void
rut_graphable_add_child (RutObject *parent, RutObject *child)
{
RutGraphableProps *parent_props =
rut_object_get_properties (parent, RUT_INTERFACE_ID_GRAPHABLE);
RutGraphableVTable *parent_vtable =
rut_object_get_vtable (parent, RUT_INTERFACE_ID_GRAPHABLE);
RutGraphableProps *child_props =
rut_object_get_properties (child, RUT_INTERFACE_ID_GRAPHABLE);
RutGraphableVTable *child_vtable =
rut_object_get_vtable (child, RUT_INTERFACE_ID_GRAPHABLE);
RutObject *old_parent = child_props->parent;
rut_refable_claim (child, parent);
if (old_parent)
rut_graphable_remove_child (child);
child_props->parent = parent;
if (child_vtable && child_vtable->parent_changed)
child_vtable->parent_changed (child, old_parent, parent);
if (parent_vtable && parent_vtable->child_added)
parent_vtable->child_added (parent, child);
/* XXX: maybe this should be deferred to parent_vtable->child_added ? */
g_queue_push_tail (&parent_props->children, child);
}
RutClosure *
rut_sizable_add_preferred_size_callback (RutObject *object,
RutSizablePreferredSizeCallback cb,
void *user_data,
RutClosureDestroyCallback destroy_cb)
{
RutSizableVTable *sizable =
rut_object_get_vtable (object, RUT_INTERFACE_ID_SIZABLE);
/* If the object has no implementation for the needs layout callback
* then we'll assume its preferred size never changes. We'll return
* a dummy closure object that will never be invoked so that the
* rest of the code doesn't need to handle this specially */
if (sizable->add_preferred_size_callback == NULL)
{
RutList dummy_list;
RutClosure *closure;
rut_list_init (&dummy_list);
closure = rut_closure_list_add (&dummy_list,
cb,
user_data,
destroy_cb);
rut_list_init (&closure->list_node);
return closure;
}
else
return sizable->add_preferred_size_callback (object,
cb,
user_data,
destroy_cb);
}
void
rut_graphable_remove_child (RutObject *child)
{
RutGraphableProps *child_props =
rut_object_get_properties (child, RUT_INTERFACE_ID_GRAPHABLE);
RutObject *parent = child_props->parent;
RutGraphableVTable *parent_vtable;
RutGraphableProps *parent_props;
if (!parent)
return;
parent_vtable = rut_object_get_vtable (parent, RUT_INTERFACE_ID_GRAPHABLE);
parent_props = rut_object_get_properties (parent, RUT_INTERFACE_ID_GRAPHABLE);
/* Note: we set ->parent to NULL here to avoid re-entrancy so
* ->child_removed can be a general function for removing a child
* that might itself call rut_graphable_remove_child() */
child_props->parent = NULL;
if (parent_vtable->child_removed)
parent_vtable->child_removed (parent, child);
g_queue_remove (&parent_props->children, child);
rut_refable_release (child, parent);
}
void
rut_selectable_cancel (RutObject *object)
{
RutSelectableVTable *selectable =
rut_object_get_vtable (object, RUT_INTERFACE_ID_SELECTABLE);
selectable->cancel (object);
}
CoglPrimitive *
rut_primable_get_primitive (RutObject *object)
{
RutPrimableVTable *primable =
rut_object_get_vtable (object, RUT_INTERFACE_ID_PRIMABLE);
return primable->get_primitive (object);
}
const CoglMatrix *
rut_transformable_get_matrix (RutObject *object)
{
RutTransformableVTable *transformable =
rut_object_get_vtable (object, RUT_INTERFACE_ID_TRANSFORMABLE);
return transformable->get_matrix (object);
}
void
rut_renderer_free_priv(rut_object_t *object, rig_entity_t *entity)
{
rut_renderer_vtable_t *renderer =
rut_object_get_vtable(object, RUT_TRAIT_ID_RENDERER);
return renderer->free_priv(entity);
}
RutProperty *
rut_introspectable_lookup_property (RutObject *object,
const char *name)
{
RutIntrospectableVTable *introspectable_vtable =
rut_object_get_vtable (object, RUT_INTERFACE_ID_INTROSPECTABLE);
return introspectable_vtable->lookup_property (object, name);
}
void
rut_renderer_notify_entity_changed(rut_object_t *object,
rig_entity_t *entity)
{
rut_renderer_vtable_t *renderer =
rut_object_get_vtable(object, RUT_TRAIT_ID_RENDERER);
return renderer->notify_entity_changed(entity);
}
void
rut_introspectable_foreach_property (RutObject *object,
RutIntrospectablePropertyCallback callback,
void *user_data)
{
RutIntrospectableVTable *introspectable_vtable =
rut_object_get_vtable (object, RUT_INTERFACE_ID_INTROSPECTABLE);
introspectable_vtable->foreach_property (object, callback, user_data);
}
void
rut_sizable_get_size (void *object,
float *width,
float *height)
{
RutSizableVTable *sizable =
rut_object_get_vtable (object, RUT_INTERFACE_ID_SIZABLE);
sizable->get_size (object,
width,
height);
}
void
rut_sizable_set_size (RutObject *object,
float width,
float height)
{
RutSizableVTable *sizable =
rut_object_get_vtable (object, RUT_INTERFACE_ID_SIZABLE);
sizable->set_size (object,
width,
height);
}
static RutTraverseVisitFlags
_rut_graphable_paint_cb (RutObject *object,
int depth,
void *user_data)
{
RutPaintContext *paint_ctx = user_data;
RutPaintableVTable *vtable =
rut_object_get_vtable (object, RUT_INTERFACE_ID_PAINTABLE);
vtable->paint (object, paint_ctx);
return RUT_TRAVERSE_VISIT_CONTINUE;
}
void
rut_refable_simple_unref (void *object)
{
int *ref_count = rut_object_get_properties (object,
RUT_INTERFACE_ID_REF_COUNTABLE);
if (--(*ref_count) < 1)
{
RutRefableVTable *vtable =
rut_object_get_vtable (object, RUT_INTERFACE_ID_REF_COUNTABLE);
g_assert (*ref_count == 0);
vtable->free (object);
}
}
void
rut_sizable_get_preferred_height (RutObject *object,
float for_width,
float *min_height_p,
float *natural_height_p)
{
RutSizableVTable *sizable =
rut_object_get_vtable (object, RUT_INTERFACE_ID_SIZABLE);
sizable->get_preferred_height (object,
for_width,
min_height_p,
natural_height_p);
}