Qt 5.11 | Qt Bluetooth | Bluetooth QML Ping Pong example | pingpong.h Example File

Qt 5.11.3 Reference Documentation

# pingpong.h Example File

pingpong/pingpong.h

      /***************************************************************************
      **
      ** Copyright (C) 2014 BlackBerry Limited. All rights reserved.
      ** Contact: https://www.qt.io/licensing/
      **
      ** This file is part of the examples of the QtBluetooth module of the Qt Toolkit.
      **
      ** $QT_BEGIN_LICENSE:BSD$
      ** Commercial License Usage
      ** Licensees holding valid commercial Qt licenses may use this file in
      ** accordance with the commercial license agreement provided with the
      ** Software or, alternatively, in accordance with the terms contained in
      ** a written agreement between you and The Qt Company. For licensing terms
      ** and conditions see https://www.qt.io/terms-conditions. For further
      ** information use the contact form at https://www.qt.io/contact-us.
      **
      ** BSD License Usage
      ** Alternatively, you may use this file under the terms of the BSD license
      ** as follows:
      **
      ** "Redistribution and use in source and binary forms, with or without
      ** modification, are permitted provided that the following conditions are
      ** met:
      **   * Redistributions of source code must retain the above copyright
      **     notice, this list of conditions and the following disclaimer.
      **   * Redistributions in binary form must reproduce the above copyright
      **     notice, this list of conditions and the following disclaimer in
      **     the documentation and/or other materials provided with the
      **     distribution.
      **   * Neither the name of The Qt Company Ltd nor the names of its
      **     contributors may be used to endorse or promote products derived
      **     from this software without specific prior written permission.
      **
      **
      ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
      ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
      ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
      ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
      ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
      ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
      ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
      ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
      ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
      ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
      ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
      **
      ** $QT_END_LICENSE$
      **
      ****************************************************************************/

      #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