Mercurial > projects > dwt-mac
annotate dwt/widgets/Menu.d @ 18:b55912b6771e
Ported dwt.widgets.Menu
author | Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> |
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date | Fri, 29 Aug 2008 22:20:53 +0200 |
parents | a9ab4c738ed8 |
children | fba856099f87 |
rev | line source |
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1 /******************************************************************************* |
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2 * Copyright (c) 2000, 2007 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 * |
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11 * Port to the D programming language: |
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12 * Jacob Carlborg <jacob.carlborg@gmail.com> |
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13 *******************************************************************************/ |
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14 module dwt.widgets.Menu; |
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15 |
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16 import dwt.dwthelper.utils; |
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17 |
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18 |
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19 import dwt.DWT; |
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20 import dwt.DWTException; |
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21 import dwt.events.HelpListener; |
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22 import dwt.events.MenuListener; |
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23 import dwt.graphics.Point; |
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24 import dwt.internal.cocoa.NSEvent; |
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25 import dwt.internal.cocoa.NSMenu; |
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26 import dwt.internal.cocoa.NSMenuItem; |
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27 import dwt.internal.cocoa.NSPoint; |
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28 import dwt.internal.cocoa.NSString; |
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29 import dwt.internal.cocoa.NSView; |
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30 import dwt.internal.cocoa.NSWindow; |
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31 import dwt.internal.cocoa.OS; |
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32 import dwt.internal.cocoa.SWTMenu; |
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33 import dwt.internal.cocoa.SWTMenuItem; |
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34 |
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35 import dwt.dwthelper.System; |
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36 import dwt.dwthelper.utils; |
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37 import dwt.internal.cocoa.NSInteger; |
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38 import dwt.widgets.ImageList; |
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39 import dwt.widgets.TypedListener; |
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40 import dwt.widgets.Event; |
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41 import dwt.widgets.MenuItem; |
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42 import dwt.widgets.Widget; |
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43 import dwt.widgets.Control; |
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44 import dwt.widgets.Decorations; |
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45 import dwt.widgets.Shell; |
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46 |
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47 /** |
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48 * Instances of this class are user interface objects that contain |
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49 * menu items. |
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50 * <dl> |
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51 * <dt><b>Styles:</b></dt> |
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52 * <dd>BAR, DROP_DOWN, POP_UP, NO_RADIO_GROUP</dd> |
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53 * <dd>LEFT_TO_RIGHT, RIGHT_TO_LEFT</dd> |
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54 * <dt><b>Events:</b></dt> |
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55 * <dd>Help, Hide, Show </dd> |
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56 * </dl> |
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57 * <p> |
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58 * Note: Only one of BAR, DROP_DOWN and POP_UP may be specified. |
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59 * Only one of LEFT_TO_RIGHT or RIGHT_TO_LEFT may be specified. |
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60 * </p><p> |
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61 * IMPORTANT: This class is <em>not</em> intended to be subclassed. |
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62 * </p> |
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63 */ |
3 | 64 public class Menu : Widget { |
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65 /** |
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66 * the handle to the OS resource |
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67 * (Warning: This field is platform dependent) |
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68 * <p> |
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69 * <b>IMPORTANT:</b> This field is <em>not</em> part of the DWT |
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70 * public API. It is marked public only so that it can be shared |
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71 * within the packages provided by DWT. It is not available on all |
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72 * platforms and should never be accessed from application code. |
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73 * </p> |
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74 */ |
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75 NSMenu nsMenu; |
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76 short id; |
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77 int x, y, itemCount; |
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78 // int width, height; |
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79 bool hasLocation, modified, closed; |
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80 MenuItem [] items; |
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81 MenuItem cascade, defaultItem, lastTarget; |
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82 Decorations parent; |
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83 |
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84 /** |
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85 * Constructs a new instance of this class given its parent, |
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86 * and sets the style for the instance so that the instance |
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87 * will be a popup menu on the given parent's shell. |
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88 * |
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89 * @param parent a control which will be the parent of the new instance (cannot be null) |
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90 * |
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91 * @exception IllegalArgumentException <ul> |
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92 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> |
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93 * </ul> |
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94 * @exception DWTException <ul> |
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95 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> |
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96 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> |
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97 * </ul> |
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98 * |
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99 * @see DWT#POP_UP |
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100 * @see Widget#checkSubclass |
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101 * @see Widget#getStyle |
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102 */ |
5 | 103 public this (Control parent) { |
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104 this (checkNull (parent).menuShell (), DWT.POP_UP); |
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105 } |
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106 |
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107 /** |
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108 * Constructs a new instance of this class given its parent |
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109 * (which must be a <code>Decorations</code>) and a style value |
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110 * describing its behavior and appearance. |
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111 * <p> |
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112 * The style value is either one of the style constants defined in |
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113 * class <code>DWT</code> which is applicable to instances of this |
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114 * class, or must be built by <em>bitwise OR</em>'ing together |
