2 * AT-SPI - Assistive Technology Service Provider Interface
3 * (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
5 * Copyright 2001, 2002 Sun Microsystems Inc.,
6 * Copyright 2001, 2002 Ximian, Inc.
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Library General Public License for more details.
18 * You should have received a copy of the GNU Library General Public
19 * License along with this library; if not, write to the
20 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21 * Boston, MA 02111-1307, USA.
24 #include "atspi-private.h"
27 * atspi_value_get_minimum_value:
28 * @obj: a pointer to the #AtspiValue implementor on which to operate.
30 * Get the minimum allowed value for an #AtspiValue.
32 * Returns: the minimum allowed value for this object.
36 atspi_value_get_minimum_value (AtspiValue *obj, GError **error)
40 g_return_val_if_fail (obj != NULL, 0.0);
41 _atspi_dbus_get_property (obj, atspi_interface_value, "MinimumValue", error, "d", &retval);
47 * atspi_value_get_current_value:
48 * @obj: a pointer to the #AtspiValue implementor on which to operate.
50 * Get the current value for an #AtspiValue.
52 * Returns: the current value for this object.
55 atspi_value_get_current_value (AtspiValue *obj, GError **error)
59 g_return_val_if_fail (obj != NULL, 0.0);
61 _atspi_dbus_get_property (obj, atspi_interface_value, "CurrentValue", error, "d", &retval);
67 * atspi_value_get_maximum_value:
68 * @obj: a pointer to the #AtspiValue implementor on which to operate.
70 * Get the maximum allowed value for an #AtspiValue.
72 * Returns: the maximum allowed value for this object.
75 atspi_value_get_maximum_value (AtspiValue *obj, GError **error)
79 g_return_val_if_fail (obj != NULL, 0.0);
81 _atspi_dbus_get_property (obj, atspi_interface_value, "MaximumValue", error, "d", &retval);
87 * atspi_value_set_current_value:
88 * @obj: a pointer to the #AtspiValue implementor on which to operate.
89 * @new_value: a #float value which is the desired new value of the object.
91 * Set the current value of an #AtspiValue.
93 * Returns: #TRUE if the value could be assigned the specified value,
97 atspi_value_set_current_value (AtspiValue *obj, gdouble new_value, GError **error)
99 double d_new_value = new_value;
101 g_return_val_if_fail (obj != NULL, FALSE);
103 _atspi_dbus_call (obj, atspi_interface_value, "SetCurrentValue", error, "d", &d_new_value);
109 * atspi_value_get_minimum_increment:
110 * @obj: a pointer to the #AtspiValue implementor on which to operate.
112 * Get the minimum increment by which an #AtspiValue can be adjusted.
114 * Returns: the minimum increment by which the value may be changed, or
115 * zero if the minimum increment cannot be determined.
119 atspi_value_get_minimum_increment (AtspiValue *obj, GError **error)
123 g_return_val_if_fail (obj != NULL, 0.0);
125 _atspi_dbus_get_property (obj, atspi_interface_value, "MinimumIncrement", error, "d", &retval);
131 atspi_value_base_init (AtspiValue *klass)
136 atspi_value_get_type (void)
138 static GType type = 0;
141 static const GTypeInfo tinfo =
144 (GBaseInitFunc) atspi_value_base_init,
145 (GBaseFinalizeFunc) NULL,
148 type = g_type_register_static (G_TYPE_INTERFACE, "AtspiValue", &tinfo, 0);