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Use G_DEFINE_INTERFACE

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GObject provides us with a nice, safe macro for defining interface
types.
This commit is contained in:
Emmanuele Bassi
2010-10-08 14:47:46 +01:00
parent 8f5d6cb790
commit 9caf11f2d8
5 changed files with 251 additions and 332 deletions
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172
clutter/clutter-container.c
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@ -96,112 +96,84 @@ static void child_notify (ClutterContainer *container,
ClutterActor *child,
GParamSpec *pspec);
typedef ClutterContainerIface ClutterContainerInterface;
G_DEFINE_INTERFACE (ClutterContainer, clutter_container, CLUTTER_TYPE_ACTOR);
static void
clutter_container_base_init (gpointer g_iface)
clutter_container_default_init (ClutterContainerInterface *iface)
{
static gboolean initialised = FALSE;
GType iface_type = G_TYPE_FROM_INTERFACE (iface);
if (!initialised)
{
GType iface_type = G_TYPE_FROM_INTERFACE (g_iface);
ClutterContainerIface *iface = g_iface;
quark_child_meta =
g_quark_from_static_string ("clutter-container-child-data");
initialised = TRUE;
/**
* ClutterContainer::actor-added:
* @container: the actor which received the signal
* @actor: the new child that has been added to @container
*
* The ::actor-added signal is emitted each time an actor
* has been added to @container.
*
* Since: 0.4
*/
container_signals[ACTOR_ADDED] =
g_signal_new (I_("actor-added"),
iface_type,
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (ClutterContainerIface, actor_added),
NULL, NULL,
_clutter_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
CLUTTER_TYPE_ACTOR);
/**
* ClutterContainer::actor-removed:
* @container: the actor which received the signal
* @actor: the child that has been removed from @container
*
* The ::actor-removed signal is emitted each time an actor
* is removed from @container.
*
* Since: 0.4
*/
container_signals[ACTOR_REMOVED] =
g_signal_new (I_("actor-removed"),
iface_type,
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (ClutterContainerIface, actor_removed),
NULL, NULL,
_clutter_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
CLUTTER_TYPE_ACTOR);
quark_child_meta =
g_quark_from_static_string ("clutter-container-child-data");
/**
* ClutterContainer::child-notify:
* @container: the container which received the signal
* @actor: the child that has had a property set
* @pspec: the #GParamSpec of the property set
*
* The ::child-notify signal is emitted each time a property is
* being set through the clutter_container_child_set() and
* clutter_container_child_set_property() calls.
*
* Since: 0.8
*/
container_signals[CHILD_NOTIFY] =
g_signal_new (I_("child-notify"),
iface_type,
G_SIGNAL_RUN_FIRST | G_SIGNAL_DETAILED,
G_STRUCT_OFFSET (ClutterContainerIface, child_notify),
NULL, NULL,
_clutter_marshal_VOID__OBJECT_PARAM,
G_TYPE_NONE, 2,
CLUTTER_TYPE_ACTOR, G_TYPE_PARAM);
/**
* ClutterContainer::actor-added:
* @container: the actor which received the signal
* @actor: the new child that has been added to @container
*
* The ::actor-added signal is emitted each time an actor
* has been added to @container.
*
* Since: 0.4
*/
container_signals[ACTOR_ADDED] =
g_signal_new (I_("actor-added"),
iface_type,
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (ClutterContainerIface, actor_added),
NULL, NULL,
_clutter_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
CLUTTER_TYPE_ACTOR);
/**
* ClutterContainer::actor-removed:
* @container: the actor which received the signal
* @actor: the child that has been removed from @container
*
* The ::actor-removed signal is emitted each time an actor
* is removed from @container.
*
* Since: 0.4
*/
container_signals[ACTOR_REMOVED] =
g_signal_new (I_("actor-removed"),
iface_type,
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (ClutterContainerIface, actor_removed),
NULL, NULL,
_clutter_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
CLUTTER_TYPE_ACTOR);
/**
* ClutterContainer::child-notify:
* @container: the container which received the signal
* @actor: the child that has had a property set
* @pspec: the #GParamSpec of the property set
*
* The ::child-notify signal is emitted each time a property is
* being set through the clutter_container_child_set() and
* clutter_container_child_set_property() calls.
*
* Since: 0.8
*/
container_signals[CHILD_NOTIFY] =
g_signal_new (I_("child-notify"),
iface_type,
G_SIGNAL_RUN_FIRST | G_SIGNAL_DETAILED,
G_STRUCT_OFFSET (ClutterContainerIface, child_notify),
NULL, NULL,
_clutter_marshal_VOID__OBJECT_PARAM,
G_TYPE_NONE, 2,
CLUTTER_TYPE_ACTOR, G_TYPE_PARAM);
iface->child_meta_type = G_TYPE_INVALID;
iface->create_child_meta = create_child_meta;
iface->destroy_child_meta = destroy_child_meta;
iface->get_child_meta = get_child_meta;
iface->child_notify = child_notify;
}
}
GType
clutter_container_get_type (void)
{
static GType container_type = 0;
if (G_UNLIKELY (!container_type))
{
const GTypeInfo container_info =
{
sizeof (ClutterContainerIface),
clutter_container_base_init,
NULL, /* iface_base_finalize */
};
container_type = g_type_register_static (G_TYPE_INTERFACE,
I_("ClutterContainer"),
&container_info, 0);
g_type_interface_add_prerequisite (container_type, G_TYPE_OBJECT);
}
return container_type;
iface->child_meta_type = G_TYPE_INVALID;
iface->create_child_meta = create_child_meta;
iface->destroy_child_meta = destroy_child_meta;
iface->get_child_meta = get_child_meta;
iface->child_notify = child_notify;
}
/**