--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dwt/widgets/Spinner.d	Mon Jan 28 04:47:28 2008 +0100
@@ -0,0 +1,1366 @@
+/*******************************************************************************
+ * 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.Spinner;
+
+import dwt.widgets.Composite;
+class Spinner : Composite {
+}
+/++
+import dwt.DWT;
+import dwt.DWTException;
+import dwt.events.ModifyListener;
+import dwt.events.SelectionEvent;
+import dwt.events.SelectionListener;
+import dwt.events.VerifyListener;
+import dwt.graphics.Point;
+import dwt.graphics.Rectangle;
+import dwt.internal.win32.LRESULT;
+import dwt.internal.win32.NMHDR;
+import dwt.internal.win32.NMUPDOWN;
+import dwt.internal.win32.OS;
+import dwt.internal.win32.RECT;
+import dwt.internal.win32.TCHAR;
+import dwt.internal.win32.TEXTMETRIC;
+import dwt.internal.win32.TEXTMETRICA;
+import dwt.internal.win32.TEXTMETRICW;
+import dwt.internal.win32.UDACCEL;
+import dwt.internal.win32.WNDCLASS;
+
+/**
+ * Instances of this class are selectable user interface
+ * objects that allow the user to enter and modify numeric
+ * values.
+ * <p>
+ * Note that although this class is a subclass of <code>Composite</code>,
+ * it does not make sense to add children to it, or set a layout on it.
+ * </p><p>
+ * <dl>
+ * <dt><b>Styles:</b></dt>
+ * <dd>READ_ONLY, WRAP</dd>
+ * <dt><b>Events:</b></dt>
+ * <dd>Selection, Modify, Verify</dd>
+ * </dl>
+ * </p><p>
+ * IMPORTANT: This class is <em>not</em> intended to be subclassed.
+ * </p>
+ *
+ * @since 3.1
+ */
+public class Spinner extends Composite {
+    int hwndText, hwndUpDown;
+    bool ignoreModify;
+    int pageIncrement, digits;
+    static final int EditProc;
+    static final TCHAR EditClass = new TCHAR (0, "EDIT", true);
+    static final int UpDownProc;
+    static final TCHAR UpDownClass = new TCHAR (0, OS.UPDOWN_CLASS, true);
+    static {
+        WNDCLASS lpWndClass = new WNDCLASS ();
+        OS.GetClassInfo (0, EditClass, lpWndClass);
+        EditProc = lpWndClass.lpfnWndProc;
+        OS.GetClassInfo (0, UpDownClass, lpWndClass);
+        UpDownProc = 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>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#READ_ONLY
+ * @see DWT#WRAP
+ * @see Widget#checkSubclass
+ * @see Widget#getStyle
+ */
+public Spinner (Composite parent, int style) {
+    super (parent, checkStyle (style));
+}
+
+int callWindowProc (int hwnd, int msg, int wParam, int lParam) {
+    if (handle is 0) return 0;
+    if (hwnd is hwndText) {
+        return OS.CallWindowProc (EditProc, hwnd, msg, wParam, lParam);
+    }
+    if (hwnd is hwndUpDown) {
+        return OS.CallWindowProc (UpDownProc, hwnd, msg, wParam, lParam);
+    }
+    return OS.DefWindowProc (handle, msg, wParam, lParam);
+}
+
+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 DWT style.
+    */
+    return style & ~(DWT.H_SCROLL | DWT.V_SCROLL);
+}
+
+bool checkHandle (int hwnd) {
+    return hwnd is handle || hwnd is hwndText || hwnd is hwndUpDown;
+}
+
+protected void checkSubclass () {
+    if (!isValidSubclass ()) error (DWT.ERROR_INVALID_SUBCLASS);
+}
+
+void createHandle () {
+    super.createHandle ();
+    state &= ~(CANVAS | THEME_BACKGROUND);
+    int hInstance = OS.GetModuleHandle (null);
+    int textExStyle = (style & DWT.BORDER) !is 0 ? OS.WS_EX_CLIENTEDGE : 0;
+    int textStyle = OS.WS_CHILD | OS.WS_VISIBLE | OS.ES_AUTOHSCROLL | OS.WS_CLIPSIBLINGS;
+    if ((style & DWT.READ_ONLY) !is 0) textStyle |= OS.ES_READONLY;
+    if (OS.WIN32_VERSION >= OS.VERSION (4, 10)) {
+        if ((style & DWT.RIGHT_TO_LEFT) !is 0) textExStyle |= OS.WS_EX_LAYOUTRTL;
+    }
+    hwndText = OS.CreateWindowEx (
+        textExStyle,
+        EditClass,
+        null,
+        textStyle,
+        0, 0, 0, 0,
+        handle,
+        0,
+        hInstance,
+        null);
+    if (hwndText is 0) error (DWT.ERROR_NO_HANDLES);
+    OS.SetWindowLong (hwndText, OS.GWL_ID, hwndText);
+    int upDownStyle = OS.WS_CHILD | OS.WS_VISIBLE | OS.UDS_AUTOBUDDY;
+    if ((style & DWT.WRAP) !is 0) upDownStyle |= OS.UDS_WRAP;
+    if ((style & DWT.BORDER) !is 0) {
+        if ((style & DWT.RIGHT_TO_LEFT) !is 0) {
+            upDownStyle |= OS.UDS_ALIGNLEFT;
+        } else {
+            upDownStyle |= OS.UDS_ALIGNRIGHT;
+        }
+    }
+    hwndUpDown = OS.CreateWindowEx (
+        0,
+        UpDownClass,
+        null,
+        upDownStyle,
+        0, 0, 0, 0,
+        handle,
+        0,
+        hInstance,
+        null);
+    if (hwndUpDown is 0) error (DWT.ERROR_NO_HANDLES);
+    int flags = OS.SWP_NOSIZE | OS.SWP_NOMOVE | OS.SWP_NOACTIVATE;
+    SetWindowPos (hwndText, hwndUpDown, 0, 0, 0, 0, flags);
+    OS.SetWindowLong (hwndUpDown, OS.GWL_ID, hwndUpDown);
+    if (OS.IsDBLocale) {
+        int hIMC = OS.ImmGetContext (handle);
+        OS.ImmAssociateContext (hwndText, hIMC);
+        OS.ImmAssociateContext (hwndUpDown, hIMC);
+        OS.ImmReleaseContext (handle, hIMC);
+    }
+    OS.SendMessage (hwndUpDown, OS.UDM_SETRANGE32, 0, 100);
+    OS.SendMessage (hwndUpDown, OS.IsWinCE ? OS.UDM_SETPOS : OS.UDM_SETPOS32, 0, 0);
+    pageIncrement = 10;
+    digits = 0;
+    TCHAR buffer = new TCHAR (getCodePage (), "0", true);
+    OS.SetWindowText (hwndText, buffer);
+}
+
+/**
+ * Adds the listener to the collection of listeners who will
+ * be notified when the receiver's text is modified, by sending
+ * it one of the messages defined in the <code>ModifyListener</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 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 ModifyListener
+ * @see #removeModifyListener
+ */
+public void addModifyListener (ModifyListener listener) {
+    checkWidget ();
+    if (listener is null) error (DWT.ERROR_NULL_ARGUMENT);
+    TypedListener typedListener = new TypedListener (listener);
+    addListener (DWT.Modify, typedListener);
+}
+
+/**
+ * Adds the listener to the collection of listeners who will
+ * be notified when the control is selected by the user, by sending
+ * it one of the messages defined in the <code>SelectionListener</code>
+ * interface.
+ * <p>
+ * <code>widgetSelected</code> is not called for texts.
+ * <code>widgetDefaultSelected</code> is typically called when ENTER is pressed in a single-line text.
+ * </p>
+ *
+ * @param listener the listener which should be notified when the control is selected by the user
+ *
+ * @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);
+}
+
+/**
+ * Adds the listener to the collection of listeners who will
+ * be notified when the receiver's text is verified, by sending
+ * it one of the messages defined in the <code>VerifyListener</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 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 VerifyListener
+ * @see #removeVerifyListener
+ */
+void addVerifyListener (VerifyListener listener) {
+    checkWidget();
+    if (listener is null) error (DWT.ERROR_NULL_ARGUMENT);
+    TypedListener typedListener = new TypedListener (listener);
+    addListener (DWT.Verify, typedListener);
+}
+
+int borderHandle () {
+    return hwndText;
+}
+
+public Point computeSize (int wHint, int hHint, bool changed) {
+    checkWidget ();
+    int width = 0, height = 0;
+    if (wHint is DWT.DEFAULT || hHint is DWT.DEFAULT) {
+        int newFont, oldFont = 0;
+        int hDC = OS.GetDC (hwndText);
+        newFont = OS.SendMessage (hwndText, OS.WM_GETFONT, 0, 0);
+        if (newFont !is 0) oldFont = OS.SelectObject (hDC, newFont);
+        TEXTMETRIC tm = OS.IsUnicode ? (TEXTMETRIC) new TEXTMETRICW () : new TEXTMETRICA ();
+        OS.GetTextMetrics (hDC, tm);
+        height = tm.tmHeight;
+        RECT rect = new RECT ();
+        int [] max = new int [1];
+        OS.SendMessage (hwndUpDown , OS.UDM_GETRANGE32, null, max);
+        String string = String.valueOf (max [0]);
+        if (digits > 0) {
+            StringBuffer buffer = new StringBuffer ();
+            buffer.append (string);
+            buffer.append (getDecimalSeparator ());
+            int count = digits - string.length ();
+            while (count >= 0) {
+                buffer.append ("0");
+                count--;
+            }
+            string = buffer.toString ();
+        }
+        TCHAR buffer = new TCHAR (getCodePage (), string, false);
+        int flags = OS.DT_CALCRECT | OS.DT_EDITCONTROL | OS.DT_NOPREFIX;
+        OS.DrawText (hDC, buffer, buffer.length (), rect, flags);
+        width = rect.right - rect.left;
+        if (newFont !is 0) OS.SelectObject (hDC, oldFont);
+        OS.ReleaseDC (hwndText, hDC);
+    }
+    if (width is 0) width = DEFAULT_WIDTH;
+    if (height is 0) height = DEFAULT_HEIGHT;
+    if (wHint !is DWT.DEFAULT) width = wHint;
+    if (hHint !is DWT.DEFAULT) height = hHint;
+    Rectangle trim = computeTrim (0, 0, width, height);
+    if (hHint is DWT.DEFAULT) {
+        int upDownHeight = OS.GetSystemMetrics (OS.SM_CYVSCROLL) + 2 * getBorderWidth ();
+        if (!OS.IsWinCE && OS.WIN32_VERSION >= OS.VERSION (6, 0)) {
+            upDownHeight += (style & DWT.BORDER) !is 0 ? 1 : 3;
+        }
+        trim.height = Math.max (trim.height, upDownHeight);
+    }
+    return new Point (trim.width, trim.height);
+}
+
+public Rectangle computeTrim (int x, int y, int width, int height) {
+    checkWidget ();
+
+    /* Get the trim of the text control */
+    RECT rect = new RECT ();
+    OS.SetRect (rect, x, y, x + width, y + height);
+    int bits0 = OS.GetWindowLong (hwndText, OS.GWL_STYLE);
+    int bits1 = OS.GetWindowLong (hwndText, OS.GWL_EXSTYLE);
+    OS.AdjustWindowRectEx (rect, bits0, false, bits1);
+    width = rect.right - rect.left;
+    height = rect.bottom - rect.top;
+
+    /*
+    * The preferred height of a single-line text widget
+    * has been hand-crafted to be the same height as
+    * the single-line text widget in an editable combo
+    * box.
+    */
+    int margins = OS.SendMessage (hwndText, OS.EM_GETMARGINS, 0, 0);
+    x -= margins & 0xFFFF;
+    width += (margins & 0xFFFF) + ((margins >> 16) & 0xFFFF);
+    if ((style & DWT.BORDER) !is 0) {
+        x -= 1;
+        y -= 1;
+        width += 2;
+        height += 2;
+    }
+    width += OS.GetSystemMetrics (OS.SM_CXVSCROLL);
+    return new Rectangle (x, y, width, height);
+}
+
+/**
+ * Copies the selected text.
+ * <p>
+ * The current selection is copied to the clipboard.
+ * </p>
+ *
+ * @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 copy () {
+    checkWidget ();
+    OS.SendMessage (hwndText, OS.WM_COPY, 0, 0);
+}
+
+/**
+ * Cuts the selected text.
+ * <p>
+ * The current selection is first copied to the
+ * clipboard and then deleted from the widget.
+ * </p>
+ *
+ * @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 cut () {
+    checkWidget ();
+    if ((style & DWT.READ_ONLY) !is 0) return;
+    OS.SendMessage (hwndText, OS.WM_CUT, 0, 0);
+}
+
+int defaultBackground () {
+    return OS.GetSysColor (OS.COLOR_WINDOW);
+}
+
+void enableWidget (bool enabled) {
+    super.enableWidget (enabled);
+    OS.EnableWindow (hwndText, enabled);
+    OS.EnableWindow (hwndUpDown, enabled);
+}
+
+void deregister () {
+    super.deregister ();
+    display.removeControl (hwndText);
+    display.removeControl (hwndUpDown);
+}
+
+bool hasFocus () {
+    int hwndFocus = OS.GetFocus ();
+    if (hwndFocus is handle) return true;
+    if (hwndFocus is hwndText) return true;
+    if (hwndFocus is hwndUpDown) return true;
+    return false;
+}
+
+/**
+ * Returns the number of decimal places used by the receiver.
+ *
+ * @return the digits
+ *
+ * @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 getDigits () {
+    checkWidget ();
+    return digits;
+}
+
+String getDecimalSeparator () {
+    TCHAR tchar = new TCHAR (getCodePage (), 4);
+    int size = OS.GetLocaleInfo (OS.LOCALE_USER_DEFAULT, OS.LOCALE_SDECIMAL, tchar, 4);
+    return size !is 0 ? tchar.toString (0, size - 1) : ".";
+}
+
+/**
+ * Returns the amount that the receiver's value will be
+ * modified by when the up/down arrows are pressed.
+ *
+ * @return the increment
+ *
+ * @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 getIncrement () {
+    checkWidget ();
+    UDACCEL udaccel = new UDACCEL ();
+    OS.SendMessage (hwndUpDown, OS.UDM_GETACCEL, 1, udaccel);
+    return udaccel.nInc;
+}
+
+/**
+ * Returns the maximum value which the receiver will allow.
+ *
+ * @return the maximum
+ *
+ * @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 getMaximum () {
+    checkWidget ();
+    int [] max = new int [1];
+    OS.SendMessage (hwndUpDown , OS.UDM_GETRANGE32, null, max);
+    return max [0];
+}
+
+/**
+ * Returns the minimum value which the receiver will allow.
+ *
+ * @return the minimum
+ *
+ * @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 getMinimum () {
+    checkWidget ();
+    int [] min = new int [1];
+    OS.SendMessage (hwndUpDown , OS.UDM_GETRANGE32, min, null);
+    return min [0];
+}
+
+/**
+ * Returns the amount that the receiver's position will be
+ * modified by when the page up/down keys are pressed.
+ *
+ * @return the page increment
+ *
+ * @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 getPageIncrement () {
+    checkWidget ();
+    return pageIncrement;
+}
+
+/**
+ * Returns the <em>selection</em>, which is the receiver's position.
+ *
+ * @return 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 int getSelection () {
+    checkWidget ();
+    if (OS.IsWinCE) {
+        return OS.SendMessage (hwndUpDown, OS.UDM_GETPOS, 0, 0) & 0xFFFF;
+    } else {
+        return OS.SendMessage (hwndUpDown, OS.UDM_GETPOS32, 0, 0);
+    }
+}
+
+int getSelectionText () {
+    int length = OS.GetWindowTextLength (hwndText);
+    TCHAR buffer = new TCHAR (getCodePage (), length + 1);
+    OS.GetWindowText (hwndText, buffer, length + 1);
+    String string = buffer.toString (0, length);
+    try {
+        int value;
+        if (digits > 0) {
+            String decimalSeparator = getDecimalSeparator ();
+            int index = string.indexOf (decimalSeparator);
+            if (index !is -1)  {
+                String wholePart = string.substring (0, index);
+                String decimalPart = string.substring (index + 1);
+                if (decimalPart.length () > digits) {
+                    decimalPart = decimalPart.substring (0, digits);
+                } else {
+                    int i = digits - decimalPart.length ();
+                    for (int j = 0; j < i; j++) {
+                        decimalPart = decimalPart + "0";
+                    }
+                }
+                int wholeValue = Integer.parseInt (wholePart);
+                int decimalValue = Integer.parseInt (decimalPart);
+                for (int i = 0; i < digits; i++) wholeValue *= 10;
+                value = wholeValue + decimalValue;
+            } else {
+                value = Integer.parseInt (string);
+            }
+        } else {
+            value = Integer.parseInt (string);
+        }
+        int [] max = new int [1], min = new int [1];
+        OS.SendMessage (hwndUpDown , OS.UDM_GETRANGE32, min, max);
+        if (min [0] <= value && value <= max [0]) return value;
+    } catch (NumberFormatException e) {
+    }
+    return -1;
+}
+
+int mbcsToWcsPos (int mbcsPos) {
+    if (mbcsPos <= 0) return 0;
+    if (OS.IsUnicode) return mbcsPos;
+    int mbcsSize = OS.GetWindowTextLengthA (hwndText);
+    if (mbcsSize is 0) return 0;
+    if (mbcsPos >= mbcsSize) return mbcsSize;
+    byte [] buffer = new byte [mbcsSize + 1];
+    OS.GetWindowTextA (hwndText, buffer, mbcsSize + 1);
+    return OS.MultiByteToWideChar (getCodePage (), OS.MB_PRECOMPOSED, buffer, mbcsPos, null, 0);
+}
+
+/**
+ * Pastes text from clipboard.
+ * <p>
+ * The selected text is deleted from the widget
+ * and new text inserted from the clipboard.
+ * </p>
+ *
+ * @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 paste () {
+    checkWidget ();
+    if ((style & DWT.READ_ONLY) !is 0) return;
+    OS.SendMessage (hwndText, OS.WM_PASTE, 0, 0);
+}
+
+void register () {
+    super.register ();
+    display.addControl (hwndText, this);
+    display.addControl (hwndUpDown, this);
+}
+
+void releaseHandle () {
+    super.releaseHandle ();
+    hwndText = hwndUpDown = 0;
+}
+
+/**
+ * Removes the listener from the collection of listeners who will
+ * be notified when the receiver's text is modified.
+ *
+ * @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 ModifyListener
+ * @see #addModifyListener
+ */
+public void removeModifyListener (ModifyListener listener) {
+    checkWidget ();
+    if (listener is null) error (DWT.ERROR_NULL_ARGUMENT);
+    if (eventTable is null) return;
+    eventTable.unhook (DWT.Modify, listener);
+}
+
+/**
+ * Removes the listener from the collection of listeners who will
+ * be notified when the control is selected by the user.
+ *
+ * @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);
+}
+
+/**
+ * Removes the listener from the collection of listeners who will
+ * be notified when the control is verified.
+ *
+ * @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 VerifyListener
+ * @see #addVerifyListener
+ */
+void removeVerifyListener (VerifyListener listener) {
+    checkWidget ();
+    if (listener is null) error (DWT.ERROR_NULL_ARGUMENT);
+    if (eventTable is null) return;
+    eventTable.unhook (DWT.Verify, listener);
+}
+
+bool sendKeyEvent (int type, int msg, int wParam, int lParam, Event event) {
+    if (!super.sendKeyEvent (type, msg, wParam, lParam, event)) {
+        return false;
+    }
+    if ((style & DWT.READ_ONLY) !is 0) return true;
+    if (type !is DWT.KeyDown) return true;
+    if (msg !is OS.WM_CHAR && msg !is OS.WM_KEYDOWN && msg !is OS.WM_IME_CHAR) {
+        return true;
+    }
+    if (event.character is 0) return true;
+//  if (!hooks (DWT.Verify) && !filters (DWT.Verify)) return true;
+    char key = event.character;
+    int stateMask = event.stateMask;
+
+    /*
+    * Disable all magic keys that could modify the text
+    * and don't send events when Alt, Shift or Ctrl is
+    * pressed.
+    */
+    switch (msg) {
+        case OS.WM_CHAR:
+            if (key !is 0x08 && key !is 0x7F && key !is '\r' && key !is '\t' && key !is '\n') break;
+            // FALL THROUGH
+        case OS.WM_KEYDOWN:
+            if ((stateMask & (DWT.ALT | DWT.SHIFT | DWT.CONTROL)) !is 0) return false;
+            break;
+    }
+
+    /*
+    * If the left button is down, the text widget refuses the character.
+    */
+    if (OS.GetKeyState (OS.VK_LBUTTON) < 0) {
+        return true;
+    }
+
+    /* Verify the character */
+    String oldText = "";
+    int [] start = new int [1], end = new int [1];
+    OS.SendMessage (hwndText, OS.EM_GETSEL, start, end);
+    switch (key) {
+        case 0x08:  /* Bs */
+            if (start [0] is end [0]) {
+                if (start [0] is 0) return true;
+                start [0] = start [0] - 1;
+                if (!OS.IsUnicode && OS.IsDBLocale) {
+                    int [] newStart = new int [1], newEnd = new int [1];
+                    OS.SendMessage (hwndText, OS.EM_SETSEL, start [0], end [0]);
+                    OS.SendMessage (hwndText, OS.EM_GETSEL, newStart, newEnd);
+                    if (start [0] !is newStart [0]) start [0] = start [0] - 1;
+                }
+                start [0] = Math.max (start [0], 0);
+            }
+            break;
+        case 0x7F:  /* Del */
+            if (start [0] is end [0]) {
+                int length = OS.GetWindowTextLength (hwndText);
+                if (start [0] is length) return true;
+                end [0] = end [0] + 1;
+                if (!OS.IsUnicode && OS.IsDBLocale) {
+                    int [] newStart = new int [1], newEnd = new int [1];
+                    OS.SendMessage (hwndText, OS.EM_SETSEL, start [0], end [0]);
+                    OS.SendMessage (hwndText, OS.EM_GETSEL, newStart, newEnd);
+                    if (end [0] !is newEnd [0]) end [0] = end [0] + 1;
+                }
+                end [0] = Math.min (end [0], length);
+            }
+            break;
+        case '\r':  /* Return */
+            return true;
+        default:    /* Tab and other characters */
+            if (key !is '\t' && key < 0x20) return true;
+            oldText = new String (new char [] {key});
+            break;
+    }
+    String newText = verifyText (oldText, start [0], end [0], event);
+    if (newText is null) return false;
+    if (newText is oldText) return true;
+    TCHAR buffer = new TCHAR (getCodePage (), newText, true);
+    OS.SendMessage (hwndText, OS.EM_SETSEL, start [0], end [0]);
+    OS.SendMessage (hwndText, OS.EM_REPLACESEL, 0, buffer);
+    return false;
+}
+
+void setBackgroundImage (int hBitmap) {
+    super.setBackgroundImage (hBitmap);
+    OS.InvalidateRect (hwndText, null, true);
+}
+
+void setBackgroundPixel (int pixel) {
+    super.setBackgroundPixel (pixel);
+    OS.InvalidateRect (hwndText, null, true);
+}
+
+/**
+ * Sets the number of decimal places used by the receiver.
+ * <p>
+ * The digit setting is used to allow for floating point values in the receiver.
+ * For example, to set the selection to a floating point value of 1.37 call setDigits() with
+ * a value of 2 and setSelection() with a value of 137. Similarly, if getDigits() has a value
+ * of 2 and getSelection() returns 137 this should be interpreted as 1.37. This applies to all
+ * numeric APIs.
+ * </p>
+ *
+ * @param value the new digits (must be greater than or equal to zero)
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_INVALID_ARGUMENT - if the value is less than zero</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 setDigits (int value) {
+    checkWidget ();
+    if (value < 0) error (DWT.ERROR_INVALID_ARGUMENT);
+    if (value is this.digits) return;
+    this.digits = value;
+    int pos;
+    if (OS.IsWinCE) {
+        pos = OS.SendMessage (hwndUpDown, OS.UDM_GETPOS, 0, 0) & 0xFFFF;
+    } else {
+        pos = OS.SendMessage (hwndUpDown, OS.UDM_GETPOS32, 0, 0);
+    }
+    setSelection (pos, false, true, false);
+}
+
+void setForegroundPixel (int pixel) {
+    super.setForegroundPixel (pixel);
+    OS.InvalidateRect (hwndText, null, true);
+}
+
+/**
+ * Sets the amount that the receiver's value will be
+ * modified by when the up/down arrows are pressed to
+ * the argument, which must be at least one.
+ *
+ * @param value the new increment (must be greater than zero)
+ *
+ * @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 setIncrement (int value) {
+    checkWidget ();
+    if (value < 1) return;
+    int hHeap = OS.GetProcessHeap ();
+    int count = OS.SendMessage (hwndUpDown, OS.UDM_GETACCEL, 0, (UDACCEL)null);
+    int udaccels = OS.HeapAlloc (hHeap, OS.HEAP_ZERO_MEMORY, UDACCEL.sizeof * count);
+    OS.SendMessage (hwndUpDown, OS.UDM_GETACCEL, count, udaccels);
+    int first = -1;
+    UDACCEL udaccel = new UDACCEL ();
+    for (int i = 0; i < count; i++) {
+        int offset = udaccels + (i * UDACCEL.sizeof);
+        OS.MoveMemory (udaccel, offset, UDACCEL.sizeof);
+        if (first is -1) first = udaccel.nInc;
+        udaccel.nInc  =  udaccel.nInc * value / first;
+        OS.MoveMemory (offset, udaccel, UDACCEL.sizeof);
+    }
+    OS.SendMessage (hwndUpDown, OS.UDM_SETACCEL, count, udaccels);
+    OS.HeapFree (hHeap, 0, udaccels);
+}
+
+/**
+ * Sets the maximum value that the receiver will allow.  This new
+ * value will be ignored if it is not greater than the receiver's current
+ * minimum value.  If the new maximum is applied then the receiver's
+ * selection value will be adjusted if necessary to fall within its new range.
+ *
+ * @param value the new maximum, which must be greater than the current minimum
+ *
+ * @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 setMaximum (int value) {
+    checkWidget ();
+    if (value < 0) return;
+    int [] min = new int [1];
+    OS.SendMessage (hwndUpDown , OS.UDM_GETRANGE32, min, null);
+    if (value <= min [0]) return;
+    int pos;
+    if (OS.IsWinCE) {
+        pos = OS.SendMessage (hwndUpDown, OS.UDM_GETPOS, 0, 0) & 0xFFFF;
+    } else {
+        pos = OS.SendMessage (hwndUpDown, OS.UDM_GETPOS32, 0, 0);
+    }
+    OS.SendMessage (hwndUpDown , OS.UDM_SETRANGE32, min [0], value);
+    if (pos > value) setSelection (value, true, true, false);
+}
+
+/**
+ * Sets the minimum value that the receiver will allow.  This new
+ * value will be ignored if it is negative or is not less than the receiver's
+ * current maximum value.  If the new minimum is applied then the receiver's
+ * selection value will be adjusted if necessary to fall within its new range.
+ *
+ * @param value the new minimum, which must be nonnegative and less than the current maximum
+ *
+ * @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 setMinimum (int value) {
+    checkWidget ();
+    if (value < 0) return;
+    int [] max = new int [1];
+    OS.SendMessage (hwndUpDown , OS.UDM_GETRANGE32, null, max);
+    if (value >= max [0]) return;
+    int pos;
+    if (OS.IsWinCE) {
+        pos = OS.SendMessage (hwndUpDown, OS.UDM_GETPOS, 0, 0) & 0xFFFF;
+    } else {
+        pos = OS.SendMessage (hwndUpDown, OS.UDM_GETPOS32, 0, 0);
+    }
+    OS.SendMessage (hwndUpDown , OS.UDM_SETRANGE32, value, max [0]);
+    if (pos < value) setSelection (value, true, true, false);
+}
+
+/**
+ * Sets the amount that the receiver's position will be
+ * modified by when the page up/down keys are pressed
+ * to the argument, which must be at least one.
+ *
+ * @param value the page increment (must be greater than zero)
+ *
+ * @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 setPageIncrement (int value) {
+    checkWidget ();
+    if (value < 1) return;
+    pageIncrement = value;
+}
+
+/**
+ * Sets the <em>selection</em>, which is the receiver's
+ * position, to the argument. If the argument is not within
+ * the range specified by minimum and maximum, it will be
+ * adjusted to fall within this range.
+ *
+ * @param value the new selection (must be zero or greater)
+ *
+ * @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 value) {
+    checkWidget ();
+    int [] max = new int [1], min = new int [1];
+    OS.SendMessage (hwndUpDown , OS.UDM_GETRANGE32, min, max);
+    value = Math.min (Math.max (min [0], value), max [0]);
+    setSelection (value, true, true, false);
+}
+
+void setSelection (int value, bool setPos, bool setText, bool notify) {
+    if (setPos) {
+        OS.SendMessage (hwndUpDown , OS.IsWinCE ? OS.UDM_SETPOS : OS.UDM_SETPOS32, 0, value);
+    }
+    if (setText) {
+        String string = String.valueOf (value);
+        if (digits > 0) {
+            String decimalSeparator = getDecimalSeparator ();
+            int index = string.length () - digits;
+            StringBuffer buffer = new StringBuffer ();
+            if (index > 0) {
+                buffer.append (string.substring (0, index));
+                buffer.append (decimalSeparator);
+                buffer.append (string.substring (index));
+            } else {
+                buffer.append ("0");
+                buffer.append (decimalSeparator);
+                while (index++ < 0) buffer.append ("0");
+                buffer.append (string);
+            }
+            string = buffer.toString ();
+        }
+        if (hooks (DWT.Verify) || filters (DWT.Verify)) {
+            int length = OS.GetWindowTextLength (hwndText);
+            string = verifyText (string, 0, length, null);
+            if (string is null) return;
+        }
+        TCHAR buffer = new TCHAR (getCodePage (), string, true);
+        OS.SetWindowText (hwndText, buffer);
+    }
+    if (notify) postEvent (DWT.Selection);
+}
+
+void setToolTipText (Shell shell, String string) {
+    shell.setToolTipText (hwndText, string);
+    shell.setToolTipText (hwndUpDown, string);
+}
+
+/**
+ * Sets the receiver's selection, minimum value, maximum
+ * value, digits, increment and page increment all at once.
+ * <p>
+ * Note: This is similar to setting the values individually
+ * using the appropriate methods, but may be implemented in a
+ * more efficient fashion on some platforms.
+ * </p>
+ *
+ * @param selection the new selection value
+ * @param minimum the new minimum value
+ * @param maximum the new maximum value
+ * @param digits the new digits value
+ * @param increment the new increment value
+ * @param pageIncrement the new pageIncrement value
+ *
+ * @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 setValues (int selection, int minimum, int maximum, int digits, int increment, int pageIncrement) {
+    checkWidget ();
+    if (minimum < 0) return;
+    if (maximum <= minimum) return;
+    if (digits < 0) return;
+    if (increment < 1) return;
+    if (pageIncrement < 1) return;
+    selection = Math.min (Math.max (minimum, selection), maximum);
+    setIncrement (increment);
+    this.pageIncrement = pageIncrement;
+    this.digits = digits;
+    OS.SendMessage (hwndUpDown , OS.UDM_SETRANGE32, minimum, maximum);
+    setSelection (selection, true, true, false);
+}
+
+void subclass () {
+    super.subclass ();
+    int newProc = display.windowProc;
+    OS.SetWindowLong (hwndText, OS.GWL_WNDPROC, newProc);
+    OS.SetWindowLong (hwndUpDown, OS.GWL_WNDPROC, newProc);
+}
+
+void unsubclass () {
+    super.unsubclass ();
+    OS.SetWindowLong (hwndText, OS.GWL_WNDPROC, EditProc);
+    OS.SetWindowLong (hwndUpDown, OS.GWL_WNDPROC, UpDownProc);
+}
+
+String verifyText (String string, int start, int end, Event keyEvent) {
+    Event event = new Event ();
+    event.text = string;
+    event.start = start;
+    event.end = end;
+    if (keyEvent !is null) {
+        event.character = keyEvent.character;
+        event.keyCode = keyEvent.keyCode;
+        event.stateMask = keyEvent.stateMask;
+    }
+    int index = 0;
+    if (digits > 0) {
+        String decimalSeparator = getDecimalSeparator ();
+        index = string.indexOf (decimalSeparator);
+        if (index !is -1) {
+            string = string.substring (0, index) + string.substring (index + 1);
+        }
+        index = 0;
+    }
+    while (index < string.length ()) {
+        if (!Character.isDigit (string.charAt (index))) break;
+        index++;
+    }
+    event.doit = index is string.length ();
+    if (!OS.IsUnicode && OS.IsDBLocale) {
+        event.start = mbcsToWcsPos (start);
+        event.end = mbcsToWcsPos (end);
+    }
+    sendEvent (DWT.Verify, event);
+    if (!event.doit || isDisposed ()) return null;
+    return event.text;
+}
+
+int widgetExtStyle () {
+    return super.widgetExtStyle () & ~OS.WS_EX_CLIENTEDGE;
+}
+
+int windowProc (int hwnd, int msg, int wParam, int lParam) {
+    if (hwnd is hwndText || hwnd is hwndUpDown) {
+        LRESULT result = null;
+        switch (msg) {
+            /* Keyboard messages */
+            case OS.WM_CHAR:        result = wmChar (hwnd, wParam, lParam); break;
+            case OS.WM_IME_CHAR:    result = wmIMEChar (hwnd, wParam, lParam); break;
+            case OS.WM_KEYDOWN:     result = wmKeyDown (hwnd, wParam, lParam); break;
+            case OS.WM_KEYUP:       result = wmKeyUp (hwnd, wParam, lParam); break;
+            case OS.WM_SYSCHAR:     result = wmSysChar (hwnd, wParam, lParam); break;
+            case OS.WM_SYSKEYDOWN:  result = wmSysKeyDown (hwnd, wParam, lParam); break;
+            case OS.WM_SYSKEYUP:    result = wmSysKeyUp (hwnd, wParam, lParam); break;
+
+            /* Mouse Messages */
+            case OS.WM_CAPTURECHANGED:  result = wmCaptureChanged (hwnd, wParam, lParam); break;
+            case OS.WM_LBUTTONDBLCLK:   result = wmLButtonDblClk (hwnd, wParam, lParam); break;
+            case OS.WM_LBUTTONDOWN:     result = wmLButtonDown (hwnd, wParam, lParam); break;
+            case OS.WM_LBUTTONUP:       result = wmLButtonUp (hwnd, wParam, lParam); break;
+            case OS.WM_MBUTTONDBLCLK:   result = wmMButtonDblClk (hwnd, wParam, lParam); break;
+            case OS.WM_MBUTTONDOWN:     result = wmMButtonDown (hwnd, wParam, lParam); break;
+            case OS.WM_MBUTTONUP:       result = wmMButtonUp (hwnd, wParam, lParam); break;
+            case OS.WM_MOUSEHOVER:      result = wmMouseHover (hwnd, wParam, lParam); break;
+            case OS.WM_MOUSELEAVE:      result = wmMouseLeave (hwnd, wParam, lParam); break;
+            case OS.WM_MOUSEMOVE:       result = wmMouseMove (hwnd, wParam, lParam); break;
+//          case OS.WM_MOUSEWHEEL:      result = wmMouseWheel (hwnd, wParam, lParam); break;
+            case OS.WM_RBUTTONDBLCLK:   result = wmRButtonDblClk (hwnd, wParam, lParam); break;
+            case OS.WM_RBUTTONDOWN:     result = wmRButtonDown (hwnd, wParam, lParam); break;
+            case OS.WM_RBUTTONUP:       result = wmRButtonUp (hwnd, wParam, lParam); break;
+            case OS.WM_XBUTTONDBLCLK:   result = wmXButtonDblClk (hwnd, wParam, lParam); break;
+            case OS.WM_XBUTTONDOWN:     result = wmXButtonDown (hwnd, wParam, lParam); break;
+            case OS.WM_XBUTTONUP:       result = wmXButtonUp (hwnd, wParam, lParam); break;
+
+            /* Focus Messages */
+            case OS.WM_SETFOCUS:        result = wmSetFocus (hwnd, wParam, lParam); break;
+            case OS.WM_KILLFOCUS:       result = wmKillFocus (hwnd, wParam, lParam); break;
+
+            /* Paint messages */
+            case OS.WM_PAINT:           result = wmPaint (hwnd, wParam, lParam); break;
+            case OS.WM_PRINT:           result = wmPrint (hwnd, wParam, lParam); break;
+
+            /* Menu messages */
+            case OS.WM_CONTEXTMENU:     result = wmContextMenu (hwnd, wParam, lParam); break;
+
+            /* Clipboard messages */
+            case OS.WM_CLEAR:
+            case OS.WM_CUT:
+            case OS.WM_PASTE:
+            case OS.WM_UNDO:
+            case OS.EM_UNDO:
+                if (hwnd is hwndText) {
+                    result = wmClipboard (hwnd, msg, wParam, lParam);
+                }
+                break;
+        }
+        if (result !is null) return result.value;
+        return callWindowProc (hwnd, msg, wParam, lParam);
+    }
+    return super.windowProc (hwnd, msg, wParam, lParam);
+}
+
+LRESULT WM_ERASEBKGND (int wParam, int lParam) {
+    super.WM_ERASEBKGND (wParam, lParam);
+    drawBackground (wParam);
+    return LRESULT.ONE;
+}
+
+LRESULT WM_KILLFOCUS (int wParam, int lParam) {
+    return null;
+}
+
+LRESULT WM_SETFOCUS (int wParam, int lParam) {
+    OS.SetFocus (hwndText);
+    return null;
+}
+
+LRESULT WM_SETFONT (int wParam, int lParam) {
+    LRESULT result = super.WM_SETFONT (wParam, lParam);
+    if (result !is null) return result;
+    OS.SendMessage (hwndText, OS.WM_SETFONT, wParam, lParam);
+    return result;
+}
+
+LRESULT WM_SIZE (int wParam, int lParam) {
+    LRESULT result = super.WM_SIZE (wParam, lParam);
+    if (isDisposed ()) return result;
+    int width = lParam & 0xFFFF, height = lParam >> 16;
+    int upDownWidth = OS.GetSystemMetrics (OS.SM_CXVSCROLL);
+    int textWidth = width - upDownWidth;
+    int border = OS.GetSystemMetrics (OS.SM_CXEDGE);
+    int flags = OS.SWP_NOZORDER | OS.SWP_DRAWFRAME | OS.SWP_NOACTIVATE;
+    SetWindowPos (hwndText, 0, 0, 0, textWidth + border, height, flags);
+    SetWindowPos (hwndUpDown, 0, textWidth, 0, upDownWidth, height, flags);
+    return result;
+}
+
+LRESULT wmChar (int hwnd, int wParam, int lParam) {
+    LRESULT result = super.wmChar (hwnd, wParam, lParam);
+    if (result !is null) return result;
+    /*
+    * Feature in Windows.  For some reason, when the
+    * widget is a single line text widget, when the
+    * user presses tab, return or escape, Windows beeps.
+    * The fix is to look for these keys and not call
+    * the window proc.
+    */
+    switch (wParam) {
+        case DWT.CR:
+            postEvent (DWT.DefaultSelection);
+            // FALL THROUGH
+        case DWT.TAB:
+        case DWT.ESC: return LRESULT.ZERO;
+    }
+    return result;
+}
+
+LRESULT wmClipboard (int hwndText, int msg, int wParam, int lParam) {
+    if ((style & DWT.READ_ONLY) !is 0) return null;
+//  if (!hooks (DWT.Verify) && !filters (DWT.Verify)) return null;
+    bool call = false;
+    int [] start = new int [1], end = new int [1];
+    String newText = null;
+    switch (msg) {
+        case OS.WM_CLEAR:
+        case OS.WM_CUT:
+            OS.SendMessage (hwndText, OS.EM_GETSEL, start, end);
+            if (start [0] !is end [0]) {
+                newText = "";
+                call = true;
+            }
+            break;
+        case OS.WM_PASTE:
+            OS.SendMessage (hwndText, OS.EM_GETSEL, start, end);
+            newText = getClipboardText ();
+            break;
+        case OS.EM_UNDO:
+        case OS.WM_UNDO:
+            if (OS.SendMessage (hwndText, OS.EM_CANUNDO, 0, 0) !is 0) {
+                ignoreModify = true;
+                OS.SendMessage (hwndText, OS.EM_GETSEL, start, end);
+                OS.CallWindowProc (EditProc, hwndText, msg, wParam, lParam);
+                int length = OS.GetWindowTextLength (hwndText);
+                int [] newStart = new int [1], newEnd = new int [1];
+                OS.SendMessage (hwndText, OS.EM_GETSEL, newStart, newEnd);
+                if (length !is 0 && newStart [0] !is newEnd [0]) {
+                    TCHAR buffer = new TCHAR (getCodePage (), length + 1);
+                    OS.GetWindowText (hwndText, buffer, length + 1);
+                    newText = buffer.toString (newStart [0], newEnd [0] - newStart [0]);
+                } else {
+                    newText = "";
+                }
+                OS.CallWindowProc (EditProc, hwndText, msg, wParam, lParam);
+                ignoreModify = false;
+            }
+            break;
+    }
+    if (newText !is null) {
+        String oldText = newText;
+        newText = verifyText (newText, start [0], end [0], null);
+        if (newText is null) return LRESULT.ZERO;
+        if (!newText.equals (oldText)) {
+            if (call) {
+                OS.CallWindowProc (EditProc, hwndText, msg, wParam, lParam);
+            }
+            TCHAR buffer = new TCHAR (getCodePage (), newText, true);
+            if (msg is OS.WM_SETTEXT) {
+                int hHeap = OS.GetProcessHeap ();
+                int byteCount = buffer.length () * TCHAR.sizeof;
+                int pszText = OS.HeapAlloc (hHeap, OS.HEAP_ZERO_MEMORY, byteCount);
+                OS.MoveMemory (pszText, buffer, byteCount);
+                int code = OS.CallWindowProc (EditProc, hwndText, msg, wParam, pszText);
+                OS.HeapFree (hHeap, 0, pszText);
+                return new LRESULT (code);
+            } else {
+                OS.SendMessage (hwndText, OS.EM_REPLACESEL, 0, buffer);
+                return LRESULT.ZERO;
+            }
+        }
+    }
+    return null;
+}
+
+LRESULT wmCommandChild (int wParam, int lParam) {
+    int code = wParam >> 16;
+    switch (code) {
+        case OS.EN_CHANGE:
+            if (ignoreModify) break;
+            int value = getSelectionText ();
+            if (value !is -1) {
+                int pos;
+                if (OS.IsWinCE) {
+                    pos = OS.SendMessage (hwndUpDown, OS.UDM_GETPOS, 0, 0) & 0xFFFF;
+                } else {
+                    pos = OS.SendMessage (hwndUpDown, OS.UDM_GETPOS32, 0, 0);
+                }
+                if (pos !is value) setSelection (value, true, false, true);
+            }
+            sendEvent (DWT.Modify);
+            if (isDisposed ()) return LRESULT.ZERO;
+            break;
+    }
+    return super.wmCommandChild (wParam, lParam);
+}
+
+LRESULT wmKeyDown (int hwnd, int wParam, int lParam) {
+    LRESULT result = super.wmKeyDown (hwnd, wParam, lParam);
+    if (result !is null) return result;
+
+    /* Increment the value */
+    UDACCEL udaccel = new UDACCEL ();
+    OS.SendMessage (hwndUpDown, OS.UDM_GETACCEL, 1, udaccel);
+    int delta = 0;
+    switch (wParam) {
+        case OS.VK_UP: delta = udaccel.nInc; break;
+        case OS.VK_DOWN: delta = -udaccel.nInc; break;
+        case OS.VK_PRIOR: delta = pageIncrement; break;
+        case OS.VK_NEXT: delta = -pageIncrement; break;
+    }
+    if (delta !is 0) {
+        int value = getSelectionText ();
+        if (value !is -1) {
+            if (OS.IsWinCE) {
+                value = OS.SendMessage (hwndUpDown, OS.UDM_GETPOS, 0, 0) & 0xFFFF;
+            } else {
+                value = OS.SendMessage (hwndUpDown, OS.UDM_GETPOS32, 0, 0);
+            }
+        }
+        int newValue = value + delta;
+        int [] max = new int [1], min = new int [1];
+        OS.SendMessage (hwndUpDown , OS.UDM_GETRANGE32, min, max);
+        if ((style & DWT.WRAP) !is 0) {
+            if (newValue < min [0]) newValue = max [0];
+            if (newValue > max [0]) newValue = min [0];
+        }
+        newValue = Math.min (Math.max (min [0], newValue), max [0]);
+        if (value !is newValue) setSelection (newValue, true, true, true);
+    }
+
+    /*  Stop the edit control from moving the caret */
+    switch (wParam) {
+        case OS.VK_UP:
+        case OS.VK_DOWN:
+            return LRESULT.ZERO;
+    }
+    return result;
+}
+
+LRESULT wmKillFocus (int hwnd, int wParam, int lParam) {
+    int value = getSelectionText ();
+    if (value is -1) {
+        if (OS.IsWinCE) {
+            value = OS.SendMessage (hwndUpDown, OS.UDM_GETPOS, 0, 0) & 0xFFFF;
+        } else {
+            value = OS.SendMessage (hwndUpDown, OS.UDM_GETPOS32, 0, 0);
+        }
+        setSelection (value, false, true, false);
+    }
+    return super.wmKillFocus (hwnd, wParam, lParam);
+}
+
+LRESULT wmNotifyChild (NMHDR hdr, int wParam, int lParam) {
+    switch (hdr.code) {
+        case OS.UDN_DELTAPOS:
+            NMUPDOWN lpnmud = new NMUPDOWN ();
+            OS.MoveMemory (lpnmud, lParam, NMUPDOWN.sizeof);
+            int value = lpnmud.iPos + lpnmud.iDelta;
+            int [] max = new int [1], min = new int [1];
+            OS.SendMessage (hwndUpDown , OS.UDM_GETRANGE32, min, max);
+            if ((style & DWT.WRAP) !is 0) {
+                if (value < min [0]) value = max [0];
+                if (value > max [0]) value = min [0];
+            }
+            /*
+            * The DWT.Modify event is sent after the widget has been
+            * updated with the new state.  Rather than allowing
+            * the default updown window proc to set the value
+            * when the user clicks on the updown control, set
+            * the value explicitly and stop the window proc
+            * from running.
+            */
+            value = Math.min (Math.max (min [0], value), max [0]);
+            if (value !is lpnmud.iPos) {
+                setSelection (value, true, true, true);
+            }
+            return LRESULT.ONE;
+    }
+    return super.wmNotifyChild (hdr, wParam, lParam);
+}
+
+LRESULT wmScrollChild (int wParam, int lParam) {
+    int code = wParam & 0xFFFF;
+    switch (code) {
+        case OS.SB_THUMBPOSITION:
+            postEvent (DWT.Selection);
+            break;
+    }
+    return super.wmScrollChild (wParam, lParam);
+}
+
+}
+++/