EWMH atoms */
@@ -137,7 +137,7 @@ typedef struct {
 #endif
 	unsigned int bw;
 	uint32_t tags;
-	int isfloating, isurgent, isfullscreen;
+	int isfloating, isurgent, isfullscreen, isalwaysontop;
 	uint32_t resize; /* configure serial of a pending resize */
 } Client;
 
@@ -333,6 +333,7 @@ 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 togglealwaysontop(const Arg *arg);
 static void togglefloating(const Arg *arg);
 static void togglefullscreen(const Arg *arg);
 static void toggletag(const Arg *arg);
@@ -497,7 +498,7 @@ arrange(Monitor *m)
 	/* We move all clients (except fullscreen and unmanaged) to LyrTile while
 	 * in floating layout to avoid "real" floating clients be always on top */
 	wl_list_for_each(c, &clients, link) {
-		if (c->mon != m || c->isfullscreen)
+		if (c->mon != m || c->isfullscreen || c->isalwaysontop)
 			continue;
 
 		wlr_scene_node_reparent(&c->scene->node,
@@ -2215,7 +2216,7 @@ setfloating(Client *c, int floating)
 		return;
 	wlr_scene_node_reparent(&c->scene->node, layers[c->isfullscreen ||
 			(p && p->isfullscreen) ? LyrFS
-			: c->isfloating ? LyrFloat : LyrTile]);
+			: c->isfloating ? (c->isalwaysontop ? LyrAlwaysTop : LyrFloat) : LyrTile]);
 	arrange(c->mon);
 	printstatus();
 }
@@ -2229,7 +2230,7 @@ setfullscreen(Client *c, int fullscreen)
 	c->bw = fullscreen ? 0 : borderpx;
 	client_set_fullscreen(c, fullscreen);
 	wlr_scene_node_reparent(&c->scene->node, layers[c->isfullscreen
-			? LyrFS : c->isfloating ? LyrFloat : LyrTile]);
+			? LyrFS : c->isfloating ? (c->isalwaysontop ? LyrAlwaysTop : LyrFloat) : LyrTile]);
 
 	if (fullscreen) {
 		c->prev = c->geom;
@@ -2618,6 +2619,26 @@ tile(Monitor *m)
 	}
 }
 
+void
+togglealwaysontop(const Arg *arg)
+{
+	Client *sel = focustop(selmon);
+	if (!sel)
+		return;
+
+	if (sel->isfullscreen)
+		return;
+
+	if (sel->isalwaysontop) {
+		wlr_scene_node_reparent(&sel->scene->node, layers[sel->isalwaysontop]);
+		sel->isalwaysontop = 0;
+	} else {
+		sel->isalwaysontop = sel->isfullscreen ? LyrFS : LyrTile;
+		wlr_scene_node_reparent(&sel->scene->node, layers[LyrAlwaysTop]);
+	}
+	arrange(selmon);
+}
+
 void
 togglefloating(const Arg *arg)
 {
-- 
2.45.2