atk/atkstate.c

   1 /* ATK -  Accessibility Toolkit
   2  * Copyright 2001 Sun Microsystems Inc.
   3  *
   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.
   8  *
   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.
  13  *
  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.
  18  */
  19
  20 #include "atkstate.h"
  21
  22 #include <string.h>
  23
  24 static guint last_type = ATK_STATE_LAST_DEFINED;
  25
  26 #define NUM_POSSIBLE_STATES               (sizeof(AtkState)*8)
  27
  28 static gchar* state_names[NUM_POSSIBLE_STATES] = {
  29  "invalid",
  30  "active",
  31  "armed",
  32  "busy",
  33  "checked",
  34  "defunct",
  35  "editable",
  36  "enabled",
  37  "expandable",
  38  "expanded",
  39  "focusable",
  40  "focused",
  41  "horizontal",
  42  "iconified",
  43  "modal",
  44  "multi-line",
  45  "multiselectable",
  46  "opaque",
  47  "pressed",
  48  "resizeable",
  49  "selectable",
  50  "selected",
  51  "sensitive",
  52  "showing",
  53  "single-line",
  54  "stale",
  55  "transient",
  56  "vertical",
  57  "visible"
  58 };
  59
  60 /**
  61  * atk_state_type_register:
  62  * @name: a character string describing the new state.
  63  *
  64  * Register a new object state.
  65  *
  66  * Returns: an #AtkState value for the new state.
  67  **/
  68 AtkStateType
  69 atk_state_type_register (const gchar *name)
  70 {
  71   g_return_val_if_fail (name, ATK_STATE_INVALID);
  72
  73   if (last_type < NUM_POSSIBLE_STATES -1)
  74     {
  75       state_names[++last_type] = g_strdup (name);
  76       return (last_type);
  77     }
  78   return ATK_STATE_INVALID; /* caller needs to check */
  79 }
  80
  81 /**
  82  * atk_state_type_get_name:
  83  * @type: The #AtkStateType whose name is required
  84  *
  85  * Gets the description string describing the #AtkStateType @type.
  86  *
  87  * Returns: the string describing the AtkStateType
  88  */
  89 G_CONST_RETURN gchar*
  90 atk_state_type_get_name (AtkStateType type)
  91 {
  92   gint n;
  93
  94   if (type < last_type)
  95     {
  96       n = type;
  97       if (n >= 0)
  98         return state_names[n];
  99     }
 100
 101   return NULL;
 102 }
 103
 104 /**
 105  * atk_state_type_for_name:
 106  * @name: a character string state name
 107  *
 108  * Gets the #AtkStateType corresponding to the description string @name.
 109  *
 110  * Returns: an #AtkStateType corresponding to @name
 111  */
 112 AtkStateType
 113 atk_state_type_for_name (const gchar *name)
 114 {
 115   gint i;
 116
 117   g_return_val_if_fail (name != NULL, 0);
 118   g_return_val_if_fail (strlen (name) > 0, 0);
 119
 120   for (i = 0; i < last_type; i++)
 121     {
 122       if (state_names[i] == NULL)
 123         continue;
 124       if (!strcmp(name, state_names[i]))
 125         return i;
 126     }
 127   return 0;
 128 }