fv_FrameEdit.h

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/* AbiWord
 * Copyright (c) 2003 Martin Sevior <msevior@physics.unimelb.edu.au>
 *
 * 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 FV_FRAME_EDIT_H
#define FV_FRAME_EDIT_H

#include "pt_Types.h"
#include "fl_FrameLayout.h"
#include "fv_Base.h"

typedef enum _FV_FrameEditMode
{
    FV_FrameEdit_NOT_ACTIVE,
    FV_FrameEdit_WAIT_FOR_FIRST_CLICK_INSERT,
    FV_FrameEdit_RESIZE_INSERT,
    FV_FrameEdit_RESIZE_SELECTED_EXISTING,
    FV_FrameEdit_RESIZE_EXISTING,
    FV_FrameEdit_DRAG_EXISTING,
    FV_FrameEdit_EXISTING_SELECTED
} FV_FrameEditMode;

struct fv_FrameStrings
{
    UT_String sXpos;
    UT_String sYpos;
    UT_String sColXpos;
    UT_String sColYpos;
    UT_String sPageXpos;
    UT_String sPageYpos;
    UT_String sWidth;
    UT_String sHeight;
    UT_String sPrefPage;
    UT_String sPrefColumn;
};


class ABI_EXPORT FV_FrameEdit : public FV_Base
{
    friend class fv_View;

public:

    FV_FrameEdit (FV_View * pView);
    ~FV_FrameEdit ();
    bool                  isActive(void) const;
    void                  abortDrag(void);
    UT_sint32             haveDragged(void) const;
    void                  setMode(FV_FrameEditMode iEditMode);
    FV_FrameEditMode      getFrameEditMode(void) const
        { return m_iFrameEditMode;}
    void                  mouseLeftPress(UT_sint32 x, UT_sint32 y);
    void                  mouseRelease(UT_sint32 x, UT_sint32 y);
    FV_DragWhat           mouseMotion(UT_sint32 x, UT_sint32 y);
    void                  drawFrame(bool bWithHandles);
    void                  deleteFrame(fl_FrameLayout * pFL = NULL);
    void                  setDragType(UT_sint32 x,UT_sint32 y, bool bDrawFrame);
    bool                  getFrameStrings(UT_sint32 x, UT_sint32 y,
                          fv_FrameStrings &FS,
                          fl_BlockLayout ** pCloseBL,
                          fp_Page ** pPage);
    fl_FrameLayout *      getFrameLayout(void) const
        { return m_pFrameLayout;}
    const char *          getPNGImage(UT_ConstByteBufPtr & ppByteBuf);
    void                  setPointInside(void);
    fp_FrameContainer *   getFrameContainer(void) { return m_pFrameContainer;}
    static void           _actuallyScroll(UT_Worker * pTimer);
    static void           _autoScroll(UT_Worker * pTimer);
    bool                  isImageWrapper(void) const;

protected:
    virtual void          _mouseDrag(UT_sint32 x, UT_sint32 y);

private:
    FV_FrameEditMode      m_iFrameEditMode;
    fl_FrameLayout *      m_pFrameLayout;
    fp_FrameContainer *   m_pFrameContainer;
    UT_sint32             m_iLastX;
    UT_sint32             m_iLastY;
    UT_sint32             m_iInitialDragX;
    UT_sint32             m_iInitialDragY;
    bool                  m_bInitialClick;
    GR_Image *            m_pFrameImage;

    // autoscroll stuff
    UT_Timer *            m_pAutoScrollTimer;

    //
    UT_sint32             m_iInitialFrameX;
    UT_sint32             m_iInitialFrameY;

    UT_String             m_sRelWidth;
    UT_String             m_sMinHeight;
    UT_String             m_sExpandHeight;
};


#endif /* FV_FRAME_EDIT_H */