toolkit/source/controls/table/tablegeometry.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #pragma once
  21
  22 #include <controls/table/tabletypes.hxx>
  23 #include <tools/gen.hxx>
  24
  25 namespace svt::table
  26 {
  27
  28
  29     class TableControl_Impl;
  30
  31
  32     //= TableGeometry
  33
  34     class TableGeometry
  35     {
  36     protected:
  37         const TableControl_Impl&    m_rControl;
  38         const tools::Rectangle&            m_rBoundaries;
  39         tools::Rectangle                   m_aRect;
  40
  41     protected:
  42         TableGeometry(
  43                 const TableControl_Impl& _rControl,
  44                 const tools::Rectangle& _rBoundaries
  45             )
  46             :m_rControl( _rControl )
  47             ,m_rBoundaries( _rBoundaries )
  48             ,m_aRect( _rBoundaries )
  49         {
  50         }
  51
  52     public:
  53         // attribute access
  54         const TableControl_Impl&    getControl() const      { return m_rControl; }
  55
  56         // status
  57         const tools::Rectangle&    getRect() const { return m_aRect; }
  58         bool                isValid() const { return !m_aRect.GetIntersection( m_rBoundaries ).IsEmpty(); }
  59     };
  60
  61
  62     //= TableRowGeometry
  63
  64     class TableRowGeometry final : public TableGeometry
  65     {
  66     public:
  67         TableRowGeometry(
  68             TableControl_Impl const & _rControl,
  69             tools::Rectangle const & _rBoundaries,
  70             RowPos const _nRow,
  71             bool const i_allowVirtualRows = false
  72                 // allow rows >= getRowCount()?
  73         );
  74
  75         // status
  76         RowPos              getRow() const  { return m_nRowPos; }
  77         // operations
  78         bool                moveDown();
  79
  80     private:
  81         void    impl_initRect();
  82         bool    impl_isValidRow( RowPos const i_row ) const;
  83
  84         RowPos  m_nRowPos;
  85         bool    m_bAllowVirtualRows;
  86     };
  87
  88
  89     //= TableColumnGeometry
  90
  91     class TableColumnGeometry final : public TableGeometry
  92     {
  93     public:
  94         TableColumnGeometry(
  95             TableControl_Impl const & _rControl,
  96             tools::Rectangle const & _rBoundaries,
  97             ColPos const _nCol
  98         );
  99
 100         // status
 101         ColPos              getCol() const  { return m_nColPos; }
 102         // operations
 103         bool                moveRight();
 104
 105     private:
 106         void    impl_initRect();
 107         bool    impl_isValidColumn( ColPos const i_column ) const;
 108
 109         ColPos  m_nColPos;
 110     };
 111
 112
 113     //= TableCellGeometry
 114
 115     /** a helper representing geometry information of a cell
 116     */
 117     class TableCellGeometry
 118     {
 119     private:
 120         TableRowGeometry    m_aRow;
 121         TableColumnGeometry m_aCol;
 122
 123     public:
 124         TableCellGeometry(
 125                 TableControl_Impl const & _rControl,
 126                 tools::Rectangle const & _rBoundaries,
 127                 ColPos const _nCol,
 128                 RowPos const _nRow
 129             )
 130             :m_aRow( _rControl, _rBoundaries, _nRow, false/*allowVirtualCells*/ )
 131             ,m_aCol( _rControl, _rBoundaries, _nCol )
 132         {
 133         }
 134
 135         TableCellGeometry(
 136                 const TableRowGeometry& _rRow,
 137                 ColPos _nCol
 138             )
 139             :m_aRow( _rRow )
 140             ,m_aCol( _rRow.getControl(), _rRow.getRect(), _nCol )
 141         {
 142         }
 143
 144         tools::Rectangle   getRect() const     { return m_aRow.getRect().GetIntersection( m_aCol.getRect() ); }
 145         ColPos      getColumn() const   { return m_aCol.getCol(); }
 146         bool        isValid() const     { return !getRect().IsEmpty(); }
 147
 148         bool        moveRight()     {return m_aCol.moveRight(); }
 149     };
 150
 151
 152 } // namespace svt::table
 153
 154
 155
 156 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */