fp_MathRun.h

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/* -*- mode: C++; tab-width: 4; c-basic-offset: 4; -*- */

/* AbiWord
 * Copyright (C) 1998,1999 AbiSource, Inc.
 * Copyright (c) 2004 Martin Sevior
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301 USA.
 */

#ifndef FP_MATHRUN_H
#define FP_MATHRUN_H

#include "fp_Run.h"

class fl_BlockLayout;
class GR_EmbedManager;
class FL_DocLayout;

class ABI_EXPORT fp_MathRun : public fp_Run
{
public:
    fp_MathRun(fl_BlockLayout* pBL, PT_BlockOffset iOffsetFirst,PT_AttrPropIndex indexAP,pf_Frag_Object* oh);
    virtual ~ fp_MathRun(void);

    virtual void            mapXYToPosition(UT_sint32 xPos, UT_sint32 yPos, PT_DocPosition& pos, bool& bBOL, bool& bEOL, bool &isTOC);
    virtual void            findPointCoords(UT_uint32 iOffset, UT_sint32& x, UT_sint32& y, UT_sint32& x2, UT_sint32& y2, UT_sint32& height, bool& bDirection);
    virtual bool            canBreakAfter(void) const;
    virtual bool            canBreakBefore(void) const;
    virtual bool            isSuperscript(void) const ;
    virtual bool            isSubscript(void)  const;
    virtual bool            hasLayoutProperties(void) const;
    GR_EmbedManager *   getMathManager(void);

    virtual void            updateVerticalMetric();

    const char *            getDataID(void) const;
    UT_sint32               getUID(void) const
    { return m_iMathUID;}
protected:
    virtual void            _lookupProperties(const PP_AttrProp * pSpanAP,
                                              const PP_AttrProp * pBlockAP,
                                              const PP_AttrProp * pSectionAP,
                                              GR_Graphics * pG = NULL);

    void                    _lookupLocalProperties();

    virtual void            _draw(dg_DrawArgs*);
    virtual void            _clearScreen(bool bFullLineHeightRect);
    virtual bool            _letPointPass(void) const;
    void                    _drawResizeBox(UT_Rect box);
    UT_sint32               _getLayoutPropFromObject(const char * szProp);
    bool                    _updatePropValuesIfNeeded(void);
    virtual bool            _recalcWidth(void);
    UT_sint32               m_iPointHeight;
    const PP_AttrProp *     m_pSpanAP;
    UT_uint32               m_iGraphicTick;
    const gchar *        m_pszDataID;
    UT_UTF8String           m_sMathML;
    GR_EmbedManager *       m_pMathManager;
    UT_sint32               m_iMathUID;
    PT_AttrPropIndex        m_iIndexAP;
    FL_DocLayout *          m_pDocLayout;
    bool                    m_bNeedsSnapshot;
    pf_Frag_Object*         m_OH;
};

#endif /* FP_MATHRUN_H */