--- a/doc/todo.txt	Tue Jan 15 21:19:03 2008 +0100
+++ b/doc/todo.txt	Wed Jan 16 11:21:06 2008 +0100
@@ -134,7 +134,7 @@
 widgets/ToolBar                         // OK
 widgets/ToolItem                        // OK
 widgets/ToolTip                         // OKs
-widgets/Tracker
+widgets/Tracker                         // OK
 widgets/Tray                            // OKs
 widgets/TrayItem                        // OKs
 widgets/Tree

--- a/dsss.conf	Tue Jan 15 21:19:03 2008 +0100
+++ b/dsss.conf	Wed Jan 16 11:21:06 2008 +0100
@@ -1,7 +1,7 @@
 [dwt]
 type=library
 
-[helloworld.d]
+[dwtexamples/helloworld.d]
 
 buildflags+=-L-lgtk-x11-2.0
 buildflags+=-L-lgdk-x11-2.0
@@ -32,5 +32,3 @@
 buildflags+=-g -gc
 
 
-
-[structs.d]

--- a/dwt/internal/gtk/OS.d	Tue Jan 15 21:19:03 2008 +0100
+++ b/dwt/internal/gtk/OS.d	Wed Jan 16 11:21:06 2008 +0100
@@ -11,11 +11,9 @@
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
- *******************************************************************************/
-/********************************************************************************
- * D port done by:
- *      Frank Benoit <keinfarbton@googlemail.com>
- *      JJR
+ * Port to the D programming language:
+ *     Frank Benoit <benoit@tionex.de>
+ *     John Reimer <>
  *******************************************************************************/
 module dwt.internal.gtk.OS;
 

--- a/dwt/widgets/Button.d	Tue Jan 15 21:19:03 2008 +0100
+++ b/dwt/widgets/Button.d	Wed Jan 16 11:21:06 2008 +0100
@@ -144,6 +144,7 @@
     addListener (DWT.DefaultSelection,typedListener);
 }
 
+alias Control.computeSize computeSize;
 override public Point computeSize (int wHint, int hHint, bool changed) {
     checkWidget ();
     if (wHint !is DWT.DEFAULT && wHint < 0) wHint = 0;

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dwt/widgets/TabFolder.d	Wed Jan 16 11:21:06 2008 +0100
@@ -0,0 +1,706 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2007 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
+ *******************************************************************************/
+module dwt.widgets.TabFolder;
+
+
+
+import dwt.DWT;
+import dwt.DWTException;
+import dwt.events.SelectionEvent;
+import dwt.events.SelectionListener;
+import dwt.graphics.Point;
+import dwt.graphics.Rectangle;
+import dwt.internal.gtk.OS;
+import dwt.widgets.Composite;
+import dwt.widgets.TabItem;
+import dwt.widgets.ImageList;
+import dwt.widgets.Control;
+import dwt.widgets.TypedListener;
+import dwt.widgets.Event;
+
+/**
+ * Instances of this class implement the notebook user interface
+ * metaphor.  It allows the user to select a notebook page from
+ * set of pages.
+ * <p>
+ * The item children that may be added to instances of this class
+ * must be of type <code>TabItem</code>.
+ * <code>Control</code> children are created and then set into a
+ * tab item using <code>TabItem#setControl</code>.
+ * </p><p>
+ * Note that although this class is a subclass of <code>Composite</code>,
+ * it does not make sense to set a layout on it.
+ * </p><p>
+ * <dl>
+ * <dt><b>Styles:</b></dt>
+ * <dd>TOP, BOTTOM</dd>
+ * <dt><b>Events:</b></dt>
+ * <dd>Selection</dd>
+ * </dl>
+ * <p>
+ * Note: Only one of the styles TOP and BOTTOM may be specified.
+ * </p><p>
+ * IMPORTANT: This class is <em>not</em> intended to be subclassed.
+ * </p>
+ */
+public class TabFolder : Composite {
+    TabItem [] items;
+    ImageList imageList;
+
+/**
+ * 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>DWT</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>DWT</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 DWTException <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 DWT
+ * @see Widget#checkSubclass
+ * @see Widget#getStyle
+ */
+public this (Composite parent, int style) {
+    super (parent, checkStyle (style));
+}
+
+static int checkStyle (int style) {
+    style = checkBits (style, DWT.TOP, DWT.BOTTOM, 0, 0, 0, 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 DWT style.
+    */
+    return style & ~(DWT.H_SCROLL | DWT.V_SCROLL);
+}
+
+protected void checkSubclass () {
+    if (!isValidSubclass ()) error (DWT.ERROR_INVALID_SUBCLASS);
+}
+
+GtkStyle* childStyle () {
+    auto rcStyle = OS.gtk_widget_get_modifier_style (handle);
+    if ((OS.gtk_rc_style_get_color_flags (rcStyle, 0) & OS.GTK_RC_BG) !is 0) return null;
+    OS.gtk_widget_realize (handle);
+    return OS.gtk_widget_get_style (handle);
+}
+
+/**
+ * Adds the listener to the collection of listeners who will
+ * be notified when the user changes the receiver's selection, by sending
+ * it one of the messages defined in the <code>SelectionListener</code>
+ * interface.
+ * <p>
+ * When <code>widgetSelected</code> is called, the item field of the event object is valid.
+ * <code>widgetDefaultSelected</code> is not called.
+ * </p>
+ *
+ * @param listener the listener which should be notified when the user changes the receiver's selection
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
+ * </ul>
+ * @exception DWTException <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>
+ *
+ * @see SelectionListener
+ * @see #removeSelectionListener
+ * @see SelectionEvent
+ */
+public void addSelectionListener(SelectionListener listener) {
+    checkWidget ();
+    if (listener is null) error (DWT.ERROR_NULL_ARGUMENT);
+    TypedListener typedListener = new TypedListener(listener);
+    addListener(DWT.Selection,typedListener);
+    addListener(DWT.DefaultSelection,typedListener);
+}
+
+GtkWidget* clientHandle () {
+    int index = OS.gtk_notebook_get_current_page (handle);
+    if (index !is -1 && items [index] !is null) {
+        return items [index].pageHandle;
+    }
+    return handle;
+}
+
+public Point computeSize (int wHint, int hHint, bool changed) {
+    checkWidget ();
+    Point size = super.computeSize (wHint, hHint, changed);
+    if (wHint !is DWT.DEFAULT && wHint < 0) wHint = 0;
+    if (hHint !is DWT.DEFAULT && hHint < 0) hHint = 0;
+    bool scrollable = cast(bool)OS.gtk_notebook_get_scrollable (handle);
+    OS.gtk_notebook_set_scrollable (handle, false);
+    Point notebookSize = computeNativeSize (handle, wHint, hHint, changed);
+    OS.gtk_notebook_set_scrollable (handle, scrollable);
+    size.x = Math.max (notebookSize.x, size.x);
+    size.y = Math.max (notebookSize.y, size.y);
+    return size;
+}
+
+public Rectangle computeTrim (int x, int y, int width, int height) {
+    checkWidget();
+    forceResize ();
+    auto clientHandle = clientHandle ();
+    int clientX = OS.GTK_WIDGET_X (clientHandle);
+    int clientY = OS.GTK_WIDGET_Y (clientHandle);
+    x -= clientX;
+    y -= clientY;
+    width +=  clientX + clientX;
+    if ((style & DWT.BOTTOM) !is 0) {
+        int parentHeight = OS.GTK_WIDGET_HEIGHT (handle);
+        int clientHeight = OS.GTK_WIDGET_HEIGHT (clientHandle);
+        height += parentHeight - clientHeight;
+    } else {
+        height +=  clientX + clientY;
+    }
+    return new Rectangle (x, y, width, height);
+}
+
+void createHandle (int index) {
+    state |= HANDLE;
+    fixedHandle = cast(GtkWidget*)OS.g_object_new (display.gtk_fixed_get_type (), null);
+    if (fixedHandle is null) error (DWT.ERROR_NO_HANDLES);
+    OS.gtk_fixed_set_has_window (fixedHandle, true);
+    handle = cast(GtkWidget*)OS.gtk_notebook_new ();
+    if (handle is null) error (DWT.ERROR_NO_HANDLES);
+    OS.gtk_container_add (fixedHandle, handle);
+    OS.gtk_notebook_set_scrollable (handle, true);
+    OS.gtk_notebook_set_show_tabs (handle, true);
+    if ((style & DWT.BOTTOM) !is 0) {
+        OS.gtk_notebook_set_tab_pos (handle, OS.GTK_POS_BOTTOM);
+    }
+}
+
+void createWidget (int index) {
+    super.createWidget(index);
+    items = new TabItem [4];
+}
+
+void createItem (TabItem item, int index) {
+    auto list = OS.gtk_container_get_children (handle);
+    int itemCount = 0;
+    if (list !is null) {
+        itemCount = OS.g_list_length (list);
+        OS.g_list_free (list);
+    }
+    if (!(0 <= index && index <= itemCount)) error (DWT.ERROR_INVALID_RANGE);
+    if (itemCount is items.length) {
+        TabItem [] newItems = new TabItem [items.length + 4];
+        System.arraycopy (items, 0, newItems, 0, items.length);
+        items = newItems;
+    }
+    auto boxHandle = OS.gtk_hbox_new (false, 0);
+    if (boxHandle is null) error (DWT.ERROR_NO_HANDLES);
+    auto labelHandle = OS.gtk_label_new_with_mnemonic (null);
+    if (labelHandle is null) error (DWT.ERROR_NO_HANDLES);
+    auto imageHandle = OS.gtk_image_new ();
+    if (imageHandle is null) error (DWT.ERROR_NO_HANDLES);
+    OS.gtk_container_add (boxHandle, imageHandle);
+    OS.gtk_container_add (boxHandle, labelHandle);
+    auto pageHandle = cast(GtkWidget*)OS.g_object_new (display.gtk_fixed_get_type (), null);
+    if (pageHandle is null) error (DWT.ERROR_NO_HANDLES);
+    OS.g_signal_handlers_block_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udSWITCH_PAGE);
+    OS.gtk_notebook_insert_page (handle, pageHandle, boxHandle, index);
+    OS.g_signal_handlers_unblock_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udSWITCH_PAGE);
+    OS.gtk_widget_show (boxHandle);
+    OS.gtk_widget_show (labelHandle);
+    OS.gtk_widget_show (pageHandle);
+    item.state |= HANDLE;
+    item.handle = boxHandle;
+    item.labelHandle = labelHandle;
+    item.imageHandle = imageHandle;
+    item.pageHandle = pageHandle;
+    System.arraycopy (items, index, items, index + 1, itemCount++ - index);
+    items [index] = item;
+    if ((state & FOREGROUND) !is 0) {
+        item.setForegroundColor (getForegroundColor());
+    }
+    if ((state & FONT) !is 0) {
+        item.setFontDescription (getFontDescription());
+    }
+    if (itemCount is 1) {
+        OS.g_signal_handlers_block_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udSWITCH_PAGE);
+        OS.gtk_notebook_set_current_page (handle, 0);
+        OS.g_signal_handlers_unblock_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udSWITCH_PAGE);
+        Event event = new Event();
+        event.item = items[0];
+        sendEvent (DWT.Selection, event);
+        // the widget could be destroyed at this point
+    }
+}
+
+void destroyItem (TabItem item) {
+    int index = 0;
+    int itemCount = getItemCount();
+    while (index < itemCount) {
+        if (items [index] is item) break;
+        index++;
+    }
+    if (index is itemCount) error (DWT.ERROR_ITEM_NOT_REMOVED);
+    int oldIndex = OS.gtk_notebook_get_current_page (handle);
+    OS.g_signal_handlers_block_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udSWITCH_PAGE);
+    OS.gtk_notebook_remove_page (handle, index);
+    OS.g_signal_handlers_unblock_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udSWITCH_PAGE);
+    System.arraycopy (items, index + 1, items, index, --itemCount - index);
+    items [itemCount] = null;
+    if (index is oldIndex) {
+        int newIndex = OS.gtk_notebook_get_current_page (handle);
+        if (newIndex !is -1) {
+            Control control = items [newIndex].getControl ();
+            if (control !is null && !control.isDisposed ()) {
+                control.setBounds (getClientArea());
+                control.setVisible (true);
+            }
+            Event event = new Event ();
+            event.item = items [newIndex];
+            sendEvent (DWT.Selection, event);
+            // the widget could be destroyed at this point
+        }
+    }
+}
+
+GtkWidget* eventHandle () {
+    return fixedHandle;
+}
+
+/**
+ * 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 DWTException <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 TabItem getItem (int index) {
+    checkWidget();
+    if (!(0 <= index && index < getItemCount())) error (DWT.ERROR_INVALID_RANGE);
+    auto list = OS.gtk_container_get_children (handle);
+    if (list is null) error (DWT.ERROR_CANNOT_GET_ITEM);
+    int itemCount = OS.g_list_length (list);
+    OS.g_list_free (list);
+    if (!(0 <= index && index < itemCount)) error (DWT.ERROR_CANNOT_GET_ITEM);
+    return items [index];
+}
+
+/**
+ * Returns the number of items contained in the receiver.
+ *
+ * @return the number of items
+ *
+ * @exception DWTException <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();
+    auto list = OS.gtk_container_get_children (handle);
+    if (list is null) return 0;
+    int itemCount = OS.g_list_length (list);
+    OS.g_list_free (list);
+    return itemCount;
+}
+
+/**
+ * Returns an array of <code>TabItem</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 DWTException <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 TabItem [] getItems () {
+    checkWidget();
+    int count = getItemCount ();
+    TabItem [] result = new TabItem [count];
+    System.arraycopy (items, 0, result, 0, count);
+    return result;
+}
+
+/**
+ * Returns an array of <code>TabItem</code>s that are currently
+ * selected in the receiver. An empty array indicates that no
+ * items are selected.
+ * <p>
+ * Note: This is not the actual structure used by the receiver
+ * to maintain its selection, so modifying the array will
+ * not affect the receiver.
+ * </p>
+ * @return an array representing the selection
+ *
+ * @exception DWTException <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 TabItem [] getSelection () {
+    checkWidget();
+    int index = OS.gtk_notebook_get_current_page (handle);
+    if (index is -1) return new TabItem [0];
+    return [ items [index] ];
+}
+
+/**
+ * Returns the zero-relative index of the item which is currently
+ * selected in the receiver, or -1 if no item is selected.
+ *
+ * @return the index of the selected item
+ *
+ * @exception DWTException <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 getSelectionIndex () {
+    checkWidget();
+    return OS.gtk_notebook_get_current_page (handle);
+}
+
+override int gtk_focus (GtkWidget* widget, int /*long*/ directionType) {
+    return 0;
+}
+
+override int gtk_switch_page (GtkWidget* widget, int /*long*/ page, int /*long*/ page_num) {
+    int index = OS.gtk_notebook_get_current_page (handle);
+    if (index !is -1) {
+        Control control = items [index].getControl ();
+        if (control !is null && !control.isDisposed ()) {
+            control.setVisible (false);
+        }
+    }
+    TabItem item = items [cast(int)/*64*/page_num];
+    Control control = item.getControl ();
+    if (control !is null && !control.isDisposed ()) {
+        control.setBounds(getClientArea());
+        control.setVisible (true);
+    }
+    Event event = new Event();
+    event.item = item;
+    postEvent(DWT.Selection, event);
+    return 0;
+}
+
+void hookEvents () {
+    super.hookEvents ();
+    OS.g_signal_connect_closure (handle, OS.switch_page.ptr, display.closures [SWITCH_PAGE], false);
+}
+
+/**
+ * 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 item is null</li>
+ * </ul>
+ * @exception DWTException <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 (TabItem item) {
+    checkWidget();
+    if (item is null) error (DWT.ERROR_NULL_ARGUMENT);
+    auto list = OS.gtk_container_get_children (handle);
+    if (list is null) return -1;
+    int count = OS.g_list_length (list);
+    OS.g_list_free (list);
+    for (int i=0; i<count; i++) {
+        if (items [i] is item) return i;
+    }
+    return -1;
+}
+
+Point minimumSize (int wHint, int hHint, bool flushCache) {
+    Control [] children = _getChildren ();
+    int width = 0, height = 0;
+    for (int i=0; i<children.length; i++) {
+        Control child = children [i];
+        int index = 0;
+        int count = 0;
+        auto list = OS.gtk_container_get_children (handle);
+        if (list !is null) {
+            count = OS.g_list_length (list);
+            OS.g_list_free (list);
+        }
+        while (index < count) {
+            if (items [index].control is child) break;
+            index++;
+        }
+        if (index is count) {
+            Rectangle rect = child.getBounds ();
+            width = Math.max (width, rect.x + rect.width);
+            height = Math.max (height, rect.y + rect.height);
+        } else {
+            Point size = child.computeSize (wHint, hHint, flushCache);
+            width = Math.max (width, size.x);
+            height = Math.max (height, size.y);
+        }
+    }
+    return new Point (width, height);
+}
+
+alias Composite.mnemonicHit mnemonicHit;
+bool mnemonicHit (char key) {
+    int itemCount = getItemCount ();
+    for (int i=0; i<itemCount; i++) {
+        auto labelHandle = items [i].labelHandle;
+        if (labelHandle !is null && mnemonicHit (labelHandle, key)) return true;
+    }
+    return false;
+}
+
+alias Composite.mnemonicMatch mnemonicMatch;
+bool mnemonicMatch (char key) {
+    int itemCount = getItemCount ();
+    for (int i=0; i<itemCount; i++) {
+        auto labelHandle = items [i].labelHandle;
+        if (labelHandle !is null && mnemonicHit (labelHandle, key)) return true;
+    }
+    return false;
+}
+
+void releaseChildren (bool destroy) {
+    if (items !is null) {
+        for (int i=0; i<items.length; i++) {
+            TabItem item = items [i];
+            if (item !is null && !item.isDisposed ()) {
+                item.release (false);
+            }
+        }
+        items = null;
+    }
+    super.releaseChildren (destroy);
+}
+
+void releaseWidget () {
+    super.releaseWidget ();
+    if (imageList !is null) imageList.dispose ();
+    imageList = null;
+}
+
+void removeControl (Control control) {
+    super.removeControl (control);
+    int count = getItemCount ();
+    for (int i=0; i<count; i++) {
+        TabItem item = items [i];
+        if (item.control is control) item.setControl (null);
+    }
+}
+
+/**
+ * Removes the listener from the collection of listeners who will
+ * be notified when the user changes the receiver's selection.
+ *
+ * @param listener the listener which should no longer be notified
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
+ * </ul>
+ * @exception DWTException <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>
+ *
+ * @see SelectionListener
+ * @see #addSelectionListener
+ */
+public void removeSelectionListener (SelectionListener listener) {
+    checkWidget ();
+    if (listener is null) error (DWT.ERROR_NULL_ARGUMENT);
+    if (eventTable is null) return;
+    eventTable.unhook (DWT.Selection, listener);
+    eventTable.unhook (DWT.DefaultSelection,listener);
+}
+
+int setBounds (int x, int y, int width, int height, bool move, bool resize) {
+    int result = super.setBounds (x, y, width, height, move, resize);
+    if ((result & RESIZED) !is 0) {
+        int index = getSelectionIndex ();
+        if (index !is -1) {
+            TabItem item = items [index];
+            Control control = item.control;
+            if (control !is null && !control.isDisposed ()) {
+                control.setBounds (getClientArea ());
+            }
+        }
+    }
+    return result;
+}
+
+void setFontDescription (PangoFontDescription* font) {
+    super.setFontDescription (font);
+    TabItem [] items = getItems ();
+    for (int i = 0; i < items.length; i++) {
+        if (items[i] !is null) {
+            items[i].setFontDescription (font);
+        }
+    }
+}
+
+alias Composite.setForegroundColor setForegroundColor;
+void setForegroundColor (GdkColor* color) {
+    super.setForegroundColor (color);
+    TabItem [] items = getItems ();
+    for (int i = 0; i < items.length; i++) {
+        if (items[i] !is null) {
+            items[i].setForegroundColor (color);
+        }
+    }
+}
+
+/**
+ * Selects the item at the given zero-relative index in the receiver.
+ * If the item at the index was already selected, it remains selected.
+ * The current selection is first cleared, then the new items are
+ * selected. Indices that are out of range are ignored.
+ *
+ * @param index the index of the item to select
+ *
+ * @exception DWTException <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 void setSelection (int index) {
+    checkWidget ();
+    if (!(0 <= index && index < getItemCount ())) return;
+    setSelection (index, false);
+}
+
+void setSelection (int index, bool notify) {
+    if (index < 0) return;
+    int oldIndex = OS.gtk_notebook_get_current_page (handle);
+    if (oldIndex is index) return;
+    if (oldIndex !is -1) {
+        TabItem item = items [oldIndex];
+        Control control = item.control;
+        if (control !is null && !control.isDisposed ()) {
+            control.setVisible (false);
+        }
+    }
+    OS.g_signal_handlers_block_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udSWITCH_PAGE);
+    OS.gtk_notebook_set_current_page (handle, index);
+    OS.g_signal_handlers_unblock_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udSWITCH_PAGE);
+    int newIndex = OS.gtk_notebook_get_current_page (handle);
+    if (newIndex !is -1) {
+        TabItem item = items [newIndex];
+        Control control = item.control;
+        if (control !is null && !control.isDisposed ()) {
+            control.setBounds (getClientArea ());
+            control.setVisible (true);
+        }
+        if (notify) {
+            Event event = new Event ();
+            event.item = item;
+            sendEvent (DWT.Selection, event);
+        }
+    }
+}
+
+/**
+ * Sets the receiver's selection to the given item.
+ * The current selected is first cleared, then the new item is
+ * selected.
+ *
+ * @param item the item to select
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the item is null</li>
+ * </ul>
+ * @exception DWTException <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>
+ *
+ * @since 3.2
+ */
+public void setSelection (TabItem item) {
+    if (item is null) error (DWT.ERROR_NULL_ARGUMENT);
+    setSelection( [item] );
+}
+
+/**
+ * Sets the receiver's selection to be the given array of items.
+ * The current selected is first cleared, then the new items are
+ * selected.
+ *
+ * @param items the array of items
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the items array is null</li>
+ * </ul>
+ * @exception DWTException <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 void setSelection (TabItem [] items) {
+    checkWidget();
+    if (items is null) error (DWT.ERROR_NULL_ARGUMENT);
+    if (items.length is 0) {
+        setSelection (-1, false);
+    } else {
+        for (int i=items.length-1; i>=0; --i) {
+            int index = indexOf (items [i]);
+            if (index !is -1) setSelection (index, false);
+        }
+    }
+}
+
+bool traversePage (bool next) {
+    if (next) {
+        OS.gtk_notebook_next_page (handle);
+    } else {
+        OS.gtk_notebook_prev_page (handle);
+    }
+    return true;
+}
+
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dwt/widgets/TabItem.d	Wed Jan 16 11:21:06 2008 +0100
@@ -0,0 +1,356 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2007 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
+ *******************************************************************************/
+module dwt.widgets.TabItem;
+
+
+
+import dwt.DWT;
+import dwt.DWTException;
+import dwt.graphics.Image;
+import dwt.internal.gtk.OS;
+import dwt.widgets.Item;
+import dwt.widgets.Control;
+import dwt.widgets.TabFolder;
+import dwt.widgets.ImageList;
+
+static import tango.stdc.stringz;
+
+/**
+ * Instances of this class represent a selectable user interface object
+ * corresponding to a tab for a page in a tab folder.
+ * <dl>
+ * <dt><b>Styles:</b></dt>
+ * <dd>(none)</dd>
+ * <dt><b>Events:</b></dt>
+ * <dd>(none)</dd>
+ * </dl>
+ * <p>
+ * IMPORTANT: This class is <em>not</em> intended to be subclassed.
+ * </p>
+ */
+public class TabItem : Item {
+    GtkWidget* labelHandle, imageHandle, pageHandle;
+    Control control;
+    TabFolder parent;
+    char[] toolTipText;
+
+/**
+ * Constructs a new instance of this class given its parent
+ * (which must be a <code>TabFolder</code>) and a style value
+ * describing its behavior and appearance. The item is added
+ * to the end of the items maintained by its parent.
+ * <p>
+ * The style value is either one of the style constants defined in
+ * class <code>DWT</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>DWT</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 DWTException <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 DWT
+ * @see Widget#checkSubclass
+ * @see Widget#getStyle
+ */
+public this (TabFolder parent, int style) {
+    super (parent, style);
+    this.parent = parent;
+    createWidget (parent.getItemCount ());
+}
+
+/**
+ * Constructs a new instance of this class given its parent
+ * (which must be a <code>TabFolder</code>), a style value
+ * describing its behavior and appearance, and the index
+ * at which to place it in the items maintained by its parent.
+ * <p>
+ * The style value is either one of the style constants defined in
+ * class <code>DWT</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>DWT</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
+ * @param index the zero-relative index to store the receiver in its parent
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the parent is null</li>
+ *    <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the parent (inclusive)</li>
+ * </ul>
+ * @exception DWTException <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 DWT
+ * @see Widget#checkSubclass
+ * @see Widget#getStyle
+ */
+public this (TabFolder parent, int style, int index) {
+    super (parent, style);
+    this.parent = parent;
+    createWidget (index);
+}
+
+protected void checkSubclass () {
+    if (!isValidSubclass ()) error (DWT.ERROR_INVALID_SUBCLASS);
+}
+
+void createWidget (int index) {
+    parent.createItem (this, index);
+    setOrientation ();
+    hookEvents ();
+    register ();
+    text = "";
+}
+
+void deregister() {
+    super.deregister ();
+    if (labelHandle !is null) display.removeWidget (labelHandle);
+}
+
+void destroyWidget () {
+    parent.destroyItem (this);
+    releaseHandle ();
+}
+
+/**
+ * Returns the control that is used to fill the client area of
+ * the tab folder when the user selects the tab item.  If no
+ * control has been set, return <code>null</code>.
+ * <p>
+ * @return the control
+ *
+ * @exception DWTException <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 Control getControl () {
+    checkWidget ();
+    return control;
+}
+
+/**
+ * Returns the receiver's parent, which must be a <code>TabFolder</code>.
+ *
+ * @return the receiver's parent
+ *
+ * @exception DWTException <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 TabFolder getParent () {
+    checkWidget ();
+    return parent;
+}
+
+/**
+ * Returns the receiver's tool tip text, or null if it has
+ * not been set.
+ *
+ * @return the receiver's tool tip text
+ *
+ * @exception DWTException <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 char[] getToolTipText () {
+    checkWidget ();
+    return toolTipText;
+}
+
+override int gtk_enter_notify_event (GtkWidget* widget, GdkEventCrossing* event) {
+    parent.gtk_enter_notify_event (widget, event);
+    return 0;
+}
+
+override int gtk_mnemonic_activate (GtkWidget* widget, int /*long*/ arg1) {
+    return parent.gtk_mnemonic_activate (widget, arg1);
+}
+
+void hookEvents () {
+    super.hookEvents ();
+    if (labelHandle !is null) OS.g_signal_connect_closure_by_id (labelHandle, display.signalIds [MNEMONIC_ACTIVATE], 0, display.closures [MNEMONIC_ACTIVATE], false);
+    OS.g_signal_connect_closure_by_id (handle, display.signalIds [ENTER_NOTIFY_EVENT], 0, display.closures [ENTER_NOTIFY_EVENT], false);
+}
+
+void register () {
+    super.register ();
+    if (labelHandle !is null) display.addWidget (labelHandle, this);
+}
+
+void releaseHandle () {
+    super.releaseHandle ();
+    pageHandle = labelHandle = imageHandle = null;
+    parent = null;
+}
+
+void releaseParent () {
+    super.releaseParent ();
+    int index = parent.indexOf (this);
+    if (index is parent.getSelectionIndex ()) {
+        if (control !is null) control.setVisible (false);
+    }
+}
+
+/**
+ * Sets the control that is used to fill the client area of
+ * the tab folder when the user selects the tab item.
+ * <p>
+ * @param control the new control (or null)
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_INVALID_ARGUMENT - if the control has been disposed</li>
+ *    <li>ERROR_INVALID_PARENT - if the control is not in the same widget tree</li>
+ * </ul>
+ * @exception DWTException <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 void setControl (Control control) {
+    checkWidget ();
+    if (control !is null) {
+        if (control.isDisposed ()) error (DWT.ERROR_INVALID_ARGUMENT);
+        if (control.parent !is parent) error (DWT.ERROR_INVALID_PARENT);
+    }
+    Control oldControl = this.control, newControl = control;
+    this.control = control;
+    int index = parent.indexOf (this);
+    if (index !is parent.getSelectionIndex ()) {
+        if (newControl !is null) newControl.setVisible (false);
+        return;
+    }
+    if (newControl !is null) {
+        newControl.setBounds (parent.getClientArea ());
+        newControl.setVisible (true);
+    }
+    if (oldControl !is null) oldControl.setVisible (false);
+}
+
+void setFontDescription (PangoFontDescription* font) {
+    OS.gtk_widget_modify_font (labelHandle, font);
+    OS.gtk_widget_modify_font (imageHandle, font);
+}
+
+alias Item.setForegroundColor setForegroundColor;
+void setForegroundColor (GdkColor* color) {
+    /* Don't set the color in vbox handle (it doesn't draw) */
+    setForegroundColor (labelHandle, color);
+    setForegroundColor (imageHandle, color);
+}
+
+public void setImage (Image image) {
+    checkWidget ();
+    super.setImage (image);
+    if (image !is null) {
+        ImageList imageList = parent.imageList;
+        if (imageList is null) imageList = parent.imageList = new ImageList ();
+        int imageIndex = imageList.indexOf (image);
+        if (imageIndex is -1) {
+            imageIndex = imageList.add (image);
+        } else {
+            imageList.put (imageIndex, image);
+        }
+        auto pixbuf = imageList.getPixbuf (imageIndex);
+        OS.gtk_image_set_from_pixbuf (imageHandle, pixbuf);
+        OS.gtk_widget_show (imageHandle);
+    } else {
+        OS.gtk_image_set_from_pixbuf (imageHandle, null);
+        OS.gtk_widget_hide (imageHandle);
+    }
+}
+
+void setOrientation () {
+    if ((parent.style & DWT.RIGHT_TO_LEFT) !is 0) {
+        if (handle !is null) OS.gtk_widget_set_direction (handle, OS.GTK_TEXT_DIR_RTL);
+        if (labelHandle !is null) OS.gtk_widget_set_direction (labelHandle, OS.GTK_TEXT_DIR_RTL);
+        if (imageHandle !is null) OS.gtk_widget_set_direction (imageHandle, OS.GTK_TEXT_DIR_RTL);
+        if (pageHandle !is null) OS.gtk_widget_set_direction (pageHandle, OS.GTK_TEXT_DIR_RTL);
+    }
+}
+
+/**
+ * Sets the receiver's text.  The string may include
+ * the mnemonic character.
+ * </p>
+ * <p>
+ * Mnemonics are indicated by an '&amp;' that causes the next
+ * character to be the mnemonic.  When the user presses a
+ * key sequence that matches the mnemonic, a selection
+ * event occurs. On most platforms, the mnemonic appears
+ * underlined but may be emphasised in a platform specific
+ * manner.  The mnemonic indicator character '&amp;' can be
+ * escaped by doubling it in the string, causing a single
+ * '&amp;' to be displayed.
+ * </p>
+ *
+ * @param string the new text
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the text is null</li>
+ * </ul>
+ * @exception DWTException <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 void setText (char[] string) {
+    checkWidget ();
+    if (string is null) error (DWT.ERROR_NULL_ARGUMENT);
+    super.setText (string);
+    char [] chars = fixMnemonic (string);
+    char* buffer = tango.stdc.stringz.toStringz( chars);
+    OS.gtk_label_set_text_with_mnemonic (labelHandle, buffer);
+    if (string.length !is 0) {
+        OS.gtk_widget_show (labelHandle);
+    } else {
+        OS.gtk_widget_hide (labelHandle);
+    }
+}
+
+/**
+ * Sets the receiver's tool tip text to the argument, which
+ * may be null indicating that no tool tip text should be shown.
+ *
+ * @param string the new tool tip text (or null)
+ *
+ * @exception DWTException <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 void setToolTipText (char[] string) {
+    checkWidget ();
+    toolTipText = string;
+}
+
+}