diff --git a/examples/scene-graph.c b/examples/scene-graph.c index ac8ea5c3..ba5d2d75 100644 --- a/examples/scene-graph.c +++ b/examples/scene-graph.c @@ -122,12 +122,12 @@ static void server_handle_new_surface(struct wl_listener *listener, wl_signal_add(&wlr_surface->events.destroy, &surface->destroy); /* Border dimensions will be set in surface.commit handler */ - surface->border = wlr_scene_rect_create(&server->scene->tree.node, + surface->border = wlr_scene_rect_create(&server->scene->tree, 0, 0, (float[4]){ 0.5f, 0.5f, 0.5f, 1 }); wlr_scene_node_set_position(&surface->border->node, pos, pos); surface->scene_surface = - wlr_scene_surface_create(&server->scene->tree.node, wlr_surface); + wlr_scene_surface_create(&server->scene->tree, wlr_surface); wlr_scene_node_set_position(&surface->scene_surface->buffer->node, pos + border_width, pos + border_width); diff --git a/include/wlr/types/wlr_scene.h b/include/wlr/types/wlr_scene.h index 9af0f25c..aed617f9 100644 --- a/include/wlr/types/wlr_scene.h +++ b/include/wlr/types/wlr_scene.h @@ -58,7 +58,7 @@ struct wlr_scene_node_state { /** A node is an object in the scene. */ struct wlr_scene_node { enum wlr_scene_node_type type; - struct wlr_scene_node *parent; + struct wlr_scene_tree *parent; struct wlr_scene_node_state state; struct { @@ -178,7 +178,7 @@ struct wlr_scene_output { /** A layer shell scene helper */ struct wlr_scene_layer_surface_v1 { - struct wlr_scene_node *node; + struct wlr_scene_tree *tree; struct wlr_layer_surface_v1 *layer_surface; // private state @@ -226,7 +226,7 @@ void wlr_scene_node_lower_to_bottom(struct wlr_scene_node *node); * Move the node to another location in the tree. */ void wlr_scene_node_reparent(struct wlr_scene_node *node, - struct wlr_scene_node *new_parent); + struct wlr_scene_tree *new_parent); /** * Get the node's layout-local coordinates. * @@ -265,7 +265,7 @@ void wlr_scene_set_presentation(struct wlr_scene *scene, /** * Add a node displaying nothing but its children. */ -struct wlr_scene_tree *wlr_scene_tree_create(struct wlr_scene_node *parent); +struct wlr_scene_tree *wlr_scene_tree_create(struct wlr_scene_tree *parent); /** * Add a node displaying a single surface to the scene-graph. @@ -276,7 +276,7 @@ struct wlr_scene_tree *wlr_scene_tree_create(struct wlr_scene_node *parent); * automatically based on the position of the surface and outputs in * the scene. */ -struct wlr_scene_surface *wlr_scene_surface_create(struct wlr_scene_node *parent, +struct wlr_scene_surface *wlr_scene_surface_create(struct wlr_scene_tree *parent, struct wlr_surface *surface); struct wlr_scene_buffer *wlr_scene_buffer_from_node(struct wlr_scene_node *node); @@ -291,7 +291,7 @@ struct wlr_scene_surface *wlr_scene_surface_from_buffer( /** * Add a node displaying a solid-colored rectangle to the scene-graph. */ -struct wlr_scene_rect *wlr_scene_rect_create(struct wlr_scene_node *parent, +struct wlr_scene_rect *wlr_scene_rect_create(struct wlr_scene_tree *parent, int width, int height, const float color[static 4]); /** @@ -309,7 +309,7 @@ void wlr_scene_rect_set_color(struct wlr_scene_rect *rect, const float color[sta * * If the buffer is NULL, this node will not be displayed. */ -struct wlr_scene_buffer *wlr_scene_buffer_create(struct wlr_scene_node *parent, +struct wlr_scene_buffer *wlr_scene_buffer_create(struct wlr_scene_tree *parent, struct wlr_buffer *buffer); /** @@ -415,8 +415,8 @@ bool wlr_scene_attach_output_layout(struct wlr_scene *scene, * Add a node displaying a surface and all of its sub-surfaces to the * scene-graph. */ -struct wlr_scene_node *wlr_scene_subsurface_tree_create( - struct wlr_scene_node *parent, struct wlr_surface *surface); +struct wlr_scene_tree *wlr_scene_subsurface_tree_create( + struct wlr_scene_tree *parent, struct wlr_surface *surface); /** * Add a node displaying an xdg_surface and all of its sub-surfaces to the @@ -425,8 +425,8 @@ struct wlr_scene_node *wlr_scene_subsurface_tree_create( * The origin of the returned scene-graph node will match the top-left corner * of the xdg_surface window geometry. */ -struct wlr_scene_node *wlr_scene_xdg_surface_create( - struct wlr_scene_node *parent, struct wlr_xdg_surface *xdg_surface); +struct wlr_scene_tree *wlr_scene_xdg_surface_create( + struct wlr_scene_tree *parent, struct wlr_xdg_surface *xdg_surface); /** * Add a node displaying a layer_surface_v1 and all of its sub-surfaces to the @@ -436,7 +436,7 @@ struct wlr_scene_node *wlr_scene_xdg_surface_create( * of the layer surface. */ struct wlr_scene_layer_surface_v1 *wlr_scene_layer_surface_v1_create( - struct wlr_scene_node *parent, struct wlr_layer_surface_v1 *layer_surface); + struct wlr_scene_tree *parent, struct wlr_layer_surface_v1 *layer_surface); /** * Configure a layer_surface_v1, position its scene node in accordance to its diff --git a/tinywl/tinywl.c b/tinywl/tinywl.c index 49d33b42..f96fe791 100644 --- a/tinywl/tinywl.c +++ b/tinywl/tinywl.c @@ -80,7 +80,7 @@ struct tinywl_view { struct wl_list link; struct tinywl_server *server; struct wlr_xdg_toplevel *xdg_toplevel; - struct wlr_scene_node *scene_node; + struct wlr_scene_tree *scene_tree; struct wl_listener map; struct wl_listener unmap; struct wl_listener destroy; @@ -126,7 +126,7 @@ static void focus_view(struct tinywl_view *view, struct wlr_surface *surface) { } struct wlr_keyboard *keyboard = wlr_seat_get_keyboard(seat); /* Move the view to the front */ - wlr_scene_node_raise_to_top(view->scene_node); + wlr_scene_node_raise_to_top(&view->scene_tree->node); wl_list_remove(&view->link); wl_list_insert(&server->views, &view->link); /* Activate the new surface */ @@ -354,10 +354,11 @@ static struct tinywl_view *desktop_view_at( *surface = scene_surface->surface; /* Find the node corresponding to the tinywl_view at the root of this * surface tree, it is the only one for which we set the data field. */ - while (node != NULL && node->data == NULL) { - node = node->parent; + struct wlr_scene_tree *tree = node->parent; + while (tree != NULL && tree->node.data == NULL) { + tree = tree->node.parent; } - return node->data; + return tree->node.data; } static void process_cursor_move(struct tinywl_server *server, uint32_t time) { @@ -365,7 +366,7 @@ static void process_cursor_move(struct tinywl_server *server, uint32_t time) { struct tinywl_view *view = server->grabbed_view; view->x = server->cursor->x - server->grab_x; view->y = server->cursor->y - server->grab_y; - wlr_scene_node_set_position(view->scene_node, view->x, view->y); + wlr_scene_node_set_position(&view->scene_tree->node, view->x, view->y); } static void process_cursor_resize(struct tinywl_server *server, uint32_t time) { @@ -414,7 +415,7 @@ static void process_cursor_resize(struct tinywl_server *server, uint32_t time) { wlr_xdg_surface_get_geometry(view->xdg_toplevel->base, &geo_box); view->x = new_left - geo_box.x; view->y = new_top - geo_box.y; - wlr_scene_node_set_position(view->scene_node, view->x, view->y); + wlr_scene_node_set_position(&view->scene_tree->node, view->x, view->y); int new_width = new_right - new_left; int new_height = new_bottom - new_top; @@ -747,9 +748,9 @@ static void server_new_xdg_surface(struct wl_listener *listener, void *data) { if (xdg_surface->role == WLR_XDG_SURFACE_ROLE_POPUP) { struct wlr_xdg_surface *parent = wlr_xdg_surface_from_wlr_surface( xdg_surface->popup->parent); - struct wlr_scene_node *parent_node = parent->data; + struct wlr_scene_tree *parent_tree = parent->data; xdg_surface->data = wlr_scene_xdg_surface_create( - parent_node, xdg_surface); + parent_tree, xdg_surface); return; } assert(xdg_surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL); @@ -759,10 +760,10 @@ static void server_new_xdg_surface(struct wl_listener *listener, void *data) { calloc(1, sizeof(struct tinywl_view)); view->server = server; view->xdg_toplevel = xdg_surface->toplevel; - view->scene_node = wlr_scene_xdg_surface_create( - &view->server->scene->tree.node, view->xdg_toplevel->base); - view->scene_node->data = view; - xdg_surface->data = view->scene_node; + view->scene_tree = wlr_scene_xdg_surface_create( + &view->server->scene->tree, view->xdg_toplevel->base); + view->scene_tree->node.data = view; + xdg_surface->data = view->scene_tree; /* Listen to the various events it can emit */ view->map.notify = xdg_toplevel_map; diff --git a/types/scene/layer_shell_v1.c b/types/scene/layer_shell_v1.c index 1c2b6e4f..eb0bc76e 100644 --- a/types/scene/layer_shell_v1.c +++ b/types/scene/layer_shell_v1.c @@ -18,21 +18,21 @@ static void scene_layer_surface_handle_layer_surface_destroy( struct wl_listener *listener, void *data) { struct wlr_scene_layer_surface_v1 *scene_layer_surface = wl_container_of(listener, scene_layer_surface, layer_surface_destroy); - wlr_scene_node_destroy(scene_layer_surface->node); + wlr_scene_node_destroy(&scene_layer_surface->tree->node); } static void scene_layer_surface_handle_layer_surface_map( struct wl_listener *listener, void *data) { struct wlr_scene_layer_surface_v1 *scene_layer_surface = wl_container_of(listener, scene_layer_surface, layer_surface_map); - wlr_scene_node_set_enabled(scene_layer_surface->node, true); + wlr_scene_node_set_enabled(&scene_layer_surface->tree->node, true); } static void scene_layer_surface_handle_layer_surface_unmap( struct wl_listener *listener, void *data) { struct wlr_scene_layer_surface_v1 *scene_layer_surface = wl_container_of(listener, scene_layer_surface, layer_surface_unmap); - wlr_scene_node_set_enabled(scene_layer_surface->node, false); + wlr_scene_node_set_enabled(&scene_layer_surface->tree->node, false); } static void layer_surface_exclusive_zone( @@ -122,7 +122,7 @@ void wlr_scene_layer_surface_v1_configure( box.y = bounds.y + bounds.height/2 - box.height/2; } - wlr_scene_node_set_position(scene_layer_surface->node, box.x, box.y); + wlr_scene_node_set_position(&scene_layer_surface->tree->node, box.x, box.y); wlr_layer_surface_v1_configure(layer_surface, box.width, box.height); if (state->exclusive_zone > 0) { @@ -131,7 +131,7 @@ void wlr_scene_layer_surface_v1_configure( } struct wlr_scene_layer_surface_v1 *wlr_scene_layer_surface_v1_create( - struct wlr_scene_node *parent, + struct wlr_scene_tree *parent, struct wlr_layer_surface_v1 *layer_surface) { struct wlr_scene_layer_surface_v1 *scene_layer_surface = calloc(1, sizeof(*scene_layer_surface)); @@ -141,24 +141,23 @@ struct wlr_scene_layer_surface_v1 *wlr_scene_layer_surface_v1_create( scene_layer_surface->layer_surface = layer_surface; - struct wlr_scene_tree *tree = wlr_scene_tree_create(parent); - if (tree == NULL) { + scene_layer_surface->tree = wlr_scene_tree_create(parent); + if (scene_layer_surface->tree == NULL) { free(scene_layer_surface); return NULL; } - scene_layer_surface->node = &tree->node; - struct wlr_scene_node *surface_node = wlr_scene_subsurface_tree_create( - scene_layer_surface->node, layer_surface->surface); - if (surface_node == NULL) { - wlr_scene_node_destroy(scene_layer_surface->node); + struct wlr_scene_tree *surface_tree = wlr_scene_subsurface_tree_create( + scene_layer_surface->tree, layer_surface->surface); + if (surface_tree == NULL) { + wlr_scene_node_destroy(&scene_layer_surface->tree->node); free(scene_layer_surface); return NULL; } scene_layer_surface->tree_destroy.notify = scene_layer_surface_handle_tree_destroy; - wl_signal_add(&scene_layer_surface->node->events.destroy, + wl_signal_add(&scene_layer_surface->tree->node.events.destroy, &scene_layer_surface->tree_destroy); scene_layer_surface->layer_surface_destroy.notify = @@ -176,7 +175,7 @@ struct wlr_scene_layer_surface_v1 *wlr_scene_layer_surface_v1_create( wl_signal_add(&layer_surface->events.unmap, &scene_layer_surface->layer_surface_unmap); - wlr_scene_node_set_enabled(scene_layer_surface->node, + wlr_scene_node_set_enabled(&scene_layer_surface->tree->node, layer_surface->mapped); return scene_layer_surface; diff --git a/types/scene/subsurface_tree.c b/types/scene/subsurface_tree.c index 1cb2977c..35420abe 100644 --- a/types/scene/subsurface_tree.c +++ b/types/scene/subsurface_tree.c @@ -148,13 +148,13 @@ static const struct wlr_addon_interface subsurface_tree_addon_impl = { }; static struct wlr_scene_subsurface_tree *scene_surface_tree_create( - struct wlr_scene_node *parent, struct wlr_surface *surface); + struct wlr_scene_tree *parent, struct wlr_surface *surface); static bool subsurface_tree_create_subsurface( struct wlr_scene_subsurface_tree *parent, struct wlr_subsurface *subsurface) { struct wlr_scene_subsurface_tree *child = scene_surface_tree_create( - &parent->tree->node, subsurface->surface); + parent->tree, subsurface->surface); if (child == NULL) { return false; } @@ -188,7 +188,7 @@ static void subsurface_tree_handle_surface_new_subsurface( } static struct wlr_scene_subsurface_tree *scene_surface_tree_create( - struct wlr_scene_node *parent, struct wlr_surface *surface) { + struct wlr_scene_tree *parent, struct wlr_surface *surface) { struct wlr_scene_subsurface_tree *subsurface_tree = calloc(1, sizeof(*subsurface_tree)); if (subsurface_tree == NULL) { @@ -201,7 +201,7 @@ static struct wlr_scene_subsurface_tree *scene_surface_tree_create( } subsurface_tree->scene_surface = - wlr_scene_surface_create(&subsurface_tree->tree->node, surface); + wlr_scene_surface_create(subsurface_tree->tree, surface); if (subsurface_tree->scene_surface == NULL) { goto error_scene_surface; } @@ -248,12 +248,12 @@ error_surface_tree: return NULL; } -struct wlr_scene_node *wlr_scene_subsurface_tree_create( - struct wlr_scene_node *parent, struct wlr_surface *surface) { +struct wlr_scene_tree *wlr_scene_subsurface_tree_create( + struct wlr_scene_tree *parent, struct wlr_surface *surface) { struct wlr_scene_subsurface_tree *subsurface_tree = scene_surface_tree_create(parent, surface); if (subsurface_tree == NULL) { return NULL; } - return &subsurface_tree->tree->node; + return subsurface_tree->tree; } diff --git a/types/scene/surface.c b/types/scene/surface.c index e6a8b6b6..d3a0b035 100644 --- a/types/scene/surface.c +++ b/types/scene/surface.c @@ -135,7 +135,7 @@ struct wlr_scene_surface *wlr_scene_surface_from_buffer( return surface; } -struct wlr_scene_surface *wlr_scene_surface_create(struct wlr_scene_node *parent, +struct wlr_scene_surface *wlr_scene_surface_create(struct wlr_scene_tree *parent, struct wlr_surface *wlr_surface) { struct wlr_scene_surface *surface = calloc(1, sizeof(*surface)); if (surface == NULL) { diff --git a/types/scene/wlr_scene.c b/types/scene/wlr_scene.c index 410fbe3b..e60ff5d4 100644 --- a/types/scene/wlr_scene.c +++ b/types/scene/wlr_scene.c @@ -17,6 +17,11 @@ #define HIGHLIGHT_DAMAGE_FADEOUT_TIME 250 +static struct wlr_scene_tree *scene_tree_from_node(struct wlr_scene_node *node) { + assert(node->type == WLR_SCENE_NODE_TREE); + return (struct wlr_scene_tree *)node; +} + static struct wlr_scene_rect *scene_rect_from_node( struct wlr_scene_node *node) { assert(node->type == WLR_SCENE_NODE_RECT); @@ -30,10 +35,17 @@ struct wlr_scene_buffer *wlr_scene_buffer_from_node( } struct wlr_scene *scene_node_get_root(struct wlr_scene_node *node) { - while (node->parent != NULL) { - node = node->parent; + struct wlr_scene_tree *tree; + if (node->type == WLR_SCENE_NODE_TREE) { + tree = scene_tree_from_node(node); + } else { + tree = node->parent; + } + + while (tree->node.parent != NULL) { + tree = tree->node.parent; } - return (struct wlr_scene *)node; + return (struct wlr_scene *)tree; } static void scene_node_state_init(struct wlr_scene_node_state *state) { @@ -48,7 +60,7 @@ static void scene_node_state_finish(struct wlr_scene_node_state *state) { } static void scene_node_init(struct wlr_scene_node *node, - enum wlr_scene_node_type type, struct wlr_scene_node *parent) { + enum wlr_scene_node_type type, struct wlr_scene_tree *parent) { memset(node, 0, sizeof(*node)); node->type = type; node->parent = parent; @@ -56,7 +68,7 @@ static void scene_node_init(struct wlr_scene_node *node, wl_signal_init(&node->events.destroy); if (parent != NULL) { - wl_list_insert(parent->state.children.prev, &node->state.link); + wl_list_insert(parent->node.state.children.prev, &node->state.link); } wlr_addon_set_init(&node->addons); @@ -136,7 +148,7 @@ void wlr_scene_node_destroy(struct wlr_scene_node *node) { } static void scene_tree_init(struct wlr_scene_tree *tree, - struct wlr_scene_node *parent) { + struct wlr_scene_tree *parent) { memset(tree, 0, sizeof(*tree)); scene_node_init(&tree->node, WLR_SCENE_NODE_TREE, parent); } @@ -172,7 +184,7 @@ struct wlr_scene *wlr_scene_create(void) { return scene; } -struct wlr_scene_tree *wlr_scene_tree_create(struct wlr_scene_node *parent) { +struct wlr_scene_tree *wlr_scene_tree_create(struct wlr_scene_tree *parent) { assert(parent); struct wlr_scene_tree *tree = calloc(1, sizeof(struct wlr_scene_tree)); @@ -251,7 +263,7 @@ static void scene_node_update_outputs(struct wlr_scene_node *node) { _scene_node_update_outputs(node, lx, ly, scene); } -struct wlr_scene_rect *wlr_scene_rect_create(struct wlr_scene_node *parent, +struct wlr_scene_rect *wlr_scene_rect_create(struct wlr_scene_tree *parent, int width, int height, const float color[static 4]) { struct wlr_scene_rect *scene_rect = calloc(1, sizeof(struct wlr_scene_rect)); @@ -290,7 +302,7 @@ void wlr_scene_rect_set_color(struct wlr_scene_rect *rect, const float color[sta scene_node_damage_whole(&rect->node); } -struct wlr_scene_buffer *wlr_scene_buffer_create(struct wlr_scene_node *parent, +struct wlr_scene_buffer *wlr_scene_buffer_create(struct wlr_scene_tree *parent, struct wlr_buffer *buffer) { struct wlr_scene_buffer *scene_buffer = calloc(1, sizeof(*scene_buffer)); if (scene_buffer == NULL) { @@ -615,7 +627,7 @@ void wlr_scene_node_place_below(struct wlr_scene_node *node, void wlr_scene_node_raise_to_top(struct wlr_scene_node *node) { struct wlr_scene_node *current_top = wl_container_of( - node->parent->state.children.prev, current_top, state.link); + node->parent->node.state.children.prev, current_top, state.link); if (node == current_top) { return; } @@ -624,7 +636,7 @@ void wlr_scene_node_raise_to_top(struct wlr_scene_node *node) { void wlr_scene_node_lower_to_bottom(struct wlr_scene_node *node) { struct wlr_scene_node *current_bottom = wl_container_of( - node->parent->state.children.next, current_bottom, state.link); + node->parent->node.state.children.next, current_bottom, state.link); if (node == current_bottom) { return; } @@ -632,7 +644,7 @@ void wlr_scene_node_lower_to_bottom(struct wlr_scene_node *node) { } void wlr_scene_node_reparent(struct wlr_scene_node *node, - struct wlr_scene_node *new_parent) { + struct wlr_scene_tree *new_parent) { assert(new_parent != NULL); if (node->parent == new_parent) { @@ -640,16 +652,16 @@ void wlr_scene_node_reparent(struct wlr_scene_node *node, } /* Ensure that a node cannot become its own ancestor */ - for (struct wlr_scene_node *ancestor = new_parent; ancestor != NULL; - ancestor = ancestor->parent) { - assert(ancestor != node); + for (struct wlr_scene_tree *ancestor = new_parent; ancestor != NULL; + ancestor = ancestor->node.parent) { + assert(&ancestor->node != node); } scene_node_damage_whole(node); wl_list_remove(&node->state.link); node->parent = new_parent; - wl_list_insert(new_parent->state.children.prev, &node->state.link); + wl_list_insert(new_parent->node.state.children.prev, &node->state.link); scene_node_damage_whole(node); @@ -658,13 +670,19 @@ void wlr_scene_node_reparent(struct wlr_scene_node *node, bool wlr_scene_node_coords(struct wlr_scene_node *node, int *lx_ptr, int *ly_ptr) { + assert(node); + int lx = 0, ly = 0; bool enabled = true; - while (node != NULL) { + while (true) { lx += node->state.x; ly += node->state.y; enabled = enabled && node->state.enabled; - node = node->parent; + if (node->parent == NULL) { + break; + } + + node = &node->parent->node; } *lx_ptr = lx; diff --git a/types/scene/xdg_shell.c b/types/scene/xdg_shell.c index 909719d1..16883488 100644 --- a/types/scene/xdg_shell.c +++ b/types/scene/xdg_shell.c @@ -5,7 +5,7 @@ struct wlr_scene_xdg_surface { struct wlr_scene_tree *tree; struct wlr_xdg_surface *xdg_surface; - struct wlr_scene_node *surface_node; + struct wlr_scene_tree *surface_tree; struct wl_listener tree_destroy; struct wl_listener xdg_surface_destroy; @@ -54,7 +54,7 @@ static void scene_xdg_surface_update_position( struct wlr_box geo = {0}; wlr_xdg_surface_get_geometry(xdg_surface, &geo); - wlr_scene_node_set_position(scene_xdg_surface->surface_node, + wlr_scene_node_set_position(&scene_xdg_surface->surface_tree->node, -geo.x, -geo.y); if (xdg_surface->role == WLR_XDG_SURFACE_ROLE_POPUP) { @@ -71,8 +71,8 @@ static void scene_xdg_surface_handle_xdg_surface_commit(struct wl_listener *list scene_xdg_surface_update_position(scene_xdg_surface); } -struct wlr_scene_node *wlr_scene_xdg_surface_create( - struct wlr_scene_node *parent, struct wlr_xdg_surface *xdg_surface) { +struct wlr_scene_tree *wlr_scene_xdg_surface_create( + struct wlr_scene_tree *parent, struct wlr_xdg_surface *xdg_surface) { struct wlr_scene_xdg_surface *scene_xdg_surface = calloc(1, sizeof(*scene_xdg_surface)); if (scene_xdg_surface == NULL) { @@ -87,9 +87,9 @@ struct wlr_scene_node *wlr_scene_xdg_surface_create( return NULL; } - scene_xdg_surface->surface_node = wlr_scene_subsurface_tree_create( - &scene_xdg_surface->tree->node, xdg_surface->surface); - if (scene_xdg_surface->surface_node == NULL) { + scene_xdg_surface->surface_tree = wlr_scene_subsurface_tree_create( + scene_xdg_surface->tree, xdg_surface->surface); + if (scene_xdg_surface->surface_tree == NULL) { wlr_scene_node_destroy(&scene_xdg_surface->tree->node); free(scene_xdg_surface); return NULL; @@ -120,5 +120,5 @@ struct wlr_scene_node *wlr_scene_xdg_surface_create( wlr_scene_node_set_enabled(&scene_xdg_surface->tree->node, xdg_surface->mapped); scene_xdg_surface_update_position(scene_xdg_surface); - return &scene_xdg_surface->tree->node; + return scene_xdg_surface->tree; }