===== Released 1.1.4 =====
[atk.git] / atk / atkvalue.h
blob1bd668bfe06748b9481ab47ae429a68dadb81987
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_VALUE_H__
21 #define __ATK_VALUE_H__
23 #include <atk/atkobject.h>
25 #ifdef __cplusplus
26 extern "C" {
27 #endif /* __cplusplus */
30 * The AtkValue interface should be supported by any object that
31 * supports a numerical value (e.g., a scroll bar). This interface
32 * provides the standard mechanism for an assistive technology to
33 * determine and set the numerical value as well as get the minimum
34 * and maximum values.
37 #define ATK_TYPE_VALUE (atk_value_get_type ())
38 #define ATK_IS_VALUE(obj) G_TYPE_CHECK_INSTANCE_TYPE ((obj), ATK_TYPE_VALUE)
39 #define ATK_VALUE(obj) G_TYPE_CHECK_INSTANCE_CAST ((obj), ATK_TYPE_VALUE, AtkValue)
40 #define ATK_VALUE_GET_IFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), ATK_TYPE_VALUE, AtkValueIface))
42 #ifndef _TYPEDEF_ATK_VALUE_
43 #define _TYPEDEF_ATK_VALUE__
44 typedef struct _AtkValue AtkValue;
45 #endif
46 typedef struct _AtkValueIface AtkValueIface;
48 struct _AtkValueIface
50 GTypeInterface parent;
52 void (* get_current_value) (AtkValue *obj,
53 GValue *value);
54 void (* get_maximum_value) (AtkValue *obj,
55 GValue *value);
56 void (* get_minimum_value) (AtkValue *obj,
57 GValue *value);
58 gboolean (* set_current_value) (AtkValue *obj,
59 const GValue *value);
61 AtkFunction pad1;
62 AtkFunction pad2;
65 GType atk_value_get_type (void);
67 void atk_value_get_current_value (AtkValue *obj,
68 GValue *value);
71 void atk_value_get_maximum_value (AtkValue *obj,
72 GValue *value);
74 void atk_value_get_minimum_value (AtkValue *obj,
75 GValue *value);
77 gboolean atk_value_set_current_value (AtkValue *obj,
78 const GValue *value);
81 * Additional GObject properties exported by GaccessibleValue:
82 * "accessible_value"
83 * (the accessible value has changed)
87 #ifdef __cplusplus
89 #endif /* __cplusplus */
92 #endif /* __ATK_VALUE_H__ */