spi-common/spi-stateset.c

   1 /*
   2  * AT-SPI - Assistive Technology Service Provider Interface
   3  * (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
   4  *
   5  * Copyright 2001, 2002 Sun Microsystems Inc.,
   6  * Copyright 2001, 2002 Ximian, Inc.
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Library General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Library General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Library General Public
  19  * License along with this library; if not, write to the
  20  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  21  * Boston, MA 02111-1307, USA.
  22  */
  23
  24 /* stateset.c : implements the StateSet interface */
  25
  26 #include <config.h>
  27 #include <stdio.h>
  28 #include "spi-stateset.h"
  29
  30
  31 static Accessibility_StateType *accessible_state_types = NULL;
  32 static AtkStateType *atk_state_types = NULL;
  33
  34
  35 static gboolean
  36 spi_init_state_type_tables (void)
  37 {
  38   gint i;
  39
  40   if (accessible_state_types || atk_state_types)
  41     return FALSE;
  42   if (!accessible_state_types)
  43     accessible_state_types = g_new (Accessibility_StateType, ATK_STATE_LAST_DEFINED);
  44   if (!atk_state_types)
  45     atk_state_types = g_new (AtkStateType, Accessibility_STATE_LAST_DEFINED);
  46   g_return_val_if_fail (accessible_state_types, FALSE);
  47   g_return_val_if_fail (atk_state_types, FALSE);
  48
  49   for (i = 0; i < Accessibility_STATE_LAST_DEFINED; i++)
  50     {
  51       atk_state_types[i] = ATK_STATE_INVALID;
  52     }
  53
  54   for (i=0; i < ATK_STATE_LAST_DEFINED; i++)
  55     {
  56       accessible_state_types[i] = Accessibility_STATE_INVALID;
  57     }
  58
  59   accessible_state_types[ATK_STATE_ACTIVE] = Accessibility_STATE_ACTIVE;
  60   atk_state_types[Accessibility_STATE_ACTIVE] = ATK_STATE_ACTIVE;
  61   accessible_state_types[ATK_STATE_ARMED] = Accessibility_STATE_ARMED;
  62   atk_state_types[Accessibility_STATE_ARMED] = ATK_STATE_ARMED;
  63   accessible_state_types[ATK_STATE_BUSY] = Accessibility_STATE_BUSY;
  64   atk_state_types[Accessibility_STATE_BUSY] = ATK_STATE_BUSY;
  65   accessible_state_types[ATK_STATE_CHECKED] = Accessibility_STATE_CHECKED;
  66   atk_state_types[Accessibility_STATE_CHECKED] = ATK_STATE_CHECKED;
  67   accessible_state_types[ATK_STATE_DEFUNCT] = Accessibility_STATE_DEFUNCT;
  68   atk_state_types[Accessibility_STATE_DEFUNCT] = ATK_STATE_DEFUNCT;
  69   accessible_state_types[ATK_STATE_EDITABLE] = Accessibility_STATE_EDITABLE;
  70   atk_state_types[Accessibility_STATE_EDITABLE] = ATK_STATE_EDITABLE;
  71   accessible_state_types[ATK_STATE_ENABLED] = Accessibility_STATE_ENABLED;
  72   atk_state_types[Accessibility_STATE_ENABLED] = ATK_STATE_ENABLED;
  73   accessible_state_types[ATK_STATE_EXPANDABLE] = Accessibility_STATE_EXPANDABLE;
  74   atk_state_types[Accessibility_STATE_EXPANDABLE] = ATK_STATE_EXPANDABLE;
  75   accessible_state_types[ATK_STATE_EXPANDED] = Accessibility_STATE_EXPANDED;
  76   atk_state_types[Accessibility_STATE_EXPANDED] = ATK_STATE_EXPANDED;
  77   accessible_state_types[ATK_STATE_FOCUSABLE] = Accessibility_STATE_FOCUSABLE;
  78   atk_state_types[Accessibility_STATE_FOCUSABLE] = ATK_STATE_FOCUSABLE;
  79   accessible_state_types[ATK_STATE_FOCUSED] = Accessibility_STATE_FOCUSED;
  80   atk_state_types[Accessibility_STATE_FOCUSED] = ATK_STATE_FOCUSED;
  81   accessible_state_types[ATK_STATE_HORIZONTAL] = Accessibility_STATE_HORIZONTAL;
  82   atk_state_types[Accessibility_STATE_HORIZONTAL] = ATK_STATE_HORIZONTAL;
  83   accessible_state_types[ATK_STATE_ICONIFIED] = Accessibility_STATE_ICONIFIED;
  84   atk_state_types[Accessibility_STATE_ICONIFIED] = ATK_STATE_ICONIFIED;
  85   accessible_state_types[ATK_STATE_MODAL] = Accessibility_STATE_MODAL;
  86   atk_state_types[Accessibility_STATE_MODAL] = ATK_STATE_MODAL;
  87   accessible_state_types[ATK_STATE_MULTI_LINE] = Accessibility_STATE_MULTI_LINE;
  88   atk_state_types[Accessibility_STATE_MULTI_LINE] = ATK_STATE_MULTI_LINE;
  89   accessible_state_types[ATK_STATE_MULTISELECTABLE] = Accessibility_STATE_MULTISELECTABLE;
  90   atk_state_types[Accessibility_STATE_MULTISELECTABLE] = ATK_STATE_MULTISELECTABLE;
  91   accessible_state_types[ATK_STATE_OPAQUE] = Accessibility_STATE_OPAQUE;
  92   atk_state_types[Accessibility_STATE_OPAQUE] = ATK_STATE_OPAQUE;
  93   accessible_state_types[ATK_STATE_PRESSED] = Accessibility_STATE_PRESSED;
  94   atk_state_types[Accessibility_STATE_PRESSED] = ATK_STATE_PRESSED;
  95   accessible_state_types[ATK_STATE_RESIZABLE] = Accessibility_STATE_RESIZABLE;
  96   atk_state_types[Accessibility_STATE_RESIZABLE] = ATK_STATE_RESIZABLE;
  97   accessible_state_types[ATK_STATE_SELECTABLE] = Accessibility_STATE_SELECTABLE;
  98   atk_state_types[Accessibility_STATE_SELECTABLE] = ATK_STATE_SELECTABLE;
  99   accessible_state_types[ATK_STATE_SELECTED] = Accessibility_STATE_SELECTED;
 100   atk_state_types[Accessibility_STATE_SELECTED] = ATK_STATE_SELECTED;
 101   accessible_state_types[ATK_STATE_SENSITIVE] = Accessibility_STATE_SENSITIVE;
 102   atk_state_types[Accessibility_STATE_SENSITIVE] = ATK_STATE_SENSITIVE;
 103   accessible_state_types[ATK_STATE_SHOWING] = Accessibility_STATE_SHOWING;
 104   atk_state_types[Accessibility_STATE_SHOWING] = ATK_STATE_SHOWING;
 105   accessible_state_types[ATK_STATE_SINGLE_LINE] = Accessibility_STATE_SINGLE_LINE;
 106   atk_state_types[Accessibility_STATE_SINGLE_LINE] = ATK_STATE_SINGLE_LINE;
 107   accessible_state_types[ATK_STATE_STALE] = Accessibility_STATE_STALE;
 108   atk_state_types[Accessibility_STATE_STALE] = ATK_STATE_STALE;
 109   accessible_state_types[ATK_STATE_TRANSIENT] = Accessibility_STATE_TRANSIENT;
 110   atk_state_types[Accessibility_STATE_TRANSIENT] = ATK_STATE_TRANSIENT;
 111   accessible_state_types[ATK_STATE_VERTICAL] = Accessibility_STATE_VERTICAL;
 112   atk_state_types[Accessibility_STATE_VERTICAL] = ATK_STATE_VERTICAL;
 113   accessible_state_types[ATK_STATE_VISIBLE] = Accessibility_STATE_VISIBLE;
 114   atk_state_types[Accessibility_STATE_VISIBLE] = ATK_STATE_VISIBLE;
 115   accessible_state_types[ATK_STATE_MANAGES_DESCENDANTS] = Accessibility_STATE_MANAGES_DESCENDANTS;
 116   atk_state_types[Accessibility_STATE_MANAGES_DESCENDANTS] = ATK_STATE_MANAGES_DESCENDANTS;
 117   accessible_state_types[ATK_STATE_INDETERMINATE] = Accessibility_STATE_INDETERMINATE;
 118   atk_state_types[Accessibility_STATE_INDETERMINATE] = ATK_STATE_INDETERMINATE;
 119   accessible_state_types[ATK_STATE_TRUNCATED] = Accessibility_STATE_TRUNCATED;
 120   atk_state_types[Accessibility_STATE_TRUNCATED] = ATK_STATE_TRUNCATED;
 121   accessible_state_types[ATK_STATE_REQUIRED] = Accessibility_STATE_REQUIRED;
 122   atk_state_types[Accessibility_STATE_REQUIRED] = ATK_STATE_REQUIRED;
 123   accessible_state_types[ATK_STATE_INVALID_ENTRY] = Accessibility_STATE_INVALID_ENTRY;
 124   atk_state_types[Accessibility_STATE_INVALID_ENTRY] = ATK_STATE_INVALID_ENTRY;
 125   accessible_state_types[ATK_STATE_SUPPORTS_AUTOCOMPLETION] = Accessibility_STATE_SUPPORTS_AUTOCOMPLETION;
 126   atk_state_types[Accessibility_STATE_SUPPORTS_AUTOCOMPLETION] = ATK_STATE_SUPPORTS_AUTOCOMPLETION;
 127   accessible_state_types[ATK_STATE_SELECTABLE_TEXT] = Accessibility_STATE_SELECTABLE_TEXT;
 128   atk_state_types[Accessibility_STATE_SELECTABLE_TEXT] = ATK_STATE_SELECTABLE_TEXT;
 129   accessible_state_types[ATK_STATE_DEFAULT] = Accessibility_STATE_IS_DEFAULT;
 130   atk_state_types[Accessibility_STATE_IS_DEFAULT] = ATK_STATE_DEFAULT;
 131   accessible_state_types[ATK_STATE_VISITED] = Accessibility_STATE_VISITED;
 132   atk_state_types[Accessibility_STATE_VISITED] = ATK_STATE_VISITED;
 133
 134
 135   return TRUE;
 136 }
 137
 138 static inline AtkState
 139 state_spi_to_atk (Accessibility_StateType state)
 140 {
 141   guint idx = state;
 142   if (idx < Accessibility_STATE_LAST_DEFINED)
 143     return atk_state_types [idx];
 144   else
 145     return ATK_STATE_INVALID;
 146 }
 147
 148 AtkState
 149 spi_atk_state_from_spi_state (Accessibility_StateType state)
 150 {
 151   spi_init_state_type_tables ();
 152   return state_spi_to_atk (state);
 153 }
 154
 155 AtkStateSet *
 156 spi_state_set_cache_from_sequence (const GArray *seq)
 157 {
 158   int i;
 159   AtkStateSet *set;
 160   AtkStateType *states;
 161
 162   spi_init_state_type_tables ();
 163
 164   states = g_newa (AtkStateType, seq->len);
 165   for (i = 0; i < seq->len; i++)
 166     states [i] = state_spi_to_atk (g_array_index (seq, dbus_int32_t, i));
 167
 168   set = atk_state_set_new ();
 169   atk_state_set_add_states (set, states, seq->len);
 170
 171   g_free (states);
 172   g_array_free (seq, TRUE);
 173   return set;
 174 }
 175