Mercurial > projects > dwt-mac
annotate dwt/widgets/MenuItem.d @ 35:7d135fe0caf2
Ported dwt.graphics.Cursor and dwt.widgets.MenuItem
author | Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> |
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date | Sun, 14 Sep 2008 23:32:29 +0200 |
parents | e831403a80a9 |
children | 642f460a0908 |
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 |
35
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10 * |
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Ported dwt.graphics.Cursor and dwt.widgets.MenuItem
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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.MenuItem; |
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15 |
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16 |
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17 import dwt.DWT; |
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18 import dwt.DWTException; |
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19 import dwt.events.ArmListener; |
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20 import dwt.events.HelpListener; |
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21 import dwt.events.SelectionEvent; |
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22 import dwt.events.SelectionListener; |
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23 import dwt.graphics.Image; |
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24 import dwt.internal.cocoa.NSMenu; |
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25 import dwt.internal.cocoa.NSMenuItem; |
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26 import dwt.internal.cocoa.NSString; |
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27 import dwt.internal.cocoa.OS; |
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28 import dwt.internal.cocoa.SWTMenu; |
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29 |
35
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30 import dwt.dwthelper.utils; |
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31 import dwt.internal.cocoa.NSInteger; |
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32 import dwt.widgets.Decorations; |
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33 import dwt.widgets.Display; |
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34 import dwt.widgets.Event; |
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35 import dwt.widgets.Item; |
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36 import dwt.widgets.Menu; |
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37 import dwt.widgets.TypedListener; |
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38 |
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39 /** |
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40 * Instances of this class represent a selectable user interface object |
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41 * that issues notification when pressed and released. |
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42 * <dl> |
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43 * <dt><b>Styles:</b></dt> |
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44 * <dd>CHECK, CASCADE, PUSH, RADIO, SEPARATOR</dd> |
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45 * <dt><b>Events:</b></dt> |
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46 * <dd>Arm, Help, Selection</dd> |
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47 * </dl> |
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48 * <p> |
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49 * Note: Only one of the styles CHECK, CASCADE, PUSH, RADIO and SEPARATOR |
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50 * may be specified. |
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51 * </p><p> |
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52 * IMPORTANT: This class is <em>not</em> intended to be subclassed. |
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53 * </p> |
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54 */ |
3 | 55 public class MenuItem : Item { |
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56 NSMenuItem nsItem; |
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57 Menu parent, menu; |
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58 int accelerator; |
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59 // int x, y, width, height; |
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60 |
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61 /** |
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62 * Constructs a new instance of this class given its parent |
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63 * (which must be a <code>Menu</code>) and a style value |
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64 * describing its behavior and appearance. The item is added |
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65 * to the end of the items maintained by its parent. |
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66 * <p> |
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67 * The style value is either one of the style constants defined in |
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68 * class <code>DWT</code> which is applicable to instances of this |
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69 * class, or must be built by <em>bitwise OR</em>'ing together |
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70 * (that is, using the <code>int</code> "|" operator) two or more |
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71 * of those <code>DWT</code> style constants. The class description |
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72 * lists the style constants that are applicable to the class. |
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73 * Style bits are also inherited from superclasses. |
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74 * </p> |
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75 * |
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76 * @param parent a menu control which will be the parent of the new instance (cannot be null) |
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77 * @param style the style of control to construct |
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78 * |
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79 * @exception IllegalArgumentException <ul> |
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80 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> |
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81 * </ul> |
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82 * @exception DWTException <ul> |
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83 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> |
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84 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> |
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85 * </ul> |
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86 * |
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87 * @see DWT#CHECK |
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88 * @see DWT#CASCADE |
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89 * @see DWT#PUSH |
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90 * @see DWT#RADIO |
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91 * @see DWT#SEPARATOR |
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92 * @see Widget#checkSubclass |
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93 * @see Widget#getStyle |
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94 */ |
5 | 95 public this (Menu parent, int style) { |
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96 super (parent, checkStyle (style)); |
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97 this.parent = parent; |
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98 parent.createItem (this, parent.getItemCount ()); |
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99 } |
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100 |
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101 /** |
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102 * Constructs a new instance of this class given its parent |
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103 * (which must be a <code>Menu</code>), a style value |
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104 * describing its behavior and appearance, and the index |
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105 * at which to place it in the items maintained by its parent. |
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106 * <p> |
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107 * The style value is either one of the style constants defined in |
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108 * class <code>DWT</code> which is applicable to instances of this |
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109 * class, or must be built by <em>bitwise OR</em>'ing together |
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110 * (that is, using the <code>int</code> "|" operator) two or more |
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111 * of those <code>DWT</code> style constants. The class description |
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112 * lists the style constants that are applicable to the class. |
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113 * Style bits are also inherited from superclasses. |
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114 * </p> |
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115 * |
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116 * @param parent a menu control which will be the parent of the new instance (cannot be null) |
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117 * @param style the style of control to construct |
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118 * @param index the zero-relative index to store the receiver in its parent |
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119 * |
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120 * @exception IllegalArgumentException <ul> |
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121 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> |
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122 * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the parent (inclusive)</li> |
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123 * </ul> |
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124 * @exception DWTException <ul> |
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125 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> |
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126 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> |
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127 * </ul> |
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128 * |
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129 * @see DWT#CHECK |
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130 * @see DWT#CASCADE |
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131 * @see DWT#PUSH |
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132 * @see DWT#RADIO |
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133 * @see DWT#SEPARATOR |
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134 * @see Widget#checkSubclass |
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135 * @see Widget#getStyle |
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136 */ |
5 | 137 public this (Menu parent, int style, int index) { |
0
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138 super (parent, checkStyle (style)); |
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139 this.parent = parent; |
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140 parent.createItem (this, index); |
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141 } |
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142 |
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143 /** |
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144 * Adds the listener to the collection of listeners who will |
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145 * be notified when the arm events are generated for the control, by sending |
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146 * it one of the messages defined in the <code>ArmListener</code> |
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147 * interface. |
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148 * |
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149 * @param listener the listener which should be notified |
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150 * |
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151 * @exception IllegalArgumentException <ul> |
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152 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
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153 * </ul> |
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154 * @exception DWTException <ul> |
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155 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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156 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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157 * </ul> |
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158 * |
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159 * @see ArmListener |
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160 * @see #removeArmListener |
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161 */ |
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162 public void addArmListener (ArmListener listener) { |
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163 checkWidget (); |
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164 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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165 TypedListener typedListener = new TypedListener (listener); |
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166 addListener (DWT.Arm, typedListener); |
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167 } |
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168 |
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169 /** |
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170 * Adds the listener to the collection of listeners who will |
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171 * be notified when the help events are generated for the control, by sending |
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172 * it one of the messages defined in the <code>HelpListener</code> |
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173 * interface. |
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174 * |
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175 * @param listener the listener which should be notified |
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176 * |
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177 * @exception IllegalArgumentException <ul> |
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178 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
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179 * </ul> |
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180 * @exception DWTException <ul> |
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181 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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182 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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183 * </ul> |
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184 * |
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185 * @see HelpListener |
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186 * @see #removeHelpListener |
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187 */ |
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188 public void addHelpListener (HelpListener listener) { |
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189 checkWidget (); |
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190 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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191 TypedListener typedListener = new TypedListener (listener); |
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192 addListener (DWT.Help, typedListener); |
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193 } |
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194 |
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195 /** |
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196 * Adds the listener to the collection of listeners who will |
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197 * be notified when the menu item is selected by the user, by sending |
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198 * it one of the messages defined in the <code>SelectionListener</code> |
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199 * interface. |
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200 * <p> |
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201 * When <code>widgetSelected</code> is called, the stateMask field of the event object is valid. |
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202 * <code>widgetDefaultSelected</code> is not called. |
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203 * </p> |
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204 * |
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205 * @param listener the listener which should be notified when the menu item is selected by the user |
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206 * |
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207 * @exception IllegalArgumentException <ul> |
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208 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
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209 * </ul> |
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210 * @exception DWTException <ul> |
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211 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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212 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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213 * </ul> |
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214 * |
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215 * @see SelectionListener |
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216 * @see #removeSelectionListener |
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217 * @see SelectionEvent |
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218 */ |
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219 public void addSelectionListener (SelectionListener listener) { |
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220 checkWidget (); |
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221 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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222 TypedListener typedListener = new TypedListener(listener); |
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223 addListener (DWT.Selection,typedListener); |
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224 addListener (DWT.DefaultSelection,typedListener); |
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225 } |
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226 |
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227 protected void checkSubclass () { |
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228 if (!isValidSubclass ()) error (DWT.ERROR_INVALID_SUBCLASS); |
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229 } |
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230 |
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231 static int checkStyle (int style) { |
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232 return checkBits (style, DWT.PUSH, DWT.CHECK, DWT.RADIO, DWT.SEPARATOR, DWT.CASCADE, 0); |
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233 } |
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234 |
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235 NSMenu createEmptyMenu () { |
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236 if ((parent.style & DWT.BAR) !is 0) { |
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237 return cast(NSMenu) (new SWTMenu ()).alloc ().init (); |
0
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238 } |
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239 return null; |
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240 } |
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241 |
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242 void destroyWidget () { |
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243 parent.destroyItem (this); |
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244 releaseHandle (); |
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245 } |
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246 |
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247 /** |
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248 * Returns the widget accelerator. An accelerator is the bit-wise |
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249 * OR of zero or more modifier masks and a key. Examples: |
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250 * <code>DWT.CONTROL | DWT.SHIFT | 'T', DWT.ALT | DWT.F2</code>. |
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251 * The default value is zero, indicating that the menu item does |
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252 * not have an accelerator. |
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253 * |
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254 * @return the accelerator or 0 |
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255 * |
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256 * </ul> |
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257 * @exception DWTException <ul> |
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258 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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259 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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260 * </ul> |
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261 */ |
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262 public int getAccelerator () { |
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263 checkWidget (); |
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264 return accelerator; |
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265 } |
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266 |
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267 /** |
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268 * Returns <code>true</code> if the receiver is enabled, and |
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269 * <code>false</code> otherwise. A disabled menu item is typically |
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270 * not selectable from the user interface and draws with an |
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271 * inactive or "grayed" look. |
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272 * |
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273 * @return the receiver's enabled state |
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274 * |
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275 * @exception DWTException <ul> |
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276 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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277 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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278 * </ul> |
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279 * |
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280 * @see #isEnabled |
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281 */ |
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282 public bool getEnabled () { |
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283 checkWidget(); |
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284 return (state & DISABLED) is 0; |
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285 } |
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286 |
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287 /** |
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288 * Returns the receiver's cascade menu if it has one or null |
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289 * if it does not. Only <code>CASCADE</code> menu items can have |
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290 * a pull down menu. The sequence of key strokes, button presses |
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291 * and/or button releases that are used to request a pull down |
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292 * menu is platform specific. |
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293 * |
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294 * @return the receiver's menu |
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295 * |
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296 * @exception DWTException <ul> |
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297 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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298 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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299 * </ul> |
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300 */ |
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301 public Menu getMenu () { |
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302 checkWidget (); |
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303 return menu; |
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304 } |
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305 |
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306 String getNameText () { |
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307 if ((style & DWT.SEPARATOR) !is 0) return "|"; |
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308 return super.getNameText (); |
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309 } |
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310 |
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311 /** |
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312 * Returns the receiver's parent, which must be a <code>Menu</code>. |
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313 * |
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314 * @return the receiver's parent |
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315 * |
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316 * @exception DWTException <ul> |
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317 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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318 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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319 * </ul> |
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320 */ |
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321 public Menu getParent () { |
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322 checkWidget (); |
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323 return parent; |
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324 } |
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325 |
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326 /** |
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327 * Returns <code>true</code> if the receiver is selected, |
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328 * and false otherwise. |
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329 * <p> |
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330 * When the receiver is of type <code>CHECK</code> or <code>RADIO</code>, |
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331 * it is selected when it is checked. |
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332 * |
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333 * @return the selection state |
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334 * |
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335 * @exception DWTException <ul> |
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336 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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337 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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338 * </ul> |
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339 */ |
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340 public bool getSelection () { |
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341 checkWidget (); |
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342 if ((style & (DWT.CHECK | DWT.RADIO)) is 0) return false; |
7 | 343 return (cast(NSMenuItem)nsItem).state() is OS.NSOnState; |
0
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344 } |
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345 |
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346 //int kEventProcessCommand (int nextHandler, int theEvent, int userData) { |
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347 // //TEMPORARY CODE |
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348 // if (!isEnabled ()) return OS.noErr; |
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349 // |
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350 // if ((style & DWT.CHECK) !is 0) { |
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351 // setSelection (!getSelection ()); |
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352 // } else { |
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353 // if ((style & DWT.RADIO) !is 0) { |
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354 // if ((parent.getStyle () & DWT.NO_RADIO_GROUP) !is 0) { |
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355 // setSelection (!getSelection ()); |
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356 // } else { |
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357 // selectRadio (); |
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358 // } |
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359 // } |
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360 // } |
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361 // int [] modifiers = new int [1]; |
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362 // OS.GetEventParameter (theEvent, OS.kEventParamKeyModifiers, OS.typeUInt32, null, 4, null, modifiers); |
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363 // Event event = new Event (); |
7 | 364 // setInputState (event, cast(short) 0, OS.GetCurrentEventButtonState (), modifiers [0]); |
0
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365 // postEvent (DWT.Selection, event); |
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366 // return OS.noErr; |
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367 //} |
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368 |
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369 /** |
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370 * Returns <code>true</code> if the receiver is enabled and all |
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371 * of the receiver's ancestors are enabled, and <code>false</code> |
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372 * otherwise. A disabled menu item is typically not selectable from the |
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373 * user interface and draws with an inactive or "grayed" look. |
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374 * |
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375 * @return the receiver's enabled state |
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376 * |
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377 * @exception DWTException <ul> |
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378 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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379 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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380 * </ul> |
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381 * |
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382 * @see #getEnabled |
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383 */ |
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384 public bool isEnabled () { |
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385 return getEnabled () && parent.isEnabled (); |
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386 } |
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387 |
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388 //int keyGlyph (int key) { |
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389 // switch (key) { |
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390 // case DWT.BS: return OS.kMenuDeleteLeftGlyph; |
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391 // case DWT.CR: return OS.kMenuReturnGlyph; |
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392 // case DWT.DEL: return OS.kMenuDeleteRightGlyph; |
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393 // case DWT.ESC: return OS.kMenuEscapeGlyph; |
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394 // case DWT.LF: return OS.kMenuReturnGlyph; |
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395 // case DWT.TAB: return OS.kMenuTabRightGlyph; |
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396 // case ' ': return OS.kMenuBlankGlyph; |
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397 //// case ' ': return OS.kMenuSpaceGlyph; |
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398 // case DWT.ALT: return OS.kMenuOptionGlyph; |
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399 // case DWT.SHIFT: return OS.kMenuShiftGlyph; |
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400 // case DWT.CONTROL: return OS.kMenuControlISOGlyph; |
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401 // case DWT.COMMAND: return OS.kMenuCommandGlyph; |
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402 // case DWT.ARROW_UP: return OS.kMenuUpArrowGlyph; |
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403 // case DWT.ARROW_DOWN: return OS.kMenuDownArrowGlyph; |
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404 // case DWT.ARROW_LEFT: return OS.kMenuLeftArrowGlyph; |
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405 // case DWT.ARROW_RIGHT: return OS.kMenuRightArrowGlyph; |
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406 // case DWT.PAGE_UP: return OS.kMenuPageUpGlyph; |
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407 // case DWT.PAGE_DOWN: return OS.kMenuPageDownGlyph; |
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408 // case DWT.F1: return OS.kMenuF1Glyph; |
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409 // case DWT.F2: return OS.kMenuF2Glyph; |
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410 // case DWT.F3: return OS.kMenuF3Glyph; |
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411 // case DWT.F4: return OS.kMenuF4Glyph; |
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412 // case DWT.F5: return OS.kMenuF5Glyph; |
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413 // case DWT.F6: return OS.kMenuF6Glyph; |
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414 // case DWT.F7: return OS.kMenuF7Glyph; |
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415 // case DWT.F8: return OS.kMenuF8Glyph; |
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416 // case DWT.F9: return OS.kMenuF9Glyph; |
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417 // case DWT.F10: return OS.kMenuF10Glyph; |
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418 // case DWT.F11: return OS.kMenuF11Glyph; |
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419 // case DWT.F12: return OS.kMenuF12Glyph; |
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420 // } |
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421 // return OS.kMenuNullGlyph; |
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422 //} |
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423 |
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424 void releaseHandle () { |
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425 super.releaseHandle (); |
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426 if (nsItem !is null) nsItem.release(); |
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427 nsItem = null; |
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428 parent = null; |
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429 } |
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430 |
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431 void releaseChildren (bool destroy) { |
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432 if (menu !is null) { |
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433 menu.release (false); |
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434 menu = null; |
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435 } |
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436 super.releaseChildren (destroy); |
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437 } |
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438 |
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439 void releaseWidget () { |
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440 super.releaseWidget (); |
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441 accelerator = 0; |
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442 if (this is parent.defaultItem) parent.defaultItem = null; |
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443 } |
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444 |
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445 /** |
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446 * Removes the listener from the collection of listeners who will |
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447 * be notified when the arm events are generated for the control. |
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448 * |
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449 * @param listener the listener which should no longer be notified |
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450 * |
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451 * @exception IllegalArgumentException <ul> |
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452 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
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453 * </ul> |
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454 * @exception DWTException <ul> |
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455 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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456 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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457 * </ul> |
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458 * |
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459 * @see ArmListener |
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460 * @see #addArmListener |
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461 */ |
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462 public void removeArmListener (ArmListener listener) { |
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463 checkWidget (); |
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464 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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465 if (eventTable is null) return; |
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466 eventTable.unhook (DWT.Arm, listener); |
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467 } |
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468 |
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469 /** |
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470 * Removes the listener from the collection of listeners who will |
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471 * be notified when the help events are generated for the control. |
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472 * |
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473 * @param listener the listener which should no longer be notified |
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474 * |
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475 * @exception IllegalArgumentException <ul> |
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476 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
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477 * </ul> |
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478 * @exception DWTException <ul> |
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479 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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480 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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481 * </ul> |
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482 * |
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483 * @see HelpListener |
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484 * @see #addHelpListener |
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485 */ |
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486 public void removeHelpListener (HelpListener listener) { |
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487 checkWidget (); |
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488 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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489 if (eventTable is null) return; |
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490 eventTable.unhook (DWT.Help, listener); |
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491 } |
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492 |
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493 /** |
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494 * Removes the listener from the collection of listeners who will |
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495 * be notified when the control is selected by the user. |
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496 * |
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497 * @param listener the listener which should no longer be notified |
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498 * |
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499 * @exception IllegalArgumentException <ul> |
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500 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
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501 * </ul> |
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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 * @see SelectionListener |
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508 * @see #addSelectionListener |
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509 */ |
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510 public void removeSelectionListener (SelectionListener listener) { |
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511 checkWidget (); |
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512 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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513 if (eventTable is null) return; |
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514 eventTable.unhook (DWT.Selection, listener); |
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515 eventTable.unhook (DWT.DefaultSelection,listener); |
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516 } |
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517 |
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518 void selectRadio () { |
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519 int index = 0; |
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520 MenuItem [] items = parent.getItems (); |
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521 while (index < items.length && items [index] !is this) index++; |
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522 int i = index - 1; |
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523 while (i >= 0 && items [i].setRadioSelection (false)) --i; |
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524 int j = index + 1; |
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525 while (j < items.length && items [j].setRadioSelection (false)) j++; |
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526 setSelection (true); |
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527 } |
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528 |
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529 void sendSelection () { |
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530 if ((style & DWT.CHECK) !is 0) { |
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531 setSelection (!getSelection ()); |
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532 } else { |
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533 if ((style & DWT.RADIO) !is 0) { |
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534 if ((parent.getStyle () & DWT.NO_RADIO_GROUP) !is 0) { |
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535 setSelection (!getSelection ()); |
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536 } else { |
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537 selectRadio (); |
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538 } |
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539 } |
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540 } |
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541 Event event = new Event (); |
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542 //TODO state mask |
7 | 543 // setInputState (event, cast(short) 0, OS.GetCurrentEventButtonState (), modifiers [0]); |
0
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544 postEvent (DWT.Selection, event); |
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545 } |
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546 |
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547 /** |
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548 * Sets the widget accelerator. An accelerator is the bit-wise |
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549 * OR of zero or more modifier masks and a key. Examples: |
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550 * <code>DWT.MOD1 | DWT.MOD2 | 'T', DWT.MOD3 | DWT.F2</code>. |
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551 * <code>DWT.CONTROL | DWT.SHIFT | 'T', DWT.ALT | DWT.F2</code>. |
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552 * The default value is zero, indicating that the menu item does |
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553 * not have an accelerator. |
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554 * |
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555 * @param accelerator an integer that is the bit-wise OR of masks and a key |
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556 * |
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557 * </ul> |
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558 * @exception DWTException <ul> |
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559 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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560 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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561 * </ul> |
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562 */ |
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563 public void setAccelerator (int accelerator) { |
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564 checkWidget (); |
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565 this.accelerator = accelerator; |
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566 int key = accelerator & DWT.KEY_MASK; |
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567 int virtualKey = Display.untranslateKey (key); |
35
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568 NSString str = null; |
0
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569 if (virtualKey !is 0) { |
35
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570 str = NSString.stringWith (Integer.toString(virtualKey)); |
0
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571 } else { |
35
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572 str = NSString.stringWith (Integer.toString(key)).lowercaseString(); |
0
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573 } |
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574 nsItem.setKeyEquivalent (string); |
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575 int mask = 0; |
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576 if ((accelerator & DWT.SHIFT) !is 0) mask |= OS.NSShiftKeyMask; |
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577 if ((accelerator & DWT.CONTROL) !is 0) mask |= OS.NSControlKeyMask; |
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578 // if ((accelerator & DWT.COMMAND) !is 0) mask &= ~OS.kMenuNoCommandModifier; |
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579 if ((accelerator & DWT.COMMAND) !is 0) mask |= OS.NSCommandKeyMask; |
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580 if ((accelerator & DWT.ALT) !is 0) mask |= OS.NSAlternateKeyMask; |
35
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581 nsItem.setKeyEquivalentModifierMask (cast(NSUInteger) mask); |
0
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582 if ((this.accelerator is 0 && accelerator !is 0) || (this.accelerator !is 0 && accelerator is 0)) { |
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583 updateText (); |
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584 } |
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585 } |
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586 |
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587 /** |
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588 * Enables the receiver if the argument is <code>true</code>, |
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589 * and disables it otherwise. A disabled menu item is typically |
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590 * not selectable from the user interface and draws with an |
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591 * inactive or "grayed" look. |
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592 * |
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593 * @param enabled the new enabled state |
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594 * |
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595 * @exception DWTException <ul> |
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596 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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597 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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598 * </ul> |
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599 */ |
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600 public void setEnabled (bool enabled) { |
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601 checkWidget (); |
7 | 602 (cast(NSMenuItem)nsItem).setEnabled(enabled); |
0
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603 } |
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604 |
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605 /** |
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606 * Sets the image the receiver will display to the argument. |
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607 * <p> |
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608 * Note: This operation is a hint and is not supported on |
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609 * platforms that do not have this concept (for example, Windows NT). |
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610 * </p> |
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611 * |
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612 * @param image the image to display |
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613 * |
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614 * @exception DWTException <ul> |
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615 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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616 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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617 * </ul> |
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618 */ |
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619 public void setImage (Image image) { |
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620 checkWidget (); |
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621 if ((style & DWT.SEPARATOR) !is 0) return; |
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622 super.setImage (image); |
7 | 623 (cast(NSMenuItem)nsItem).setImage(image !is null? image.handle : null); |
0
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624 } |
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625 |
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626 /** |
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627 * Sets the receiver's pull down menu to the argument. |
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628 * Only <code>CASCADE</code> menu items can have a |
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629 * pull down menu. The sequence of key strokes, button presses |
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630 * and/or button releases that are used to request a pull down |
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631 * menu is platform specific. |
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632 * <p> |
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633 * Note: Disposing of a menu item that has a pull down menu |
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634 * will dispose of the menu. To avoid this behavior, set the |
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635 * menu to null before the menu item is disposed. |
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636 * </p> |
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637 * |
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638 * @param menu the new pull down menu |
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639 * |
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640 * @exception IllegalArgumentException <ul> |
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641 * <li>ERROR_MENU_NOT_DROP_DOWN - if the menu is not a drop down menu</li> |
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642 * <li>ERROR_MENUITEM_NOT_CASCADE - if the menu item is not a <code>CASCADE</code></li> |
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643 * <li>ERROR_INVALID_ARGUMENT - if the menu has been disposed</li> |
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644 * <li>ERROR_INVALID_PARENT - if the menu is not in the same widget tree</li> |
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645 * </ul> |
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646 * @exception DWTException <ul> |
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647 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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648 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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649 * </ul> |
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650 */ |
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651 public void setMenu (Menu menu) { |
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652 checkWidget (); |
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653 |
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654 /* Check to make sure the new menu is valid */ |
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655 if ((style & DWT.CASCADE) is 0) { |
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656 error (DWT.ERROR_MENUITEM_NOT_CASCADE); |
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657 } |
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658 if (menu !is null) { |
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659 if (menu.isDisposed()) error(DWT.ERROR_INVALID_ARGUMENT); |
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660 if ((menu.style & DWT.DROP_DOWN) is 0) { |
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661 error (DWT.ERROR_MENU_NOT_DROP_DOWN); |
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662 } |
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663 if (menu.parent !is parent.parent) { |
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664 error (DWT.ERROR_INVALID_PARENT); |
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665 } |
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|
666 } |
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667 /* Assign the new menu */ |
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668 Menu oldMenu = this.menu; |
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669 if (oldMenu is menu) return; |
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670 if (oldMenu !is null) oldMenu.cascade = null; |
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671 this.menu = menu; |
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672 |
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673 /* Update the menu in the OS */ |
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674 NSMenu menuHandle; |
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675 if (menu is null) { |
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676 menuHandle = createEmptyMenu (); |
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677 } else { |
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678 menu.cascade = this; |
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679 menuHandle = menu.nsMenu; |
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680 } |
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681 nsItem.setSubmenu (menuHandle); |
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682 |
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683 /* Update menu title with parent item title */ |
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684 updateText (); |
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685 } |
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686 |
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687 bool setRadioSelection (bool value) { |
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688 if ((style & DWT.RADIO) is 0) return false; |
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689 if (getSelection () !is value) { |
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690 setSelection (value); |
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691 postEvent (DWT.Selection); |
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692 } |
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693 return true; |
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694 } |
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695 |
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696 /** |
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697 * Sets the selection state of the receiver. |
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698 * <p> |
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699 * When the receiver is of type <code>CHECK</code> or <code>RADIO</code>, |
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700 * it is selected when it is checked. |
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701 * |
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702 * @param selected the new selection state |
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703 * |
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704 * @exception DWTException <ul> |
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705 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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706 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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707 * </ul> |
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708 */ |
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709 public void setSelection (bool selected) { |
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710 checkWidget (); |
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711 if ((style & (DWT.CHECK | DWT.RADIO)) is 0) return; |
7 | 712 (cast(NSMenuItem)nsItem).setState(selected ? OS.NSOnState : OS.NSOffState); |
0
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713 } |
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714 |
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715 /** |
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716 * Sets the receiver's text. The string may include |
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717 * the mnemonic character and accelerator text. |
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718 * <p> |
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719 * Mnemonics are indicated by an '&' that causes the next |
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720 * character to be the mnemonic. When the user presses a |
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721 * key sequence that matches the mnemonic, a selection |
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722 * event occurs. On most platforms, the mnemonic appears |
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723 * underlined but may be emphasised in a platform specific |
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724 * manner. The mnemonic indicator character '&' can be |
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725 * escaped by doubling it in the string, causing a single |
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726 * '&' to be displayed. |
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727 * </p> |
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728 * <p> |
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729 * Accelerator text is indicated by the '\t' character. |
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730 * On platforms that support accelerator text, the text |
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731 * that follows the '\t' character is displayed to the user, |
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732 * typically indicating the key stroke that will cause |
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733 * the item to become selected. On most platforms, the |
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734 * accelerator text appears right aligned in the menu. |
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735 * Setting the accelerator text does not install the |
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736 * accelerator key sequence. The accelerator key sequence |
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737 * is installed using #setAccelerator. |
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738 * </p> |
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739 * |
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740 * @param string the new text |
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741 * |
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742 * @exception IllegalArgumentException <ul> |
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743 * <li>ERROR_NULL_ARGUMENT - if the text is null</li> |
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744 * </ul> |
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745 * @exception DWTException <ul> |
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746 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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747 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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748 * </ul> |
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749 * |
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750 * @see #setAccelerator |
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751 */ |
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752 public void setText (String string) { |
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753 checkWidget (); |
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754 if (string is null) error (DWT.ERROR_NULL_ARGUMENT); |
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755 if ((style & DWT.SEPARATOR) !is 0) return; |
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756 if (text.equals (string)) return; |
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757 super.setText (string); |
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758 updateText (); |
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759 } |
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760 |
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761 void updateText() { |
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762 char [] buffer = new char [text.length ()]; |
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763 text.getChars (0, buffer.length, buffer, 0); |
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764 int i=0, j=0; |
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765 while (i < buffer.length) { |
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766 if (buffer [i] is '\t') break; |
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767 if ((buffer [j++] = buffer [i++]) is '&') { |
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768 if (i is buffer.length) {continue;} |
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769 if (buffer [i] is '&') {i++; continue;} |
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770 j--; |
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771 } |
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772 } |
35
7d135fe0caf2
Ported dwt.graphics.Cursor and dwt.widgets.MenuItem
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|
773 String text = new_String (buffer, 0, j); |
0
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774 NSMenu submenu = nsItem.submenu (); |
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775 NSString label = NSString.stringWith (text); |
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776 if(submenu !is null && (parent.getStyle () & DWT.BAR) !is 0) { |
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777 submenu.setTitle (label); |
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778 } else { |
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779 nsItem.setTitle (label); |
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780 } |
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781 } |
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782 |
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|
783 } |
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784 |