atk/atkobject.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 <string.h>
  21
  22 #include <glib-object.h>
  23
  24 #ifdef G_OS_WIN32
  25 #define STRICT
  26 #include <windows.h>
  27 #undef STRICT
  28 #undef FOCUS_EVENT              /* <windows.h> pollutes the namespace
  29                                  * like a six hundred pound gorilla */
  30 #endif
  31
  32 #include "atk.h"
  33 #include "atkmarshal.h"
  34 #include "atk-enum-types.h"
  35 #include "atkintl.h"
  36
  37 GPtrArray *extra_roles = NULL;
  38
  39 enum
  40 {
  41   PROP_0,  /* gobject convention */
  42
  43   PROP_NAME,
  44   PROP_DESCRIPTION,
  45   PROP_PARENT,      /* ancestry has changed */
  46   PROP_VALUE,
  47   PROP_ROLE,
  48   PROP_LAYER,
  49   PROP_MDI_ZORDER,
  50   PROP_TABLE_CAPTION,
  51   PROP_TABLE_COLUMN_DESCRIPTION,
  52   PROP_TABLE_COLUMN_HEADER,
  53   PROP_TABLE_ROW_DESCRIPTION,
  54   PROP_TABLE_ROW_HEADER,
  55   PROP_TABLE_SUMMARY,
  56   PROP_TABLE_CAPTION_OBJECT,
  57   PROP_LAST         /* gobject convention */
  58 };
  59
  60 enum {
  61   CHILDREN_CHANGED,
  62   FOCUS_EVENT,
  63   PROPERTY_CHANGE,
  64   STATE_CHANGE,
  65   VISIBLE_DATA_CHANGED,
  66   ACTIVE_DESCENDANT_CHANGED,
  67
  68   LAST_SIGNAL
  69 };
  70
  71 static void            atk_object_class_init        (AtkObjectClass  *klass);
  72 static void            atk_object_init              (AtkObject       *accessible,
  73                                                      AtkObjectClass  *klass);
  74 static AtkRelationSet* atk_object_real_ref_relation_set
  75                                                     (AtkObject       *accessible);
  76 static void            atk_object_real_initialize   (AtkObject       *accessible,
  77                                                      gpointer        data);
  78 static void            atk_object_real_set_property (GObject         *object,
  79                                                      guint            prop_id,
  80                                                      const GValue    *value,
  81                                                      GParamSpec      *pspec);
  82 static void            atk_object_real_get_property (GObject         *object,
  83                                                      guint            prop_id,
  84                                                      GValue          *value,
  85                                                      GParamSpec      *pspec);
  86 static void            atk_object_finalize          (GObject         *object);
  87 static G_CONST_RETURN gchar*
  88                        atk_object_real_get_name     (AtkObject       *object);
  89 static G_CONST_RETURN gchar*
  90                        atk_object_real_get_description
  91                                                    (AtkObject       *object);
  92 static AtkObject*      atk_object_real_get_parent  (AtkObject       *object);
  93 static AtkRole         atk_object_real_get_role    (AtkObject       *object);
  94 static AtkLayer        atk_object_real_get_layer   (AtkObject       *object);
  95 static AtkStateSet*    atk_object_real_ref_state_set
  96                                                    (AtkObject       *object);
  97 static void            atk_object_real_set_name    (AtkObject       *object,
  98                                                     const gchar     *name);
  99 static void            atk_object_real_set_description
 100                                                    (AtkObject       *object,
 101                                                     const gchar     *description);
 102 static void            atk_object_real_set_parent  (AtkObject       *object,
 103                                                     AtkObject       *parent);
 104 static void            atk_object_real_set_role    (AtkObject       *object,
 105                                                     AtkRole         role);
 106 static guint           atk_object_real_connect_property_change_handler
 107                                                    (AtkObject       *obj,
 108                                                     AtkPropertyChangeHandler
 109                                                                     *handler);
 110 static void            atk_object_real_remove_property_change_handler
 111                                                    (AtkObject       *obj,
 112                                                     guint           handler_id);
 113 static void            atk_object_notify           (GObject         *obj,
 114                                                     GParamSpec      *pspec);
 115
 116
 117 static guint atk_object_signals[LAST_SIGNAL] = { 0, };
 118
 119 static gpointer parent_class = NULL;
 120
 121 static const gchar* atk_object_name_property_name = "accessible-name";
 122 static const gchar* atk_object_name_property_description = "accessible-description";
 123 static const gchar* atk_object_name_property_parent = "accessible-parent";
 124 static const gchar* atk_object_name_property_value = "accessible-value";
 125 static const gchar* atk_object_name_property_role = "accessible-role";
 126 static const gchar* atk_object_name_property_component_layer = "accessible-component-layer";
 127 static const gchar* atk_object_name_property_component_mdi_zorder = "accessible-component-mdi-zorder";
 128 static const gchar* atk_object_name_property_table_caption = "accessible-table-caption";
 129 static const gchar* atk_object_name_property_table_column_description = "accessible-table-column-description";
 130 static const gchar* atk_object_name_property_table_column_header = "accessible-table-column-header";
 131 static const gchar* atk_object_name_property_table_row_description = "accessible-table-row-description";
 132 static const gchar* atk_object_name_property_table_row_header = "accessible-table-row-header";
 133 static const gchar* atk_object_name_property_table_summary = "accessible-table-summary";
 134 static const gchar* atk_object_name_property_table_caption_object = "accessible-table-caption-object";
 135
 136 GType
 137 atk_object_get_type (void)
 138 {
 139   static GType type = 0;
 140
 141   if (!type)
 142     {
 143       static const GTypeInfo typeInfo =
 144       {
 145         sizeof (AtkObjectClass),
 146         (GBaseInitFunc) NULL,
 147         (GBaseFinalizeFunc) NULL,
 148         (GClassInitFunc) atk_object_class_init,
 149         (GClassFinalizeFunc) NULL,
 150         NULL,
 151         sizeof (AtkObject),
 152         0,
 153         (GInstanceInitFunc) atk_object_init,
 154       } ;
 155       type = g_type_register_static (G_TYPE_OBJECT, "AtkObject", &typeInfo, 0) ;
 156     }
 157   return type;
 158 }
 159
 160 static void
 161 atk_object_class_init (AtkObjectClass *klass)
 162 {
 163   GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
 164
 165   parent_class = g_type_class_peek_parent (klass);
 166
 167   gobject_class->set_property = atk_object_real_set_property;
 168   gobject_class->get_property = atk_object_real_get_property;
 169   gobject_class->finalize = atk_object_finalize;
 170   gobject_class->notify = atk_object_notify;
 171
 172   klass->get_name = atk_object_real_get_name;
 173   klass->get_description = atk_object_real_get_description;
 174   klass->get_parent = atk_object_real_get_parent;
 175   klass->get_n_children = NULL;
 176   klass->ref_child = NULL;
 177   klass->get_index_in_parent = NULL;
 178   klass->ref_relation_set = atk_object_real_ref_relation_set;
 179   klass->get_role = atk_object_real_get_role;
 180   klass->get_layer = atk_object_real_get_layer;
 181   klass->get_mdi_zorder = NULL;
 182   klass->initialize = atk_object_real_initialize;
 183   klass->ref_state_set = atk_object_real_ref_state_set;
 184   klass->set_name = atk_object_real_set_name;
 185   klass->set_description = atk_object_real_set_description;
 186   klass->set_parent = atk_object_real_set_parent;
 187   klass->set_role = atk_object_real_set_role;
 188   klass->connect_property_change_handler =
 189          atk_object_real_connect_property_change_handler;
 190   klass->remove_property_change_handler =
 191          atk_object_real_remove_property_change_handler;
 192
 193   /*
 194    * We do not define default signal handlers here
 195    */
 196   klass->children_changed = NULL;
 197   klass->focus_event = NULL;
 198   klass->property_change = NULL;
 199   klass->visible_data_changed = NULL;
 200   klass->active_descendant_changed = NULL;
 201
 202   g_object_class_install_property (gobject_class,
 203                                    PROP_NAME,
 204                                    g_param_spec_string (atk_object_name_property_name,
 205                                                         "Accessible Name",
 206                                                         "Object instance\'s name formatted for "
 207                                                            "assistive technology access",
 208                                                         NULL,
 209                                                         G_PARAM_READWRITE));
 210   g_object_class_install_property (gobject_class,
 211                                    PROP_DESCRIPTION,
 212                                    g_param_spec_string (atk_object_name_property_description,
 213                                                         "Accessible Description",
 214                                                         "Description of an object, formatted for "
 215                                                         "assistive technology access",
 216                                                         NULL,
 217                                                         G_PARAM_READWRITE));
 218   g_object_class_install_property (gobject_class,
 219                                    PROP_PARENT,
 220                                    g_param_spec_object (atk_object_name_property_parent,
 221                                                         "Accessible Parent",
 222                                                         "Is used to notify that the parent has changed ",
 223                                                         ATK_TYPE_OBJECT,
 224                                                         G_PARAM_READWRITE));
 225   g_object_class_install_property (gobject_class,
 226                                    PROP_VALUE,
 227                                    g_param_spec_double (atk_object_name_property_value,
 228                                                         "Accessible Value",
 229                                                         "Is used to notify that the value has changed ",
 230                                                         0.0,
 231                                                         G_MAXDOUBLE,
 232                                                         0.0,
 233                                                         G_PARAM_READWRITE));
 234   g_object_class_install_property (gobject_class,
 235                                    PROP_ROLE,
 236                                    g_param_spec_int    (atk_object_name_property_role,
 237                                                         "Accessible Role",
 238                                                         "The accessible role of this object ",
 239                                                         0,
 240                                                         G_MAXINT,
 241                                                         0,
 242                                                         G_PARAM_READWRITE));
 243   g_object_class_install_property (gobject_class,
 244                                    PROP_LAYER,
 245                                    g_param_spec_int    (atk_object_name_property_component_layer,
 246                                                         "Accessible Layer",
 247                                                         "The accessible layer of this object ",
 248                                                         0,
 249                                                         G_MAXINT,
 250                                                         0,
 251                                                         G_PARAM_READABLE));
 252   g_object_class_install_property (gobject_class,
 253                                    PROP_MDI_ZORDER,
 254                                    g_param_spec_int    (atk_object_name_property_component_mdi_zorder,
 255                                                         "Accessible MDI Value",
 256                                                         "The accessible MDI value of this object ",
 257                                                         G_MININT,
 258                                                         G_MAXINT,
 259                                                         G_MININT,
 260                                                         G_PARAM_READABLE));
 261   g_object_class_install_property (gobject_class,
 262                                    PROP_TABLE_CAPTION,
 263                                    g_param_spec_string (atk_object_name_property_table_caption,
 264                                                         "Accessible Table Caption",
 265                                                         "Is used to notify that the table caption has changed; this property should not be used. accessible-table-caption-object should be used instead",
 266                                                         NULL,
 267                                                         G_PARAM_READWRITE));
 268   g_object_class_install_property (gobject_class,
 269                                    PROP_TABLE_COLUMN_HEADER,
 270                                    g_param_spec_object (atk_object_name_property_table_column_header,
 271                                                         "Accessible Table Column Header",
 272                                                         "Is used to notify that the table column header has changed ",
 273                                                         ATK_TYPE_OBJECT,
 274                                                         G_PARAM_READWRITE));
 275   g_object_class_install_property (gobject_class,
 276                                    PROP_TABLE_COLUMN_DESCRIPTION,
 277                                    g_param_spec_string (atk_object_name_property_table_column_description,
 278                                                         "Accessible Table Column Description",
 279                                                         "Is used to notify that the table columnscription has changed ",
 280                                                         NULL,
 281                                                         G_PARAM_READWRITE));
 282   g_object_class_install_property (gobject_class,
 283                                    PROP_TABLE_ROW_HEADER,
 284                                    g_param_spec_object (atk_object_name_property_table_row_header,
 285                                                         "Accessible Table Row Header",
 286                                                         "Is used to notify that the table row header has changed ",
 287                                                         ATK_TYPE_OBJECT,
 288                                                         G_PARAM_READWRITE));
 289   g_object_class_install_property (gobject_class,
 290                                    PROP_TABLE_ROW_DESCRIPTION,
 291                                    g_param_spec_string (atk_object_name_property_table_row_description,
 292                                                         "Accessible Table Row Description",
 293                                                         "Is used to notify that the table row description has changed ",
 294                                                         NULL,
 295                                                         G_PARAM_READWRITE));
 296   g_object_class_install_property (gobject_class,
 297                                    PROP_TABLE_SUMMARY,
 298                                    g_param_spec_object (atk_object_name_property_table_summary,
 299                                                         "Accessible Table Summary",
 300                                                         "Is used to notify that the table summary has changed ",
 301                                                         ATK_TYPE_OBJECT,
 302                                                         G_PARAM_READWRITE));
 303   g_object_class_install_property (gobject_class,
 304                                    PROP_TABLE_CAPTION_OBJECT,
 305                                    g_param_spec_object (atk_object_name_property_table_caption_object,
 306                                                         "Accessible Table Caption Object",
 307                                                         "Is used to notify that the table caption has changed ",
 308                                                         ATK_TYPE_OBJECT,
 309                                                         G_PARAM_READWRITE));
 310   /*
 311    * The signal "children_changed" supports two details:
 312    * "add" and "remove"
 313    */
 314   atk_object_signals[CHILDREN_CHANGED] =
 315     g_signal_new ("children_changed",
 316                   G_TYPE_FROM_CLASS (klass),
 317                   G_SIGNAL_RUN_LAST | G_SIGNAL_DETAILED,
 318                   G_STRUCT_OFFSET (AtkObjectClass, children_changed),
 319                   NULL, NULL,
 320                   g_cclosure_marshal_VOID__UINT_POINTER,
 321                   G_TYPE_NONE,
 322                   2, G_TYPE_UINT, G_TYPE_POINTER);
 323   atk_object_signals[FOCUS_EVENT] =
 324     g_signal_new ("focus_event",
 325                   G_TYPE_FROM_CLASS (klass),
 326                   G_SIGNAL_RUN_LAST,
 327                   G_STRUCT_OFFSET (AtkObjectClass, focus_event),
 328                   NULL, NULL,
 329                   g_cclosure_marshal_VOID__BOOLEAN,
 330                   G_TYPE_NONE,
 331                   1, G_TYPE_BOOLEAN);
 332   atk_object_signals[PROPERTY_CHANGE] =
 333     g_signal_new ("property_change",
 334                   G_TYPE_FROM_CLASS (klass),
 335                   G_SIGNAL_RUN_LAST | G_SIGNAL_DETAILED,
 336                   G_STRUCT_OFFSET (AtkObjectClass, property_change),
 337                   (GSignalAccumulator) NULL, NULL,
 338                   g_cclosure_marshal_VOID__POINTER,
 339                   G_TYPE_NONE, 1,
 340                   G_TYPE_POINTER);
 341   /*
 342    * The "state_change" signal supports details, one for each accessible
 343    * state type
 344    * (see atkstate.c).
 345    */
 346   atk_object_signals[STATE_CHANGE] =
 347     g_signal_new ("state_change",
 348                   G_TYPE_FROM_CLASS (klass),
 349                   G_SIGNAL_RUN_LAST | G_SIGNAL_DETAILED,
 350                   G_STRUCT_OFFSET (AtkObjectClass, state_change),
 351                   (GSignalAccumulator) NULL, NULL,
 352                   atk_marshal_VOID__STRING_BOOLEAN,
 353                   G_TYPE_NONE, 2,
 354                   G_TYPE_STRING,
 355                   G_TYPE_BOOLEAN);
 356   atk_object_signals[VISIBLE_DATA_CHANGED] =
 357     g_signal_new ("visible_data_changed",
 358                   G_TYPE_FROM_CLASS (klass),
 359                   G_SIGNAL_RUN_LAST,
 360                   G_STRUCT_OFFSET (AtkObjectClass, visible_data_changed),
 361                   (GSignalAccumulator) NULL, NULL,
 362                   g_cclosure_marshal_VOID__VOID,
 363                   G_TYPE_NONE, 0);
 364   atk_object_signals[ACTIVE_DESCENDANT_CHANGED] =
 365     g_signal_new ("active_descendant_changed",
 366                   G_TYPE_FROM_CLASS (klass),
 367                   G_SIGNAL_RUN_LAST | G_SIGNAL_DETAILED,
 368                   G_STRUCT_OFFSET (AtkObjectClass, active_descendant_changed),
 369                   NULL, NULL,
 370                   g_cclosure_marshal_VOID__POINTER,
 371                   G_TYPE_NONE,
 372                   1, G_TYPE_POINTER);
 373 }
 374
 375 static void
 376 atk_object_init  (AtkObject        *accessible,
 377                   AtkObjectClass   *klass)
 378 {
 379   accessible->name = NULL;
 380   accessible->description = NULL;
 381   accessible->accessible_parent = NULL;
 382   accessible->relation_set = atk_relation_set_new();
 383   accessible->role = ATK_ROLE_UNKNOWN;
 384 }
 385
 386 GType
 387 atk_implementor_get_type (void)
 388 {
 389   static GType type = 0;
 390
 391   if (!type)
 392     {
 393       static const GTypeInfo typeInfo =
 394       {
 395         sizeof (AtkImplementorIface),
 396         (GBaseInitFunc) NULL,
 397         (GBaseFinalizeFunc) NULL,
 398       } ;
 399
 400       type = g_type_register_static (G_TYPE_INTERFACE, "AtkImplementorIface", &typeInfo, 0) ;
 401     }
 402
 403   return type;
 404 }
 405
 406 /**
 407  * atk_object_get_name:
 408  * @accessible: an #AtkObject
 409  *
 410  * Gets the accessible name of the accessible.
 411  *
 412  * Returns: a character string representing the accessible name of the object.
 413  **/
 414 G_CONST_RETURN gchar*
 415 atk_object_get_name (AtkObject *accessible)
 416 {
 417   AtkObjectClass *klass;
 418
 419   g_return_val_if_fail (ATK_IS_OBJECT (accessible), NULL);
 420
 421   klass = ATK_OBJECT_GET_CLASS (accessible);
 422   if (klass->get_name)
 423     return (klass->get_name) (accessible);
 424   else
 425     return NULL;
 426 }
 427
 428 /**
 429  * atk_object_get_description:
 430  * @accessible: an #AtkObject
 431  *
 432  * Gets the accessible description of the accessible.
 433  *
 434  * Returns: a character string representing the accessible description
 435  * of the accessible.
 436  *
 437  **/
 438 G_CONST_RETURN gchar*
 439 atk_object_get_description (AtkObject *accessible)
 440 {
 441   AtkObjectClass *klass;
 442
 443   g_return_val_if_fail (ATK_IS_OBJECT (accessible), NULL);
 444
 445   klass = ATK_OBJECT_GET_CLASS (accessible);
 446   if (klass->get_description)
 447     return (klass->get_description) (accessible);
 448   else
 449     return NULL;
 450 }
 451
 452 /**
 453  * atk_object_get_parent:
 454  * @accessible: an #AtkObject
 455  *
 456  * Gets the accessible parent of the accessible.
 457  *
 458  * Returns: a #AtkObject representing the accessible parent of the accessible
 459  **/
 460 AtkObject*
 461 atk_object_get_parent (AtkObject *accessible)
 462 {
 463   AtkObjectClass *klass;
 464
 465   g_return_val_if_fail (ATK_IS_OBJECT (accessible), NULL);
 466
 467   klass = ATK_OBJECT_GET_CLASS (accessible);
 468   if (klass->get_parent)
 469     return (klass->get_parent) (accessible);
 470   else
 471     return NULL;
 472 }
 473
 474 /**
 475  * atk_object_get_n_accessible_children:
 476  * @accessible: an #AtkObject
 477  *
 478  * Gets the number of accessible children of the accessible.
 479  *
 480  * Returns: an integer representing the number of accessible children
 481  * of the accessible.
 482  **/
 483 gint
 484 atk_object_get_n_accessible_children (AtkObject *accessible)
 485 {
 486   AtkObjectClass *klass;
 487
 488   g_return_val_if_fail (ATK_IS_OBJECT (accessible), 0);
 489
 490   klass = ATK_OBJECT_GET_CLASS (accessible);
 491   if (klass->get_n_children)
 492     return (klass->get_n_children) (accessible);
 493   else
 494     return 0;
 495 }
 496
 497 /**
 498  * atk_object_ref_accessible_child:
 499  * @accessible: an #AtkObject
 500  * @i: a gint representing the position of the child, starting from 0
 501  *
 502  * Gets a reference to the specified accessible child of the object.
 503  * The accessible children are 0-based so the first accessible child is
 504  * at index 0, the second at index 1 and so on.
 505  *
 506  * Returns: an #AtkObject representing the specified accessible child
 507  * of the accessible.
 508  **/
 509 AtkObject*
 510 atk_object_ref_accessible_child (AtkObject   *accessible,
 511                                  gint        i)
 512 {
 513   AtkObjectClass *klass;
 514
 515   g_return_val_if_fail (ATK_IS_OBJECT (accessible), NULL);
 516
 517   klass = ATK_OBJECT_GET_CLASS (accessible);
 518   if (klass->ref_child)
 519     return (klass->ref_child) (accessible, i);
 520   else
 521     return NULL;
 522 }
 523
 524 /**
 525  * atk_object_ref_relation_set:
 526  * @accessible: an #AtkObject
 527  *
 528  * Gets the #AtkRelationSet associated with the object.
 529  *
 530  * Returns: an #AtkRelationSet representing the relation set of the object.
 531  **/
 532 AtkRelationSet*
 533 atk_object_ref_relation_set (AtkObject *accessible)
 534 {
 535   AtkObjectClass *klass;
 536
 537   g_return_val_if_fail (ATK_IS_OBJECT (accessible), NULL);
 538
 539   klass = ATK_OBJECT_GET_CLASS (accessible);
 540   if (klass->ref_relation_set)
 541     return (klass->ref_relation_set) (accessible);
 542   else
 543     return NULL;
 544 }
 545
 546 /**
 547  * atk_role_register:
 548  * @name: a character string describing the new role.
 549  *
 550  * Registers the role specified by @name.
 551  *
 552  * Returns: an #AtkRole for the new role.
 553  **/
 554 AtkRole
 555 atk_role_register (const gchar *name)
 556 {
 557   if (!extra_roles)
 558     extra_roles = g_ptr_array_new ();
 559
 560   g_ptr_array_add (extra_roles, g_strdup (name));
 561   return extra_roles->len + ATK_ROLE_LAST_DEFINED;
 562 }
 563
 564 /**
 565  * atk_object_get_role:
 566  * @accessible: an #AtkObject
 567  *
 568  * Gets the role of the accessible.
 569  *
 570  * Returns: an #AtkRole which is the role of the accessible
 571  **/
 572 AtkRole
 573 atk_object_get_role (AtkObject *accessible)
 574 {
 575   AtkObjectClass *klass;
 576
 577   g_return_val_if_fail (ATK_IS_OBJECT (accessible), ATK_ROLE_UNKNOWN);
 578
 579   klass = ATK_OBJECT_GET_CLASS (accessible);
 580   if (klass->get_role)
 581     return (klass->get_role) (accessible);
 582   else
 583     return ATK_ROLE_UNKNOWN;
 584 }
 585
 586 /**
 587  * atk_object_get_layer:
 588  * @accessible: an #AtkObject
 589  *
 590  * Gets the layer of the accessible.
 591  * DEPRECATED: use atk_component_get_layer instead!
 592  *
 593  * Returns: an #AtkLayer which is the layer of the accessible
 594  **/
 595 AtkLayer
 596 atk_object_get_layer (AtkObject *accessible)
 597 {
 598   AtkObjectClass *klass;
 599
 600   g_return_val_if_fail (ATK_IS_OBJECT (accessible), ATK_LAYER_INVALID);
 601
 602   klass = ATK_OBJECT_GET_CLASS (accessible);
 603   if (klass->get_layer)
 604     return (klass->get_layer) (accessible);
 605   else
 606     return ATK_LAYER_INVALID;
 607 }
 608
 609 /**
 610  * atk_object_get_mdi_zorder:
 611  * @accessible: an #AtkObject
 612  *
 613  * Gets the zorder of the accessible. The value G_MININT will be returned
 614  * if the layer of the accessible is not ATK_LAYER_MDI.
 615  * DEPRECATED: use atk_component_get_mdi_zorder instead!
 616  *
 617  * Returns: a gint which is the zorder of the accessible, i.e. the depth at
 618  * which the component is shown in relation to other components in the same
 619  * container.
 620  **/
 621 gint
 622 atk_object_get_mdi_zorder (AtkObject *accessible)
 623 {
 624   AtkObjectClass *klass;
 625
 626   g_return_val_if_fail (ATK_IS_OBJECT (accessible), G_MININT);
 627
 628   klass = ATK_OBJECT_GET_CLASS (accessible);
 629   if (klass->get_mdi_zorder)
 630     return (klass->get_mdi_zorder) (accessible);
 631   else
 632     return G_MININT;
 633 }
 634
 635 /**
 636  * atk_object_ref_state_set:
 637  * @accessible: an #AtkObject
 638  *
 639  * Gets a reference to the state set of the accessible; the caller must
 640  * unreference it when it is no longer needed.
 641  *
 642  * Returns: a reference to an #AtkStateSet which is the state
 643  * set of the accessible
 644  **/
 645 AtkStateSet*
 646 atk_object_ref_state_set (AtkObject *accessible)
 647 {
 648   AtkObjectClass *klass;
 649
 650   g_return_val_if_fail (ATK_IS_OBJECT (accessible), NULL);
 651
 652   klass = ATK_OBJECT_GET_CLASS (accessible);
 653   if (klass->ref_state_set)
 654     return (klass->ref_state_set) (accessible);
 655   else
 656     return NULL;
 657 }
 658
 659 /**
 660  * atk_object_get_index_in_parent:
 661  * @accessible: an #AtkObject
 662  *
 663  * Gets the 0-based index of this accessible in its parent; returns -1 if the
 664  * accessible does not have an accessible parent.
 665  *
 666  * Returns: an integer which is the index of the accessible in its parent
 667  **/
 668 gint
 669 atk_object_get_index_in_parent (AtkObject *accessible)
 670 {
 671   AtkObjectClass *klass;
 672
 673   g_return_val_if_fail (ATK_OBJECT (accessible), -1);
 674
 675   klass = ATK_OBJECT_GET_CLASS (accessible);
 676   if (klass->get_index_in_parent)
 677     return (klass->get_index_in_parent) (accessible);
 678   else
 679     return -1;
 680 }
 681
 682 /**
 683  * atk_object_set_name:
 684  * @accessible: an #AtkObject
 685  * @name: a character string to be set as the accessible name
 686  *
 687  * Sets the accessible name of the accessible.
 688  **/
 689 void
 690 atk_object_set_name (AtkObject    *accessible,
 691                      const gchar  *name)
 692 {
 693   AtkObjectClass *klass;
 694
 695   g_return_if_fail (ATK_IS_OBJECT (accessible));
 696   g_return_if_fail (name != NULL);
 697
 698   klass = ATK_OBJECT_GET_CLASS (accessible);
 699   if (klass->set_name)
 700     {
 701       (klass->set_name) (accessible, name);
 702       g_object_notify (G_OBJECT (accessible), atk_object_name_property_name);
 703     }
 704 }
 705
 706 /**
 707  * atk_object_set_description:
 708  * @accessible: an #AtkObject
 709  * @description : a character string to be set as the accessible description
 710  *
 711  * Sets the accessible description of the accessible.
 712  **/
 713 void
 714 atk_object_set_description (AtkObject   *accessible,
 715                             const gchar *description)
 716 {
 717   AtkObjectClass *klass;
 718
 719   g_return_if_fail (ATK_IS_OBJECT (accessible));
 720   g_return_if_fail (description != NULL);
 721
 722   klass = ATK_OBJECT_GET_CLASS (accessible);
 723   if (klass->set_description)
 724     {
 725       (klass->set_description) (accessible, description);
 726       g_object_notify (G_OBJECT (accessible), atk_object_name_property_description);
 727     }
 728 }
 729
 730 /**
 731  * atk_object_set_parent:
 732  * @accessible: an #AtkObject
 733  * @parent : an #AtkObject to be set as the accessible parent
 734  *
 735  * Sets the accessible parent of the accessible.
 736  **/
 737 void
 738 atk_object_set_parent (AtkObject *accessible,
 739                        AtkObject *parent)
 740 {
 741   AtkObjectClass *klass;
 742
 743   g_return_if_fail (ATK_IS_OBJECT (accessible));
 744
 745   klass = ATK_OBJECT_GET_CLASS (accessible);
 746   if (klass->set_parent)
 747     {
 748       (klass->set_parent) (accessible, parent);
 749       g_object_notify (G_OBJECT (accessible), atk_object_name_property_parent);
 750     }
 751 }
 752
 753 /**
 754  * atk_object_set_role:
 755  * @accessible: an #AtkObject
 756  * @role : an #AtkRole to be set as the role
 757  *
 758  * Sets the role of the accessible.
 759  **/
 760 void
 761 atk_object_set_role (AtkObject *accessible,
 762                      AtkRole   role)
 763 {
 764   AtkObjectClass *klass;
 765
 766   g_return_if_fail (ATK_IS_OBJECT (accessible));
 767
 768   klass = ATK_OBJECT_GET_CLASS (accessible);
 769   if (klass->set_role)
 770     {
 771       (klass->set_role) (accessible, role);
 772       g_object_notify (G_OBJECT (accessible), atk_object_name_property_role);
 773     }
 774 }
 775
 776 /**
 777  * atk_object_connect_property_change_handler:
 778  * @accessible: an #AtkObject
 779  * @handler : a function to be called when a property changes its value
 780  *
 781  * Specifies a function to be called when a property changes value.
 782  *
 783  * Returns: a #guint which is the handler id used in
 784  * atk_object_remove_property_change_handler()
 785  **/
 786 guint
 787 atk_object_connect_property_change_handler (AtkObject *accessible,
 788                                             AtkPropertyChangeHandler *handler)
 789 {
 790   AtkObjectClass *klass;
 791
 792   g_return_val_if_fail (ATK_IS_OBJECT (accessible), 0);
 793   g_return_val_if_fail ((handler != NULL), 0);
 794
 795   klass = ATK_OBJECT_GET_CLASS (accessible);
 796   if (klass->connect_property_change_handler)
 797     return (klass->connect_property_change_handler) (accessible, handler);
 798   else
 799     return 0;
 800 }
 801
 802 /**
 803  * atk_object_remove_property_change_handler:
 804  * @accessible: an #AtkObject
 805  * @handler_id : a guint which identifies the handler to be removed.
 806  *
 807  * Removes a property change handler.
 808  **/
 809 void
 810 atk_object_remove_property_change_handler  (AtkObject *accessible,
 811                                             guint      handler_id)
 812 {
 813   AtkObjectClass *klass;
 814
 815   g_return_if_fail (ATK_IS_OBJECT (accessible));
 816
 817   klass = ATK_OBJECT_GET_CLASS (accessible);
 818   if (klass->remove_property_change_handler)
 819     (klass->remove_property_change_handler) (accessible, handler_id);
 820 }
 821
 822 /**
 823  * atk_object_notify_state_change:
 824  * @accessible: an #AtkObject
 825  * @state: an #AtkState whose state is changed
 826  * @value : a gboolean which indicates whether the state is being set on or off
 827  *
 828  * Emits a state-change signal for the specified state.
 829  **/
 830 void
 831 atk_object_notify_state_change (AtkObject *accessible,
 832                                 AtkState  state,
 833                                 gboolean  value)
 834 {
 835   G_CONST_RETURN gchar* name;
 836
 837   name = atk_state_type_get_name (state);
 838   g_signal_emit (accessible, atk_object_signals[STATE_CHANGE],
 839                  g_quark_from_string (name),
 840                  name, value, NULL);
 841 }
 842
 843 /**
 844  * atk_implementor_ref_accessible:
 845  * @implementor: The #GObject instance which should implement #AtkImplementorIface
 846  * if a non-null return value is required.
 847  *
 848  * Gets a reference to an object's #AtkObject implementation, if
 849  * the object implements #AtkObjectIface
 850  *
 851  * Returns: a reference to an object's #AtkObject implementation
 852  */
 853 AtkObject *
 854 atk_implementor_ref_accessible (AtkImplementor *object)
 855 {
 856   AtkImplementorIface *iface;
 857   AtkObject           *accessible = NULL;
 858
 859   g_return_val_if_fail (ATK_IS_IMPLEMENTOR (object), NULL);
 860
 861   iface = ATK_IMPLEMENTOR_GET_IFACE (object);
 862
 863   if (iface != NULL)
 864     accessible =  iface->ref_accessible (object);
 865
 866   g_return_val_if_fail ((accessible != NULL), NULL);
 867
 868   return accessible;
 869 }
 870
 871 static AtkRelationSet*
 872 atk_object_real_ref_relation_set (AtkObject *accessible)
 873 {
 874   g_return_val_if_fail (accessible->relation_set, NULL);
 875   g_object_ref (accessible->relation_set);
 876
 877   return accessible->relation_set;
 878 }
 879
 880 static void
 881 atk_object_real_set_property (GObject      *object,
 882                               guint         prop_id,
 883                               const GValue *value,
 884                               GParamSpec   *pspec)
 885 {
 886   AtkObject *accessible;
 887
 888   accessible = ATK_OBJECT (object);
 889
 890   switch (prop_id)
 891     {
 892     case PROP_NAME:
 893       atk_object_set_name (accessible, g_value_get_string (value));
 894       break;
 895     case PROP_DESCRIPTION:
 896       atk_object_set_description (accessible, g_value_get_string (value));
 897       break;
 898     case PROP_ROLE:
 899       atk_object_set_role (accessible, g_value_get_int (value));
 900       break;
 901     case PROP_PARENT:
 902       atk_object_set_parent (accessible, g_value_get_object (value));
 903       break;
 904     case PROP_VALUE:
 905       if (ATK_IS_VALUE (accessible))
 906         atk_value_set_current_value (ATK_VALUE (accessible), value);
 907       break;
 908     case PROP_TABLE_SUMMARY:
 909       if (ATK_IS_TABLE (accessible))
 910         atk_table_set_summary (ATK_TABLE (accessible), g_value_get_object (value));
 911       break;
 912     case PROP_TABLE_CAPTION_OBJECT:
 913       if (ATK_IS_TABLE (accessible))
 914         atk_table_set_caption (ATK_TABLE (accessible), g_value_get_object (value));
 915       break;
 916     default:
 917       break;
 918     }
 919 }
 920
 921 static void
 922 atk_object_real_get_property (GObject      *object,
 923                               guint         prop_id,
 924                               GValue       *value,
 925                               GParamSpec   *pspec)
 926 {
 927   AtkObject *accessible;
 928
 929   accessible = ATK_OBJECT (object);
 930
 931   switch (prop_id)
 932     {
 933     case PROP_NAME:
 934       g_value_set_string (value, atk_object_get_name (accessible));
 935       break;
 936     case PROP_DESCRIPTION:
 937       g_value_set_string (value, atk_object_get_description (accessible));
 938       break;
 939     case PROP_ROLE:
 940       g_value_set_int (value, atk_object_get_role (accessible));
 941       break;
 942     case PROP_LAYER:
 943       if (ATK_IS_COMPONENT (accessible))
 944         g_value_set_int (value, atk_component_get_layer (ATK_COMPONENT (accessible)));
 945       break;
 946     case PROP_MDI_ZORDER:
 947       if (ATK_IS_COMPONENT (accessible))
 948         g_value_set_int (value, atk_component_get_mdi_zorder (ATK_COMPONENT (accessible)));
 949       break;
 950     case PROP_PARENT:
 951       g_value_set_object (value, atk_object_get_parent (accessible));
 952       break;
 953     case PROP_VALUE:
 954       if (ATK_IS_VALUE (accessible))
 955         atk_value_get_current_value (ATK_VALUE (accessible), value);
 956       break;
 957     case PROP_TABLE_SUMMARY:
 958       if (ATK_IS_TABLE (accessible))
 959         g_value_set_object (value, atk_table_get_summary (ATK_TABLE (accessible)));
 960       break;
 961     case PROP_TABLE_CAPTION_OBJECT:
 962       if (ATK_IS_TABLE (accessible))
 963         g_value_set_object (value, atk_table_get_caption (ATK_TABLE (accessible)));
 964       break;
 965     default:
 966       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 967       break;
 968     }
 969 }
 970
 971 static void
 972 atk_object_finalize (GObject *object)
 973 {
 974   AtkObject        *accessible;
 975
 976   g_return_if_fail (ATK_IS_OBJECT (object));
 977
 978   accessible = ATK_OBJECT (object);
 979
 980   g_free (accessible->name);
 981   g_free (accessible->description);
 982
 983   /*
 984    * Free memory allocated for relation set if it have been allocated.
 985    */
 986   if (accessible->relation_set)
 987     g_object_unref (accessible->relation_set);
 988
 989   if (accessible->accessible_parent)
 990     g_object_unref (accessible->accessible_parent);
 991
 992   G_OBJECT_CLASS (parent_class)->finalize (object);
 993 }
 994
 995 static G_CONST_RETURN gchar*
 996 atk_object_real_get_name (AtkObject *object)
 997 {
 998   return object->name;
 999 }
1000
1001 static G_CONST_RETURN gchar*
1002 atk_object_real_get_description (AtkObject *object)
1003 {
1004   return object->description;
1005 }
1006
1007 static AtkObject*
1008 atk_object_real_get_parent (AtkObject       *object)
1009 {
1010   return object->accessible_parent;
1011 }
1012
1013 static AtkRole
1014 atk_object_real_get_role (AtkObject       *object)
1015 {
1016   return object->role;
1017 }
1018
1019 static AtkLayer
1020 atk_object_real_get_layer (AtkObject       *object)
1021 {
1022   return object->layer;
1023 }
1024
1025 static AtkStateSet*
1026 atk_object_real_ref_state_set (AtkObject *accessible)
1027 {
1028   AtkStateSet *state_set;
1029   AtkObject *ap;
1030
1031   state_set = atk_state_set_new ();
1032
1033   ap = atk_object_get_parent (accessible);
1034   if (ap)
1035     if (ATK_IS_SELECTION (ap))
1036       {
1037         int i;
1038
1039         atk_state_set_add_state (state_set, ATK_STATE_SELECTABLE);
1040
1041         i = atk_object_get_index_in_parent (accessible);
1042         if (i >= 0)
1043           if (atk_selection_is_child_selected(ATK_SELECTION (ap), i))
1044             atk_state_set_add_state (state_set, ATK_STATE_SELECTED);
1045       }
1046
1047   return state_set;
1048 }
1049
1050 static void
1051 atk_object_real_set_name (AtkObject       *object,
1052                           const gchar     *name)
1053 {
1054   g_free (object->name);
1055   object->name = g_strdup (name);
1056 }
1057
1058 static void
1059 atk_object_real_set_description (AtkObject       *object,
1060                                  const gchar     *description)
1061 {
1062   g_free (object->description);
1063   object->description = g_strdup (description);
1064 }
1065
1066 static void
1067 atk_object_real_set_parent (AtkObject       *object,
1068                             AtkObject       *parent)
1069 {
1070   if (object->accessible_parent)
1071     g_object_unref (object->accessible_parent);
1072
1073   object->accessible_parent = parent;
1074   if (object->accessible_parent)
1075     g_object_ref (object->accessible_parent);
1076 }
1077
1078 static void
1079 atk_object_real_set_role (AtkObject *object,
1080                           AtkRole   role)
1081 {
1082   object->role = role;
1083 }
1084
1085 static guint
1086 atk_object_real_connect_property_change_handler (AtkObject                *obj,
1087                                                  AtkPropertyChangeHandler *handler)
1088 {
1089   return g_signal_connect_closure_by_id (obj,
1090                                          atk_object_signals[PROPERTY_CHANGE],
1091                                          0,
1092                                          g_cclosure_new (
1093                                          G_CALLBACK (handler), NULL,
1094                                          (GClosureNotify) NULL),
1095                                          FALSE);
1096 }
1097
1098 static void
1099 atk_object_real_remove_property_change_handler (AtkObject           *obj,
1100                                           guint               handler_id)
1101 {
1102   g_signal_handler_disconnect (obj, handler_id);
1103 }
1104
1105 /**
1106  * atk_object_initialize:
1107  * @accessible: a #AtkObject
1108  * @data: a #gpointer which identifies the object for which the AtkObject was created.
1109  *
1110  * This function is called when implementing subclasses of #AtkObject.
1111  * It does initialization required for the new object. It is intended
1112  * that this function should called only in the ..._new() functions used
1113  * to create an instance of a subclass of #AtkObject
1114  **/
1115 void
1116 atk_object_initialize (AtkObject  *accessible,
1117                        gpointer   data)
1118 {
1119   AtkObjectClass *klass;
1120
1121   g_return_if_fail (ATK_IS_OBJECT (accessible));
1122
1123   klass = ATK_OBJECT_GET_CLASS (accessible);
1124   if (klass->initialize)
1125     klass->initialize (accessible, data);
1126 }
1127
1128 /*
1129  * This function is a signal handler for notify signal which gets emitted
1130  * when a property changes value.
1131  *
1132  * It constructs an AtkPropertyValues structure and emits a "property_changed"
1133  * signal which causes the user specified AtkPropertyChangeHandler
1134  * to be called.
1135  */
1136 static void
1137 atk_object_notify (GObject     *obj,
1138                    GParamSpec  *pspec)
1139 {
1140   AtkPropertyValues values = { 0, };
1141
1142   g_value_init (&values.new_value, pspec->value_type);
1143   g_object_get_property (obj, pspec->name, &values.new_value);
1144   values.property_name = pspec->name;
1145   g_signal_emit (obj, atk_object_signals[PROPERTY_CHANGE],
1146                  g_quark_from_string (pspec->name),
1147                  &values, NULL);
1148   g_value_unset (&values.new_value);
1149 }
1150
1151 /**
1152  * atk_role_get_name:
1153  * @role: The #AtkRole whose name is required
1154  *
1155  * Gets the description string describing the #AtkRole @role.
1156  *
1157  * Returns: the string describing the AtkRole
1158  */
1159 G_CONST_RETURN gchar*
1160 atk_role_get_name (AtkRole role)
1161 {
1162   GTypeClass *type_class;
1163   GEnumValue *value;
1164   gchar *name = NULL;
1165
1166   type_class = g_type_class_ref (ATK_TYPE_ROLE);
1167   g_return_val_if_fail (G_IS_ENUM_CLASS (type_class), NULL);
1168
1169   value = g_enum_get_value (G_ENUM_CLASS (type_class), role);
1170
1171   if (value)
1172     {
1173       name = value->value_nick;
1174     }
1175   else
1176     {
1177       if (extra_roles)
1178         {
1179           gint n = role;
1180
1181           n -= ATK_ROLE_LAST_DEFINED + 1;
1182
1183           if (n < extra_roles->len)
1184             name = g_ptr_array_index (extra_roles, n);
1185         }
1186     }
1187   g_type_class_unref (type_class);
1188   return name;
1189 }
1190
1191 #ifdef G_OS_WIN32
1192
1193 #undef ATKLOCALEDIR
1194
1195 #define ATKLOCALEDIR get_atk_locale_dir()
1196
1197 G_WIN32_DLLMAIN_FOR_DLL_NAME(static, dll_name)
1198
1199 static char *
1200 get_atk_locale_dir (void)
1201 {
1202   return g_win32_get_package_installation_subdirectory
1203     (GETTEXT_PACKAGE, dll_name, "lib/locale");
1204 }
1205
1206 #endif
1207
1208 /**
1209  * atk_role_get_localized_name:
1210  * @role: The #AtkRole whose localized name is required
1211  *
1212  * Gets the localized description string describing the #AtkRole @role.
1213  *
1214  * Returns: the localized string describing the AtkRole
1215  **/
1216 G_CONST_RETURN gchar*
1217 atk_role_get_localized_name (AtkRole role)
1218 {
1219   G_CONST_RETURN gchar *name;
1220   gboolean gettext_initialized = FALSE;
1221
1222 #ifdef ENABLE_NLS
1223   if (!gettext_initialized)
1224     {
1225       bindtextdomain (GETTEXT_PACKAGE, ATKLOCALEDIR);
1226 #ifdef HAVE_BIND_TEXTDOMAIN_CODESET
1227       bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
1228 #endif
1229     }
1230 #endif
1231
1232   switch (role)
1233     {
1234       case ATK_ROLE_INVALID:
1235         name = _("invalid");
1236         break;
1237       case ATK_ROLE_ACCEL_LABEL:
1238         name = _("accel-label");
1239         break;
1240       case ATK_ROLE_ALERT:
1241         name = _("alert");
1242         break;
1243       case ATK_ROLE_ANIMATION:
1244         name = _("animation");
1245         break;
1246       case ATK_ROLE_ARROW:
1247         name = _("arrow");
1248         break;
1249       case ATK_ROLE_CALENDAR:
1250         name = _("calendar");
1251         break;
1252       case ATK_ROLE_CANVAS:
1253         name = _("canvas");
1254         break;
1255       case ATK_ROLE_CHECK_BOX:
1256         name = _("check-box");
1257         break;
1258       case ATK_ROLE_CHECK_MENU_ITEM:
1259         name = _("check-menu-item");
1260         break;
1261       case ATK_ROLE_COLOR_CHOOSER:
1262         name = _("color-chooser");
1263         break;
1264       case ATK_ROLE_COLUMN_HEADER:
1265         name = _("column-header");
1266         break;
1267       case ATK_ROLE_COMBO_BOX:
1268         name = _("combo-box");
1269         break;
1270       case ATK_ROLE_DATE_EDITOR:
1271         name = _("date-editor");
1272         break;
1273       case ATK_ROLE_DESKTOP_ICON:
1274         name = _("desktop-icon");
1275         break;
1276       case ATK_ROLE_DESKTOP_FRAME:
1277         name = _("desktop-frame");
1278         break;
1279       case ATK_ROLE_DIAL:
1280         name = _("dial");
1281         break;
1282       case ATK_ROLE_DIALOG:
1283         name = _("dialog");
1284         break;
1285       case ATK_ROLE_DIRECTORY_PANE:
1286         name = _("directory-pane");
1287         break;
1288       case ATK_ROLE_DRAWING_AREA:
1289         name = _("drawing-area");
1290         break;
1291       case ATK_ROLE_FILE_CHOOSER:
1292         name = _("file-chooser");
1293         break;
1294       case ATK_ROLE_FILLER:
1295         name = _("filler");
1296         break;
1297       case ATK_ROLE_FONT_CHOOSER:
1298         name = _("font-chooser");
1299         break;
1300       case ATK_ROLE_FRAME:
1301         name = _("frame");
1302         break;
1303       case ATK_ROLE_GLASS_PANE:
1304         name = _("glass-pane");
1305         break;
1306       case ATK_ROLE_HTML_CONTAINER:
1307         name = _("html-container");
1308         break;
1309       case ATK_ROLE_ICON:
1310         name = _("icon");
1311         break;
1312       case ATK_ROLE_IMAGE:
1313         name = _("image");
1314         break;
1315       case ATK_ROLE_INTERNAL_FRAME:
1316         name = _("internal-frame");
1317         break;
1318       case ATK_ROLE_LABEL:
1319         name = _("label");
1320         break;
1321       case ATK_ROLE_LAYERED_PANE:
1322         name = _("layered-pane");
1323         break;
1324       case ATK_ROLE_LIST:
1325         name = _("list");
1326         break;
1327       case ATK_ROLE_LIST_ITEM:
1328         name = _("list-item");
1329         break;
1330       case ATK_ROLE_MENU:
1331         name = _("menu");
1332         break;
1333       case ATK_ROLE_MENU_BAR:
1334         name = _("menu-bar");
1335         break;
1336       case ATK_ROLE_MENU_ITEM:
1337         name = _("menu-item");
1338         break;
1339       case ATK_ROLE_OPTION_PANE:
1340         name = _("option-pane");
1341         break;
1342       case ATK_ROLE_PAGE_TAB:
1343         name = _("page-tab");
1344         break;
1345       case ATK_ROLE_PAGE_TAB_LIST:
1346         name = _("page-tab-list");
1347         break;
1348       case ATK_ROLE_PANEL:
1349         name = _("panel");
1350         break;
1351       case ATK_ROLE_PASSWORD_TEXT:
1352         name = _("password-text");
1353         break;
1354       case ATK_ROLE_POPUP_MENU:
1355         name = _("popup-menu");
1356         break;
1357       case ATK_ROLE_PROGRESS_BAR:
1358         name = _("progress-bar");
1359         break;
1360       case ATK_ROLE_PUSH_BUTTON:
1361         name = _("push-button");
1362         break;
1363       case ATK_ROLE_RADIO_BUTTON:
1364         name = _("radio-button");
1365         break;
1366       case ATK_ROLE_RADIO_MENU_ITEM:
1367         name = _("radio-menu-item");
1368         break;
1369       case ATK_ROLE_ROOT_PANE:
1370         name = _("root-pane");
1371         break;
1372       case ATK_ROLE_ROW_HEADER:
1373         name = _("row-header");
1374         break;
1375       case ATK_ROLE_SCROLL_BAR:
1376         name = _("scroll-bar");
1377         break;
1378       case ATK_ROLE_SCROLL_PANE:
1379         name = _("scroll-pane");
1380         break;
1381       case ATK_ROLE_SEPARATOR:
1382         name = _("separator");
