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 FORMS_SOURCE_RICHTEXT_RTATTRIBUTES_HXX
  21 #define FORMS_SOURCE_RICHTEXT_RTATTRIBUTES_HXX
  22
  23 #include <tools/solar.h>
  24 #include <sal/types.h>
  25 #include <svl/poolitem.hxx>
  26
  27 namespace frm
  28 {
  29
  30     //====================================================================
  31     //= misc
  32     //====================================================================
  33     /// the id of an attribute
  34     typedef sal_Int32   AttributeId;
  35     /// the "which id" of an item in an SfxItemSet
  36     typedef sal_uInt16      WhichId;
  37     /// a SFX slot id
  38     typedef sal_uInt16      SfxSlotId;
  39     /// a script type
  40     typedef sal_uInt16      ScriptType;
  41
  42     //====================================================================
  43     //= AttributeCheckState
  44     //====================================================================
  45     enum AttributeCheckState
  46     {
  47         eChecked,
  48         eUnchecked,
  49         eIndetermined
  50     };
  51
  52     //====================================================================
  53     //= AttributeState
  54     //====================================================================
  55     struct AttributeState
  56     {
  57     private:
  58         SfxItemHandle*      pItemHandle;
  59
  60     public:
  61         AttributeCheckState eSimpleState;
  62
  63         inline          AttributeState( );
  64         inline explicit AttributeState( AttributeCheckState _eCheckState );
  65         inline          AttributeState( const AttributeState& _rSource );
  66         inline          ~AttributeState( );
  67
  68         inline AttributeState& operator=( const AttributeState& _rSource );
  69
  70         inline bool operator==( const AttributeState& _rRHS );
  71
  72         inline const SfxPoolItem* getItem() const;
  73         inline void setItem( const SfxPoolItem* _pItem );
  74     };
  75
  76     //====================================================================
  77     //= AttributeState (inline implementation)
  78     //====================================================================
  79     inline AttributeState::AttributeState( )
  80         :pItemHandle( NULL )
  81         ,eSimpleState( eIndetermined )
  82     {
  83     }
  84
  85     inline AttributeState::AttributeState( AttributeCheckState _eCheckState )
  86         :pItemHandle( NULL )
  87         ,eSimpleState( _eCheckState )
  88     {
  89     }
  90
  91     inline AttributeState::AttributeState( const AttributeState& _rSource )
  92         :pItemHandle( NULL )
  93         ,eSimpleState( eIndetermined )
  94     {
  95         operator=( _rSource );
  96     }
  97
  98     inline AttributeState::~AttributeState( )
  99     {
 100         delete(pItemHandle);
 101     }
 102
 103     inline AttributeState& AttributeState::operator=( const AttributeState& _rSource )
 104     {
 105         if ( &_rSource == this )
 106             return *this;
 107
 108         eSimpleState = _rSource.eSimpleState;
 109         setItem( _rSource.getItem() );
 110         return *this;
 111     }
 112
 113     inline const SfxPoolItem* AttributeState::getItem() const
 114     {
 115         return pItemHandle ? &pItemHandle->GetItem() : NULL;
 116     }
 117
 118     inline void AttributeState::setItem( const SfxPoolItem* _pItem )
 119     {
 120         if ( pItemHandle )
 121             delete pItemHandle;
 122         if ( _pItem )
 123             pItemHandle = new SfxItemHandle( *const_cast< SfxPoolItem* >( _pItem ) );
 124         else
 125             pItemHandle = NULL;
 126     }
 127
 128     inline bool AttributeState::operator==( const AttributeState& _rRHS )
 129     {
 130         if ( eSimpleState != _rRHS.eSimpleState )
 131             return false;
 132
 133         if ( pItemHandle && !_rRHS.pItemHandle )
 134             return false;
 135
 136         if ( !pItemHandle && _rRHS.pItemHandle )
 137             return false;
 138
 139         if ( !pItemHandle && !_rRHS.pItemHandle )
 140             return true;
 141
 142         return ( pItemHandle->GetItem() == _rRHS.pItemHandle->GetItem() );
 143     }
 144
 145     //====================================================================
 146     //= IMultiAttributeDispatcher
 147     //====================================================================
 148     class IMultiAttributeDispatcher
 149     {
 150     public:
 151         virtual AttributeState  getState( AttributeId _nAttributeId ) const = 0;
 152         virtual void            executeAttribute( AttributeId _nAttributeId, const SfxPoolItem* _pArgument ) = 0;
 153
 154     protected:
 155         ~IMultiAttributeDispatcher() {}
 156     };
 157
 158 } // namespace frm
 159
 160 #endif // FORMS_SOURCE_RICHTEXT_RTATTRIBUTES_HXX
 161
 162 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */