restore HEAD after accidental deletion by error in automated build script

1 files changed, 686 insertions, 0 deletions

diff --git a/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Label.java b/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Label.java
new file mode 100755
index 0000000000..5d23c9515a
--- /dev/null
+++ b/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Label.java
@@ -0,0 +1,686 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2009 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.swt.widgets;
+
+
+import org.eclipse.swt.internal.win32.*;
+import org.eclipse.swt.*;
+import org.eclipse.swt.graphics.*;
+
+/**
+ * Instances of this class represent a non-selectable
+ * user interface object that displays a string or image.
+ * When SEPARATOR is specified, displays a single
+ * vertical or horizontal line.
+ * <p>
+ * Shadow styles are hints and may not be honored
+ * by the platform.  To create a separator label
+ * with the default shadow style for the platform,
+ * do not specify a shadow style.
+ * </p>
+ * <dl>
+ * <dt><b>Styles:</b></dt>
+ * <dd>SEPARATOR, HORIZONTAL, VERTICAL</dd>
+ * <dd>SHADOW_IN, SHADOW_OUT, SHADOW_NONE</dd>
+ * <dd>CENTER, LEFT, RIGHT, WRAP</dd>
+ * <dt><b>Events:</b></dt>
+ * <dd>(none)</dd>
+ * </dl>
+ * <p>
+ * Note: Only one of SHADOW_IN, SHADOW_OUT and SHADOW_NONE may be specified.
+ * SHADOW_NONE is a HINT. Only one of HORIZONTAL and VERTICAL may be specified.
+ * Only one of CENTER, LEFT and RIGHT may be specified.
+ * </p><p>
+ * IMPORTANT: This class is intended to be subclassed <em>only</em>
+ * within the SWT implementation.
+ * </p>
+ *
+ * @see <a href="http://www.eclipse.org/swt/snippets/#label">Label snippets</a>
+ * @see <a href="http://www.eclipse.org/swt/examples.php">SWT Example: ControlExample</a>
+ * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
+ * @noextend This class is not intended to be subclassed by clients.
+ */
+public class Label extends Control {
+	String text = "";
+	Image image;
+	static final int MARGIN = 4;
+	static /*final*/ boolean IMAGE_AND_TEXT = false;
+	static final int /*long*/ LabelProc;
+	static final TCHAR LabelClass = new TCHAR (0, "STATIC", true);
+	static {
+		WNDCLASS lpWndClass = new WNDCLASS ();
+		OS.GetClassInfo (0, LabelClass, lpWndClass);
+		LabelProc = 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#SEPARATOR
+ * @see SWT#HORIZONTAL
+ * @see SWT#VERTICAL
+ * @see SWT#SHADOW_IN
+ * @see SWT#SHADOW_OUT
+ * @see SWT#SHADOW_NONE
+ * @see SWT#CENTER
+ * @see SWT#LEFT
+ * @see SWT#RIGHT
+ * @see SWT#WRAP
+ * @see Widget#checkSubclass
+ * @see Widget#getStyle
+ */
+public Label (Composite parent, int style) {
+	super (parent, checkStyle (style));
+}
+
+int /*long*/ callWindowProc (int /*long*/ hwnd, int msg, int /*long*/ wParam, int /*long*/ lParam) {
+	if (handle == 0) return 0;
+	return OS.CallWindowProc (LabelProc, hwnd, msg, wParam, lParam);
+}
+
+static int checkStyle (int style) {
+	style |= SWT.NO_FOCUS;
+	if ((style & SWT.SEPARATOR) != 0) {
+		style = checkBits (style, SWT.VERTICAL, SWT.HORIZONTAL, 0, 0, 0, 0);
+		return checkBits (style, SWT.SHADOW_OUT, SWT.SHADOW_IN, SWT.SHADOW_NONE, 0, 0, 0);
+	} 
+	return checkBits (style, SWT.LEFT, SWT.CENTER, SWT.RIGHT, 0, 0, 0);
+}
+
+public Point computeSize (int wHint, int hHint, boolean changed) {
+	checkWidget ();
+	int width = 0, height = 0, border = getBorderWidth ();
+	if ((style & SWT.SEPARATOR) != 0) {
+		int lineWidth = OS.GetSystemMetrics (OS.SM_CXBORDER);
+		if ((style & SWT.HORIZONTAL) != 0) {
+			width = DEFAULT_WIDTH;  height = lineWidth * 2;
+		} else {
+			width = lineWidth * 2; height = DEFAULT_HEIGHT;
+		}
+		if (wHint != SWT.DEFAULT) width = wHint;
+		if (hHint != SWT.DEFAULT) height = hHint;
+		width += border * 2; height += border * 2;
+		return new Point (width, height);
+	}
+	int bits = OS.GetWindowLong (handle, OS.GWL_STYLE);
+	boolean drawText = true;
+	boolean drawImage = (bits & OS.SS_OWNERDRAW) == OS.SS_OWNERDRAW;
+	if (drawImage) {
+		if (image != null) {
+			Rectangle rect = image.getBounds();
+			width += rect.width;
+			height += rect.height;
+			if (IMAGE_AND_TEXT) {
+				if (text.length () != 0) width += MARGIN;
+			} else {
+				drawText = false;
+			}
+		}
+	}
+	if (drawText) {
+		int /*long*/ hDC = OS.GetDC (handle);
+		int /*long*/ newFont = OS.SendMessage (handle, OS.WM_GETFONT, 0, 0);
+		int /*long*/ oldFont = OS.SelectObject (hDC, newFont);
+		int length = OS.GetWindowTextLength (handle);
+		if (length == 0) {
+			TEXTMETRIC tm = OS.IsUnicode ? (TEXTMETRIC) new TEXTMETRICW () : new TEXTMETRICA ();
+			OS.GetTextMetrics (hDC, tm);
+			height = Math.max (height, tm.tmHeight);
+		} else {
+			RECT rect = new RECT ();
+			int flags = OS.DT_CALCRECT | OS.DT_EDITCONTROL | OS.DT_EXPANDTABS;
+			if ((style & SWT.WRAP) != 0 && wHint != SWT.DEFAULT) {
+				flags |= OS.DT_WORDBREAK;
+				rect.right = Math.max (0, wHint - width);
+			}
+			TCHAR buffer = new TCHAR (getCodePage (), length + 1);
+			OS.GetWindowText (handle, buffer, length + 1);
+			OS.DrawText (hDC, buffer, length, rect, flags);
+			width += rect.right - rect.left;
+			height = Math.max (height, rect.bottom - rect.top);
+		}
+		if (newFont != 0) OS.SelectObject (hDC, oldFont);
+		OS.ReleaseDC (handle, hDC);
+	}
+	if (wHint != SWT.DEFAULT) width = wHint;
+	if (hHint != SWT.DEFAULT) height = hHint;
+	width += border * 2;
+	height += border * 2;
+	/* 
+	* Feature in WinCE PPC.  Text labels have a trim
+	* of one pixel wide on the right and left side.
+	* The fix is to increase the width to include
+	* this trim.
+	*/
+	if (OS.IsWinCE && !drawImage) width += 2;
+	return new Point (width, height);
+}
+
+void createHandle () {
+	super.createHandle ();
+	state |= THEME_BACKGROUND;
+}
+
+/**
+ * Returns a value which describes the position of the
+ * text or image in the receiver. The value will be one of
+ * <code>LEFT</code>, <code>RIGHT</code> or <code>CENTER</code>
+ * unless the receiver is a <code>SEPARATOR</code> label, in 
+ * which case, <code>NONE</code> is returned.
+ *
+ * @return the alignment 
+ *
+ * @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 getAlignment () {
+	checkWidget ();
+	if ((style & SWT.SEPARATOR) != 0) return 0;
+	if ((style & SWT.LEFT) != 0) return SWT.LEFT;
+	if ((style & SWT.CENTER) != 0) return SWT.CENTER;
+	if ((style & SWT.RIGHT) != 0) return SWT.RIGHT;
+	return SWT.LEFT;
+}
+
+/**
+ * Returns the receiver's image if it has one, or null
+ * if it does not.
+ *
+ * @return the receiver's image
+ *
+ * @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 Image getImage () {
+	checkWidget ();
+	return image;
+}
+
+String getNameText () {
+	return getText ();
+}
+
+/**
+ * Returns the receiver's text, which will be an empty
+ * string if it has never been set or if the receiver is
+ * a <code>SEPARATOR</code> label.
+ *
+ * @return the receiver's text
+ *
+ * @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 String getText () {
+	checkWidget ();
+	if ((style & SWT.SEPARATOR) != 0) return "";
+	return text;
+}
+
+boolean mnemonicHit (char key) {
+	Composite control = this.parent;
+	while (control != null) {
+		Control [] children = control._getChildren ();
+		int index = 0;
+		while (index < children.length) {
+			if (children [index] == this) break;
+			index++;
+		}
+		index++;
+		if (index < children.length) {
+			if (children [index].setFocus ()) return true;
+		}
+		control = control.parent;
+	}
+	return false;
+}
+
+boolean mnemonicMatch (char key) {
+	char mnemonic = findMnemonic (getText ());
+	if (mnemonic == '\0') return false;
+	return Character.toUpperCase (key) == Character.toUpperCase (mnemonic);
+}
+
+void releaseWidget () {
+	super.releaseWidget ();
+	text = null;
+	image = null;
+}
+
+/**
+ * Controls how text and images will be displayed in the receiver.
+ * The argument should be one of <code>LEFT</code>, <code>RIGHT</code>
+ * or <code>CENTER</code>.  If the receiver is a <code>SEPARATOR</code>
+ * label, the argument is ignored and the alignment is not changed.
+ *
+ * @param alignment the new alignment 
+ *
+ * @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 setAlignment (int alignment) {
+	checkWidget ();
+	if ((style & SWT.SEPARATOR) != 0) return;
+	if ((alignment & (SWT.LEFT | SWT.RIGHT | SWT.CENTER)) == 0) return;
+	style &= ~(SWT.LEFT | SWT.RIGHT | SWT.CENTER);
+	style |= alignment & (SWT.LEFT | SWT.RIGHT | SWT.CENTER);
+	int bits = OS.GetWindowLong (handle, OS.GWL_STYLE);
+	if ((bits & OS.SS_OWNERDRAW) != OS.SS_OWNERDRAW) {
+		bits &= ~(OS.SS_LEFTNOWORDWRAP | OS.SS_CENTER | OS.SS_RIGHT);
+		if ((style & SWT.LEFT) != 0) {
+			if ((style & SWT.WRAP) != 0) {
+				bits |= OS.SS_LEFT;
+			} else {
+				bits |= OS.SS_LEFTNOWORDWRAP;
+			}
+		}
+		if ((style & SWT.CENTER) != 0) bits |= OS.SS_CENTER;
+		if ((style & SWT.RIGHT) != 0) bits |= OS.SS_RIGHT;
+		OS.SetWindowLong (handle, OS.GWL_STYLE, bits);
+	}
+	OS.InvalidateRect (handle, null, true);
+}
+
+/**
+ * Sets the receiver's image to the argument, which may be
+ * null indicating that no image should be displayed.
+ *
+ * @param image the image to display on the receiver (may be null)
+ *
+ * @exception IllegalArgumentException <ul>
+ *    <li>ERROR_INVALID_ARGUMENT - if the image has been disposed</li> 
+ * </ul>
+ * @exception SWTException <ul>
+ *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
+ *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
+ * </ul>
+ */
+public void setImage (Image image) {
+	checkWidget ();
+	if ((style & SWT.SEPARATOR) != 0) return;
+	if (image != null && image.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT);
+	this.image = image;
+	int bits = OS.GetWindowLong (handle, OS.GWL_STYLE);
+	if ((bits & OS.SS_OWNERDRAW) != OS.SS_OWNERDRAW) {
+		bits &= ~(OS.SS_LEFTNOWORDWRAP | OS.SS_CENTER | OS.SS_RIGHT);
+		bits |= OS.SS_OWNERDRAW;
+		OS.SetWindowLong (handle, OS.GWL_STYLE, bits);
+	}
+	OS.InvalidateRect (handle, null, true);
+}
+
+/**
+ * Sets the receiver's text.
+ * <p>
+ * This method sets the widget label.  The label may include
+ * the mnemonic character and line delimiters.
+ * </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, focus is assigned
+ * to the control that follows the label. 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 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 setText (String string) {
+	checkWidget ();
+	if (string == null) error (SWT.ERROR_NULL_ARGUMENT);
+	if ((style & SWT.SEPARATOR) != 0) return;
+	/*
+	* Feature in Windows.  For some reason, SetWindowText() for
+	* static controls redraws the control, even when the text has
+	* has not changed.  The fix is to check for this case and do
+	* nothing.
+	*/
+	if (string.equals (text)) return;
+	text = string;
+	if (image == null || !IMAGE_AND_TEXT) {
+		int oldBits = OS.GetWindowLong (handle, OS.GWL_STYLE), newBits = oldBits;
+		newBits &= ~OS.SS_OWNERDRAW;
+		if ((style & SWT.LEFT) != 0) {
+			if ((style & SWT.WRAP) != 0) {
+				newBits |= OS.SS_LEFT;
+			} else {
+				newBits |= OS.SS_LEFTNOWORDWRAP;
+			}
+		}
+		if ((style & SWT.CENTER) != 0) newBits |= OS.SS_CENTER;
+		if ((style & SWT.RIGHT) != 0) newBits |= OS.SS_RIGHT;
+		if (oldBits != newBits) OS.SetWindowLong (handle, OS.GWL_STYLE, newBits);
+	}
+	string = Display.withCrLf (string);
+	TCHAR buffer = new TCHAR (getCodePage (), string, true);
+	OS.SetWindowText (handle, buffer);
+	/*
+	* Bug in Windows.  For some reason, the HBRUSH that
+	* is returned from WM_CTRLCOLOR is misaligned when
+	* the label uses it to draw.  If the brush is a solid
+	* color, this does not matter.  However, if the brush
+	* contains an image, the image is misaligned.  The
+	* fix is to draw the background in WM_ERASEBKGND.
+	*/
+	if (OS.COMCTL32_MAJOR < 6) {
+		if (findImageControl () != null) OS.InvalidateRect (handle, null, true);
+	}
+}
+
+int widgetExtStyle () {
+	int bits = super.widgetExtStyle () & ~OS.WS_EX_CLIENTEDGE;
+	if ((style & SWT.BORDER) != 0) return bits | OS.WS_EX_STATICEDGE;
+	return bits;
+}
+
+int widgetStyle () {
+	int bits = super.widgetStyle () | OS.SS_NOTIFY;
+	if ((style & SWT.SEPARATOR) != 0) return bits | OS.SS_OWNERDRAW;
+	if (OS.WIN32_VERSION >= OS.VERSION (5, 0)) {
+		if ((style & SWT.WRAP) != 0) bits |= OS.SS_EDITCONTROL;
+	} 
+	if ((style & SWT.CENTER) != 0) return bits | OS.SS_CENTER;
+	if ((style & SWT.RIGHT) != 0) return bits | OS.SS_RIGHT;
+	if ((style & SWT.WRAP) != 0) return bits | OS.SS_LEFT;
+	return bits | OS.SS_LEFTNOWORDWRAP;
+}
+
+TCHAR windowClass () {
+	return LabelClass;
+}
+
+int /*long*/ windowProc () {
+	return LabelProc;
+}
+
+LRESULT WM_ERASEBKGND (int /*long*/ wParam, int /*long*/ lParam) {
+	LRESULT result = super.WM_ERASEBKGND (wParam, lParam);
+	if (result != null) return result;
+	int bits = OS.GetWindowLong (handle, OS.GWL_STYLE);
+	if ((bits & OS.SS_OWNERDRAW) == OS.SS_OWNERDRAW) {
+		return LRESULT.ONE;
+	}
+	/*
+	* Bug in Windows.  For some reason, the HBRUSH that
+	* is returned from WM_CTRLCOLOR is misaligned when
+	* the label uses it to draw.  If the brush is a solid
+	* color, this does not matter.  However, if the brush
+	* contains an image, the image is misaligned.  The
+	* fix is to draw the background in WM_ERASEBKGND.
+	*/
+	if (OS.COMCTL32_MAJOR < 6) {
+		if (findImageControl () != null) {
+			drawBackground (wParam);
+			return LRESULT.ONE;
+		}
+	}
+	return result;
+}
+
+LRESULT WM_SIZE (int /*long*/ wParam, int /*long*/ lParam) {
+	LRESULT result = super.WM_SIZE (wParam, lParam);
+	if (isDisposed ()) return result;
+	if ((style & SWT.SEPARATOR) != 0) {
+		OS.InvalidateRect (handle, null, true);
+		return result;
+	}
+	int bits = OS.GetWindowLong (handle, OS.GWL_STYLE);
+	if ((bits & OS.SS_OWNERDRAW) == OS.SS_OWNERDRAW) {
+		OS.InvalidateRect (handle, null, true);
+		return result;
+	}
+	/*
+	* Bug in Windows.  For some reason, a label with
+	* style SS_LEFT, SS_CENTER or SS_RIGHT does not
+	* redraw the text in the new position when resized.
+	* Note that SS_LEFTNOWORDWRAP does not have the
+	* problem.  The fix is to force the redraw.
+	*/
+	if ((bits & OS.SS_LEFTNOWORDWRAP) != OS.SS_LEFTNOWORDWRAP) {
+		OS.InvalidateRect (handle, null, true);
+		return result;
+	}
+	return result;
+}
+
+LRESULT WM_UPDATEUISTATE (int /*long*/ wParam, int /*long*/ lParam) {
+	LRESULT result = super.WM_UPDATEUISTATE (wParam, lParam);
+	if (result != null) return result;
+	/*
+	* Feature in Windows.  When WM_UPDATEUISTATE is sent to
+	* a static control, it sends WM_CTLCOLORSTATIC to get the
+	* foreground and background.  If any drawing happens in
+	* WM_CTLCOLORSTATIC, it overwrites the contents of the control.
+	* The fix is draw the static without drawing the background
+	* and avoid the static window proc.
+	*/
+	boolean redraw = findImageControl () != null;
+	if (!redraw) {
+		if ((state & THEME_BACKGROUND) != 0) {
+			if (OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed ()) {
+				redraw = findThemeControl () != null;
+			}
+		}
+	}
+	if (redraw) {
+		OS.InvalidateRect (handle, null, false);
+		int /*long*/ code = OS.DefWindowProc (handle, OS.WM_UPDATEUISTATE, wParam, lParam);
+		return new LRESULT (code);
+	}
+	return result;
+}
+
+LRESULT wmColorChild (int /*long*/ wParam, int /*long*/ lParam) {
+	/*
+	* Bug in Windows.  For some reason, the HBRUSH that
+	* is returned from WM_CTRLCOLOR is misaligned when
+	* the label uses it to draw.  If the brush is a solid
+	* color, this does not matter.  However, if the brush
+	* contains an image, the image is misaligned.  The
+	* fix is to draw the background in WM_ERASEBKGND.
+	*/
+	LRESULT result = super.wmColorChild (wParam, lParam);
+	if (OS.COMCTL32_MAJOR < 6) {
+		int bits = OS.GetWindowLong (handle, OS.GWL_STYLE);
+		if ((bits & OS.SS_OWNERDRAW) != OS.SS_OWNERDRAW) {
+			if (findImageControl () != null) {
+				OS.SetBkMode (wParam, OS.TRANSPARENT);
+				return new LRESULT (OS.GetStockObject (OS.NULL_BRUSH));
+			}
+		}
+	}
+	return result;
+}
+
+LRESULT WM_PAINT (int /*long*/ wParam, int /*long*/ lParam) {
+	if (OS.IsWinCE) {
+		boolean drawImage = image != null;
+		boolean drawSeparator = (style & SWT.SEPARATOR) != 0 && (style & SWT.SHADOW_NONE) == 0;
+		if (drawImage || drawSeparator) {
+			LRESULT result = null;
+			PAINTSTRUCT ps = new PAINTSTRUCT ();
+			GCData data = new GCData ();
+			data.ps = ps;
+			data.hwnd = handle;
+			GC gc = new_GC (data);
+			if (gc != null) {
+				drawBackground (gc.handle);
+				RECT clientRect = new RECT();
+				OS.GetClientRect (handle, clientRect);
+				if (drawSeparator) {
+					RECT rect = new RECT ();
+					int lineWidth = OS.GetSystemMetrics (OS.SM_CXBORDER);
+					int flags = (style & SWT.SHADOW_IN) != 0 ? OS.EDGE_SUNKEN : OS.EDGE_ETCHED;
+					if ((style & SWT.HORIZONTAL) != 0) {
+						int bottom = clientRect.top + Math.max (lineWidth * 2, (clientRect.bottom - clientRect.top) / 2);
+						OS.SetRect (rect, clientRect.left, clientRect.top, clientRect.right, bottom);
+						OS.DrawEdge (gc.handle, rect, flags, OS.BF_BOTTOM);
+					} else {
+						int right = clientRect.left + Math.max (lineWidth * 2, (clientRect.right - clientRect.left) / 2);
+						OS.SetRect (rect, clientRect.left, clientRect.top, right, clientRect.bottom);
+						OS.DrawEdge (gc.handle, rect, flags, OS.BF_RIGHT);
+					}
+					result = LRESULT.ONE;
+				}
+				if (drawImage) {
+					Rectangle imageBounds = image.getBounds ();
+					int x = 0;
+					if ((style & SWT.CENTER) != 0) {
+						x = Math.max (0, (clientRect.right - imageBounds.width) / 2);
+					} else {
+						if ((style & SWT.RIGHT) != 0) {
+							x = Math.max (0, (clientRect.right - imageBounds.width));
+						}
+					}
+					gc.drawImage (image, x, Math.max (0, (clientRect.bottom - imageBounds.height) / 2));
+					result = LRESULT.ONE;
+				}
+				int width = ps.right - ps.left;
+				int height = ps.bottom - ps.top;
+				if (width != 0 && height != 0) {
+					Event event = new Event ();
+					event.gc = gc;
+					event.x = ps.left;
+					event.y = ps.top;
+					event.width = width;
+					event.height = height;
+					sendEvent (SWT.Paint, event);
+					// widget could be disposed at this point
+					event.gc = null;
+				}
+				gc.dispose ();
+			}
+			return result;
+		}
+	}
+	return super.WM_PAINT(wParam, lParam);
+}
+
+LRESULT wmDrawChild (int /*long*/ wParam, int /*long*/ lParam) {
+	DRAWITEMSTRUCT struct = new DRAWITEMSTRUCT ();
+	OS.MoveMemory (struct, lParam, DRAWITEMSTRUCT.sizeof);
+	drawBackground (struct.hDC);
+	if ((style & SWT.SEPARATOR) != 0) {
+		if ((style & SWT.SHADOW_NONE) != 0) return null;
+		RECT rect = new RECT ();
+		int lineWidth = OS.GetSystemMetrics (OS.SM_CXBORDER);
+		int flags = (style & SWT.SHADOW_IN) != 0 ? OS.EDGE_SUNKEN : OS.EDGE_ETCHED;
+		if ((style & SWT.HORIZONTAL) != 0) {
+			int bottom = struct.top + Math.max (lineWidth * 2, (struct.bottom - struct.top) / 2);
+			OS.SetRect (rect, struct.left, struct.top, struct.right, bottom);
+			OS.DrawEdge (struct.hDC, rect, flags, OS.BF_BOTTOM);
+		} else {
+			int right = struct.left + Math.max (lineWidth * 2, (struct.right - struct.left) / 2);
+			OS.SetRect (rect, struct.left, struct.top, right, struct.bottom);
+			OS.DrawEdge (struct.hDC, rect, flags, OS.BF_RIGHT);
+		}
+	} else {
+		int width = struct.right - struct.left;
+		int height = struct.bottom - struct.top;
+		if (width != 0 && height != 0) {
+			boolean drawImage = image != null;
+			boolean drawText = IMAGE_AND_TEXT && text.length () != 0;
+			int margin = drawText && drawImage ? MARGIN : 0;
+			int imageWidth = 0, imageHeight = 0;
+			if (drawImage) {
+				Rectangle rect = image.getBounds ();
+				imageWidth = rect.width;
+				imageHeight = rect.height;
+			}
+			RECT rect = null;
+			TCHAR buffer = null;
+			int textWidth = 0, textHeight = 0, flags = 0;
+			if (drawText) {
+				rect = new RECT ();
+				flags = OS.DT_CALCRECT | OS.DT_EDITCONTROL | OS.DT_EXPANDTABS;
+				if ((style & SWT.LEFT) != 0) flags |= OS.DT_LEFT;
+				if ((style & SWT.CENTER) != 0) flags |= OS.DT_CENTER;
+				if ((style & SWT.RIGHT) != 0) flags |= OS.DT_RIGHT;
+				if ((style & SWT.WRAP) != 0) {
+					flags |= OS.DT_WORDBREAK;
+					rect.right = Math.max (0, width - imageWidth - margin);
+				}
+				buffer = new TCHAR (getCodePage (), text, true);
+				OS.DrawText (struct.hDC, buffer, -1, rect, flags);
+				textWidth = rect.right - rect.left;
+				textHeight = rect.bottom - rect.top;
+			}
+			int x = 0;
+			if ((style & SWT.CENTER) != 0) {
+				x = Math.max (0, (width - imageWidth - textWidth - margin) / 2);
+			} else {
+				if ((style & SWT.RIGHT) != 0) {
+					x = width - imageWidth - textWidth - margin;
+				}
+			}
+			if (drawImage) {
+				GCData data = new GCData();
+				data.device = display;
+				GC gc = GC.win32_new (struct.hDC, data);
+				Image image = getEnabled () ? this.image : new Image (display, this.image, SWT.IMAGE_DISABLE);
+				gc.drawImage (image, x, Math.max (0, (height - imageHeight) / 2));
+				if (image != this.image) image.dispose ();
+				gc.dispose ();
+				x += imageWidth + margin;
+			}
+			if (drawText) {
+				flags &= ~OS.DT_CALCRECT;
+				rect.left = x;
+				rect.right += rect.left;
+				rect.top = Math.max (0, (height - textHeight) / 2);
+				rect.bottom += rect.top;
+				OS.DrawText (struct.hDC, buffer, -1, rect, flags);
+			}
+		}
+	}
+	return null;
+}
+
+}