graphicspiecereserve.h

/*
    This file is part of Cute Chess.
    Copyright (C) 2008-2018 Cute Chess authors

    Cute Chess 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.

    Cute Chess 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 Cute Chess.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef GRAPHICSPIECERESERVE_H
#define GRAPHICSPIECERESERVE_H

#include <QGraphicsItem>
#include <QMultiMap>
#include <board/piece.h>
class GraphicsPiece;


class GraphicsPieceReserve : public QGraphicsItem
{
    public:
        enum { Type = UserType + 3 };

        explicit GraphicsPieceReserve(qreal squareSize,
                          QGraphicsItem* parent = nullptr);

        // Inherited from QGraphicsItem
        virtual int type() const;
        virtual QRectF boundingRect() const;
        virtual void paint(QPainter* painter,
                   const QStyleOptionGraphicsItem* option,
                   QWidget* widget = nullptr);

        int pieceCount(const Chess::Piece& piece) const;
        GraphicsPiece* piece(const Chess::Piece& piece) const;
        GraphicsPiece* takePiece(const Chess::Piece& piece);
        void addPiece(GraphicsPiece* piece);

    private:
        QPointF piecePos(Chess::Side side, int index) const;
        QRectF textRect(Chess::Side side, int index) const;
        QRectF textRect(const Chess::Piece& piece) const;
        void updateTiles();
        typedef QMultiMap<Chess::Piece, GraphicsPiece*> PieceMap;

        qreal m_tileWidth;
        qreal m_tileHeight;
        QRectF m_rect;
        PieceMap m_pieces;
        int m_rowCount;
        QList<Chess::Piece> m_tiles[2];
};

#endif // GRAPHICSPIECERESERVE_H