Mercurial > projects > dwt-mac
annotate dwt/widgets/ToolItem.d @ 46:cfa563df4fdd
Updated Widget and Display to 3.514
author | Jacob Carlborg <doob@me.com> |
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date | Fri, 05 Dec 2008 16:00:41 +0100 |
parents | d8635bb48c7c |
children | 844f65808a36 |
rev | line source |
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45 | 1 /******************************************************************************* |
2 * Copyright (c) 2000, 2008 IBM Corporation and others. | |
0
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3 * All rights reserved. This program and the accompanying materials |
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4 * are made available under the terms of the Eclipse Public License v1.0 |
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5 * which accompanies this distribution, and is available at |
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6 * http://www.eclipse.org/legal/epl-v10.html |
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7 * |
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8 * Contributors: |
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9 * IBM Corporation - initial API and implementation |
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10 *******************************************************************************/ |
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11 module dwt.widgets.ToolItem; |
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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.SelectionEvent; |
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19 import dwt.events.SelectionListener; |
45 | 20 import dwt.graphics.Color; |
21 import dwt.graphics.Font; | |
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22 import dwt.graphics.Image; |
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23 import dwt.graphics.Point; |
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24 import dwt.graphics.Rectangle; |
45 | 25 import dwt.internal.cocoa.NSAffineTransform; |
26 import dwt.internal.cocoa.NSAttributedString; | |
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27 import dwt.internal.cocoa.NSBezierPath; |
45 | 28 import dwt.internal.cocoa.NSBox; |
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29 import dwt.internal.cocoa.NSButton; |
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30 import dwt.internal.cocoa.NSColor; |
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31 import dwt.internal.cocoa.NSGraphicsContext; |
45 | 32 import dwt.internal.cocoa.NSMutableDictionary; |
33 import dwt.internal.cocoa.NSMutableParagraphStyle; | |
34 import dwt.internal.cocoa.NSNumber; | |
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35 import dwt.internal.cocoa.NSPoint; |
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36 import dwt.internal.cocoa.NSRect; |
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37 import dwt.internal.cocoa.NSString; |
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38 import dwt.internal.cocoa.NSView; |
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39 import dwt.internal.cocoa.OS; |
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40 import dwt.internal.cocoa.SWTBox; |
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41 import dwt.internal.cocoa.SWTButton; |
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42 import dwt.internal.cocoa.SWTView; |
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43 |
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44 /** |
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45 * Instances of this class represent a selectable user interface object |
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46 * that represents a button in a tool bar. |
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47 * <dl> |
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48 * <dt><b>Styles:</b></dt> |
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49 * <dd>PUSH, CHECK, RADIO, SEPARATOR, DROP_DOWN</dd> |
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50 * <dt><b>Events:</b></dt> |
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51 * <dd>Selection</dd> |
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52 * </dl> |
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53 * <p> |
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54 * Note: Only one of the styles CHECK, PUSH, RADIO, SEPARATOR and DROP_DOWN |
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55 * may be specified. |
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56 * </p><p> |
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57 * IMPORTANT: This class is <em>not</em> intended to be subclassed. |
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58 * </p> |
45 | 59 * |
60 * @see <a href="http://www.eclipse.org/swt/snippets/#toolbar">ToolBar, ToolItem snippets</a> | |
61 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> | |
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62 */ |
3 | 63 public class ToolItem : Item { |
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64 NSView view; |
45 | 65 NSButton button; |
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66 int width = DEFAULT_SEPARATOR_WIDTH; |
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67 ToolBar parent; |
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68 Image hotImage, disabledImage; |
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69 String toolTipText; |
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70 Control control; |
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71 bool selection; |
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72 |
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73 static final int DEFAULT_WIDTH = 24; |
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74 static final int DEFAULT_HEIGHT = 22; |
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75 static final int DEFAULT_SEPARATOR_WIDTH = 6; |
45 | 76 static final int INSET = 3; |
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77 static final int ARROW_WIDTH = 5; |
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78 |
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79 /** |
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80 * Constructs a new instance of this class given its parent |
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81 * (which must be a <code>ToolBar</code>) and a style value |
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82 * describing its behavior and appearance. The item is added |
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83 * to the end of the items maintained by its parent. |
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84 * <p> |
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85 * The style value is either one of the style constants defined in |
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86 * class <code>DWT</code> which is applicable to instances of this |
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87 * class, or must be built by <em>bitwise OR</em>'ing together |
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88 * (that is, using the <code>int</code> "|" operator) two or more |
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89 * of those <code>DWT</code> style constants. The class description |
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90 * lists the style constants that are applicable to the class. |
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91 * Style bits are also inherited from superclasses. |
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92 * </p> |
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93 * |
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94 * @param parent a composite control which will be the parent of the new instance (cannot be null) |
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95 * @param style the style of control to construct |
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96 * |
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97 * @exception IllegalArgumentException <ul> |
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98 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> |
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99 * </ul> |
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100 * @exception DWTException <ul> |
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101 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> |
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102 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> |
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103 * </ul> |
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104 * |
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105 * @see DWT#PUSH |
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106 * @see DWT#CHECK |
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107 * @see DWT#RADIO |
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108 * @see DWT#SEPARATOR |
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109 * @see DWT#DROP_DOWN |
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110 * @see Widget#checkSubclass |
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111 * @see Widget#getStyle |
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112 */ |
5 | 113 public this (ToolBar parent, int style) { |
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114 super (parent, checkStyle (style)); |
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115 this.parent = parent; |
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116 parent.createItem (this, parent.getItemCount ()); |
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117 } |
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118 |
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119 /** |
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120 * Constructs a new instance of this class given its parent |
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121 * (which must be a <code>ToolBar</code>), a style value |
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122 * describing its behavior and appearance, and the index |
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123 * at which to place it in the items maintained by its parent. |
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124 * <p> |
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125 * The style value is either one of the style constants defined in |
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126 * class <code>DWT</code> which is applicable to instances of this |
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127 * class, or must be built by <em>bitwise OR</em>'ing together |
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128 * (that is, using the <code>int</code> "|" operator) two or more |
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129 * of those <code>DWT</code> style constants. The class description |
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130 * lists the style constants that are applicable to the class. |
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131 * Style bits are also inherited from superclasses. |
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132 * </p> |
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133 * |
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134 * @param parent a composite control which will be the parent of the new instance (cannot be null) |
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135 * @param style the style of control to construct |
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136 * @param index the zero-relative index to store the receiver in its parent |
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137 * |
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138 * @exception IllegalArgumentException <ul> |
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139 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> |
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140 * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the parent (inclusive)</li> |
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141 * </ul> |
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142 * @exception DWTException <ul> |
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143 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> |
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144 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> |
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145 * </ul> |
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146 * |
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147 * @see DWT#PUSH |
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148 * @see DWT#CHECK |
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149 * @see DWT#RADIO |
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150 * @see DWT#SEPARATOR |
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151 * @see DWT#DROP_DOWN |
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152 * @see Widget#checkSubclass |
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153 * @see Widget#getStyle |
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154 */ |
5 | 155 public this (ToolBar parent, int style, int index) { |
0
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156 super (parent, checkStyle (style)); |
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157 this.parent = parent; |
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158 parent.createItem (this, index); |
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159 } |
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160 |
45 | 161 int accessibilityAttributeValue(int /*long*/ id, int /*long*/ sel, int /*long*/ arg0) { |
162 NSString nsAttributeName = new NSString(arg0); | |
163 | |
164 if (nsAttributeName.isEqualToString (OS.NSAccessibilityRoleAttribute) || nsAttributeName.isEqualToString (OS.NSAccessibilityRoleDescriptionAttribute)) { | |
165 NSString roleText = ((style & DWT.PUSH) !is 0) ? OS.NSAccessibilityButtonRole | |
166 : ((style & DWT.RADIO) !is 0) ? OS.NSAccessibilityRadioButtonRole | |
167 : ((style & DWT.CHECK) !is 0) ? OS.NSAccessibilityCheckBoxRole | |
168 : ((style & DWT.DROP_DOWN) !is 0) ? OS.NSAccessibilityMenuButtonRole | |
169 : null; // SEPARATOR | |
170 if (roleText !is null) { | |
171 if (nsAttributeName.isEqualToString (OS.NSAccessibilityRoleAttribute)) { | |
172 return roleText.id; | |
173 } else { // NSAccessibilityRoleDescriptionAttribute | |
174 int /*long*/ description = OS.NSAccessibilityRoleDescription (roleText.id, 0); | |
175 return description; | |
176 } | |
177 } | |
178 } else if (nsAttributeName.isEqualToString (OS.NSAccessibilityTitleAttribute) || nsAttributeName.isEqualToString (OS.NSAccessibilityDescriptionAttribute)) { | |
179 return (getText() !is null ? NSString.stringWith(getText()).id : NSString.stringWith("").id); | |
180 } else if (nsAttributeName.isEqualToString (OS.NSAccessibilityHelpAttribute)) { | |
181 String accessibleText = toolTipText; | |
182 if (accessibleText is null || accessibleText.equals("")) accessibleText = text; | |
183 if (!(accessibleText is null || accessibleText.equals(""))) { | |
184 return NSString.stringWith(accessibleText).id; | |
185 } else { | |
186 return NSString.stringWith("").id; | |
187 } | |
188 } else if (nsAttributeName.isEqualToString (OS.NSAccessibilityValueAttribute) && (style & (DWT.CHECK | DWT.RADIO)) !is 0) { | |
189 NSNumber value = NSNumber.numberWithInt(selection ? 1 : 0); | |
190 return value.id; | |
191 } else if (nsAttributeName.isEqualToString(OS.NSAccessibilityEnabledAttribute)) { | |
192 NSNumber value = NSNumber.numberWithInt(getEnabled() ? 1 : 0); | |
193 return value.id; | |
194 } | |
195 | |
196 return super.accessibilityAttributeValue(id, sel, arg0); | |
197 } | |
198 | |
0
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199 /** |
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200 * Adds the listener to the collection of listeners who will |
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201 * be notified when the control is selected by the user, by sending |
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202 * it one of the messages defined in the <code>SelectionListener</code> |
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203 * interface. |
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204 * <p> |
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205 * When <code>widgetSelected</code> is called when the mouse is over the arrow portion of a drop-down tool, |
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206 * the event object detail field contains the value <code>DWT.ARROW</code>. |
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207 * <code>widgetDefaultSelected</code> is not called. |
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208 * </p> |
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209 * |
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210 * @param listener the listener which should be notified when the control is selected by the user, |
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211 * |
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212 * @exception IllegalArgumentException <ul> |
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213 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
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214 * </ul> |
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215 * @exception DWTException <ul> |
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216 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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217 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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218 * </ul> |
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219 * |
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220 * @see SelectionListener |
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221 * @see #removeSelectionListener |
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222 * @see SelectionEvent |
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223 */ |
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224 public void addSelectionListener(SelectionListener listener) { |
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225 checkWidget(); |
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226 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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227 TypedListener typedListener = new TypedListener(listener); |
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228 addListener(DWT.Selection,typedListener); |
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229 addListener(DWT.DefaultSelection,typedListener); |
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230 } |
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231 |
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232 static int checkStyle (int style) { |
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233 return checkBits (style, DWT.PUSH, DWT.CHECK, DWT.RADIO, DWT.SEPARATOR, DWT.DROP_DOWN, 0); |
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234 } |
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235 |
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236 protected void checkSubclass () { |
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237 if (!isValidSubclass ()) error (DWT.ERROR_INVALID_SUBCLASS); |
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238 } |
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239 |
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240 Point computeSize () { |
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241 checkWidget(); |
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242 int width = 0, height = 0; |
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243 if ((style & DWT.SEPARATOR) !is 0) { |
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244 if ((parent.style & DWT.HORIZONTAL) !is 0) { |
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245 width = getWidth (); |
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246 height = DEFAULT_HEIGHT; |
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247 } else { |
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248 width = DEFAULT_WIDTH; |
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249 height = getWidth (); |
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250 } |
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251 if (control !is null) { |
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252 height = Math.max (height, control.getMininumHeight ()); |
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253 } |
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254 } else { |
45 | 255 if (text.length () !is 0 || image !is null) { |
256 NSButton widget = (NSButton)button; | |
257 NSRect oldFrame = widget.frame(); | |
258 widget.sizeToFit (); | |
259 NSRect frame = button.frame(); | |
260 width = cast(int)frame.width; | |
261 height = cast(int)frame.height; | |
262 widget.setFrame(oldFrame); | |
263 } else { | |
264 width = DEFAULT_WIDTH; | |
265 height = DEFAULT_HEIGHT; | |
0
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266 } |
45 | 267 if ((style & DWT.DROP_DOWN) !is 0) { |
268 width += ARROW_WIDTH + INSET; | |
269 } | |
270 width += INSET * 2; | |
271 height += INSET * 2; | |
0
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272 } |
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273 return new Point (width, height); |
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274 } |
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275 |
45 | 276 void createHandle () { |
0
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277 if ((style & DWT.SEPARATOR) !is 0) { |
45 | 278 NSBox widget = cast(NSBox)new SWTBox().alloc(); |
46
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279 widget.initWithFrame(NSRect()); |
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280 widget.setBoxType(OS.NSBoxSeparator); |
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281 view = widget; |
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282 } else { |
45 | 283 NSView widget = cast(NSView)new SWTView().alloc(); |
46
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284 widget.initWithFrame(NSRect()); |
45 | 285 parent.contentView().addSubview(widget); |
7 | 286 button = cast(NSButton)new SWTButton().alloc(); |
46
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287 button.initWithFrame(NSRect()); |
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288 button.setBordered(false); |
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289 button.setAction(OS.sel_sendSelection); |
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290 button.setTarget(button); |
45 | 291 Font font = parent.font !is null ? parent.font : parent.defaultFont (); |
292 button.setFont(font.handle); | |
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293 button.setImagePosition(OS.NSImageOverlaps); |
45 | 294 NSString emptyStr = NSString.stringWith(""); |
295 button.setTitle(emptyStr); | |
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296 button.setEnabled(parent.getEnabled()); |
45 | 297 widget.addSubview(button); |
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298 view = widget; |
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299 } |
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300 } |
45 | 301 |
302 NSAttributedString createString() { | |
303 NSMutableDictionary dict = NSMutableDictionary.dictionaryWithCapacity(4); | |
304 Color foreground = parent.foreground; | |
305 if (foreground !is null) { | |
306 NSColor color = NSColor.colorWithDeviceRed(foreground.handle[0], foreground.handle[1], foreground.handle[2], 1); | |
307 dict.setObject(color, OS.NSForegroundColorAttributeName); | |
308 } | |
309 Font font = parent.getFont(); | |
310 if (font !is null) { | |
311 dict.setObject(font.handle, OS.NSFontAttributeName); | |
312 } | |
313 char [] chars = new char [text.length ()]; | |
314 text.getChars (0, chars.length, chars, 0); | |
315 int length = fixMnemonic (chars); | |
316 | |
317 NSMutableParagraphStyle pStyle = (NSMutableParagraphStyle)new NSMutableParagraphStyle().alloc().init(); | |
318 pStyle.autorelease(); | |
319 pStyle.setAlignment(OS.NSCenterTextAlignment); | |
320 dict.setObject(pStyle, OS.NSParagraphStyleAttributeName); | |
321 | |
322 NSString str = NSString.stringWithCharacters(chars, length); | |
323 NSAttributedString attribStr = ((NSAttributedString)new NSAttributedString().alloc()).initWithString(str, dict); | |
324 attribStr.autorelease(); | |
325 return attribStr; | |
326 } | |
327 | |
328 void deregister () { | |
329 super.deregister (); | |
330 display.removeWidget(view); | |
331 | |
332 if (button !is null) { | |
333 display.removeWidget (button); | |
334 display.removeWidget (button.cell()); | |
335 } | |
336 } | |
337 | |
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338 void destroyWidget() { |
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339 parent.destroyItem(this); |
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340 super.destroyWidget(); |
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341 } |
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342 |
45 | 343 void drawWidget (int /*long*/ id, NSRect rect) { |
344 if (id is view.id) { | |
345 if (getSelection ()) { | |
346 NSRect bounds = view.bounds(); | |
347 NSGraphicsContext context = NSGraphicsContext.currentContext(); | |
348 context.saveGraphicsState(); | |
349 NSColor.colorWithDeviceRed(0.1f, 0.1f, 0.1f, 0.1f).setFill(); | |
350 NSColor.colorWithDeviceRed(0.2f, 0.2f, 0.2f, 0.2f).setStroke(); | |
351 NSBezierPath.fillRect(bounds); | |
352 bounds.x += 0.5f; | |
353 bounds.y += 0.5f; | |
354 bounds.width -= 1; | |
355 bounds.height -= 1; | |
356 NSBezierPath.strokeRect(bounds); | |
357 context.restoreGraphicsState(); | |
358 } | |
359 if ((style & DWT.DROP_DOWN) !is 0) { | |
360 NSRect bounds = view.bounds(); | |
361 NSGraphicsContext context = NSGraphicsContext.currentContext(); | |
362 context.saveGraphicsState(); | |
363 NSBezierPath path = NSBezierPath.bezierPath(); | |
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364 NSPoint pt = NSPoint(); |
45 | 365 path.moveToPoint(pt); |
366 pt.x += ARROW_WIDTH; | |
367 path.lineToPoint(pt); | |
368 pt.y += ARROW_WIDTH - 1; | |
369 pt.x -= ARROW_WIDTH / 2f; | |
370 path.lineToPoint(pt); | |
371 path.closePath(); | |
372 NSAffineTransform transform = NSAffineTransform.transform(); | |
373 transform.translateXBy((int)bounds.width - ARROW_WIDTH - INSET, (int)(bounds.height - ARROW_WIDTH / 2) / 2); | |
374 transform.concat(); | |
375 NSColor color = isEnabled() ? NSColor.blackColor() : NSColor.disabledControlTextColor(); | |
376 color.set(); | |
377 path.fill(); | |
378 context.restoreGraphicsState(); | |
379 } | |
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380 } |
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381 } |
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382 |
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383 void enableWidget(bool enabled) { |
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384 if ((style & DWT.SEPARATOR) is 0) { |
7 | 385 (cast(NSButton)button).setEnabled(enabled); |
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386 } |
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387 } |
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388 |
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389 /** |
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390 * Returns a rectangle describing the receiver's size and location |
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391 * relative to its parent. |
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392 * |
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393 * @return the receiver's bounding rectangle |
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394 * |
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395 * @exception DWTException <ul> |
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396 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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397 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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398 * </ul> |
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399 */ |
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400 public Rectangle getBounds () { |
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401 checkWidget(); |
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402 NSRect rect = view.frame(); |
7 | 403 return new Rectangle(cast(int)rect.x, cast(int)rect.y, cast(int)rect.width, cast(int)rect.height); |
0
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404 } |
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405 |
45 | 406 NSBezierPath getClipping() { |
407 return parent.getClipping (); | |
408 } | |
409 | |
0
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410 /** |
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411 * Returns the control that is used to fill the bounds of |
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412 * the item when the item is a <code>SEPARATOR</code>. |
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413 * |
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414 * @return the control |
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415 * |
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416 * @exception DWTException <ul> |
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417 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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418 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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419 * </ul> |
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420 */ |
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421 public Control getControl () { |
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422 checkWidget(); |
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423 return control; |
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424 } |
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425 |
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426 /** |
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427 * Returns the receiver's disabled image if it has one, or null |
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428 * if it does not. |
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429 * <p> |
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430 * The disabled image is displayed when the receiver is disabled. |
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431 * </p> |
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432 * |
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433 * @return the receiver's disabled image |
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434 * |
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435 * @exception DWTException <ul> |
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436 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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437 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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438 * </ul> |
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439 */ |
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440 public Image getDisabledImage () { |
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441 checkWidget(); |
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442 return disabledImage; |
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443 } |
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444 |
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445 /** |
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446 * Returns <code>true</code> if the receiver is enabled, and |
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447 * <code>false</code> otherwise. A disabled control is typically |
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448 * not selectable from the user interface and draws with an |
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449 * inactive or "grayed" look. |
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450 * |
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451 * @return the receiver's enabled state |
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452 * |
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453 * @exception DWTException <ul> |
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454 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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455 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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456 * </ul> |
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457 * |
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458 * @see #isEnabled |
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459 */ |
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460 public bool getEnabled () { |
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461 checkWidget(); |
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462 return (state & DISABLED) is 0; |
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463 } |
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464 |
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465 /** |
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466 * Returns the receiver's hot image if it has one, or null |
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467 * if it does not. |
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468 * <p> |
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469 * The hot image is displayed when the mouse enters the receiver. |
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470 * </p> |
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471 * |
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472 * @return the receiver's hot image |
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473 * |
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474 * @exception DWTException <ul> |
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475 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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476 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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477 * </ul> |
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478 */ |
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479 public Image getHotImage () { |
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480 checkWidget(); |
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481 return hotImage; |
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482 } |
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483 |
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484 /** |
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485 * Returns the receiver's parent, which must be a <code>ToolBar</code>. |
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486 * |
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487 * @return the receiver's parent |
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488 * |
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489 * @exception DWTException <ul> |
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490 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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491 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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492 * </ul> |
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493 */ |
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494 public ToolBar getParent () { |
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495 checkWidget(); |
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496 return parent; |
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497 } |
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498 |
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499 /** |
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500 * Returns <code>true</code> if the receiver is selected, |
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501 * and false otherwise. |
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502 * <p> |
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503 * When the receiver is of type <code>CHECK</code> or <code>RADIO</code>, |
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504 * it is selected when it is checked (which some platforms draw as a |
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505 * pushed in button). If the receiver is of any other type, this method |
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506 * returns false. |
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507 * </p> |
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508 * |
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509 * @return the selection state |
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510 * |
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511 * @exception DWTException <ul> |
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512 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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513 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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514 * </ul> |
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515 */ |
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516 public bool getSelection () { |
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517 checkWidget(); |
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518 if ((style & (DWT.CHECK | DWT.RADIO)) is 0) return false; |
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519 return selection; |
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520 } |
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521 |
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522 /** |
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523 * Returns the receiver's tool tip text, or null if it has not been set. |
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524 * |
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525 * @return the receiver's tool tip text |
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526 * |
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527 * @exception DWTException <ul> |
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528 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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529 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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530 * </ul> |
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531 */ |
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532 public String getToolTipText () { |
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533 checkWidget(); |
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534 return toolTipText; |
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535 } |
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536 |
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537 /** |
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538 * Gets the width of the receiver. |
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539 * |
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540 * @return the width |
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541 * |
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542 * @exception DWTException <ul> |
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543 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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544 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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545 * </ul> |
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546 */ |
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547 public int getWidth () { |
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548 checkWidget(); |
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549 return width; |
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550 } |
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551 |
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552 /** |
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553 * Returns <code>true</code> if the receiver is enabled and all |
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554 * of the receiver's ancestors are enabled, and <code>false</code> |
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555 * otherwise. A disabled control is typically not selectable from the |
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556 * user interface and draws with an inactive or "grayed" look. |
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557 * |
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558 * @return the receiver's enabled state |
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559 * |
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560 * @exception DWTException <ul> |
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561 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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562 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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563 * </ul> |
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564 * |
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565 * @see #getEnabled |
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566 */ |
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567 public bool isEnabled () { |
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568 checkWidget(); |
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569 return getEnabled () && parent.isEnabled (); |
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570 } |
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571 |
45 | 572 int /*long*/ menuForEvent (int /*long*/ id, int /*long*/ sel, int /*long*/ theEvent) { |
573 return parent.menuForEvent (id, sel, theEvent); | |
0
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574 } |
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575 |
45 | 576 void mouseDown(int /*long*/ id, int /*long*/ sel, int /*long*/ theEvent) { |
577 Display display = this.display; | |
578 display.trackingControl = parent; | |
579 super.mouseDown(id, sel, theEvent); | |
580 display.trackingControl = null; | |
581 if ((style & DWT.DROP_DOWN) !is 0 && id is view.id) { | |
582 NSRect frame = view.frame(); | |
583 Event event = new Event (); | |
584 event.detail = DWT.ARROW; | |
585 event.x = (int)frame.x; | |
586 event.y = (int)(frame.y + frame.height); | |
587 postEvent (DWT.Selection, event); | |
0
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588 } |
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589 } |
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590 |
45 | 591 void register () { |
592 super.register (); | |
593 display.addWidget (view, this); | |
594 | |
595 if (button !is null) { | |
596 display.addWidget (button, this); | |
597 display.addWidget (button.cell(), this); | |
598 } | |
0
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599 } |
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|
600 |
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|
601 /** |
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602 * Removes the listener from the collection of listeners who will |
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603 * be notified when the control is selected by the user. |
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604 * |
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605 * @param listener the listener which should no longer be notified |
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606 * |
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607 * @exception IllegalArgumentException <ul> |
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608 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
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609 * </ul> |
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610 * @exception DWTException <ul> |
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611 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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612 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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613 * </ul> |
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614 * |
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615 * @see SelectionListener |
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616 * @see #addSelectionListener |
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617 */ |
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618 public void removeSelectionListener(SelectionListener listener) { |
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619 checkWidget(); |
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620 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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621 if (eventTable is null) return; |
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622 eventTable.unhook(DWT.Selection, listener); |
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623 eventTable.unhook(DWT.DefaultSelection,listener); |
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624 } |
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625 |
45 | 626 void releaseParent () { |
627 super.releaseParent (); | |
628 setVisible (false); | |
629 } | |
630 | |
631 void releaseHandle () { | |
632 super.releaseHandle (); | |
633 if (view !is null) view.release(); | |
634 if (button !is null) button.release(); | |
635 view = button = null; | |
636 parent = null; | |
637 } | |
638 | |
639 void releaseWidget () { | |
640 super.releaseWidget (); | |
641 control = null; | |
642 toolTipText = null; | |
643 image = disabledImage = hotImage = null; | |
644 } | |
645 | |
0
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646 void selectRadio () { |
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647 int index = 0; |
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648 ToolItem [] items = parent.getItems (); |
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649 while (index < items.length && items [index] !is this) index++; |
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650 int i = index - 1; |
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651 while (i >= 0 && items [i].setRadioSelection (false)) --i; |
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652 int j = index + 1; |
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653 while (j < items.length && items [j].setRadioSelection (false)) j++; |
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654 setSelection (true); |
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655 } |
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656 |
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657 void sendSelection () { |
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658 if ((style & DWT.RADIO) !is 0) { |
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659 if ((parent.getStyle () & DWT.NO_RADIO_GROUP) is 0) { |
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660 selectRadio (); |
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661 } |
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662 } |
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663 if ((style & DWT.CHECK) !is 0) setSelection (!getSelection ()); |
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664 postEvent (DWT.Selection); |
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665 } |
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666 |
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667 void setBounds (int x, int y, int width, int height) { |
46
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668 NSRect rect = NSRect(); |
0
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669 rect.x = x; |
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670 rect.y = y; |
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671 rect.width = width; |
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672 rect.height = height; |
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673 view.setFrame(rect); |
45 | 674 if (button !is null) { |
675 rect.x = 0; | |
676 rect.y = 0; | |
677 rect.width = width; | |
678 rect.height = height; | |
679 if ((style & DWT.DROP_DOWN) !is 0) rect.width -= ARROW_WIDTH + INSET; | |
680 button.setFrame(rect); | |
0
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681 } |
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682 } |
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683 |
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684 /** |
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685 * Sets the control that is used to fill the bounds of |
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686 * the item when the item is a <code>SEPARATOR</code>. |
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687 * |
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688 * @param control the new control |
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689 * |
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690 * @exception IllegalArgumentException <ul> |
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691 * <li>ERROR_INVALID_ARGUMENT - if the control has been disposed</li> |
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692 * <li>ERROR_INVALID_PARENT - if the control is not in the same widget tree</li> |
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693 * </ul> |
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694 * @exception DWTException <ul> |
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695 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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696 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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697 * </ul> |
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698 */ |
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699 public void setControl (Control control) { |
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700 checkWidget(); |
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701 if (control !is null) { |
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702 if (control.isDisposed()) error (DWT.ERROR_INVALID_ARGUMENT); |
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703 if (control.parent !is parent) error (DWT.ERROR_INVALID_PARENT); |
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704 } |
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705 if ((style & DWT.SEPARATOR) is 0) return; |
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706 if (this.control is control) return; |
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707 this.control = control; |
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708 view.setHidden(control !is null); |
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709 if (control !is null && !control.isDisposed ()) { |
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710 control.moveAbove (null); |
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711 } |
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712 parent.relayout (); |
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713 } |
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|
714 |
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|
715 /** |
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716 * Enables the receiver if the argument is <code>true</code>, |
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717 * and disables it otherwise. |
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718 * <p> |
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719 * A disabled control is typically |
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720 * not selectable from the user interface and draws with an |
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721 * inactive or "grayed" look. |
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722 * </p> |
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723 * |
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724 * @param enabled the new enabled state |
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725 * |
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726 * @exception DWTException <ul> |
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727 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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728 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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729 * </ul> |
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730 */ |
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731 public void setEnabled (bool enabled) { |
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732 checkWidget(); |
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733 if ((state & DISABLED) is 0 && enabled) return; |
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734 if (enabled) { |
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735 state &= ~DISABLED; |
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736 } else { |
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737 state |= DISABLED; |
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738 } |
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739 enableWidget(enabled); |
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740 } |
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741 |
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|
742 /** |
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743 * Sets the receiver's disabled image to the argument, which may be |
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|
744 * null indicating that no disabled image should be displayed. |
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|
745 * <p> |
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|
746 * The disabled image is displayed when the receiver is disabled. |
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parents:
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|
747 * </p> |
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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|
748 * |
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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|
749 * @param image the disabled image to display on the receiver (may be null) |
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|
750 * |
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parents:
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|
751 * @exception IllegalArgumentException <ul> |
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|
752 * <li>ERROR_INVALID_ARGUMENT - if the image has been disposed</li> |
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parents:
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|
753 * </ul> |
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parents:
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754 * @exception DWTException <ul> |
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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|
755 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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parents:
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changeset
|
756 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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parents:
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|
757 * </ul> |
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|
758 */ |
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|
759 public void setDisabledImage (Image image) { |
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|
760 checkWidget(); |
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parents:
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changeset
|
761 if (image !is null && image.isDisposed()) error(DWT.ERROR_INVALID_ARGUMENT); |
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762 if ((style & DWT.SEPARATOR) !is 0) return; |
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parents:
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|
763 disabledImage = image; |
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parents:
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changeset
|
764 updateImage (true); |
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|
765 } |
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|
766 |
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parents:
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|
767 /** |
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parents:
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|
768 * Sets the receiver's hot image to the argument, which may be |
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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769 * null indicating that no hot image should be displayed. |
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|
770 * <p> |
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parents:
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|
771 * The hot image is displayed when the mouse enters the receiver. |
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parents:
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|
772 * </p> |
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parents:
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changeset
|
773 * |
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parents:
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changeset
|
774 * @param image the hot image to display on the receiver (may be null) |
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|
775 * |
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parents:
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changeset
|
776 * @exception IllegalArgumentException <ul> |
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parents:
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777 * <li>ERROR_INVALID_ARGUMENT - if the image has been disposed</li> |
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|
778 * </ul> |
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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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changeset
|
784 public void setHotImage (Image image) { |
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parents:
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|
785 checkWidget(); |
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parents:
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changeset
|
786 if (image !is null && image.isDisposed()) error(DWT.ERROR_INVALID_ARGUMENT); |
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787 if ((style & DWT.SEPARATOR) !is 0) return; |
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parents:
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|
788 hotImage = image; |
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
789 updateImage (true); |
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parents:
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|
790 } |
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|
791 |
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parents:
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|
792 public void setImage (Image image) { |
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|
793 checkWidget(); |
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diff
changeset
|
794 if (image !is null && image.isDisposed()) error(DWT.ERROR_INVALID_ARGUMENT); |
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|
795 if ((style & DWT.SEPARATOR) !is 0) return; |
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parents:
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|
796 super.setImage (image); |
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
797 updateImage (true); |
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parents:
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|
798 } |
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|
799 |
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parents:
diff
changeset
|
800 bool setRadioSelection (bool value) { |
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parents:
diff
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|
801 if ((style & DWT.RADIO) is 0) return false; |
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parents:
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|
802 if (getSelection () !is value) { |
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parents:
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changeset
|
803 setSelection (value); |
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parents:
diff
changeset
|
804 postEvent (DWT.Selection); |
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changeset
|
805 } |
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parents:
diff
changeset
|
806 return true; |
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parents:
diff
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|
807 } |
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parents:
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|
808 |
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parents:
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|
809 /** |
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|
810 * Sets the selection state of the receiver. |
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|
811 * <p> |
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|
812 * When the receiver is of type <code>CHECK</code> or <code>RADIO</code>, |
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813 * it is selected when it is checked (which some platforms draw as a |
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parents:
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|
814 * pushed in button). |
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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|
815 * </p> |
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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|
816 * |
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|
817 * @param selected the new selection state |
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|
818 * |
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|
819 * @exception DWTException <ul> |
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820 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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|
821 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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|
822 * </ul> |
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|
823 */ |
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|
824 public void setSelection (bool selected) { |
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|
825 checkWidget(); |
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|
826 if ((style & (DWT.CHECK | DWT.RADIO)) is 0) return; |
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827 this.selection = selected; |
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828 view.setNeedsDisplay(true); |
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|
829 } |
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|
830 |
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|
831 /** |
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832 * Sets the receiver's text. The string may include |
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833 * the mnemonic character. |
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|
834 * </p> |
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|
835 * <p> |
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836 * Mnemonics are indicated by an '&' that causes the next |
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837 * character to be the mnemonic. When the user presses a |
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838 * key sequence that matches the mnemonic, a selection |
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839 * event occurs. On most platforms, the mnemonic appears |
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840 * underlined but may be emphasised in a platform specific |
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841 * manner. The mnemonic indicator character '&' can be |
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842 * escaped by doubling it in the string, causing a single |
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|
843 * '&' to be displayed. |
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|
844 * </p> |
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|
845 * |
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|
846 * @param string the new text |
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|
847 * |
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|
848 * @exception IllegalArgumentException <ul> |
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849 * <li>ERROR_NULL_ARGUMENT - if the text is null</li> |
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|
850 * </ul> |
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|
851 * @exception DWTException <ul> |
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852 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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|
853 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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|
854 * </ul> |
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|
855 */ |
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|
856 public void setText (String string) { |
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|
857 checkWidget(); |
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|
858 if (string is null) error (DWT.ERROR_NULL_ARGUMENT); |
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parents:
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changeset
|
859 if ((style & DWT.SEPARATOR) !is 0) return; |
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860 super.setText (string); |
45 | 861 NSButton widget = (NSButton)button; |
862 widget.setAttributedTitle(createString()); | |
0
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863 if (text.length() !is 0 && image !is null) { |
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864 if ((parent.style & DWT.RIGHT) !is 0) { |
45 | 865 widget.setImagePosition(OS.NSImageLeft); |
0
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866 } else { |
45 | 867 widget.setImagePosition(OS.NSImageAbove); |
0
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868 } |
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869 } else { |
45 | 870 widget.setImagePosition(text.length() !is 0 ? OS.NSNoImage : OS.NSImageOnly); |
0
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871 } |
45 | 872 parent.relayout (); |
0
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873 } |
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874 |
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875 /** |
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876 * Sets the receiver's tool tip text to the argument, which |
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877 * may be null indicating that no tool tip text should be shown. |
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878 * |
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879 * @param string the new tool tip text (or null) |
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880 * |
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881 * @exception DWTException <ul> |
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882 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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883 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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884 * </ul> |
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885 */ |
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886 public void setToolTipText (String string) { |
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887 checkWidget(); |
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888 toolTipText = string; |
45 | 889 view.setToolTip(string !is null ? NSString.stringWith(string) : null); |
0
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890 } |
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891 |
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892 void setVisible (bool visible) { |
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893 if (visible) { |
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894 if ((state & HIDDEN) is 0) return; |
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895 state &= ~HIDDEN; |
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896 } else { |
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897 if ((state & HIDDEN) !is 0) return; |
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898 state |= HIDDEN; |
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899 } |
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900 view.setHidden(!visible); |
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901 } |
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902 |
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903 /** |
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904 * Sets the width of the receiver, for <code>SEPARATOR</code> ToolItems. |
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905 * |
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906 * @param width the new width |
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907 * |
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908 * @exception DWTException <ul> |
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909 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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910 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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911 * </ul> |
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912 */ |
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913 public void setWidth (int width) { |
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914 checkWidget(); |
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915 if ((style & DWT.SEPARATOR) is 0) return; |
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916 if (width < 0 || this.width is width) return; |
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917 this.width = width; |
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918 parent.relayout(); |
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919 } |
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920 |
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921 void updateImage (bool layout) { |
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922 if ((style & DWT.SEPARATOR) !is 0) return; |
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923 Image image = null; |
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924 if (hotImage !is null) { |
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925 image = hotImage; |
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926 } else { |
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927 if (this.image !is null) { |
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|
928 image = this.image; |
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929 } else { |
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930 image = disabledImage; |
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931 } |
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932 } |
45 | 933 NSButton widget = cast(NSButton)button; |
934 widget.setImage(image !is null ? image.handle : null); | |
0
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935 if (text.length() !is 0 && image !is null) { |
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936 if ((parent.style & DWT.RIGHT) !is 0) { |
45 | 937 widget.setImagePosition(OS.NSImageLeft); |
0
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938 } else { |
7 | 939 (cast(NSButton)button).setImagePosition(OS.NSImageAbove); |
0
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940 } |
45 | 941 } else { |
942 widget.setImagePosition(text.length() !is 0 ? OS.NSNoImage : OS.NSImageOnly); | |
0
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943 } |
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944 parent.relayout(); |
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|
945 } |
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946 |
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947 } |