graphicsboard.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 GRAPHICSBOARD_H
#define GRAPHICSBOARD_H

#include <QGraphicsItem>
#include <QColor>
#include <QVector>
#include <board/square.h>
#include <board/piece.h>
class GraphicsPiece;
class QPropertyAnimation;


class GraphicsBoard : public QGraphicsItem
{
    public:
        enum { Type = UserType + 1 };

        explicit GraphicsBoard(int files,
                       int ranks,
                       qreal squareSize,
                       QGraphicsItem* parent = nullptr);
        virtual ~GraphicsBoard();

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

        Chess::Square squareAt(const QPointF& point) const;
        QPointF squarePos(const Chess::Square& square) const;
        Chess::Piece pieceTypeAt(const Chess::Square& square) const;
        GraphicsPiece* pieceAt(const Chess::Square& square) const;
        GraphicsPiece* takePieceAt(const Chess::Square& square);

        void clearSquares();
        void setSquare(const Chess::Square& square, GraphicsPiece* piece);
        void movePiece(const Chess::Square& source,
                   const Chess::Square& target);

        void clearHighlights();
        void setHighlights(const QList<Chess::Square>& squares);

        bool isFlipped() const;

        void setFlipped(bool flipped);

    private:
        int squareIndex(const Chess::Square& square) const;

        int m_files;
        int m_ranks;
        qreal m_squareSize;
        qreal m_coordSize;
        QRectF m_rect;
        QColor m_lightColor;
        QColor m_darkColor;
        QVector<GraphicsPiece*> m_squares;
        QPropertyAnimation* m_highlightAnim;
        bool m_flipped;
};

#endif // GRAPHICSBOARD_H