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_H__
21 #define __ATK_RELATION_H__
25 #endif /* __cplusplus */
27 #include <glib-object.h>
30 * An AtkRelation describes a relation between the object and one or more
31 * other objects. The actual relations that an object has with other objects
32 * are defined as an AtkRelationSet, which is a set of AtkRelations.
38 *@ATK_RELATION_CONTROLLED_BY: Indicates an object controlled by one or more target objects.
39 *@ATK_RELATION_CONTROLLER_FOR: Indicates an object is an controller for one or more target objects.
40 *@ATK_RELATION_LABEL_FOR: Indicates an object is a label for one or more target objects.
41 *@ATK_RELATION_LABELLED_BY: Indicates an object is labelled by one or more target objects.
42 *@ATK_RELATION_MEMBER_OF: Indicates an object is a member of a group of one or more target objects.
43 *@ATK_RELATION_NODE_CHILDREN: Indicates an object is a node in a tree or table and a compound object which more than one subobject
44 *@ATK_RELATION_NODE_PARENT: Indicates an object is a subobject of a compound object which is a node in a tree or table.
45 *@ATK_RELATION_LAST_DEFINED:
47 *Describes the type of the relation
51 ATK_RELATION_NULL = 0,
52 ATK_RELATION_CONTROLLED_BY,
53 ATK_RELATION_CONTROLLER_FOR,
54 ATK_RELATION_LABEL_FOR,
55 ATK_RELATION_LABELLED_BY,
56 ATK_RELATION_MEMBER_OF,
57 ATK_RELATION_NODE_CHILDREN,
58 ATK_RELATION_NODE_PARENT,
59 ATK_RELATION_LAST_DEFINED
62 #define ATK_TYPE_RELATION (atk_relation_get_type ())
63 #define ATK_RELATION(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), ATK_TYPE_RELATION, AtkRelation))
64 #define ATK_RELATION_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), ATK_TYPE_RELATION, AtkRelationClass))
65 #define ATK_IS_RELATION(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), ATK_TYPE_RELATION))
66 #define ATK_IS_RELATION_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), ATK_TYPE_RELATION))
67 #define ATK_RELATION_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), ATK_TYPE_RELATION, AtkRelationClass))
69 typedef struct _AtkRelation AtkRelation;
70 typedef struct _AtkRelationClass AtkRelationClass;
78 AtkRelationType relationship;
81 struct _AtkRelationClass
86 GType atk_relation_get_type (void);
88 AtkRelationType atk_relation_type_register (const gchar *name);
90 AtkRelationType atk_relation_type_from_string (const gchar *name);
93 * Create a new relation for the specified key and the specified list
96 AtkRelation* atk_relation_new (AtkObject **targets,
98 AtkRelationType relationship);
100 * Returns the type of a relation.
102 AtkRelationType atk_relation_get_relation_type (AtkRelation *relation);
104 * Returns the target list of a relation.
106 GPtrArray* atk_relation_get_target (AtkRelation *relation);
110 #endif /* __cplusplus */
112 #endif /* __ATK_RELATION_H__ */