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diff --git a/starmath/inc/AccessibleSmElementsControl.hxx b/starmath/inc/AccessibleSmElementsControl.hxx
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+++ b/starmath/inc/AccessibleSmElementsControl.hxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+#ifndef INCLUDED_STARMATH_INC_ACCESSIBLESMELEMENTSCONTROL_HXX
+#define INCLUDED_STARMATH_INC_ACCESSIBLESMELEMENTSCONTROL_HXX
+
+#include <comphelper/accessiblecomponenthelper.hxx>
+#include <com/sun/star/accessibility/XAccessibleSelection.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <cppuhelper/implbase3.hxx>
+#include <vcl/vclptr.hxx>
+
+#include <vector>
+
+class AccessibleSmElement;
+class SmElementsControl;
+
+typedef ::cppu::ImplHelper3<css::lang::XServiceInfo, css::accessibility::XAccessible,
+                            css::accessibility::XAccessibleSelection>
+    AccessibleSmElementsControl_BASE;
+
+class AccessibleSmElementsControl final : public comphelper::OAccessibleComponentHelper,
+                                          public AccessibleSmElementsControl_BASE
+{
+    std::vector<rtl::Reference<AccessibleSmElement>> m_aAccessibleChildren;
+    SmElementsControl* m_pControl;
+
+    void UpdateFocus(sal_uInt16);
+    inline void TestControl();
+
+    ~AccessibleSmElementsControl() override;
+    void SAL_CALL disposing() override;
+    css::awt::Rectangle implGetBounds() override;
+
+public:
+    AccessibleSmElementsControl(SmElementsControl& rControl);
+
+    void ReleaseAllItems();
+    void AddAllItems();
+    inline void AcquireFocus();
+    inline void ReleaseFocus(sal_uInt16);
+
+    DECLARE_XINTERFACE()
+    DECLARE_XTYPEPROVIDER()
+
+    // XAccessible
+    css::uno::Reference<css::accessibility::XAccessibleContext>
+        SAL_CALL getAccessibleContext() override;
+
+    // XServiceInfo
+    OUString SAL_CALL getImplementationName() override;
+    sal_Bool SAL_CALL supportsService(const OUString& ServiceName) override;
+    css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override;
+
+    // XAccessibleComponent
+    sal_Bool SAL_CALL containsPoint(const css::awt::Point& aPoint) override;
+    css::uno::Reference<css::accessibility::XAccessible>
+        SAL_CALL getAccessibleAtPoint(const css::awt::Point& aPoint) override;
+    void SAL_CALL grabFocus() override;
+    sal_Int32 SAL_CALL getForeground() override;
+    sal_Int32 SAL_CALL getBackground() override;
+
+    // XAccessibleContext
+    sal_Int32 SAL_CALL getAccessibleChildCount() override;
+    css::uno::Reference<css::accessibility::XAccessible>
+        SAL_CALL getAccessibleChild(sal_Int32 i) override;
+    css::uno::Reference<css::accessibility::XAccessible> SAL_CALL getAccessibleParent() override;
+    sal_Int16 SAL_CALL getAccessibleRole() override;
+    OUString SAL_CALL getAccessibleDescription() override;
+    OUString SAL_CALL getAccessibleName() override;
+    css::uno::Reference<css::accessibility::XAccessibleRelationSet>
+        SAL_CALL getAccessibleRelationSet() override;
+    css::uno::Reference<css::accessibility::XAccessibleStateSet>
+        SAL_CALL getAccessibleStateSet() override;
+
+    // XAccessibleSelection
+    void SAL_CALL selectAccessibleChild(sal_Int32 nChildIndex) override;
+    sal_Bool SAL_CALL isAccessibleChildSelected(sal_Int32 nChildIndex) override;
+    void SAL_CALL clearAccessibleSelection() override;
+    void SAL_CALL selectAllAccessibleChildren() override;
+    sal_Int32 SAL_CALL getSelectedAccessibleChildCount() override;
+    css::uno::Reference<css::accessibility::XAccessible>
+        SAL_CALL getSelectedAccessibleChild(sal_Int32 nSelectedChildIndex) override;
+    void SAL_CALL deselectAccessibleChild(sal_Int32 nChildIndex) override;
+};
+
+void AccessibleSmElementsControl::AcquireFocus() { UpdateFocus(SAL_MAX_UINT16); }
+
+void AccessibleSmElementsControl::ReleaseFocus(sal_uInt16 nPos) { UpdateFocus(nPos); }
+
+#endif // INCLUDED_STARMATH_INC_ACCESSIBLESMELEMENTSCONTROL_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */