fb_ColumnBreaker.h

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/* AbiWord
 * Copyright (C) 1998 AbiSource, Inc.
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  
 * 02111-1307, USA.
 */



#ifndef COLUMNBREAKER_H
#define COLUMNBREAKER_H

#include "ut_types.h"


class fp_Container;
class fl_DocSectionLayout;
class fp_Page;
class fl_BlockLayout;

class ABI_EXPORT fb_ColumnBreaker
{
public:
    fb_ColumnBreaker();
    virtual ~fb_ColumnBreaker(void) {}
    UT_sint32 breakSection(fl_DocSectionLayout * pSL);
    void   setStartPage(fp_Page * pPage);
    fp_Page * getStartPage(void) { return m_pStartPage;}
private:
    bool                    _isThisBroken(fp_Container * pCon);
    void                    _setLastWantedVBreak(fp_Container * pCon, UT_sint32 iBreakAt);
    UT_sint32               _getLastWantedVBreak(fp_Container * pCon);
    bool _breakCON(fp_Container *& pOffendingContainer,
                            fp_Container *& pLastContainerToKeep,
                            int iMaxColHeight, int iWorkingColHeight,
                            int iContainerMarginAfter);
    bool _breakTable(fp_Container *& pOffendingContainer,
                            fp_Container *& pLastContainerToKeep,
                            int iMaxColHeight, int iWorkingColHeight,
                            int iContainerMarginAfter);
    bool _breakTOC(fp_Container *& pOffendingContainer,
                            fp_Container *& pLastContainerToKeep,
                            int iMaxColHeight, int iWorkingColHeight,
                            int iContainerMarginAfter);
    fp_Container * _getNext(fp_Container * pCon);
    bool           _displayAnnotations(void);
    fp_Page *             m_pStartPage;
    bool                  m_bStartFromStart;
    bool                  m_bReBreak;
    fl_DocSectionLayout * m_pDocSec;
    fl_BlockLayout *      m_pCurrentBlock;
};

#endif /* COLUMNBREAKER_H */

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