#ifndef CELL_H #define CELL_H #include <QWidget> class QPushButton; class Cell : public QWidget { Q_OBJECT public: explicit Cell(QWidget *parent = 0); Cell (const Cell &old_obj); int possibleStates=9; bool collapsed = false; std::vector<int> index={0,1,2,3,4,5,6,7,8}; private: QPushButton *m_states[9]; QPushButton *m_number; std::array<int,9> m_blocked; signals: void update(int x); void undo(int x); public slots: void addOption(int x); void removeOption(int x); void collapse(int x); void un(void); }; #endif // CELL_H