serverapp.h

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#ifndef SERVERAPP_H
#define SERVERAPP_H

#include <QApplication>
#include <QStringList>
#include <QMap>

class QSettings;

struct Room {
   Room(const QMap<QString, QPoint> &cPos, const QSize &grid, const QSize &client, const QString &image, const QString &tutor) :
      clientPositions(cPos),
      gridSize(grid),
      clientSize(client),
      imagePath(image),
      tutorIP(tutor) {};
   QMap<QString, QPoint> clientPositions;
   QSize gridSize;
   QSize clientSize;
   QString imagePath;
   QString tutorIP;
};


/* define a macro `serverApp` that can be used anywhere in the program and
 * returns a reference to the current ServerApp instance */

#if defined(serverApp)
#undef serverApp
#endif
#define serverApp (static_cast<ServerApp*>(QCoreApplication::instance())) // NOLINT(cppcoreguidelines-pro-type-static-cast-downcast)

/* this class is supposed to (after complete refactoring) to encapsulate all
 * state of the application.  At the moment, the state is distributed within
 * several widgets. With this class information access will also be easier as
 * it is possible to access the current ServerApp instance from anywhere with
 * the serverApp macro (like qApp) */
class ServerApp : public QApplication
{

   Q_OBJECT

private:
   QStringList _arguments;

   QString _sessionName;
   QByteArray _sessionNameArray;
   QMap<QString, Room*> _rooms;
   QString _currentRoom;
   bool _doExit{};

   bool _managerOnly{};
   bool _isExam{};
   QString _iniPath;

   QStringList parseParameters();
   void loadRooms();

public:

   ServerApp(int& argc, char** argv);

   virtual QStringList arguments();


   /* getters */
   const QString &sessionName() const            { return _sessionName; }
   const QByteArray &sessionNameArray() const    { return _sessionNameArray; }
   const QMap<QString, Room *> &getRooms() const { return _rooms; }
   bool isExam() const                           { return _isExam; }
   const Room* getCurrentRoom() const;
   QSettings * getSettings();

   /* setters */
   void setSessionName(const QString& name);
   void setSessionName();
   void setCurrentRoom(const QString& room) { _currentRoom = room; }
   void setExam(bool exam) { _isExam = exam; }

   bool shouldExit() const { return _doExit; }

};

#endif