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annotate dwt/custom/CTabFolder2Listener.d @ 311:02332a154347

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Improved Listeners access functions.
author Frank Benoit <benoit@tionex.de>
date Tue, 16 Sep 2008 15:19:38 +0200
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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2004 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 * Port to the D programming language:
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11 * Frank Benoit <benoit@tionex.de>
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12 *******************************************************************************/
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13 module dwt.custom.CTabFolder2Listener;
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14
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15 import dwt.internal.DWTEventListener;
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16 import dwt.custom.CTabFolderEvent;
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17
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18 import tango.core.Traits;
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19 import tango.core.Tuple;
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20
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21 /**
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22 * Classes which implement this interface provide methods
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23 * that deal with the events that are generated by the CTabFolder
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24 * control.
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25 * <p>
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26 * After creating an instance of a class that :
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27 * this interface it can be added to a CTabFolder using the
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28 * <code>addCTabFolder2Listener</code> method and removed using
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29 * the <code>removeCTabFolder2Listener</code> method. When
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30 * events occurs in a CTabFolder the appropriate method
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31 * will be invoked.
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32 * </p>
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33 *
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34 * @see CTabFolder2Adapter
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35 * @see CTabFolderEvent
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36 *
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37 * @since 3.0
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38 */
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39 public interface CTabFolder2Listener : DWTEventListener {
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40 public enum {
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41 MINIMIZE,
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42 MAXIMIZE,
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43 SHOWLIST,
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44 RESTORE,
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45 CLOSE
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46 }
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47
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48 /**
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49 * Sent when the user clicks on the close button of an item in the CTabFolder.
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50 * The item being closed is specified in the event.item field.
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51 * Setting the event.doit field to false will stop the CTabItem from closing.
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52 * When the CTabItem is closed, it is disposed. The contents of the
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53 * CTabItem (see CTabItem.setControl) will be made not visible when
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54 * the CTabItem is closed.
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55 *
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56 * @param event an event indicating the item being closed
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57 */
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58 public void close(CTabFolderEvent event);
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59
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60 /**
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61 * Sent when the user clicks on the minimize button of a CTabFolder.
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62 * The state of the CTabFolder does not change automatically - it
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63 * is up to the application to change the state of the CTabFolder
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64 * in response to this event using CTabFolder.setMinimized(true).
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65 *
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66 * @param event an event containing information about the minimize
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67 *
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68 * @see CTabFolder#getMinimized()
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69 * @see CTabFolder#setMinimized(bool)
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70 * @see CTabFolder#setMinimizeVisible(bool)
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71 */
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72 public void minimize(CTabFolderEvent event);
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73
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74 /**
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75 * Sent when the user clicks on the maximize button of a CTabFolder.
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76 * The state of the CTabFolder does not change automatically - it
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77 * is up to the application to change the state of the CTabFolder
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78 * in response to this event using CTabFolder.setMaximized(true).
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79 *
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80 * @param event an event containing information about the maximize
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81 *
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82 * @see CTabFolder#getMaximized()
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83 * @see CTabFolder#setMaximized(bool)
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84 * @see CTabFolder#setMaximizeVisible(bool)
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85 */
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86 public void maximize(CTabFolderEvent event);
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87
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88 /**
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89 * Sent when the user clicks on the restore button of a CTabFolder.
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90 * This event is sent either to restore the CTabFolder from the
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91 * minimized state or from the maximized state. To determine
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92 * which restore is requested, use CTabFolder.getMinimized() or
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93 * CTabFolder.getMaximized() to determine the current state.
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94 * The state of the CTabFolder does not change automatically - it
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95 * is up to the application to change the state of the CTabFolder
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96 * in response to this event using CTabFolder.setMaximized(false)
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97 * or CTabFolder.setMinimized(false).
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98 *
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99 * @param event an event containing information about the restore
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100 *
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101 * @see CTabFolder#getMinimized()
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102 * @see CTabFolder#getMaximized()
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103 * @see CTabFolder#setMinimized(bool)
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104 * @see CTabFolder#setMinimizeVisible(bool)
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105 * @see CTabFolder#setMaximized(bool)
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106 * @see CTabFolder#setMaximizeVisible(bool)
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107 */
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108 public void restore(CTabFolderEvent event);
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109
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110 /**
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111 * Sent when the user clicks on the chevron button of the CTabFolder.
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112 * A chevron appears in the CTabFolder when there are more tabs
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113 * than can be displayed at the current widget size. To select a
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114 * tab that is not currently visible, the user clicks on the
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115 * chevron and selects a tab item from a list. By default, the
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116 * CTabFolder provides a list of all the items that are not currently
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117 * visible, however, the application can provide its own list by setting
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118 * the event.doit field to <code>false</code> and displaying a selection list.
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119 *
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120 * @param event an event containing information about the show list
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121 *
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122 * @see CTabFolder#setSelection(CTabItem)
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123 */
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124 public void showList(CTabFolderEvent event);
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125 }
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126
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127
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128
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129 /// Helper class for the dgListener template function
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130 private class _DgCTabFolder2ListenerT(Dg,T...) : CTabFolder2Listener {
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131
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132 alias ParameterTupleOf!(Dg) DgArgs;
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133 static assert( is(DgArgs == Tuple!(CTabFolderEvent,T)),
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134 "Delegate args not correct: "~DgArgs.stringof~" vs. (Event,"~T.stringof~")" );
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135
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136 Dg dg;
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137 T t;
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138 int type;
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139
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140 private this( int type, Dg dg, T t ){
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141 this.type = type;
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142 this.dg = dg;
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143 static if( T.length > 0 ){
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144 this.t = t;
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145 }
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146 }
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147
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148 void itemClosed( CTabFolderEvent e ){
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149 dg(e,t);
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150 }
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151 public void close(CTabFolderEvent e){
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152 if( type is CTabFolder2Listener.CLOSE ){
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153 dg(e,t);
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154 }
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155 }
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156 public void minimize(CTabFolderEvent e){
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157 if( type is CTabFolder2Listener.MINIMIZE ){
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158 dg(e,t);
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159 }
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160 }
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161 public void maximize(CTabFolderEvent e){
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162 if( type is CTabFolder2Listener.MAXIMIZE ){
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163 dg(e,t);
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164 }
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165 }
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166 public void restore(CTabFolderEvent e){
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167 if( type is CTabFolder2Listener.RESTORE ){
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168 dg(e,t);
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169 }
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170 }
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171 public void showList(CTabFolderEvent e){
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172 if( type is CTabFolder2Listener.SHOWLIST ){
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173 dg(e,t);
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174 }
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175 }
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176 }
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177
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178 /++
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179 + dgListener creates a class implementing the Listener interface and delegating the call to
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180 + handleEvent to the users delegate. This template function will store also additional parameters.
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181 +
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182 + Examle of usage:
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183 + ---
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184 + void handleTextEvent ( Event e, int inset ) {
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185 + // ...
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186 + }
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187 + text.addListener (DWT.FocusOut, dgListener( &handleTextEvent, inset ));
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188 + ---
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189 +/
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190 CTabFolder2Listener dgCTabFolder2Listener( Dg, T... )( int type, Dg dg, T args ){
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191 return new _DgCTabFolder2ListenerT!( Dg, T )( type, dg, args );
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192 }
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193
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194
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195