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diff --git a/svtools/source/table/tablegeometry.hxx b/svtools/source/table/tablegeometry.hxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*************************************************************************
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+************************************************************************/
+
+#ifndef SVTOOLS_TABLEGEOMETRY_HXX
+#define SVTOOLS_TABLEGEOMETRY_HXX
+
+#include "svtools/table/tabletypes.hxx"
+
+#include <tools/gen.hxx>
+
+//........................................................................
+namespace svt { namespace table
+{
+//........................................................................
+
+    class TableControl_Impl;
+
+    //====================================================================
+    //= TableGeometry
+    //====================================================================
+    class TableGeometry
+    {
+    protected:
+        const TableControl_Impl&    m_rControl;
+        const Rectangle&            m_rBoundaries;
+        Rectangle                   m_aRect;
+
+    protected:
+        TableGeometry(
+                const TableControl_Impl& _rControl,
+                const Rectangle& _rBoundaries
+            )
+            :m_rControl( _rControl )
+            ,m_rBoundaries( _rBoundaries )
+            ,m_aRect( _rBoundaries )
+        {
+        }
+
+    public:
+        // attribute access
+        const TableControl_Impl&    getControl() const      { return m_rControl; }
+
+        // status
+        const Rectangle&    getRect() const { return m_aRect; }
+        bool                isValid() const { return !m_aRect.GetIntersection( m_rBoundaries ).IsEmpty(); }
+    };
+
+    //====================================================================
+    //= TableRowGeometry
+    //====================================================================
+    class TableRowGeometry : public TableGeometry
+    {
+    protected:
+        RowPos  m_nRowPos;
+        bool    m_bAllowVirtualRows;
+
+    public:
+        TableRowGeometry(
+            TableControl_Impl const & _rControl,
+            Rectangle const & _rBoundaries,
+            RowPos const _nRow,
+            bool const i_allowVirtualRows = false
+                // allow rows >= getRowCount()?
+        );
+
+        // status
+        RowPos              getRow() const  { return m_nRowPos; }
+        // operations
+        bool                moveDown();
+
+    private:
+        void    impl_initRect();
+        bool    impl_isValidRow( RowPos const i_row ) const;
+    };
+
+    //====================================================================
+    //= TableColumnGeometry
+    //====================================================================
+    class TableColumnGeometry : public TableGeometry
+    {
+    protected:
+        ColPos  m_nColPos;
+        bool    m_bAllowVirtualColumns;
+
+    public:
+        TableColumnGeometry(
+            TableControl_Impl const & _rControl,
+            Rectangle const & _rBoundaries,
+            ColPos const _nCol,
+            bool const i_allowVirtualColumns = false
+        );
+
+        // status
+        ColPos              getCol() const  { return m_nColPos; }
+        // operations
+        bool                moveRight();
+
+    private:
+        void    impl_initRect();
+        bool    impl_isValidColumn( ColPos const i_column ) const;
+    };
+
+    //====================================================================
+    //= TableCellGeometry
+    //====================================================================
+    /** a helper representing geometry information of a cell
+    */
+    class TableCellGeometry
+    {
+    private:
+        TableRowGeometry    m_aRow;
+        TableColumnGeometry m_aCol;
+
+    public:
+        TableCellGeometry(
+                TableControl_Impl const & _rControl,
+                Rectangle const & _rBoundaries,
+                ColPos const _nCol,
+                RowPos const _nRow,
+                bool const i_alllowVirtualCells = false
+            )
+            :m_aRow( _rControl, _rBoundaries, _nRow, i_alllowVirtualCells )
+            ,m_aCol( _rControl, _rBoundaries, _nCol, i_alllowVirtualCells )
+        {
+        }
+
+        TableCellGeometry(
+                const TableRowGeometry& _rRow,
+                ColPos _nCol
+            )
+            :m_aRow( _rRow )
+            ,m_aCol( _rRow.getControl(), _rRow.getRect(), _nCol )
+        {
+        }
+
+        inline  Rectangle   getRect() const     { return m_aRow.getRect().GetIntersection( m_aCol.getRect() ); }
+        inline  RowPos      getRow() const      { return m_aRow.getRow(); }
+        inline  ColPos      getColumn() const   { return m_aCol.getCol(); }
+        inline  bool        isValid() const     { return !getRect().IsEmpty(); }
+
+        inline  bool        moveDown()      {return m_aRow.moveDown(); }
+        inline  bool        moveRight()     {return m_aCol.moveRight(); }
+    };
+
+//........................................................................
+} } // namespace svt::table
+//........................................................................
+
+#endif // SVTOOLS_TABLEGEOMETRY_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */