1 /* ATK - Accessibility Toolkit
2 * Copyright 2001 Sun Microsystems Inc.
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
20 #ifndef __ATK_RELATION_SET_H__
21 #define __ATK_RELATION_SET_H__
25 #endif /* __cplusplus */
27 #include <glib-object.h>
28 #include <atk/atkobject.h>
29 #include <atk/atkrelation.h>
31 #define ATK_TYPE_RELATION_SET (atk_relation_set_get_type ())
32 #define ATK_RELATION_SET(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), ATK_TYPE_RELATION_SET, AtkRelationSet))
33 #define ATK_RELATION_SET_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), ATK_TYPE_RELATION_SET, AtkRelationSetClass))
34 #define ATK_IS_RELATION_SET(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), ATK_TYPE_RELATION_SET))
35 #define ATK_IS_RELATION_SET_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), ATK_TYPE_RELATION_SET))
36 #define ATK_RELATION_SET_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), ATK_TYPE_RELATION_SET, AtkRelationSetClass))
38 typedef struct _AtkRelationSetClass AtkRelationSetClass;
41 struct _AtkRelationSet
48 struct _AtkRelationSetClass
53 GType atk_relation_set_get_type (void);
56 * Create a new relation set.
58 AtkRelationSet* atk_relation_set_new (void);
60 * Returns whether the relation set contains a relation that matches the
63 gboolean atk_relation_set_contains (AtkRelationSet *set,
64 AtkRelationType relationship);
66 * Remove a relation from the relation set.
68 * This function unref's the AtkRelation so it will be deleted unless there
69 * is another reference to it.
71 void atk_relation_set_remove (AtkRelationSet *set,
72 AtkRelation *relation);
74 * Add a new relation to the current relation set if it is not already
77 * This function ref's the AtkRelation so the caller of this function
78 * should unref it to ensure that it will be destroyed when the AtkRelationSet
81 void atk_relation_set_add (AtkRelationSet *set,
82 AtkRelation *relation);
84 * Returns the number of relations in a relation set.
86 gint atk_relation_set_get_n_relations (AtkRelationSet *set);
88 * Returns the relation at the specified position in the relation set.
90 AtkRelation* atk_relation_set_get_relation (AtkRelationSet *set,
93 * Returns a relation that matches the specified type.
95 AtkRelation* atk_relation_set_get_relation_by_type (AtkRelationSet *set,
96 AtkRelationType relationship);
100 #endif /* __cplusplus */
103 #endif /* __ATK_RELATION_SET_H__ */