Mercurial > projects > dwt-mac
annotate dwt/widgets/TabItem.d @ 156:969e7de37c3d default tip
Fixes to get dwt to work with dmd and ldc
author | Jacob Carlborg <doob@me.com> |
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date | Wed, 08 Jul 2009 21:56:44 +0200 |
parents | 3d4579727e0e |
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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 |
79 | 10 * |
11 * Port to the D programming language: | |
12 * Jacob Carlborg <doob@me.com> | |
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13 *******************************************************************************/ |
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14 module dwt.widgets.TabItem; |
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15 |
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16 import dwt.dwthelper.utils; |
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17 |
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18 |
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19 import dwt.DWT; |
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20 import dwt.DWTException; |
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21 import dwt.graphics.Image; |
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22 import dwt.graphics.Rectangle; |
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23 import dwt.internal.cocoa.NSPoint; |
45 | 24 import dwt.internal.cocoa.NSRect; |
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25 import dwt.internal.cocoa.NSSize; |
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26 import dwt.internal.cocoa.NSString; |
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27 import dwt.internal.cocoa.NSTabViewItem; |
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28 import dwt.internal.cocoa.NSValue; |
45 | 29 import dwt.internal.cocoa.NSView; |
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30 import dwt.internal.cocoa.NSWindow; |
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31 import dwt.internal.cocoa.OS; |
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32 |
130 | 33 import objc = dwt.internal.objc.runtime; |
79 | 34 import dwt.widgets.Control; |
35 import dwt.widgets.Item; | |
36 import dwt.widgets.TabFolder; | |
37 | |
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38 /** |
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39 * Instances of this class represent a selectable user interface object |
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40 * corresponding to a tab for a page in a tab folder. |
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41 * <dl> |
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42 * <dt><b>Styles:</b></dt> |
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43 * <dd>(none)</dd> |
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44 * <dt><b>Events:</b></dt> |
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45 * <dd>(none)</dd> |
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46 * </dl> |
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47 * <p> |
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48 * IMPORTANT: This class is <em>not</em> intended to be subclassed. |
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49 * </p> |
45 | 50 * |
51 * @see <a href="http://www.eclipse.org/swt/snippets/#tabfolder">TabFolder, TabItem snippets</a> | |
52 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> | |
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53 */ |
3 | 54 public class TabItem : Item { |
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55 TabFolder parent; |
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56 Control control; |
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57 String toolTipText; |
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58 NSTabViewItem nsItem; |
123 | 59 |
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60 /** |
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61 * Constructs a new instance of this class given its parent |
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62 * (which must be a <code>TabFolder</code>) and a style value |
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63 * describing its behavior and appearance. The item is added |
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64 * to the end of the items maintained by its parent. |
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65 * <p> |
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66 * The style value is either one of the style constants defined in |
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67 * class <code>DWT</code> which is applicable to instances of this |
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68 * class, or must be built by <em>bitwise OR</em>'ing together |
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69 * (that is, using the <code>int</code> "|" operator) two or more |
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70 * of those <code>DWT</code> style constants. The class description |
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71 * lists the style constants that are applicable to the class. |
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72 * Style bits are also inherited from superclasses. |
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73 * </p> |
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74 * |
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75 * @param parent a composite control which will be the parent of the new instance (cannot be null) |
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76 * @param style the style of control to construct |
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77 * |
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78 * @exception IllegalArgumentException <ul> |
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79 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> |
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80 * </ul> |
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81 * @exception DWTException <ul> |
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82 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> |
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83 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> |
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84 * </ul> |
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85 * |
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86 * @see DWT |
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87 * @see Widget#checkSubclass |
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88 * @see Widget#getStyle |
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89 */ |
5 | 90 public this (TabFolder parent, int style) { |
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91 super (parent, style); |
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92 this.parent = parent; |
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93 parent.createItem (this, parent.getItemCount ()); |
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94 } |
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95 |
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96 /** |
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97 * Constructs a new instance of this class given its parent |
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98 * (which must be a <code>TabFolder</code>), a style value |
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99 * describing its behavior and appearance, and the index |
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100 * at which to place it in the items maintained by its parent. |
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101 * <p> |
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102 * The style value is either one of the style constants defined in |
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103 * class <code>DWT</code> which is applicable to instances of this |
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104 * class, or must be built by <em>bitwise OR</em>'ing together |
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105 * (that is, using the <code>int</code> "|" operator) two or more |
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106 * of those <code>DWT</code> style constants. The class description |
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107 * lists the style constants that are applicable to the class. |
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108 * Style bits are also inherited from superclasses. |
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109 * </p> |
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110 * |
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111 * @param parent a composite control which will be the parent of the new instance (cannot be null) |
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112 * @param style the style of control to construct |
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113 * @param index the zero-relative index to store the receiver in its parent |
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114 * |
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115 * @exception IllegalArgumentException <ul> |
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116 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> |
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117 * <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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118 * </ul> |
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119 * @exception DWTException <ul> |
