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/* ATK - Accessibility Toolkit
* Copyright 2001 Sun Microsystems Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __ATK_RELATION_H__
#define __ATK_RELATION_H__
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#include <glib-object.h>
/*
* An AtkRelation describes a relation between the object and one or more
* other objects. The actual relations that an object has with other objects
* are defined as an AtkRelationSet, which is a set of AtkRelations.
*/
/**
*AtkRelationType:
*@ATK_RELATION_NULL:
*@ATK_RELATION_CONTROLLED_BY: Indicates an object controlled by one or more target objects.
*@ATK_RELATION_CONTROLLER_FOR: Indicates an object is an controller for one or more target objects.
*@ATK_RELATION_LABEL_FOR: Indicates an object is a label for one or more target objects.
*@ATK_RELATION_LABELLED_BY: Indicates an object is labelled by one or more target objects.
*@ATK_RELATION_MEMBER_OF: Indicates an object is a member of a group of one or more target objects.
*@ATK_RELATION_NODE_CHILD_OF: Indicates an object is a cell in a treetable which is displayed because a cell in the same column is expanded and identifies that cell.
*@ATK_RELATION_LAST_DEFINED:
*
*Describes the type of the relation
**/
typedef enum
{
ATK_RELATION_NULL = 0,
ATK_RELATION_CONTROLLED_BY,
ATK_RELATION_CONTROLLER_FOR,
ATK_RELATION_LABEL_FOR,
ATK_RELATION_LABELLED_BY,
ATK_RELATION_MEMBER_OF,
ATK_RELATION_NODE_CHILD_OF,
ATK_RELATION_LAST_DEFINED
} AtkRelationType;
#define ATK_TYPE_RELATION (atk_relation_get_type ())
#define ATK_RELATION(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), ATK_TYPE_RELATION, AtkRelation))
#define ATK_RELATION_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), ATK_TYPE_RELATION, AtkRelationClass))
#define ATK_IS_RELATION(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), ATK_TYPE_RELATION))
#define ATK_IS_RELATION_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), ATK_TYPE_RELATION))
#define ATK_RELATION_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), ATK_TYPE_RELATION, AtkRelationClass))
typedef struct _AtkRelation AtkRelation;
typedef struct _AtkRelationClass AtkRelationClass;
struct _AtkRelation
{
GObject parent;
GPtrArray *target;
AtkRelationType relationship;
};
struct _AtkRelationClass
{
GObjectClass parent;
};
GType atk_relation_get_type (void);
AtkRelationType atk_relation_type_register (const gchar *name);
G_CONST_RETURN gchar* atk_relation_type_get_name (AtkRelationType type);
AtkRelationType atk_relation_type_for_name (const gchar *name);
/*
* Create a new relation for the specified key and the specified list
* of targets.
*/
AtkRelation* atk_relation_new (AtkObject **targets,
gint n_targets,
AtkRelationType relationship);
/*
* Returns the type of a relation.
*/
AtkRelationType atk_relation_get_relation_type (AtkRelation *relation);
/*
* Returns the target list of a relation.
*/
GPtrArray* atk_relation_get_target (AtkRelation *relation);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __ATK_RELATION_H__ */
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