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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 "config.h"
#include "atk.h"
#include <string.h>
/**
* SECTION:atkstate
* @Short_description: An AtkState describes a single state of an object.
* @Title:AtkState
*
* An AtkState describes a single state of an object. The full set of states
* that apply to an object at a given time are contained in its #AtkStateSet.
* See also #atk_object_ref_state_set and #atk_object_notify_state_change.
*/
static guint last_type = ATK_STATE_LAST_DEFINED;
#define NUM_POSSIBLE_STATES (sizeof(AtkState)*8)
static gchar* state_names[NUM_POSSIBLE_STATES];
/**
* atk_state_type_register:
* @name: a character string describing the new state.
*
* Register a new object state.
*
* Returns: an #AtkState value for the new state.
**/
AtkStateType
atk_state_type_register (const gchar *name)
{
g_return_val_if_fail (name, ATK_STATE_INVALID);
if (last_type < NUM_POSSIBLE_STATES -1)
{
state_names[++last_type] = g_strdup (name);
return (last_type);
}
return ATK_STATE_INVALID; /* caller needs to check */
}
/**
* atk_state_type_get_name:
* @type: The #AtkStateType whose name is required
*
* Gets the description string describing the #AtkStateType @type.
*
* Returns: the string describing the AtkStateType
*/
const gchar*
atk_state_type_get_name (AtkStateType type)
{
GTypeClass *type_class;
GEnumValue *value;
const gchar *name = NULL;
type_class = g_type_class_ref (ATK_TYPE_STATE_TYPE);
g_return_val_if_fail (G_IS_ENUM_CLASS (type_class), NULL);
value = g_enum_get_value (G_ENUM_CLASS (type_class), type);
if (value)
{
name = value->value_nick;
}
else
{
if (type <= last_type)
{
if (type >= 0)
name = state_names[type];
}
}
g_type_class_unref (type_class);
return name;
}
/**
* atk_state_type_for_name:
* @name: a character string state name
*
* Gets the #AtkStateType corresponding to the description string @name.
*
* Returns: an #AtkStateType corresponding to @name
*/
AtkStateType
atk_state_type_for_name (const gchar *name)
{
GTypeClass *type_class;
GEnumValue *value;
AtkStateType type = ATK_STATE_INVALID;
g_return_val_if_fail (name, ATK_STATE_INVALID);
type_class = g_type_class_ref (ATK_TYPE_STATE_TYPE);
g_return_val_if_fail (G_IS_ENUM_CLASS (type_class), ATK_STATE_INVALID);
value = g_enum_get_value_by_nick (G_ENUM_CLASS (type_class), name);
if (value)
{
type = value->value;
}
else
{
gint i;
for (i = ATK_STATE_LAST_DEFINED + 1; i <= last_type; i++)
{
if (state_names[i] == NULL)
continue;
if (!strcmp(name, state_names[i]))
{
type = i;
break;
}
}
}
return type;
}
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