1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135
  
     | 
    
      /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */
#ifndef _FTNBOSS_HXX
#define _FTNBOSS_HXX
#include "layfrm.hxx"
class SwFtnBossFrm;
class SwFtnContFrm;
class SwFtnFrm;
class SwTxtFtn;
// Set max. footnote area.
// Restoration of the old value in DTor. Implementation in ftnfrm.cxx
class SwSaveFtnHeight
{
    SwFtnBossFrm *pBoss;
    const SwTwips nOldHeight;
    SwTwips nNewHeight;
public:
    SwSaveFtnHeight( SwFtnBossFrm *pBs, const SwTwips nDeadLine );
    ~SwSaveFtnHeight();
};
#define NA_ONLY_ADJUST 0
#define NA_GROW_SHRINK 1
#define NA_GROW_ADJUST 2
#define NA_ADJUST_GROW 3
typedef std::vector<SwFtnFrm*> SwFtnFrms;
class SwFtnBossFrm: public SwLayoutFrm
{
    // for private footnote operations
    friend class SwFrm;
    friend class SwSaveFtnHeight;
    friend class SwPageFrm; // for setting of MaxFtnHeight
    // max. height of the footnote container on this page
    SwTwips nMaxFtnHeight;
    SwFtnContFrm *MakeFtnCont();
    SwFtnFrm     *FindFirstFtn();
    sal_uInt8 _NeighbourhoodAdjustment( const SwFrm* pFrm ) const;
protected:
    void          InsertFtn( SwFtnFrm * );
    static void   ResetFtn( const SwFtnFrm *pAssumed );
public:
    inline SwFtnBossFrm( SwFrmFmt* pFmt, SwFrm* pSib ) : SwLayoutFrm( pFmt, pSib ) {}
                 SwLayoutFrm *FindBodyCont();
    inline const SwLayoutFrm *FindBodyCont() const;
    inline void SetMaxFtnHeight( const SwTwips nNewMax ) { nMaxFtnHeight = nNewMax; }
    // footnote interface
    void AppendFtn( SwCntntFrm *, SwTxtFtn * );
    void RemoveFtn( const SwCntntFrm *, const SwTxtFtn *, sal_Bool bPrep = sal_True );
    static       SwFtnFrm     *FindFtn( const SwCntntFrm *, const SwTxtFtn * );
                 SwFtnContFrm *FindFtnCont();
    inline const SwFtnContFrm *FindFtnCont() const;
           const SwFtnFrm     *FindFirstFtn( SwCntntFrm* ) const;
                 SwFtnContFrm *FindNearestFtnCont( sal_Bool bDontLeave = sal_False );
    void ChangeFtnRef( const SwCntntFrm *pOld, const SwTxtFtn *,
                       SwCntntFrm *pNew );
    void RearrangeFtns( const SwTwips nDeadLine, const sal_Bool bLock = sal_False,
                        const SwTxtFtn *pAttr = 0 );
    // Set DeadLine (in document coordinates) so that the text formatter can
    // temporarily limit footnote height.
    void    SetFtnDeadLine( const SwTwips nDeadLine );
    SwTwips GetMaxFtnHeight() const { return nMaxFtnHeight; }
    // returns value for remaining space until the body reaches minimal height
    SwTwips GetVarSpace() const;
    // methods needed for layouting
    // The parameters <_bCollectOnlyPreviousFtns> and <_pRefFtnBossFrm> control
    // if only footnotes that are positioned before the given reference
    // footnote boss-frame have to be collected.
    // Note: if parameter <_bCollectOnlyPreviousFtns> is true, then parameter
    // <_pRefFtnBossFrm> has to be referenced by an object.
    static void _CollectFtns( const SwCntntFrm*   _pRef,
                              SwFtnFrm*           _pFtn,
                              SwFtnFrms&          _rFtnArr,
                              const sal_Bool      _bCollectOnlyPreviousFtns = sal_False,
                              const SwFtnBossFrm* _pRefFtnBossFrm = NULL);
    // The parameter <_bCollectOnlyPreviousFtns> controls if only footnotes
    // that are positioned before the footnote boss-frame <this> have to be
    // collected.
    void    CollectFtns( const SwCntntFrm* _pRef,
                         SwFtnBossFrm*     _pOld,
                         SwFtnFrms&        _rFtnArr,
                         const sal_Bool    _bCollectOnlyPreviousFtns = sal_False );
    void    _MoveFtns( SwFtnFrms &rFtnArr, sal_Bool bCalc = sal_False );
    void    MoveFtns( const SwCntntFrm *pSrc, SwCntntFrm *pDest,
                      SwTxtFtn *pAttr );
    // should AdjustNeighbourhood be called (or Grow/Shrink)?
    sal_uInt8 NeighbourhoodAdjustment( const SwFrm* pFrm ) const
        { return IsPageFrm() ? NA_ONLY_ADJUST : _NeighbourhoodAdjustment( pFrm ); }
};
inline const SwLayoutFrm *SwFtnBossFrm::FindBodyCont() const
{
    return ((SwFtnBossFrm*)this)->FindBodyCont();
}
inline const SwFtnContFrm *SwFtnBossFrm::FindFtnCont() const
{
    return ((SwFtnBossFrm*)this)->FindFtnCont();
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
 
     |