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diff --git a/sd/source/ui/inc/SpellDialogChildWindow.hxx b/sd/source/ui/inc/SpellDialogChildWindow.hxx
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index 0000000000..3d2163a7e0
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+++ b/sd/source/ui/inc/SpellDialogChildWindow.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 .
+ */
+
+#pragma once
+
+#include <svx/SpellDialogChildWindow.hxx>
+#include <svl/lstner.hxx>
+
+class SdOutliner;
+
+namespace sd
+{
+/** This derivation of the svx::SpellDialogChildWindow base class
+    provides Draw and Impress specific implementations of
+    GetNextWrongSentence() and ApplyChangedSentence().
+*/
+class SpellDialogChildWindow final : public svx::SpellDialogChildWindow, public SfxListener
+{
+public:
+    SpellDialogChildWindow(vcl::Window* pParent, sal_uInt16 nId, SfxBindings* pBindings,
+                           SfxChildWinInfo* pInfo);
+    virtual ~SpellDialogChildWindow() override;
+
+    /** This method makes the one from the base class public so that
+        it can be called from the view shell when one is created.
+    */
+    void InvalidateSpellDialog();
+
+    // SfxListener
+    virtual void Notify(SfxBroadcaster& rBC, const SfxHint& rHint) override;
+
+    SFX_DECL_CHILDWINDOW_WITHID(SpellDialogChildWindow);
+
+private:
+    /** Iterate over the sentences in all text shapes and stop at the
+        next sentence with spelling errors. While doing so the view
+        mode may be changed and text shapes are set into edit mode.
+    */
+    virtual svx::SpellPortions GetNextWrongSentence(bool bRecheck) override;
+
+    /** This method is responsible for merging corrections made in the
+        spelling dialog back into the document.
+    */
+    virtual void ApplyChangedSentence(const svx::SpellPortions& rChanged, bool bRecheck) override;
+    virtual void GetFocus() override;
+    virtual void LoseFocus() override;
+
+    /** This outliner is used to do the main work of iterating over a
+        document and finding sentences with spelling errors.
+    */
+    SdOutliner* mpSdOutliner;
+
+    /** When this flag is <TRUE/> then eventually we have to destroy
+        the outliner in mpSdOutliner.
+    */
+    bool mbOwnOutliner;
+
+    /** Provide an outliner in the mpSdOutliner data member.  When the
+        view shell has changed since the last call this include the
+        deletion/release of formerly created/obtained one prior to
+        construction/obtaining of a new one.
+    */
+    void ProvideOutliner();
+
+    void EndSpellingAndClearOutliner();
+};
+
+} // end of namespace ::sd
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */