Qt 5.9 | Qt Bluetooth | Bluetooth QML Ping Pong example | pingpong.h Example File

Qt 5.9.9 Reference Documentation

# pingpong.h Example File

pingpong/pingpong.h

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      #ifndef PINGPONG_H
      #define PINGPONG_H

      #include <QTimer>
      #include <QObject>
      #include <qbluetoothserver.h>
      #include <qbluetoothserviceinfo.h>
      #include <qbluetoothlocaldevice.h>
      #include <qbluetoothservicediscoveryagent.h>

      static QString serviceUuid(QStringLiteral("e8e10f95-1a70-4b27-9ccf-02010264e9c9"));
      static QString androidUuid(QStringLiteral("c9e96402-0102-cf9c-274b-701a950fe1e8"));

      class PingPong: public QObject
      {
          Q_OBJECT
          Q_PROPERTY(float ballX READ ballX NOTIFY ballChanged)
          Q_PROPERTY(float ballY READ ballY NOTIFY ballChanged)
          Q_PROPERTY(float leftBlockY READ leftBlockY NOTIFY leftBlockChanged)
          Q_PROPERTY(float rightBlockY READ rightBlockY NOTIFY rightBlockChanged)
          Q_PROPERTY(bool showDialog READ showDialog NOTIFY showDialogChanged)
          Q_PROPERTY(QString message READ message NOTIFY showDialogChanged)
          Q_PROPERTY(int role READ role NOTIFY roleChanged)
          Q_PROPERTY(int leftResult READ leftResult NOTIFY resultChanged)
          Q_PROPERTY(int rightResult READ rightResult NOTIFY resultChanged)
      public:
          PingPong();
          ~PingPong();
          float ballX() const;
          float ballY() const;
          float leftBlockY() const;
          float rightBlockY() const;
          void checkBoundaries();
          void updateDirection();
          bool showDialog() const;
          QString message() const;
          void setMessage(const QString &message);
          int role() const;
          int leftResult() const;
          int rightResult() const;
          void checkResult();

      public slots:
          void startGame();
          void update();
          void setSize(const float &x, const float &y);
          void updateBall(const float &bX, const float &bY);
          void updateLeftBlock(const float &lY);
          void updateRightBlock(const float &rY);
          void startServer();
          void startClient();
          void clientConnected();
          void clientDisconnected();
          void serverConnected();
          void serverDisconnected();
          void socketError(QBluetoothSocket::SocketError);
          void serverError(QBluetoothServer::Error);
          void serviceScanError(QBluetoothServiceDiscoveryAgent::Error);
          void done();
          void addService(const QBluetoothServiceInfo &);
          void readSocket();

      Q_SIGNALS:
          void ballChanged();
          void leftBlockChanged();
          void rightBlockChanged();
          void showDialogChanged();
          void roleChanged();
          void resultChanged();

      private:
          QBluetoothServer *m_serverInfo;
          QBluetoothServiceInfo m_serviceInfo;
          QBluetoothSocket *socket;
          QBluetoothServiceDiscoveryAgent *discoveryAgent;

          float m_ballX;
          float m_ballY;
          float m_ballPreviousX;
          float m_ballPreviousY;
          float m_leftBlockY;
          float m_rightBlockY;
          QTimer *m_timer;
          float m_boardWidth;
          float m_boardHeight;
          float m_direction;
          float m_targetX;
          float m_targetY;
          int interval;
          int m_resultLeft;
          int m_resultRight;
          bool m_showDialog;
          QString m_message;
          int m_role;
          float m_proportionX;
          float m_proportionY;
          bool m_serviceFound;
      };

      #endif // PINGPONG_H