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annotate dwt/accessibility/Accessible.d @ 37:642f460a0908

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Fixed a lot of compile errors, a "hello world" app compiles now
author Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
date Fri, 10 Oct 2008 12:29:48 +0200
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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2005 IBM Corporation and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * IBM Corporation - initial API and implementation
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10 *
13
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11 * Port to the D programming language:
0
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12 * Jacob Carlborg <jacob.carlborg@gmail.com>
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13 *******************************************************************************/
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14 module dwt.accessibility.Accessible;
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15
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16 import dwt.dwthelper.utils;
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17 import dwt.DWTException;
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18 import dwt.widgets.Control;
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19
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20 import dwt.accessibility.AccessibleListener;
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21 import dwt.accessibility.AccessibleControlListener;
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22 import dwt.accessibility.AccessibleTextListener;
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23
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24 /**
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25 * Instances of this class provide a bridge between application
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26 * code and assistive technology clients. Many platforms provide
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27 * default accessible behavior for most widgets, and this class
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28 * allows that default behavior to be overridden. Applications
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29 * can get the default Accessible object for a control by sending
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30 * it <code>getAccessible</code>, and then add an accessible listener
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31 * to override simple items like the name and help string, or they
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32 * can add an accessible control listener to override complex items.
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33 * As a rule of thumb, an application would only want to use the
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34 * accessible control listener to implement accessibility for a
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35 * custom control.
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36 *
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37 * @see Control#getAccessible
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38 * @see AccessibleListener
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39 * @see AccessibleEvent
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40 * @see AccessibleControlListener
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41 * @see AccessibleControlEvent
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42 *
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43 * @since 2.0
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44 */
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45 public class Accessible {
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46 Control control;
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47
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48 this (Control control) {
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49 this.control = control;
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50 }
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51
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52 /**
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53 * Invokes platform specific functionality to allocate a new accessible object.
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54 * <p>
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55 * <b>IMPORTANT:</b> This method is <em>not</em> part of the public
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56 * API for <code>Accessible</code>. It is marked public only so that it
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57 * can be shared within the packages provided by SWT. It is not
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58 * available on all platforms, and should never be called from
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59 * application code.
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60 * </p>
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61 *
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62 * @param control the control to get the accessible object for
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63 * @return the platform specific accessible object
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64 */
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65 public static Accessible internal_new_Accessible(Control control) {
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66 return new Accessible(control);
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67 }
0
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68
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69 /**
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70 * Adds the listener to the collection of listeners who will
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71 * be notified when an accessible client asks for certain strings,
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72 * such as name, description, help, or keyboard shortcut. The
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73 * listener is notified by sending it one of the messages defined
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74 * in the <code>AccessibleListener</code> interface.
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75 *
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76 * @param listener the listener that should be notified when the receiver
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77 * is asked for a name, description, help, or keyboard shortcut string
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78 *
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79 * @exception IllegalArgumentException <ul>
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80 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
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81 * </ul>
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82 * @exception DWTException <ul>
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83 * <li>ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed</li>
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84 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control</li>
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85 * </ul>
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86 *
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87 * @see AccessibleListener
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88 * @see #removeAccessibleListener
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89 */
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90 public void addAccessibleListener (AccessibleListener listener) {
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91 }
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92
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93 /**
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94 * Removes the listener from the collection of listeners who will
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95 * be notified when an accessible client asks for certain strings,
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96 * such as name, description, help, or keyboard shortcut.
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97 *
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98 * @param listener the listener that should no longer be notified when the receiver
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99 * is asked for a name, description, help, or keyboard shortcut string
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100 *
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101 * @exception IllegalArgumentException <ul>
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102 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
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103 * </ul>
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104 * @exception DWTException <ul>
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105 * <li>ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed</li>
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106 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control</li>
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107 * </ul>
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108 *
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109 * @see AccessibleListener
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110 * @see #addAccessibleListener
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111 */
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112 public void removeAccessibleListener (AccessibleListener listener) {
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113 }
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114
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115 /**
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116 * Adds the listener to the collection of listeners who will
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117 * be notified when an accessible client asks for custom control
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118 * specific information. The listener is notified by sending it
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119 * one of the messages defined in the <code>AccessibleControlListener</code>
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120 * interface.
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121 *
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122 * @param listener the listener that should be notified when the receiver
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123 * is asked for custom control specific information
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124 *
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125 * @exception IllegalArgumentException <ul>
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126 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
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127 * </ul>
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128 * @exception DWTException <ul>
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129 * <li>ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed</li>
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130 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control</li>
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131 * </ul>
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132 *
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133 * @see AccessibleControlListener
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134 * @see #removeAccessibleControlListener
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135 */
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136 public void addAccessibleControlListener (AccessibleControlListener listener) {
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137 }
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138
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139 /**
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140 * Removes the listener from the collection of listeners who will
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141 * be notified when an accessible client asks for custom control
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142 * specific information.
