From 87d7157291e0865cfc9728ad09e78e8586ff9e99 Mon Sep 17 00:00:00 2001
From: IoIxD <alphaproject217@gmail.com>
Date: Sun, 7 Dec 2025 20:41:37 -0700
Subject: [PATCH] subsurfaces have been useless for awhile, remove them and
 name the sub-widgets sublevels

---
 include/Mw/LowLevel/Wayland.h | 12 ++++--------
 src/backend/wayland.c         | 14 +++++++-------
 2 files changed, 11 insertions(+), 15 deletions(-)

diff --git a/include/Mw/LowLevel/Wayland.h b/include/Mw/LowLevel/Wayland.h
index 6ce73fb..ed40bfe 100644
--- a/include/Mw/LowLevel/Wayland.h
+++ b/include/Mw/LowLevel/Wayland.h
@@ -52,13 +52,11 @@ struct _MwLLWaylandTopLevel {
 
 struct _MwLLWayland {
 	struct _MwLLCommon common;
-	union {
-		struct _MwLLWaylandTopLevel* toplevel;
-		struct wl_subsurface*	     subsurface;
-	};
+	// data that's only loaded if it's a toplevel
+	struct _MwLLWaylandTopLevel* toplevel;
 	enum {
-		MWLL_WAYLAND_TOPLEVEL	= 0,
-		MWLL_WAYLAND_SUBSURFACE = 1,
+		MWLL_WAYLAND_TOPLEVEL = 0,
+		MWLL_WAYLAND_SUBLEVEL = 1,
 	} type;
 
 	struct {
@@ -90,8 +88,6 @@ struct _MwLLWayland {
 	MwU32	x, y, ww, wh;
 	MwPoint cur_mouse_pos;
 
-	int last_serial;
-
 	MwLL parent;
 
 	GLuint	     fbo;
diff --git a/src/backend/wayland.c b/src/backend/wayland.c
index e242672..c8f2c90 100644
--- a/src/backend/wayland.c
+++ b/src/backend/wayland.c
@@ -522,7 +522,7 @@ static void setup_toplevel(MwLL r, int x, int y) {
 	// glGenBuffers(1, &vertex_buffer);
 }
 
-static void setup_subsurface(MwLL parent, MwLL r, int x, int y) {
+static void setup_sublevel(MwLL parent, MwLL r, int x, int y) {
 	struct wl_compositor*	 compositor	= parent->wayland.compositor;
 	struct wl_subcompositor* subcompositor	= parent->wayland.subcompositor;
 	struct wl_surface*	 parent_surface = parent->wayland.surface;
@@ -533,7 +533,7 @@ static void setup_subsurface(MwLL parent, MwLL r, int x, int y) {
 		topmost_parent = topmost_parent->wayland.parent;
 	}
 
-	r->wayland.type = MWLL_WAYLAND_SUBSURFACE;
+	r->wayland.type = MWLL_WAYLAND_SUBLEVEL;
 
 	r->wayland.display = parent->wayland.display;
 
@@ -546,9 +546,9 @@ static void setup_subsurface(MwLL parent, MwLL r, int x, int y) {
 	event_loop(r);
 	wl_region_destroy(region);
 
-	r->wayland.subsurface = wl_subcompositor_get_subsurface(subcompositor, r->wayland.surface, parent_surface);
+	// r->wayland.sublevel = wl_subcompositor_get_sublevel(subcompositor, r->wayland.surface, parent_surface);
 
-	wl_subsurface_set_position(r->wayland.subsurface, x, y);
+	// wl_sublevel_set_position(r->wayland.sublevel, x, y);
 
 	// printf("position %d %d\n", x, y);
 
@@ -564,7 +564,7 @@ static void setup_subsurface(MwLL parent, MwLL r, int x, int y) {
 		return;
 	}
 
-	// arrpush(parent->wayland.subsurfaces, r);
+	// arrpush(parent->wayland.sublevels, r);
 
 	r->wayland.configured = MwTRUE;
 	if(!r->wayland.egl_setup) {
@@ -605,7 +605,7 @@ static MwLL MwLLCreateImpl(MwLL parent, int x, int y, int width, int height) {
 	if(parent == NULL) {
 		setup_toplevel(r, x, y);
 	} else {
-		setup_subsurface(parent, r, x, y);
+		setup_sublevel(parent, r, x, y);
 	}
 
 	return r;
@@ -628,7 +628,7 @@ static void MwLLSetXYImpl(MwLL handle, int x, int y) {
 	if(handle->wayland.type != MWLL_WAYLAND_TOPLEVEL) {
 		handle->wayland.x = x;
 		handle->wayland.y = y;
-		wl_subsurface_set_position(handle->wayland.subsurface, x, y);
+		// wl_sublevel_set_position(handle->wayland.sublevel, x, y);
 		MwLLForceRender(handle);
 	}
 }