i mean, there are too many changes to even comment it

src/xdg-toplevel.c

@@ -1,29 +1,43 @@
 #include <assert.h>
-#include <stdlib.h>
 #include <wayland-server-core.h>
 #include <wlr/util/log.h>
 
-#include "absinthe-toplevel.h"
-#include "layout.h"
-#include "output.h"
 #include "types.h"
 #include "xdg-decoration.h"
 
-void xdg_toplevel_commit(struct wl_listener *listener, void *data)
+void
+toplevel_commit(struct wl_listener *listener, void *data)
 {
 	UNUSED(data);
-	struct absinthe_toplevel *toplevel = wl_container_of(listener, toplevel, commit);
+	struct absinthe_toplevel *toplevel = wl_container_of(listener, toplevel,
+	    commit);
 
-	if (toplevel->xdg_toplevel->base->initial_commit) {
-		wlr_xdg_toplevel_set_activated(toplevel->xdg_toplevel, false);
+	if (toplevel->xdg->base->initial_commit) {
+		wlr_xdg_toplevel_set_activated(toplevel->xdg, false);
 
-		/* Forse server side decoration mode */
-		if (toplevel->decoration)
-			xdg_decoration_request_mode(&toplevel->decoration_request_mode, toplevel->decoration);
-		toplevel->resizing = wlr_xdg_toplevel_set_size(toplevel->xdg_toplevel, 0, 0);
+		/* forse server side decoration mode */
+		if (toplevel->deco)
+			deco_request_mode(&toplevel->deco_request_mode,
+			    toplevel->deco);
+		/* let client set initial size */
+		toplevel->resizing = wlr_xdg_toplevel_set_size(toplevel->xdg, 0,
+		    0);
 		return;
 	}
 
-	if (toplevel->resizing && toplevel->resizing <= toplevel->xdg_toplevel->base->current.configure_serial)
+	bool resizing = toplevel->resizing &&
+	    toplevel->resizing <= toplevel->xdg->base->current.configure_serial;
+
+	/* remove pending resize */
+	if (resizing)
 		toplevel->resizing = 0;
+
+	struct wlr_box clip = {
+		.x = toplevel->xdg->base->geometry.x,
+		.y = toplevel->xdg->base->geometry.y,
+		.width = toplevel->geom.width - toplevel->bw,
+		.height = toplevel->geom.height - toplevel->bw,
+	};
+	wlr_scene_subsurface_tree_set_clip(&toplevel->scene_surface->node,
+	    &clip);
 }