1 files changed, 33 insertions, 0 deletions

diff --git a/include/sway/scene_descriptor.h b/include/sway/scene_descriptor.h
new file mode 100644
index 00000000..2649d7c2
--- /dev/null
+++ b/include/sway/scene_descriptor.h
@@ -0,0 +1,33 @@
+/**
+ * Across a wayland compositor, there are multiple shells: It can be
+ * a toplevel, or a layer_shell, or even something more meta like a drag
+ * icon or highlight indicators when dragging windows around.
+ *
+ * This object lets us store values that represent these modes of operation
+ * and keep track of what object is being represented.
+ */
+#ifndef _SWAY_SCENE_DESCRIPTOR_H
+#define _SWAY_SCENE_DESCRIPTOR_H
+#include <wlr/types/wlr_scene.h>
+
+enum sway_scene_descriptor_type {
+        SWAY_SCENE_DESC_BUFFER_TIMER,
+        SWAY_SCENE_DESC_NON_INTERACTIVE,
+        SWAY_SCENE_DESC_CONTAINER,
+        SWAY_SCENE_DESC_VIEW,
+        SWAY_SCENE_DESC_LAYER_SHELL,
+        SWAY_SCENE_DESC_XWAYLAND_UNMANAGED,
+        SWAY_SCENE_DESC_POPUP,
+        SWAY_SCENE_DESC_DRAG_ICON,
+};
+
+bool scene_descriptor_assign(struct wlr_scene_node *node,
+        enum sway_scene_descriptor_type type, void *data);
+
+void *scene_descriptor_try_get(struct wlr_scene_node *node,
+        enum sway_scene_descriptor_type type);
+
+void scene_descriptor_destroy(struct wlr_scene_node *node,
+        enum sway_scene_descriptor_type type);
+
+#endif