1 files changed, 67 insertions, 10 deletions

diff --git a/rootston/desktop.c b/rootston/desktop.c
index cd417755..8d1d34d6 100644
--- a/rootston/desktop.c
+++ b/rootston/desktop.c
@@ -25,14 +25,24 @@ void view_destroy(struct roots_view *view) {
 	free(view);
 }
 
+void view_get_size(struct roots_view *view, struct wlr_box *box) {
+	if (view->get_size) {
+		view->get_size(view, box);
+		return;
+	}
+	box->x = box->y = 0;
+	box->width = view->wlr_surface->current->width;
+	box->height = view->wlr_surface->current->height;
+}
+
 void view_get_input_bounds(struct roots_view *view, struct wlr_box *box) {
 	if (view->get_input_bounds) {
 		view->get_input_bounds(view, box);
 		return;
 	}
 	box->x = box->y = 0;
-	box->width = view->wlr_surface->current.width;
-	box->height = view->wlr_surface->current.height;
+	box->width = view->wlr_surface->current->width;
+	box->height = view->wlr_surface->current->height;
 }
 
 void view_activate(struct roots_view *view, bool activate) {
@@ -41,14 +51,66 @@ void view_activate(struct roots_view *view, bool activate) {
 	}
 }
 
-struct roots_view *view_at(struct roots_desktop *desktop, int x, int y) {
-	for (size_t i = 0; i < desktop->views->length; ++i) {
+void view_resize(struct roots_view *view, uint32_t width, uint32_t height) {
+	if (view->resize) {
+		view->resize(view, width, height);
+	}
+}
+
+static struct wlr_subsurface *subsurface_at(struct wlr_surface *surface,
+		double sx, double sy, double *sub_x, double *sub_y) {
+	struct wlr_subsurface *subsurface;
+	wl_list_for_each(subsurface, &surface->subsurface_list, parent_link) {
+		double _sub_x = subsurface->surface->current->subsurface_position.x;
+		double _sub_y = subsurface->surface->current->subsurface_position.y;
+		struct wlr_subsurface *sub =
+			subsurface_at(subsurface->surface, _sub_x + sx, _sub_y + sy,
+				sub_x, sub_y);
+		if (sub) {
+			// TODO: convert sub_x and sub_y to the parent coordinate system
+			return sub;
+		}
+
+		int sub_width = subsurface->surface->current->buffer_width;
+		int sub_height = subsurface->surface->current->buffer_height;
+		if ((sx > _sub_x && sx < _sub_x + sub_width) &&
+				(sy > _sub_y && sub_y < sub_y + sub_height)) {
+			*sub_x = _sub_x;
+			*sub_y = _sub_y;
+			return subsurface;
+		}
+	}
+
+	return NULL;
+}
+
+struct roots_view *view_at(struct roots_desktop *desktop, double lx, double ly,
+		struct wlr_surface **surface, double *sx, double *sy) {
+	for (int i = desktop->views->length - 1; i >= 0; --i) {
 		struct roots_view *view = desktop->views->items[i];
+
+		double view_sx = lx - view->x;
+		double view_sy = ly - view->y;
+
+		double sub_x, sub_y;
+		struct wlr_subsurface *subsurface =
+			subsurface_at(view->wlr_surface, view_sx, view_sy, &sub_x, &sub_y);
+
+		if (subsurface) {
+			*sx = view_sx - sub_x;
+			*sy = view_sy - sub_y;
+			*surface = subsurface->surface;
+			return view;
+		}
+
 		struct wlr_box box;
 		view_get_input_bounds(view, &box);
 		box.x += view->x;
 		box.y += view->y;
-		if (wlr_box_contains_point(&box, x, y)) {
+		if (wlr_box_contains_point(&box, lx, ly)) {
+			*sx = view_sx;
+			*sy = view_sy;
+			*surface = view->wlr_surface;
 			return view;
 		}
 	}
@@ -78,11 +140,6 @@ struct roots_desktop *desktop_create(struct roots_server *server,
 	desktop->compositor = wlr_compositor_create(
 			server->wl_display, server->renderer);
 
-	wlr_cursor_attach_output_layout(server->input->cursor, desktop->layout);
-	wlr_cursor_map_to_region(server->input->cursor, config->cursor.mapped_box);
-	cursor_load_config(config, server->input->cursor,
-			server->input, desktop);
-
 	desktop->xdg_shell_v6 = wlr_xdg_shell_v6_create(server->wl_display);
 	wl_signal_add(&desktop->xdg_shell_v6->events.new_surface,
 		&desktop->xdg_shell_v6_surface);