1383         break;
1384       case ATK_ROLE_SLIDER:
1385         name = _("slider");
1386         break;
1387       case ATK_ROLE_SPLIT_PANE:
1388         name = _("split-pane");
1389         break;
1390       case ATK_ROLE_SPIN_BUTTON:
1391         name = _("spin-button");
1392         break;
1393       case ATK_ROLE_STATUSBAR:
1394         name = _("statusbar");
1395         break;
1396       case ATK_ROLE_TABLE:
1397         name = _("table");
1398         break;
1399       case ATK_ROLE_TABLE_CELL:
1400         name = _("table-cell");
1401         break;
1402       case ATK_ROLE_TABLE_COLUMN_HEADER:
1403         name = _("table-column-header");
1404         break;
1405       case ATK_ROLE_TABLE_ROW_HEADER:
1406         name = _("table-row-header");
1407         break;
1408       case ATK_ROLE_TEAR_OFF_MENU_ITEM:
1409         name = _("tear-off-menu-item");
1410         break;
1411       case ATK_ROLE_TERMINAL:
1412         name = _("terminal");
1413         break;
1414       case ATK_ROLE_TEXT:
1415         name = _("text");
1416         break;
1417       case ATK_ROLE_TOGGLE_BUTTON:
1418         name = _("toggle-button");
1419         break;
1420       case ATK_ROLE_TOOL_BAR:
1421         name = _("tool-bar");
1422         break;
1423       case ATK_ROLE_TOOL_TIP:
1424         name = _("tool-tip");
1425         break;
1426       case ATK_ROLE_TREE:
1427         name = _("tree");
1428         break;
1429       case ATK_ROLE_TREE_TABLE:
1430         name = _("tree-table");
1431         break;
1432       case ATK_ROLE_UNKNOWN:
1433         name = _("unknown");
1434         break;
1435       case ATK_ROLE_VIEWPORT:
1436         name = _("viewport");
1437         break;
1438       case ATK_ROLE_WINDOW:
1439         name = _("window");
1440         break;
1441       case ATK_ROLE_HEADER:
1442         name = _("header");
1443         break;
1444       case ATK_ROLE_FOOTER:
1445         name = _("footer");
1446         break;
1447       case ATK_ROLE_PARAGRAPH:
1448         name = _("paragraph");
1449         break;
1450       case ATK_ROLE_RULER:
1451         name = _("ruler");
1452         break;
1453       case ATK_ROLE_APPLICATION:
1454         name = _("application");
1455         break;
1456       default:
1457         name = atk_role_get_name (role);
1458         break;
1459     }
1460   return name;
1461 }
1462
1463 /**
1464  * atk_role_for_name:
1465  * @name: a string which is the (non-localized) name of an ATK role.
1466  *
1467  * Get the #AtkRole type corresponding to a rolew name.
1468  *
1469  * Returns: the #AtkRole enumerated type corresponding to the specified
1470 name,
1471  *          or #ATK_ROLE_INVALID if no matching role is found.
1472  **/
1473 AtkRole
1474 atk_role_for_name (const gchar *name)
1475 {
1476   GTypeClass *type_class;
1477   GEnumValue *value;
1478   AtkRole role = ATK_ROLE_INVALID;
1479
1480   g_return_val_if_fail (name, ATK_ROLE_INVALID);
1481
1482   type_class = g_type_class_ref (ATK_TYPE_ROLE);
1483   g_return_val_if_fail (G_IS_ENUM_CLASS (type_class), ATK_ROLE_INVALID);
1484
1485   value = g_enum_get_value_by_nick (G_ENUM_CLASS (type_class), name);
1486
1487   if (value)
1488     {
1489       role = value->value;
1490     }
1491   else
1492     {
1493      gint i;
1494
1495       if (extra_roles)
1496         {
1497           for (i = 0; i < extra_roles->len; i++)
1498             {
1499               gchar *extra_role = (gchar *)g_ptr_array_index (extra_roles, i);
1500
1501               g_return_val_if_fail (extra_role, ATK_ROLE_INVALID);
1502
1503               if (strcmp (name, extra_role) == 0)
1504                 {
1505                   role = i + 1 + ATK_ROLE_LAST_DEFINED;
1506                   break;
1507                 }
1508             }
1509         }
1510     }
1511   g_type_class_unref (type_class);
1512
1513   return role;
1514 }
1515
1516 /**
1517  * atk_object_add_relationship:
1518  * @object: The #AtkObject to which an AtkRelation is to be added.
1519  * @relationship: The #AtkRelationType of the relation
1520  * @target: The #AtkObject which is to be the target of the relation.
1521  *
1522  * Adds a relationship of the specified type with the specified target.
1523  *
1524  * Returns TRUE if the relationship is added.
1525  **/
1526 gboolean
1527 atk_object_add_relationship (AtkObject       *object,
1528                              AtkRelationType relationship,
1529                              AtkObject       *target)
1530 {
1531   AtkObject *array[1];
1532   AtkRelation *relation;
1533
1534   g_return_val_if_fail (ATK_IS_OBJECT (object), FALSE);
1535   g_return_val_if_fail (ATK_IS_OBJECT (target), FALSE);
1536
1537   array[0] = target;
1538   relation = atk_relation_new (array, 1, relationship);
1539   atk_relation_set_add (object->relation_set, relation);
1540   g_object_unref (relation);
1541
1542   return TRUE;
1543 }
1544
1545 /**
1546  * atk_object_remove_relationship:
1547  * @object: The #AtkObject from which an AtkRelation is to be removed.
1548  * @relationship: The #AtkRelationType of the relation
1549  * @target: The #AtkObject which is the target of the relation to be removed.
1550  *
1551  * Removes a relationship of the specified type with the specified target.
1552  *
1553  * Returns TRUE if the relationship is removed.
1554  **/
1555 gboolean
1556 atk_object_remove_relationship (AtkObject       *object,
1557                                 AtkRelationType relationship,
1558                                 AtkObject       *target)
1559 {
1560   gint n_relations, i;
1561   gboolean ret = FALSE;
1562   AtkRelation *relation;
1563
1564   g_return_val_if_fail (ATK_IS_OBJECT (object), FALSE);
1565   g_return_val_if_fail (ATK_IS_OBJECT (target), FALSE);
1566
1567   n_relations = atk_relation_set_get_n_relations (object->relation_set);
1568   for (i = 0; i < n_relations; i++)
1569     {
1570       relation = atk_relation_set_get_relation (object->relation_set, i);
1571       if (atk_relation_get_relation_type (relation) == relationship)
1572         {
1573           GPtrArray *array;
1574
1575           array = atk_relation_get_target (relation);
1576
1577           if (g_ptr_array_index (array, 0) == target)
1578             {
1579               atk_relation_set_remove (object->relation_set, relation);
1580               ret = TRUE;
1581               break;
1582             }
1583         }
1584     }
1585
1586   return ret;
1587 }
1588
1589 static void
1590 atk_object_real_initialize (AtkObject *accessible,
1591                             gpointer  data)
1592 {
1593   return;
1594 }