}
/**
- * atk_relation_set_get_relation
+ * atk_relation_set_get_relation:
* @set: an #AtkRelationSet
* @i: a gint representing a position in the set, starting from 0.
*
* Determines the relation at the specified position in the relation set.
*
- * Returns: a #AtkRelation, which is the relation at position i in the set.
+ * Returns: (transfer none): a #AtkRelation, which is the relation at
+ * position i in the set.
**/
AtkRelation*
atk_relation_set_get_relation (AtkRelationSet *set,
*
* Finds a relation that matches the specified type.
*
- * Returns: an #AtkRelation, which is a relation matching the specified type.
+ * Returns: (transfer none): an #AtkRelation, which is a relation matching the
+ * specified type.
**/
AtkRelation*
atk_relation_set_get_relation_by_type (AtkRelationSet *set,
* of that type. If it is does contain a relation of that typea the target
* is added to the relation.
*
- * Since: ATK 1.9
+ * Since: 1.9
**/
void
atk_relation_set_add_relation_by_type (AtkRelationSet *set,
}
}
+/**
+ * atk_relation_set_contains_target:
+ * @set: an #AtkRelationSet
+ * @relationship: an #AtkRelationType
+ * @target: an #AtkObject
+ *
+ * Determines whether the relation set contains a relation that
+ * matches the specified pair formed by type @relationship and object
+ * @target.
+ *
+ * Returns: %TRUE if @set contains a relation with the relationship
+ * type @relationship with an object @target, %FALSE otherwise
+ **/
+
+gboolean
+atk_relation_set_contains_target (AtkRelationSet *set,
+ AtkRelationType relationship,
+ AtkObject *target)
+{
+ GPtrArray *array_relations;
+ GPtrArray *array_target;
+ AtkObject *current_target;
+ AtkRelation *relation;
+ gint i;
+ gint c;
+
+ g_return_val_if_fail (ATK_IS_RELATION_SET (set), FALSE);
+ g_return_val_if_fail (ATK_IS_OBJECT (target), FALSE);
+
+ array_relations = set->relations;
+ if (array_relations == NULL)
+ return FALSE;
+
+ for (i = 0; i < array_relations->len; i++)
+ {
+ relation = g_ptr_array_index (array_relations, i);
+ if (relation->relationship == relationship)
+ {
+ array_target = atk_relation_get_target (relation);
+ for (c = 0; c < array_target->len; c++)
+ {
+ current_target = g_ptr_array_index (array_target, c);
+ if (target == current_target)
+ return TRUE;
+ }
+ }
+ }
+
+ return FALSE;
+}