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diff --git a/dbaccess/source/ui/inc/TableConnection.hxx b/dbaccess/source/ui/inc/TableConnection.hxx
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+++ b/dbaccess/source/ui/inc/TableConnection.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_DBACCESS_SOURCE_UI_INC_TABLECONNECTION_HXX
+#define INCLUDED_DBACCESS_SOURCE_UI_INC_TABLECONNECTION_HXX
+
+#include <vector>
+#include <vcl/window.hxx>
+#include <com/sun/star/uno/Reference.h>
+#include "TableConnectionData.hxx"
+
+class Point;
+namespace tools { class Rectangle; }
+
+namespace dbaui
+{
+    class OTableConnectionData;
+    class OTableWindow;
+    class OJoinTableView;
+    class OConnectionLine;
+
+    class OTableConnection : public vcl::Window
+    {
+        std::vector<std::unique_ptr<OConnectionLine>> m_vConnLine;
+        TTableConnectionData::value_type
+                                        m_pData;
+        VclPtr<OJoinTableView>          m_pParent;
+
+        bool                            m_bSelected;
+
+        void Init();
+        /** loops through the vector and deletes all lines */
+        void clearLineData();
+
+    public:
+        OTableConnection( OJoinTableView* pContainer, const TTableConnectionData::value_type& pTabConnData );
+        OTableConnection( const OTableConnection& rConn );
+        /** destructor
+
+            @attention Normally a pointer to OTableConnectionData is given but
+                       here, however, one has to create an instance (with
+                       OTableConnectionDate::NewInstance) which is never deleted
+                       (same like in other cases). Thus, the caller is
+                       responsible to check and save the data for deleting it
+                       eventually.
+         */
+        virtual ~OTableConnection() override;
+        virtual void dispose() override;
+
+        OTableConnection& operator=( const OTableConnection& rConn );
+
+        void        Select();
+        void        Deselect();
+        bool        IsSelected() const { return m_bSelected; }
+        bool        CheckHit( const Point& rMousePos ) const;
+        void        InvalidateConnection();
+        void        UpdateLineList();
+
+        OTableWindow* GetSourceWin() const;
+        OTableWindow* GetDestWin() const;
+
+        void RecalcLines();
+        /** isTableConnection
+
+            @param  _pTable the table where we should check if we belong to it
+            @return true when the source or the destination window are equal
+        */
+        bool isTableConnection(const OTableWindow* _pTable)
+        {
+            return (_pTable == GetSourceWin() || _pTable == GetDestWin());
+        }
+
+        tools::Rectangle   GetBoundingRect() const;
+
+        const TTableConnectionData::value_type& GetData() const { return m_pData; }
+        const std::vector<std::unique_ptr<OConnectionLine>>&  GetConnLineList() const { return m_vConnLine; }
+        OJoinTableView*                  GetParent() const { return m_pParent; }
+        virtual void Draw(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect);
+        using Window::Draw;
+        virtual css::uno::Reference< css::accessibility::XAccessible > CreateAccessible() override;
+    };
+}
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */