Mercurial > projects > dwt-mac
annotate dwt/widgets/MenuItem.d @ 45:d8635bb48c7c
Merge with SWT 3.5
author | Jacob Carlborg <doob@me.com> |
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date | Mon, 01 Dec 2008 17:07:00 +0100 |
parents | 642f460a0908 |
children | 4444d15131d5 |
rev | line source |
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45 | 1 /******************************************************************************* |
2 * Copyright (c) 2000, 2008 IBM Corporation and others. | |
0
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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 * |
45 | 11 * Port to the D programming language: |
12 * Jacob Carlborg <doob@me.com> | |
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; |
45 | 24 import dwt.internal.cocoa.NSApplication; |
25 import dwt.internal.cocoa.NSEvent; | |
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26 import dwt.internal.cocoa.NSMenu; |
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27 import dwt.internal.cocoa.NSMenuItem; |
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28 import dwt.internal.cocoa.NSString; |
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29 import dwt.internal.cocoa.OS; |
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30 import dwt.internal.cocoa.SWTMenu; |
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31 |
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32 import dwt.dwthelper.utils; |
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33 import dwt.internal.cocoa.NSInteger; |
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34 import dwt.widgets.Decorations; |
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35 import dwt.widgets.Display; |
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36 import dwt.widgets.Event; |
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37 import dwt.widgets.Item; |
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38 import dwt.widgets.Menu; |
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39 import dwt.widgets.TypedListener; |
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40 |
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41 /** |
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42 * Instances of this class represent a selectable user interface object |
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43 * that issues notification when pressed and released. |
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44 * <dl> |
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45 * <dt><b>Styles:</b></dt> |
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46 * <dd>CHECK, CASCADE, PUSH, RADIO, SEPARATOR</dd> |
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47 * <dt><b>Events:</b></dt> |
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48 * <dd>Arm, Help, Selection</dd> |
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49 * </dl> |
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50 * <p> |
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51 * Note: Only one of the styles CHECK, CASCADE, PUSH, RADIO and SEPARATOR |
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52 * may be specified. |
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53 * </p><p> |
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54 * IMPORTANT: This class is <em>not</em> intended to be subclassed. |
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55 * </p> |
45 | 56 * |
57 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> | |
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58 */ |
3 | 59 public class MenuItem : Item { |
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60 NSMenuItem nsItem; |
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61 Menu parent, menu; |
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62 int accelerator; |
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63 |
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64 /** |
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65 * Constructs a new instance of this class given its parent |
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66 * (which must be a <code>Menu</code>) and a style value |
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67 * describing its behavior and appearance. The item is added |
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68 * to the end of the items maintained by its parent. |
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69 * <p> |
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70 * The style value is either one of the style constants defined in |
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71 * class <code>DWT</code> which is applicable to instances of this |
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72 * class, or must be built by <em>bitwise OR</em>'ing together |
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73 * (that is, using the <code>int</code> "|" operator) two or more |
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74 * of those <code>DWT</code> style constants. The class description |
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75 * lists the style constants that are applicable to the class. |
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76 * Style bits are also inherited from superclasses. |
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77 * </p> |
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78 * |
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79 * @param parent a menu control which will be the parent of the new instance (cannot be null) |
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80 * @param style the style of control to construct |
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81 * |
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82 * @exception IllegalArgumentException <ul> |
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83 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> |
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84 * </ul> |
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85 * @exception DWTException <ul> |
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86 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> |
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87 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> |
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88 * </ul> |
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89 * |
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90 * @see DWT#CHECK |
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91 * @see DWT#CASCADE |
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92 * @see DWT#PUSH |
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93 * @see DWT#RADIO |
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94 * @see DWT#SEPARATOR |
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95 * @see Widget#checkSubclass |
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96 * @see Widget#getStyle |
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97 */ |
5 | 98 public this (Menu parent, int style) { |
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99 super (parent, checkStyle (style)); |
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100 this.parent = parent; |
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101 parent.createItem (this, parent.getItemCount ()); |
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102 } |
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103 |
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104 /** |
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105 * Constructs a new instance of this class given its parent |
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106 * (which must be a <code>Menu</code>), a style value |
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107 * describing its behavior and appearance, and the index |
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108 * at which to place it in the items maintained by its parent. |
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109 * <p> |
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110 * The style value is either one of the style constants defined in |
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111 * class <code>DWT</code> which is applicable to instances of this |
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112 * class, or must be built by <em>bitwise OR</em>'ing together |
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113 * (that is, using the <code>int</code> "|" operator) two or more |
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114 * of those <code>DWT</code> style constants. The class description |
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115 * lists the style constants that are applicable to the class. |
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116 * Style bits are also inherited from superclasses. |
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117 * </p> |
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118 * |
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119 * @param parent a menu control which will be the parent of the new instance (cannot be null) |
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120 * @param style the style of control to construct |
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121 * @param index the zero-relative index to store the receiver in its parent |
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122 * |
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123 * @exception IllegalArgumentException <ul> |
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124 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> |
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125 * <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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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#CHECK |
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133 * @see DWT#CASCADE |
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134 * @see DWT#PUSH |
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135 * @see DWT#RADIO |
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136 * @see DWT#SEPARATOR |
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137 * @see Widget#checkSubclass |
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138 * @see Widget#getStyle |
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139 */ |
5 | 140 public this (Menu parent, int style, int index) { |
0
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141 super (parent, checkStyle (style)); |
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142 this.parent = parent; |
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143 parent.createItem (this, index); |
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144 } |
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145 |
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146 /** |
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147 * Adds the listener to the collection of listeners who will |
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148 * be notified when the arm events are generated for the control, by sending |
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149 * it one of the messages defined in the <code>ArmListener</code> |
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150 * interface. |
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151 * |
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152 * @param listener the listener which should be notified |
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153 * |
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154 * @exception IllegalArgumentException <ul> |
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155 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
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156 * </ul> |
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157 * @exception DWTException <ul> |
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158 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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159 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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160 * </ul> |
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161 * |
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162 * @see ArmListener |
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163 * @see #removeArmListener |
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164 */ |
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165 public void addArmListener (ArmListener listener) { |
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166 checkWidget (); |
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167 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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168 TypedListener typedListener = new TypedListener (listener); |
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169 addListener (DWT.Arm, typedListener); |
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170 } |
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171 |
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172 /** |
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173 * Adds the listener to the collection of listeners who will |
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174 * be notified when the help events are generated for the control, by sending |
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175 * it one of the messages defined in the <code>HelpListener</code> |
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176 * interface. |
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177 * |
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178 * @param listener the listener which should be notified |
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179 * |
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180 * @exception IllegalArgumentException <ul> |
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181 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
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182 * </ul> |
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183 * @exception DWTException <ul> |
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184 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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185 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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186 * </ul> |
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187 * |
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188 * @see HelpListener |
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189 * @see #removeHelpListener |
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190 */ |
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191 public void addHelpListener (HelpListener listener) { |
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192 checkWidget (); |
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193 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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194 TypedListener typedListener = new TypedListener (listener); |
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195 addListener (DWT.Help, typedListener); |
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196 } |
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197 |
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198 /** |
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199 * Adds the listener to the collection of listeners who will |
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200 * be notified when the menu item is selected by the user, by sending |
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201 * it one of the messages defined in the <code>SelectionListener</code> |
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202 * interface. |
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203 * <p> |
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204 * When <code>widgetSelected</code> is called, the stateMask field of the event object is valid. |
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205 * <code>widgetDefaultSelected</code> is not called. |
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206 * </p> |
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207 * |
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208 * @param listener the listener which should be notified when the menu item is selected by the user |
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209 * |
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210 * @exception IllegalArgumentException <ul> |
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211 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
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212 * </ul> |
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213 * @exception DWTException <ul> |
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214 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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215 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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216 * </ul> |
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217 * |
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218 * @see SelectionListener |
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219 * @see #removeSelectionListener |
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220 * @see SelectionEvent |
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221 */ |
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222 public void addSelectionListener (SelectionListener listener) { |
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223 checkWidget (); |
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224 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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225 TypedListener typedListener = new TypedListener(listener); |
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226 addListener (DWT.Selection,typedListener); |
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227 addListener (DWT.DefaultSelection,typedListener); |
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228 } |
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229 |
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230 protected void checkSubclass () { |
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231 if (!isValidSubclass ()) error (DWT.ERROR_INVALID_SUBCLASS); |
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232 } |
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233 |
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234 static int checkStyle (int style) { |
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235 return checkBits (style, DWT.PUSH, DWT.CHECK, DWT.RADIO, DWT.SEPARATOR, DWT.CASCADE, 0); |
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236 } |
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237 |
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238 NSMenu createEmptyMenu () { |
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239 if ((parent.style & DWT.BAR) !is 0) { |
35
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240 return cast(NSMenu) (new SWTMenu ()).alloc ().init (); |
0
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241 } |
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242 return null; |
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243 } |
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244 |
45 | 245 void deregister () { |
246 super.deregister (); | |
247 display.removeWidget (nsItem); | |
248 } | |
249 | |
0
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250 void destroyWidget () { |
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251 parent.destroyItem (this); |
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252 releaseHandle (); |
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253 } |
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254 |
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255 /** |
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256 * Returns the widget accelerator. An accelerator is the bit-wise |
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257 * OR of zero or more modifier masks and a key. Examples: |
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258 * <code>DWT.CONTROL | DWT.SHIFT | 'T', DWT.ALT | DWT.F2</code>. |
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259 * The default value is zero, indicating that the menu item does |
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260 * not have an accelerator. |
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261 * |
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262 * @return the accelerator or 0 |
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263 * |
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264 * </ul> |
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265 * @exception DWTException <ul> |
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266 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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267 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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268 * </ul> |
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269 */ |
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270 public int getAccelerator () { |
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271 checkWidget (); |
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272 return accelerator; |
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273 } |
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274 |
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275 /** |
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276 * Returns <code>true</code> if the receiver is enabled, and |
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277 * <code>false</code> otherwise. A disabled menu item is typically |
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278 * not selectable from the user interface and draws with an |
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279 * inactive or "grayed" look. |
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280 * |
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281 * @return the receiver's enabled state |
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282 * |
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283 * @exception DWTException <ul> |
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284 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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285 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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286 * </ul> |
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287 * |
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288 * @see #isEnabled |
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289 */ |
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290 public bool getEnabled () { |
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291 checkWidget(); |
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292 return (state & DISABLED) is 0; |
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293 } |
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294 |
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295 /** |
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296 * Returns the receiver's cascade menu if it has one or null |
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297 * if it does not. Only <code>CASCADE</code> menu items can have |
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298 * a pull down menu. The sequence of key strokes, button presses |
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299 * and/or button releases that are used to request a pull down |
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300 * menu is platform specific. |
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301 * |
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302 * @return the receiver's menu |
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303 * |
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304 * @exception DWTException <ul> |
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305 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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306 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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307 * </ul> |
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308 */ |
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309 public Menu getMenu () { |
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310 checkWidget (); |
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311 return menu; |
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312 } |
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313 |
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314 String getNameText () { |
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315 if ((style & DWT.SEPARATOR) !is 0) return "|"; |
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316 return super.getNameText (); |
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317 } |
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318 |
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319 /** |
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320 * Returns the receiver's parent, which must be a <code>Menu</code>. |
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321 * |
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322 * @return the receiver's parent |
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323 * |
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324 * @exception DWTException <ul> |
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325 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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326 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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327 * </ul> |
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328 */ |
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329 public Menu getParent () { |
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330 checkWidget (); |
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331 return parent; |
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332 } |
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333 |
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334 /** |
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335 * Returns <code>true</code> if the receiver is selected, |
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336 * and false otherwise. |
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337 * <p> |
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338 * When the receiver is of type <code>CHECK</code> or <code>RADIO</code>, |
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339 * it is selected when it is checked. |
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340 * |
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341 * @return the selection state |
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342 * |
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343 * @exception DWTException <ul> |
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344 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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345 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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346 * </ul> |
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347 */ |
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348 public bool getSelection () { |
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349 checkWidget (); |
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350 if ((style & (DWT.CHECK | DWT.RADIO)) is 0) return false; |
45 | 351 return nsItem.state() is OS.NSOnState; |
0
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352 } |
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353 |
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354 /** |
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355 * Returns <code>true</code> if the receiver is enabled and all |
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356 * of the receiver's ancestors are enabled, and <code>false</code> |
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357 * otherwise. A disabled menu item is typically not selectable from the |
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358 * user interface and draws with an inactive or "grayed" look. |
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359 * |
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360 * @return the receiver's enabled state |
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361 * |
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362 * @exception DWTException <ul> |
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363 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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364 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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365 * </ul> |
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366 * |
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367 * @see #getEnabled |
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368 */ |
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369 public bool isEnabled () { |
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370 return getEnabled () && parent.isEnabled (); |
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371 } |
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372 |
45 | 373 int keyChar (int key) { |
374 //TODO - use the NS key constants | |
375 switch (key) { | |
376 case DWT.BS: return OS.NSBackspaceCharacter; | |
377 case DWT.CR: return OS.NSCarriageReturnCharacter; | |
378 case DWT.DEL: return OS.NSDeleteCharacter; | |
379 case DWT.ESC: return DWT.ESC; | |
380 case DWT.LF: return OS.NSNewlineCharacter; | |
381 case DWT.TAB: return OS.NSTabCharacter; | |
0
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382 // case ' ': return OS.kMenuBlankGlyph; |
45 | 383 // case ' ': return OS.kMenuSpaceGlyph; |
384 case DWT.ALT: return 0x2325; | |
385 case DWT.SHIFT: return 0x21E7; | |
386 case DWT.CONTROL: return 0xF2303; | |
387 case DWT.COMMAND: return 0x2318; | |
388 case DWT.ARROW_UP: return 0x2191; | |
389 case DWT.ARROW_DOWN: return 0x2193; | |
390 case DWT.ARROW_LEFT: return 0x2190; | |
391 case DWT.ARROW_RIGHT: return 0x2192; | |
392 case DWT.PAGE_UP: return 0x21DE; | |
393 case DWT.PAGE_DOWN: return 0x21DF; | |
394 case DWT.KEYPAD_CR: return OS.NSEnterCharacter; | |
395 case DWT.HELP: return OS.NSHelpFunctionKey; | |
396 case DWT.HOME: return 0xF729; | |
397 case DWT.END: return 0xF72B; | |
398 // case DWT.CAPS_LOCK: return ??; | |
399 case DWT.F1: return 0xF704; | |
400 case DWT.F2: return 0xF705; | |
401 case DWT.F3: return 0xF706; | |
402 case DWT.F4: return 0xF707; | |
403 case DWT.F5: return 0xF708; | |
404 case DWT.F6: return 0xF709; | |
405 case DWT.F7: return 0xF70A; | |
406 case DWT.F8: return 0xF70B; | |
407 case DWT.F9: return 0xF70C; | |
408 case DWT.F10: return 0xF70D; | |
409 case DWT.F11: return 0xF70E; | |
410 case DWT.F12: return 0xF70F; | |
411 case DWT.F13: return 0xF710; | |
412 case DWT.F14: return 0xF711; | |
413 case DWT.F15: return 0xF712; | |
414 /* | |
415 * The following lines are intentionally commented. | |
416 */ | |
417 // case DWT.INSERT: return ??; | |
418 } | |
419 return 0; | |
420 } | |
421 | |
422 | |
423 void register () { | |
424 super.register (); | |
425 display.addWidget (nsItem, this); | |
426 } | |
0
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427 |
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428 void releaseHandle () { |
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429 super.releaseHandle (); |
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430 if (nsItem !is null) nsItem.release(); |
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431 nsItem = null; |
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432 parent = null; |
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433 } |
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434 |
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435 void releaseChildren (bool destroy) { |
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436 if (menu !is null) { |
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437 menu.release (false); |
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438 menu = null; |
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439 } |
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440 super.releaseChildren (destroy); |
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441 } |
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442 |
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443 void releaseWidget () { |
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444 super.releaseWidget (); |
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445 accelerator = 0; |
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446 if (this is parent.defaultItem) parent.defaultItem = null; |
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447 } |
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448 |
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449 /** |
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450 * Removes the listener from the collection of listeners who will |
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451 * be notified when the arm events are generated for the control. |
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452 * |
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453 * @param listener the listener which should no longer be notified |
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454 * |
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455 * @exception IllegalArgumentException <ul> |
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456 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
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457 * </ul> |
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458 * @exception DWTException <ul> |
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459 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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460 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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461 * </ul> |
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462 * |
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463 * @see ArmListener |
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464 * @see #addArmListener |
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465 */ |
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466 public void removeArmListener (ArmListener listener) { |
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467 checkWidget (); |
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468 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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469 if (eventTable is null) return; |
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470 eventTable.unhook (DWT.Arm, listener); |
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471 } |
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472 |
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473 /** |
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474 * Removes the listener from the collection of listeners who will |
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475 * be notified when the help events are generated for the control. |
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476 * |
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477 * @param listener the listener which should no longer be notified |
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478 * |
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479 * @exception IllegalArgumentException <ul> |
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480 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
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481 * </ul> |
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482 * @exception DWTException <ul> |
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483 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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484 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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485 * </ul> |
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486 * |
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487 * @see HelpListener |
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488 * @see #addHelpListener |
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489 */ |
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490 public void removeHelpListener (HelpListener listener) { |
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491 checkWidget (); |
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492 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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493 if (eventTable is null) return; |
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494 eventTable.unhook (DWT.Help, listener); |
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495 } |
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496 |
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497 /** |
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498 * Removes the listener from the collection of listeners who will |
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499 * be notified when the control is selected by the user. |
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500 * |
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501 * @param listener the listener which should no longer be notified |
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502 * |
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503 * @exception IllegalArgumentException <ul> |
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504 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
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505 * </ul> |
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506 * @exception DWTException <ul> |
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507 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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508 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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509 * </ul> |
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510 * |
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511 * @see SelectionListener |
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512 * @see #addSelectionListener |
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513 */ |
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514 public void removeSelectionListener (SelectionListener listener) { |
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515 checkWidget (); |
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516 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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517 if (eventTable is null) return; |
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518 eventTable.unhook (DWT.Selection, listener); |
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519 eventTable.unhook (DWT.DefaultSelection,listener); |
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520 } |
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521 |
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522 void selectRadio () { |
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523 int index = 0; |
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524 MenuItem [] items = parent.getItems (); |
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525 while (index < items.length && items [index] !is this) index++; |
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526 int i = index - 1; |
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527 while (i >= 0 && items [i].setRadioSelection (false)) --i; |
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528 int j = index + 1; |
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529 while (j < items.length && items [j].setRadioSelection (false)) j++; |
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530 setSelection (true); |
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531 } |
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532 |
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533 void sendSelection () { |
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534 if ((style & DWT.CHECK) !is 0) { |
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535 setSelection (!getSelection ()); |
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536 } else { |
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537 if ((style & DWT.RADIO) !is 0) { |
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538 if ((parent.getStyle () & DWT.NO_RADIO_GROUP) !is 0) { |
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539 setSelection (!getSelection ()); |
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540 } else { |
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541 selectRadio (); |
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542 } |
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543 } |
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544 } |
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545 Event event = new Event (); |
45 | 546 NSEvent nsEvent = NSApplication.sharedApplication ().currentEvent (); |
547 if (nsEvent !is null) setInputState (event, nsEvent, 0); | |
0
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548 postEvent (DWT.Selection, event); |
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549 } |
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550 |
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551 /** |
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552 * Sets the widget accelerator. An accelerator is the bit-wise |
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553 * OR of zero or more modifier masks and a key. Examples: |
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554 * <code>DWT.MOD1 | DWT.MOD2 | 'T', DWT.MOD3 | DWT.F2</code>. |
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555 * <code>DWT.CONTROL | DWT.SHIFT | 'T', DWT.ALT | DWT.F2</code>. |
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556 * The default value is zero, indicating that the menu item does |
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557 * not have an accelerator. |
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558 * |
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559 * @param accelerator an integer that is the bit-wise OR of masks and a key |
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560 * |
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561 * </ul> |
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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 void setAccelerator (int accelerator) { |
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568 checkWidget (); |
45 | 569 if (this.accelerator is accelerator) return; |
0
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570 this.accelerator = accelerator; |
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571 int key = accelerator & DWT.KEY_MASK; |
45 | 572 int virtualKey = keyChar (key); |
35
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573 NSString str = null; |
0
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574 if (virtualKey !is 0) { |
35
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575 str = NSString.stringWith (Integer.toString(virtualKey)); |
0
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576 } else { |
45 | 577 str = NSString.stringWith (Integer.toString(key)); |
0
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578 } |
45 | 579 nsItem.setKeyEquivalent (str.lowercaseString()); |
0
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580 int mask = 0; |
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581 if ((accelerator & DWT.SHIFT) !is 0) mask |= OS.NSShiftKeyMask; |
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582 if ((accelerator & DWT.CONTROL) !is 0) mask |= OS.NSControlKeyMask; |
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583 if ((accelerator & DWT.COMMAND) !is 0) mask |= OS.NSCommandKeyMask; |
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584 if ((accelerator & DWT.ALT) !is 0) mask |= OS.NSAlternateKeyMask; |
35
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585 nsItem.setKeyEquivalentModifierMask (cast(NSUInteger) mask); |
45 | 586 nsItem.setHidden (false); |
0
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587 if ((this.accelerator is 0 && accelerator !is 0) || (this.accelerator !is 0 && accelerator is 0)) { |
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588 updateText (); |
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589 } |
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590 } |
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591 |
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592 /** |
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593 * Enables the receiver if the argument is <code>true</code>, |
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594 * and disables it otherwise. A disabled menu item is typically |
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595 * not selectable from the user interface and draws with an |
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596 * inactive or "grayed" look. |
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597 * |
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598 * @param enabled the new enabled state |
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599 * |
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600 * @exception DWTException <ul> |
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601 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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602 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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603 * </ul> |
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604 */ |
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605 public void setEnabled (bool enabled) { |
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606 checkWidget (); |
45 | 607 if (enabled) { |
608 state &= ~DISABLED; | |
609 } else { | |
610 state |= DISABLED; | |
611 } | |
612 nsItem.setEnabled(enabled); | |
0
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613 } |
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614 |
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615 /** |
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616 * Sets the image the receiver will display to the argument. |
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617 * <p> |
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618 * Note: This operation is a hint and is not supported on |
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619 * platforms that do not have this concept (for example, Windows NT). |
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620 * </p> |
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621 * |
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622 * @param image the image to display |
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623 * |
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624 * @exception DWTException <ul> |
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625 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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626 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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627 * </ul> |
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628 */ |
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629 public void setImage (Image image) { |
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630 checkWidget (); |
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631 if ((style & DWT.SEPARATOR) !is 0) return; |
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632 super.setImage (image); |
45 | 633 nsItem.setImage(image !is null? image.handle : null); |
0
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634 } |
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635 |
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636 /** |
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637 * Sets the receiver's pull down menu to the argument. |
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638 * Only <code>CASCADE</code> menu items can have a |
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639 * pull down menu. The sequence of key strokes, button presses |
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|
640 * and/or button releases that are used to request a pull down |
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641 * menu is platform specific. |
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642 * <p> |
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643 * Note: Disposing of a menu item that has a pull down menu |
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644 * will dispose of the menu. To avoid this behavior, set the |
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645 * menu to null before the menu item is disposed. |
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646 * </p> |
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647 * |
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648 * @param menu the new pull down menu |
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649 * |
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650 * @exception IllegalArgumentException <ul> |
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651 * <li>ERROR_MENU_NOT_DROP_DOWN - if the menu is not a drop down menu</li> |
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652 * <li>ERROR_MENUITEM_NOT_CASCADE - if the menu item is not a <code>CASCADE</code></li> |
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653 * <li>ERROR_INVALID_ARGUMENT - if the menu has been disposed</li> |
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654 * <li>ERROR_INVALID_PARENT - if the menu is not in the same widget tree</li> |
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655 * </ul> |
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656 * @exception DWTException <ul> |
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657 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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658 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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659 * </ul> |
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660 */ |
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661 public void setMenu (Menu menu) { |
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662 checkWidget (); |
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663 |
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664 /* Check to make sure the new menu is valid */ |
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665 if ((style & DWT.CASCADE) is 0) { |
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666 error (DWT.ERROR_MENUITEM_NOT_CASCADE); |
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667 } |
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668 if (menu !is null) { |
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669 if (menu.isDisposed()) error(DWT.ERROR_INVALID_ARGUMENT); |
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670 if ((menu.style & DWT.DROP_DOWN) is 0) { |
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671 error (DWT.ERROR_MENU_NOT_DROP_DOWN); |
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672 } |
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673 if (menu.parent !is parent.parent) { |
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674 error (DWT.ERROR_INVALID_PARENT); |
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675 } |
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676 } |
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677 /* Assign the new menu */ |
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678 Menu oldMenu = this.menu; |
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679 if (oldMenu is menu) return; |
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680 if (oldMenu !is null) oldMenu.cascade = null; |
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681 this.menu = menu; |
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682 |
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683 /* Update the menu in the OS */ |
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684 NSMenu menuHandle; |
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685 if (menu is null) { |
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686 menuHandle = createEmptyMenu (); |
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687 } else { |
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688 menu.cascade = this; |
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689 menuHandle = menu.nsMenu; |
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690 } |
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691 nsItem.setSubmenu (menuHandle); |
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692 |
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693 /* Update menu title with parent item title */ |
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694 updateText (); |
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695 } |
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696 |
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697 bool setRadioSelection (bool value) { |
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698 if ((style & DWT.RADIO) is 0) return false; |
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699 if (getSelection () !is value) { |
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700 setSelection (value); |
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701 postEvent (DWT.Selection); |
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702 } |
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703 return true; |
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704 } |
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705 |
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|
706 /** |
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707 * Sets the selection state of the receiver. |
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708 * <p> |
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709 * When the receiver is of type <code>CHECK</code> or <code>RADIO</code>, |
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710 * it is selected when it is checked. |
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711 * |
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712 * @param selected the new selection state |
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713 * |
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714 * @exception DWTException <ul> |
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715 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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716 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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717 * </ul> |
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718 */ |
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719 public void setSelection (bool selected) { |
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720 checkWidget (); |
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721 if ((style & (DWT.CHECK | DWT.RADIO)) is 0) return; |
45 | 722 nsItem.setState(selected ? OS.NSOnState : OS.NSOffState); |
0
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723 } |
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|
724 |
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|
725 /** |
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726 * Sets the receiver's text. The string may include |
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727 * the mnemonic character and accelerator text. |
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|
728 * <p> |
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729 * Mnemonics are indicated by an '&' that causes the next |
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730 * character to be the mnemonic. When the user presses a |
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731 * key sequence that matches the mnemonic, a selection |
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732 * event occurs. On most platforms, the mnemonic appears |
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733 * underlined but may be emphasised in a platform specific |
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734 * manner. The mnemonic indicator character '&' can be |
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735 * escaped by doubling it in the string, causing a single |
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736 * '&' to be displayed. |
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737 * </p> |
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738 * <p> |
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739 * Accelerator text is indicated by the '\t' character. |
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740 * On platforms that support accelerator text, the text |
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741 * that follows the '\t' character is displayed to the user, |
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742 * typically indicating the key stroke that will cause |
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743 * the item to become selected. On most platforms, the |
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744 * accelerator text appears right aligned in the menu. |
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745 * Setting the accelerator text does not install the |
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746 * accelerator key sequence. The accelerator key sequence |
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747 * is installed using #setAccelerator. |
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748 * </p> |
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749 * |
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|
750 * @param string the new text |
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|
751 * |
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|
752 * @exception IllegalArgumentException <ul> |
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753 * <li>ERROR_NULL_ARGUMENT - if the text is null</li> |
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|
754 * </ul> |
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|
755 * @exception DWTException <ul> |
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756 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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757 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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758 * </ul> |
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759 * |
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760 * @see #setAccelerator |
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761 */ |
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762 public void setText (String string) { |
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763 checkWidget (); |
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764 if (string is null) error (DWT.ERROR_NULL_ARGUMENT); |
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765 if ((style & DWT.SEPARATOR) !is 0) return; |
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766 if (text.equals (string)) return; |
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767 super.setText (string); |
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768 updateText (); |
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769 } |
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770 |
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771 void updateText() { |
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772 char [] buffer = new char [text.length ()]; |
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773 text.getChars (0, buffer.length, buffer, 0); |
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774 int i=0, j=0; |
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775 while (i < buffer.length) { |
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776 if (buffer [i] is '\t') break; |
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777 if ((buffer [j++] = buffer [i++]) is '&') { |
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778 if (i is buffer.length) {continue;} |
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779 if (buffer [i] is '&') {i++; continue;} |
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780 j--; |
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781 } |
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782 } |
35
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783 String text = new_String (buffer, 0, j); |
0
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784 NSMenu submenu = nsItem.submenu (); |
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785 NSString label = NSString.stringWith (text); |
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786 if(submenu !is null && (parent.getStyle () & DWT.BAR) !is 0) { |
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787 submenu.setTitle (label); |
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788 } else { |
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789 nsItem.setTitle (label); |
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790 } |
45 | 791 if (accelerator is 0) { |
792 int mask = 0, key = 0; | |
793 if (i < buffer.length && buffer [i] is '\t') { | |
794 for (j = i + 1; j < buffer.length; j++) { | |
795 switch (buffer [j]) { | |
796 case '\u2303': mask |= OS.NSControlKeyMask; i++; break; | |
797 case '\u2325': mask |= OS.NSAlternateKeyMask; i++; break; | |
798 case '\u21E7': mask |= OS.NSShiftKeyMask; i++; break; | |
799 case '\u2318': mask |= OS.NSCommandKeyMask; i++; break; | |
800 default: | |
801 j = buffer.length; | |
802 break; | |
803 } | |
804 } | |
805 switch (buffer.length - i - 1) { | |
806 case 1: | |
807 key = buffer [i + 1]; | |
808 if (key is 0x2423) key = ' '; | |
809 break; | |
810 case 2: | |
811 if (buffer [i + 1] is 'F') { | |
812 switch (buffer [i + 2]) { | |
813 case '1': key = 0xF704; break; | |
814 case '2': key = 0xF705; break; | |
815 case '3': key = 0xF706; break; | |
816 case '4': key = 0xF707; break; | |
817 case '5': key = 0xF708; break; | |
818 case '6': key = 0xF709; break; | |
819 case '7': key = 0xF70A; break; | |
820 case '8': key = 0xF70B; break; | |
821 case '9': key = 0xF70C; break; | |
822 } | |
823 } | |
824 break; | |
825 case 3: | |
826 if (buffer [i + 1] is 'F' && buffer [i + 2] is '1') { | |
827 switch (buffer [i + 3]) { | |
828 case '0': key = 0xF70D; break; | |
829 case '1': key = 0xF70E; break; | |
830 case '2': key = 0xF70F; break; | |
831 case '3': key = 0xF710; break; | |
832 case '4': key = 0xF711; break; | |
833 case '5': key = 0xF712; break; | |
834 } | |
835 } | |
836 break; | |
837 } | |
838 } | |
839 NSString string = NSString.stringWith (key is 0 ? "" : (char)key + ""); | |
840 nsItem.setKeyEquivalentModifierMask (mask); | |
841 nsItem.setKeyEquivalent (string.lowercaseString ()); | |
842 //TODO - only hide when key !is 0 (fix all places) | |
843 nsItem.setHidden (key !is 0 || mask !is 0); | |
844 } | |
0
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845 } |
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846 |
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847 } |
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848 |