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 Lesser 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 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser 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.
28 * @Short_description: An AtkState describes a single state of an object.
31 * An AtkState describes a single state of an object. The full set of states
32 * that apply to an object at a given time are contained in its #AtkStateSet.
33 * See also #atk_object_ref_state_set and #atk_object_notify_state_change.
36 static guint last_type = ATK_STATE_LAST_DEFINED;
38 #define NUM_POSSIBLE_STATES (sizeof(AtkState)*8)
40 static gchar* state_names[NUM_POSSIBLE_STATES];
43 * atk_state_type_register:
44 * @name: a character string describing the new state.
46 * Register a new object state.
48 * Returns: an #AtkState value for the new state.
51 atk_state_type_register (const gchar *name)
53 g_return_val_if_fail (name, ATK_STATE_INVALID);
55 if (last_type < NUM_POSSIBLE_STATES -1)
57 state_names[++last_type] = g_strdup (name);
60 return ATK_STATE_INVALID; /* caller needs to check */
64 * atk_state_type_get_name:
65 * @type: The #AtkStateType whose name is required
67 * Gets the description string describing the #AtkStateType @type.
69 * Returns: the string describing the AtkStateType
72 atk_state_type_get_name (AtkStateType type)
74 GTypeClass *type_class;
76 const gchar *name = NULL;
78 type_class = g_type_class_ref (ATK_TYPE_STATE_TYPE);
79 g_return_val_if_fail (G_IS_ENUM_CLASS (type_class), NULL);
81 value = g_enum_get_value (G_ENUM_CLASS (type_class), type);
85 name = value->value_nick;
89 if (type <= last_type)
92 name = state_names[type];
96 g_type_class_unref (type_class);
102 * atk_state_type_for_name:
103 * @name: a character string state name
105 * Gets the #AtkStateType corresponding to the description string @name.
107 * Returns: an #AtkStateType corresponding to @name
110 atk_state_type_for_name (const gchar *name)
112 GTypeClass *type_class;
114 AtkStateType type = ATK_STATE_INVALID;
116 g_return_val_if_fail (name, ATK_STATE_INVALID);
118 type_class = g_type_class_ref (ATK_TYPE_STATE_TYPE);
119 g_return_val_if_fail (G_IS_ENUM_CLASS (type_class), ATK_STATE_INVALID);
121 value = g_enum_get_value_by_nick (G_ENUM_CLASS (type_class), name);
131 for (i = ATK_STATE_LAST_DEFINED + 1; i <= last_type; i++)
133 if (state_names[i] == NULL)
135 if (!strcmp(name, state_names[i]))