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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#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 = nullptr);
void setNextPieceLabel(QLabel *label);
QSize sizeHint() const override;
QSize minimumSizeHint() const override;
public slots:
void start();
void pause();
signals:
void scoreChanged(int score);
void levelChanged(int level);
void linesRemovedChanged(int numLines);
protected:
void paintEvent(QPaintEvent *event) override;
void keyPressEvent(QKeyEvent *event) override;
void timerEvent(QTimerEvent *event) override;
//! [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
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