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120 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> |
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121 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> |
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122 * </ul> |
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123 * |
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124 * @see DWT |
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125 * @see Widget#checkSubclass |
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126 * @see Widget#getStyle |
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127 */ |
5 | 128 public this (TabFolder parent, int style, int index) { |
0
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129 super (parent, style); |
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130 this.parent = parent; |
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131 parent.createItem (this, index); |
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132 } |
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133 |
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134 protected void checkSubclass () { |
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135 if (!isValidSubclass ()) error (DWT.ERROR_INVALID_SUBCLASS); |
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136 } |
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137 |
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138 void destroyWidget () { |
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139 parent.destroyItem (this); |
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140 releaseHandle (); |
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141 } |
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142 |
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143 /** |
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144 * Returns a rectangle describing the receiver's size and location |
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145 * relative to its parent. |
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146 * |
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147 * @return the receiver's bounding rectangle |
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148 * |
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149 * @exception DWTException <ul> |
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150 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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151 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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152 * </ul> |
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153 * |
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154 * @since 3.4 |
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155 */ |
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156 public Rectangle getBounds() { |
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157 checkWidget(); |
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158 Rectangle result = new Rectangle (0, 0, 0, 0); |
45 | 159 if (nsItem.respondsToSelector (OS.sel_accessibilityAttributeValue_)) { |
79 | 160 objc.id posValue = OS.objc_msgSend (nsItem.id, OS.sel_accessibilityAttributeValue_, OS.NSAccessibilityPositionAttribute_); |
161 objc.id sizeValue = OS.objc_msgSend (nsItem.id, OS.sel_accessibilityAttributeValue_, OS.NSAccessibilitySizeAttribute_); | |
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162 NSValue val = new NSValue (posValue); |
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163 NSPoint pt = val.pointValue (); |
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164 NSWindow window = parent.view.window (); |
45 | 165 pt.y = display.getPrimaryFrame().height - pt.y; |
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166 pt = parent.view.convertPoint_fromView_ (pt, null); |
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167 pt = window.convertScreenToBase (pt); |
7 | 168 result.x = cast(int) pt.x; |
169 result.y = cast(int) pt.y; | |
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170 val = new NSValue (sizeValue); |
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171 NSSize size = val.sizeValue (); |
45 | 172 result.width = cast(int) Math.ceil (size.width); |
173 result.height = cast(int) Math.ceil (size.height); | |
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174 } |
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175 return result; |
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176 } |
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177 |
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178 /** |
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179 * Returns the control that is used to fill the client area of |
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180 * the tab folder when the user selects the tab item. If no |
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181 * control has been set, return <code>null</code>. |
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182 * <p> |
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183 * @return the control |
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184 * |
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185 * @exception DWTException <ul> |
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186 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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187 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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188 * </ul> |
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189 */ |
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190 public Control getControl () { |
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191 checkWidget (); |
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192 return control; |
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193 } |
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194 |
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195 /** |
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196 * Returns the receiver's parent, which must be a <code>TabFolder</code>. |
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197 * |
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198 * @return the receiver's parent |
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199 * |
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200 * @exception DWTException <ul> |
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201 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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202 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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203 * </ul> |
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204 */ |
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205 public TabFolder getParent () { |
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206 checkWidget (); |
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207 return parent; |
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208 } |
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209 |
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210 /** |
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211 * Returns the receiver's tool tip text, or null if it has |
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212 * not been set. |
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213 * |
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214 * @return the receiver's tool tip text |
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215 * |
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216 * @exception DWTException <ul> |
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217 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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218 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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219 * </ul> |
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220 */ |
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221 public String getToolTipText () { |
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222 checkWidget (); |
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223 return toolTipText; |
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224 } |
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225 |
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226 void releaseHandle () { |
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227 super.releaseHandle (); |
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228 if (nsItem !is null) nsItem.release(); |
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229 nsItem = null; |
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230 parent = null; |
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231 } |
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232 |
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233 void releaseParent () { |
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234 super.releaseParent (); |
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235 int index = parent.indexOf (this); |
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236 if (index is parent.getSelectionIndex ()) { |
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237 if (control !is null) control.setVisible (false); |
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238 } |
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239 } |
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240 |
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241 void releaseWidget () { |
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242 super.releaseWidget (); |
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243 control = null; |
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244 } |
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245 |
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246 /** |
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247 * Sets the control that is used to fill the client area of |
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248 * the tab folder when the user selects the tab item. |
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249 * <p> |
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250 * @param control the new control (or null) |
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251 * |
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252 * @exception IllegalArgumentException <ul> |
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253 * <li>ERROR_INVALID_ARGUMENT - if the control has been disposed</li> |
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254 * <li>ERROR_INVALID_PARENT - if the control is not in the same widget tree</li> |
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255 * </ul> |
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256 * @exception DWTException <ul> |
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257 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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258 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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259 * </ul> |
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260 */ |
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261 public void setControl (Control control) { |
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262 checkWidget (); |
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263 if (control !is null) { |
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264 if (control.isDisposed()) error (DWT.ERROR_INVALID_ARGUMENT); |
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265 if (control.parent !is parent) error (DWT.ERROR_INVALID_PARENT); |
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266 } |
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267 if (this.control !is null && this.control.isDisposed ()) { |
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268 this.control = null; |
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269 } |
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270 Control oldControl = this.control, newControl = control; |
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271 this.control = control; |
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272 int index = parent.indexOf (this); |
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273 if (index !is parent.getSelectionIndex ()) { |
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274 if (newControl !is null) newControl.setVisible (false); |
45 | 275 } else { |
276 if (newControl !is null) { | |
277 newControl.setVisible (true); | |
278 } | |
279 if (oldControl !is null) oldControl.setVisible (false); | |
0
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280 } |
45 | 281 NSView view; |
0
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282 if (newControl !is null) { |
45 | 283 view = newControl.topView(); |
284 } else { | |
79 | 285 view = cast(NSView)(new NSView()).alloc(); |
46
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286 view.initWithFrame (NSRect()); |
45 | 287 view.autorelease(); |
0
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288 } |
45 | 289 nsItem.setView (view); |
0
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290 } |
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291 |
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292 public void setImage (Image image) { |
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293 checkWidget (); |
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294 int index = parent.indexOf (this); |
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295 if (index is -1) return; |
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296 super.setImage (image); |
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297 } |
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298 |
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299 /** |
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300 * Sets the receiver's text. The string may include |
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301 * the mnemonic character. |
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302 * </p> |
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303 * <p> |
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304 * Mnemonics are indicated by an '&' that causes the next |
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305 * character to be the mnemonic. When the user presses a |
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306 * key sequence that matches the mnemonic, a selection |
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307 * event occurs. On most platforms, the mnemonic appears |
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308 * underlined but may be emphasised in a platform specific |
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309 * manner. The mnemonic indicator character '&' can be |
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310 * escaped by doubling it in the string, causing a single |
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311 * '&' to be displayed. |
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312 * </p> |
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313 * |
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314 * @param string the new text |
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315 * |
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316 * @exception IllegalArgumentException <ul> |
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317 * <li>ERROR_NULL_ARGUMENT - if the text is null</li> |
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318 * </ul> |
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319 * @exception DWTException <ul> |
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320 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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321 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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322 * </ul> |
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323 * |
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324 */ |
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325 public void setText (String string) { |
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326 checkWidget (); |
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327 if (string is null) error (DWT.ERROR_NULL_ARGUMENT); |
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328 int index = parent.indexOf (this); |
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329 if (index is -1) return; |
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330 super.setText (string); |
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331 char [] chars = new char [string.length ()]; |
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332 string.getChars (0, chars.length, chars, 0); |
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333 int length = fixMnemonic (chars); |
79 | 334 NSString str = NSString.stringWithCharacters (chars.toString16().ptr, length); |
0
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335 nsItem.setLabel (str); |
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336 } |
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337 |
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338 /** |
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339 * Sets the receiver's tool tip text to the argument, which |
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340 * may be null indicating that no tool tip text should be shown. |
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341 * |
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342 * @param string the new tool tip text (or null) |
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343 * |
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344 * @exception DWTException <ul> |
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345 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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346 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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347 * </ul> |
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348 */ |
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349 public void setToolTipText (String string) { |
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350 checkWidget(); |
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351 toolTipText = string; |
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352 } |
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353 |
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354 void update () { |
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355 setText (text); |
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356 setImage (image); |
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357 setToolTipText (toolTipText); |
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358 } |
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359 |
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360 } |