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143 *
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144 * @param listener the listener that should no longer be notified when the receiver
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145 * is asked for custom control specific information
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146 *
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147 * @exception IllegalArgumentException <ul>
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148 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
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149 * </ul>
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150 * @exception DWTException <ul>
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151 * <li>ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed</li>
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152 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control</li>
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153 * </ul>
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154 *
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155 * @see AccessibleControlListener
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156 * @see #addAccessibleControlListener
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157 */
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158 public void removeAccessibleControlListener (AccessibleControlListener listener) {
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159 }
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160
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161 /**
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162 * Adds the listener to the collection of listeners who will
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163 * be notified when an accessible client asks for custom text control
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164 * specific information. The listener is notified by sending it
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165 * one of the messages defined in the <code>AccessibleTextListener</code>
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166 * interface.
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167 *
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168 * @param listener the listener that should be notified when the receiver
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169 * is asked for custom text control specific information
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170 *
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171 * @exception IllegalArgumentException <ul>
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172 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
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173 * </ul>
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174 * @exception DWTException <ul>
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175 * <li>ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed</li>
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176 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control</li>
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177 * </ul>
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178 *
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179 * @see AccessibleTextListener
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180 * @see #removeAccessibleTextListener
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181 *
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182 * @since 3.0
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183 */
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184 public void addAccessibleTextListener (AccessibleTextListener listener) {
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185 }
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186
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187 /**
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188 * Removes the listener from the collection of listeners who will
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189 * be notified when an accessible client asks for custom text control
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190 * specific information.
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191 *
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192 * @param listener the listener that should no longer be notified when the receiver
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193 * is asked for custom text control specific information
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194 *
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195 * @exception IllegalArgumentException <ul>
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196 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
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197 * </ul>
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198 * @exception DWTException <ul>
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199 * <li>ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed</li>
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200 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control</li>
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201 * </ul>
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202 *
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203 * @see AccessibleTextListener
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204 * @see #addAccessibleTextListener
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205 *
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206 * @since 3.0
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207 */
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208 public void removeAccessibleTextListener (AccessibleTextListener listener) {
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209 }
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210
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211 /**
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212 * Returns the control for this Accessible object.
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213 *
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214 * @return the receiver's control
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215 * @since 3.0
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216 */
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217 public Control getControl () {
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218 return control;
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219 }
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220
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221 /**
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222 * Sends a message to accessible clients that the child selection
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223 * within a custom container control has changed.
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224 *
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225 * @exception DWTException <ul>
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226 * <li>ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed</li>
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227 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control</li>
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228 * </ul>
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229 *
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230 * @since 3.0
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231 */
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232 public void selectionChanged () {
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233 }
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234
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235 /**
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236 * Sends a message to accessible clients that the text
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237 * caret has moved within a custom control.
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238 *
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239 * @param index the new caret index within the control
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240 *
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241 * @exception DWTException <ul>
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242 * <li>ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed</li>
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243 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control</li>
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244 * </ul>
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245 *
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246 * @since 3.0
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247 */
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248 public void textCaretMoved (int index) {
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249 }
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250
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251 /**
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252 * Sends a message to accessible clients that the text
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253 * within a custom control has changed.
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254 *
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255 * @param type the type of change, one of <code>ACC.NOTIFY_TEXT_INSERT</code>
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256 * or <code>ACC.NOTIFY_TEXT_DELETE</code>
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257 * @param startIndex the text index within the control where the insertion or deletion begins
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258 * @param length the non-negative length in characters of the insertion or deletion
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259 *
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260 * @exception DWTException <ul>
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261 * <li>ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed</li>
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262 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control</li>
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263 * </ul>
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264 *
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265 * @see ACC#TEXT_INSERT
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266 * @see ACC#TEXT_DELETE
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267 *
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268 * @since 3.0
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269 */
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270 public void textChanged (int type, int startIndex, int length) {
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271 }
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272
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273 /**
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274 * Sends a message to accessible clients that the text
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275 * selection has changed within a custom control.
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276 *
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277 * @exception DWTException <ul>
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278 * <li>ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed</li>
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279 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control</li>
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280 * </ul>
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281 *
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282 * @since 3.0
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283 */
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284 public void textSelectionChanged () {
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285 }
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286
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287 /**
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288 * Sends a message to accessible clients indicating that the focus
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289 * has changed within a custom control.
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290 *
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291 * @param childID an identifier specifying a child of the control
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292 *
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293 * @exception DWTException <ul>
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294 * <li>ERROR_WIDGET_DISPOSED - if the receiver's control has been disposed</li>
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295 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver's control</li>
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296 * </ul>
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297 */
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298 public void setFocus (int childID) {
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299 }
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300
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301 /**
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302 * Invokes platform specific functionality to dispose an accessible object.
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303 * <p>
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304 * <b>IMPORTANT:</b> This method is <em>not</em> part of the public
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305 * API for <code>Accessible</code>. It is marked public only so that it
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306 * can be shared within the packages provided by DWT. It is not
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307 * available on all platforms, and should never be called from
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308 * application code.
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309 * </p>
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310 */
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311 public void internal_dispose_Accessible () {
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312 }
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313
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314 /**
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315 * Invokes platform specific functionality to handle a window message.
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316 * <p>
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317 * <b>IMPORTANT:</b> This method is <em>not</em> part of the public
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318 * API for <code>Accessible</code>. It is marked public only so that it
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319 * can be shared within the packages provided by DWT. It is not
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320 * available on all platforms, and should never be called from
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321 * application code.
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322 * </p>
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323 */
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324 public int internal_WM_GETOBJECT (int wParam, int lParam) {
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325 return 0;
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326 }
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327 }