1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
|
/* ATK - Accessibility Toolkit
* Copyright 2001, 2002, 2003 Sun Microsystems Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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.
*/
#include <string.h>
#include "atkvalue.h"
GType
atk_value_get_type (void)
{
static GType type = 0;
if (!type) {
GTypeInfo tinfo =
{
sizeof (AtkValueIface),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
};
type = g_type_register_static (G_TYPE_INTERFACE, "AtkValue", &tinfo, 0);
}
return type;
}
/**
* atk_value_get_current_value:
* @obj: a GObject instance that implements AtkValueIface
* @value: a #GValue representing the current accessible value
*
* Gets the value of this object.
**/
void
atk_value_get_current_value (AtkValue *obj,
GValue *value)
{
AtkValueIface *iface;
g_return_if_fail (value != NULL);
g_return_if_fail (ATK_IS_VALUE (obj));
iface = ATK_VALUE_GET_IFACE (obj);
if (iface->get_current_value)
{
if (G_IS_VALUE (value))
g_value_unset (value);
else
memset (value, 0, sizeof (*value));
(iface->get_current_value) (obj, value);
}
}
/**
* atk_value_get_maximum_value:
* @obj: a GObject instance that implements AtkValueIface
* @value: a #GValue representing the maximum accessible value
*
* Gets the maximum value of this object.
**/
void
atk_value_get_maximum_value (AtkValue *obj,
GValue *value)
{
AtkValueIface *iface;
g_return_if_fail (value != NULL);
g_return_if_fail (ATK_IS_VALUE (obj));
iface = ATK_VALUE_GET_IFACE (obj);
if (iface->get_maximum_value)
{
if (G_IS_VALUE (value))
g_value_unset (value);
else
memset (value, 0, sizeof (*value));
(iface->get_maximum_value) (obj, value);
}
}
/**
* atk_value_get_minimum_value:
* @obj: a GObject instance that implements AtkValueIface
* @value: a #GValue representing the minimum accessible value
*
* Gets the minimum value of this object.
**/
void
atk_value_get_minimum_value (AtkValue *obj,
GValue *value)
{
AtkValueIface *iface;
g_return_if_fail (value != NULL);
g_return_if_fail (ATK_IS_VALUE (obj));
iface = ATK_VALUE_GET_IFACE (obj);
if (iface->get_minimum_value)
{
if (G_IS_VALUE (value))
g_value_unset (value);
else
memset (value, 0, sizeof (*value));
(iface->get_minimum_value) (obj, value);
}
}
/**
* atk_value_get_minimum_increment:
* @obj: a GObject instance that implements AtkValueIface
* @value: a #GValue representing the minimum increment by which the accessible value may be changed
*
* Gets the minimum increment by which the value of this object may be changed. If zero,
* the minimum increment is undefined, which may mean that it is limited only by the
* floating point precision of the platform.
*
* Since: 1.12
**/
void
atk_value_get_minimum_increment (AtkValue *obj,
GValue *value)
{
AtkValueIface *iface;
g_return_if_fail (value != NULL);
g_return_if_fail (ATK_IS_VALUE (obj));
iface = ATK_VALUE_GET_IFACE (obj);
if (iface->get_minimum_increment)
{
if (G_IS_VALUE (value))
g_value_unset (value);
else
memset (value, 0, sizeof (*value));
(iface->get_minimum_increment) (obj, value);
}
}
/**
* atk_value_set_current_value:
* @obj: a GObject instance that implements AtkValueIface
* @value: a #GValue which is the desired new accessible value.
*
* Sets the value of this object.
*
* Returns: %TRUE if new value is successfully set, %FALSE otherwise.
**/
gboolean
atk_value_set_current_value (AtkValue *obj,
const GValue *value)
{
AtkValueIface *iface;
g_return_val_if_fail (ATK_IS_VALUE (obj), FALSE);
g_return_val_if_fail (G_IS_VALUE (value), FALSE);
iface = ATK_VALUE_GET_IFACE (obj);
if (iface->set_current_value)
return (iface->set_current_value) (obj, value);
else
return FALSE;
}
|
