[GEF] ChangeBoundsRequest should keep track of relative location

org.eclipse.wb.core/src-gef/org/eclipse/wb/gef/core/requests/ChangeBoundsRequest.java

@@ -27,6 +27,7 @@
  */
 public class ChangeBoundsRequest extends GroupRequest implements DropRequest {
 	private static final int SNAP_TO = 16;
+	private Point m_mouseAbsoluteLocation;
 	private Point m_mouseLocation;
 	private Point m_moveDelta = new Point();
 	private Dimension m_resizeDelta = new Dimension();
@@ -57,17 +58,37 @@ public ChangeBoundsRequest(Object type) {
 	//
 	////////////////////////////////////////////////////////////////////////////
 	/**
-	 * Returns the location of the mouse pointer.
+	 * Returns the <b>absolute<b> location of the mouse pointer.
+	 *
+	 * @deprecated Use {@link #getRelativeLocation()} instead.
 	 */
 	@Override
+	@Deprecated
 	public Point getLocation() {
+		return m_mouseAbsoluteLocation;
+	}
+
+	/**
+	 * Sets the <b>absolute<b> location of the mouse pointer.
+	 *
+	 * @deprecated Use {@link #setRelativeLocation(Point)} instead.
+	 */
+	@Deprecated
+	public void setLocation(Point absoluteLocation) {
+		m_mouseAbsoluteLocation = absoluteLocation;
+	}
+
+	/**
+	 * Returns the location of the mouse pointer.
+	 */
+	public Point getRelativeLocation() {
 		return m_mouseLocation;
 	}
 
 	/**
 	 * Sets the location of the mouse pointer.
 	 */
-	public void setLocation(Point location) {
+	public void setRelativeLocation(Point location) {
 		m_mouseLocation = location;
 	}
 

org.eclipse.wb.core/src-gef/org/eclipse/wb/gef/core/tools/DragEditPartTracker.java

@@ -204,12 +204,14 @@ protected Request createTargetRequest() {
 	 * location and type.
 	 */
 	@Override
+	@SuppressWarnings("deprecation")
 	protected void updateTargetRequest() {
 		super.updateTargetRequest();
 		ChangeBoundsRequest request = (ChangeBoundsRequest) getTargetRequest();
 		request.setEditParts(getOperationSet());
 		request.setMoveDelta(new Point(getDragMoveDelta()));
 		request.setLocation(getAbsoluteLocation());
+		request.setRelativeLocation(getLocation());
 	}
 
 	@Override

org.eclipse.wb.core/src-gef/org/eclipse/wb/gef/graphical/tools/ResizeTracker.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2011, 2025 Google, Inc. and others.
+ * Copyright (c) 2011, 2026 Google, Inc. and others.
  *
  * This program and the accompanying materials are made available under the
  * terms of the Eclipse Public License 2.0 which is available at
@@ -229,6 +229,7 @@ protected List<? extends EditPart> createOperationSet() {
 	 * Updates the request with the current {@link Tool#getOperationSet() operation set}, move delta,
 	 * size delta and location.
 	 */
+	@SuppressWarnings("deprecation")
 	private void updateRequest() {
 		// create request
 		if (getRequest() == null) {
@@ -261,6 +262,7 @@ private void updateRequest() {
 		getRequest().setMoveDelta(corner);
 		getRequest().setSizeDelta(resize);
 		getRequest().setLocation(getAbsoluteLocation());
+		getRequest().setRelativeLocation(getLocation());
 	}
 
 	/**