Converting Binary files to ASCII

1 files changed, 413 insertions, 413 deletions

diff --git a/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Scale.java b/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Scale.java
index 09b770cead..e3efc29250 100755
--- a/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Scale.java
+++ b/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Scale.java
@@ -1,416 +1,416 @@
-package org.eclipse.swt.widgets;

-

-/*

+package org.eclipse.swt.widgets;
+
+/*
  * Copyright (c) 2000, 2002 IBM Corp.  All rights reserved.
  * This file is made available under the terms of the Common Public License v1.0
  * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/cpl-v10.html

- */

- 

-import org.eclipse.swt.internal.win32.*;

-import org.eclipse.swt.*;

-import org.eclipse.swt.graphics.*;

-import org.eclipse.swt.events.*;

-

-/**

- * Instances of the receiver represent a selectable user

- * interface object that present a range of continuous

- * numeric values.

- * <dl>

- * <dt><b>Styles:</b></dt>

- * <dd>HORIZONTAL, VERTICAL</dd>

- * <dt><b>Events:</b></dt>

- * <dd>Selection</dd>

- * </dl>

- * <p>

- * Note: Only one of the styles HORIZONTAL and VERTICAL may be specified.

- * </p><p>

- * <p>

- * IMPORTANT: This class is intended to be subclassed <em>only</em>

- * within the SWT implementation.

- * </p>

- */

-

-public class Scale extends Control {

-	static final int TrackBarProc;

-	static final TCHAR TrackBarClass = new TCHAR (0, OS.TRACKBAR_CLASS, true);

-	static {

-		WNDCLASS lpWndClass = new WNDCLASS ();

-		OS.GetClassInfo (0, TrackBarClass, lpWndClass);

-		TrackBarProc = lpWndClass.lpfnWndProc;

-	}

-

-/**

- * 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#HORIZONTAL

- * @see SWT#VERTICAL

- * @see Widget#checkSubclass

- * @see Widget#getStyle

- */

-public Scale (Composite parent, int style) {

-	super (parent, checkStyle (style));

-}

-

-/**

- * Adds the listener to the collection of listeners who will

- * be notified when the receiver's value changes, by sending

- * it one of the messages defined in the <code>SelectionListener</code>

- * interface.

- *

- * @param listener the listener which should be notified

- *

- * @exception IllegalArgumentException <ul>

- *    <li>ERROR_NULL_ARGUMENT - if the listener 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>

- *

- * @see SelectionListener

- * @see #removeSelectionListener

- */

-public void addSelectionListener(SelectionListener listener) {

-	checkWidget ();

-	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);

-	TypedListener typedListener = new TypedListener (listener);

-	addListener (SWT.Selection,typedListener);

-	addListener (SWT.DefaultSelection,typedListener);

-}

-

-int callWindowProc (int msg, int wParam, int lParam) {

-	if (handle == 0) return 0;

-	return OS.CallWindowProc (TrackBarProc, handle, msg, wParam, lParam);

-}

-

-static int checkStyle (int style) {

-	return checkBits (style, SWT.HORIZONTAL, SWT.VERTICAL, 0, 0, 0, 0);

-}

-

-public Point computeSize (int wHint, int hHint, boolean changed) {

-	checkWidget ();

-	int border = getBorderWidth ();

-	int width = border * 2, height = border * 2;

-	RECT rect = new RECT ();

-	OS.SendMessage (handle, OS.TBM_GETTHUMBRECT, 0, rect);

-	if ((style & SWT.HORIZONTAL) != 0) {

-		width += OS.GetSystemMetrics (OS.SM_CXHSCROLL) * 10;

-		int scrollY = OS.GetSystemMetrics (OS.SM_CYHSCROLL);

-		height += (rect.top * 2) + scrollY + (scrollY / 3);

-	} else {

-		int scrollX = OS.GetSystemMetrics (OS.SM_CXVSCROLL);

-		width += (rect.left * 2) + scrollX + (scrollX / 3);

-		height += OS.GetSystemMetrics (OS.SM_CYVSCROLL) * 10;

