1 | /* |
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2 | * AT-SPI - Assistive Technology Service Provider Interface |
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3 | * (Gnome Accessibility Project; http://developer.gnome.org/projects/gap) |
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4 | * |
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5 | * Copyright 2001 Sun Microsystems Inc. |
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6 | * |
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7 | * This library is free software; you can redistribute it and/or |
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8 | * modify it under the terms of the GNU Library General Public |
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9 | * License as published by the Free Software Foundation; either |
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10 | * version 2 of the License, or (at your option) any later version. |
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11 | * |
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12 | * This library is distributed in the hope that it will be useful, |
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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15 | * Library General Public License for more details. |
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16 | * |
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17 | * You should have received a copy of the GNU Library General Public |
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18 | * License along with this library; if not, write to the |
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19 | * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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20 | * Boston, MA 02111-1307, USA. |
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21 | */ |
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22 | |
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23 | /* stateset.c : implements the StateSet interface */ |
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24 | |
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25 | #include <config.h> |
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26 | #include <stdio.h> |
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27 | #include <libspi/stateset.h> |
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28 | |
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29 | |
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30 | static Accessibility_StateType *accessible_state_types = NULL; |
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31 | static AtkStateType *atk_state_types = NULL; |
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32 | |
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33 | |
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34 | static gboolean |
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35 | spi_init_state_type_tables (void) |
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36 | { |
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37 | gint i; |
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38 | |
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39 | if (accessible_state_types || atk_state_types) |
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40 | return FALSE; |
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41 | if (!accessible_state_types) |
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42 | accessible_state_types = g_new (Accessibility_StateType, ATK_STATE_LAST_DEFINED); |
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43 | if (!atk_state_types) |
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44 | atk_state_types = g_new (AtkStateType, Accessibility_STATE_LAST_DEFINED); |
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45 | g_return_val_if_fail (accessible_state_types, FALSE); |
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46 | g_return_val_if_fail (atk_state_types, FALSE); |
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47 | |
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48 | for (i = 0; i < Accessibility_STATE_LAST_DEFINED; i++) |
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49 | { |
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50 | atk_state_types[i] = ATK_STATE_INVALID; |
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51 | } |
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52 | |
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53 | for (i=0; i < ATK_STATE_LAST_DEFINED; i++) |
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54 | { |
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55 | accessible_state_types[i] = Accessibility_STATE_INVALID; |
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56 | } |
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57 | |
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58 | accessible_state_types[ATK_STATE_ACTIVE] = Accessibility_STATE_ACTIVE; |
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59 | atk_state_types[Accessibility_STATE_ACTIVE] = ATK_STATE_ACTIVE; |
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60 | accessible_state_types[ATK_STATE_ARMED] = Accessibility_STATE_ARMED; |
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61 | atk_state_types[Accessibility_STATE_ARMED] = ATK_STATE_ARMED; |
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62 | accessible_state_types[ATK_STATE_BUSY] = Accessibility_STATE_BUSY; |
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63 | atk_state_types[Accessibility_STATE_BUSY] = ATK_STATE_BUSY; |
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64 | accessible_state_types[ATK_STATE_CHECKED] = Accessibility_STATE_CHECKED; |
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65 | atk_state_types[Accessibility_STATE_CHECKED] = ATK_STATE_CHECKED; |
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66 | accessible_state_types[ATK_STATE_DEFUNCT] = Accessibility_STATE_DEFUNCT; |
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67 | atk_state_types[Accessibility_STATE_DEFUNCT] = ATK_STATE_DEFUNCT; |
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68 | accessible_state_types[ATK_STATE_EDITABLE] = Accessibility_STATE_EDITABLE; |
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69 | atk_state_types[Accessibility_STATE_EDITABLE] = ATK_STATE_EDITABLE; |
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70 | accessible_state_types[ATK_STATE_ENABLED] = Accessibility_STATE_ENABLED; |
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71 | atk_state_types[Accessibility_STATE_ENABLED] = ATK_STATE_ENABLED; |
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72 | accessible_state_types[ATK_STATE_EXPANDABLE] = Accessibility_STATE_EXPANDABLE; |
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73 | atk_state_types[Accessibility_STATE_EXPANDABLE] = ATK_STATE_EXPANDABLE; |
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74 | accessible_state_types[ATK_STATE_EXPANDED] = Accessibility_STATE_EXPANDED; |
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75 | atk_state_types[Accessibility_STATE_EXPANDED] = ATK_STATE_EXPANDED; |
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76 | accessible_state_types[ATK_STATE_FOCUSABLE] = Accessibility_STATE_FOCUSABLE; |
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77 | atk_state_types[Accessibility_STATE_FOCUSABLE] = ATK_STATE_FOCUSABLE; |
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78 | accessible_state_types[ATK_STATE_FOCUSED] = Accessibility_STATE_FOCUSED; |
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79 | atk_state_types[Accessibility_STATE_FOCUSED] = ATK_STATE_FOCUSED; |
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80 | accessible_state_types[ATK_STATE_HORIZONTAL] = Accessibility_STATE_HORIZONTAL; |
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81 | atk_state_types[Accessibility_STATE_HORIZONTAL] = ATK_STATE_HORIZONTAL; |
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82 | accessible_state_types[ATK_STATE_ICONIFIED] = Accessibility_STATE_ICONIFIED; |
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83 | atk_state_types[Accessibility_STATE_ICONIFIED] = ATK_STATE_ICONIFIED; |
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84 | accessible_state_types[ATK_STATE_MODAL] = Accessibility_STATE_MODAL; |
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85 | atk_state_types[Accessibility_STATE_MODAL] = ATK_STATE_MODAL; |
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86 | accessible_state_types[ATK_STATE_MULTI_LINE] = Accessibility_STATE_MULTI_LINE; |
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87 | atk_state_types[Accessibility_STATE_MULTI_LINE] = ATK_STATE_MULTI_LINE; |
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88 | accessible_state_types[ATK_STATE_MULTISELECTABLE] = Accessibility_STATE_MULTISELECTABLE; |
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89 | atk_state_types[Accessibility_STATE_MULTISELECTABLE] = ATK_STATE_MULTISELECTABLE; |
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90 | accessible_state_types[ATK_STATE_OPAQUE] = Accessibility_STATE_OPAQUE; |
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91 | atk_state_types[Accessibility_STATE_OPAQUE] = ATK_STATE_OPAQUE; |
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92 | accessible_state_types[ATK_STATE_PRESSED] = Accessibility_STATE_PRESSED; |
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93 | atk_state_types[Accessibility_STATE_PRESSED] = ATK_STATE_PRESSED; |
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94 | accessible_state_types[ATK_STATE_RESIZABLE] = Accessibility_STATE_RESIZABLE; |
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95 | atk_state_types[Accessibility_STATE_RESIZABLE] = ATK_STATE_RESIZABLE; |
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96 | accessible_state_types[ATK_STATE_SELECTABLE] = Accessibility_STATE_SELECTABLE; |
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97 | atk_state_types[Accessibility_STATE_SELECTABLE] = ATK_STATE_SELECTABLE; |
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98 | accessible_state_types[ATK_STATE_SELECTED] = Accessibility_STATE_SELECTED; |
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99 | atk_state_types[Accessibility_STATE_SELECTED] = ATK_STATE_SELECTED; |
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100 | accessible_state_types[ATK_STATE_SENSITIVE] = Accessibility_STATE_SENSITIVE; |
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101 | atk_state_types[Accessibility_STATE_SENSITIVE] = ATK_STATE_SENSITIVE; |
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102 | accessible_state_types[ATK_STATE_SHOWING] = Accessibility_STATE_SHOWING; |
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103 | atk_state_types[Accessibility_STATE_SHOWING] = ATK_STATE_SHOWING; |
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104 | accessible_state_types[ATK_STATE_SINGLE_LINE] = Accessibility_STATE_SINGLE_LINE; |
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105 | atk_state_types[Accessibility_STATE_SINGLE_LINE] = ATK_STATE_SINGLE_LINE; |
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106 | accessible_state_types[ATK_STATE_STALE] = Accessibility_STATE_STALE; |
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107 | atk_state_types[Accessibility_STATE_STALE] = ATK_STATE_STALE; |
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108 | accessible_state_types[ATK_STATE_TRANSIENT] = Accessibility_STATE_TRANSIENT; |
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109 | atk_state_types[Accessibility_STATE_TRANSIENT] = ATK_STATE_TRANSIENT; |
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110 | accessible_state_types[ATK_STATE_VERTICAL] = Accessibility_STATE_VERTICAL; |
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111 | atk_state_types[Accessibility_STATE_VERTICAL] = ATK_STATE_VERTICAL; |
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112 | accessible_state_types[ATK_STATE_VISIBLE] = Accessibility_STATE_VISIBLE; |
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113 | atk_state_types[Accessibility_STATE_VISIBLE] = ATK_STATE_VISIBLE; |
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114 | |
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115 | return TRUE; |
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116 | } |
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117 | |
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118 | |
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119 | |
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120 | static AtkStateSet * |
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121 | atk_state_set_from_servant (PortableServer_Servant servant) |
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122 | { |
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123 | SpiBase *base = SPI_BASE (bonobo_object_from_servant(servant)); |
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124 | |
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125 | g_return_val_if_fail (base, NULL); |
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126 | return ATK_STATE_SET(base->gobj); |
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127 | } |
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128 | |
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129 | |
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130 | |
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131 | static AtkStateSet * |
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132 | atk_state_set_from_accessibility_state_set (Accessibility_StateSet set, CORBA_Environment *ev) |
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133 | { |
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134 | AtkStateType *states, *tmp; |
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135 | AtkStateSet *rv; |
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136 | gint i; |
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137 | Accessibility_StateSeq *seq; |
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138 | |
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139 | seq = Accessibility_StateSet_getStates (set, ev); |
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140 | states = tmp = g_new (AtkStateType, seq->_length); |
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141 | for (i = 0; i < seq->_length; i++) |
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142 | *tmp++ = atk_state_types[seq->_buffer[i]]; |
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143 | rv = atk_state_set_new (); |
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144 | atk_state_set_add_states (rv, states, seq->_length); |
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145 | CORBA_free (seq); |
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146 | g_free (states); |
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147 | return rv; |
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148 | } |
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149 | |
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150 | |
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151 | |
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152 | SpiStateSet * |
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153 | spi_state_set_new (AtkStateSet *obj) |
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154 | { |
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155 | SpiStateSet *new_set = g_object_new (SPI_STATE_SET_TYPE, NULL); |
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156 | spi_base_construct (SPI_BASE (new_set), G_OBJECT (obj)); |
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157 | return new_set; |
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158 | } |
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159 | |
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160 | |
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161 | |
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162 | static CORBA_boolean |
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163 | impl_contains (PortableServer_Servant servant, |
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164 | const Accessibility_StateType state, |
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165 | CORBA_Environment * ev) |
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166 | { |
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167 | AtkStateSet *set = atk_state_set_from_servant (servant); |
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168 | |
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169 | g_return_val_if_fail (set, FALSE); |
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170 | return atk_state_set_contains_state (set, atk_state_types[state]); |
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171 | } |
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172 | |
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173 | |
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174 | |
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175 | static void |
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176 | impl_add(PortableServer_Servant servant, |
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177 | const Accessibility_StateType state, |
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178 | CORBA_Environment * ev) |
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179 | { |
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180 | AtkStateSet *set = atk_state_set_from_servant (servant); |
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181 | |
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182 | g_return_if_fail (set); |
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183 | atk_state_set_add_state (set, atk_state_types[state]); |
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184 | } |
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185 | |
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186 | |
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187 | |
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188 | static void |
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189 | impl_remove (PortableServer_Servant servant, |
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190 | const Accessibility_StateType state, |
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191 | CORBA_Environment * ev) |
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192 | { |
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193 | AtkStateSet *set = atk_state_set_from_servant (servant); |
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194 | |
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195 | g_return_if_fail (set); |
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196 | atk_state_set_remove_state (set, atk_state_types[state]); |
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197 | } |
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198 | |
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199 | |
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200 | |
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201 | static CORBA_boolean |
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202 | impl_equals (PortableServer_Servant servant, |
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203 | const Accessibility_StateSet stateSet, |
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204 | CORBA_Environment * ev) |
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205 | { |
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206 | AtkStateSet *set = atk_state_set_from_servant (servant); |
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207 | AtkStateSet *set2, *return_set; |
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208 | CORBA_boolean rv; |
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209 | |
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210 | g_return_val_if_fail (set, FALSE); |
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211 | |
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212 | set2 = atk_state_set_from_accessibility_state_set (stateSet, ev); |
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213 | g_return_val_if_fail (set2, FALSE); |
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214 | |
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215 | return_set = atk_state_set_xor_sets (set, set2); |
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216 | g_object_unref (G_OBJECT(set2)); |
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217 | if (return_set) |
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218 | { |
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219 | rv = atk_state_set_is_empty (return_set); |
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220 | g_object_unref (G_OBJECT(return_set)); |
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221 | } |
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222 | else |
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223 | rv = FALSE; |
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224 | return rv; |
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225 | } |
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226 | |
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227 | |
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228 | |
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229 | static Accessibility_StateSet |
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230 | impl_compare (PortableServer_Servant servant, |
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231 | const Accessibility_StateSet compareState, |
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232 | CORBA_Environment * ev) |
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233 | { |
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234 | AtkStateSet *set = atk_state_set_from_servant (servant); |
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235 | AtkStateSet *set2, *return_set; |
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236 | SpiStateSet *spi_set; |
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237 | |
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238 | g_return_val_if_fail (set, FALSE); |
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239 | |
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240 | set2 = atk_state_set_from_accessibility_state_set (compareState, ev); |
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241 | g_return_val_if_fail (set2, CORBA_OBJECT_NIL); |
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242 | |
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243 | return_set = atk_state_set_xor_sets (set, set2); |
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244 | g_object_unref (G_OBJECT(set2)); |
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245 | spi_set = spi_state_set_new (return_set); |
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246 | return bonobo_object_corba_objref (BONOBO_OBJECT(spi_set)); |
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247 | } |
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248 | |
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249 | |
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250 | |
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251 | static CORBA_boolean |
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252 | impl_isEmpty (PortableServer_Servant servant, |
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253 | CORBA_Environment * ev) |
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254 | { |
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255 | AtkStateSet *set = atk_state_set_from_servant (servant); |
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256 | |
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257 | g_return_val_if_fail (set, TRUE); |
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258 | return atk_state_set_is_empty (set); |
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259 | } |
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260 | |
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261 | |
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262 | |
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263 | static Accessibility_StateSeq * |
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264 | impl_getStates (PortableServer_Servant servant, |
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265 | CORBA_Environment * ev) |
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266 | { |
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267 | AtkStateSet *set = atk_state_set_from_servant (servant); |
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268 | GSList *states = NULL; |
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269 | GSList *tmp; |
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270 | gint i = 0; |
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271 | Accessibility_StateSeq *rv; |
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272 | |
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273 | g_return_val_if_fail (set, CORBA_OBJECT_NIL); |
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274 | |
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275 | /* Argh-- this is bad!!! */ |
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276 | |
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277 | if (atk_state_set_contains_state (set, ATK_STATE_ACTIVE)) |
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278 | states = g_slist_append (states, (gpointer) Accessibility_STATE_ACTIVE); |
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279 | if (atk_state_set_contains_state (set, ATK_STATE_ARMED)) |
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280 | states = g_slist_append (states, (gpointer) Accessibility_STATE_ARMED); |
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281 | if (atk_state_set_contains_state (set, ATK_STATE_BUSY)) |
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282 | states = g_slist_append (states, (gpointer) Accessibility_STATE_BUSY); |
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283 | if (atk_state_set_contains_state (set, ATK_STATE_CHECKED)) |
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284 | states = g_slist_append (states, (gpointer) Accessibility_STATE_CHECKED); |
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285 | if (atk_state_set_contains_state (set, ATK_STATE_DEFUNCT)) |
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286 | states = g_slist_append (states, (gpointer) Accessibility_STATE_DEFUNCT); |
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287 | if (atk_state_set_contains_state (set, ATK_STATE_EDITABLE)) |
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288 | states = g_slist_append (states, (gpointer) Accessibility_STATE_EDITABLE); |
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289 | if (atk_state_set_contains_state (set, ATK_STATE_ENABLED)) |
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290 | states = g_slist_append (states, (gpointer) Accessibility_STATE_ENABLED); |
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291 | if (atk_state_set_contains_state (set, ATK_STATE_EXPANDABLE)) |
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292 | states = g_slist_append (states, (gpointer) Accessibility_STATE_EXPANDABLE); |
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293 | if (atk_state_set_contains_state (set, ATK_STATE_EXPANDED)) |
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294 | states = g_slist_append (states, (gpointer) Accessibility_STATE_EXPANDED); |
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295 | if (atk_state_set_contains_state (set, ATK_STATE_FOCUSABLE)) |
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296 | states = g_slist_append (states, (gpointer) Accessibility_STATE_FOCUSABLE); |
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297 | if (atk_state_set_contains_state (set, ATK_STATE_FOCUSED)) |
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298 | states = g_slist_append (states, (gpointer) Accessibility_STATE_FOCUSED); |
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299 | if (atk_state_set_contains_state (set, ATK_STATE_HORIZONTAL)) |
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300 | states = g_slist_append (states, (gpointer) Accessibility_STATE_HORIZONTAL); |
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301 | if (atk_state_set_contains_state (set, ATK_STATE_ICONIFIED)) |
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302 | states = g_slist_append (states, (gpointer) Accessibility_STATE_ICONIFIED); |
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303 | if (atk_state_set_contains_state (set, ATK_STATE_MODAL)) |
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304 | states = g_slist_append (states, (gpointer) Accessibility_STATE_MODAL); |
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305 | if (atk_state_set_contains_state (set, ATK_STATE_MULTI_LINE)) |
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306 | states = g_slist_append (states, (gpointer) Accessibility_STATE_MULTI_LINE); |
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307 | if (atk_state_set_contains_state (set, ATK_STATE_MULTISELECTABLE)) |
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308 | states = g_slist_append (states, (gpointer) Accessibility_STATE_MULTISELECTABLE); |
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309 | if (atk_state_set_contains_state (set, ATK_STATE_OPAQUE)) |
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310 | states = g_slist_append (states, (gpointer) Accessibility_STATE_OPAQUE); |
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311 | if (atk_state_set_contains_state (set, ATK_STATE_PRESSED)) |
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312 | states = g_slist_append (states, (gpointer) Accessibility_STATE_PRESSED); |
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313 | if (atk_state_set_contains_state (set, ATK_STATE_RESIZABLE)) |
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314 | states = g_slist_append (states, (gpointer) Accessibility_STATE_RESIZABLE); |
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315 | if (atk_state_set_contains_state (set, ATK_STATE_SELECTABLE)) |
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316 | states = g_slist_append (states, (gpointer) Accessibility_STATE_SELECTABLE); |
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317 | if (atk_state_set_contains_state (set, ATK_STATE_SELECTED)) |
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318 | states = g_slist_append (states, (gpointer) Accessibility_STATE_SELECTED); |
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319 | if (atk_state_set_contains_state (set, ATK_STATE_SENSITIVE)) |
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320 | states = g_slist_append (states, (gpointer) Accessibility_STATE_SENSITIVE); |
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321 | if (atk_state_set_contains_state (set, ATK_STATE_SHOWING)) |
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322 | states = g_slist_append (states, (gpointer) Accessibility_STATE_SHOWING); |
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323 | if (atk_state_set_contains_state (set, ATK_STATE_SINGLE_LINE)) |
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324 | states = g_slist_append (states, (gpointer) Accessibility_STATE_SINGLE_LINE); |
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325 | if (atk_state_set_contains_state (set, ATK_STATE_STALE)) |
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326 | states = g_slist_append (states, (gpointer) Accessibility_STATE_STALE); |
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327 | if (atk_state_set_contains_state (set, ATK_STATE_TRANSIENT)) |
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328 | states = g_slist_append (states, (gpointer) Accessibility_STATE_TRANSIENT); |
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329 | if (atk_state_set_contains_state (set, ATK_STATE_VERTICAL)) |
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330 | states = g_slist_append (states, (gpointer) Accessibility_STATE_VERTICAL); |
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331 | if (atk_state_set_contains_state (set, ATK_STATE_VISIBLE)) |
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332 | states = g_slist_append (states, (gpointer) Accessibility_STATE_VISIBLE); |
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333 | |
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334 | rv = Accessibility_StateSeq__alloc (); |
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335 | rv->_length = rv->_maximum = g_slist_length (states); |
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336 | rv->_buffer = Accessibility_StateSeq_allocbuf (rv->_length); |
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337 | tmp = states; |
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338 | while (tmp) |
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339 | { |
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340 | rv->_buffer[i++] = (Accessibility_StateType) tmp->data; |
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341 | tmp = tmp->next; |
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342 | } |
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343 | g_slist_free (states); |
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344 | return rv; |
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345 | } |
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346 | |
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347 | |
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348 | |
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349 | static void |
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350 | spi_state_set_class_init (SpiStateSetClass *klass) |
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351 | { |
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352 | POA_Accessibility_StateSet__epv *epv = &klass->epv; |
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353 | |
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354 | spi_init_state_type_tables (); |
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355 | epv->contains = impl_contains; |
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356 | epv->add = impl_add; |
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357 | epv->remove = impl_remove; |
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358 | epv->equals = impl_equals; |
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359 | epv->compare = impl_compare; |
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360 | epv->isEmpty = impl_isEmpty; |
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361 | epv->getStates = impl_getStates; |
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362 | } |
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363 | |
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364 | |
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365 | static void |
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366 | spi_state_set_init (SpiStateSet *set) |
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367 | { |
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368 | } |
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369 | |
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370 | |
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371 | BONOBO_TYPE_FUNC_FULL (SpiStateSet, |
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372 | Accessibility_StateSet, |
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373 | SPI_TYPE_BASE, |
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374 | spi_state_set); |
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