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annotate dwt/widgets/TabItem.d @ 123:63a09873578e

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Fixed compile errors
author Jacob Carlborg <doob@me.com>
date Thu, 15 Jan 2009 23:08:54 +0100
parents 0dc55b17c290
children 3d4579727e0e
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1 /*******************************************************************************
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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 * Port to the D programming language:
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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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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;
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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;
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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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33 import dwt.widgets.Control;
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34 import dwt.widgets.Item;
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35 import dwt.widgets.TabFolder;
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36
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37 /**
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38 * Instances of this class represent a selectable user interface object
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39 * corresponding to a tab for a page in a tab folder.
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40 * <dl>
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41 * <dt><b>Styles:</b></dt>
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42 * <dd>(none)</dd>
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43 * <dt><b>Events:</b></dt>
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44 * <dd>(none)</dd>
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45 * </dl>
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46 * <p>
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47 * IMPORTANT: This class is <em>not</em> intended to be subclassed.
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48 * </p>
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49 *
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50 * @see <a href="http://www.eclipse.org/swt/snippets/#tabfolder">TabFolder, TabItem snippets</a>
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51 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
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52 */
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53 public class TabItem : Item {
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54 TabFolder parent;
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55 Control control;
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56 String toolTipText;
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57 NSTabViewItem nsItem;
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58
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59 /**
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60 * Constructs a new instance of this class given its parent
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61 * (which must be a <code>TabFolder</code>) and a style value
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62 * describing its behavior and appearance. The item is added
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63 * to the end of the items maintained by its parent.
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64 * <p>
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65 * The style value is either one of the style constants defined in
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66 * class <code>DWT</code> which is applicable to instances of this
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67 * class, or must be built by <em>bitwise OR</em>'ing together
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68 * (that is, using the <code>int</code> "|" operator) two or more
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69 * of those <code>DWT</code> style constants. The class description
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70 * lists the style constants that are applicable to the class.
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71 * Style bits are also inherited from superclasses.
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72 * </p>
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73 *
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74 * @param parent a composite control which will be the parent of the new instance (cannot be null)
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75 * @param style the style of control to construct
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76 *
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77 * @exception IllegalArgumentException <ul>
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78 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li>
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79 * </ul>
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80 * @exception DWTException <ul>
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81 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li>
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82 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li>
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83 * </ul>
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84 *
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85 * @see DWT
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86 * @see Widget#checkSubclass
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87 * @see Widget#getStyle
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88 */
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89 public this (TabFolder parent, int style) {
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90 super (parent, style);
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91 this.parent = parent;
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92 parent.createItem (this, parent.getItemCount ());
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93 }
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94
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95 /**
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96 * Constructs a new instance of this class given its parent
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97 * (which must be a <code>TabFolder</code>), a style value
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98 * describing its behavior and appearance, and the index
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99 * at which to place it in the items maintained by its parent.
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100 * <p>
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101 * The style value is either one of the style constants defined in
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102 * class <code>DWT</code> which is applicable to instances of this
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103 * class, or must be built by <em>bitwise OR</em>'ing together
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104 * (that is, using the <code>int</code> "|" operator) two or more
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105 * of those <code>DWT</code> style constants. The class description
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106 * lists the style constants that are applicable to the class.
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107 * Style bits are also inherited from superclasses.
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108 * </p>
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109 *
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110 * @param parent a composite control which will be the parent of the new instance (cannot be null)
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111 * @param style the style of control to construct
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112 * @param index the zero-relative index to store the receiver in its parent
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113 *
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114 * @exception IllegalArgumentException <ul>
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115 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li>
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116 * <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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117 * </ul>
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118 * @exception DWTException <ul>
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119 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li>
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120 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li>
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121 * </ul>
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122 *
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123 * @see DWT
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124 * @see Widget#checkSubclass
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125 * @see Widget#getStyle
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126 */
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diff changeset
127 public this (TabFolder parent, int style, int index) {
0
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128 super (parent, style);
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129 this.parent = parent;
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130 parent.createItem (this, index);
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131 }
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132
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133 protected void checkSubclass () {
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134 if (!isValidSubclass ()) error (DWT.ERROR_INVALID_SUBCLASS);
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135 }
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136
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137 void destroyWidget () {
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138 parent.destroyItem (this);
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139 releaseHandle ();
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140 }
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141
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142 /**
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143 * Returns a rectangle describing the receiver's size and location
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144 * relative to its parent.
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145 *
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146 * @return the receiver's bounding rectangle
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147 *
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148 * @exception DWTException <ul>
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149 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
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150 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
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151 * </ul>
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152 *
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153 * @since 3.4
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154 */
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155 public Rectangle getBounds() {
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156 checkWidget();
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157 Rectangle result = new Rectangle (0, 0, 0, 0);
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d8635bb48c7c Merge with SWT 3.5
Jacob Carlborg <doob@me.com>
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158 if (nsItem.respondsToSelector (OS.sel_accessibilityAttributeValue_)) {
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0dc55b17c290 Ported dwt.widgets.TabItem
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159 objc.id posValue = OS.objc_msgSend (nsItem.id, OS.sel_accessibilityAttributeValue_, OS.NSAccessibilityPositionAttribute_);
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160 objc.id sizeValue = OS.objc_msgSend (nsItem.id, OS.sel_accessibilityAttributeValue_, OS.NSAccessibilitySizeAttribute_);
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161 NSValue val = new NSValue (posValue);
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162 NSPoint pt = val.pointValue ();
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163 NSWindow window = parent.view.window ();
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164 pt.y = display.getPrimaryFrame().height - pt.y;
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165 pt = parent.view.convertPoint_fromView_ (pt, null);
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166 pt = window.convertScreenToBase (pt);
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e831403a80a9 Add 'cast' to casts
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167 result.x = cast(int) pt.x;
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168 result.y = cast(int) pt.y;
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169 val = new NSValue (sizeValue);
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170 NSSize size = val.sizeValue ();
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171 result.width = cast(int) Math.ceil (size.width);
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172 result.height = cast(int) Math.ceil (size.height);
0
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173 }
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174 return result;
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175 }
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176
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177 /**
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178 * Returns the control that is used to fill the client area of
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179 * the tab folder when the user selects the tab item. If no
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180 * control has been set, return <code>null</code>.
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181 * <p>
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182 * @return the control
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183 *
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184 * @exception DWTException <ul>
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185 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
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186 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
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187 * </ul>
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188 */
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189 public Control getControl () {
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190 checkWidget ();
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191 return control;
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192 }
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193
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194 /**
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195 * Returns the receiver's parent, which must be a <code>TabFolder</code>.
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196 *
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197 * @return the receiver's parent
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198 *
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199 * @exception DWTException <ul>
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200 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
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201 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
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202 * </ul>
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203 */
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204 public TabFolder getParent () {
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205 checkWidget ();
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206 return parent;
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207 }
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208
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209 /**
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210 * Returns the receiver's tool tip text, or null if it has
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211 * not been set.
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212 *
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213 * @return the receiver's tool tip text
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214 *
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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 public String getToolTipText () {
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221 checkWidget ();
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222 return toolTipText;
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223 }
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224
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225 void releaseHandle () {
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226 super.releaseHandle ();
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227 if (nsItem !is null) nsItem.release();
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228 nsItem = null;
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229 parent = null;
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230 }
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231
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232 void releaseParent () {
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233 super.releaseParent ();
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234 int index = parent.indexOf (this);
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235 if (index is parent.getSelectionIndex ()) {
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236 if (control !is null) control.setVisible (false);
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237 }
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238 }
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239
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240 void releaseWidget () {
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241 super.releaseWidget ();
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242 control = null;
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243 }
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244
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245 /**
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246 * Sets the control that is used to fill the client area of
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247 * the tab folder when the user selects the tab item.
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248 * <p>
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249 * @param control the new control (or null)
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250 *
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251 * @exception IllegalArgumentException <ul>
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252 * <li>ERROR_INVALID_ARGUMENT - if the control has been disposed</li>
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253 * <li>ERROR_INVALID_PARENT - if the control is not in the same widget tree</li>
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254 * </ul>
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255 * @exception DWTException <ul>
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256 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
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257 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
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258 * </ul>
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259 */
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260 public void setControl (Control control) {
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261 checkWidget ();
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262 if (control !is null) {
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263 if (control.isDisposed()) error (DWT.ERROR_INVALID_ARGUMENT);
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264 if (control.parent !is parent) error (DWT.ERROR_INVALID_PARENT);
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265 }
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266 if (this.control !is null && this.control.isDisposed ()) {
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267 this.control = null;
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268 }
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269 Control oldControl = this.control, newControl = control;
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270 this.control = control;
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271 int index = parent.indexOf (this);
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272 if (index !is parent.getSelectionIndex ()) {
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273 if (newControl !is null) newControl.setVisible (false);
45
d8635bb48c7c Merge with SWT 3.5
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274 } else {
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275 if (newControl !is null) {
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276 newControl.setVisible (true);
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277 }
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278 if (oldControl !is null) oldControl.setVisible (false);
0
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279 }
45
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280 NSView view;
0
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281 if (newControl !is null) {
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282 view = newControl.topView();
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283 } else {
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0dc55b17c290 Ported dwt.widgets.TabItem
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284 view = cast(NSView)(new NSView()).alloc();
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285 view.initWithFrame (NSRect());
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286 view.autorelease();
0
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287 }
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288 nsItem.setView (view);
0
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289 }
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290
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291 public void setImage (Image image) {
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292 checkWidget ();
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293 int index = parent.indexOf (this);
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294 if (index is -1) return;
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295 super.setImage (image);
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296 }
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297
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298 /**
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299 * Sets the receiver's text. The string may include
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300 * the mnemonic character.
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301 * </p>
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302 * <p>
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303 * Mnemonics are indicated by an '&amp;' that causes the next
380af2bdd8e5 Upload of whole dwt tree
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parents:
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304 * character to be the mnemonic. When the user presses a
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parents:
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305 * key sequence that matches the mnemonic, a selection
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parents:
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306 * event occurs. On most platforms, the mnemonic appears
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parents:
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307 * underlined but may be emphasised in a platform specific
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parents:
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308 * manner. The mnemonic indicator character '&amp;' can be
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parents:
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309 * escaped by doubling it in the string, causing a single
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310 * '&amp;' to be displayed.
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parents:
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311 * </p>
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parents:
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312 *
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313 * @param string the new text
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parents:
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314 *
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315 * @exception IllegalArgumentException <ul>
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parents:
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316 * <li>ERROR_NULL_ARGUMENT - if the text is null</li>
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317 * </ul>
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318 * @exception DWTException <ul>
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parents:
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319 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
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parents:
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320 * <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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321 * </ul>
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parents:
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322 *
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323 */
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parents:
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324 public void setText (String string) {
380af2bdd8e5 Upload of whole dwt tree
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parents:
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325 checkWidget ();
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326 if (string is null) error (DWT.ERROR_NULL_ARGUMENT);
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327 int index = parent.indexOf (this);
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328 if (index is -1) return;
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329 super.setText (string);
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330 char [] chars = new char [string.length ()];
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331 string.getChars (0, chars.length, chars, 0);
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parents:
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332 int length = fixMnemonic (chars);
79
0dc55b17c290 Ported dwt.widgets.TabItem
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parents: 46
diff changeset
333 NSString str = NSString.stringWithCharacters (chars.toString16().ptr, length);
0
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334 nsItem.setLabel (str);
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335 }
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336
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337 /**
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338 * Sets the receiver's tool tip text to the argument, which
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parents:
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339 * may be null indicating that no tool tip text should be shown.
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parents:
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340 *
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341 * @param string the new tool tip text (or null)
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parents:
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342 *
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343 * @exception DWTException <ul>
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344 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
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parents:
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345 * <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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346 * </ul>
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parents:
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347 */
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348 public void setToolTipText (String string) {
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parents:
diff changeset
349 checkWidget();
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350 toolTipText = string;
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351 }
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parents:
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352
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353 void update () {
380af2bdd8e5 Upload of whole dwt tree
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parents:
diff changeset
354 setText (text);
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parents:
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355 setImage (image);
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parents:
diff changeset
356 setToolTipText (toolTipText);
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parents:
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357 }
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parents:
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358
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359 }