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actor: Add remove_all_children()

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A simple method for removing all children of an actor in one fell swoop.
This commit is contained in:
Emmanuele Bassi 2011-12-19 18:01:04 +00:00 committed by Emmanuele Bassi
parent 673961f40c
commit f61916fc5e
4 changed files with 76 additions and 6 deletions
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50
clutter/clutter-actor.c
View file

@ -9679,7 +9679,8 @@ clutter_actor_add_child_internal (ClutterActor *self,
* This function will take into consideration the #ClutterActor:depth
* of @child, and will keep the list of children sorted.
*
* This function will emit the #ClutterContainer::actor-added signal.
* This function will emit the #ClutterContainer::actor-added signal
* on @self.
*
* Since: 1.10
*/
@ -9714,7 +9715,8 @@ clutter_actor_add_child (ClutterActor *self,
* This function will not take into consideration the #ClutterActor:depth
* of @child.
*
* This function will emit the #ClutterContainer::actor-added signal.
* This function will emit the #ClutterContainer::actor-added signal
* on @self.
*
* Since: 1.10
*/
@ -9751,7 +9753,8 @@ clutter_actor_insert_child_at_index (ClutterActor *self,
* This function will not take into consideration the #ClutterActor:depth
* of @child.
*
* This function will emit the #ClutterContainer::actor-added signal.
* This function will emit the #ClutterContainer::actor-added signal
* on @self.
*
* Since: 1.10
*/
@ -9792,7 +9795,8 @@ clutter_actor_insert_child_above (ClutterActor *self,
* This function will not take into consideration the #ClutterActor:depth
* of @child.
*
* This function will emit the #ClutterContainer::actor-added signal.
* This function will emit the #ClutterContainer::actor-added signal
* on @self.
*
* Since: 1.10
*/
@ -10019,7 +10023,7 @@ clutter_actor_remove_child_internal (ClutterActor *self,
* function.
*
* This function will emit the #ClutterContainer::actor-removed
* signal.
* signal on @self.
*
* Since: 1.10
*/
@ -10036,6 +10040,42 @@ clutter_actor_remove_child (ClutterActor *self,
clutter_actor_remove_child_internal (self, child, TRUE, TRUE);
}
/**
* clutter_actor_remove_all_children:
* @self: a #ClutterActor
*
* Removes all children of @self.
*
* This function releases the reference added by inserting a child actor
* in the list of children of @self.
*
* Since: 1.10
*/
void
clutter_actor_remove_all_children (ClutterActor *self)
{
ClutterActor *iter;
g_return_if_fail (CLUTTER_IS_ACTOR (self));
if (self->priv->n_children == 0)
return;
iter = self->priv->first_child;
while (iter != NULL)
{
ClutterActor *next = iter->priv->next_sibling;
clutter_actor_remove_child_internal (self, iter, TRUE, TRUE);
iter = next;
}
g_assert (self->priv->first_child == NULL);
g_assert (self->priv->last_child == NULL);
g_assert (self->priv->n_children == 0);
}
typedef struct _InsertBetweenData {
ClutterActor *prev_sibling;
ClutterActor *next_sibling;

1
clutter/clutter-actor.h
View file

@ -466,6 +466,7 @@ void clutter_actor_replace_child (ClutterActor
ClutterActor *new_child);
void clutter_actor_remove_child (ClutterActor *self,
ClutterActor *child);
void clutter_actor_remove_all_children (ClutterActor *self);
GList * clutter_actor_get_children (ClutterActor *self);
gint clutter_actor_get_n_children (ClutterActor *self);
ClutterActor * clutter_actor_get_child_at_index (ClutterActor *self,

28
tests/conform/test-actor-graph.c
View file

@ -311,3 +311,31 @@ actor_replace_child (TestConformSimpleFixture *fixture,
clutter_actor_destroy (actor);
g_object_unref (actor);
}
void
actor_remove_all (TestConformSimpleFixture *fixture,
gconstpointer dummy)
{
ClutterActor *actor = clutter_actor_new ();
g_object_ref_sink (actor);
clutter_actor_add_child (actor, g_object_new (CLUTTER_TYPE_ACTOR,
"name", "foo",
NULL));
clutter_actor_add_child (actor, g_object_new (CLUTTER_TYPE_ACTOR,
"name", "bar",
NULL));
clutter_actor_add_child (actor, g_object_new (CLUTTER_TYPE_ACTOR,
"name", "baz",
NULL));
g_assert_cmpint (clutter_actor_get_n_children (actor), ==, 3);
clutter_actor_remove_all_children (actor);
g_assert_cmpint (clutter_actor_get_n_children (actor), ==, 0);
clutter_actor_destroy (actor);
g_object_unref (actor);
}

3
tests/conform/test-conform-main.c
View file

@ -130,10 +130,11 @@ main (int argc, char **argv)
TEST_CONFORM_SIMPLE ("/actor", actor_add_child);
TEST_CONFORM_SIMPLE ("/actor", actor_insert_child);
TEST_CONFORM_SIMPLE ("/actor", actor_remove_child);
TEST_CONFORM_SIMPLE ("/actor", actor_raise_child);
TEST_CONFORM_SIMPLE ("/actor", actor_lower_child);
TEST_CONFORM_SIMPLE ("/actor", actor_replace_child);
TEST_CONFORM_SIMPLE ("/actor", actor_remove_child);
TEST_CONFORM_SIMPLE ("/actor", actor_remove_all);
TEST_CONFORM_SIMPLE ("/actor", actor_destruction);
TEST_CONFORM_SIMPLE ("/actor", actor_anchors);
TEST_CONFORM_SIMPLE ("/actor", actor_picking);