forms/source/richtext/rtattributes.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 #ifndef INCLUDED_FORMS_SOURCE_RICHTEXT_RTATTRIBUTES_HXX
  21 #define INCLUDED_FORMS_SOURCE_RICHTEXT_RTATTRIBUTES_HXX
  22
  23 #include <sal/types.h>
  24 #include <svl/poolitem.hxx>
  25
  26 namespace frm
  27 {
  28
  29     /// the id of an attribute
  30     typedef sal_Int32   AttributeId;
  31     /// the "which id" of an item in an SfxItemSet
  32     typedef sal_uInt16      WhichId;
  33     /// a SFX slot id
  34     typedef sal_uInt16      SfxSlotId;
  35
  36     enum AttributeCheckState
  37     {
  38         eChecked,
  39         eUnchecked,
  40         eIndetermined
  41     };
  42
  43     struct AttributeState
  44     {
  45     private:
  46         std::unique_ptr<SfxPoolItem>  pItemHandleItem;
  47
  48     public:
  49         AttributeCheckState eSimpleState;
  50
  51         inline          AttributeState( );
  52         inline explicit AttributeState( AttributeCheckState _eCheckState );
  53         inline          AttributeState( const AttributeState& _rSource );
  54
  55         inline AttributeState& operator=( const AttributeState& _rSource );
  56
  57         inline bool operator==( const AttributeState& _rRHS );
  58
  59         inline const SfxPoolItem* getItem() const;
  60         inline void setItem( const SfxPoolItem* _pItem );
  61     };
  62
  63     inline AttributeState::AttributeState( )
  64         :eSimpleState( eIndetermined )
  65     {
  66     }
  67
  68     inline AttributeState::AttributeState( AttributeCheckState _eCheckState )
  69         :eSimpleState( _eCheckState )
  70     {
  71     }
  72
  73     inline AttributeState::AttributeState( const AttributeState& _rSource )
  74         :eSimpleState( eIndetermined )
  75     {
  76         operator=( _rSource );
  77     }
  78
  79     inline AttributeState& AttributeState::operator=( const AttributeState& _rSource )
  80     {
  81         if ( &_rSource == this )
  82             return *this;
  83
  84         eSimpleState = _rSource.eSimpleState;
  85         setItem( _rSource.getItem() );
  86         return *this;
  87     }
  88
  89     inline const SfxPoolItem* AttributeState::getItem() const
  90     {
  91         return pItemHandleItem.get();
  92     }
  93
  94     inline void AttributeState::setItem( const SfxPoolItem* _pItem )
  95     {
  96         if ( _pItem )
  97             pItemHandleItem.reset(_pItem->Clone());
  98         else
  99             pItemHandleItem.reset();
 100     }
 101
 102     inline bool AttributeState::operator==( const AttributeState& _rRHS )
 103     {
 104         if ( eSimpleState != _rRHS.eSimpleState )
 105             return false;
 106
 107         if ( pItemHandleItem && !_rRHS.pItemHandleItem )
 108             return false;
 109
 110         if ( !pItemHandleItem && _rRHS.pItemHandleItem )
 111             return false;
 112
 113         if ( pItemHandleItem == _rRHS.pItemHandleItem )
 114             return true;
 115
 116         return *pItemHandleItem == *_rRHS.pItemHandleItem;
 117     }
 118
 119     class IMultiAttributeDispatcher
 120     {
 121     public:
 122         virtual AttributeState  getState( AttributeId _nAttributeId ) const = 0;
 123         virtual void            executeAttribute( AttributeId _nAttributeId, const SfxPoolItem* _pArgument ) = 0;
 124
 125     protected:
 126         ~IMultiAttributeDispatcher() {}
 127     };
 128
 129 } // namespace frm
 130
 131 #endif // INCLUDED_FORMS_SOURCE_RICHTEXT_RTATTRIBUTES_HXX
 132
 133 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */