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diff --git a/editeng/source/editeng/textconv.hxx b/editeng/source/editeng/textconv.hxx
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+++ b/editeng/source/editeng/textconv.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 <editeng/editdata.hxx>
+#include <editeng/svxenum.hxx>
+#include <com/sun/star/uno/Reference.h>
+#include <com/sun/star/uno/Sequence.hxx>
+#include <editeng/hangulhanja.hxx>
+
+class EditView;
+
+class TextConvWrapper final : public editeng::HangulHanjaConversion
+{
+    OUString        m_aConvText;      // convertible text part found last time
+    LanguageType    m_nConvTextLang;  // language of aConvText
+    sal_uInt16      m_nUnitOffset;    // offset of current unit in the current text portion (word)
+    sal_uInt16      m_nLastPos;       // starting position of the last found text portion (word)
+
+    ESelection      m_aConvSel;       // selection to be converted if
+                                      // 'HasRange' is true, other conversion
+                                      // starts from the cursor position
+
+    EditView *      m_pEditView;
+    weld::Widget*   m_pWin;
+
+    bool            m_bStartChk;
+    bool            m_bStartDone;
+    bool            m_bEndDone;
+    bool            m_bAllowChange;   // storage for _bAllowImplicitChangesForNotConvertibleText
+                                      // parameters value of function GetNextPortion.
+                                      // used to transport the value to where it is needed.
+
+
+    // from SvxSpellWrapper copied and modified
+    bool        ConvNext_impl();        // former SpellNext
+    void        FindConvText_impl();    // former FindSpellError
+    bool        ConvMore_impl();        // former SpellMore
+
+    // from EditSpellWrapper copied and modified
+    void        ConvStart_impl( SvxSpellArea eSpell );   // former SpellStart
+    bool        ConvContinue_impl();                     // former SpellContinue
+
+    void        SelectNewUnit_impl( const sal_Int32 nUnitStart,
+                                    const sal_Int32 nUnitEnd );
+
+    void        ChangeText( const OUString &rNewText,
+                            const OUString& rOrigText,
+                            const css::uno::Sequence< sal_Int32 > *pOffsets,
+                            ESelection *pESelection );
+    void        ChangeText_impl( const OUString &rNewText, bool bKeepAttributes );
+
+    TextConvWrapper (const TextConvWrapper &) = delete;
+    TextConvWrapper & operator= (const TextConvWrapper &) = delete;
+
+    virtual void    GetNextPortion( OUString& /* [out] */ rNextPortion,
+                        LanguageType& /* [out] */ rLangOfPortion,
+                        bool /* [in] */ _bAllowImplicitChangesForNotConvertibleText ) override;
+    virtual void    HandleNewUnit( const sal_Int32 nUnitStart,
+                                   const sal_Int32 nUnitEnd ) override;
+    virtual void    ReplaceUnit(
+                        const sal_Int32 nUnitStart, const sal_Int32 nUnitEnd,
+                        const OUString& rOrigText,
+                        const OUString& rReplaceWith,
+                        const css::uno::Sequence< sal_Int32 > &rOffsets,
+                        ReplacementAction eAction,
+                        LanguageType *pNewUnitLanguage ) override;
+
+    virtual bool    HasRubySupport() const override;
+
+    void SetLanguageAndFont( const ESelection &rESel,
+                            LanguageType nLang, sal_uInt16 nLangWhichId,
+                            const vcl::Font *pFont,  sal_uInt16 nFontWhichId );
+
+
+public:
+    TextConvWrapper(weld::Widget* pWindow,
+            const css::uno::Reference< css::uno::XComponentContext >& rxContext,
+            const css::lang::Locale& rSourceLocale,
+            const css::lang::Locale& rTargetLocale,
+            const vcl::Font* pTargetFont,
+            sal_Int32 nOptions,
+            bool bIsInteractive,
+            bool bIsStart, EditView* pView );
+
+    virtual ~TextConvWrapper() override;
+
+    void    Convert();
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */