Mercurial > projects > dwt-mac
annotate dwt/widgets/Combo.d @ 140:d8c1f0540bcb
Fixes #12
author | Jacob Carlborg <doob@me.com> |
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date | Thu, 04 Jun 2009 23:33:04 +0200 |
parents | 86fc761a24ae |
children | 199b4e8f3bde |
rev | line source |
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45 | 1 /******************************************************************************* |
2 * Copyright (c) 2000, 2008 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 |
123 | 10 * |
62 | 11 * Port to the D programming language: |
12 * Jacob Carlborg <doob@me.com> | |
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13 *******************************************************************************/ |
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14 module dwt.widgets.Combo; |
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15 |
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16 import dwt.dwthelper.utils; |
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17 |
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18 |
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19 import dwt.DWT; |
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20 import dwt.DWTException; |
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21 import dwt.events.ModifyListener; |
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22 import dwt.events.SelectionEvent; |
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23 import dwt.events.SelectionListener; |
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24 import dwt.events.VerifyListener; |
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25 import dwt.graphics.Color; |
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26 import dwt.graphics.Point; |
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27 import dwt.internal.cocoa.NSCell; |
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28 import dwt.internal.cocoa.NSColor; |
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29 import dwt.internal.cocoa.NSComboBox; |
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30 import dwt.internal.cocoa.NSControl; |
45 | 31 import dwt.internal.cocoa.NSEvent; |
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32 import dwt.internal.cocoa.NSMenu; |
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33 import dwt.internal.cocoa.NSMenuItem; |
45 | 34 import dwt.internal.cocoa.NSNotification; |
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35 import dwt.internal.cocoa.NSPopUpButton; |
45 | 36 import dwt.internal.cocoa.NSRange; |
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37 import dwt.internal.cocoa.NSRect; |
45 | 38 import dwt.internal.cocoa.NSSize; |
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39 import dwt.internal.cocoa.NSString; |
45 | 40 import dwt.internal.cocoa.NSText; |
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41 import dwt.internal.cocoa.NSTextField; |
45 | 42 import dwt.internal.cocoa.NSTextFieldCell; |
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43 import dwt.internal.cocoa.OS; |
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44 import dwt.internal.cocoa.SWTComboBox; |
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45 import dwt.internal.cocoa.SWTPopUpButton; |
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46 |
90 | 47 import Carbon = dwt.internal.c.Carbon; |
62 | 48 import objc = dwt.internal.objc.runtime; |
49 import dwt.widgets.Composite; | |
90 | 50 import dwt.widgets.Event; |
62 | 51 import dwt.widgets.TypedListener; |
52 | |
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53 /** |
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54 * Instances of this class are controls that allow the user |
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55 * to choose an item from a list of items, or optionally |
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56 * enter a new value by typing it into an editable text |
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57 * field. Often, <code>Combo</code>s are used in the same place |
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58 * where a single selection <code>List</code> widget could |
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59 * be used but space is limited. A <code>Combo</code> takes |
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60 * less space than a <code>List</code> widget and shows |
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61 * similar information. |
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62 * <p> |
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63 * Note: Since <code>Combo</code>s can contain both a list |
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64 * and an editable text field, it is possible to confuse methods |
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65 * which access one versus the other (compare for example, |
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66 * <code>clearSelection()</code> and <code>deselectAll()</code>). |
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67 * The API documentation is careful to indicate either "the |
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68 * receiver's list" or the "the receiver's text field" to |
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69 * distinguish between the two cases. |
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70 * </p><p> |
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71 * Note that although this class is a subclass of <code>Composite</code>, |
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72 * it does not make sense to add children to it, or set a layout on it. |
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73 * </p> |
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74 * <dl> |
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75 * <dt><b>Styles:</b></dt> |
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76 * <dd>DROP_DOWN, READ_ONLY, SIMPLE</dd> |
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77 * <dt><b>Events:</b></dt> |
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78 * <dd>DefaultSelection, Modify, Selection, Verify</dd> |
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79 * </dl> |
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80 * <p> |
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81 * Note: Only one of the styles DROP_DOWN and SIMPLE may be specified. |
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82 * </p><p> |
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83 * IMPORTANT: This class is <em>not</em> intended to be subclassed. |
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84 * </p> |
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85 * |
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86 * @see List |
45 | 87 * @see <a href="http://www.eclipse.org/swt/snippets/#combo">Combo snippets</a> |
88 * @see <a href="http://www.eclipse.org/swt/examples.php">DWT Example: ControlExample</a> | |
89 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> | |
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90 */ |
3 | 91 public class Combo : Composite { |
90 | 92 int textLimit; |
45 | 93 bool receivingFocus; |
90 | 94 NSRange* selectionRange; |
95 NSRange selectionRangeStruct; | |
123 | 96 |
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97 /** |
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98 * the operating system limit for the number of characters |
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99 * that the text field in an instance of this class can hold |
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100 */ |
62 | 101 public static const int LIMIT; |
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102 |
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103 /* |
123 | 104 * These values can be different on different platforms. |
105 * Therefore they are not initialized in the declaration | |
106 * to stop the compiler from inlining. | |
107 */ | |
62 | 108 static this () { |
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109 LIMIT = 0x7FFFFFFF; |
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110 } |
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111 |
123 | 112 |
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113 /** |
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114 * Constructs a new instance of this class given its parent |
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115 * and a style value describing its behavior and appearance. |
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116 * <p> |
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117 * The style value is either one of the style constants defined in |
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118 * class <code>DWT</code> which is applicable to instances of this |
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119 * class, or must be built by <em>bitwise OR</em>'ing together |
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120 * (that is, using the <code>int</code> "|" operator) two or more |
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121 * of those <code>DWT</code> style constants. The class description |
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122 * lists the style constants that are applicable to the class. |
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123 * Style bits are also inherited from superclasses. |
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124 * </p> |
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125 * |
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126 * @param parent a composite control which will be the parent of the new instance (cannot be null) |
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127 * @param style the style of control to construct |
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128 * |
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129 * @exception IllegalArgumentException <ul> |
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130 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> |
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131 * </ul> |
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132 * @exception DWTException <ul> |
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133 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> |
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134 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> |
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135 * </ul> |
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136 * |
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137 * @see DWT#DROP_DOWN |
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138 * @see DWT#READ_ONLY |
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139 * @see DWT#SIMPLE |
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140 * @see Widget#checkSubclass |
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141 * @see Widget#getStyle |
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142 */ |
5 | 143 public this (Composite parent, int style) { |
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144 super (parent, checkStyle (style)); |
90 | 145 textLimit = LIMIT; |
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146 } |
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147 |
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148 /** |
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149 * Adds the argument to the end of the receiver's list. |
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150 * |
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151 * @param string the new item |
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152 * |
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153 * @exception IllegalArgumentException <ul> |
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154 * <li>ERROR_NULL_ARGUMENT - if the string is null</li> |
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155 * </ul> |
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156 * @exception DWTException <ul> |
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157 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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158 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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159 * </ul> |
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160 * |
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161 * @see #add(String,int) |
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162 */ |
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163 public void add (String string) { |
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164 checkWidget (); |
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165 if (string is null) error (DWT.ERROR_NULL_ARGUMENT); |
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166 NSString str = NSString.stringWith(string); |
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167 if ((style & DWT.READ_ONLY) !is 0) { |
7 | 168 NSMenu nsMenu = (cast(NSPopUpButton)view).menu(); |
62 | 169 NSMenuItem nsItem = cast(NSMenuItem)(new NSMenuItem()).alloc(); |
170 nsItem.initWithTitle(str, null, NSString.stringWith("")); | |
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171 nsMenu.addItem(nsItem); |
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172 nsItem.release(); |
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173 } else { |
7 | 174 (cast(NSComboBox)view).addItemWithObjectValue(str); |
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175 } |
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176 } |
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177 |
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178 /** |
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179 * Adds the argument to the receiver's list at the given |
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180 * zero-relative index. |
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181 * <p> |
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182 * Note: To add an item at the end of the list, use the |
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183 * result of calling <code>getItemCount()</code> as the |
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184 * index or use <code>add(String)</code>. |
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185 * </p> |
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186 * |
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187 * @param string the new item |
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188 * @param index the index for the item |
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189 * |
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190 * @exception IllegalArgumentException <ul> |
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191 * <li>ERROR_NULL_ARGUMENT - if the string is null</li> |
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192 * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list (inclusive)</li> |
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193 * </ul> |
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194 * @exception DWTException <ul> |
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195 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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196 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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197 * </ul> |
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198 * |
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199 * @see #add(String) |
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200 */ |
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201 public void add (String string, int index) { |
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202 checkWidget (); |
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203 if (string is null) error (DWT.ERROR_NULL_ARGUMENT); |
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204 int count = getItemCount (); |
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205 if (0 > index || index > count) error (DWT.ERROR_INVALID_RANGE); |
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206 NSString str = NSString.stringWith(string); |
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207 if ((style & DWT.READ_ONLY) !is 0) { |
7 | 208 NSMenu nsMenu = (cast(NSPopUpButton)view).menu(); |
62 | 209 NSMenuItem nsItem = cast(NSMenuItem)(new NSMenuItem()).alloc(); |
210 nsItem.initWithTitle(str, null, NSString.stringWith("")); | |
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211 nsMenu.insertItem(nsItem, index); |
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212 nsItem.release(); |
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213 } else { |
7 | 214 (cast(NSComboBox)view).insertItemWithObjectValue(str, index); |
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215 } |
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216 } |
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217 |
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218 /** |
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219 * Adds the listener to the collection of listeners who will |
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220 * be notified when the receiver's text is modified, by sending |
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221 * it one of the messages defined in the <code>ModifyListener</code> |
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222 * interface. |
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223 * |
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224 * @param listener the listener which should be notified |
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225 * |
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226 * @exception IllegalArgumentException <ul> |
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227 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
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228 * </ul> |
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229 * @exception DWTException <ul> |
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230 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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231 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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232 * </ul> |
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233 * |
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234 * @see ModifyListener |
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235 * @see #removeModifyListener |
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236 */ |
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237 public void addModifyListener (ModifyListener listener) { |
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238 checkWidget(); |
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239 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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240 TypedListener typedListener = new TypedListener (listener); |
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241 addListener (DWT.Modify, typedListener); |
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242 } |
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243 |
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244 /** |
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245 * Adds the listener to the collection of listeners who will |
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246 * be notified when the user changes the receiver's selection, by sending |
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247 * it one of the messages defined in the <code>SelectionListener</code> |
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248 * interface. |
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249 * <p> |
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250 * <code>widgetSelected</code> is called when the user changes the combo's list selection. |
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251 * <code>widgetDefaultSelected</code> is typically called when ENTER is pressed the combo's text area. |
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252 * </p> |
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253 * |
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254 * @param listener the listener which should be notified |
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255 * |
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256 * @exception IllegalArgumentException <ul> |
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257 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
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258 * </ul> |
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259 * @exception DWTException <ul> |
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260 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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261 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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262 * </ul> |
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263 * |
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264 * @see SelectionListener |
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265 * @see #removeSelectionListener |
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266 * @see SelectionEvent |
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267 */ |
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268 public void addSelectionListener(SelectionListener listener) { |
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269 checkWidget(); |
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270 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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271 TypedListener typedListener = new TypedListener (listener); |
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272 addListener (DWT.Selection,typedListener); |
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273 addListener (DWT.DefaultSelection,typedListener); |
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274 } |
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275 |
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276 /** |
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277 * Adds the listener to the collection of listeners who will |
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278 * be notified when the receiver's text is verified, by sending |
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279 * it one of the messages defined in the <code>VerifyListener</code> |
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280 * interface. |
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281 * |
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282 * @param listener the listener which should be notified |
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283 * |
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284 * @exception IllegalArgumentException <ul> |
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285 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
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286 * </ul> |
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287 * @exception DWTException <ul> |
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288 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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289 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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290 * </ul> |
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291 * |
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292 * @see VerifyListener |
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293 * @see #removeVerifyListener |
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294 * |
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295 * @since 3.1 |
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296 */ |
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297 public void addVerifyListener (VerifyListener listener) { |
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298 checkWidget(); |
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299 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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300 TypedListener typedListener = new TypedListener (listener); |
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301 addListener (DWT.Verify, typedListener); |
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302 } |
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303 |
62 | 304 bool becomeFirstResponder (objc.id id, objc.SEL sel) { |
45 | 305 receivingFocus = true; |
306 bool result = super.becomeFirstResponder (id, sel); | |
307 receivingFocus = false; | |
308 return result; | |
309 } | |
310 | |
0
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311 static int checkStyle (int style) { |
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312 /* |
123 | 313 * Feature in Windows. It is not possible to create |
314 * a combo box that has a border using Windows style | |
315 * bits. All combo boxes draw their own border and | |
316 * do not use the standard Windows border styles. | |
317 * Therefore, no matter what style bits are specified, | |
318 * clear the BORDER bits so that the DWT style will | |
319 * match the Windows widget. | |
320 * | |
321 * The Windows behavior is currently implemented on | |
322 * all platforms. | |
323 */ | |
0
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324 style &= ~DWT.BORDER; |
123 | 325 |
0
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326 /* |
123 | 327 * Even though it is legal to create this widget |
328 * with scroll bars, they serve no useful purpose | |
329 * because they do not automatically scroll the | |
330 * widget's client area. The fix is to clear | |
331 * the DWT style. | |
332 */ | |
0
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333 style &= ~(DWT.H_SCROLL | DWT.V_SCROLL); |
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334 style = checkBits (style, DWT.DROP_DOWN, DWT.SIMPLE, 0, 0, 0, 0); |
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335 if ((style & DWT.SIMPLE) !is 0) return style & ~DWT.READ_ONLY; |
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336 return style; |
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337 } |
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338 |
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339 protected void checkSubclass () { |
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340 if (!isValidSubclass ()) error (DWT.ERROR_INVALID_SUBCLASS); |
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341 } |
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342 |
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343 /** |
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344 * Sets the selection in the receiver's text field to an empty |
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345 * selection starting just before the first character. If the |
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346 * text field is editable, this has the effect of placing the |
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347 * i-beam at the start of the text. |
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348 * <p> |
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349 * Note: To clear the selected items in the receiver's list, |
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350 * use <code>deselectAll()</code>. |
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351 * </p> |
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352 * |
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353 * @exception DWTException <ul> |
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354 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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355 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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356 * </ul> |
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357 * |
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358 * @see #deselectAll |
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359 */ |
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360 public void clearSelection () { |
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361 checkWidget(); |
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362 if ((style & DWT.READ_ONLY) is 0) { |
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363 Point selection = getSelection (); |
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364 selection.y = selection.x; |
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365 setSelection (selection); |
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366 } |
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367 } |
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368 |
90 | 369 void comboBoxSelectionDidChange(objc.id id, objc.SEL sel, objc.id notification) { |
0
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370 sendSelection(); |
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371 } |
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372 |
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373 public Point computeSize (int wHint, int hHint, bool changed) { |
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374 checkWidget (); |
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375 int width = 0, height = 0; |
7 | 376 NSControl widget = cast(NSControl)view; |
62 | 377 NSRect rect = NSRect (); |
45 | 378 rect.width = rect.height = Float.MAX_VALUE; |
379 NSSize size = widget.cell ().cellSizeForBounds (rect); | |
62 | 380 width = cast(int)Math.ceil (size.width); |
45 | 381 height = cast(int)Math.ceil (size.height); |
382 /* | |
123 | 383 * Feature in Cocoa. Attempting to create an NSComboBox with a |
384 * height > 27 spews a very long warning message to stdout and | |
385 * often draws the combo incorrectly. The workaround is to limit | |
386 * the returned height of editable Combos to the height that is | |
387 * required to display their text, even if a larger hHint is specified. | |
388 */ | |
45 | 389 if (hHint !is DWT.DEFAULT) { |
390 if ((style & DWT.READ_ONLY) !is 0 || hHint < height) height = hHint; | |
391 } | |
0
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392 if (wHint !is DWT.DEFAULT) width = wHint; |
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393 return new Point (width, height); |
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394 } |
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395 |
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396 /** |
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397 * Copies the selected text. |
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398 * <p> |
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399 * The current selection is copied to the clipboard. |
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400 * </p> |
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401 * |
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402 * @exception DWTException <ul> |
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403 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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404 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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405 * </ul> |
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406 * |
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407 * @since 2.1 |
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408 */ |
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409 public void copy () { |
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410 checkWidget (); |
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411 Point selection = getSelection (); |
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412 if (selection.x is selection.y) return; |
45 | 413 copyToClipboard (getText (selection.x, selection.y)); |
0
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414 } |
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415 |
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416 void createHandle () { |
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417 if ((style & DWT.READ_ONLY) !is 0) { |
62 | 418 NSPopUpButton widget = cast(NSPopUpButton)(new SWTPopUpButton()).alloc(); |
46
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419 widget.initWithFrame(NSRect(), false); |
0
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420 widget.menu().setAutoenablesItems(false); |
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421 widget.setTarget(widget); |
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422 widget.setAction(OS.sel_sendSelection); |
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423 view = widget; |
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424 } else { |
62 | 425 NSComboBox widget = cast(NSComboBox)(new SWTComboBox()).alloc(); |
46
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426 widget.initWithFrame(NSRect()); |
0
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427 widget.setDelegate(widget); |
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428 view = widget; |
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429 } |
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430 } |
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431 |
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432 /** |
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433 * Cuts the selected text. |
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434 * <p> |
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435 * The current selection is first copied to the |
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436 * clipboard and then deleted from the widget. |
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437 * </p> |
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438 * |
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439 * @exception DWTException <ul> |
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440 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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441 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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442 * </ul> |
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443 * |
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444 * @since 2.1 |
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445 */ |
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446 public void cut () { |
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447 checkWidget (); |
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448 if ((style & DWT.READ_ONLY) !is 0) return; |
45 | 449 Point selection = getSelection (); |
450 if (selection.x is selection.y) return; | |
451 int start = selection.x, end = selection.y; | |
452 String text = getText (); | |
453 String leftText = text.substring (0, start); | |
454 String rightText = text.substring (end, text.length ()); | |
455 String oldText = text.substring (start, end); | |
456 String newText = ""; | |
457 if (hooks (DWT.Verify) || filters (DWT.Verify)) { | |
458 newText = verifyText (newText, start, end, null); | |
459 if (newText is null) return; | |
460 } | |
461 char [] buffer = new char [oldText.length ()]; | |
462 oldText.getChars (0, buffer.length, buffer, 0); | |
463 copyToClipboard (buffer); | |
90 | 464 setText (leftText ~ newText ~ rightText, false); |
45 | 465 start += newText.length (); |
466 setSelection (new Point (start, start)); | |
467 sendEvent (DWT.Modify); | |
0
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468 } |
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469 |
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470 Color defaultBackground () { |
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471 return display.getSystemColor (DWT.COLOR_LIST_BACKGROUND); |
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472 } |
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473 |
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474 Color defaultForeground () { |
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475 return display.getSystemColor (DWT.COLOR_LIST_FOREGROUND); |
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476 } |
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477 |
45 | 478 |
479 void deregister() { | |
480 super.deregister(); | |
62 | 481 display.removeWidget((cast(NSControl)view).cell()); |
45 | 482 } |
483 | |
0
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484 /** |
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485 * Deselects the item at the given zero-relative index in the receiver's |
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486 * list. If the item at the index was already deselected, it remains |
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487 * deselected. Indices that are out of range are ignored. |
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488 * |
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489 * @param index the index of the item to deselect |
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490 * |
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491 * @exception DWTException <ul> |
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492 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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493 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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494 * </ul> |
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495 */ |
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496 public void deselect (int index) { |
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497 checkWidget (); |
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498 if (index is -1) return; |
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499 if (index is getSelectionIndex ()) { |
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500 if ((style & DWT.READ_ONLY) !is 0) { |
7 | 501 (cast(NSPopUpButton)view).selectItem(null); |
0
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502 sendEvent (DWT.Modify); |
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503 } else { |
7 | 504 (cast(NSComboBox)view).deselectItemAtIndex(index); |
0
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505 } |
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506 } |
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507 } |
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508 |
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509 /** |
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510 * Deselects all selected items in the receiver's list. |
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511 * <p> |
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512 * Note: To clear the selection in the receiver's text field, |
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513 * use <code>clearSelection()</code>. |
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514 * </p> |
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515 * |
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516 * @exception DWTException <ul> |
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517 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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518 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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519 * </ul> |
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520 * |
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521 * @see #clearSelection |
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522 */ |
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523 public void deselectAll () { |
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524 checkWidget (); |
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525 if ((style & DWT.READ_ONLY) !is 0) { |
7 | 526 (cast(NSPopUpButton)view).selectItem(null); |
0
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527 sendEvent (DWT.Modify); |
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528 } else { |
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529 setText (""); |
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530 } |
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531 } |
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532 |
62 | 533 NSUInteger getCharCount() { |
0
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534 NSString str; |
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535 if ((style & DWT.READ_ONLY) !is 0) { |
7 | 536 str = (cast(NSPopUpButton)view).titleOfSelectedItem(); |
0
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537 } else { |
62 | 538 str = (new NSCell((cast(NSComboBox)view).cell())).title(); |
0
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539 } |
62 | 540 return str.length(); |
0
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541 } |
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542 |
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543 /** |
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544 * Returns the item at the given, zero-relative index in the |
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545 * receiver's list. Throws an exception if the index is out |
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546 * of range. |
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547 * |
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548 * @param index the index of the item to return |
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549 * @return the item at the given index |
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550 * |
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|
551 * @exception IllegalArgumentException <ul> |
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552 * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> |
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553 * </ul> |
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554 * @exception DWTException <ul> |
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555 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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556 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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557 * </ul> |
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558 */ |
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559 public String getItem (int index) { |
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560 checkWidget (); |
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561 int count = getItemCount (); |
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562 if (0 > index || index >= count) error (DWT.ERROR_INVALID_RANGE); |
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563 NSString str; |
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564 if ((style & DWT.READ_ONLY) !is 0) { |
7 | 565 str = (cast(NSPopUpButton)view).itemTitleAtIndex(index); |
0
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566 } else { |
7 | 567 str = new NSString((cast(NSComboBox)view).itemObjectValueAtIndex(index)); |
0
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568 } |
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569 if (str is null) error(DWT.ERROR_CANNOT_GET_ITEM); |
45 | 570 return str.getString(); |
0
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571 } |
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572 |
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573 /** |
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574 * Returns the number of items contained in the receiver's list. |
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575 * |
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576 * @return the number of items |
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577 * |
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578 * @exception DWTException <ul> |
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579 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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580 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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581 * </ul> |
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582 */ |
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583 public int getItemCount () { |
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584 checkWidget (); |
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585 if ((style & DWT.READ_ONLY) !is 0) { |
45 | 586 return cast(int)/*64*/(cast(NSPopUpButton)view).numberOfItems(); |
0
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587 } else { |
45 | 588 return cast(int)/*64*/(cast(NSComboBox)view).numberOfItems(); |
0
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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 * Returns the height of the area which would be used to |
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594 * display <em>one</em> of the items in the receiver's list. |
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595 * |
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596 * @return the height of one item |
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597 * |
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598 * @exception DWTException <ul> |
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599 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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600 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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601 * </ul> |
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602 */ |
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603 public int getItemHeight () { |
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604 checkWidget (); |
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605 //TODO - not supported by the OS |
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606 return 26; |
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607 } |
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608 |
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|
609 /** |
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610 * Returns a (possibly empty) array of <code>String</code>s which are |
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611 * the items in the receiver's list. |
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612 * <p> |
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613 * Note: This is not the actual structure used by the receiver |
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614 * to maintain its list of items, so modifying the array will |
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615 * not affect the receiver. |
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616 * </p> |
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617 * |
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618 * @return the items in the receiver's list |
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619 * |
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620 * @exception DWTException <ul> |
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621 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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622 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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623 * </ul> |
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624 */ |
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625 public String [] getItems () { |
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626 checkWidget (); |
62 | 627 NSUInteger count = getItemCount (); |
0
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628 String [] result = new String [count]; |
62 | 629 for (NSUInteger i=0; i<count; i++) result [i] = getItem (i); |
0
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630 return result; |
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|
631 } |
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|
632 |
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633 int getMininumHeight () { |
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634 return getTextHeight (); |
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635 } |
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636 |
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|
637 /** |
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638 * Returns the orientation of the receiver. |
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639 * |
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640 * @return the orientation style |
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641 * |
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642 * @exception DWTException <ul> |
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643 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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644 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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|
645 * </ul> |
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646 * |
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647 * @since 2.1.2 |
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648 */ |
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649 public int getOrientation () { |
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650 checkWidget(); |
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651 return style & (DWT.LEFT_TO_RIGHT | DWT.RIGHT_TO_LEFT); |
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652 } |
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653 |
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|
654 /** |
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655 * Returns a <code>Point</code> whose x coordinate is the |
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656 * character position representing the start of the selection |
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657 * in the receiver's text field, and whose y coordinate is the |
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658 * character position representing the end of the selection. |
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659 * An "empty" selection is indicated by the x and y coordinates |
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660 * having the same value. |
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661 * <p> |
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662 * Indexing is zero based. The range of a selection is from |
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663 * 0..N where N is the number of characters in the widget. |
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664 * </p> |
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665 * |
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666 * @return a point representing the selection start and end |
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667 * |
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668 * @exception DWTException <ul> |
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669 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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670 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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671 * </ul> |
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|
672 */ |
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|
673 public Point getSelection () { |
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|
674 checkWidget (); |
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|
675 if ((style & DWT.READ_ONLY) !is 0) { |
62 | 676 return new Point (0, cast(int) getCharCount ()); |
0
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677 } else { |
45 | 678 if (selectionRange is null) { |
62 | 679 NSString str = (new NSTextFieldCell ((cast(NSTextField) view).cell ())).title (); |
680 return new Point(cast(int)/*64*/str.length (), cast(int)/*64*/str.length ()); | |
45 | 681 } |
62 | 682 return new Point(cast(int)/*64*/selectionRange.location, cast(int)/*64*/(selectionRange.location + selectionRange.length)); |
0
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683 } |
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684 } |
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685 |
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686 /** |
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687 * Returns the zero-relative index of the item which is currently |
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688 * selected in the receiver's list, or -1 if no item is selected. |
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689 * |
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690 * @return the index of the selected item |
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691 * |
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692 * @exception DWTException <ul> |
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693 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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694 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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695 * </ul> |
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696 */ |
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697 public int getSelectionIndex () { |
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698 checkWidget (); |
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699 if ((style & DWT.READ_ONLY) !is 0) { |
45 | 700 return cast(int)/*64*/(cast(NSPopUpButton)view).indexOfSelectedItem(); |
0
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701 } else { |
45 | 702 return indexOf (getText ()); |
0
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703 } |
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704 } |
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705 |
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706 /** |
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707 * Returns a string containing a copy of the contents of the |
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708 * receiver's text field, or an empty string if there are no |
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709 * contents. |
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710 * |
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711 * @return the receiver's text |
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712 * |
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713 * @exception DWTException <ul> |
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714 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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715 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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716 * </ul> |
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717 */ |
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718 public String getText () { |
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719 checkWidget (); |
62 | 720 return new_String (getText(0, -1)); |
0
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721 } |
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722 |
90 | 723 char [] getText (int start, int end) { |
0
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724 NSString str; |
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725 if ((style & DWT.READ_ONLY) !is 0) { |
7 | 726 str = (cast(NSPopUpButton)view).titleOfSelectedItem(); |
0
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727 } else { |
62 | 728 str = (new NSCell((cast(NSComboBox)view).cell())).title(); |
0
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729 } |
90 | 730 if (str is null) return new char[0]; |
62 | 731 NSRange range = NSRange (); |
45 | 732 range.location = start; |
733 if (end is -1) { | |
62 | 734 NSUInteger length = str.length(); |
45 | 735 range.length = length - start; |
736 } else { | |
737 range.length = end - start; | |
738 } | |
90 | 739 char [] buffer= new char [range.length]; |
740 str.getCharacters(buffer.toString16().ptr, range); | |
45 | 741 return buffer; |
0
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742 } |
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743 |
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744 /** |
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745 * Returns the height of the receivers's text field. |
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746 * |
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747 * @return the text height |
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748 * |
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749 * @exception DWTException <ul> |
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750 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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751 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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752 * </ul> |
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753 */ |
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754 public int getTextHeight () { |
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755 checkWidget(); |
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|
756 //TODO - not supported by the OS |
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757 return 26; |
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758 } |
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|
759 |
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760 /** |
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761 * Returns the maximum number of characters that the receiver's |
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762 * text field is capable of holding. If this has not been changed |
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763 * by <code>setTextLimit()</code>, it will be the constant |
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764 * <code>Combo.LIMIT</code>. |
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765 * |
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766 * @return the text limit |
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767 * |
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768 * @exception DWTException <ul> |
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769 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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770 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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771 * </ul> |
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|
772 * |
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|
773 * @see #LIMIT |
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|
774 */ |
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|
775 public int getTextLimit () { |
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776 checkWidget(); |
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777 return textLimit; |
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778 } |
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|
779 |
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780 /** |
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781 * Gets the number of items that are visible in the drop |
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782 * down portion of the receiver's list. |
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783 * <p> |
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784 * Note: This operation is a hint and is not supported on |
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785 * platforms that do not have this concept. |
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786 * </p> |
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787 * |
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788 * @return the number of items that are visible |
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789 * |
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790 * @exception DWTException <ul> |
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791 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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792 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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793 * </ul> |
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794 * |
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795 * @since 3.0 |
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796 */ |
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|
797 public int getVisibleItemCount () { |
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798 checkWidget (); |
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799 if ((style & DWT.READ_ONLY) !is 0) { |
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800 return getItemCount (); |
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801 } else { |
45 | 802 return cast(int)/*64*/(cast(NSComboBox)view).numberOfVisibleItems(); |
0
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|
803 } |
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804 } |
123 | 805 |
0
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|
806 /** |
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|
807 * Searches the receiver's list starting at the first item |
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808 * (index 0) until an item is found that is equal to the |
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809 * argument, and returns the index of that item. If no item |
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810 * is found, returns -1. |
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|
811 * |
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changeset
|
812 * @param string the search item |
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813 * @return the index of the item |
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814 * |
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815 * @exception IllegalArgumentException <ul> |
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816 * <li>ERROR_NULL_ARGUMENT - if the string is null</li> |
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817 * </ul> |
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818 * @exception DWTException <ul> |
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819 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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820 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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821 * </ul> |
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822 */ |
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823 public int indexOf (String string) { |
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824 return indexOf (string, 0); |
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825 } |
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826 |
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827 /** |
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828 * Searches the receiver's list starting at the given, |
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829 * zero-relative index until an item is found that is equal |
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830 * to the argument, and returns the index of that item. If |
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831 * no item is found or the starting index is out of range, |
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832 * returns -1. |
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833 * |
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834 * @param string the search item |
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835 * @param start the zero-relative index at which to begin the search |
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836 * @return the index of the item |
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837 * |
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838 * @exception IllegalArgumentException <ul> |
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839 * <li>ERROR_NULL_ARGUMENT - if the string is null</li> |
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840 * </ul> |
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841 * @exception DWTException <ul> |
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842 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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843 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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844 * </ul> |
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845 */ |
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846 public int indexOf (String string, int start) { |
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847 checkWidget(); |
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848 if (string is null) error (DWT.ERROR_NULL_ARGUMENT); |
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849 int count = getItemCount (); |
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850 if (!(0 <= start && start < count)) return -1; |
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851 for (int i=start; i<count; i++) { |
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852 if (string.equals (getItem (i))) { |
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853 return i; |
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854 } |
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855 } |
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856 return -1; |
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857 } |
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858 |
45 | 859 void insertEditText (String string) { |
90 | 860 NSUInteger length_ = string.length (); |
45 | 861 Point selection = getSelection (); |
862 if (hasFocus ()) { | |
863 if (textLimit !is LIMIT) { | |
864 int charCount = getCharCount(); | |
90 | 865 if (charCount - (selection.y - selection.x) + length_ > textLimit) { |
866 length_ = textLimit - charCount + (selection.y - selection.x); | |
45 | 867 } |
868 } | |
90 | 869 char [] buffer = new char [length_]; |
45 | 870 string.getChars (0, buffer.length, buffer, 0); |
90 | 871 NSString nsstring = NSString.stringWithCharacters (buffer.toString16().ptr, buffer.length); |
62 | 872 NSText editor = (cast(NSTextField) view).currentEditor (); |
45 | 873 editor.replaceCharactersInRange (editor.selectedRange (), nsstring); |
874 selectionRange = null; | |
875 } else { | |
876 String oldText = getText (); | |
877 if (textLimit !is LIMIT) { | |
878 int charCount = oldText.length (); | |
90 | 879 if (charCount - (selection.y - selection.x) + length_ > textLimit) { |
45 | 880 string = string.substring(0, textLimit - charCount + (selection.y - selection.x)); |
881 } | |
882 } | |
90 | 883 String newText = oldText.substring (0, selection.x) ~ string ~ oldText.substring (selection.y); |
45 | 884 NSString nsstring = NSString.stringWith(newText); |
62 | 885 (new NSCell ((cast(NSTextField) view).cell ())).setTitle (nsstring); |
45 | 886 selectionRange = null; |
887 setSelection (new Point(selection.x + string.length (), 0)); | |
888 } | |
889 } | |
890 | |
0
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891 /** |
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892 * Pastes text from clipboard. |
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893 * <p> |
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894 * The selected text is deleted from the widget |
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895 * and new text inserted from the clipboard. |
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896 * </p> |
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897 * |
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898 * @exception DWTException <ul> |
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899 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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900 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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901 * </ul> |
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902 * |
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903 * @since 2.1 |
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904 */ |
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|
905 public void paste () { |
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906 checkWidget (); |
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907 if ((style & DWT.READ_ONLY) !is 0) return; |
45 | 908 Point selection = getSelection (); |
909 int start = selection.x, end = selection.y; | |
910 String text = getText (); | |
911 String leftText = text.substring (0, start); | |
912 String rightText = text.substring (end, text.length ()); | |
913 String newText = getClipboardText (); | |
914 if (hooks (DWT.Verify) || filters (DWT.Verify)) { | |
915 newText = verifyText (newText, start, end, null); | |
916 if (newText is null) return; | |
917 } | |
918 if (textLimit !is LIMIT) { | |
919 int charCount = text.length (); | |
920 if (charCount - (end - start) + newText.length() > textLimit) { | |
921 newText = newText.substring(0, textLimit - charCount + (end - start)); | |
922 } | |
923 } | |
90 | 924 setText (leftText ~ newText ~ rightText, false); |
45 | 925 start += newText.length (); |
926 setSelection (new Point (start, start)); | |
927 sendEvent (DWT.Modify); | |
928 } | |
929 | |
930 void register() { | |
931 super.register(); | |
62 | 932 display.addWidget((cast(NSControl)view).cell(), this); |
45 | 933 } |
934 | |
935 void releaseWidget () { | |
936 super.releaseWidget (); | |
937 selectionRange = null; | |
0
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938 } |
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|
939 |
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|
940 /** |
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941 * Removes the item from the receiver's list at the given |
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942 * zero-relative index. |
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943 * |
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944 * @param index the index for the item |
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945 * |
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946 * @exception IllegalArgumentException <ul> |
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947 * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> |
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948 * </ul> |
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949 * @exception DWTException <ul> |
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950 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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951 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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952 * </ul> |
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953 */ |
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954 public void remove (int index) { |
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955 checkWidget (); |
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956 if (index is -1) error (DWT.ERROR_INVALID_RANGE); |
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957 int count = getItemCount (); |
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958 if (0 > index || index >= count) error (DWT.ERROR_INVALID_RANGE); |
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959 if ((style & DWT.READ_ONLY) !is 0) { |
7 | 960 (cast(NSPopUpButton)view).removeItemAtIndex(index); |
0
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961 } else { |
7 | 962 (cast(NSComboBox)view).removeItemAtIndex(index); |
0
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|
963 } |
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|
964 } |
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|
965 |
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|
966 /** |
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967 * Removes the items from the receiver's list which are |
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968 * between the given zero-relative start and end |
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969 * indices (inclusive). |
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|
970 * |
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971 * @param start the start of the range |
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972 * @param end the end of the range |
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973 * |
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974 * @exception IllegalArgumentException <ul> |
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975 * <li>ERROR_INVALID_RANGE - if either the start or end are not between 0 and the number of elements in the list minus 1 (inclusive)</li> |
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976 * </ul> |
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|
977 * @exception DWTException <ul> |
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978 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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979 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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980 * </ul> |
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981 */ |
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982 public void remove (int start, int end) { |
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983 checkWidget(); |
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984 if (start > end) return; |
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985 int count = getItemCount (); |
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986 if (!(0 <= start && start <= end && end < count)) { |
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987 error (DWT.ERROR_INVALID_RANGE); |
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988 } |
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989 int newEnd = Math.min (end, count - 1); |
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990 for (int i=newEnd; i>=start; i--) { |
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991 remove(i); |
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992 } |
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993 } |
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994 |
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995 /** |
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996 * Searches the receiver's list starting at the first item |