-	}

-	if (wHint != SWT.DEFAULT) width = wHint + (border * 2);

-	if (hHint != SWT.DEFAULT) height = hHint + (border * 2);

-	return new Point (width, height);

-}

-

-void createHandle () {

-	super.createHandle ();

-	OS.SendMessage (handle, OS.TBM_SETRANGEMAX, 0, 100);

-	OS.SendMessage (handle, OS.TBM_SETPAGESIZE, 0, 10);

-	OS.SendMessage (handle, OS.TBM_SETTICFREQ, 10, 0);

-}

-

-int defaultForeground () {

-	return OS.GetSysColor (OS.COLOR_BTNFACE);

-}

-

-/**

- * Returns the amount that the receiver's value will be

- * modified by when the up/down (or right/left) arrows

- * are pressed.

- *

- * @return the increment

- *

- * @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 getIncrement () {

-	checkWidget ();

-	return OS.SendMessage (handle, OS.TBM_GETLINESIZE, 0, 0);

-}

-

-/**

- * Returns the maximum value which the receiver will allow.

- *

- * @return the maximum

- *

- * @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 getMaximum () {

-	checkWidget ();

-	return OS.SendMessage (handle, OS.TBM_GETRANGEMAX, 0, 0);

-}

-

-/**

- * Returns the minimum value which the receiver will allow.

- *

- * @return the minimum

- *

- * @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 getMinimum () {

-	checkWidget ();

-	return OS.SendMessage (handle, OS.TBM_GETRANGEMIN, 0, 0);

-}

-

-/**

- * Returns the amount that the receiver's value will be

- * modified by when the page increment/decrement areas

- * are selected.

- *

- * @return the page increment

- *

- * @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 getPageIncrement () {

-	checkWidget ();

-	return OS.SendMessage (handle, OS.TBM_GETPAGESIZE, 0, 0);

-}

-

-/**

- * Returns the single <em>selection</em> that is the receiver's position.

- *

- * @return the selection

- *

- * @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 getSelection () {

-	checkWidget ();

-	return OS.SendMessage (handle, OS.TBM_GETPOS, 0, 0);

-}

-

-/**

- * Removes the listener from the collection of listeners who will

- * be notified when the receiver's value changes.

- *

- * @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 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>

- *

- * @see SelectionListener

- * @see #addSelectionListener

- */

-public void removeSelectionListener(SelectionListener listener) {

-	checkWidget ();

-	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);

-	if (eventTable == null) return;

-	eventTable.unhook (SWT.Selection, listener);

-	eventTable.unhook (SWT.DefaultSelection,listener);	

-}

-

-void setBackgroundPixel (int pixel) {

-	if (background == pixel) return;

-	super.setBackgroundPixel (pixel);

-	/*

-	* Bug in Windows.  Changing the background color of the Scale

-	* widget and calling InvalidateRect still draws with the old color.

-	* The fix is to post a fake WM_SETFOCUS event to cause it to redraw

-	* with the new background color.

-	* 

-	* Note.  This WM_SETFOCUS message causes recursion when

-	* setBackground is called from within the focus event listener.

-	*/

-	OS.PostMessage (handle, OS.WM_SETFOCUS, 0, 0);

-}

-

-/**

- * Sets the amount that the receiver's value will be

- * modified by when the up/down (or right/left) arrows

- * are pressed to the argument, which must be at least 

- * one.

- *

- * @param value the new increment (must be greater than zero)

- *

- * @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 void setIncrement (int increment) {

-	checkWidget ();

-	if (increment < 1) return;

-	int minimum = OS.SendMessage (handle, OS.TBM_GETRANGEMIN, 0, 0);

-	int maximum = OS.SendMessage (handle, OS.TBM_GETRANGEMAX, 0, 0);

-	if (increment > maximum - minimum) return;

-	OS.SendMessage (handle, OS.TBM_SETLINESIZE, 0, increment);

-}

-

-/**

- * Sets the maximum value which the receiver will allow

- * to be the argument which must be greater than or

- * equal to zero.

- *

- * @param value the new maximum (must be zero or greater)

- *

- * @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 void setMaximum (int value) {

-	checkWidget ();

-	int minimum = OS.SendMessage (handle, OS.TBM_GETRANGEMIN, 0, 0);

-	if (0 <= minimum && minimum < value) {

-		OS.SendMessage (handle, OS.TBM_SETRANGEMAX, 1, value);

-	}

-}

-

-/**

- * Sets the minimum value which the receiver will allow

- * to be the argument which must be greater than or

- * equal to zero.

- *

- * @param value the new minimum (must be zero or greater)

- *

- * @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 void setMinimum (int value) {

-	checkWidget ();

-	int maximum = OS.SendMessage (handle, OS.TBM_GETRANGEMAX, 0, 0);

-	if (0 <= value && value < maximum) {

-		OS.SendMessage (handle, OS.TBM_SETRANGEMIN, 1, value);

-	}

-}

-

-/**

- * Sets the amount that the receiver's value will be

- * modified by when the page increment/decrement areas

- * are selected to the argument, which must be at least

- * one.

- *

- * @return the page increment (must be greater than zero)

- *

- * @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 void setPageIncrement (int pageIncrement) {

-	checkWidget ();

-	if (pageIncrement < 1) return;

-	int minimum = OS.SendMessage (handle, OS.TBM_GETRANGEMIN, 0, 0);

-	int maximum = OS.SendMessage (handle, OS.TBM_GETRANGEMAX, 0, 0);

-	if (pageIncrement > maximum - minimum) return;

-	OS.SendMessage (handle, OS.TBM_SETPAGESIZE, 0, pageIncrement);

-	OS.SendMessage (handle, OS.TBM_SETTICFREQ, pageIncrement, 0);

-}

-

-/**

- * Sets the single <em>selection</em> that is the receiver's

- * value to the argument which must be greater than or equal

- * to zero.

- *

- * @param value the new selection (must be zero or greater)

- *

- * @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 void setSelection (int value) {

-	checkWidget ();

-	OS.SendMessage (handle, OS.TBM_SETPOS, 1, value);

-}

-

-int widgetStyle () {

-	int bits = super.widgetStyle () | OS.WS_TABSTOP | OS.TBS_BOTH | OS.TBS_AUTOTICKS;

-	if ((style & SWT.HORIZONTAL) != 0) return bits | OS.TBS_HORZ;

-	return bits | OS.TBS_VERT;

-}

-

-TCHAR windowClass () {

-	return TrackBarClass;

-}

-

-int windowProc () {

-	return TrackBarProc;

-}

-

-LRESULT wmScrollChild (int wParam, int lParam) {

-	

-	/* Do nothing when scrolling is ending */

-	int code = wParam & 0xFFFF;

-	if (code == OS.TB_ENDTRACK) return null;

-	

-	/*

-	* This code is intentionally commented.  The event

-	* detail field is not currently supported on all

-	* platforms.

-	*/

-	Event event = new Event ();

-//	switch (code) {

-//		/*

-//		* This line is intentionally commented.  Do not set the detail

-//		* field to DRAG to indicate that the dragging has ended when the

-//		* scroll bar is finally positioned in TB_THUMBPOSITION.

-//		*/

-////		case OS.TB_THUMBPOSITION: 	break;

-//		case OS.TB_THUMBTRACK:		event.detail = SWT.DRAG;  break;

-//		case OS.TB_TOP: 			event.detail = SWT.HOME;  break;

-//		case OS.TB_BOTTOM:		event.detail = SWT.END;  break;

-//		case OS.TB_LINEDOWN:		event.detail = SWT.ARROW_DOWN;  break;

-//		case OS.TB_LINEUP: 		event.detail = SWT.ARROW_UP;  break;

-//		case OS.TB_PAGEDOWN: 		event.detail = SWT.PAGE_DOWN;  break;

-//		case OS.TB_PAGEUP: 		event.detail = SWT.PAGE_UP;  break;

-//	}

-	

-	/*

-	* Send the event because WM_HSCROLL and WM_VSCROLL

-	* are sent from a modal message loop in windows that

-	* is active when the user is scrolling.

-	*/

-	sendEvent (SWT.Selection, event);

-	// widget could be disposed at this point

-	return null;

-}

-

-}

+ * http://www.eclipse.org/legal/cpl-v10.html
+ */
+ 
+import org.eclipse.swt.internal.win32.*;
+import org.eclipse.swt.*;
+import org.eclipse.swt.graphics.*;
+import org.eclipse.swt.events.*;
+
+/**
+ * Instances of the receiver represent a selectable user
+ * interface object that present a range of continuous
+ * numeric values.
+ * <dl>
+ * <dt><b>Styles:</b></dt>
+ * <dd>HORIZONTAL, VERTICAL</dd>
+ * <dt><b>Events:</b></dt>
+ * <dd>Selection</dd>
+ * </dl>
+ * <p>
+ * Note: Only one of the styles HORIZONTAL and VERTICAL may be specified.
+ * </p><p>
+ * <p>
+ * IMPORTANT: This class is intended to be subclassed <em>only</em>
+ * within the SWT implementation.
+ * </p>
+ */
+
+public class Scale extends Control {
+	static final int TrackBarProc;
+	static final TCHAR TrackBarClass = new TCHAR (0, OS.TRACKBAR_CLASS, true);
+	static {
+		WNDCLASS lpWndClass = new WNDCLASS ();
+		OS.GetClassInfo (0, TrackBarClass, lpWndClass);
+		TrackBarProc = lpWndClass.lpfnWndProc;
+	}
+
+/**
+ * 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#HORIZONTAL
+ * @see SWT#VERTICAL
+ * @see Widget#checkSubclass
+ * @see Widget#getStyle
+ */
+public Scale (Composite parent, int style) {
+	super (parent, checkStyle (style));
+}
+
+/**
+ * Adds the listener to the collection of listeners who will
+ * be notified when the receiver's value changes, by sending
+ * it one of the messages defined in the <code>SelectionListener</code>
+ * interface.
+ *
+ * @param listener the listener which should be notified
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_NULL_ARGUMENT - if the listener 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>
+ *
+ * @see SelectionListener
+ * @see #removeSelectionListener
+ */
+public void addSelectionListener(SelectionListener listener) {
+	checkWidget ();
+	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
+	TypedListener typedListener = new TypedListener (listener);
+	addListener (SWT.Selection,typedListener);
+	addListener (SWT.DefaultSelection,typedListener);
+}
+
+int callWindowProc (int msg, int wParam, int lParam) {
+	if (handle == 0) return 0;
+	return OS.CallWindowProc (TrackBarProc, handle, msg, wParam, lParam);
+}
+
+static int checkStyle (int style) {
+	return checkBits (style, SWT.HORIZONTAL, SWT.VERTICAL, 0, 0, 0, 0);
+}
+
+public Point computeSize (int wHint, int hHint, boolean changed) {
+	checkWidget ();
+	int border = getBorderWidth ();
+	int width = border * 2, height = border * 2;
+	RECT rect = new RECT ();
+	OS.SendMessage (handle, OS.TBM_GETTHUMBRECT, 0, rect);
+	if ((style & SWT.HORIZONTAL) != 0) {
+		width += OS.GetSystemMetrics (OS.SM_CXHSCROLL) * 10;
+		int scrollY = OS.GetSystemMetrics (OS.SM_CYHSCROLL);
+		height += (rect.top * 2) + scrollY + (scrollY / 3);
+	} else {
+		int scrollX = OS.GetSystemMetrics (OS.SM_CXVSCROLL);
+		width += (rect.left * 2) + scrollX + (scrollX / 3);
+		height += OS.GetSystemMetrics (OS.SM_CYVSCROLL) * 10;
+	}
+	if (wHint != SWT.DEFAULT) width = wHint + (border * 2);
+	if (hHint != SWT.DEFAULT) height = hHint + (border * 2);
+	return new Point (width, height);
+}
+
+void createHandle () {
+	super.createHandle ();
+	OS.SendMessage (handle, OS.TBM_SETRANGEMAX, 0, 100);
+	OS.SendMessage (handle, OS.TBM_SETPAGESIZE, 0, 10);
+	OS.SendMessage (handle, OS.TBM_SETTICFREQ, 10, 0);
+}
+
+int defaultForeground () {
+	return OS.GetSysColor (OS.COLOR_BTNFACE);
+}
+
+/**
+ * Returns the amount that the receiver's value will be
+ * modified by when the up/down (or right/left) arrows
+ * are pressed.
+ *
+ * @return the increment
+ *
+ * @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 getIncrement () {
+	checkWidget ();
+	return OS.SendMessage (handle, OS.TBM_GETLINESIZE, 0, 0);
+}
+
+/**
+ * Returns the maximum value which the receiver will allow.
+ *
+ * @return the maximum
+ *
+ * @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 getMaximum () {
+	checkWidget ();
+	return OS.SendMessage (handle, OS.TBM_GETRANGEMAX, 0, 0);
+}
+
+/**
+ * Returns the minimum value which the receiver will allow.
+ *
+ * @return the minimum
+ *
+ * @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 getMinimum () {
+	checkWidget ();
+	return OS.SendMessage (handle, OS.TBM_GETRANGEMIN, 0, 0);
+}
+
+/**
+ * Returns the amount that the receiver's value will be
+ * modified by when the page increment/decrement areas
+ * are selected.
+ *
+ * @return the page increment
+ *
+ * @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 getPageIncrement () {
+	checkWidget ();
+	return OS.SendMessage (handle, OS.TBM_GETPAGESIZE, 0, 0);
+}
+
+/**
+ * Returns the single <em>selection</em> that is the receiver's position.
+ *
+ * @return the selection
+ *
+ * @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 getSelection () {
+	checkWidget ();
+	return OS.SendMessage (handle, OS.TBM_GETPOS, 0, 0);
+}
+
+/**
+ * Removes the listener from the collection of listeners who will
+ * be notified when the receiver's value changes.
+ *
+ * @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 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>
+ *
+ * @see SelectionListener
+ * @see #addSelectionListener
+ */
+public void removeSelectionListener(SelectionListener listener) {
+	checkWidget ();
+	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
+	if (eventTable == null) return;
+	eventTable.unhook (SWT.Selection, listener);
+	eventTable.unhook (SWT.DefaultSelection,listener);	
+}
+
+void setBackgroundPixel (int pixel) {
+	if (background == pixel) return;
+	super.setBackgroundPixel (pixel);
+	/*
+	* Bug in Windows.  Changing the background color of the Scale
+	* widget and calling InvalidateRect still draws with the old color.
+	* The fix is to post a fake WM_SETFOCUS event to cause it to redraw
+	* with the new background color.
+	* 
+	* Note.  This WM_SETFOCUS message causes recursion when
+	* setBackground is called from within the focus event listener.
+	*/
+	OS.PostMessage (handle, OS.WM_SETFOCUS, 0, 0);
+}
+
+/**
+ * Sets the amount that the receiver's value will be
+ * modified by when the up/down (or right/left) arrows
+ * are pressed to the argument, which must be at least 
+ * one.
+ *
+ * @param value the new increment (must be greater than zero)
+ *
+ * @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 void setIncrement (int increment) {
+	checkWidget ();
+	if (increment < 1) return;
+	int minimum = OS.SendMessage (handle, OS.TBM_GETRANGEMIN, 0, 0);
+	int maximum = OS.SendMessage (handle, OS.TBM_GETRANGEMAX, 0, 0);
+	if (increment > maximum - minimum) return;
+	OS.SendMessage (handle, OS.TBM_SETLINESIZE, 0, increment);
+}
+
+/**
+ * Sets the maximum value which the receiver will allow
+ * to be the argument which must be greater than or
+ * equal to zero.
+ *
+ * @param value the new maximum (must be zero or greater)
+ *
+ * @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 void setMaximum (int value) {
+	checkWidget ();
+	int minimum = OS.SendMessage (handle, OS.TBM_GETRANGEMIN, 0, 0);
+	if (0 <= minimum && minimum < value) {
+		OS.SendMessage (handle, OS.TBM_SETRANGEMAX, 1, value);
+	}
+}
+
+/**
+ * Sets the minimum value which the receiver will allow
+ * to be the argument which must be greater than or
+ * equal to zero.
+ *
+ * @param value the new minimum (must be zero or greater)
+ *
+ * @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 void setMinimum (int value) {
+	checkWidget ();
+	int maximum = OS.SendMessage (handle, OS.TBM_GETRANGEMAX, 0, 0);
+	if (0 <= value && value < maximum) {
+		OS.SendMessage (handle, OS.TBM_SETRANGEMIN, 1, value);
+	}
+}
+
+/**
+ * Sets the amount that the receiver's value will be
+ * modified by when the page increment/decrement areas
+ * are selected to the argument, which must be at least
+ * one.
+ *
+ * @return the page increment (must be greater than zero)
+ *
+ * @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 void setPageIncrement (int pageIncrement) {
+	checkWidget ();
+	if (pageIncrement < 1) return;
+	int minimum = OS.SendMessage (handle, OS.TBM_GETRANGEMIN, 0, 0);
+	int maximum = OS.SendMessage (handle, OS.TBM_GETRANGEMAX, 0, 0);
+	if (pageIncrement > maximum - minimum) return;
+	OS.SendMessage (handle, OS.TBM_SETPAGESIZE, 0, pageIncrement);
+	OS.SendMessage (handle, OS.TBM_SETTICFREQ, pageIncrement, 0);
+}
+
+/**
+ * Sets the single <em>selection</em> that is the receiver's
+ * value to the argument which must be greater than or equal
+ * to zero.
+ *
+ * @param value the new selection (must be zero or greater)
+ *
+ * @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 void setSelection (int value) {
+	checkWidget ();
+	OS.SendMessage (handle, OS.TBM_SETPOS, 1, value);
+}
+
+int widgetStyle () {
+	int bits = super.widgetStyle () | OS.WS_TABSTOP | OS.TBS_BOTH | OS.TBS_AUTOTICKS;
+	if ((style & SWT.HORIZONTAL) != 0) return bits | OS.TBS_HORZ;
+	return bits | OS.TBS_VERT;
+}
+
+TCHAR windowClass () {
+	return TrackBarClass;
+}
+
+int windowProc () {
+	return TrackBarProc;
+}
+
+LRESULT wmScrollChild (int wParam, int lParam) {
+	
+	/* Do nothing when scrolling is ending */
+	int code = wParam & 0xFFFF;
+	if (code == OS.TB_ENDTRACK) return null;
+	
+	/*
+	* This code is intentionally commented.  The event
+	* detail field is not currently supported on all
+	* platforms.
+	*/
+	Event event = new Event ();
+//	switch (code) {
+//		/*
+//		* This line is intentionally commented.  Do not set the detail
+//		* field to DRAG to indicate that the dragging has ended when the
+//		* scroll bar is finally positioned in TB_THUMBPOSITION.
+//		*/
+////		case OS.TB_THUMBPOSITION: 	break;
+//		case OS.TB_THUMBTRACK:		event.detail = SWT.DRAG;  break;
+//		case OS.TB_TOP: 			event.detail = SWT.HOME;  break;
+//		case OS.TB_BOTTOM:		event.detail = SWT.END;  break;
+//		case OS.TB_LINEDOWN:		event.detail = SWT.ARROW_DOWN;  break;
+//		case OS.TB_LINEUP: 		event.detail = SWT.ARROW_UP;  break;
+//		case OS.TB_PAGEDOWN: 		event.detail = SWT.PAGE_DOWN;  break;
+//		case OS.TB_PAGEUP: 		event.detail = SWT.PAGE_UP;  break;
+//	}
+	
+	/*
+	* Send the event because WM_HSCROLL and WM_VSCROLL
+	* are sent from a modal message loop in windows that
+	* is active when the user is scrolling.
+	*/
+	sendEvent (SWT.Selection, event);
+	// widget could be disposed at this point
+	return null;
+}
+
+}