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115 * (that is, using the <code>int</code> "|" operator) two or more |
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116 * of those <code>DWT</code> style constants. The class description |
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117 * lists the style constants that are applicable to the class. |
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118 * Style bits are also inherited from superclasses. |
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119 * </p> |
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120 * |
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121 * @param parent a decorations control which will be the parent of the new instance (cannot be null) |
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122 * @param style the style of menu to construct |
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123 * |
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124 * @exception IllegalArgumentException <ul> |
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125 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> |
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126 * </ul> |
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127 * @exception DWTException <ul> |
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128 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> |
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129 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> |
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130 * </ul> |
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131 * |
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132 * @see DWT#BAR |
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133 * @see DWT#DROP_DOWN |
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134 * @see DWT#POP_UP |
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135 * @see Widget#checkSubclass |
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136 * @see Widget#getStyle |
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137 */ |
5 | 138 public this (Decorations parent, int style) { |
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139 super (parent, checkStyle (style)); |
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140 this.parent = parent; |
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141 createWidget (); |
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142 } |
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143 |
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144 /** |
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145 * Constructs a new instance of this class given its parent |
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146 * (which must be a <code>Menu</code>) and sets the style |
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147 * for the instance so that the instance will be a drop-down |
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148 * menu on the given parent's parent. |
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149 * |
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150 * @param parentMenu a menu which will be the parent of the new instance (cannot be null) |
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151 * |
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152 * @exception IllegalArgumentException <ul> |
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153 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> |
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154 * </ul> |
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155 * @exception DWTException <ul> |
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156 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> |
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157 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> |
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158 * </ul> |
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159 * |
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160 * @see DWT#DROP_DOWN |
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161 * @see Widget#checkSubclass |
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162 * @see Widget#getStyle |
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163 */ |
5 | 164 public this (Menu parentMenu) { |
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165 this (checkNull (parentMenu).parent, DWT.DROP_DOWN); |
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166 } |
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167 |
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168 /** |
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169 * Constructs a new instance of this class given its parent |
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170 * (which must be a <code>MenuItem</code>) and sets the style |
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171 * for the instance so that the instance will be a drop-down |
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172 * menu on the given parent's parent menu. |
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173 * |
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174 * @param parentItem a menu item which will be the parent of the new instance (cannot be null) |
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175 * |
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176 * @exception IllegalArgumentException <ul> |
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177 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> |
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178 * </ul> |
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179 * @exception DWTException <ul> |
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180 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> |
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181 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> |
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182 * </ul> |
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183 * |
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184 * @see DWT#DROP_DOWN |
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185 * @see Widget#checkSubclass |
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186 * @see Widget#getStyle |
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187 */ |
5 | 188 public this (MenuItem parentItem) { |
0
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189 this (checkNull (parentItem).parent); |
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190 } |
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191 |
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192 static Control checkNull (Control control) { |
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193 if (control is null) DWT.error (DWT.ERROR_NULL_ARGUMENT); |
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194 return control; |
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195 } |
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196 |
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197 static Menu checkNull (Menu menu) { |
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198 if (menu is null) DWT.error (DWT.ERROR_NULL_ARGUMENT); |
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199 return menu; |
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200 } |
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201 |
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202 static MenuItem checkNull (MenuItem item) { |
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203 if (item is null) DWT.error (DWT.ERROR_NULL_ARGUMENT); |
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204 return item; |
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205 } |
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206 |
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207 static int checkStyle (int style) { |
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208 return checkBits (style, DWT.POP_UP, DWT.BAR, DWT.DROP_DOWN, 0, 0, 0); |
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209 } |
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210 |
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211 void _setVisible (bool visible) { |
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212 if ((style & (DWT.BAR | DWT.DROP_DOWN)) !is 0) return; |
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213 if (visible) { |
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214 Shell shell = getShell (); |
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215 NSWindow window = shell.window; |
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216 NSPoint location; |
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217 if (hasLocation) { |
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218 NSView topView = window.contentView(); |
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219 Point shellCoord = display.map(null, shell, new Point(x,y)); |
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220 location = NSPoint (); |
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221 location.x = shellCoord.x; |
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222 location.y = topView.frame().height - shellCoord.y; |
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223 } else { |
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224 location = window.mouseLocationOutsideOfEventStream(); |
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225 } |
7 | 226 NSEvent nsEvent = NSEvent.otherEventWithType(OS.NSApplicationDefined, location, 0, 0.0, window.windowNumber(), window.graphicsContext(), cast(short)0, 0, 0); |
0
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227 NSMenu.static_popUpContextMenu_withEvent_forView_ (nsMenu, nsEvent, shell.view); |
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228 } else { |
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229 nsMenu.cancelTracking (); |
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230 } |
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231 } |
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232 |
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233 /** |
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234 * Adds the listener to the collection of listeners who will |
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235 * be notified when help events are generated for the control, |
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236 * by sending it one of the messages defined in the |
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237 * <code>HelpListener</code> interface. |
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238 * |
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239 * @param listener the listener which should be notified |
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240 * |
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241 * @exception IllegalArgumentException <ul> |
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242 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
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243 * </ul> |
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244 * @exception DWTException <ul> |
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245 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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246 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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247 * </ul> |
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248 * |
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249 * @see HelpListener |
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250 * @see #removeHelpListener |
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251 */ |
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252 public void addHelpListener (HelpListener listener) { |
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253 checkWidget (); |
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254 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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255 TypedListener typedListener = new TypedListener (listener); |
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256 addListener (DWT.Help, typedListener); |
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257 } |
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258 |
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259 /** |
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260 * Adds the listener to the collection of listeners who will |
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261 * be notified when menus are hidden or shown, by sending it |
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262 * one of the messages defined in the <code>MenuListener</code> |
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263 * interface. |
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264 * |
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265 * @param listener the listener which should be notified |
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266 * |
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267 * @exception IllegalArgumentException <ul> |
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268 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
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269 * </ul> |
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270 * @exception DWTException <ul> |
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271 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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272 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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273 * </ul> |
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274 * |
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275 * @see MenuListener |
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276 * @see #removeMenuListener |
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277 */ |
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278 public void addMenuListener (MenuListener listener) { |
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279 checkWidget (); |
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280 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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281 TypedListener typedListener = new TypedListener (listener); |
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282 addListener (DWT.Hide,typedListener); |
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283 addListener (DWT.Show,typedListener); |
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284 } |
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285 |
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286 void createHandle () { |
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287 // display.addMenu (this); |
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288 SWTMenu widget = cast(SWTMenu)(new SWTMenu()).alloc(); |
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289 widget.initWithTitle(NSString.stringWith("")); |
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290 widget.setAutoenablesItems(false); |
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291 widget.setTag(jniRef); |
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292 widget.setDelegate(widget); |
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293 nsMenu = widget; |
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294 } |
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295 |
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296 void createItem (MenuItem item, int index) { |
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297 checkWidget (); |
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298 if (!(0 <= index && index <= itemCount)) error (DWT.ERROR_INVALID_RANGE); |
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299 NSMenuItem nsItem = null; |
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300 if ((item.style & DWT.SEPARATOR) !is 0) { |
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301 nsItem = NSMenuItem.separatorItem(); |
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302 nsItem.retain(); |
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303 } else { |
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304 nsItem = cast(NSMenuItem)(new SWTMenuItem()).alloc(); |
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305 nsItem.initWithTitle(NSString.stringWith(""), null, NSString.stringWith("")); |
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306 nsItem.setTarget(nsItem); |
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307 nsItem.setAction(OS.sel_sendSelection); |
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308 //item.createJNIRef(); |
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309 nsItem.setTag(item.jniRef); |
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310 } |
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311 item.nsItem = nsItem; |
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312 nsMenu.insertItem(nsItem, index); |
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313 if (itemCount is items.length) { |
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314 MenuItem [] newItems = new MenuItem [items.length + 4]; |
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315 System.arraycopy (items, 0, newItems, 0, items.length); |
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316 items = newItems; |
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317 } |
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318 System.arraycopy (items, index, items, index + 1, itemCount++ - index); |
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319 items [index] = item; |
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320 |
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321 NSMenu emptyMenu = item.createEmptyMenu (); |
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322 if (emptyMenu !is null) { |
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323 item.nsItem.setSubmenu (emptyMenu); |
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324 } |
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325 } |
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326 |
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327 void createWidget () { |
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328 checkOrientation (parent); |
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329 super.createWidget (); |
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330 items = new MenuItem [4]; |
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331 } |
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332 |
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333 void destroyItem (MenuItem item) { |
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334 int index = 0; |
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335 while (index < itemCount) { |
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336 if (items [index] is item) break; |
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337 index++; |
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338 } |
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339 if (index is itemCount) return; |
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340 System.arraycopy (items, index + 1, items, index, --itemCount - index); |
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341 items [itemCount] = null; |
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342 if (itemCount is 0) items = new MenuItem [4]; |
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343 nsMenu.removeItem (item.nsItem); |
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344 } |
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345 |
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346 void destroyWidget () { |
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347 NSMenu nsMenu = this.nsMenu; |
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348 releaseHandle (); |
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349 if (nsMenu !is null) { |
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350 nsMenu.release(); |
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351 } |
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352 } |
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353 |
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354 void fixMenus (Decorations newParent) { |
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355 this.parent = newParent; |
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356 } |
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357 |
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358 /** |
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359 * Returns the default menu item or null if none has |
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360 * been previously set. |
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361 * |
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362 * @return the default menu item. |
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363 * |
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364 * </ul> |
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365 * @exception DWTException <ul> |
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366 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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367 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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368 * </ul> |
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369 */ |
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370 public MenuItem getDefaultItem () { |
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371 checkWidget(); |
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372 return defaultItem; |
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373 } |
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374 |
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375 /** |
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376 * Returns <code>true</code> if the receiver is enabled, and |
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377 * <code>false</code> otherwise. A disabled menu is typically |
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378 * not selectable from the user interface and draws with an |
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379 * inactive or "grayed" look. |
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380 * |
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381 * @return the receiver's enabled state |
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382 * |
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383 * @exception DWTException <ul> |
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384 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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385 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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386 * </ul> |
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387 * |
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388 * @see #isEnabled |
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389 */ |
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390 public bool getEnabled () { |
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391 checkWidget(); |
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392 return (state & DISABLED) is 0; |
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393 } |
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394 |
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395 /** |
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396 * Returns the item at the given, zero-relative index in the |
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397 * receiver. Throws an exception if the index is out of range. |
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398 * |
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399 * @param index the index of the item to return |
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400 * @return the item at the given index |
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401 * |
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402 * @exception IllegalArgumentException <ul> |
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403 * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> |
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404 * </ul> |
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405 * @exception DWTException <ul> |
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406 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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407 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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408 * </ul> |
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409 */ |
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410 public MenuItem getItem (int index) { |
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411 checkWidget (); |
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412 if (!(0 <= index && index < itemCount)) error (DWT.ERROR_INVALID_RANGE); |
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413 return items [index]; |
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414 } |
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415 |
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416 /** |
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417 * Returns the number of items contained in the receiver. |
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418 * |
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419 * @return the number of items |
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420 * |
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421 * @exception DWTException <ul> |
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422 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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423 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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424 * </ul> |
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425 */ |
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426 public int getItemCount () { |
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427 checkWidget (); |
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428 return itemCount; |
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429 } |
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430 |
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431 /** |
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432 * Returns a (possibly empty) array of <code>MenuItem</code>s which |
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433 * are the items in the receiver. |
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434 * <p> |
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435 * Note: This is not the actual structure used by the receiver |
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436 * to maintain its list of items, so modifying the array will |
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437 * not affect the receiver. |
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438 * </p> |
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439 * |
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440 * @return the items in the receiver |
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441 * |
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442 * @exception DWTException <ul> |
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443 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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444 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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445 * </ul> |
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446 */ |
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447 public MenuItem [] getItems () { |
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448 checkWidget (); |
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449 MenuItem [] result = new MenuItem [itemCount]; |
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450 int index = 0; |
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451 if (items !is null) { |
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452 for (int i = 0; i < itemCount; i++) { |
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453 MenuItem item = items [i]; |
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454 if (item !is null && !item.isDisposed ()) { |
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455 result [index++] = item; |
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456 } |
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457 } |
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458 } |
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459 if (index !is result.length) { |
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460 MenuItem [] newItems = new MenuItem[index]; |
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461 System.arraycopy(result, 0, newItems, 0, index); |
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462 result = newItems; |
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463 } |
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464 return result; |
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465 } |
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466 |
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467 String getNameText () { |
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468 String result = ""; |
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469 MenuItem [] items = getItems (); |
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470 int length = items.length; |
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471 if (length > 0) { |
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472 for (int i=0; i<length-1; i++) { |
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473 result = result + items [i].getNameText() + ", "; |
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474 } |
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475 result = result + items [length-1].getNameText (); |
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476 } |
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477 return result; |
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478 } |
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479 |
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480 /** |
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481 * Returns the receiver's parent, which must be a <code>Decorations</code>. |
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482 * |
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483 * @return the receiver's parent |
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484 * |
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485 * @exception DWTException <ul> |
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486 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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487 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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488 * </ul> |
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489 */ |
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490 public Decorations getParent () { |
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491 checkWidget (); |
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492 return parent; |
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493 } |
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494 |
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495 /** |
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496 * Returns the receiver's parent item, which must be a |
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497 * <code>MenuItem</code> or null when the receiver is a |
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498 * root. |
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499 * |
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500 * @return the receiver's parent item |
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501 * |
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502 * @exception DWTException <ul> |
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503 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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504 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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505 * </ul> |
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506 */ |
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507 public MenuItem getParentItem () { |
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508 checkWidget (); |
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509 return cascade; |
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510 } |
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511 |
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512 /** |
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513 * Returns the receiver's parent item, which must be a |
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514 * <code>Menu</code> or null when the receiver is a |
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515 * root. |
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516 * |
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517 * @return the receiver's parent item |
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518 * |
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519 * @exception DWTException <ul> |
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520 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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521 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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522 * </ul> |
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523 */ |
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524 public Menu getParentMenu () { |
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525 checkWidget (); |
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526 if (cascade !is null) return cascade.parent; |
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527 return null; |
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528 } |
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529 |
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530 /** |
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531 * Returns the receiver's shell. For all controls other than |
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532 * shells, this simply returns the control's nearest ancestor |
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533 * shell. Shells return themselves, even if they are children |
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534 * of other shells. |
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535 * |
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536 * @return the receiver's shell |
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537 * |
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538 * @exception DWTException <ul> |
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539 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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540 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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541 * </ul> |
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542 * |
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543 * @see #getParent |
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544 */ |
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|
545 public Shell getShell () { |
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546 checkWidget (); |
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547 return parent.getShell (); |
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548 } |
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|
549 |
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|
550 /** |
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551 * Returns <code>true</code> if the receiver is visible, and |
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552 * <code>false</code> otherwise. |
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553 * <p> |
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554 * If one of the receiver's ancestors is not visible or some |
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555 * other condition makes the receiver not visible, this method |
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556 * may still indicate that it is considered visible even though |
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557 * it may not actually be showing. |
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558 * </p> |
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559 * |
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560 * @return the receiver's visibility state |
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561 * |
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|
562 * @exception DWTException <ul> |
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563 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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564 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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565 * </ul> |
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|
566 */ |
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|
567 public bool getVisible () { |
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|
568 checkWidget (); |
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|
569 if ((style & DWT.BAR) !is 0) { |
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570 return this is parent.menuShell ().menuBar; |
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|
571 } |
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|
572 if ((style & DWT.POP_UP) !is 0) { |
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|
573 // Menu [] popups = display.popups; |
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574 // if (popups is null) return false; |
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575 // for (int i=0; i<popups.length; i++) { |
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576 // if (popups [i] is this) return true; |
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|
577 // } |
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|
578 } |
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|
579 // MenuTrackingData outData = new MenuTrackingData (); |
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580 // return OS.GetMenuTrackingData (handle, outData) is OS.noErr; |
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|
581 return false; |
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|
582 } |
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583 |
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584 |
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585 /** |
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586 * Searches the receiver's list starting at the first item |
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587 * (index 0) until an item is found that is equal to the |
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588 * argument, and returns the index of that item. If no item |
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589 * is found, returns -1. |
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590 * |
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591 * @param item the search item |
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592 * @return the index of the item |
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593 * |
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594 * @exception IllegalArgumentException <ul> |
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595 * <li>ERROR_NULL_ARGUMENT - if the item is null</li> |
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596 * </ul> |
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597 * @exception DWTException <ul> |
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598 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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599 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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600 * </ul> |
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601 */ |
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602 public int indexOf (MenuItem item) { |
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603 checkWidget (); |
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604 if (item is null) error (DWT.ERROR_NULL_ARGUMENT); |
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605 for (int i=0; i<itemCount; i++) { |
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606 if (items [i] is item) return i; |
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607 } |
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608 return -1; |
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609 } |
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610 |
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611 /** |
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612 * Returns <code>true</code> if the receiver is enabled and all |
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613 * of the receiver's ancestors are enabled, and <code>false</code> |
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614 * otherwise. A disabled menu is typically not selectable from the |
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615 * user interface and draws with an inactive or "grayed" look. |
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616 * |
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617 * @return the receiver's enabled state |
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618 * |
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619 * @exception DWTException <ul> |
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620 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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621 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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622 * </ul> |
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623 * |
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624 * @see #getEnabled |
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625 */ |
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626 public bool isEnabled () { |
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627 checkWidget (); |
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628 Menu parentMenu = getParentMenu (); |
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629 if (parentMenu is null) { |
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630 return getEnabled () && parent.isEnabled (); |
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631 } |
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632 return getEnabled () && parentMenu.isEnabled (); |
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633 } |
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634 |
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635 /** |
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636 * Returns <code>true</code> if the receiver is visible and all |
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637 * of the receiver's ancestors are visible and <code>false</code> |
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638 * otherwise. |
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639 * |
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640 * @return the receiver's visibility state |
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641 * |
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642 * @exception DWTException <ul> |
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643 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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644 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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645 * </ul> |
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646 * |
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647 * @see #getVisible |
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648 */ |
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649 public bool isVisible () { |
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650 checkWidget (); |
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651 return getVisible (); |
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652 } |
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653 |
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654 void menu_willHighlightItem(int menu, int itemID) { |
18
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655 NSInteger jniRef = cast(NSInteger) OS.objc_msgSend(itemID, OS.sel_tag); |
0
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656 if (jniRef !is -1 && jniRef !is 0) { |
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657 Object object = OS.JNIGetObject(jniRef); |
8 | 658 if ( null !is cast(MenuItem)object ) { |
7 | 659 MenuItem item = cast(MenuItem)object; |
0
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660 item.sendEvent (DWT.Arm); |
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661 } |
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662 } |
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663 } |
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664 |
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665 void menuNeedsUpdate(int menu) { |
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666 sendEvent (DWT.Show); |
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667 } |
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668 |
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669 void menuWillClose(int menu) { |
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670 sendEvent (DWT.Hide); |
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671 } |
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672 |
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673 void menuWillOpen(int menu) { |
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674 } |
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675 |
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676 int modifierIndex (String accelText) { |
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677 int start = accelText.length () - 1; |
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678 int index = start; |
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679 while (index >= 0) { |
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680 char c = accelText.charAt (index); |
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681 switch (c) { |
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682 case ' ': |
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683 if (index !is start) return index; |
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684 break; |
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685 case '\u2303': |
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686 case '\u2325': |
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687 case '\u21E7': |
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688 case '\u2318': |
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689 return index; |
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690 } |
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691 index--; |
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692 } |
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693 return -1; |
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694 } |
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695 |
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696 int numberOfItemsInMenu(int menu) { |
18
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697 System.Out.println("numver"); |
0
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698 return 4; |
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699 } |
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|
700 |
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|
701 void releaseChildren (bool destroy) { |
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702 if (items !is null) { |
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703 for (int i=0; i<items.length; i++) { |
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704 MenuItem item = items [i]; |
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705 if (item !is null && !item.isDisposed ()) { |
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706 item.release (false); |
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707 } |
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|
708 } |
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709 items = null; |
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710 } |
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711 super.releaseChildren (destroy); |
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712 } |
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713 |
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714 void releaseHandle () { |
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715 super.releaseHandle (); |
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716 nsMenu = null; |
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717 } |
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718 |
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719 void releaseParent () { |
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720 super.releaseParent (); |
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721 if (cascade !is null) cascade.setMenu (null); |
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722 if ((style & DWT.BAR) !is 0 && this is parent.menuBar) { |
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723 parent.setMenuBar (null); |
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724 } |
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725 } |
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726 |
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727 void releaseWidget () { |
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728 super.releaseWidget (); |
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729 // display.removeMenu (this); |
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730 parent = null; |
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731 cascade = defaultItem = lastTarget = null; |
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732 } |
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733 |
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|
734 /** |
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735 * Removes the listener from the collection of listeners who will |
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736 * be notified when the help events are generated for the control. |
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737 * |
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738 * @param listener the listener which should no longer be notified |
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739 * |
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parents:
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740 * @exception IllegalArgumentException <ul> |
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741 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
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742 * </ul> |
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743 * @exception DWTException <ul> |
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744 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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745 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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746 * </ul> |
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747 * |
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748 * @see HelpListener |
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749 * @see #addHelpListener |
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750 */ |
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|
751 public void removeHelpListener (HelpListener listener) { |
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752 checkWidget (); |
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753 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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754 if (eventTable is null) return; |
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755 eventTable.unhook (DWT.Help, listener); |
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|
756 } |
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changeset
|
757 |
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parents:
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changeset
|
758 /** |
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|
759 * Removes the listener from the collection of listeners who will |
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760 * be notified when the menu events are generated for the control. |
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changeset
|
761 * |
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|
762 * @param listener the listener which should no longer be notified |
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changeset
|
763 * |
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|
764 * @exception IllegalArgumentException <ul> |
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|
765 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
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|
766 * </ul> |
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|
767 * @exception DWTException <ul> |
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768 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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|
769 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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770 * </ul> |
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changeset
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771 * |
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parents:
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changeset
|
772 * @see MenuListener |
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changeset
|
773 * @see #addMenuListener |
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|
774 */ |
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|
775 public void removeMenuListener (MenuListener listener) { |
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|
776 checkWidget (); |
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changeset
|
777 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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|
778 if (eventTable is null) return; |
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|
779 eventTable.unhook (DWT.Hide, listener); |
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|
780 eventTable.unhook (DWT.Show, listener); |
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|
781 } |
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|
782 |
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changeset
|
783 /** |
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|
784 * Sets the default menu item to the argument or removes |
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785 * the default emphasis when the argument is <code>null</code>. |
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changeset
|
786 * |
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|
787 * @param item the default menu item or null |
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|
788 * |
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|
789 * @exception IllegalArgumentException <ul> |
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|
790 * <li>ERROR_INVALID_ARGUMENT - if the menu item has been disposed</li> |
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|
791 * </ul> |
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|
792 * @exception DWTException <ul> |
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|
793 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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|
794 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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|
795 * </ul> |
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|
796 */ |
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|
797 public void setDefaultItem (MenuItem item) { |
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|
798 checkWidget(); |
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|
799 if (item !is null && item.isDisposed()) error(DWT.ERROR_INVALID_ARGUMENT); |
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changeset
|
800 defaultItem = item; |
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|
801 } |
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|
802 |
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parents:
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changeset
|
803 /** |
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|
804 * Enables the receiver if the argument is <code>true</code>, |
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805 * and disables it otherwise. A disabled menu is typically |
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|
806 * not selectable from the user interface and draws with an |
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|
807 * inactive or "grayed" look. |
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changeset
|
808 * |
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parents:
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|
809 * @param enabled the new enabled state |
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changeset
|
810 * |
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|
811 * @exception DWTException <ul> |
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changeset
|
812 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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parents:
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|
813 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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|
814 * </ul> |
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diff
changeset
|
815 */ |
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|
816 public void setEnabled (bool enabled) { |
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changeset
|
817 checkWidget(); |
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parents:
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changeset
|
818 if (enabled) { |
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819 state &= ~DISABLED; |
7 | 820 //OS.EnableMenuItem (handle, cast(short)0); |
0
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821 } else { |
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822 state |= DISABLED; |
7 | 823 //OS.DisableMenuItem (handle, cast(short)0); |
0
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824 } |
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825 } |
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826 |
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827 /** |
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828 * Sets the location of the receiver, which must be a popup, |
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829 * to the point specified by the arguments which are relative |
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830 * to the display. |
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831 * <p> |
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832 * Note that this is different from most widgets where the |
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833 * location of the widget is relative to the parent. |
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834 * </p><p> |
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835 * Note that the platform window manager ultimately has control |
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836 * over the location of popup menus. |
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837 * </p> |
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838 * |
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839 * @param x the new x coordinate for the receiver |
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840 * @param y the new y coordinate for the receiver |
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841 * |
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842 * @exception DWTException <ul> |
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843 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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844 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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845 * </ul> |
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846 */ |
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847 public void setLocation (int x, int y) { |
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848 checkWidget (); |
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849 this.x = x; |
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850 this.y = y; |
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851 hasLocation = true; |
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852 } |
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853 |
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854 /** |
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855 * Sets the location of the receiver, which must be a popup, |
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856 * to the point specified by the argument which is relative |
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857 * to the display. |
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858 * <p> |
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859 * Note that this is different from most widgets where the |
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860 * location of the widget is relative to the parent. |
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861 * </p><p> |
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862 * Note that the platform window manager ultimately has control |
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863 * over the location of popup menus. |
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864 * </p> |
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865 * |
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866 * @param location the new location for the receiver |
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867 * |
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868 * @exception IllegalArgumentException <ul> |
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869 * <li>ERROR_NULL_ARGUMENT - if the point is null</li> |
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870 * </ul> |
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871 * @exception DWTException <ul> |
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872 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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873 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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874 * </ul> |
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875 * |
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876 * @since 2.1 |
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877 */ |
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878 public void setLocation (Point location) { |
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879 checkWidget (); |
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880 if (location is null) error (DWT.ERROR_NULL_ARGUMENT); |
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881 setLocation (location.x, location.y); |
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882 } |
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883 |
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884 /** |
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885 * Marks the receiver as visible if the argument is <code>true</code>, |
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886 * and marks it invisible otherwise. |
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887 * <p> |
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888 * If one of the receiver's ancestors is not visible or some |
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889 * other condition makes the receiver not visible, marking |
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890 * it visible may not actually cause it to be displayed. |
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891 * </p> |
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892 * |
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893 * @param visible the new visibility state |
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894 * |
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895 * @exception DWTException <ul> |
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896 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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897 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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898 * </ul> |
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899 */ |
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900 public void setVisible (bool visible) { |
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901 checkWidget (); |
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902 if ((style & (DWT.BAR | DWT.DROP_DOWN)) !is 0) return; |
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903 if (visible) { |
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904 // display.addPopup (this); |
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905 //TODO -WRONG |
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906 _setVisible (true); |
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907 } else { |
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908 // display.removePopup (this); |
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909 _setVisible (false); |
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|
910 } |
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911 } |
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912 |
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913 } |