fp_DirectionMarkerRun.h

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/* AbiWord
 * Copyright (C) 2003 Tomas Frydrych <tomas@frydrych.uklinux.net>
 *
 * 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_DIRMARKERRUN_H
#define FP_DIRMARKERRUN_H

#include "fp_Run.h"

#include "ut_types.h"
#include "ut_misc.h"

class ABI_EXPORT fp_DirectionMarkerRun : public fp_Run
{
public:
    fp_DirectionMarkerRun(fl_BlockLayout* pBL,
                          UT_uint32 iOffsetFirst,
                          UT_UCS4Char cMarker);

    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 UT_sint32       getDrawingWidth() const { return static_cast<UT_sint32>(m_iDrawWidth);}

    // for the purposes of linebreaking, direction markers are just whitespace
    virtual bool            doesContainNonBlankData(void) const { return false; }

protected:
    virtual void            _lookupProperties(const PP_AttrProp * pSpanAP,
                                              const PP_AttrProp * pBlockAP,
                                              const PP_AttrProp * pSectionAP,
                                              GR_Graphics * pG);

    virtual void            _draw(dg_DrawArgs*);
    virtual void            _clearScreen(bool bFullLineHeightRect);
    virtual bool            _recalcWidth(void);
    virtual bool            _letPointPass(void) const;
    virtual bool            _deleteFollowingIfAtInsPoint() const;

private:
    UT_uint32               m_iXoffText;
    UT_uint32               m_iYoffText;
    UT_uint32               m_iDrawWidth;
    UT_UCS4Char             m_iMarker;
};

#endif