1 files changed, 33 insertions, 5 deletions

diff --git a/sway/tree/node.c b/sway/tree/node.c
index bc7e2aa5..7aaf9762 100644
--- a/sway/tree/node.c
+++ b/sway/tree/node.c
@@ -1,4 +1,3 @@
-#define _POSIX_C_SOURCE 200809L
 #include "sway/output.h"
 #include "sway/server.h"
 #include "sway/tree/container.h"
@@ -18,13 +17,13 @@ void node_init(struct sway_node *node, enum sway_node_type type, void *thing) {
 const char *node_type_to_str(enum sway_node_type type) {
         switch (type) {
         case N_ROOT:
-                return "N_ROOT";
+                return "root";
         case N_OUTPUT:
-                return "N_OUTPUT";
+                return "output";
         case N_WORKSPACE:
-                return "N_WORKSPACE";
+                return "workspace";
         case N_CONTAINER:
-                return "N_CONTAINER";
+                return "container";
         }
         return "";
 }
@@ -159,3 +158,32 @@ bool node_has_ancestor(struct sway_node *node, struct sway_node *ancestor) {
         }
         return false;
 }
+
+void scene_node_disown_children(struct wlr_scene_tree *tree) {
+        // this function can be called as part of destruction code that will be invoked
+        // upon an allocation failure. Let's not crash on NULL due to an allocation error.
+        if (!tree) {
+                return;
+        }
+
+        struct wlr_scene_node *child, *tmp_child;
+        wl_list_for_each_safe(child, tmp_child, &tree->children, link) {
+                wlr_scene_node_reparent(child, root->staging);
+        }
+}
+
+struct wlr_scene_tree *alloc_scene_tree(struct wlr_scene_tree *parent,
+                bool *failed) {
+        // fallthrough
+        if (*failed) {
+                return NULL;
+        }
+
+        struct wlr_scene_tree *tree = wlr_scene_tree_create(parent);
+        if (!tree) {
+                sway_log(SWAY_ERROR, "Failed to allocate a scene node");
+                *failed = true;
+        }
+
+        return tree;
+}