bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/ToolBar.java - platform/eclipse.platform.swt - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 2008 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.swt.widgets;

 import org.eclipse.swt.*;
 import org.eclipse.swt.graphics.*;
 import org.eclipse.swt.internal.wpf.*;

 /**
  * Instances of this class support the layout of selectable
  * tool bar items.
  * <p>
  * The item children that may be added to instances of this class
  * must be of type <code>ToolItem</code>.
  * </p><p>
  * Note that although this class is a subclass of <code>Composite</code>,
  * it does not make sense to add <code>Control</code> children to it,
  * or set a layout on it.
  * </p><p>
  * <dl>
  * <dt><b>Styles:</b></dt>
  * <dd>FLAT, WRAP, RIGHT, HORIZONTAL, VERTICAL, SHADOW_OUT</dd>
  * <dt><b>Events:</b></dt>
  * <dd>(none)</dd>
  * </dl>
  * <p>
  * Note: Only one of the styles HORIZONTAL and VERTICAL may be specified.
  * </p><p>
  * IMPORTANT: This class is <em>not</em> intended to be subclassed.
  * </p>
  *
  * @see <a href="http://www.eclipse.org/swt/snippets/#toolbar">ToolBar, ToolItem snippets</a>
  * @see <a href="http://www.eclipse.org/swt/examples.php">SWT Example: ControlExample</a>
  * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
  */
 public class ToolBar extends Composite {
 	int parentingHandle, trayHandle;
 	int itemCount;
 	Control [] children;
 	int childCount;

 	//TEMPORARY CODE
 	static boolean IsVertical;

 /**
  * Constructs a new instance of this class given its parent
  * and a style value describing its behavior and appearance.
  * <p>
  * The style value is either one of the style constants defined in
  * class <code>SWT</code> which is applicable to instances of this
  * class, or must be built by <em>bitwise OR</em>'ing together
  * (that is, using the <code>int</code> "|" operator) two or more
  * of those <code>SWT</code> style constants. The class description
  * lists the style constants that are applicable to the class.
  * Style bits are also inherited from superclasses.
  * </p>
  *
  * @param parent a composite control which will be the parent of the new instance (cannot be null)
  * @param style the style of control to construct
  *
  * @exception IllegalArgumentException <ul>
  *    <li>ERROR_NULL_ARGUMENT - if the parent is null</li>
  * </ul>
  * @exception SWTException <ul>
  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li>
  *    <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li>
  * </ul>
  *
  * @see SWT#FLAT
  * @see SWT#WRAP
  * @see SWT#RIGHT
  * @see SWT#HORIZONTAL
  * @see SWT#SHADOW_OUT
  * @see SWT#VERTICAL
  * @see Widget#checkSubclass()
  * @see Widget#getStyle()
  */
 public ToolBar (Composite parent, int style) {
 	super (parent, checkStyle (style));

 	/*
 	* Ensure that either of HORIZONTAL or VERTICAL is set.
 	* NOTE: HORIZONTAL and VERTICAL have the same values
 	* as H_SCROLL and V_SCROLL so it is necessary to first
 	* clear these bits to avoid scroll bars and then reset
 	* the bits using the original style supplied by the
 	* programmer.
 	*/
 	if ((style & SWT.VERTICAL) != 0) {
 		this.style |= SWT.VERTICAL;
 	} else {
 		this.style |= SWT.HORIZONTAL;
 	}
 }

 static int checkStyle (int style) {
 	IsVertical = (style & SWT.V_SCROLL) != 0;
 	/*
 	* Even though it is legal to create this widget
 	* with scroll bars, they serve no useful purpose
 	* because they do not automatically scroll the
 	* widget's client area.  The fix is to clear
 	* the SWT style.
 	*/
 	return style & ~(SWT.H_SCROLL | SWT.V_SCROLL);
 }

 void addChild (Control widget) {
 	super.addChild (widget);
 	if (childCount == children.length) {
 		Control [] newChildren = new Control [childCount + 4];
 		System.arraycopy(children, 0, newChildren, 0, childCount);
 		children = newChildren;
 	}
 	children [childCount++] = widget;
 }

 int backgroundProperty () {
 	return OS.Control_BackgroundProperty ();
 }

 protected void checkSubclass () {
 	if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS);
 }

 public Point computeSize (int wHint, int hHint, boolean changed) {
 	checkWidget ();
 	return super.computeSize (handle, wHint, hHint, changed);
 }

 void createHandle () {
 	parentingHandle = OS.gcnew_Canvas ();
 	if (parentingHandle == 0) error (SWT.ERROR_NO_HANDLES);
 	handle = OS.gcnew_ToolBar ();
 	if (handle == 0) error (SWT.ERROR_NO_HANDLES);
 	trayHandle = OS.gcnew_ToolBarTray ();
 	if (trayHandle == 0) error (SWT.ERROR_NO_HANDLES);
 	int brush = OS.Brushes_Transparent ();
 	OS.ToolBarTray_Background (trayHandle, brush);
 	OS.GCHandle_Free (brush);
 	int toolbars = OS.ToolBarTray_ToolBars (trayHandle);
 	OS.IList_Add (toolbars, handle);
 	OS.GCHandle_Free (toolbars);
 	if (IsVertical) OS.ToolBarTray_Orientation (trayHandle, OS.Orientation_Vertical);
 	int children = OS.Panel_Children (parentingHandle);
 	OS.UIElementCollection_Add (children, trayHandle);
 	OS.GCHandle_Free (children);
 	//FIXME: FLAT, WRAP, RIGHT, SHADOW_OUT
 }

 void createItem (ToolItem item, int index) {
 	if (!(0 <= index && index <= itemCount)) error (SWT.ERROR_INVALID_RANGE);
 	item.createWidget ();
 	int items = OS.ItemsControl_Items (handle);
 	OS.ItemCollection_Insert (items, index, item.topHandle ());
 	int count = OS.ItemCollection_Count (items);
 	OS.GCHandle_Free (items);
 	if (itemCount == count) error (SWT.ERROR_ITEM_NOT_ADDED);
 	itemCount++;
 }

 void createWidget () {
 	super.createWidget();
 	children = new Control [4];
 	updateLayout (parentingHandle);
 	setThumbVisibility (OS.Visibility_Collapsed);
 	setButtonVisibility (OS.Visibility_Collapsed);
 }

 void deregister () {
 	super.deregister ();
 	display.removeWidget (parentingHandle);
 }

 int defaultBackground () {
 	if ((style & SWT.FLAT) != 0) {
 		return OS.Colors_Transparent;
 	}
 	return 0;
 }

 void destroyItem (ToolItem item) {
 	int items = OS.ItemsControl_Items (handle);
 	OS.ItemCollection_Remove (items,  item.topHandle ());
 	int count = OS.ItemCollection_Count (items);
 	OS.GCHandle_Free (items);
 	if (itemCount == count) error (SWT.ERROR_ITEM_NOT_REMOVED);
 	itemCount--;
 }

 Control [] _getChildren () {
 	// return children in reverse order.
 	Control[] result = new Control [childCount];
 	for (int i =0; i < childCount; i++) {
 		result [childCount - i - 1] = children [i];
 	}
 	return result;
 }

 ToolItem getItem (int items, int index) {
 	int item = OS.ItemCollection_GetItemAt (items, index);
 	ToolItem result = (ToolItem) display.getWidget (item);
 	OS.GCHandle_Free (item);
 	return result;
 }

 /**
  * Returns the item at the given, zero-relative index in the
  * receiver. Throws an exception if the index is out of range.
  *
  * @param index the index of the item to return
  * @return the item at the given index
  *
  * @exception IllegalArgumentException <ul>
  *    <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li>
  * </ul>
  * @exception SWTException <ul>
  *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  * </ul>
  */
 public ToolItem getItem (int index) {
 	checkWidget ();
 	if (index < 0 || index >= itemCount) error (SWT.ERROR_INVALID_RANGE);
 	int items = OS.ItemsControl_Items (handle);
 	ToolItem result = getItem (items, index);
 	OS.GCHandle_Free (items);
 	return result;
 }

 /**
  * Returns the item at the given point in the receiver
  * or null if no such item exists. The point is in the
  * coordinate system of the receiver.
  *
  * @param point the point used to locate the item
  * @return the item at the given point
  *
  * @exception IllegalArgumentException <ul>
  *    <li>ERROR_NULL_ARGUMENT - if the point is null</li>
  * </ul>
  * @exception SWTException <ul>
  *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  * </ul>
  */
 public ToolItem getItem (Point point) {
 	checkWidget ();
 	if (point == null) error (SWT.ERROR_NULL_ARGUMENT);
 	ToolItem [] items = getItems ();
 	for (int i=0; i<items.length; i++) {
 		Rectangle rect = items [i].getBounds ();
 		if (rect.contains (point)) return items [i];
 	}
 	return null;
 }

 /**
  * Returns the number of items contained in the receiver.
  *
  * @return the number of items
  *
  * @exception SWTException <ul>
  *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  * </ul>
  */
 public int getItemCount () {
 	checkWidget ();
 	return itemCount;
 }

 /**
  * Returns an array of <code>ToolItem</code>s which are the items
  * in the receiver.
  * <p>
  * Note: This is not the actual structure used by the receiver
  * to maintain its list of items, so modifying the array will
  * not affect the receiver.
  * </p>
  *
  * @return the items in the receiver
  *
  * @exception SWTException <ul>
  *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  * </ul>
  */
 public ToolItem [] getItems () {
 	checkWidget ();
 	ToolItem [] result = new ToolItem [itemCount];
 	int items = OS.ItemsControl_Items (handle);
 	for (int i = 0; i < itemCount; i++) {
 		result[i] = getItem (items, i);
 	}
 	OS.GCHandle_Free (items);
 	return result;
 }

 /**
  * Returns the number of rows in the receiver. When
  * the receiver has the <code>WRAP</code> style, the
  * number of rows can be greater than one.  Otherwise,
  * the number of rows is always one.
  *
  * @return the number of items
  *
  * @exception SWTException <ul>
  *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  * </ul>
  */
 public int getRowCount () {
 	checkWidget ();
 	//FIXME: when WRAP implemented
 	return 1;
 }

 boolean hasItems () {
 	return true;
 }

 /**
  * Searches the receiver's list starting at the first item
  * (index 0) until an item is found that is equal to the
  * argument, and returns the index of that item. If no item
  * is found, returns -1.
  *
  * @param item the search item
  * @return the index of the item
  *
  * @exception IllegalArgumentException <ul>
  *    <li>ERROR_NULL_ARGUMENT - if the tool item is null</li>
  *    <li>ERROR_INVALID_ARGUMENT - if the tool item has been disposed</li>
  * </ul>
  * @exception SWTException <ul>
  *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
  * </ul>
  */
 public int indexOf (ToolItem item) {
 	checkWidget ();
 	if (item == null) error (SWT.ERROR_NULL_ARGUMENT);
 	if (item.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT);
 	int items = OS.ItemsControl_Items (handle);
 	int index = OS.ItemCollection_IndexOf (items, item.topHandle ());
 	OS.GCHandle_Free (items);
 	return index;
 }

 boolean mnemonicHit (char key) {
 	//TODO
 	return false;
 }

 boolean mnemonicMatch (char key) {
 //	for (int i=0; i<itemCount; i++) {
 //		if (mnemonicMatch (items [i].textHandle, key)) return true;
 //	}
 	return false;
 }

 int parentingHandle () {
 	return parentingHandle;
 }

 void register () {
 	super.register ();
 	display.addWidget (parentingHandle, this);
 }

 void releaseChildren (boolean destroy) {
 	int items = OS.ItemsControl_Items (handle);
 	for (int i=0; i<itemCount; i++) {
 		ToolItem item = getItem (items, i);
 		if (item != null && !item.isDisposed ()) item.release (false);
 	}
 	OS.GCHandle_Free (items);
 	super.releaseChildren (destroy);
 }

 void removeChild (Control control) {
 	super.removeChild (control);
 	int index = 0;
 	while (index < childCount) {
 		if (children [index] == control) break;
 		index++;
 	}
 	if (index == childCount) return;
 	System.arraycopy (children, index+1, children, index, --childCount - index);
 	children [childCount] = null;
 }

 void releaseHandle () {
 	super.releaseHandle ();
 	if (parentingHandle != 0) OS.GCHandle_Free (parentingHandle);
 	parentingHandle = 0;
 	if (trayHandle != 0) OS.GCHandle_Free (trayHandle);
 	trayHandle = 0;
 }

 void removeControl (Control control) {
 	super.removeControl (control);
 	int items = OS.ItemsControl_Items (handle);
 	for (int i=0; i<itemCount; i++) {
 		ToolItem item = getItem (items, i);
 		if (item.control == control) {
 			item.setControl (null);
 			break;
 		}
 	}
 	OS.GCHandle_Free (items);
 }

 void setButtonVisibility (byte visibility) {
 	int template = OS.Control_Template (handle);
 	int overFlowName = createDotNetString ("OverflowGrid", false);
 	int overFlowGrid = OS.FrameworkTemplate_FindName (template, overFlowName, handle);
 	if (overFlowGrid != 0) {
 		OS.UIElement_Visibility (overFlowGrid, visibility);
 		OS.GCHandle_Free (overFlowGrid);
 	}
 	OS.GCHandle_Free (overFlowName);
 	int borderName = createDotNetString ("MainPanelBorder", false);
 	int border = OS.FrameworkTemplate_FindName (template, borderName, handle);
 	if (border != 0) {
 		int left = visibility == OS.Visibility_Visible ? 11 : 0;
 		int margin = OS.gcnew_Thickness (0, 0, left, 0);
 		OS.FrameworkElement_Margin (border, margin);
 		OS.GCHandle_Free (border);
 		OS.GCHandle_Free (margin);
 	}
 	OS.GCHandle_Free (borderName);
 	OS.GCHandle_Free (template);
 }

 void setForegroundBrush (int brush) {
 	if (brush != 0) {
 		OS.Control_Foreground (handle, brush);
 	} else {
 		int property = OS.Control_ForegroundProperty ();
 		OS.DependencyObject_ClearValue (handle, property);
 		OS.GCHandle_Free (property);
 	}
 }

 void setThumbVisibility (byte visibility) {
 	int template = OS.Control_Template (handle);
 	int thumbName = createDotNetString ("ToolBarThumb", false);
 	int thumb = OS.FrameworkTemplate_FindName (template, thumbName, handle);
 	if (thumb != 0) {
 		OS.UIElement_Visibility (thumb, visibility);
 		OS.GCHandle_Free (thumb);
 	}
 	OS.GCHandle_Free (thumbName);
 	OS.GCHandle_Free (template);
 }

 int topHandle() {
 	return parentingHandle;
 }
 }
	/*******************************************************************************
	* Copyright (c) 2000, 2008 IBM Corporation and others.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/epl-v10.html
	*
	* Contributors:
	* IBM Corporation - initial API and implementation
	*******************************************************************************/
	package org.eclipse.swt.widgets;

	import org.eclipse.swt.*;
	import org.eclipse.swt.graphics.*;
	import org.eclipse.swt.internal.wpf.*;

	/**
	* Instances of this class support the layout of selectable
	* tool bar items.
	* <p>
	* The item children that may be added to instances of this class
	* must be of type <code>ToolItem</code>.
	* </p><p>
	* Note that although this class is a subclass of <code>Composite</code>,
	* it does not make sense to add <code>Control</code> children to it,
	* or set a layout on it.
	* </p><p>
	* <dl>
	* <dt><b>Styles:</b></dt>
	* <dd>FLAT, WRAP, RIGHT, HORIZONTAL, VERTICAL, SHADOW_OUT</dd>
	* <dt><b>Events:</b></dt>
	* <dd>(none)</dd>
	* </dl>
	* <p>
	* Note: Only one of the styles HORIZONTAL and VERTICAL may be specified.
	* </p><p>
	* IMPORTANT: This class is <em>not</em> intended to be subclassed.
	* </p>
	*
	* @see <a href="http://www.eclipse.org/swt/snippets/#toolbar">ToolBar, ToolItem snippets</a>
	* @see <a href="http://www.eclipse.org/swt/examples.php">SWT Example: ControlExample</a>
	* @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
	*/
	public class ToolBar extends Composite {
	int parentingHandle, trayHandle;
	int itemCount;
	Control [] children;
	int childCount;

	//TEMPORARY CODE
	static boolean IsVertical;

	/**
	* Constructs a new instance of this class given its parent
	* and a style value describing its behavior and appearance.
	* <p>
	* The style value is either one of the style constants defined in
	* class <code>SWT</code> which is applicable to instances of this
	* class, or must be built by <em>bitwise OR</em>'ing together
	* (that is, using the <code>int</code> "\|" operator) two or more
	* of those <code>SWT</code> style constants. The class description
	* lists the style constants that are applicable to the class.
	* Style bits are also inherited from superclasses.
	* </p>
	*
	* @param parent a composite control which will be the parent of the new instance (cannot be null)
	* @param style the style of control to construct
	*
	* @exception IllegalArgumentException <ul>
	* <li>ERROR_NULL_ARGUMENT - if the parent is null</li>
	* </ul>
	* @exception SWTException <ul>
	* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li>
	* <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li>
	* </ul>
	*
	* @see SWT#FLAT
	* @see SWT#WRAP
	* @see SWT#RIGHT
	* @see SWT#HORIZONTAL
	* @see SWT#SHADOW_OUT
	* @see SWT#VERTICAL
	* @see Widget#checkSubclass()
	* @see Widget#getStyle()
	*/
	public ToolBar (Composite parent, int style) {
	super (parent, checkStyle (style));

	/*
	* Ensure that either of HORIZONTAL or VERTICAL is set.
	* NOTE: HORIZONTAL and VERTICAL have the same values
	* as H_SCROLL and V_SCROLL so it is necessary to first
	* clear these bits to avoid scroll bars and then reset
	* the bits using the original style supplied by the
	* programmer.
	*/
	if ((style & SWT.VERTICAL) != 0) {
	this.style \|= SWT.VERTICAL;
	} else {
	this.style \|= SWT.HORIZONTAL;
	}
	}

	static int checkStyle (int style) {
	IsVertical = (style & SWT.V_SCROLL) != 0;
	/*
	* Even though it is legal to create this widget
	* with scroll bars, they serve no useful purpose
	* because they do not automatically scroll the
	* widget's client area. The fix is to clear
	* the SWT style.
	*/
	return style & ~(SWT.H_SCROLL \| SWT.V_SCROLL);
	}

	void addChild (Control widget) {
	super.addChild (widget);
	if (childCount == children.length) {
	Control [] newChildren = new Control [childCount + 4];
	System.arraycopy(children, 0, newChildren, 0, childCount);
	children = newChildren;
	}
	children [childCount++] = widget;
	}

	int backgroundProperty () {
	return OS.Control_BackgroundProperty ();
	}

	protected void checkSubclass () {
	if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS);
	}

	public Point computeSize (int wHint, int hHint, boolean changed) {
	checkWidget ();
	return super.computeSize (handle, wHint, hHint, changed);
	}

	void createHandle () {
	parentingHandle = OS.gcnew_Canvas ();
	if (parentingHandle == 0) error (SWT.ERROR_NO_HANDLES);
	handle = OS.gcnew_ToolBar ();
	if (handle == 0) error (SWT.ERROR_NO_HANDLES);
	trayHandle = OS.gcnew_ToolBarTray ();
	if (trayHandle == 0) error (SWT.ERROR_NO_HANDLES);
	int brush = OS.Brushes_Transparent ();
	OS.ToolBarTray_Background (trayHandle, brush);
	OS.GCHandle_Free (brush);
	int toolbars = OS.ToolBarTray_ToolBars (trayHandle);
	OS.IList_Add (toolbars, handle);
	OS.GCHandle_Free (toolbars);
	if (IsVertical) OS.ToolBarTray_Orientation (trayHandle, OS.Orientation_Vertical);
	int children = OS.Panel_Children (parentingHandle);
	OS.UIElementCollection_Add (children, trayHandle);
	OS.GCHandle_Free (children);
	//FIXME: FLAT, WRAP, RIGHT, SHADOW_OUT
	}

	void createItem (ToolItem item, int index) {
	if (!(0 <= index && index <= itemCount)) error (SWT.ERROR_INVALID_RANGE);
	item.createWidget ();
	int items = OS.ItemsControl_Items (handle);
	OS.ItemCollection_Insert (items, index, item.topHandle ());
	int count = OS.ItemCollection_Count (items);
	OS.GCHandle_Free (items);
	if (itemCount == count) error (SWT.ERROR_ITEM_NOT_ADDED);
	itemCount++;
	}

	void createWidget () {
	super.createWidget();
	children = new Control [4];
	updateLayout (parentingHandle);
	setThumbVisibility (OS.Visibility_Collapsed);
	setButtonVisibility (OS.Visibility_Collapsed);
	}

	void deregister () {
	super.deregister ();
	display.removeWidget (parentingHandle);
	}

	int defaultBackground () {
	if ((style & SWT.FLAT) != 0) {
	return OS.Colors_Transparent;
	}
	return 0;
	}

	void destroyItem (ToolItem item) {
	int items = OS.ItemsControl_Items (handle);
	OS.ItemCollection_Remove (items, item.topHandle ());
	int count = OS.ItemCollection_Count (items);
	OS.GCHandle_Free (items);
	if (itemCount == count) error (SWT.ERROR_ITEM_NOT_REMOVED);
	itemCount--;
	}

	Control [] _getChildren () {
	// return children in reverse order.
	Control[] result = new Control [childCount];
	for (int i =0; i < childCount; i++) {
	result [childCount - i - 1] = children [i];
	}
	return result;
	}

	ToolItem getItem (int items, int index) {
	int item = OS.ItemCollection_GetItemAt (items, index);
	ToolItem result = (ToolItem) display.getWidget (item);
	OS.GCHandle_Free (item);
	return result;
	}

	/**
	* Returns the item at the given, zero-relative index in the
	* receiver. Throws an exception if the index is out of range.
	*
	* @param index the index of the item to return
	* @return the item at the given index
	*
	* @exception IllegalArgumentException <ul>
	* <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li>
	* </ul>
	* @exception SWTException <ul>
	* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
	* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
	* </ul>
	*/
	public ToolItem getItem (int index) {
	checkWidget ();
	if (index < 0 \|\| index >= itemCount) error (SWT.ERROR_INVALID_RANGE);
	int items = OS.ItemsControl_Items (handle);
	ToolItem result = getItem (items, index);
	OS.GCHandle_Free (items);
	return result;
	}

	/**
	* Returns the item at the given point in the receiver
	* or null if no such item exists. The point is in the
	* coordinate system of the receiver.
	*
	* @param point the point used to locate the item
	* @return the item at the given point
	*
	* @exception IllegalArgumentException <ul>
	* <li>ERROR_NULL_ARGUMENT - if the point is null</li>
	* </ul>
	* @exception SWTException <ul>
	* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
	* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
	* </ul>
	*/
	public ToolItem getItem (Point point) {
	checkWidget ();
	if (point == null) error (SWT.ERROR_NULL_ARGUMENT);
	ToolItem [] items = getItems ();
	for (int i=0; i<items.length; i++) {
	Rectangle rect = items [i].getBounds ();
	if (rect.contains (point)) return items [i];
	}
	return null;
	}

	/**
	* Returns the number of items contained in the receiver.
	*
	* @return the number of items
	*
	* @exception SWTException <ul>
	* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
	* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
	* </ul>
	*/
	public int getItemCount () {
	checkWidget ();
	return itemCount;
	}

	/**
	* Returns an array of <code>ToolItem</code>s which are the items
	* in the receiver.
	* <p>
	* Note: This is not the actual structure used by the receiver
	* to maintain its list of items, so modifying the array will
	* not affect the receiver.
	* </p>
	*
	* @return the items in the receiver
	*
	* @exception SWTException <ul>
	* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
	* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
	* </ul>
	*/
	public ToolItem [] getItems () {
	checkWidget ();
	ToolItem [] result = new ToolItem [itemCount];
	int items = OS.ItemsControl_Items (handle);
	for (int i = 0; i < itemCount; i++) {
	result[i] = getItem (items, i);
	}
	OS.GCHandle_Free (items);
	return result;
	}

	/**
	* Returns the number of rows in the receiver. When
	* the receiver has the <code>WRAP</code> style, the
	* number of rows can be greater than one. Otherwise,
	* the number of rows is always one.
	*
	* @return the number of items
	*
	* @exception SWTException <ul>
	* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
	* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
	* </ul>
	*/
	public int getRowCount () {
	checkWidget ();
	//FIXME: when WRAP implemented
	return 1;
	}

	boolean hasItems () {
	return true;
	}

	/**
	* Searches the receiver's list starting at the first item
	* (index 0) until an item is found that is equal to the
	* argument, and returns the index of that item. If no item
	* is found, returns -1.
	*
	* @param item the search item
	* @return the index of the item
	*
	* @exception IllegalArgumentException <ul>
	* <li>ERROR_NULL_ARGUMENT - if the tool item is null</li>
	* <li>ERROR_INVALID_ARGUMENT - if the tool item has been disposed</li>
	* </ul>
	* @exception SWTException <ul>
	* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
	* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
	* </ul>
	*/
	public int indexOf (ToolItem item) {
	checkWidget ();
	if (item == null) error (SWT.ERROR_NULL_ARGUMENT);
	if (item.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT);
	int items = OS.ItemsControl_Items (handle);
	int index = OS.ItemCollection_IndexOf (items, item.topHandle ());
	OS.GCHandle_Free (items);
	return index;
	}

	boolean mnemonicHit (char key) {
	//TODO
	return false;
	}

	boolean mnemonicMatch (char key) {
	// for (int i=0; i<itemCount; i++) {
	// if (mnemonicMatch (items [i].textHandle, key)) return true;
	// }
	return false;
	}

	int parentingHandle () {
	return parentingHandle;
	}

	void register () {
	super.register ();
	display.addWidget (parentingHandle, this);
	}

	void releaseChildren (boolean destroy) {
	int items = OS.ItemsControl_Items (handle);
	for (int i=0; i<itemCount; i++) {
	ToolItem item = getItem (items, i);
	if (item != null && !item.isDisposed ()) item.release (false);
	}
	OS.GCHandle_Free (items);
	super.releaseChildren (destroy);
	}

	void removeChild (Control control) {
	super.removeChild (control);
	int index = 0;
	while (index < childCount) {
	if (children [index] == control) break;
	index++;
	}
	if (index == childCount) return;
	System.arraycopy (children, index+1, children, index, --childCount - index);
	children [childCount] = null;
	}

	void releaseHandle () {
	super.releaseHandle ();
	if (parentingHandle != 0) OS.GCHandle_Free (parentingHandle);
	parentingHandle = 0;
	if (trayHandle != 0) OS.GCHandle_Free (trayHandle);
	trayHandle = 0;
	}

	void removeControl (Control control) {
	super.removeControl (control);
	int items = OS.ItemsControl_Items (handle);
	for (int i=0; i<itemCount; i++) {
	ToolItem item = getItem (items, i);
	if (item.control == control) {
	item.setControl (null);
	break;
	}
	}
	OS.GCHandle_Free (items);
	}

	void setButtonVisibility (byte visibility) {
	int template = OS.Control_Template (handle);
	int overFlowName = createDotNetString ("OverflowGrid", false);
	int overFlowGrid = OS.FrameworkTemplate_FindName (template, overFlowName, handle);
	if (overFlowGrid != 0) {
	OS.UIElement_Visibility (overFlowGrid, visibility);
	OS.GCHandle_Free (overFlowGrid);
	}
	OS.GCHandle_Free (overFlowName);
	int borderName = createDotNetString ("MainPanelBorder", false);
	int border = OS.FrameworkTemplate_FindName (template, borderName, handle);
	if (border != 0) {
	int left = visibility == OS.Visibility_Visible ? 11 : 0;
	int margin = OS.gcnew_Thickness (0, 0, left, 0);
	OS.FrameworkElement_Margin (border, margin);
	OS.GCHandle_Free (border);
	OS.GCHandle_Free (margin);
	}
	OS.GCHandle_Free (borderName);
	OS.GCHandle_Free (template);
	}

	void setForegroundBrush (int brush) {
	if (brush != 0) {
	OS.Control_Foreground (handle, brush);
	} else {
	int property = OS.Control_ForegroundProperty ();
	OS.DependencyObject_ClearValue (handle, property);
	OS.GCHandle_Free (property);
	}
	}

	void setThumbVisibility (byte visibility) {
	int template = OS.Control_Template (handle);
	int thumbName = createDotNetString ("ToolBarThumb", false);
	int thumb = OS.FrameworkTemplate_FindName (template, thumbName, handle);
	if (thumb != 0) {
	OS.UIElement_Visibility (thumb, visibility);
	OS.GCHandle_Free (thumb);
	}
	OS.GCHandle_Free (thumbName);
	OS.GCHandle_Free (template);
	}

	int topHandle() {
	return parentingHandle;
	}
	}