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#ifndef TETRIXBOARD_H

#define TETRIXBOARD_H

#include <QBasicTimer>

#include <QFrame>

#include <QPointer>

#include "tetrixpiece.h"

QT_BEGIN_NAMESPACE

class QLabel;

QT_END_NAMESPACE

//! [0]

class TetrixBoard : public QFrame

{

    Q_OBJECT

public:

    TetrixBoard(QWidget *parent = 0);

    void setNextPieceLabel(QLabel *label);

    QSize sizeHint() const;

    QSize minimumSizeHint() const;

public slots:

    void start();

    void pause();

signals:

    void scoreChanged(int score);

    void levelChanged(int level);

    void linesRemovedChanged(int numLines);

protected:

    void paintEvent(QPaintEvent *event);

    void keyPressEvent(QKeyEvent *event);

    void timerEvent(QTimerEvent *event);

//! [0]

//! [1]

private:

    enum { BoardWidth = 10, BoardHeight = 22 };

    TetrixShape &shapeAt(int x, int y) { return board[(y * BoardWidth) + x]; }

    int timeoutTime() { return 1000 / (1 + level); }

    int squareWidth() { return contentsRect().width() / BoardWidth; }

    int squareHeight() { return contentsRect().height() / BoardHeight; }

    void clearBoard();

    void dropDown();

    void oneLineDown();

    void pieceDropped(int dropHeight);

    void removeFullLines();

    void newPiece();

    void showNextPiece();

    bool tryMove(const TetrixPiece &newPiece, int newX, int newY);

    void drawSquare(QPainter &painter, int x, int y, TetrixShape shape);

    QBasicTimer timer;

    QPointer<QLabel> nextPieceLabel;

    bool isStarted;

    bool isPaused;

    bool isWaitingAfterLine;

    TetrixPiece curPiece;

    TetrixPiece nextPiece;

    int curX;

    int curY;

    int numLinesRemoved;

    int numPiecesDropped;

    int score;

    int level;

    TetrixShape board[BoardWidth * BoardHeight];

};

//! [1]

#endif