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

 /*******************************************************************************
  * Copyright (c) 2000, 2009 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.internal.photon.*;
 import org.eclipse.swt.*;
 import org.eclipse.swt.graphics.*;

 /**
  * 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>
  * @noextend This class is not intended to be subclassed by clients.
  */
 public class ToolBar extends Composite {
 	int parentingHandle;
 	int itemCount;
 	ToolItem [] items;
 	ToolItem lastFocus;

 /**
  * 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;
 	}
 	int orientation = (style & SWT.VERTICAL) == 0 ? OS.Pt_HORIZONTAL : OS.Pt_VERTICAL;
 	OS.PtSetResource (handle, OS.Pt_ARG_ORIENTATION, orientation, 0);
 }

 static int checkStyle (int style) {
 	/*
 	* 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);
 }

 Control [] _getChildren () {
 	Control [] children = super._getChildren ();
 	int count = 0;
 	for (int i=0; i<itemCount; i++) {
 		if (items [i].control != null) count++;
 	}
 	if (count == 0) return children;
 	Control [] newChildren = new Control [children.length + count];
 	System.arraycopy (children, 0, newChildren, 0, children.length);
 	int index = children.length;
 	for (int i=0; i<itemCount; i++) {
 		ToolItem item = items [i];
 		if (item.control != null) newChildren [index++] = item.control;
 	}
 	return newChildren;
 }

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

 public Point computeSize (int wHint, int hHint, boolean changed) {
 	checkWidget();
 	if (layout != null) {
 		return super.computeSize (wHint, hHint, changed);
 	}
 	PhDim_t dim = new PhDim_t();
 	if (!OS.PtWidgetIsRealized (handle)) OS.PtExtentWidgetFamily (handle);
 	OS.PtWidgetPreferredSize(handle, dim);
 	int width = dim.w, height = dim.h;
 	if (wHint != SWT.DEFAULT || hHint != SWT.DEFAULT) {
 		PhRect_t rect = new PhRect_t ();
 		PhArea_t area = new PhArea_t ();
 		rect.lr_x = (short) (wHint - 1);
 		rect.lr_y = (short) (hHint - 1);
 		OS.PtSetAreaFromWidgetCanvas (handle, rect, area);
 		if (wHint != SWT.DEFAULT) width = area.size_w;
 		if (hHint != SWT.DEFAULT) height = area.size_h;
 	}
 	return new Point(width, height);
 }

 void createHandle (int index) {
 	state |= HANDLE;
 	int parentHandle = parent.parentingHandle ();
 	int [] args = {
 		OS.Pt_ARG_RESIZE_FLAGS, 0, OS.Pt_RESIZE_XY_BITS,
 	};
 	parentingHandle = OS.PtCreateWidget (OS.PtContainer (), parentHandle, args.length / 3, args);
 	if (parentingHandle == 0) error (SWT.ERROR_NO_HANDLES);
 	args = new int [] {
 		OS.Pt_ARG_FLAGS, (style & SWT.NO_FOCUS) != 0 ? 0 : OS.Pt_GETS_FOCUS, OS.Pt_GETS_FOCUS,
 		OS.Pt_ARG_FLAGS, hasBorder () ? OS.Pt_HIGHLIGHTED : 0, OS.Pt_HIGHLIGHTED,
 		OS.Pt_ARG_TOOLBAR_FLAGS, 0, OS.Pt_TOOLBAR_DRAGGABLE | OS.Pt_TOOLBAR_END_SEPARATOR,
 		OS.Pt_ARG_RESIZE_FLAGS, 0, OS.Pt_RESIZE_XY_BITS,
 	};
 	handle = OS.PtCreateWidget (display.PtToolbar, parentingHandle, args.length / 3, args);
 	if ((style & SWT.FLAT) != 0) {
 		OS.PtSetResource (handle, OS.Pt_ARG_BASIC_FLAGS, OS.Pt_FLAT_FILL, OS.Pt_FLAT_FILL);
 	}
 	if (handle == 0) error (SWT.ERROR_NO_HANDLES);
 }

 void createItem (ToolItem item, int index) {
 	if (!(0 <= index && index <= itemCount)) error (SWT.ERROR_INVALID_RANGE);
 	if (itemCount == items.length) {
 		ToolItem [] newItems = new ToolItem [itemCount + 4];
 		System.arraycopy (items, 0, newItems, 0, items.length);
 		items = newItems;
 	}
 	item.createWidget (index);
 	System.arraycopy (items, index, items, index + 1, itemCount++ - index);
 	items [index] = item;
 }

 void createWidget (int index) {
 	super.createWidget (index);
 	items = new ToolItem [4];
 	itemCount = 0;
 }

 void deregister () {
 	super.deregister ();
 	if (parentingHandle != 0) WidgetTable.remove (parentingHandle);
 }

 void destroyItem (ToolItem item) {
 	int index = 0;
 	while (index < itemCount) {
 		if (items [index] == item) break;
 		index++;
 	}
 	if (index == itemCount) return;
 	System.arraycopy (items, index + 1, items, index, --itemCount - index);
 	items [itemCount] = null;
 }

 public boolean forceFocus () {
 	checkWidget();
 	if (lastFocus != null && lastFocus.setFocus ()) return true;
 	for (int i = 0; i < itemCount; i++) {
 		ToolItem item = items [i];
 		if (item.setFocus ()) return true;
 	}
 	return super.forceFocus ();
 }

 /**
  * 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];
 	System.arraycopy (items, 0, result, 0, itemCount);
 	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 (!(0 <= index && index < itemCount)) error (SWT.ERROR_INVALID_RANGE);
 	return items [index];
 }

 /**
  * 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 pt) {
 	checkWidget();
 	if (pt == null) error (SWT.ERROR_NULL_ARGUMENT);
 	for (int i=0; i<itemCount; i++) {
 		Rectangle rect = items [i].getBounds ();
 		if (rect.contains (pt)) return items [i];
 	}
 	return null;
 }

 /**
  * 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();
 	return 1;
 }

 boolean hasFocus () {
 	for (int i=0; i<itemCount; i++) {
 		ToolItem item = items [i];
 		if (item.hasFocus ()) return true;
 	}
 	return super.hasFocus();
 }

 /**
  * 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);
 	for (int i=0; i<itemCount; i++) {
 		if (items [i] == item) return i;
 	}
 	return -1;
 }

 void moveToBack (int child) {
 	OS.PtWidgetInsert (child, handle, 0);
 }

 int parentingHandle () {
 	return parentingHandle;
 }

 int Ph_EV_BOUNDARY (int widget, int info) {
 	if (info == 0) return OS.Pt_END;
 	PtCallbackInfo_t cbinfo = new PtCallbackInfo_t ();
 	OS.memmove (cbinfo, info, PtCallbackInfo_t.sizeof);
 	if (cbinfo.event == 0) return OS.Pt_END;
 	PhEvent_t ev = new PhEvent_t ();
 	OS.memmove (ev, cbinfo.event, PhEvent_t.sizeof);
 	switch ((int) ev.subtype) {
 		case OS.Ph_EV_PTR_ENTER_FROM_CHILD:
 		case OS.Ph_EV_PTR_LEAVE_TO_CHILD:
 			return OS.Pt_CONTINUE;
 	}
 	return super.Ph_EV_BOUNDARY (widget, info);
 }

 void register () {
 	super.register ();
 	if (parentingHandle != 0) WidgetTable.put (parentingHandle, this);
 }

 void releaseHandle () {
 	super.releaseHandle ();
 	parentingHandle = 0;
 }

 void releaseChildren (boolean destroy) {
 	if (items != null) {
 		for (int i=0; i<itemCount; i++) {
 			ToolItem item = items [i];
 			if (item != null && !item.isDisposed ()) {
 				item.release (false);
 			}
 		}
 		items = null;
 		itemCount = 0;
 	}
 	super.releaseChildren (destroy);
 }

 void removeControl (Control control) {
 	super.removeControl (control);
 	for (int i=0; i<itemCount; i++) {
 		ToolItem item = items [i];
 		if (item.control == control) item.setControl (null);
 	}
 }

 void reskinChildren (int flags) {
 	if (items != null) {
 		for (int i=0; i<items.length; i++) {
 			ToolItem item = items [i];
 			if (item != null) item.reskin (flags);
 		}
 	}
 	super.reskinChildren (flags);
 }

 void setBackgroundPixel (int pixel) {
 	super.setBackgroundPixel (pixel);
 	for (int i = 0; i < itemCount; i++) {
 		ToolItem item = items[i];
 		item.setBackgroundPixel (pixel);
 	}
 }

 int setBounds (int x, int y, int width, int height, boolean move, boolean resize, boolean events) {
 	int result = super.setBounds (x, y, width, height, move, resize, events);
 	if ((result & RESIZED) != 0) {
 		int [] args = {OS.Pt_ARG_WIDTH, 0, 0, OS.Pt_ARG_HEIGHT, 0, 0};
 		OS.PtGetResources (parentingHandle, args.length / 3, args);
 		OS.PtSetResources (handle, args.length / 3, args);
 	}
 	return result;
 }

 void setFont (int font) {
 	super.setFont (font);
 	for (int i = 0; i < itemCount; i++) {
 		ToolItem item = items[i];
 		item.setFont (font);
 	}
 }

 void setForegroundPixel (int pixel) {
 	super.setForegroundPixel (pixel);
 	for (int i = 0; i < itemCount; i++) {
 		ToolItem item = items[i];
 		item.setForegroundPixel (pixel);
 	}
 }

 int topHandle () {
 	return parentingHandle;
 }

 boolean translateTraversal (int key_sym, PhKeyEvent_t phEvent) {
 	boolean result = super.translateTraversal (key_sym, phEvent);
 	if (result) return result;
 	boolean next = false;
 	switch (key_sym) {
 		case OS.Pk_Up:
 		case OS.Pk_Left: next = false; break;
 		case OS.Pk_Down:
 		case OS.Pk_Right: next = true; break;
 		default: return false;
 	}
 	int length = itemCount;
 	int index = 0;
 	while (index < length) {
 		if (items [index].hasFocus ()) break;
 		index++;
 	}
 	/*
 	* It is possible (but unlikely), that application
 	* code could have disposed the widget in focus in
 	* or out events.  Ensure that a disposed widget is
 	* not accessed.
 	*/
 	int start = index, offset = (next) ? 1 : -1;
 	while ((index = (index + offset + length) % length) != start) {
 		ToolItem item = items [index];
 		if (item.setFocus ()) return false;
 	}
 	return false;
 }

 int widgetClass () {
 	return OS.PtToolbar ();
 }

 }
	/*******************************************************************************
	* Copyright (c) 2000, 2009 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.internal.photon.*;
	import org.eclipse.swt.*;
	import org.eclipse.swt.graphics.*;

	/**
	* 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>
	* @noextend This class is not intended to be subclassed by clients.
	*/
	public class ToolBar extends Composite {
	int parentingHandle;
	int itemCount;
	ToolItem [] items;
	ToolItem lastFocus;

	/**
	* 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;
	}
	int orientation = (style & SWT.VERTICAL) == 0 ? OS.Pt_HORIZONTAL : OS.Pt_VERTICAL;
	OS.PtSetResource (handle, OS.Pt_ARG_ORIENTATION, orientation, 0);
	}

	static int checkStyle (int style) {
	/*
	* 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);
	}

	Control [] _getChildren () {
	Control [] children = super._getChildren ();
	int count = 0;
	for (int i=0; i<itemCount; i++) {
	if (items [i].control != null) count++;
	}
	if (count == 0) return children;
	Control [] newChildren = new Control [children.length + count];
	System.arraycopy (children, 0, newChildren, 0, children.length);
	int index = children.length;
	for (int i=0; i<itemCount; i++) {
	ToolItem item = items [i];
	if (item.control != null) newChildren [index++] = item.control;
	}
	return newChildren;
	}

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

	public Point computeSize (int wHint, int hHint, boolean changed) {
	checkWidget();
	if (layout != null) {
	return super.computeSize (wHint, hHint, changed);
	}
	PhDim_t dim = new PhDim_t();
	if (!OS.PtWidgetIsRealized (handle)) OS.PtExtentWidgetFamily (handle);
	OS.PtWidgetPreferredSize(handle, dim);
	int width = dim.w, height = dim.h;
	if (wHint != SWT.DEFAULT \|\| hHint != SWT.DEFAULT) {
	PhRect_t rect = new PhRect_t ();
	PhArea_t area = new PhArea_t ();
	rect.lr_x = (short) (wHint - 1);
	rect.lr_y = (short) (hHint - 1);
	OS.PtSetAreaFromWidgetCanvas (handle, rect, area);
	if (wHint != SWT.DEFAULT) width = area.size_w;
	if (hHint != SWT.DEFAULT) height = area.size_h;
	}
	return new Point(width, height);
	}

	void createHandle (int index) {
	state \|= HANDLE;
	int parentHandle = parent.parentingHandle ();
	int [] args = {
	OS.Pt_ARG_RESIZE_FLAGS, 0, OS.Pt_RESIZE_XY_BITS,
	};
	parentingHandle = OS.PtCreateWidget (OS.PtContainer (), parentHandle, args.length / 3, args);
	if (parentingHandle == 0) error (SWT.ERROR_NO_HANDLES);
	args = new int [] {
	OS.Pt_ARG_FLAGS, (style & SWT.NO_FOCUS) != 0 ? 0 : OS.Pt_GETS_FOCUS, OS.Pt_GETS_FOCUS,
	OS.Pt_ARG_FLAGS, hasBorder () ? OS.Pt_HIGHLIGHTED : 0, OS.Pt_HIGHLIGHTED,
	OS.Pt_ARG_TOOLBAR_FLAGS, 0, OS.Pt_TOOLBAR_DRAGGABLE \| OS.Pt_TOOLBAR_END_SEPARATOR,
	OS.Pt_ARG_RESIZE_FLAGS, 0, OS.Pt_RESIZE_XY_BITS,
	};
	handle = OS.PtCreateWidget (display.PtToolbar, parentingHandle, args.length / 3, args);
	if ((style & SWT.FLAT) != 0) {
	OS.PtSetResource (handle, OS.Pt_ARG_BASIC_FLAGS, OS.Pt_FLAT_FILL, OS.Pt_FLAT_FILL);
	}
	if (handle == 0) error (SWT.ERROR_NO_HANDLES);
	}

	void createItem (ToolItem item, int index) {
	if (!(0 <= index && index <= itemCount)) error (SWT.ERROR_INVALID_RANGE);
	if (itemCount == items.length) {
	ToolItem [] newItems = new ToolItem [itemCount + 4];
	System.arraycopy (items, 0, newItems, 0, items.length);
	items = newItems;
	}
	item.createWidget (index);
	System.arraycopy (items, index, items, index + 1, itemCount++ - index);
	items [index] = item;
	}

	void createWidget (int index) {
	super.createWidget (index);
	items = new ToolItem [4];
	itemCount = 0;
	}

	void deregister () {
	super.deregister ();
	if (parentingHandle != 0) WidgetTable.remove (parentingHandle);
	}

	void destroyItem (ToolItem item) {
	int index = 0;
	while (index < itemCount) {
	if (items [index] == item) break;
	index++;
	}
	if (index == itemCount) return;
	System.arraycopy (items, index + 1, items, index, --itemCount - index);
	items [itemCount] = null;
	}

	public boolean forceFocus () {
	checkWidget();
	if (lastFocus != null && lastFocus.setFocus ()) return true;
	for (int i = 0; i < itemCount; i++) {
	ToolItem item = items [i];
	if (item.setFocus ()) return true;
	}
	return super.forceFocus ();
	}

	/**
	* 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];
	System.arraycopy (items, 0, result, 0, itemCount);
	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 (!(0 <= index && index < itemCount)) error (SWT.ERROR_INVALID_RANGE);
	return items [index];
	}

	/**
	* 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 pt) {
	checkWidget();
	if (pt == null) error (SWT.ERROR_NULL_ARGUMENT);
	for (int i=0; i<itemCount; i++) {
	Rectangle rect = items [i].getBounds ();
	if (rect.contains (pt)) return items [i];
	}
	return null;
	}

	/**
	* 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();
	return 1;
	}

	boolean hasFocus () {
	for (int i=0; i<itemCount; i++) {
	ToolItem item = items [i];
	if (item.hasFocus ()) return true;
	}
	return super.hasFocus();
	}

	/**
	* 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);
	for (int i=0; i<itemCount; i++) {
	if (items [i] == item) return i;
	}
	return -1;
	}

	void moveToBack (int child) {
	OS.PtWidgetInsert (child, handle, 0);
	}

	int parentingHandle () {
	return parentingHandle;
	}

	int Ph_EV_BOUNDARY (int widget, int info) {
	if (info == 0) return OS.Pt_END;
	PtCallbackInfo_t cbinfo = new PtCallbackInfo_t ();
	OS.memmove (cbinfo, info, PtCallbackInfo_t.sizeof);
	if (cbinfo.event == 0) return OS.Pt_END;
	PhEvent_t ev = new PhEvent_t ();
	OS.memmove (ev, cbinfo.event, PhEvent_t.sizeof);
	switch ((int) ev.subtype) {
	case OS.Ph_EV_PTR_ENTER_FROM_CHILD:
	case OS.Ph_EV_PTR_LEAVE_TO_CHILD:
	return OS.Pt_CONTINUE;
	}
	return super.Ph_EV_BOUNDARY (widget, info);
	}

	void register () {
	super.register ();
	if (parentingHandle != 0) WidgetTable.put (parentingHandle, this);
	}

	void releaseHandle () {
	super.releaseHandle ();
	parentingHandle = 0;
	}

	void releaseChildren (boolean destroy) {
	if (items != null) {
	for (int i=0; i<itemCount; i++) {
	ToolItem item = items [i];
	if (item != null && !item.isDisposed ()) {
	item.release (false);
	}
	}
	items = null;
	itemCount = 0;
	}
	super.releaseChildren (destroy);
	}

	void removeControl (Control control) {
	super.removeControl (control);
	for (int i=0; i<itemCount; i++) {
	ToolItem item = items [i];
	if (item.control == control) item.setControl (null);
	}
	}

	void reskinChildren (int flags) {
	if (items != null) {
	for (int i=0; i<items.length; i++) {
	ToolItem item = items [i];
	if (item != null) item.reskin (flags);
	}
	}
	super.reskinChildren (flags);
	}

	void setBackgroundPixel (int pixel) {
	super.setBackgroundPixel (pixel);
	for (int i = 0; i < itemCount; i++) {
	ToolItem item = items[i];
	item.setBackgroundPixel (pixel);
	}
	}

	int setBounds (int x, int y, int width, int height, boolean move, boolean resize, boolean events) {
	int result = super.setBounds (x, y, width, height, move, resize, events);
	if ((result & RESIZED) != 0) {
	int [] args = {OS.Pt_ARG_WIDTH, 0, 0, OS.Pt_ARG_HEIGHT, 0, 0};
	OS.PtGetResources (parentingHandle, args.length / 3, args);
	OS.PtSetResources (handle, args.length / 3, args);
	}
	return result;
	}

	void setFont (int font) {
	super.setFont (font);
	for (int i = 0; i < itemCount; i++) {
	ToolItem item = items[i];
	item.setFont (font);
	}
	}

	void setForegroundPixel (int pixel) {
	super.setForegroundPixel (pixel);
	for (int i = 0; i < itemCount; i++) {
	ToolItem item = items[i];
	item.setForegroundPixel (pixel);
	}
	}

	int topHandle () {
	return parentingHandle;
	}

	boolean translateTraversal (int key_sym, PhKeyEvent_t phEvent) {
	boolean result = super.translateTraversal (key_sym, phEvent);
	if (result) return result;
	boolean next = false;
	switch (key_sym) {
	case OS.Pk_Up:
	case OS.Pk_Left: next = false; break;
	case OS.Pk_Down:
	case OS.Pk_Right: next = true; break;
	default: return false;
	}
	int length = itemCount;
	int index = 0;
	while (index < length) {
	if (items [index].hasFocus ()) break;
	index++;
	}
	/*
	* It is possible (but unlikely), that application
	* code could have disposed the widget in focus in
	* or out events. Ensure that a disposed widget is
	* not accessed.
	*/
	int start = index, offset = (next) ? 1 : -1;
	while ((index = (index + offset + length) % length) != start) {
	ToolItem item = items [index];
	if (item.setFocus ()) return false;
	}
	return false;
	}

	int widgetClass () {
	return OS.PtToolbar ();
	}

	}