gccv/brackets.h

// -*- C++ -*-

/*
 * GChemPaint library
 * brackets.h
 *
 * Copyright (C) 2011-2012 Jean Bréfort <jean.brefort@normalesup.org>
 *
 * 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 3 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 St, Fifth Floor, Boston, MA  02110-1301
 * USA
 */

#ifndef GCCV_BRACKETS_H
#define GCCV_BRACKETS_H

#include "line-item.h"
#include <list>
#include <string>

namespace gccv {

typedef struct _BracketsMetrics BracketsMetrics;

typedef enum
{
        BracketsTypeNormal,
        BracketsTypeSquare,
        BracketsTypeCurly
} BracketsTypes;

typedef enum
{
        BracketsOpening = 1,
        BracketsClosing,
        BracketsBoth
} BracketsUses;

class Brackets: public LineItem
{
public:
        Brackets (Canvas *canvas, BracketsTypes type, BracketsUses use, char const *fontdesc, double x0, double y0, double x1, double y1);
        Brackets (Group *parent, BracketsTypes type, BracketsUses use, char const *fontdesc, double x0, double y0, double x1, double y1, ItemClient *client = NULL);
        ~Brackets ();

        void SetPosition (double x0, double y0, double x1, double y1);
        void GetPosition (double &x0, double &y0, double &x1, double &y1);

        // virtual methods
        double Distance (double x, double y, Item **item) const;
        void Draw (cairo_t *cr, bool is_vector) const;
        void Move (double x, double y);

protected:
        void UpdateBounds ();

private:

private:
        BracketsMetrics const *m_Metrics;
//      std::string m_FontDesc;
        double m_x0, m_y0, m_x1, m_y1;

        typedef struct
        {
                char const *ch;
                double x, y, w, h, offset;
                bool needs_clip;
        } BracketElem;
        std::list < BracketElem > m_Elems;

GCCV_ITEM_POS_PROP (double, Size)


GCCV_ITEM_POS_PROP (std::string, FontDesc)

GCCV_ITEM_POS_PROP (BracketsTypes, Type)

GCCV_ITEM_POS_PROP (BracketsUses, Used)
};

}

#endif  //      GCCV_BRACKETS_H