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diff --git a/tools/designer/src/lib/uilib/formscriptrunner.cpp b/tools/designer/src/lib/uilib/formscriptrunner.cpp
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+++ b/tools/designer/src/lib/uilib/formscriptrunner.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the Qt Designer of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "formscriptrunner_p.h"
+#include "formbuilderextra_p.h"
+#include "ui4_p.h"
+
+#include <QtScript/QScriptEngine>
+#include <QtGui/QWidget>
+#include <QtCore/QDebug>
+#include <QtCore/QCoreApplication>
+
+QT_BEGIN_NAMESPACE
+
+namespace {
+    enum { debugFormScriptRunner = 0 };
+}
+
+#ifdef QFORMINTERNAL_NAMESPACE
+namespace QFormInternal {
+#endif
+
+class  QFormScriptRunner::QFormScriptRunnerPrivate {
+public:
+    QFormScriptRunnerPrivate() : m_options(DisableScripts) {}
+    void clearErrors() { m_errors.clear(); }
+
+    bool run(const QString &script, QWidget *widget, const WidgetList &children, QString *errorMessage);
+
+    static void initializeEngine(QWidget *w, const WidgetList &children, QScriptEngine &scriptEngine);
+    static QString engineError(QScriptEngine &scriptEngine);
+
+    Options options() const { return m_options; }
+    void setOptions(Options options) { m_options = options; }
+
+    Errors errors() const { return m_errors; }
+private:
+    QScriptEngine m_scriptEngine;
+    Options m_options;
+    Errors m_errors;
+};
+
+bool QFormScriptRunner::QFormScriptRunnerPrivate::run(const QString &script, QWidget *widget, const WidgetList &children, QString *errorMessage) {
+    bool rc = false;
+    initializeEngine(widget, children, m_scriptEngine);
+
+    do {
+        m_scriptEngine.evaluate(script);
+        if (m_scriptEngine.hasUncaughtException ()) {
+            *errorMessage = QCoreApplication::tr("Exception at line %1: %2").arg(m_scriptEngine.uncaughtExceptionLineNumber()).arg(engineError(m_scriptEngine));
+            break;
+        }
+        rc = true;
+    } while (false);
+    m_scriptEngine.popContext();
+
+    if (!rc) {
+        Error error;
+        error.objectName = widget->objectName();
+        error.script = script;
+        error.errorMessage = *errorMessage;
+        m_errors.push_back(error);
+    }
+    return rc;
+}
+
+void QFormScriptRunner::QFormScriptRunnerPrivate::initializeEngine(QWidget *w, const WidgetList &children, QScriptEngine &scriptEngine) {
+    // Populate the script variables. This pushes a context which must be popped.
+    QScriptContext *ctx = scriptEngine.pushContext();
+    QScriptValue widgetObject =  scriptEngine.newQObject(w);
+    QScriptValue childrenArray = scriptEngine.newArray (children.size());
+
+    for(int i = 0; i < children.size(); i++) {
+        childrenArray.setProperty(i, scriptEngine.newQObject(children[i]));
+    }
+
+    const QFormBuilderStrings &strings = QFormBuilderStrings::instance();
+    ctx ->activationObject().setProperty(strings.scriptWidgetVariable, widgetObject);
+    ctx ->activationObject().setProperty(strings.scriptChildWidgetsVariable, childrenArray);
+}
+
+QString QFormScriptRunner::QFormScriptRunnerPrivate::engineError(QScriptEngine &scriptEngine) {
+    QScriptValue error = scriptEngine.evaluate(QLatin1String("Error"));
+    if (error.isValid())
+        return error.toString();
+    return QCoreApplication::tr("Unknown error");
+}
+// -- QFormScriptRunner
+
+QFormScriptRunner::QFormScriptRunner() : m_impl(new QFormScriptRunnerPrivate)
+{
+}
+
+QFormScriptRunner::~QFormScriptRunner()
+{
+    delete m_impl;
+}
+
+bool QFormScriptRunner::run(const DomWidget *domWidget,
+                            const QString &customWidgetScript,
+                            QWidget *widget, const WidgetList &children,
+                            QString *errorMessage)
+{
+    typedef QList<DomScript*> DomScripts;
+
+    const Options scriptOptions =  m_impl->options();
+    if (scriptOptions & DisableScripts)
+        return true;
+    // get list
+    const DomScripts domScripts = domWidget->elementScript();
+    // Concatenate snippets, starting with custom widget script
+    QString  script = customWidgetScript;
+    if (script.isEmpty() && domScripts.empty())
+        return true;
+
+    foreach (const DomScript *scriptSnippet, domScripts) {
+        // Ensure new line
+        if (!script.isEmpty() && !script.endsWith(QLatin1Char('\n')))
+            script += QLatin1Char('\n');
+        script += scriptSnippet->text();
+    }
+
+    if (script.isEmpty())
+        return true;
+
+    const bool rc =  m_impl->run(script, widget, children, errorMessage);
+
+    if (debugFormScriptRunner) {
+        qDebug() << "For " << widget << " with " << children.size() << " children, ran: " << script;
+        if (!rc)
+            qDebug() << *errorMessage;
+    }
+
+    if (!rc) {
+        if (!(scriptOptions & DisableWarnings)) {
+            const QString message = QCoreApplication::tr("An error occurred while running the script for %1: %2\nScript: %3").
+                arg(widget->objectName()).arg(*errorMessage).arg(script);
+            qWarning() <<  message;
+        }
+    }
+    return rc;
+}
+
+QFormScriptRunner::Options QFormScriptRunner::options() const
+{
+    return  m_impl->options();
+}
+
+void QFormScriptRunner::setOptions(Options options)
+{
+     m_impl->setOptions(options);
+}
+
+
+QFormScriptRunner::Errors QFormScriptRunner::errors() const
+{
+    return m_impl->errors();
+}
+
+void QFormScriptRunner::clearErrors()
+{
+     m_impl->clearErrors();
+}
+
+
+#ifdef QFORMINTERNAL_NAMESPACE
+} // namespace QFormInternal
+#endif
+
+QT_END_NAMESPACE