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Add named modifiers for Action and Constraint

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The ClutterActor API should have modifier methods for adding, removing
and retrieving Actions and Constraints using the ClutterActorMeta:name
property - mostly, for convenience.
This commit is contained in:
Emmanuele Bassi 2010-05-20 11:19:51 +01:00
parent 4dc91339c3
commit 7ce2693944
5 changed files with 218 additions and 20 deletions
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19
clutter/clutter-action.h
View File

@ -82,12 +82,19 @@ struct _ClutterActionClass
GType clutter_action_get_type (void) G_GNUC_CONST;
/* ClutterActor API */
void clutter_actor_add_action (ClutterActor *self,
ClutterAction *action);
void clutter_actor_remove_action (ClutterActor *self,
ClutterAction *action);
GList *clutter_actor_get_actions (ClutterActor *self);
void clutter_actor_clear_actions (ClutterActor *self);
void clutter_actor_add_action (ClutterActor *self,
ClutterAction *action);
void clutter_actor_add_action_with_name (ClutterActor *self,
const gchar *name,
ClutterAction *action);
void clutter_actor_remove_action (ClutterActor *self,
ClutterAction *action);
void clutter_actor_remove_action_by_name (ClutterActor *self,
const gchar *name);
ClutterAction *clutter_actor_get_action (ClutterActor *self,
const gchar *name);
GList * clutter_actor_get_actions (ClutterActor *self);
void clutter_actor_clear_actions (ClutterActor *self);
G_END_DECLS

182
clutter/clutter-actor.c
View File

@ -10478,6 +10478,37 @@ clutter_actor_add_action (ClutterActor *self,
g_object_notify (G_OBJECT (self), "actions");
}
/**
* clutter_actor_add_action_with_name:
* @self: a #ClutterActor
* @name: the name to set on the action
* @constraint: a #ClutterAction
*
* A convenience function for setting the name of a #ClutterAction
* while adding it to the list of actions applied to @self
*
* This function is the logical equivalent of:
*
* |[
* clutter_actor_meta_set_name (CLUTTER_ACTOR_META (action), name);
* clutter_actor_add_action (self, action);
* ]|
*
* Since: 1.4
*/
void
clutter_actor_add_action_with_name (ClutterActor *self,
const gchar *name,
ClutterAction *action)
{
g_return_if_fail (CLUTTER_IS_ACTOR (self));
g_return_if_fail (name != NULL);
g_return_if_fail (CLUTTER_IS_ACTION (self));
clutter_actor_meta_set_name (CLUTTER_ACTOR_META (action), name);
clutter_actor_add_action (self, action);
}
/**
* clutter_actor_remove_action:
* @self: a #ClutterActor
@ -10508,6 +10539,40 @@ clutter_actor_remove_action (ClutterActor *self,
g_object_notify (G_OBJECT (self), "actions");
}
/**
* clutter_actor_remove_action_by_name:
* @self: a #ClutterActor
* @name: the name of the action to remove
*
* Removes the #ClutterAction with the given name from the list
* of actions applied to @self
*
* Since: 1.4
*/
void
clutter_actor_remove_action_by_name (ClutterActor *self,
const gchar *name)
{
ClutterActorPrivate *priv;
ClutterActorMeta *meta;
g_return_if_fail (CLUTTER_IS_ACTOR (self));
g_return_if_fail (name != NULL);
priv = self->priv;
if (priv->actions == NULL)
return;
meta = _clutter_meta_group_get_meta (priv->actions, name);
if (meta == NULL)
return;
_clutter_meta_group_remove_meta (priv->actions, meta);
g_object_notify (G_OBJECT (self), "actions");
}
/**
* clutter_actor_get_actions:
* @self: a #ClutterActor
@ -10536,6 +10601,33 @@ clutter_actor_get_actions (ClutterActor *self)
return g_list_copy ((GList *) actions);
}
/**
* clutter_actor_get_action:
* @self: a #ClutterActor
* @name: the name of the action to retrieve
*
* Retrieves the #ClutterAction with the given name in the list
* of actions applied to @self
*
* Return value: (transfer none): a #ClutterAction for the given
* name, or %NULL. The returned #ClutterAction is owned by the
* actor and it should not be unreferenced directly
*
* Since: 1.4
*/
ClutterAction *
clutter_actor_get_action (ClutterActor *self,
const gchar *name)
{
g_return_val_if_fail (CLUTTER_IS_ACTOR (self), NULL);
g_return_val_if_fail (name != NULL, NULL);
if (self->priv->actions == NULL)
return NULL;
return CLUTTER_ACTION (_clutter_meta_group_get_meta (self->priv->actions, name));
}
/**
* clutter_actor_clear_actions:
* @self: a #ClutterActor
@ -10592,6 +10684,37 @@ clutter_actor_add_constraint (ClutterActor *self,
g_object_notify (G_OBJECT (self), "constraints");
}
/**
* clutter_actor_add_constraint_with_name:
* @self: a #ClutterActor
* @name: the name to set on the constraint
* @constraint: a #ClutterConstraint
*
* A convenience function for setting the name of a #ClutterConstraint
* while adding it to the list of constraints applied to @self
*
* This function is the logical equivalent of:
*
* |[
* clutter_actor_meta_set_name (CLUTTER_ACTOR_META (constraint), name);
* clutter_actor_add_constraint (self, constraint);
* ]|
*
* Since: 1.4
*/
void
clutter_actor_add_constraint_with_name (ClutterActor *self,
const gchar *name,
ClutterConstraint *constraint)
{
g_return_if_fail (CLUTTER_IS_ACTOR (self));
g_return_if_fail (name != NULL);
g_return_if_fail (CLUTTER_IS_CONSTRAINT (constraint));
clutter_actor_meta_set_name (CLUTTER_ACTOR_META (constraint), name);
clutter_actor_add_constraint (self, constraint);
}
/**
* clutter_actor_remove_constraint:
* @self: a #ClutterActor
@ -10623,6 +10746,38 @@ clutter_actor_remove_constraint (ClutterActor *self,
g_object_notify (G_OBJECT (self), "constraints");
}
/**
* clutter_actor_remove_constraint_by_name:
* @self: a #ClutterActor
* @name: the name of the constraint to remove
*
* Removes the #ClutterConstraint with the given name from the list
* of constraints applied to @self
*
* Since: 1.4
*/
void
clutter_actor_remove_constraint_by_name (ClutterActor *self,
const gchar *name)
{
ClutterActorPrivate *priv;
ClutterActorMeta *meta;
g_return_if_fail (CLUTTER_IS_ACTOR (self));
g_return_if_fail (name != NULL);
priv = self->priv;
if (priv->constraints == NULL)
return;
meta = _clutter_meta_group_get_meta (priv->constraints, name);
if (meta == NULL)
return;
_clutter_meta_group_remove_meta (priv->constraints, meta);
}
/**
* clutter_actor_get_constraints:
* @self: a #ClutterActor
@ -10651,6 +10806,33 @@ clutter_actor_get_constraints (ClutterActor *self)
return g_list_copy ((GList *) constraints);
}
/**
* clutter_actor_get_constraint:
* @self: a #ClutterActor
* @name: the name of the constraint to retrieve
*
* Retrieves the #ClutterConstraint with the given name in the list
* of constraints applied to @self
*
* Return value: (transfer none): a #ClutterConstraint for the given
* name, or %NULL. The returned #ClutterConstraint is owned by the
* actor and it should not be unreferenced directly
*
* Since: 1.4
*/
ClutterConstraint *
clutter_actor_get_constraint (ClutterActor *self,
const gchar *name)
{
g_return_val_if_fail (CLUTTER_IS_ACTOR (self), NULL);
g_return_val_if_fail (name != NULL, NULL);
if (self->priv->constraints == NULL)
return NULL;
return CLUTTER_CONSTRAINT (_clutter_meta_group_get_meta (self->priv->constraints, name));
}
/**
* clutter_actor_clear_constraints:
* @self: a #ClutterActor

19
clutter/clutter-constraint.h
View File

@ -83,12 +83,19 @@ struct _ClutterConstraintClass
GType clutter_constraint_get_type (void) G_GNUC_CONST;
/* ClutterActor API */
void clutter_actor_add_constraint (ClutterActor *self,
ClutterConstraint *constraint);
void clutter_actor_remove_constraint (ClutterActor *self,
ClutterConstraint *constraint);
GList *clutter_actor_get_constraints (ClutterActor *self);
void clutter_actor_clear_constraints (ClutterActor *self);
void clutter_actor_add_constraint (ClutterActor *self,
ClutterConstraint *constraint);
void clutter_actor_add_constraint_with_name (ClutterActor *self,
const gchar *name,
ClutterConstraint *constraint);
void clutter_actor_remove_constraint (ClutterActor *self,
ClutterConstraint *constraint);
void clutter_actor_remove_constraint_by_name (ClutterActor *self,
const gchar *name);
GList * clutter_actor_get_constraints (ClutterActor *self);
ClutterConstraint *clutter_actor_get_constraint (ClutterActor *self,
const gchar *name);
void clutter_actor_clear_constraints (ClutterActor *self);
G_END_DECLS

6
doc/reference/clutter/clutter-sections.txt
View File

@ -410,12 +410,18 @@ clutter_actor_has_pointer
<SUBSECTION>
clutter_actor_add_action
clutter_actor_add_action_with_name
clutter_actor_remove_action
clutter_actor_remove_action_by_name
clutter_actor_get_actions
clutter_actor_get_action
clutter_actor_clear_actions
clutter_actor_add_constraint
clutter_actor_add_constraint_with_name
clutter_actor_remove_constraint
clutter_actor_remove_constraint_by_name
clutter_actor_get_constraints
clutter_actor_get_constraint
clutter_actor_clear_constraints
<SUBSECTION>

12
tests/interactive/test-constraints.c
View File

@ -137,12 +137,10 @@ test_constraints_main (int argc, char *argv[])
clutter_container_add_actor (CLUTTER_CONTAINER (stage), rect);
constraint = clutter_align_constraint_new (stage, CLUTTER_ALIGN_X_AXIS, 0.5);
clutter_actor_meta_set_name (CLUTTER_ACTOR_META (constraint), "x-align");
clutter_actor_add_constraint (rect, constraint);
clutter_actor_add_constraint_with_name (rect, "x-align", constraint);
constraint = clutter_align_constraint_new (stage, CLUTTER_ALIGN_Y_AXIS, 0.5);
clutter_actor_meta_set_name (CLUTTER_ACTOR_META (constraint), "y-align");
clutter_actor_add_constraint (rect, constraint);
clutter_actor_add_constraint_with_name (rect, "y-align", constraint);
rects[Center] = rect;
@ -159,12 +157,10 @@ test_constraints_main (int argc, char *argv[])
clutter_container_add_actor (CLUTTER_CONTAINER (stage), rect);
constraint = clutter_bind_constraint_new (rects[Center], CLUTTER_BIND_X, 0.0);
clutter_actor_meta_set_name (CLUTTER_ACTOR_META (constraint), "x-bind");
clutter_actor_add_constraint (rect, constraint);
clutter_actor_add_constraint_with_name (rect, "x-bind", constraint);
constraint = clutter_bind_constraint_new (rects[Center], CLUTTER_BIND_Y, 0.0);
clutter_actor_meta_set_name (CLUTTER_ACTOR_META (constraint), "y-bind");
clutter_actor_add_constraint (rect, constraint);
clutter_actor_add_constraint_with_name (rect, "y-bind", constraint);
rects[i] = rect;
}