dbaccess/source/ui/dlg/optionalboolitem.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
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   9  * This file incorporates work covered by the following license notice:
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  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 <svl/poolitem.hxx>
  23
  24 #include <optional>
  25
  26 namespace dbaui
  27 {
  28
  29     // OptionalBoolItem
  30     class OptionalBoolItem : public SfxPoolItem
  31     {
  32         ::std::optional< bool >   m_aValue;
  33
  34     public:
  35         explicit OptionalBoolItem( sal_uInt16 nWhich );
  36
  37         virtual bool             operator==( const SfxPoolItem& _rItem ) const override;
  38         virtual OptionalBoolItem* Clone( SfxItemPool* _pPool = nullptr ) const override;
  39
  40         bool    HasValue() const                { return m_aValue.has_value(); }
  41         void    ClearValue()                    { m_aValue.reset(); }
  42         bool    GetValue() const                { return *m_aValue; }
  43         void    SetValue(bool _bValue)          { m_aValue = _bValue; }
  44
  45         const ::std::optional< bool >&
  46             GetFullValue() const { return m_aValue; }
  47     };
  48
  49 } // namespace dbaui
  50
  51 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */