Mercurial > projects > dwt-mac
annotate dwt/widgets/TabItem.d @ 45:d8635bb48c7c
Merge with SWT 3.5
author | Jacob Carlborg <doob@me.com> |
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date | Mon, 01 Dec 2008 17:07:00 +0100 |
parents | e831403a80a9 |
children | cfa563df4fdd |
rev | line source |
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45 | 1 /******************************************************************************* |
2 * Copyright (c) 2000, 2008 IBM Corporation and others. | |
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3 * All rights reserved. This program and the accompanying materials |
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4 * are made available under the terms of the Eclipse Public License v1.0 |
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5 * which accompanies this distribution, and is available at |
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6 * http://www.eclipse.org/legal/epl-v10.html |
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7 * |
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8 * Contributors: |
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9 * IBM Corporation - initial API and implementation |
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10 *******************************************************************************/ |
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11 module dwt.widgets.TabItem; |
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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.graphics.Image; |
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19 import dwt.graphics.Rectangle; |
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20 import dwt.internal.cocoa.NSPoint; |
45 | 21 import dwt.internal.cocoa.NSRect; |
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22 import dwt.internal.cocoa.NSSize; |
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23 import dwt.internal.cocoa.NSString; |
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24 import dwt.internal.cocoa.NSTabViewItem; |
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25 import dwt.internal.cocoa.NSValue; |
45 | 26 import dwt.internal.cocoa.NSView; |
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27 import dwt.internal.cocoa.NSWindow; |
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28 import dwt.internal.cocoa.OS; |
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29 |
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30 /** |
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31 * Instances of this class represent a selectable user interface object |
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32 * corresponding to a tab for a page in a tab folder. |
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33 * <dl> |
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34 * <dt><b>Styles:</b></dt> |
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35 * <dd>(none)</dd> |
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36 * <dt><b>Events:</b></dt> |
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37 * <dd>(none)</dd> |
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38 * </dl> |
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39 * <p> |
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40 * IMPORTANT: This class is <em>not</em> intended to be subclassed. |
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41 * </p> |
45 | 42 * |
43 * @see <a href="http://www.eclipse.org/swt/snippets/#tabfolder">TabFolder, TabItem snippets</a> | |
44 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> | |
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45 */ |
3 | 46 public class TabItem : Item { |
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47 TabFolder parent; |
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48 Control control; |
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49 String toolTipText; |
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50 NSTabViewItem nsItem; |
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51 |
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52 /** |
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53 * Constructs a new instance of this class given its parent |
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54 * (which must be a <code>TabFolder</code>) and a style value |
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55 * describing its behavior and appearance. The item is added |
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56 * to the end of the items maintained by its parent. |
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57 * <p> |
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58 * The style value is either one of the style constants defined in |
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59 * class <code>DWT</code> which is applicable to instances of this |
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60 * class, or must be built by <em>bitwise OR</em>'ing together |
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61 * (that is, using the <code>int</code> "|" operator) two or more |
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62 * of those <code>DWT</code> style constants. The class description |
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63 * lists the style constants that are applicable to the class. |
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64 * Style bits are also inherited from superclasses. |
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65 * </p> |
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66 * |
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67 * @param parent a composite control which will be the parent of the new instance (cannot be null) |
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68 * @param style the style of control to construct |
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69 * |
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70 * @exception IllegalArgumentException <ul> |
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71 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> |
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72 * </ul> |
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73 * @exception DWTException <ul> |
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74 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> |
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75 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> |
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76 * </ul> |
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77 * |
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78 * @see DWT |
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79 * @see Widget#checkSubclass |
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80 * @see Widget#getStyle |
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81 */ |
5 | 82 public this (TabFolder parent, int style) { |
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83 super (parent, style); |
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84 this.parent = parent; |
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85 parent.createItem (this, parent.getItemCount ()); |
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86 } |
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87 |
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88 /** |
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89 * Constructs a new instance of this class given its parent |
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90 * (which must be a <code>TabFolder</code>), a style value |
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91 * describing its behavior and appearance, and the index |
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92 * at which to place it in the items maintained by its parent. |
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93 * <p> |
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94 * The style value is either one of the style constants defined in |
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95 * class <code>DWT</code> which is applicable to instances of this |
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96 * class, or must be built by <em>bitwise OR</em>'ing together |
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97 * (that is, using the <code>int</code> "|" operator) two or more |
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98 * of those <code>DWT</code> style constants. The class description |
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99 * lists the style constants that are applicable to the class. |
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100 * Style bits are also inherited from superclasses. |
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101 * </p> |
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102 * |
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103 * @param parent a composite control which will be the parent of the new instance (cannot be null) |
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104 * @param style the style of control to construct |
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105 * @param index the zero-relative index to store the receiver in its parent |
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106 * |
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107 * @exception IllegalArgumentException <ul> |
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108 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> |
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109 * <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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110 * </ul> |
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111 * @exception DWTException <ul> |
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112 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> |
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113 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> |
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114 * </ul> |
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115 * |
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116 * @see DWT |
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117 * @see Widget#checkSubclass |
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118 * @see Widget#getStyle |
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119 */ |
5 | 120 public this (TabFolder parent, int style, int index) { |
0
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121 super (parent, style); |
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122 this.parent = parent; |
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123 parent.createItem (this, index); |
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124 } |
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125 |
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126 protected void checkSubclass () { |
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127 if (!isValidSubclass ()) error (DWT.ERROR_INVALID_SUBCLASS); |
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128 } |
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129 |
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130 void destroyWidget () { |
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131 parent.destroyItem (this); |
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132 releaseHandle (); |
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133 } |
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134 |
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135 /** |
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136 * Returns a rectangle describing the receiver's size and location |
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137 * relative to its parent. |
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138 * |
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139 * @return the receiver's bounding rectangle |
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140 * |
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141 * @exception DWTException <ul> |
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142 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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143 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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144 * </ul> |
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145 * |
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146 * @since 3.4 |
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147 */ |
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148 public Rectangle getBounds() { |
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149 checkWidget(); |
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150 Rectangle result = new Rectangle (0, 0, 0, 0); |
45 | 151 if (nsItem.respondsToSelector (OS.sel_accessibilityAttributeValue_)) { |
152 int /*long*/ posValue = OS.objc_msgSend (nsItem.id, OS.sel_accessibilityAttributeValue_, OS.NSAccessibilityPositionAttribute ()); | |
153 int /*long*/ sizeValue = OS.objc_msgSend (nsItem.id, OS.sel_accessibilityAttributeValue_, OS.NSAccessibilitySizeAttribute ()); | |
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154 NSValue val = new NSValue (posValue); |
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155 NSPoint pt = val.pointValue (); |
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156 NSWindow window = parent.view.window (); |
45 | 157 pt.y = display.getPrimaryFrame().height - pt.y; |
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158 pt = parent.view.convertPoint_fromView_ (pt, null); |
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159 pt = window.convertScreenToBase (pt); |
7 | 160 result.x = cast(int) pt.x; |
161 result.y = cast(int) pt.y; | |
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162 val = new NSValue (sizeValue); |
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163 NSSize size = val.sizeValue (); |
45 | 164 result.width = cast(int) Math.ceil (size.width); |
165 result.height = cast(int) Math.ceil (size.height); | |
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166 } |
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167 return result; |
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168 } |
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169 |
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170 /** |
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171 * Returns the control that is used to fill the client area of |
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172 * the tab folder when the user selects the tab item. If no |
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173 * control has been set, return <code>null</code>. |
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174 * <p> |
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175 * @return the control |
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176 * |
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177 * @exception DWTException <ul> |
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178 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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179 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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180 * </ul> |
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181 */ |
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182 public Control getControl () { |
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183 checkWidget (); |
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184 return control; |
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185 } |
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186 |
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187 /** |
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188 * Returns the receiver's parent, which must be a <code>TabFolder</code>. |
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189 * |
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190 * @return the receiver's parent |
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191 * |
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192 * @exception DWTException <ul> |
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193 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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194 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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195 * </ul> |
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196 */ |
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197 public TabFolder getParent () { |
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198 checkWidget (); |
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199 return parent; |
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200 } |
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201 |
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202 /** |
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203 * Returns the receiver's tool tip text, or null if it has |
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204 * not been set. |
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205 * |
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206 * @return the receiver's tool tip text |
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207 * |
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208 * @exception DWTException <ul> |
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209 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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210 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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211 * </ul> |
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212 */ |
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213 public String getToolTipText () { |
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214 checkWidget (); |
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215 return toolTipText; |
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216 } |
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217 |
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218 void releaseHandle () { |
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219 super.releaseHandle (); |
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220 if (nsItem !is null) nsItem.release(); |
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221 nsItem = null; |
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222 parent = null; |
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223 } |
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224 |
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225 void releaseParent () { |
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226 super.releaseParent (); |
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227 int index = parent.indexOf (this); |
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228 if (index is parent.getSelectionIndex ()) { |
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229 if (control !is null) control.setVisible (false); |
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230 } |
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231 } |
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232 |
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233 void releaseWidget () { |
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234 super.releaseWidget (); |
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235 control = null; |
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236 } |
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237 |
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238 /** |
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239 * Sets the control that is used to fill the client area of |
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240 * the tab folder when the user selects the tab item. |
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241 * <p> |
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242 * @param control the new control (or null) |
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243 * |
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244 * @exception IllegalArgumentException <ul> |
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245 * <li>ERROR_INVALID_ARGUMENT - if the control has been disposed</li> |
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246 * <li>ERROR_INVALID_PARENT - if the control is not in the same widget tree</li> |
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247 * </ul> |
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248 * @exception DWTException <ul> |
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249 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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250 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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251 * </ul> |
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252 */ |
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253 public void setControl (Control control) { |
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254 checkWidget (); |
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255 if (control !is null) { |
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256 if (control.isDisposed()) error (DWT.ERROR_INVALID_ARGUMENT); |
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257 if (control.parent !is parent) error (DWT.ERROR_INVALID_PARENT); |
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258 } |
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259 if (this.control !is null && this.control.isDisposed ()) { |
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260 this.control = null; |
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261 } |
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262 Control oldControl = this.control, newControl = control; |
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263 this.control = control; |
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264 int index = parent.indexOf (this); |
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265 if (index !is parent.getSelectionIndex ()) { |
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266 if (newControl !is null) newControl.setVisible (false); |
45 | 267 } else { |
268 if (newControl !is null) { | |
269 newControl.setVisible (true); | |
270 } | |
271 if (oldControl !is null) oldControl.setVisible (false); | |
0
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272 } |
45 | 273 NSView view; |
0
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274 if (newControl !is null) { |
45 | 275 view = newControl.topView(); |
276 } else { | |
277 view = (NSView)new NSView().alloc(); | |
278 view.initWithFrame (new NSRect()); | |
279 view.autorelease(); | |
0
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280 } |
45 | 281 nsItem.setView (view); |
0
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282 } |
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283 |
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284 public void setImage (Image image) { |
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285 checkWidget (); |
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286 int index = parent.indexOf (this); |
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287 if (index is -1) return; |
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288 super.setImage (image); |
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289 } |
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290 |
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291 /** |
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292 * Sets the receiver's text. The string may include |
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293 * the mnemonic character. |
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294 * </p> |
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295 * <p> |
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296 * Mnemonics are indicated by an '&' that causes the next |
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297 * character to be the mnemonic. When the user presses a |
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298 * key sequence that matches the mnemonic, a selection |
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299 * event occurs. On most platforms, the mnemonic appears |
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300 * underlined but may be emphasised in a platform specific |
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301 * manner. The mnemonic indicator character '&' can be |
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302 * escaped by doubling it in the string, causing a single |
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303 * '&' to be displayed. |
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304 * </p> |
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305 * |
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306 * @param string the new text |
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307 * |
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308 * @exception IllegalArgumentException <ul> |
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309 * <li>ERROR_NULL_ARGUMENT - if the text is null</li> |
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310 * </ul> |
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311 * @exception DWTException <ul> |
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312 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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313 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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314 * </ul> |
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315 * |
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316 */ |
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317 public void setText (String string) { |
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318 checkWidget (); |
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319 if (string is null) error (DWT.ERROR_NULL_ARGUMENT); |
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320 int index = parent.indexOf (this); |
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321 if (index is -1) return; |
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322 super.setText (string); |
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323 char [] chars = new char [string.length ()]; |
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324 string.getChars (0, chars.length, chars, 0); |
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325 int length = fixMnemonic (chars); |
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326 NSString str = NSString.stringWithCharacters (chars, length); |
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327 nsItem.setLabel (str); |
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328 } |
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329 |
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330 /** |
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331 * Sets the receiver's tool tip text to the argument, which |
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332 * may be null indicating that no tool tip text should be shown. |
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333 * |
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334 * @param string the new tool tip text (or null) |
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335 * |
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336 * @exception DWTException <ul> |
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337 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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338 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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339 * </ul> |
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340 */ |
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341 public void setToolTipText (String string) { |
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342 checkWidget(); |
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343 toolTipText = string; |
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344 } |
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345 |
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346 void update () { |
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347 setText (text); |
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348 setImage (image); |
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349 setToolTipText (toolTipText); |
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350 } |
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351 |
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352 } |