IntCell.h

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// -*- mode: c++; c-file-style: "linux"; c-basic-offset: 2; indent-tabs-mode: nil -*-
//
//  Copyright (C) 2004-2015 Andrej Vodopivec <andrej.vodopivec@gmail.com>
//  Copyright (C) 2014-2016 Gunter Königsmann <wxMaxima@physikbuch.de>
//
//  This program is free software; you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation; either version 2 of the License, or
//  (at your option) any later version.
//
//  This program 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 General Public License for more details.
//
//
//  You should have received a copy of the GNU General Public License
//  along with this program; if not, write to the Free Software
//  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//
//  SPDX-License-Identifier: GPL-2.0+
 
#ifndef INTCELL_H
#define INTCELL_H
 
#include "Cell.h"
 
// cppcheck-suppress ctuOneDefinitionRuleViolation
class IntCell final : public Cell
{
public:
  IntCell(GroupCell *group, Configuration *config,
          std::unique_ptr<Cell> &&base, std::unique_ptr<Cell> &&lowerLimit,
          std::unique_ptr<Cell> &&upperLimit, std::unique_ptr<Cell> &&var);
  IntCell(GroupCell *group, Configuration *config,
          std::unique_ptr<Cell> &&base, std::unique_ptr<Cell> &&var);
  IntCell(GroupCell *group, const IntCell &cell);
  std::unique_ptr<Cell> Copy(GroupCell *group) const override;
  const CellTypeInfo &GetInfo() override;
 
  size_t GetInnerCellCount() const override { return 9; }
  Cell *GetInnerCell(size_t index) const override {
    switch (index) {
    case 0:
      return m_open.get();
    case 1:
      return m_base.get();
    case 2:
      return m_comma1.get();
    case 3:
      return m_var.get();
    case 4:
      return m_comma2.get();
    case 5:
      return m_lowerLimit.get();
    case 6:
      return m_comma3.get();
    case 7:
      return m_upperLimit.get();
    case 8:
      return m_close.get();
    default:
      return nullptr;
    }
  }
 
  void Recalculate(const AFontSize fontsize) const override;
 
  using Cell::SetCurrentPoint;
  void SetCurrentPoint(wxPoint point) const override;
  void Draw(wxDC *dc, wxDC *antialiassingDC) override;
 
  enum IntegralType : int8_t
  {
    INT_DEF, 
    INT_IDEF 
  };
 
  void SetIntStyle(IntegralType style) { m_intStyle = style; }
 
  wxString ToMathML() const override;
  wxString ToMatlab() const override;
  wxString ToOMML() const override;
  wxString ToString() const override;
  wxString ToTeX() const override;
  wxString ToXML() const override;
 
  bool BreakUp() const override;
 
  size_t GetBrokenCellCount() const override { return HasLimits() ? 5 : 9; }
  Cell *GetBrokenCell(size_t index) const override {
    Cell *const varHead = m_var->GetNext() ? m_var->GetNext() : m_var.get();
    if (HasLimits()) {
      switch (index) {
      case 0:
        return m_open.get();
      case 1:
        return m_base.get();
      case 2:
        return m_comma1.get();
      case 3:
        return varHead;
      case 4:
        return m_close.get();
      default:
        return nullptr;
      }
    }
    switch (index) {
    case 0:
      return m_open.get();
    case 1:
      return m_base.get();
    case 2:
      return m_comma1.get();
    case 3:
      return varHead;
    case 4:
      return m_comma2.get();
    case 5:
      return m_lowerLimit.get();
    case 6:
      return m_comma3.get();
    case 7:
      return m_upperLimit.get();
    case 8:
      return m_close.get();
    default:
      return nullptr;
    }
  }
 
  bool HasLimits() const {return (m_intStyle == INT_DEF) &&
      (m_upperLimit != NULL) && (m_lowerLimit != NULL); }
  
private:
  wxCoord IntSignLimitYoffset() const { return Scale_Px(8); }
  void MakeBreakUpCells();
  const static wxString m_svgIntegralSign;
  // The pointers below point to inner cells and must be kept contiguous.
  // ** This is the draw list order. All pointers must be the same:
  // ** either Cell * or std::unique_ptr<Cell>. NO OTHER TYPES are allowed.
  std::unique_ptr<Cell> m_open;
  std::unique_ptr<Cell> m_base;
  std::unique_ptr<Cell> m_comma1;
  std::unique_ptr<Cell> m_var;
  std::unique_ptr<Cell> m_comma2;
  std::unique_ptr<Cell> m_lowerLimit;
  std::unique_ptr<Cell> m_comma3;
  std::unique_ptr<Cell> m_upperLimit;
  std::unique_ptr<Cell> m_close;
  // The pointers above point to inner cells and must be kept contiguous.
 
  mutable CachedInteger<wxCoord> m_signHeight;
  mutable CachedInteger<wxCoord> m_signWidth;
  mutable CachedInteger<wxCoord> m_signTop;
#if defined __WXMSW__
  wxCoord m_charHeight = 12;
  wxCoord m_charWidth = 12;
#endif
 
  IntegralType m_intStyle = INT_IDEF;
};
 
#endif  // INTCELL_Hs.