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997 * until an item is found that is equal to the argument, |
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998 * and removes that item from the list. |
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999 * |
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1000 * @param string the item to remove |
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1001 * |
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1002 * @exception IllegalArgumentException <ul> |
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1003 * <li>ERROR_NULL_ARGUMENT - if the string is null</li> |
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1004 * <li>ERROR_INVALID_ARGUMENT - if the string is not found in the list</li> |
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1005 * </ul> |
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1006 * @exception DWTException <ul> |
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1007 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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1008 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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1009 * </ul> |
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1010 */ |
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1011 public void remove (String string) { |
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1012 checkWidget (); |
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1013 if (string is null) error (DWT.ERROR_NULL_ARGUMENT); |
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1014 int index = indexOf (string, 0); |
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1015 if (index is -1) error (DWT.ERROR_INVALID_ARGUMENT); |
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1016 remove (index); |
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1017 } |
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1018 |
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1019 /** |
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1020 * Removes all of the items from the receiver's list and clear the |
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1021 * contents of receiver's text field. |
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1022 * <p> |
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1023 * @exception DWTException <ul> |
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1024 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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1025 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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1026 * </ul> |
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1027 */ |
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1028 public void removeAll () { |
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1029 checkWidget (); |
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1030 if ((style & DWT.READ_ONLY) !is 0) { |
7 | 1031 (cast(NSPopUpButton)view).removeAllItems(); |
0
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1032 } else { |
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1033 setText ("", true); |
7 | 1034 (cast(NSComboBox)view).removeAllItems(); |
0
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1035 } |
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|
1036 } |
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1037 |
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|
1038 /** |
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1039 * Removes the listener from the collection of listeners who will |
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1040 * be notified when the receiver's text is modified. |
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1041 * |
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1042 * @param listener the listener which should no longer be notified |
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1043 * |
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1044 * @exception IllegalArgumentException <ul> |
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1045 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
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1046 * </ul> |
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1047 * @exception DWTException <ul> |
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1048 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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1049 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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1050 * </ul> |
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1051 * |
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1052 * @see ModifyListener |
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1053 * @see #addModifyListener |
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1054 */ |
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1055 public void removeModifyListener (ModifyListener listener) { |
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1056 checkWidget(); |
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1057 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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1058 if (eventTable is null) return; |
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1059 eventTable.unhook (DWT.Modify, listener); |
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1060 } |
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|
1061 |
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|
1062 /** |
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1063 * Removes the listener from the collection of listeners who will |
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1064 * be notified when the user changes the receiver's selection. |
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1065 * |
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1066 * @param listener the listener which should no longer be notified |
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1067 * |
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1068 * @exception IllegalArgumentException <ul> |
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1069 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
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1070 * </ul> |
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1071 * @exception DWTException <ul> |
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1072 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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1073 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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1074 * </ul> |
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1075 * |
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|
1076 * @see SelectionListener |
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1077 * @see #addSelectionListener |
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1078 */ |
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1079 public void removeSelectionListener (SelectionListener listener) { |
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1080 checkWidget(); |
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1081 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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1082 if (eventTable is null) return; |
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1083 eventTable.unhook (DWT.Selection, listener); |
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|
1084 eventTable.unhook (DWT.DefaultSelection,listener); |
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|
1085 } |
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|
1086 |
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|
1087 /** |
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1088 * Removes the listener from the collection of listeners who will |
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1089 * be notified when the control is verified. |
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|
1090 * |
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|
1091 * @param listener the listener which should no longer be notified |
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|
1092 * |
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|
1093 * @exception IllegalArgumentException <ul> |
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1094 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
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1095 * </ul> |
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1096 * @exception DWTException <ul> |
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1097 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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1098 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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1099 * </ul> |
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1100 * |
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1101 * @see VerifyListener |
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1102 * @see #addVerifyListener |
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1103 * |
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1104 * @since 3.1 |
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1105 */ |
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1106 public void removeVerifyListener (VerifyListener listener) { |
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1107 checkWidget(); |
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1108 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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1109 if (eventTable is null) return; |
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1110 eventTable.unhook (DWT.Verify, listener); |
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1111 } |
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1112 |
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1113 /** |
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1114 * Selects the item at the given zero-relative index in the receiver's |
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1115 * list. If the item at the index was already selected, it remains |
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1116 * selected. Indices that are out of range are ignored. |
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1117 * |
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1118 * @param index the index of the item to select |
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1119 * |
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1120 * @exception DWTException <ul> |
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1121 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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1122 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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1123 * </ul> |
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1124 */ |
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1125 public void select (int index) { |
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1126 checkWidget (); |
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1127 int count = getItemCount (); |
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1128 if (0 <= index && index < count) { |
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1129 if ((style & DWT.READ_ONLY) !is 0) { |
7 | 1130 (cast(NSPopUpButton)view).selectItemAtIndex(index); |
0
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1131 sendEvent (DWT.Modify); |
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1132 } else { |
7 | 1133 (cast(NSComboBox)view).selectItemAtIndex(index); |
0
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1134 } |
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1135 } |
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1136 } |
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1137 |
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1138 //bool sendKeyEvent (int type, Event event) { |
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1139 // if (!super.sendKeyEvent (type, event)) { |
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1140 // return false; |
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1141 // } |
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1142 // if (type !is DWT.KeyDown) return true; |
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1143 // if ((style & DWT.READ_ONLY) !is 0) return true; |
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1144 // if (event.character is 0) return true; |
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1145 // if ((event.stateMask & DWT.COMMAND) !is 0) return true; |
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1146 // String oldText = "", newText = ""; |
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1147 // if (hooks (DWT.Verify) || filters (DWT.Verify)) { |
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1148 // int charCount = getCharCount (); |
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1149 // Point selection = getSelection (); |
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1150 // int start = selection.x, end = selection.y; |
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1151 // switch (event.character) { |
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1152 // case DWT.BS: |
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1153 // if (start is end) { |
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1154 // if (start is 0) return true; |
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1155 // start = Math.max (0, start - 1); |
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1156 // } |
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1157 // break; |
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1158 // case DWT.DEL: |
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1159 // if (start is end) { |
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1160 // if (start is charCount) return true; |
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1161 // end = Math.min (end + 1, charCount); |
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1162 // } |
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1163 // break; |
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1164 // case DWT.CR: |
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1165 // return true; |
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1166 // default: |
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1167 // if (event.character !is '\t' && event.character < 0x20) return true; |
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1168 // oldText = new String (new char [] {event.character}); |
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1169 // } |
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1170 // newText = verifyText (oldText, start, end, event); |
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1171 // if (newText is null) return false; |
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1172 // if (charCount - (end - start) + newText.length () > textLimit) { |
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1173 // return false; |
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1174 // } |
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1175 // if (newText !is oldText) { |
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1176 // String text = getText (); |
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1177 // String leftText = text.substring (0, start); |
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1178 // String rightText = text.substring (end, text.length ()); |
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1179 // setText (leftText + newText + rightText, false); |
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1180 // start += newText.length (); |
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1181 // setSelection (new Point (start, start)); |
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1182 // } |
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1183 // } |
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1184 // /* |
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1185 // * Post the modify event so that the character will be inserted |
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1186 // * into the widget when the modify event is delivered. Normally, |
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1187 // * modify events are sent but it is safe to post the event here |
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1188 // * because this method is called from the event loop. |
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1189 // */ |
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1190 // postEvent (DWT.Modify); |
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1191 // return newText is oldText; |
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1192 //} |
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1193 |
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1194 void sendSelection () { |
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1195 postEvent(DWT.Selection); |
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1196 } |
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1197 |
45 | 1198 bool sendKeyEvent (NSEvent nsEvent, int type) { |
1199 bool result = super.sendKeyEvent (nsEvent, type); | |
1200 if (!result) return result; | |
1201 int stateMask = 0; | |
62 | 1202 NSUInteger modifierFlags = nsEvent.modifierFlags(); |
45 | 1203 if ((modifierFlags & OS.NSAlternateKeyMask) !is 0) stateMask |= DWT.ALT; |
1204 if ((modifierFlags & OS.NSShiftKeyMask) !is 0) stateMask |= DWT.SHIFT; | |
1205 if ((modifierFlags & OS.NSControlKeyMask) !is 0) stateMask |= DWT.CONTROL; | |
1206 if ((modifierFlags & OS.NSCommandKeyMask) !is 0) stateMask |= DWT.COMMAND; | |
1207 if (type !is DWT.KeyDown) return result; | |
1208 if (stateMask is DWT.COMMAND) { | |
62 | 1209 ushort keyCode = nsEvent.keyCode (); |
45 | 1210 switch (keyCode) { |
1211 case 7: /* X */ | |
1212 cut (); | |
1213 return false; | |
1214 case 8: /* C */ | |
1215 copy (); | |
1216 return false; | |
1217 case 9: /* V */ | |
1218 paste (); | |
1219 return false; | |
1220 } | |
1221 } | |
1222 if ((style & DWT.SINGLE) !is 0) { | |
62 | 1223 ushort keyCode = nsEvent.keyCode (); |
45 | 1224 switch (keyCode) { |
1225 case 76: /* KP Enter */ | |
1226 case 36: /* Return */ | |
1227 postEvent (DWT.DefaultSelection); | |
140 | 1228 default: |
45 | 1229 } |
1230 } | |
1231 if ((style & DWT.READ_ONLY) !is 0) return result; | |
1232 if ((stateMask & DWT.COMMAND) !is 0) return result; | |
1233 String oldText = ""; | |
1234 int charCount = getCharCount (); | |
1235 Point selection = getSelection (); | |
1236 int start = selection.x, end = selection.y; | |
62 | 1237 ushort keyCode = nsEvent.keyCode (); |
45 | 1238 NSString characters = nsEvent.charactersIgnoringModifiers(); |
139 | 1239 char character = toChar(characters.characterAtIndex(0)); |
45 | 1240 switch (keyCode) { |
1241 case 51: /* Backspace */ | |
1242 if (start is end) { | |
1243 if (start is 0) return true; | |
1244 start = Math.max (0, start - 1); | |
1245 } | |
1246 break; | |
1247 case 117: /* Delete */ | |
1248 if (start is end) { | |
1249 if (start is charCount) return true; | |
1250 end = Math.min (end + 1, charCount); | |
1251 } | |
1252 break; | |
1253 default: | |
1254 if (character !is '\t' && character < 0x20) return true; | |
62 | 1255 oldText = new_String ([character]); |
45 | 1256 } |
139 | 1257 char[] newText = verifyText (oldText, start, end, nsEvent); |
45 | 1258 if (newText is null) return false; |
1259 if (charCount - (end - start) + newText.length () > textLimit) { | |
1260 return false; | |
1261 } | |
1262 result = newText is oldText; | |
1263 if (newText !is oldText) { | |
1264 insertEditText (newText); | |
1265 if (newText.length () !is 0) sendEvent (DWT.Modify); | |
1266 } | |
1267 return result; | |
1268 } | |
1269 | |
90 | 1270 void setBackground (Carbon.CGFloat [] color) { |
0
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1271 NSColor nsColor; |
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1272 if (color is null) { |
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1273 return; // TODO reset to OS default |
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1274 } else { |
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1275 nsColor = NSColor.colorWithDeviceRed(color[0], color[1], color[2], 1); |
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1276 } |
45 | 1277 if ((style & DWT.READ_ONLY) !is 0) { |
1278 //TODO | |
1279 } else { | |
1280 (cast(NSTextField)view).setBackgroundColor(nsColor); | |
1281 } | |
1282 } | |
1283 | |
1284 void setBounds (int x, int y, int width, int height, bool move, bool resize) { | |
1285 /* | |
1286 * Feature in Cocoa. Attempting to create an NSComboBox with a | |
1287 * height > 27 spews a very long warning message to stdout and | |
1288 * often draws the combo incorrectly. The workaround is to limit | |
1289 * the height of editable Combos to the height that is required | |
1290 * to display their text. | |
1291 */ | |
1292 if ((style & DWT.READ_ONLY) is 0) { | |
62 | 1293 NSControl widget = cast(NSControl)view; |
1294 NSRect rect = NSRect (); | |
45 | 1295 rect.width = rect.height = Float.MAX_VALUE; |
1296 NSSize size = widget.cell ().cellSizeForBounds (rect); | |
62 | 1297 height = Math.min (height, cast(int)Math.ceil (size.height)); |
45 | 1298 } |
1299 super.setBounds (x, y, width, height, move, resize); | |
0
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1300 } |
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1301 |
90 | 1302 void setForeground (Carbon.CGFloat [] color) { |
0
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1303 NSColor nsColor; |
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1304 if (color is null) { |
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1305 return; // TODO reset to OS default |
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1306 } else { |
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1307 nsColor = NSColor.colorWithDeviceRed(color[0], color[1], color[2], 1); |
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1308 } |
45 | 1309 if ((style & DWT.READ_ONLY) !is 0) { |
1310 //TODO | |
1311 } else { | |
1312 (cast(NSTextField)view).setTextColor(nsColor); | |
1313 } | |
0
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1314 } |
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1315 |
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1316 /** |
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1317 * Sets the text of the item in the receiver's list at the given |
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1318 * zero-relative index to the string argument. |
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1319 * |
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1320 * @param index the index for the item |
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1321 * @param string the new text for the item |
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1322 * |
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1323 * @exception IllegalArgumentException <ul> |
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1324 * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> |
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1325 * <li>ERROR_NULL_ARGUMENT - if the string is null</li> |
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1326 * </ul> |
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1327 * @exception DWTException <ul> |
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1328 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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1329 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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1330 * </ul> |
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1331 */ |
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1332 public void setItem (int index, String string) { |
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1333 checkWidget (); |
62 | 1334 //if (string is null) error (DWT.ERROR_NULL_ARGUMENT); |
0
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1335 int count = getItemCount (); |
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1336 if (0 > index || index >= count) error (DWT.ERROR_INVALID_RANGE); |
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1337 NSString str = NSString.stringWith(string); |
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1338 if ((style & DWT.READ_ONLY) !is 0) { |
7 | 1339 NSMenuItem nsItem = (cast(NSPopUpButton)view).itemAtIndex(index); |
0
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1340 nsItem.setTitle(str); |
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1341 } else { |
7 | 1342 NSComboBox widget = cast(NSComboBox)view; |
0
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1343 widget.insertItemWithObjectValue(str, index); |
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1344 widget.removeItemAtIndex(index + 1); |
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1345 } |
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1346 } |
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1347 |
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1348 /** |
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1349 * Sets the receiver's list to be the given array of items. |
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1350 * |
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1351 * @param items the array of items |
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1352 * |
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1353 * @exception IllegalArgumentException <ul> |
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1354 * <li>ERROR_NULL_ARGUMENT - if the items array is null</li> |
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1355 * <li>ERROR_INVALID_ARGUMENT - if an item in the items array is null</li> |
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1356 * </ul> |
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1357 * @exception DWTException <ul> |
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1358 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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1359 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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1360 * </ul> |
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1361 */ |
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1362 public void setItems (String [] items) { |
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1363 checkWidget(); |
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1364 if (items is null) error (DWT.ERROR_NULL_ARGUMENT); |
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1365 for (int i=0; i<items.length; i++) { |
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1366 if (items [i] is null) error (DWT.ERROR_INVALID_ARGUMENT); |
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1367 } |
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1368 removeAll(); |
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1369 if (items.length is 0) return; |
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1370 for (int i= 0; i < items.length; i++) { |
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1371 NSString str = NSString.stringWith(items[i]); |
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1372 if ((style & DWT.READ_ONLY) !is 0) { |
7 | 1373 NSMenu nsMenu = (cast(NSPopUpButton)view).menu(); |
62 | 1374 NSMenuItem nsItem = cast(NSMenuItem)(new NSMenuItem()).alloc(); |
1375 nsItem.initWithTitle(str, null, NSString.stringWith("")); | |
0
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1376 nsMenu.addItem(nsItem); |
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1377 nsItem.release(); |
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1378 } else { |
7 | 1379 (cast(NSComboBox)view).addItemWithObjectValue(str); |
0
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1380 } |
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1381 } |
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1382 } |
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1383 |
45 | 1384 /** |
1385 * Marks the receiver's list as visible if the argument is <code>true</code>, | |
1386 * and marks it invisible otherwise. | |
1387 * <p> | |
1388 * If one of the receiver's ancestors is not visible or some | |
1389 * other condition makes the receiver not visible, marking | |
1390 * it visible may not actually cause it to be displayed. | |
1391 * </p> | |
1392 * | |
1393 * @param visible the new visibility state | |
1394 * | |
1395 * @exception DWTException <ul> | |
1396 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
1397 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
1398 * </ul> | |
1399 * | |
1400 * @since 3.4 | |
1401 */ | |
0
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1402 /*public*/ void setListVisible (bool visible) { |
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1403 checkWidget (); |
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1404 if ((style & DWT.READ_ONLY) !is 0) { |
7 | 1405 (cast(NSPopUpButton)view).setPullsDown(visible); |
0
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1406 } else { |
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1407 } |
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1408 } |
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1409 |
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1410 /** |
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1411 * Sets the orientation of the receiver, which must be one |
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1412 * of the constants <code>DWT.LEFT_TO_RIGHT</code> or <code>DWT.RIGHT_TO_LEFT</code>. |
