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Diffstat (limited to 'atk/atkvalue.c')
-rwxr-xr-x | atk/atkvalue.c | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/atk/atkvalue.c b/atk/atkvalue.c new file mode 100755 index 0000000..eaddd69 --- /dev/null +++ b/atk/atkvalue.c @@ -0,0 +1,146 @@ +/* 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; +} |