Qt 5.6 | Qt Designer Manual | Task Menu Extension Example | tictactoe.h Example File

Qt 5.6.3 Reference Documentation

# tictactoe.h Example File

taskmenuextension/tictactoe.h

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      #ifndef TICTACTOE_H
      #define TICTACTOE_H

      #include <QWidget>

      class QRect;
      class QSize;

      class TicTacToe : public QWidget
      {
          Q_OBJECT
          Q_PROPERTY(QString state READ state WRITE setState)

      public:
          explicit TicTacToe(QWidget *parent = 0);

          QSize minimumSizeHint() const Q_DECL_OVERRIDE;
          QSize sizeHint() const Q_DECL_OVERRIDE;
          void setState(const QString &newState);
          QString state() const;
          void clearBoard();

      protected:
          void mousePressEvent(QMouseEvent *event) Q_DECL_OVERRIDE;
          void paintEvent(QPaintEvent *event) Q_DECL_OVERRIDE;

      private:
          enum { Empty = '-', Cross = 'X', Nought = 'O' };

          QRect cellRect(int row, int col) const;
          int cellWidth() const { return width() / 3; }
          int cellHeight() const { return height() / 3; }

          QString myState;
          int turnNumber;
      };

      #endif