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-rwxr-xr-xatk/atkvalue.c146
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diff --git a/atk/atkvalue.c b/atk/atkvalue.c
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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 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 "atkvalue.h"
+
+GType
+atk_value_get_type ()
+{
+ static GType type = 0;
+
+ if (!type) {
+ GTypeInfo tinfo =
+ {
+ sizeof (AtkValueIface),
+ NULL,
+ 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
+ *
+ * WARNING: callers should not rely on %NULL or on a zero value for
+ * indication of whether AtkValue is implemented, they should
+ * use type checking/interface checking macros or the
+ * atk_get_accessible_value() convenience method.
+ **/
+void
+atk_value_get_current_value (AtkValue *obj,
+ GValue *value)
+{
+ AtkValueIface *iface;
+
+ g_return_if_fail (obj != NULL);
+ g_return_if_fail (value != NULL);
+ g_return_if_fail (ATK_IS_VALUE (obj));
+ g_return_if_fail (G_IS_VALUE (value));
+
+ iface = ATK_VALUE_GET_IFACE (obj);
+
+ if (iface->get_current_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
+ *
+ * WARNING: callers should not rely on %NULL or on a zero value for
+ * indication of whether AtkValue is implemented, they should
+ * use type checking/interface checking macros or the
+ * atk_get_accessible_value() convenience method.
+ **/
+void
+atk_value_get_maximum_value (AtkValue *obj,
+ GValue *value)
+{
+ AtkValueIface *iface;
+
+ g_return_if_fail (obj != NULL);
+ g_return_if_fail (value != NULL);
+ g_return_if_fail (ATK_IS_VALUE (obj));
+ g_return_if_fail (G_IS_VALUE (value));
+
+ iface = ATK_VALUE_GET_IFACE (obj);
+
+ if (iface->get_maximum_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
+ *
+ * WARNING: callers should not rely on %NULL or on a zero value for
+ * indication of whether AtkValue is implemented, they should
+ * use type checking/interface checking macros or the
+ * atk_get_accessible_value() convenience method.
+ **/
+void
+atk_value_get_minimum_value (AtkValue *obj,
+ GValue *value)
+{
+ AtkValueIface *iface;
+
+ g_return_if_fail (obj != NULL);
+ g_return_if_fail (value != NULL);
+ g_return_if_fail (ATK_IS_VALUE (obj));
+ g_return_if_fail (G_IS_VALUE (value));
+
+ iface = ATK_VALUE_GET_IFACE (obj);
+
+ if (iface->get_minimum_value)
+ return (iface->get_minimum_value) (obj, value);
+}
+
+/**
+ * atk_value_set_current_value:
+ * @obj: a GObject instance that implements AtkValueIface
+ * @value: a #GValue which is the desired new accessible value.
+ * @return: %true if new value is successfully set, %false otherwise.
+ **/
+gboolean
+atk_value_set_current_value (AtkValue *obj,
+ GValue *value)
+{
+ AtkValueIface *iface;
+
+ g_return_val_if_fail (obj != NULL, FALSE);
+ g_return_val_if_fail (value != NULL, FALSE);
+ 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;
+}