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diff --git a/src/VBox/ValidationKit/testmanager/htdocs/js/graphwiz.js b/src/VBox/ValidationKit/testmanager/htdocs/js/graphwiz.js
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+/* $Id: graphwiz.js $ */
+/** @file
+ * JavaScript functions for the Graph Wizard.
+ */
+
+/*
+ * Copyright (C) 2012-2023 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
+ * in the VirtualBox distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
+ */
+
+
+/*******************************************************************************
+*   Global Variables                                                           *
+*******************************************************************************/
+/** The previous width of the div element that we measure.  */
+var g_cxPreviousWidth = 0;
+
+
+/**
+ * onload function that sets g_cxPreviousWidth to the width of @a sWidthSrcId.
+ *
+ * @returns true.
+ * @param   sWidthSrcId     The ID of the element which width we should measure.
+ */
+function graphwizOnLoadRememberWidth(sWidthSrcId)
+{
+    var cx = getUnscaledElementWidthById(sWidthSrcId);
+    if (cx)
+    {
+        g_cxPreviousWidth = cx;
+    }
+    return true;
+}
+
+
+/**
+ * onresize callback function that scales the given graph width input field
+ * value according to the resized element.
+ *
+ * @returns true.
+ * @param   sWidthSrcId     The ID of the element which width we should measure
+ *                          the resize effect on.
+ * @param   sWidthInputId   The ID of the input field which values should be
+ *                          scaled.
+ *
+ * @remarks Since we're likely to get several resize calls as part of one user
+ *          resize operation, we're likely to suffer from some rounding
+ *          artifacts.  So, should the user abort or undo the resizing, the
+ *          width value is unlikely to be restored to the exact value it had
+ *          prior to the resizing.
+ */
+function graphwizOnResizeRecalcWidth(sWidthSrcId, sWidthInputId)
+{
+    var cx = getUnscaledElementWidthById(sWidthSrcId);
+    if (cx)
+    {
+        var oElement = document.getElementById(sWidthInputId);
+        if (oElement && g_cxPreviousWidth)
+        {
+            var cxOld = oElement.value;
+            if (isInteger(cxOld))
+            {
+                var fpRatio = cxOld / g_cxPreviousWidth;
+                oElement.value = Math.round(cx * fpRatio);
+            }
+        }
+        g_cxPreviousWidth = cx;
+    }
+
+    return true;
+}
+
+/**
+ * Fills thegraph size (cx, cy) and dpi fields with default values.
+ *
+ * @returns false (for onclick).
+ * @param   sWidthSrcId     The ID of the element which width we should measure.
+ * @param   sWidthInputId   The ID of the graph width field (cx).
+ * @param   sHeightInputId  The ID of the graph height field (cy).
+ * @param   sDpiInputId     The ID of the graph DPI field.
+ */
+function graphwizSetDefaultSizeValues(sWidthSrcId, sWidthInputId, sHeightInputId, sDpiInputId)
+{
+    var cx            = getUnscaledElementWidthById(sWidthSrcId);
+    var cDotsPerInch  = getDeviceXDotsPerInch();
+
+    if (cx)
+    {
+        setInputFieldValue(sWidthInputId, cx);
+        setInputFieldValue(sHeightInputId, Math.round(cx * 5 / 16)); /* See wuimain.py. */
+    }
+
+    if (cDotsPerInch)
+    {
+        setInputFieldValue(sDpiInputId, cDotsPerInch);
+    }
+
+    return false;
+}
+