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/* -*- 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 INCLUDED_SW_SOURCE_CORE_INC_FTNBOSS_HXX
#define INCLUDED_SW_SOURCE_CORE_INC_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 )
, nMaxFtnHeight(0)
{}
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 *, bool bPrep = true );
static SwFtnFrm *FindFtn( const SwCntntFrm *, const SwTxtFtn * );
SwFtnContFrm *FindFtnCont();
inline const SwFtnContFrm *FindFtnCont() const;
const SwFtnFrm *FindFirstFtn( SwCntntFrm* ) const;
SwFtnContFrm *FindNearestFtnCont( bool bDontLeave = false );
static void ChangeFtnRef( const SwCntntFrm *pOld, const SwTxtFtn *,
SwCntntFrm *pNew );
void RearrangeFtns( const SwTwips nDeadLine, const bool bLock = 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 bool _bCollectOnlyPreviousFtns = 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 bool _bCollectOnlyPreviousFtns = false );
void _MoveFtns( SwFtnFrms &rFtnArr, bool bCalc = 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 const_cast<SwFtnBossFrm*>(this)->FindBodyCont();
}
inline const SwFtnContFrm *SwFtnBossFrm::FindFtnCont() const
{
return const_cast<SwFtnBossFrm*>(this)->FindFtnCont();
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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