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1413 * <p> |
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1414 * |
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1415 * @param orientation new orientation style |
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1416 * |
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1417 * @exception DWTException <ul> |
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1418 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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1419 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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1420 * </ul> |
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1421 * |
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|
1422 * @since 2.1.2 |
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1423 */ |
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1424 public void setOrientation (int orientation) { |
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1425 checkWidget(); |
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1426 } |
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1427 |
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1428 /** |
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1429 * Sets the selection in the receiver's text field to the |
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1430 * range specified by the argument whose x coordinate is the |
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1431 * start of the selection and whose y coordinate is the end |
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1432 * of the selection. |
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1433 * |
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1434 * @param selection a point representing the new selection start and end |
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1435 * |
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1436 * @exception IllegalArgumentException <ul> |
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1437 * <li>ERROR_NULL_ARGUMENT - if the point is null</li> |
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1438 * </ul> |
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1439 * @exception DWTException <ul> |
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1440 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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1441 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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1442 * </ul> |
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1443 */ |
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1444 public void setSelection (Point selection) { |
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1445 checkWidget (); |
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1446 if (selection is null) error (DWT.ERROR_NULL_ARGUMENT); |
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1447 if ((style & DWT.READ_ONLY) is 0) { |
62 | 1448 NSString str = (new NSCell((cast(NSComboBox)view).cell())).title(); |
1449 NSUInteger length = str.length(); | |
1450 NSUInteger start = Math.min (Math.max (Math.min (selection.x, selection.y), 0), length); | |
1451 NSUInteger end = Math.min (Math.max (Math.max (selection.x, selection.y), 0), length); | |
90 | 1452 selectionRangeStruct = NSRange(); |
1453 selectionRange = &selectionRangeStruct; | |
45 | 1454 selectionRange.location = start; |
1455 selectionRange.length = end - start; | |
1456 if (this is display.getFocusControl ()) { | |
1457 NSText editor = view.window().fieldEditor(false, view); | |
90 | 1458 editor.setSelectedRange(selectionRangeStruct); |
45 | 1459 } |
0
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1460 } |
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1461 } |
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1462 |
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|
1463 /** |
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1464 * Sets the contents of the receiver's text field to the |
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1465 * given string. |
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1466 * <p> |
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1467 * Note: The text field in a <code>Combo</code> is typically |
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1468 * only capable of displaying a single line of text. Thus, |
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1469 * setting the text to a string containing line breaks or |
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1470 * other special characters will probably cause it to |
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1471 * display incorrectly. |
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1472 * </p> |
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1473 * |
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1474 * @param string the new text |
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1475 * |
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1476 * @exception IllegalArgumentException <ul> |
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1477 * <li>ERROR_NULL_ARGUMENT - if the string is null</li> |
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1478 * </ul> |
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1479 * @exception DWTException <ul> |
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1480 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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1481 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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1482 * </ul> |
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1483 */ |
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1484 public void setText (String string) { |
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1485 checkWidget (); |
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1486 if (string is null) error (DWT.ERROR_NULL_ARGUMENT); |
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1487 setText (string, true); |
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1488 } |
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1489 |
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1490 void setText (String string, bool notify) { |
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1491 if (notify) { |
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1492 if (hooks (DWT.Verify) || filters (DWT.Verify)) { |
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1493 string = verifyText (string, 0, getCharCount (), null); |
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1494 if (string is null) return; |
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1495 } |
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|
1496 } |
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1497 if ((style & DWT.READ_ONLY) !is 0) { |
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1498 int index = indexOf (string); |
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1499 if (index !is -1 && index !is getSelectionIndex ()) { |
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1500 select (index); |
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1501 if (notify) sendEvent (DWT.Modify); |
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1502 } |
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1503 } else { |
62 | 1504 (new NSCell((cast(NSComboBox)view).cell())).setTitle(NSString.stringWith(string)); |
0
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1505 if (notify) sendEvent (DWT.Modify); |
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1506 } |
45 | 1507 selectionRange = null; |
0
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1508 } |
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1509 |
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1510 /** |
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1511 * Sets the maximum number of characters that the receiver's |
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1512 * text field is capable of holding to be the argument. |
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1513 * <p> |
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1514 * To reset this value to the default, use <code>setTextLimit(Combo.LIMIT)</code>. |
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1515 * Specifying a limit value larger than <code>Combo.LIMIT</code> sets the |
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1516 * receiver's limit to <code>Combo.LIMIT</code>. |
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1517 * </p> |
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1518 * @param limit new text limit |
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1519 * |
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1520 * @exception IllegalArgumentException <ul> |
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1521 * <li>ERROR_CANNOT_BE_ZERO - if the limit is zero</li> |
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1522 * </ul> |
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1523 * @exception DWTException <ul> |
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1524 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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1525 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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1526 * </ul> |
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1527 * |
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1528 * @see #LIMIT |
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1529 */ |
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1530 public void setTextLimit (int limit) { |
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1531 checkWidget (); |
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1532 if (limit is 0) error (DWT.ERROR_CANNOT_BE_ZERO); |
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1533 textLimit = limit; |
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1534 } |
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1535 |
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1536 /** |
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1537 * Sets the number of items that are visible in the drop |
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1538 * down portion of the receiver's list. |
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1539 * <p> |
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1540 * Note: This operation is a hint and is not supported on |
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1541 * platforms that do not have this concept. |
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1542 * </p> |
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1543 * |
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1544 * @param count the new number of items to be visible |
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1545 * |
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1546 * @exception DWTException <ul> |
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1547 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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1548 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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1549 * </ul> |
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1550 * |
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1551 * @since 3.0 |
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1552 */ |
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1553 public void setVisibleItemCount (int count) { |
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1554 checkWidget (); |
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1555 if (count < 0) return; |
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1556 if ((style & DWT.READ_ONLY) !is 0) { |
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1557 //TODO |
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1558 } else { |
7 | 1559 (cast(NSComboBox)view).setNumberOfVisibleItems(count); |
0
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1560 } |
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1561 } |
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1562 |
62 | 1563 void textViewDidChangeSelection(objc.id id, objc.SEL sel, objc.id aNotification) { |
45 | 1564 NSNotification notification = new NSNotification(aNotification); |
1565 NSText editor = new NSText(notification.object().id); | |
90 | 1566 selectionRangeStruct = editor.selectedRange(); |
45 | 1567 } |
1568 | |
62 | 1569 void textDidChange (objc.id id, objc.SEL sel, objc.id aNotification) { |
45 | 1570 postEvent (DWT.Modify); |
1571 } | |
1572 | |
62 | 1573 NSRange textView_willChangeSelectionFromCharacterRange_toCharacterRange(objc.id id, objc.SEL sel, objc.id aTextView, objc.id oldSelectedCharRange, objc.id newSelectedCharRange) { |
45 | 1574 /* |
123 | 1575 * If the selection is changing as a result of the receiver getting focus |
1576 * then return the receiver's last selection range, otherwise the full | |
1577 * text will be automatically selected. | |
1578 */ | |
90 | 1579 if (receivingFocus && selectionRange !is null) return selectionRangeStruct; |
123 | 1580 |
45 | 1581 /* allow the selection change to proceed */ |
46
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1582 NSRange result = NSRange(); |
62 | 1583 OS.memmove(&result, newSelectedCharRange, NSRange.sizeof); |
45 | 1584 return result; |
1585 } | |
1586 | |
1587 String verifyText (String string, int start, int end, NSEvent keyEvent) { | |
0
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1588 Event event = new Event (); |
45 | 1589 if (keyEvent !is null) setKeyState(event, DWT.MouseDown, keyEvent); |
0
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1590 event.text = string; |
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1591 event.start = start; |
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1592 event.end = end; |
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1593 /* |
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1594 * It is possible (but unlikely), that application |
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1595 * code could have disposed the widget in the verify |
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1596 * event. If this happens, answer null to cancel |
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1597 * the operation. |
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1598 */ |
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1599 sendEvent (DWT.Verify, event); |
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1600 if (!event.doit || isDisposed ()) return null; |
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1601 return event.text; |
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1602 } |
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1603 |
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1604 } |