### Eclipse Workspace Patch 1.0
#P org.eclipse.swt
diff --git Eclipse SWT/win32/org/eclipse/swt/widgets/Scrollable.java Eclipse SWT/win32/org/eclipse/swt/widgets/Scrollable.java
index 8490144..c9bc421 100644
--- Eclipse SWT/win32/org/eclipse/swt/widgets/Scrollable.java
+++ Eclipse SWT/win32/org/eclipse/swt/widgets/Scrollable.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2000, 2012 IBM Corporation and others.
+ * Copyright (c) 2000, 2014 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
@@ -11,9 +11,9 @@
 package org.eclipse.swt.widgets;
 
 
-import org.eclipse.swt.internal.win32.*;
 import org.eclipse.swt.*;
 import org.eclipse.swt.graphics.*;
+import org.eclipse.swt.internal.win32.*;
 
 /**
  * This class is the abstract superclass of all classes which
@@ -291,6 +291,7 @@
 }
 
 LRESULT WM_HSCROLL (long /*int*/ wParam, long /*int*/ lParam) {
+	System.out.println("Scrollable.WM_HSCROLL()");
 	LRESULT result = super.WM_HSCROLL (wParam, lParam);
 	if (result != null) return result;
 	
@@ -308,7 +309,14 @@
 }
 
 LRESULT WM_MOUSEWHEEL (long /*int*/ wParam, long /*int*/ lParam) {
+	System.out.println("Scrollable.WM_MOUSEWHEEL()");
 	return wmScrollWheel ((state & CANVAS) != 0, wParam, lParam);
+}
+
+LRESULT WM_MOUSEHWHEEL (long /*int*/ wParam, long /*int*/ lParam) {
+	System.out.println("Scrollable.WM_MOUSEHWHEEL()");
+//	return super.WM_MOUSEHWHEEL(wParam, lParam);
+	return wmScrollHWheel ((state & CANVAS) != 0, wParam, lParam);
 }
 
 LRESULT WM_SIZE (long /*int*/ wParam, long /*int*/ lParam) {
@@ -320,6 +328,7 @@
 }
 
 LRESULT WM_VSCROLL (long /*int*/ wParam, long /*int*/ lParam) {
+	System.out.println("Scrollable.WM_VSCROLL()");
 	LRESULT result = super.WM_VSCROLL (wParam, lParam);
 	if (result != null) return result;
 	/*
@@ -476,6 +485,75 @@
 	return new LRESULT (code);
 }
 
+LRESULT wmScrollHWheel (boolean update, long /*int*/ wParam, long /*int*/ lParam) {
+	int scrollRemainder = display.scrollHRemainder;
+	LRESULT result = super.WM_MOUSEHWHEEL (wParam, lParam);
+	if (result != null) return result;
+	/*
+	* Translate WM_MOUSEHWHEEL to WM_HSCROLL.
+	*/
+	if (update) {
+		if ((wParam & (OS.MK_SHIFT | OS.MK_CONTROL)) != 0) return result;
+		boolean horizontal = horizontalBar != null && horizontalBar.getEnabled ();
+		int msg = horizontal ? OS.WM_HSCROLL : 0;
+		if (msg == 0) return result;
+		int [] charsToScroll = new int [1];
+		// TODO: http://msdn.microsoft.com/en-us/library/ms997498.aspx : SPI_GETWHEELSCROLLCHARS may not be defined!
+		int SPI_GETWHEELSCROLLCHARS = 0x006C;
+		OS.SystemParametersInfo (SPI_GETWHEELSCROLLCHARS, 0, charsToScroll, 0);
+		int delta = OS.GET_WHEEL_DELTA_WPARAM (wParam);
+		boolean pageScroll = charsToScroll [0] == OS.WHEEL_PAGESCROLL;
+		if (!OS.IsWinCE && OS.WIN32_VERSION >= OS.VERSION (5, 1)) {
+			ScrollBar bar = horizontalBar;
+			SCROLLINFO info = new SCROLLINFO ();
+			info.cbSize = SCROLLINFO.sizeof;
+			info.fMask = OS.SIF_POS;
+			OS.GetScrollInfo (handle, bar.scrollBarType (), info);
+			int increment = pageScroll ? bar.getPageIncrement () : bar.getIncrement ();
+			info.nPos +=  increment * delta / OS.WHEEL_DELTA;
+			OS.SetScrollInfo (handle, bar.scrollBarType (), info, true);
+			OS.SendMessage (handle, msg, OS.SB_THUMBPOSITION, 0);
+		} else {
+			int code = 0;
+	  		if (pageScroll) {
+	   			code = delta < 0 ? OS.SB_PAGEDOWN : OS.SB_PAGEUP;
+	  		} else {
+	  			code = delta < 0 ? OS.SB_LINEDOWN : OS.SB_LINEUP;
+	  		}
+	  		/* Check if the delta and the remainder have the same direction (sign) */
+	  		if ((delta ^ scrollRemainder) >= 0) delta += scrollRemainder;
+			int count = Math.abs (delta) / OS.WHEEL_DELTA;
+			for (int i=0; i<count; i++) {
+				OS.SendMessage (handle, msg, code, 0);
+			}
+		}
+		return LRESULT.ZERO;
+	}
+		
+	/*
+	* When the native widget scrolls inside WM_MOUSEWHEEL, it
+	* may or may not send a WM_VSCROLL or WM_HSCROLL to do the
+	* actual scrolling.  This depends on the implementation of
+	* each native widget.  In order to ensure that application
+	* code is notified when the scroll bar moves, compare the
+	* scroll bar position before and after the WM_MOUSEWHEEL.
+	* If the native control sends a WM_VSCROLL or WM_HSCROLL,
+	* then the application has already been notified.  If not
+	* explicitly send the event.
+	*/
+	int hPosition = horizontalBar == null ? 0 : horizontalBar.getSelection ();
+	long /*int*/ code = callWindowProc (handle, OS.WM_MOUSEHWHEEL, wParam, lParam);
+	if (horizontalBar != null) {
+		int position = horizontalBar.getSelection ();
+		if (position != hPosition) {
+			Event event = new Event ();
+			event.detail = position < hPosition ? SWT.PAGE_UP : SWT.PAGE_DOWN; 
+			horizontalBar.sendSelectionEvent (SWT.Selection, event, true);
+		}
+	}
+	return new LRESULT (code);
+}
+
 LRESULT wmScroll (ScrollBar bar, boolean update, long /*int*/ hwnd, int msg, long /*int*/ wParam, long /*int*/ lParam) {
 	LRESULT result = null;
 	if (update) {