Mercurial > projects > dwt-mac
annotate dwt/widgets/Combo.d @ 45:d8635bb48c7c
Merge with SWT 3.5
author | Jacob Carlborg <doob@me.com> |
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date | Mon, 01 Dec 2008 17:07:00 +0100 |
parents | e831403a80a9 |
children | cfa563df4fdd |
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 |
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10 *******************************************************************************/ |
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11 module dwt.widgets.Combo; |
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12 |
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13 import dwt.dwthelper.utils; |
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14 |
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15 |
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16 import dwt.DWT; |
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17 import dwt.DWTException; |
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18 import dwt.events.ModifyListener; |
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19 import dwt.events.SelectionEvent; |
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20 import dwt.events.SelectionListener; |
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21 import dwt.events.VerifyListener; |
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22 import dwt.graphics.Color; |
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23 import dwt.graphics.Point; |
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24 import dwt.internal.cocoa.NSCell; |
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25 import dwt.internal.cocoa.NSColor; |
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26 import dwt.internal.cocoa.NSComboBox; |
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27 import dwt.internal.cocoa.NSControl; |
45 | 28 import dwt.internal.cocoa.NSEvent; |
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29 import dwt.internal.cocoa.NSMenu; |
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30 import dwt.internal.cocoa.NSMenuItem; |
45 | 31 import dwt.internal.cocoa.NSNotification; |
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32 import dwt.internal.cocoa.NSPopUpButton; |
45 | 33 import dwt.internal.cocoa.NSRange; |
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34 import dwt.internal.cocoa.NSRect; |
45 | 35 import dwt.internal.cocoa.NSSize; |
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36 import dwt.internal.cocoa.NSString; |
45 | 37 import dwt.internal.cocoa.NSText; |
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38 import dwt.internal.cocoa.NSTextField; |
45 | 39 import dwt.internal.cocoa.NSTextFieldCell; |
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40 import dwt.internal.cocoa.OS; |
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41 import dwt.internal.cocoa.SWTComboBox; |
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42 import dwt.internal.cocoa.SWTPopUpButton; |
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43 |
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44 /** |
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45 * Instances of this class are controls that allow the user |
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46 * to choose an item from a list of items, or optionally |
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47 * enter a new value by typing it into an editable text |
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48 * field. Often, <code>Combo</code>s are used in the same place |
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49 * where a single selection <code>List</code> widget could |
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50 * be used but space is limited. A <code>Combo</code> takes |
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51 * less space than a <code>List</code> widget and shows |
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52 * similar information. |
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53 * <p> |
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54 * Note: Since <code>Combo</code>s can contain both a list |
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55 * and an editable text field, it is possible to confuse methods |
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56 * which access one versus the other (compare for example, |
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57 * <code>clearSelection()</code> and <code>deselectAll()</code>). |
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58 * The API documentation is careful to indicate either "the |
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59 * receiver's list" or the "the receiver's text field" to |
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60 * distinguish between the two cases. |
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61 * </p><p> |
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62 * Note that although this class is a subclass of <code>Composite</code>, |
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63 * it does not make sense to add children to it, or set a layout on it. |
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64 * </p> |
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65 * <dl> |
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66 * <dt><b>Styles:</b></dt> |
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67 * <dd>DROP_DOWN, READ_ONLY, SIMPLE</dd> |
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68 * <dt><b>Events:</b></dt> |
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69 * <dd>DefaultSelection, Modify, Selection, Verify</dd> |
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70 * </dl> |
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71 * <p> |
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72 * Note: Only one of the styles DROP_DOWN and SIMPLE may be specified. |
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73 * </p><p> |
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74 * IMPORTANT: This class is <em>not</em> intended to be subclassed. |
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75 * </p> |
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76 * |
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77 * @see List |
45 | 78 * @see <a href="http://www.eclipse.org/swt/snippets/#combo">Combo snippets</a> |
79 * @see <a href="http://www.eclipse.org/swt/examples.php">DWT Example: ControlExample</a> | |
80 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> | |
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81 */ |
3 | 82 public class Combo : Composite { |
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83 int textLimit = LIMIT; |
45 | 84 bool receivingFocus; |
85 NSRange selectionRange; | |
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86 |
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87 /** |
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88 * the operating system limit for the number of characters |
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89 * that the text field in an instance of this class can hold |
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90 */ |
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91 public static final int LIMIT; |
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92 |
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93 /* |
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94 * These values can be different on different platforms. |
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95 * Therefore they are not initialized in the declaration |
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96 * to stop the compiler from inlining. |
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97 */ |
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98 static { |
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99 LIMIT = 0x7FFFFFFF; |
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100 } |
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101 |
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102 |
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103 /** |
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104 * Constructs a new instance of this class given its parent |
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105 * and a style value describing its behavior and appearance. |
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106 * <p> |
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107 * The style value is either one of the style constants defined in |
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108 * class <code>DWT</code> which is applicable to instances of this |
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109 * class, or must be built by <em>bitwise OR</em>'ing together |
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110 * (that is, using the <code>int</code> "|" operator) two or more |
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111 * of those <code>DWT</code> style constants. The class description |
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112 * lists the style constants that are applicable to the class. |
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113 * Style bits are also inherited from superclasses. |
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114 * </p> |
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115 * |
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116 * @param parent a composite control which will be the parent of the new instance (cannot be null) |
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117 * @param style the style of control to construct |
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118 * |
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119 * @exception IllegalArgumentException <ul> |
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120 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> |
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121 * </ul> |
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122 * @exception DWTException <ul> |
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123 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> |
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124 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> |
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125 * </ul> |
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126 * |
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127 * @see DWT#DROP_DOWN |
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128 * @see DWT#READ_ONLY |
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129 * @see DWT#SIMPLE |
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130 * @see Widget#checkSubclass |
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131 * @see Widget#getStyle |
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132 */ |
5 | 133 public this (Composite parent, int style) { |
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134 super (parent, checkStyle (style)); |
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135 } |
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136 |
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137 /** |
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138 * Adds the argument to the end of the receiver's list. |
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139 * |
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140 * @param string the new item |
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141 * |
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142 * @exception IllegalArgumentException <ul> |
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143 * <li>ERROR_NULL_ARGUMENT - if the string is null</li> |
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144 * </ul> |
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145 * @exception DWTException <ul> |
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146 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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147 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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148 * </ul> |
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149 * |
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150 * @see #add(String,int) |
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151 */ |
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152 public void add (String string) { |
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153 checkWidget (); |
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154 if (string is null) error (DWT.ERROR_NULL_ARGUMENT); |
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155 NSString str = NSString.stringWith(string); |
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156 if ((style & DWT.READ_ONLY) !is 0) { |
7 | 157 NSMenu nsMenu = (cast(NSPopUpButton)view).menu(); |
158 NSMenuItem nsItem = cast(NSMenuItem)new NSMenuItem().alloc(); | |
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159 nsItem.initWithTitle(str, 0, NSString.stringWith("")); |
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160 nsMenu.addItem(nsItem); |
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161 nsItem.release(); |
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162 } else { |
7 | 163 (cast(NSComboBox)view).addItemWithObjectValue(str); |
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164 } |
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165 } |
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166 |
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167 /** |
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168 * Adds the argument to the receiver's list at the given |
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169 * zero-relative index. |
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170 * <p> |
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171 * Note: To add an item at the end of the list, use the |
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172 * result of calling <code>getItemCount()</code> as the |
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173 * index or use <code>add(String)</code>. |
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174 * </p> |
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175 * |
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176 * @param string the new item |
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177 * @param index the index for the item |
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178 * |
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179 * @exception IllegalArgumentException <ul> |
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180 * <li>ERROR_NULL_ARGUMENT - if the string is null</li> |
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181 * <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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182 * </ul> |
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183 * @exception DWTException <ul> |
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184 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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185 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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186 * </ul> |
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187 * |
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188 * @see #add(String) |
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189 */ |
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190 public void add (String string, int index) { |
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191 checkWidget (); |
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192 if (string is null) error (DWT.ERROR_NULL_ARGUMENT); |
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193 int count = getItemCount (); |
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194 if (0 > index || index > count) error (DWT.ERROR_INVALID_RANGE); |
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195 NSString str = NSString.stringWith(string); |
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196 if ((style & DWT.READ_ONLY) !is 0) { |
7 | 197 NSMenu nsMenu = (cast(NSPopUpButton)view).menu(); |
198 NSMenuItem nsItem = cast(NSMenuItem)new NSMenuItem().alloc(); | |
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199 nsItem.initWithTitle(str, 0, NSString.stringWith("")); |
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200 nsMenu.insertItem(nsItem, index); |
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201 nsItem.release(); |
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202 } else { |
7 | 203 (cast(NSComboBox)view).insertItemWithObjectValue(str, index); |
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204 } |
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205 } |
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206 |
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207 /** |
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208 * Adds the listener to the collection of listeners who will |
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209 * be notified when the receiver's text is modified, by sending |
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210 * it one of the messages defined in the <code>ModifyListener</code> |
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211 * interface. |
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212 * |
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213 * @param listener the listener which should be notified |
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214 * |
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215 * @exception IllegalArgumentException <ul> |
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216 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
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217 * </ul> |
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218 * @exception DWTException <ul> |
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219 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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220 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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221 * </ul> |
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222 * |
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223 * @see ModifyListener |
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224 * @see #removeModifyListener |
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225 */ |
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226 public void addModifyListener (ModifyListener listener) { |
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227 checkWidget(); |
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228 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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229 TypedListener typedListener = new TypedListener (listener); |
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230 addListener (DWT.Modify, typedListener); |
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231 } |
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232 |
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233 /** |
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234 * Adds the listener to the collection of listeners who will |
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235 * be notified when the user changes the receiver's selection, by sending |
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236 * it one of the messages defined in the <code>SelectionListener</code> |
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237 * interface. |
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238 * <p> |
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239 * <code>widgetSelected</code> is called when the user changes the combo's list selection. |
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240 * <code>widgetDefaultSelected</code> is typically called when ENTER is pressed the combo's text area. |
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241 * </p> |
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242 * |
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243 * @param listener the listener which should be notified |
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244 * |
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245 * @exception IllegalArgumentException <ul> |
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246 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
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247 * </ul> |
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248 * @exception DWTException <ul> |
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249 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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250 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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251 * </ul> |
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252 * |
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253 * @see SelectionListener |
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254 * @see #removeSelectionListener |
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255 * @see SelectionEvent |
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256 */ |
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257 public void addSelectionListener(SelectionListener listener) { |
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258 checkWidget(); |
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259 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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260 TypedListener typedListener = new TypedListener (listener); |
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261 addListener (DWT.Selection,typedListener); |
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262 addListener (DWT.DefaultSelection,typedListener); |
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263 } |
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264 |
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265 /** |
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266 * Adds the listener to the collection of listeners who will |
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267 * be notified when the receiver's text is verified, by sending |
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268 * it one of the messages defined in the <code>VerifyListener</code> |
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269 * interface. |
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270 * |
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271 * @param listener the listener which should be notified |
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272 * |
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273 * @exception IllegalArgumentException <ul> |
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274 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
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275 * </ul> |
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276 * @exception DWTException <ul> |
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277 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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278 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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279 * </ul> |
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280 * |
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281 * @see VerifyListener |
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282 * @see #removeVerifyListener |
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283 * |
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284 * @since 3.1 |
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285 */ |
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286 public void addVerifyListener (VerifyListener listener) { |
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287 checkWidget(); |
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288 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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289 TypedListener typedListener = new TypedListener (listener); |
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290 addListener (DWT.Verify, typedListener); |
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291 } |
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292 |
45 | 293 bool becomeFirstResponder (int /*long*/ id, int /*long*/ sel) { |
294 receivingFocus = true; | |
295 bool result = super.becomeFirstResponder (id, sel); | |
296 receivingFocus = false; | |
297 return result; | |
298 } | |
299 | |
0
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300 static int checkStyle (int style) { |
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301 /* |
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302 * Feature in Windows. It is not possible to create |
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303 * a combo box that has a border using Windows style |
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304 * bits. All combo boxes draw their own border and |
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305 * do not use the standard Windows border styles. |
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306 * Therefore, no matter what style bits are specified, |
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307 * clear the BORDER bits so that the DWT style will |
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308 * match the Windows widget. |
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309 * |
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310 * The Windows behavior is currently implemented on |
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311 * all platforms. |
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312 */ |
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313 style &= ~DWT.BORDER; |
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314 |
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315 /* |
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316 * Even though it is legal to create this widget |
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317 * with scroll bars, they serve no useful purpose |
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318 * because they do not automatically scroll the |
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319 * widget's client area. The fix is to clear |
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320 * the DWT style. |
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321 */ |
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322 style &= ~(DWT.H_SCROLL | DWT.V_SCROLL); |
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323 style = checkBits (style, DWT.DROP_DOWN, DWT.SIMPLE, 0, 0, 0, 0); |
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324 if ((style & DWT.SIMPLE) !is 0) return style & ~DWT.READ_ONLY; |
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325 return style; |
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326 } |
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327 |
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328 protected void checkSubclass () { |
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329 if (!isValidSubclass ()) error (DWT.ERROR_INVALID_SUBCLASS); |
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330 } |
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331 |
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332 /** |
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333 * Sets the selection in the receiver's text field to an empty |
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334 * selection starting just before the first character. If the |
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335 * text field is editable, this has the effect of placing the |
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336 * i-beam at the start of the text. |
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337 * <p> |
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338 * Note: To clear the selected items in the receiver's list, |
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339 * use <code>deselectAll()</code>. |
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340 * </p> |
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341 * |
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342 * @exception DWTException <ul> |
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343 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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344 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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345 * </ul> |
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346 * |
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347 * @see #deselectAll |
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348 */ |
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349 public void clearSelection () { |
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350 checkWidget(); |
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351 if ((style & DWT.READ_ONLY) is 0) { |
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352 Point selection = getSelection (); |
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353 selection.y = selection.x; |
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354 setSelection (selection); |
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355 } |
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356 } |
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357 |
45 | 358 void comboBoxSelectionDidChange(int /*long*/ id, int /*long*/ sel, int /*long*/ notification) { |
0
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359 sendSelection(); |
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360 } |
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361 |
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362 public Point computeSize (int wHint, int hHint, bool changed) { |
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363 checkWidget (); |
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364 int width = 0, height = 0; |
7 | 365 NSControl widget = cast(NSControl)view; |
45 | 366 NSRect rect = new NSRect (); |
367 rect.width = rect.height = Float.MAX_VALUE; | |
368 NSSize size = widget.cell ().cellSizeForBounds (rect); | |
369 width = (int)Math.ceil (size.width); | |
370 height = cast(int)Math.ceil (size.height); | |
371 /* | |
372 * Feature in Cocoa. Attempting to create an NSComboBox with a | |
373 * height > 27 spews a very long warning message to stdout and | |
374 * often draws the combo incorrectly. The workaround is to limit | |
375 * the returned height of editable Combos to the height that is | |
376 * required to display their text, even if a larger hHint is specified. | |
377 */ | |
378 if (hHint !is DWT.DEFAULT) { | |
379 if ((style & DWT.READ_ONLY) !is 0 || hHint < height) height = hHint; | |
380 } | |
0
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381 if (wHint !is DWT.DEFAULT) width = wHint; |
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382 return new Point (width, height); |
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383 } |
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384 |
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385 /** |
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386 * Copies the selected text. |
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387 * <p> |
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388 * The current selection is copied to the clipboard. |
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389 * </p> |
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390 * |
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391 * @exception DWTException <ul> |
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392 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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393 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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394 * </ul> |
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395 * |
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396 * @since 2.1 |
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397 */ |
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398 public void copy () { |
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399 checkWidget (); |
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400 Point selection = getSelection (); |
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401 if (selection.x is selection.y) return; |
45 | 402 copyToClipboard (getText (selection.x, selection.y)); |
0
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403 } |
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404 |
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405 void createHandle () { |
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406 if ((style & DWT.READ_ONLY) !is 0) { |
7 | 407 NSPopUpButton widget = cast(NSPopUpButton)new SWTPopUpButton().alloc(); |
0
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408 widget.initWithFrame(new NSRect(), false); |
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409 widget.menu().setAutoenablesItems(false); |
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410 widget.setTarget(widget); |
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411 widget.setAction(OS.sel_sendSelection); |
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412 view = widget; |
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413 } else { |
7 | 414 NSComboBox widget = cast(NSComboBox)new SWTComboBox().alloc(); |
0
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415 widget.initWithFrame(new NSRect()); |
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416 widget.setDelegate(widget); |
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417 view = widget; |
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418 } |
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419 } |
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420 |
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421 /** |
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422 * Cuts the selected text. |
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423 * <p> |
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424 * The current selection is first copied to the |
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425 * clipboard and then deleted from the widget. |
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426 * </p> |
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427 * |
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428 * @exception DWTException <ul> |
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429 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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430 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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431 * </ul> |
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432 * |
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433 * @since 2.1 |
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434 */ |
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435 public void cut () { |
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436 checkWidget (); |
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437 if ((style & DWT.READ_ONLY) !is 0) return; |
45 | 438 Point selection = getSelection (); |
439 if (selection.x is selection.y) return; | |
440 int start = selection.x, end = selection.y; | |
441 String text = getText (); | |
442 String leftText = text.substring (0, start); | |
443 String rightText = text.substring (end, text.length ()); | |
444 String oldText = text.substring (start, end); | |
445 String newText = ""; | |
446 if (hooks (DWT.Verify) || filters (DWT.Verify)) { | |
447 newText = verifyText (newText, start, end, null); | |
448 if (newText is null) return; | |
449 } | |
450 char [] buffer = new char [oldText.length ()]; | |
451 oldText.getChars (0, buffer.length, buffer, 0); | |
452 copyToClipboard (buffer); | |
453 setText (leftText + newText + rightText, false); | |
454 start += newText.length (); | |
455 setSelection (new Point (start, start)); | |
456 sendEvent (DWT.Modify); | |
0
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457 } |
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458 |
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459 Color defaultBackground () { |
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460 return display.getSystemColor (DWT.COLOR_LIST_BACKGROUND); |
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461 } |
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462 |
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463 Color defaultForeground () { |
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464 return display.getSystemColor (DWT.COLOR_LIST_FOREGROUND); |
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465 } |
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466 |
45 | 467 |
468 void deregister() { | |
469 super.deregister(); | |
470 display.removeWidget(((NSControl)view).cell()); | |
471 } | |
472 | |
0
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473 /** |
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474 * Deselects the item at the given zero-relative index in the receiver's |
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475 * list. If the item at the index was already deselected, it remains |
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476 * deselected. Indices that are out of range are ignored. |
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477 * |
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478 * @param index the index of the item to deselect |
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479 * |
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480 * @exception DWTException <ul> |
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481 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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482 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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483 * </ul> |
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484 */ |
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485 public void deselect (int index) { |
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486 checkWidget (); |
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487 if (index is -1) return; |
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488 if (index is getSelectionIndex ()) { |
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489 if ((style & DWT.READ_ONLY) !is 0) { |
7 | 490 (cast(NSPopUpButton)view).selectItem(null); |
0
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491 sendEvent (DWT.Modify); |
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492 } else { |
7 | 493 (cast(NSComboBox)view).deselectItemAtIndex(index); |
0
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494 } |
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495 } |
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496 } |
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497 |
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498 /** |
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499 * Deselects all selected items in the receiver's list. |
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500 * <p> |
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501 * Note: To clear the selection in the receiver's text field, |
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502 * use <code>clearSelection()</code>. |
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503 * </p> |
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504 * |
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505 * @exception DWTException <ul> |
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506 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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507 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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508 * </ul> |
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509 * |
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510 * @see #clearSelection |
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511 */ |
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512 public void deselectAll () { |
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513 checkWidget (); |
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514 if ((style & DWT.READ_ONLY) !is 0) { |
7 | 515 (cast(NSPopUpButton)view).selectItem(null); |
0
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516 sendEvent (DWT.Modify); |
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517 } else { |
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518 setText (""); |
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519 } |
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520 } |
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521 |
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522 int getCharCount() { |
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523 NSString str; |
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524 if ((style & DWT.READ_ONLY) !is 0) { |
7 | 525 str = (cast(NSPopUpButton)view).titleOfSelectedItem(); |
0
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526 } else { |
7 | 527 str = new NSCell((cast(NSComboBox)view).cell()).title(); |
0
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528 } |
45 | 529 return (int)/*64*/str.length(); |
0
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530 } |
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531 |
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532 /** |
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533 * Returns the item at the given, zero-relative index in the |
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534 * receiver's list. Throws an exception if the index is out |
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535 * of range. |
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536 * |
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537 * @param index the index of the item to return |
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538 * @return the item at the given index |
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539 * |
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540 * @exception IllegalArgumentException <ul> |
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541 * <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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542 * </ul> |
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543 * @exception DWTException <ul> |
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544 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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545 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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546 * </ul> |
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547 */ |
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548 public String getItem (int index) { |
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549 checkWidget (); |
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550 int count = getItemCount (); |
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551 if (0 > index || index >= count) error (DWT.ERROR_INVALID_RANGE); |
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552 NSString str; |
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553 if ((style & DWT.READ_ONLY) !is 0) { |
7 | 554 str = (cast(NSPopUpButton)view).itemTitleAtIndex(index); |
0
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555 } else { |
7 | 556 str = new NSString((cast(NSComboBox)view).itemObjectValueAtIndex(index)); |
0
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557 } |
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558 if (str is null) error(DWT.ERROR_CANNOT_GET_ITEM); |
45 | 559 return str.getString(); |
0
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560 } |
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561 |
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562 /** |
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563 * Returns the number of items contained in the receiver's list. |
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564 * |
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565 * @return the number of items |
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566 * |
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567 * @exception DWTException <ul> |
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568 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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569 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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570 * </ul> |
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571 */ |
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|
572 public int getItemCount () { |
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573 checkWidget (); |
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574 if ((style & DWT.READ_ONLY) !is 0) { |
45 | 575 return cast(int)/*64*/(cast(NSPopUpButton)view).numberOfItems(); |
0
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576 } else { |
45 | 577 return cast(int)/*64*/(cast(NSComboBox)view).numberOfItems(); |
0
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578 } |
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579 } |
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580 |
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581 /** |
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582 * Returns the height of the area which would be used to |
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583 * display <em>one</em> of the items in the receiver's list. |
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584 * |
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585 * @return the height of one item |
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586 * |
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587 * @exception DWTException <ul> |
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588 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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589 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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|
590 * </ul> |
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591 */ |
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592 public int getItemHeight () { |
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593 checkWidget (); |
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|
594 //TODO - not supported by the OS |
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595 return 26; |
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596 } |
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|
597 |
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598 /** |
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599 * Returns a (possibly empty) array of <code>String</code>s which are |
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600 * the items in the receiver's list. |
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601 * <p> |
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602 * Note: This is not the actual structure used by the receiver |
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603 * to maintain its list of items, so modifying the array will |
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604 * not affect the receiver. |
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605 * </p> |
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606 * |
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607 * @return the items in the receiver's list |
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|
608 * |
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609 * @exception DWTException <ul> |
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610 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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611 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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612 * </ul> |
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613 */ |
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614 public String [] getItems () { |
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615 checkWidget (); |
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616 int count = getItemCount (); |
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617 String [] result = new String [count]; |
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618 for (int i=0; i<count; i++) result [i] = getItem (i); |
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619 return result; |
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620 } |
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|
621 |
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622 int getMininumHeight () { |
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623 return getTextHeight (); |
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|
624 } |
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|
625 |
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|
626 /** |
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627 * Returns the orientation of the receiver. |
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628 * |
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629 * @return the orientation style |
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630 * |
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631 * @exception DWTException <ul> |
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632 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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633 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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634 * </ul> |
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635 * |
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636 * @since 2.1.2 |
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637 */ |
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|
638 public int getOrientation () { |
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639 checkWidget(); |
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640 return style & (DWT.LEFT_TO_RIGHT | DWT.RIGHT_TO_LEFT); |
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641 } |
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642 |
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643 /** |
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644 * Returns a <code>Point</code> whose x coordinate is the |
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645 * character position representing the start of the selection |
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646 * in the receiver's text field, and whose y coordinate is the |
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647 * character position representing the end of the selection. |
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648 * An "empty" selection is indicated by the x and y coordinates |
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649 * having the same value. |
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650 * <p> |
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651 * Indexing is zero based. The range of a selection is from |
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652 * 0..N where N is the number of characters in the widget. |
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653 * </p> |
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654 * |
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655 * @return a point representing the selection start and end |
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656 * |
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657 * @exception DWTException <ul> |
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658 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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659 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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660 * </ul> |
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661 */ |
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662 public Point getSelection () { |
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663 checkWidget (); |
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664 if ((style & DWT.READ_ONLY) !is 0) { |
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665 return new Point (0, getCharCount ()); |
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666 } else { |
45 | 667 if (selectionRange is null) { |
668 NSString str = new NSTextFieldCell (((NSTextField) view).cell ()).title (); | |
669 return new Point((int)/*64*/str.length (), (int)/*64*/str.length ()); | |
670 } | |
671 return new Point((int)/*64*/selectionRange.location, (int)/*64*/(selectionRange.location + selectionRange.length)); | |
0
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672 } |
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673 } |
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674 |
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675 /** |
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676 * Returns the zero-relative index of the item which is currently |
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677 * selected in the receiver's list, or -1 if no item is selected. |
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678 * |
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679 * @return the index of the selected item |
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680 * |
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681 * @exception DWTException <ul> |
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682 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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683 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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684 * </ul> |
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685 */ |
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686 public int getSelectionIndex () { |
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687 checkWidget (); |
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688 if ((style & DWT.READ_ONLY) !is 0) { |
45 | 689 return cast(int)/*64*/(cast(NSPopUpButton)view).indexOfSelectedItem(); |
0
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690 } else { |
45 | 691 return indexOf (getText ()); |
0
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692 } |
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693 } |
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694 |
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695 /** |
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696 * Returns a string containing a copy of the contents of the |
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697 * receiver's text field, or an empty string if there are no |
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698 * contents. |
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699 * |
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700 * @return the receiver's text |
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701 * |
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702 * @exception DWTException <ul> |
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703 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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704 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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705 * </ul> |
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706 */ |
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707 public String getText () { |
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708 checkWidget (); |
45 | 709 return new String (getText(0, -1)); |
0
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710 } |
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711 |
45 | 712 char [] getText (int start, int end) { |
0
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713 NSString str; |
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714 if ((style & DWT.READ_ONLY) !is 0) { |
7 | 715 str = (cast(NSPopUpButton)view).titleOfSelectedItem(); |
0
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716 } else { |
7 | 717 str = new NSCell((cast(NSComboBox)view).cell()).title(); |
0
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718 } |
45 | 719 if (str is null) return new char[0]; |
720 NSRange range = new NSRange (); | |
721 range.location = start; | |
722 if (end is -1) { | |
723 int /*long*/ length = str.length(); | |
724 range.length = length - start; | |
725 } else { | |
726 range.length = end - start; | |
727 } | |
728 char [] buffer= new char [(int)/*64*/range.length]; | |
729 str.getCharacters(buffer, range); | |
730 return buffer; | |
0
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731 } |
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732 |
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733 /** |
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734 * Returns the height of the receivers's text field. |
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735 * |
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736 * @return the text height |
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737 * |
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738 * @exception DWTException <ul> |
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739 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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740 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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741 * </ul> |
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742 */ |
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743 public int getTextHeight () { |
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744 checkWidget(); |
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|
745 //TODO - not supported by the OS |
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746 return 26; |
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747 } |
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748 |
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|
749 /** |
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750 * Returns the maximum number of characters that the receiver's |
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751 * text field is capable of holding. If this has not been changed |
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752 * by <code>setTextLimit()</code>, it will be the constant |
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753 * <code>Combo.LIMIT</code>. |
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754 * |
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755 * @return the text limit |
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756 * |
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757 * @exception DWTException <ul> |
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758 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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759 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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760 * </ul> |
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761 * |
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762 * @see #LIMIT |
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|
763 */ |
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|
764 public int getTextLimit () { |
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765 checkWidget(); |
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766 return textLimit; |
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767 } |
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768 |
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|
769 /** |
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770 * Gets the number of items that are visible in the drop |
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771 * down portion of the receiver's list. |
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772 * <p> |
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773 * Note: This operation is a hint and is not supported on |
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774 * platforms that do not have this concept. |
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775 * </p> |
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776 * |
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777 * @return the number of items that are visible |
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778 * |
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779 * @exception DWTException <ul> |
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780 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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781 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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782 * </ul> |
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783 * |
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784 * @since 3.0 |
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785 */ |
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786 public int getVisibleItemCount () { |
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787 checkWidget (); |
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788 if ((style & DWT.READ_ONLY) !is 0) { |
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789 return getItemCount (); |
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790 } else { |
45 | 791 return cast(int)/*64*/(cast(NSComboBox)view).numberOfVisibleItems(); |
0
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792 } |
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793 } |
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794 |
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795 /** |
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796 * Searches the receiver's list starting at the first item |
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797 * (index 0) until an item is found that is equal to the |
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798 * argument, and returns the index of that item. If no item |
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799 * is found, returns -1. |
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800 * |
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801 * @param string the search item |
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802 * @return the index of the item |
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803 * |
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804 * @exception IllegalArgumentException <ul> |
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805 * <li>ERROR_NULL_ARGUMENT - if the string is null</li> |
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806 * </ul> |
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807 * @exception DWTException <ul> |
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808 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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809 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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810 * </ul> |
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811 */ |
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812 public int indexOf (String string) { |
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813 return indexOf (string, 0); |
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814 } |
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815 |
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816 /** |
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817 * Searches the receiver's list starting at the given, |
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818 * zero-relative index until an item is found that is equal |
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819 * to the argument, and returns the index of that item. If |
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820 * no item is found or the starting index is out of range, |
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821 * returns -1. |
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822 * |
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823 * @param string the search item |
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824 * @param start the zero-relative index at which to begin the search |
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825 * @return the index of the item |
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826 * |
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827 * @exception IllegalArgumentException <ul> |
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828 * <li>ERROR_NULL_ARGUMENT - if the string is null</li> |
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829 * </ul> |
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830 * @exception DWTException <ul> |
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831 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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832 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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833 * </ul> |
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834 */ |
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835 public int indexOf (String string, int start) { |
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836 checkWidget(); |
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837 if (string is null) error (DWT.ERROR_NULL_ARGUMENT); |
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838 int count = getItemCount (); |
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839 if (!(0 <= start && start < count)) return -1; |
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840 for (int i=start; i<count; i++) { |
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841 if (string.equals (getItem (i))) { |
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842 return i; |
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843 } |
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|
844 } |
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845 return -1; |
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846 } |
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847 |
45 | 848 void insertEditText (String string) { |
849 int length = string.length (); | |
850 Point selection = getSelection (); | |
851 if (hasFocus ()) { | |
852 if (textLimit !is LIMIT) { | |
853 int charCount = getCharCount(); | |
854 if (charCount - (selection.y - selection.x) + length > textLimit) { | |
855 length = textLimit - charCount + (selection.y - selection.x); | |
856 } | |
857 } | |
858 char [] buffer = new char [length]; | |
859 string.getChars (0, buffer.length, buffer, 0); | |
860 NSString nsstring = NSString.stringWithCharacters (buffer, buffer.length); | |
861 NSText editor = ((NSTextField) view).currentEditor (); | |
862 editor.replaceCharactersInRange (editor.selectedRange (), nsstring); | |
863 selectionRange = null; | |
864 } else { | |
865 String oldText = getText (); | |
866 if (textLimit !is LIMIT) { | |
867 int charCount = oldText.length (); | |
868 if (charCount - (selection.y - selection.x) + length > textLimit) { | |
869 string = string.substring(0, textLimit - charCount + (selection.y - selection.x)); | |
870 } | |
871 } | |
872 String newText = oldText.substring (0, selection.x) + string + oldText.substring (selection.y); | |
873 NSString nsstring = NSString.stringWith(newText); | |
874 new NSCell (((NSTextField) view).cell ()).setTitle (nsstring); | |
875 selectionRange = null; | |
876 setSelection (new Point(selection.x + string.length (), 0)); | |
877 } | |
878 } | |
879 | |
0
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880 /** |
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881 * Pastes text from clipboard. |
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882 * <p> |
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883 * The selected text is deleted from the widget |
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884 * and new text inserted from the clipboard. |
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885 * </p> |
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886 * |
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887 * @exception DWTException <ul> |
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888 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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889 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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890 * </ul> |
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891 * |
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892 * @since 2.1 |
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893 */ |
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894 public void paste () { |
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895 checkWidget (); |
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896 if ((style & DWT.READ_ONLY) !is 0) return; |
45 | 897 Point selection = getSelection (); |
898 int start = selection.x, end = selection.y; | |
899 String text = getText (); | |
900 String leftText = text.substring (0, start); | |
901 String rightText = text.substring (end, text.length ()); | |
902 String newText = getClipboardText (); | |
903 if (hooks (DWT.Verify) || filters (DWT.Verify)) { | |
904 newText = verifyText (newText, start, end, null); | |
905 if (newText is null) return; | |
906 } | |
907 if (textLimit !is LIMIT) { | |
908 int charCount = text.length (); | |
909 if (charCount - (end - start) + newText.length() > textLimit) { | |
910 newText = newText.substring(0, textLimit - charCount + (end - start)); | |
911 } | |
912 } | |
913 setText (leftText + newText + rightText, false); | |
914 start += newText.length (); | |
915 setSelection (new Point (start, start)); | |
916 sendEvent (DWT.Modify); | |
917 } | |
918 | |
919 void register() { | |
920 super.register(); | |
921 display.addWidget(((NSControl)view).cell(), this); | |
922 } | |
923 | |
924 void releaseWidget () { | |
925 super.releaseWidget (); | |
926 selectionRange = null; | |
0
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927 } |
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928 |
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929 /** |
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930 * Removes the item from the receiver's list at the given |
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931 * zero-relative index. |
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932 * |
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933 * @param index the index for the item |
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934 * |
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935 * @exception IllegalArgumentException <ul> |
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936 * <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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937 * </ul> |
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938 * @exception DWTException <ul> |
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939 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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940 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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941 * </ul> |
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942 */ |
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943 public void remove (int index) { |
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944 checkWidget (); |
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945 if (index is -1) error (DWT.ERROR_INVALID_RANGE); |
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946 int count = getItemCount (); |
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947 if (0 > index || index >= count) error (DWT.ERROR_INVALID_RANGE); |
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948 if ((style & DWT.READ_ONLY) !is 0) { |
7 | 949 (cast(NSPopUpButton)view).removeItemAtIndex(index); |
0
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950 } else { |
7 | 951 (cast(NSComboBox)view).removeItemAtIndex(index); |
0
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952 } |
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953 } |
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954 |
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955 /** |
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956 * Removes the items from the receiver's list which are |
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957 * between the given zero-relative start and end |
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958 * indices (inclusive). |
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959 * |
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960 * @param start the start of the range |
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961 * @param end the end of the range |
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962 * |
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963 * @exception IllegalArgumentException <ul> |
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964 * <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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965 * </ul> |
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966 * @exception DWTException <ul> |
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967 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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968 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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969 * </ul> |
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970 */ |
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971 public void remove (int start, int end) { |
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972 checkWidget(); |
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973 if (start > end) return; |
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974 int count = getItemCount (); |
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975 if (!(0 <= start && start <= end && end < count)) { |
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976 error (DWT.ERROR_INVALID_RANGE); |
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977 } |
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978 int newEnd = Math.min (end, count - 1); |
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979 for (int i=newEnd; i>=start; i--) { |
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980 remove(i); |
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981 } |
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982 } |
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983 |
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984 /** |
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985 * Searches the receiver's list starting at the first item |
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986 * until an item is found that is equal to the argument, |
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987 * and removes that item from the list. |
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988 * |
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989 * @param string the item to remove |
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|
990 * |
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991 * @exception IllegalArgumentException <ul> |
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992 * <li>ERROR_NULL_ARGUMENT - if the string is null</li> |
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993 * <li>ERROR_INVALID_ARGUMENT - if the string is not found in the list</li> |
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994 * </ul> |
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995 * @exception DWTException <ul> |
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996 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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997 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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998 * </ul> |
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999 */ |
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1000 public void remove (String string) { |
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1001 checkWidget (); |
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1002 if (string is null) error (DWT.ERROR_NULL_ARGUMENT); |
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1003 int index = indexOf (string, 0); |
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1004 if (index is -1) error (DWT.ERROR_INVALID_ARGUMENT); |
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1005 remove (index); |
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1006 } |
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|
1007 |
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|
1008 /** |
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1009 * Removes all of the items from the receiver's list and clear the |
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1010 * contents of receiver's text field. |
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1011 * <p> |
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1012 * @exception DWTException <ul> |
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1013 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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1014 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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1015 * </ul> |
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1016 */ |
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1017 public void removeAll () { |
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1018 checkWidget (); |
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1019 if ((style & DWT.READ_ONLY) !is 0) { |
7 | 1020 (cast(NSPopUpButton)view).removeAllItems(); |
0
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1021 } else { |
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1022 setText ("", true); |
7 | 1023 (cast(NSComboBox)view).removeAllItems(); |
0
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1024 } |
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1025 } |
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1026 |
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|
1027 /** |
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1028 * Removes the listener from the collection of listeners who will |
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1029 * be notified when the receiver's text is modified. |
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1030 * |
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1031 * @param listener the listener which should no longer be notified |
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1032 * |
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1033 * @exception IllegalArgumentException <ul> |
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1034 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
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1035 * </ul> |
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1036 * @exception DWTException <ul> |
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1037 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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1038 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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1039 * </ul> |
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1040 * |
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1041 * @see ModifyListener |
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1042 * @see #addModifyListener |
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1043 */ |
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1044 public void removeModifyListener (ModifyListener listener) { |
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1045 checkWidget(); |
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1046 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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1047 if (eventTable is null) return; |
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1048 eventTable.unhook (DWT.Modify, listener); |
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1049 } |
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1050 |
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|
1051 /** |
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1052 * Removes the listener from the collection of listeners who will |
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1053 * be notified when the user changes the receiver's selection. |
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1054 * |
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1055 * @param listener the listener which should no longer be notified |
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1056 * |
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1057 * @exception IllegalArgumentException <ul> |
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1058 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
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|
1059 * </ul> |
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1060 * @exception DWTException <ul> |
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1061 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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1062 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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1063 * </ul> |
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1064 * |
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1065 * @see SelectionListener |
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1066 * @see #addSelectionListener |
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1067 */ |
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1068 public void removeSelectionListener (SelectionListener listener) { |
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1069 checkWidget(); |
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1070 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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1071 if (eventTable is null) return; |
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1072 eventTable.unhook (DWT.Selection, listener); |
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1073 eventTable.unhook (DWT.DefaultSelection,listener); |
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1074 } |
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1075 |
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1076 /** |
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1077 * Removes the listener from the collection of listeners who will |
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1078 * be notified when the control is verified. |
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1079 * |
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1080 * @param listener the listener which should no longer be notified |
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1081 * |
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1082 * @exception IllegalArgumentException <ul> |
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1083 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
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1084 * </ul> |
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1085 * @exception DWTException <ul> |
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1086 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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1087 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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1088 * </ul> |
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1089 * |
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1090 * @see VerifyListener |
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1091 * @see #addVerifyListener |
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1092 * |
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1093 * @since 3.1 |
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1094 */ |
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1095 public void removeVerifyListener (VerifyListener listener) { |
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1096 checkWidget(); |
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1097 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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1098 if (eventTable is null) return; |
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1099 eventTable.unhook (DWT.Verify, listener); |
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1100 } |
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1101 |
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1102 /** |
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1103 * Selects the item at the given zero-relative index in the receiver's |
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1104 * list. If the item at the index was already selected, it remains |
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1105 * selected. Indices that are out of range are ignored. |
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1106 * |
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1107 * @param index the index of the item to select |
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1108 * |
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1109 * @exception DWTException <ul> |
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1110 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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1111 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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1112 * </ul> |
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1113 */ |
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1114 public void select (int index) { |
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1115 checkWidget (); |
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1116 int count = getItemCount (); |
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1117 if (0 <= index && index < count) { |
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1118 if ((style & DWT.READ_ONLY) !is 0) { |
7 | 1119 (cast(NSPopUpButton)view).selectItemAtIndex(index); |
0
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1120 sendEvent (DWT.Modify); |
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1121 } else { |
7 | 1122 (cast(NSComboBox)view).selectItemAtIndex(index); |
0
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1123 } |
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1124 } |
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1125 } |
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1126 |
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1127 //bool sendKeyEvent (int type, Event event) { |
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1128 // if (!super.sendKeyEvent (type, event)) { |
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1129 // return false; |
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1130 // } |
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1131 // if (type !is DWT.KeyDown) return true; |
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1132 // if ((style & DWT.READ_ONLY) !is 0) return true; |
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1133 // if (event.character is 0) return true; |
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1134 // if ((event.stateMask & DWT.COMMAND) !is 0) return true; |
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1135 // String oldText = "", newText = ""; |
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1136 // if (hooks (DWT.Verify) || filters (DWT.Verify)) { |
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1137 // int charCount = getCharCount (); |
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1138 // Point selection = getSelection (); |
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1139 // int start = selection.x, end = selection.y; |
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1140 // switch (event.character) { |
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1141 // case DWT.BS: |
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1142 // if (start is end) { |
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1143 // if (start is 0) return true; |
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1144 // start = Math.max (0, start - 1); |
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1145 // } |
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1146 // break; |
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1147 // case DWT.DEL: |
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1148 // if (start is end) { |
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1149 // if (start is charCount) return true; |
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1150 // end = Math.min (end + 1, charCount); |
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1151 // } |
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1152 // break; |
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1153 // case DWT.CR: |
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1154 // return true; |
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1155 // default: |
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1156 // if (event.character !is '\t' && event.character < 0x20) return true; |
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1157 // oldText = new String (new char [] {event.character}); |
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1158 // } |
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1159 // newText = verifyText (oldText, start, end, event); |
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1160 // if (newText is null) return false; |
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1161 // if (charCount - (end - start) + newText.length () > textLimit) { |
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1162 // return false; |
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1163 // } |
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1164 // if (newText !is oldText) { |
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1165 // String text = getText (); |
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1166 // String leftText = text.substring (0, start); |
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1167 // String rightText = text.substring (end, text.length ()); |
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1168 // setText (leftText + newText + rightText, false); |
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1169 // start += newText.length (); |
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1170 // setSelection (new Point (start, start)); |
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1171 // } |
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1172 // } |
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1173 // /* |
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1174 // * Post the modify event so that the character will be inserted |
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1175 // * into the widget when the modify event is delivered. Normally, |
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1176 // * modify events are sent but it is safe to post the event here |
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1177 // * because this method is called from the event loop. |
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1178 // */ |
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1179 // postEvent (DWT.Modify); |
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1180 // return newText is oldText; |
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1181 //} |
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1182 |
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1183 void sendSelection () { |
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1184 postEvent(DWT.Selection); |
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1185 } |
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1186 |
45 | 1187 bool sendKeyEvent (NSEvent nsEvent, int type) { |
1188 bool result = super.sendKeyEvent (nsEvent, type); | |
1189 if (!result) return result; | |
1190 int stateMask = 0; | |
1191 int /*long*/ modifierFlags = nsEvent.modifierFlags(); | |
1192 if ((modifierFlags & OS.NSAlternateKeyMask) !is 0) stateMask |= DWT.ALT; | |
1193 if ((modifierFlags & OS.NSShiftKeyMask) !is 0) stateMask |= DWT.SHIFT; | |
1194 if ((modifierFlags & OS.NSControlKeyMask) !is 0) stateMask |= DWT.CONTROL; | |
1195 if ((modifierFlags & OS.NSCommandKeyMask) !is 0) stateMask |= DWT.COMMAND; | |
1196 if (type !is DWT.KeyDown) return result; | |
1197 if (stateMask is DWT.COMMAND) { | |
1198 short keyCode = nsEvent.keyCode (); | |
1199 switch (keyCode) { | |
1200 case 7: /* X */ | |
1201 cut (); | |
1202 return false; | |
1203 case 8: /* C */ | |
1204 copy (); | |
1205 return false; | |
1206 case 9: /* V */ | |
1207 paste (); | |
1208 return false; | |
1209 } | |
1210 } | |
1211 if ((style & DWT.SINGLE) !is 0) { | |
1212 short keyCode = nsEvent.keyCode (); | |
1213 switch (keyCode) { | |
1214 case 76: /* KP Enter */ | |
1215 case 36: /* Return */ | |
1216 postEvent (DWT.DefaultSelection); | |
1217 } | |
1218 } | |
1219 if ((style & DWT.READ_ONLY) !is 0) return result; | |
1220 if ((stateMask & DWT.COMMAND) !is 0) return result; | |
1221 String oldText = ""; | |
1222 int charCount = getCharCount (); | |
1223 Point selection = getSelection (); | |
1224 int start = selection.x, end = selection.y; | |
1225 short keyCode = nsEvent.keyCode (); | |
1226 NSString characters = nsEvent.charactersIgnoringModifiers(); | |
1227 char character = (char) characters.characterAtIndex(0); | |
1228 switch (keyCode) { | |
1229 case 51: /* Backspace */ | |
1230 if (start is end) { | |
1231 if (start is 0) return true; | |
1232 start = Math.max (0, start - 1); | |
1233 } | |
1234 break; | |
1235 case 117: /* Delete */ | |
1236 if (start is end) { | |
1237 if (start is charCount) return true; | |
1238 end = Math.min (end + 1, charCount); | |
1239 } | |
1240 break; | |
1241 default: | |
1242 if (character !is '\t' && character < 0x20) return true; | |
1243 oldText = new String (new char [] {character}); | |
1244 } | |
1245 String newText = verifyText (oldText, start, end, nsEvent); | |
1246 if (newText is null) return false; | |
1247 if (charCount - (end - start) + newText.length () > textLimit) { | |
1248 return false; | |
1249 } | |
1250 result = newText is oldText; | |
1251 if (newText !is oldText) { | |
1252 insertEditText (newText); | |
1253 if (newText.length () !is 0) sendEvent (DWT.Modify); | |
1254 } | |
1255 return result; | |
1256 } | |
1257 | |
0
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1258 void setBackground (float [] color) { |
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1259 NSColor nsColor; |
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1260 if (color is null) { |
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1261 return; // TODO reset to OS default |
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1262 } else { |
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1263 nsColor = NSColor.colorWithDeviceRed(color[0], color[1], color[2], 1); |
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1264 } |
45 | 1265 if ((style & DWT.READ_ONLY) !is 0) { |
1266 //TODO | |
1267 } else { | |
1268 (cast(NSTextField)view).setBackgroundColor(nsColor); | |
1269 } | |
1270 } | |
1271 | |
1272 void setBounds (int x, int y, int width, int height, bool move, bool resize) { | |
1273 /* | |
1274 * Feature in Cocoa. Attempting to create an NSComboBox with a | |
1275 * height > 27 spews a very long warning message to stdout and | |
1276 * often draws the combo incorrectly. The workaround is to limit | |
1277 * the height of editable Combos to the height that is required | |
1278 * to display their text. | |
1279 */ | |
1280 if ((style & DWT.READ_ONLY) is 0) { | |
1281 NSControl widget = (NSControl)view; | |
1282 NSRect rect = new NSRect (); | |
1283 rect.width = rect.height = Float.MAX_VALUE; | |
1284 NSSize size = widget.cell ().cellSizeForBounds (rect); | |
1285 height = Math.min (height, (int)Math.ceil (size.height)); | |
1286 } | |
1287 super.setBounds (x, y, width, height, move, resize); | |
0
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1288 } |
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1289 |
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1290 void setForeground (float [] color) { |
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1291 NSColor nsColor; |
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1292 if (color is null) { |
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1293 return; // TODO reset to OS default |
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1294 } else { |
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1295 nsColor = NSColor.colorWithDeviceRed(color[0], color[1], color[2], 1); |
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1296 } |
45 | 1297 if ((style & DWT.READ_ONLY) !is 0) { |
1298 //TODO | |
1299 } else { | |
1300 (cast(NSTextField)view).setTextColor(nsColor); | |
1301 } | |
0
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1302 } |
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1303 |
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1304 /** |
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1305 * Sets the text of the item in the receiver's list at the given |
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1306 * zero-relative index to the string argument. |
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1307 * |
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1308 * @param index the index for the item |
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1309 * @param string the new text for the item |
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1310 * |
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1311 * @exception IllegalArgumentException <ul> |
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1312 * <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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1313 * <li>ERROR_NULL_ARGUMENT - if the string is null</li> |
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1314 * </ul> |
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1315 * @exception DWTException <ul> |
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1316 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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1317 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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1318 * </ul> |
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1319 */ |
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1320 public void setItem (int index, String string) { |
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1321 checkWidget (); |
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1322 if (string is null) error (DWT.ERROR_NULL_ARGUMENT); |
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1323 int count = getItemCount (); |
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1324 if (0 > index || index >= count) error (DWT.ERROR_INVALID_RANGE); |
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1325 NSString str = NSString.stringWith(string); |
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1326 if ((style & DWT.READ_ONLY) !is 0) { |
7 | 1327 NSMenuItem nsItem = (cast(NSPopUpButton)view).itemAtIndex(index); |
0
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1328 nsItem.setTitle(str); |
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1329 } else { |
7 | 1330 NSComboBox widget = cast(NSComboBox)view; |
0
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1331 widget.insertItemWithObjectValue(str, index); |
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1332 widget.removeItemAtIndex(index + 1); |
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1333 } |
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1334 } |
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1335 |
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1336 /** |
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1337 * Sets the receiver's list to be the given array of items. |
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1338 * |
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1339 * @param items the array of items |
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1340 * |
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1341 * @exception IllegalArgumentException <ul> |
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1342 * <li>ERROR_NULL_ARGUMENT - if the items array is null</li> |
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1343 * <li>ERROR_INVALID_ARGUMENT - if an item in the items array is null</li> |
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1344 * </ul> |
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1345 * @exception DWTException <ul> |
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1346 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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1347 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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1348 * </ul> |
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1349 */ |
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1350 public void setItems (String [] items) { |
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1351 checkWidget(); |
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1352 if (items is null) error (DWT.ERROR_NULL_ARGUMENT); |
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1353 for (int i=0; i<items.length; i++) { |
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1354 if (items [i] is null) error (DWT.ERROR_INVALID_ARGUMENT); |
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1355 } |
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1356 removeAll(); |
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1357 if (items.length is 0) return; |
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1358 for (int i= 0; i < items.length; i++) { |
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1359 NSString str = NSString.stringWith(items[i]); |
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1360 if ((style & DWT.READ_ONLY) !is 0) { |
7 | 1361 NSMenu nsMenu = (cast(NSPopUpButton)view).menu(); |
1362 NSMenuItem nsItem = cast(NSMenuItem)new NSMenuItem().alloc(); | |
0
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1363 nsItem.initWithTitle(str, 0, NSString.stringWith("")); |
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1364 nsMenu.addItem(nsItem); |
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1365 nsItem.release(); |
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1366 } else { |
7 | 1367 (cast(NSComboBox)view).addItemWithObjectValue(str); |
0
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1368 } |
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1369 } |
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1370 } |
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1371 |
45 | 1372 /** |
1373 * Marks the receiver's list as visible if the argument is <code>true</code>, | |
1374 * and marks it invisible otherwise. | |
1375 * <p> | |
1376 * If one of the receiver's ancestors is not visible or some | |
1377 * other condition makes the receiver not visible, marking | |
1378 * it visible may not actually cause it to be displayed. | |
1379 * </p> | |
1380 * | |
1381 * @param visible the new visibility state | |
1382 * | |
1383 * @exception DWTException <ul> | |
1384 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
1385 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
1386 * </ul> | |
1387 * | |
1388 * @since 3.4 | |
1389 */ | |
0
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1390 /*public*/ void setListVisible (bool visible) { |
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1391 checkWidget (); |
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1392 if ((style & DWT.READ_ONLY) !is 0) { |
7 | 1393 (cast(NSPopUpButton)view).setPullsDown(visible); |
0
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1394 } else { |
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1395 } |
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1396 } |
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1397 |
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1398 /** |
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1399 * Sets the orientation of the receiver, which must be one |
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1400 * of the constants <code>DWT.LEFT_TO_RIGHT</code> or <code>DWT.RIGHT_TO_LEFT</code>. |
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1401 * <p> |
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1402 * |
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1403 * @param orientation new orientation style |
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1404 * |
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1405 * @exception DWTException <ul> |
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1406 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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1407 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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1408 * </ul> |
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1409 * |
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1410 * @since 2.1.2 |
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1411 */ |
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1412 public void setOrientation (int orientation) { |
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1413 checkWidget(); |
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1414 } |
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1415 |
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1416 /** |
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1417 * Sets the selection in the receiver's text field to the |
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1418 * range specified by the argument whose x coordinate is the |
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1419 * start of the selection and whose y coordinate is the end |
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1420 * of the selection. |
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1421 * |
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1422 * @param selection a point representing the new selection start and end |
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1423 * |
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1424 * @exception IllegalArgumentException <ul> |
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1425 * <li>ERROR_NULL_ARGUMENT - if the point is null</li> |
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1426 * </ul> |
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1427 * @exception DWTException <ul> |
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1428 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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1429 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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1430 * </ul> |
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1431 */ |
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1432 public void setSelection (Point selection) { |
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1433 checkWidget (); |
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1434 if (selection is null) error (DWT.ERROR_NULL_ARGUMENT); |
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1435 if ((style & DWT.READ_ONLY) is 0) { |
45 | 1436 NSString str = new NSCell(((NSComboBox)view).cell()).title(); |
1437 int length = (int)/*64*/str.length(); | |
1438 int start = Math.min (Math.max (Math.min (selection.x, selection.y), 0), length); | |
1439 int end = Math.min (Math.max (Math.max (selection.x, selection.y), 0), length); | |
1440 selectionRange = NSRange(); | |
1441 selectionRange.location = start; | |
1442 selectionRange.length = end - start; | |
1443 if (this is display.getFocusControl ()) { | |
1444 NSText editor = view.window().fieldEditor(false, view); | |
1445 editor.setSelectedRange(selectionRange); | |
1446 } | |
0
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1447 } |
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1448 } |
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1449 |
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1450 /** |
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1451 * Sets the contents of the receiver's text field to the |
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1452 * given string. |
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1453 * <p> |
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1454 * Note: The text field in a <code>Combo</code> is typically |
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1455 * only capable of displaying a single line of text. Thus, |
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1456 * setting the text to a string containing line breaks or |
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1457 * other special characters will probably cause it to |
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1458 * display incorrectly. |
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1459 * </p> |
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1460 * |
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1461 * @param string the new text |
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1462 * |
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1463 * @exception IllegalArgumentException <ul> |
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1464 * <li>ERROR_NULL_ARGUMENT - if the string is null</li> |
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1465 * </ul> |
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1466 * @exception DWTException <ul> |
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1467 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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1468 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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1469 * </ul> |
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1470 */ |
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1471 public void setText (String string) { |
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1472 checkWidget (); |
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1473 if (string is null) error (DWT.ERROR_NULL_ARGUMENT); |
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1474 setText (string, true); |
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1475 } |
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1476 |
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1477 void setText (String string, bool notify) { |
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1478 if (notify) { |
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1479 if (hooks (DWT.Verify) || filters (DWT.Verify)) { |
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1480 string = verifyText (string, 0, getCharCount (), null); |
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1481 if (string is null) return; |
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1482 } |
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1483 } |
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1484 if ((style & DWT.READ_ONLY) !is 0) { |
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1485 int index = indexOf (string); |
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1486 if (index !is -1 && index !is getSelectionIndex ()) { |
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1487 select (index); |
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1488 if (notify) sendEvent (DWT.Modify); |
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1489 } |
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1490 } else { |
7 | 1491 new NSCell((cast(NSComboBox)view).cell()).setTitle(NSString.stringWith(string)); |
0
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1492 if (notify) sendEvent (DWT.Modify); |
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1493 } |
45 | 1494 selectionRange = null; |
0
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1495 } |
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1496 |
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1497 /** |
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1498 * Sets the maximum number of characters that the receiver's |
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1499 * text field is capable of holding to be the argument. |
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1500 * <p> |
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1501 * To reset this value to the default, use <code>setTextLimit(Combo.LIMIT)</code>. |
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1502 * Specifying a limit value larger than <code>Combo.LIMIT</code> sets the |
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1503 * receiver's limit to <code>Combo.LIMIT</code>. |
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1504 * </p> |
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1505 * @param limit new text limit |
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1506 * |
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1507 * @exception IllegalArgumentException <ul> |
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1508 * <li>ERROR_CANNOT_BE_ZERO - if the limit is zero</li> |
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1509 * </ul> |
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1510 * @exception DWTException <ul> |
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1511 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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1512 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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1513 * </ul> |
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1514 * |
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1515 * @see #LIMIT |
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1516 */ |
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1517 public void setTextLimit (int limit) { |
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1518 checkWidget (); |
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1519 if (limit is 0) error (DWT.ERROR_CANNOT_BE_ZERO); |
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1520 textLimit = limit; |
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1521 } |
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1522 |
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1523 /** |
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1524 * Sets the number of items that are visible in the drop |
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1525 * down portion of the receiver's list. |
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1526 * <p> |
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1527 * Note: This operation is a hint and is not supported on |
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1528 * platforms that do not have this concept. |
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1529 * </p> |
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1530 * |
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1531 * @param count the new number of items to be visible |
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1532 * |
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1533 * @exception DWTException <ul> |
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1534 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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1535 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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1536 * </ul> |
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1537 * |
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1538 * @since 3.0 |
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1539 */ |
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1540 public void setVisibleItemCount (int count) { |
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1541 checkWidget (); |
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1542 if (count < 0) return; |
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1543 if ((style & DWT.READ_ONLY) !is 0) { |
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1544 //TODO |
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1545 } else { |
7 | 1546 (cast(NSComboBox)view).setNumberOfVisibleItems(count); |
0
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1547 } |
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1548 } |
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1549 |
45 | 1550 void textViewDidChangeSelection(int /*long*/ id, int /*long*/ sel, int /*long*/ aNotification) { |
1551 NSNotification notification = new NSNotification(aNotification); | |
1552 NSText editor = new NSText(notification.object().id); | |
1553 selectionRange = editor.selectedRange(); | |
1554 } | |
1555 | |
1556 void textDidChange (int /*long*/ id, int /*long*/ sel, int /*long*/ aNotification) { | |
1557 postEvent (DWT.Modify); | |
1558 } | |
1559 | |
1560 NSRange textView_willChangeSelectionFromCharacterRange_toCharacterRange(int /*long*/ id, int /*long*/ sel, int /*long*/ aTextView, int /*long*/ oldSelectedCharRange, int /*long*/ newSelectedCharRange) { | |
1561 /* | |
1562 * If the selection is changing as a result of the receiver getting focus | |
1563 * then return the receiver's last selection range, otherwise the full | |
1564 * text will be automatically selected. | |
1565 */ | |
1566 if (receivingFocus && selectionRange !is null) return selectionRange; | |
1567 | |
1568 /* allow the selection change to proceed */ | |
1569 NSRange result = new NSRange(); | |
1570 OS.memmove(result, newSelectedCharRange, NSRange.sizeof); | |
1571 return result; | |
1572 } | |
1573 | |
1574 String verifyText (String string, int start, int end, NSEvent keyEvent) { | |
0
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1575 Event event = new Event (); |
45 | 1576 if (keyEvent !is null) setKeyState(event, DWT.MouseDown, keyEvent); |
0
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1577 event.text = string; |
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1578 event.start = start; |
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1579 event.end = end; |
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1580 /* |
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1581 * It is possible (but unlikely), that application |
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1582 * code could have disposed the widget in the verify |
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1583 * event. If this happens, answer null to cancel |
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1584 * the operation. |
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1585 */ |
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1586 sendEvent (DWT.Verify, event); |
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1587 if (!event.doit || isDisposed ()) return null; |
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1588 return event.text; |
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1589 } |
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1590 |
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1591 } |