/* singleton.h */ /* Copyright (C) 2011-2020 Michael Lugmair (Lucio Carreras) * * This file is part of sayonara player * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ #pragma once #ifndef SAYONARA_SINGLETON_H #define SAYONARA_SINGLETON_H #define _SINGLETON_BASIC_(class_name) friend class Application; \ protected: \ class_name( const class_name& other ) = delete; \ class_name& operator=(const class_name& other) = delete; \ class_name( const class_name&& other ) = delete; \ class_name& operator=(const class_name&& other) = delete; \ public: \ static class_name *instance() \ { static class_name instance; return &instance; } \ virtual ~class_name (); #define SINGLETON(class_name) _SINGLETON_BASIC_(class_name) \ protected: \ class_name(); \ private: #define SINGLETON_QOBJECT(class_name) _SINGLETON_BASIC_(class_name) \ protected: \ class_name(QObject* parent=nullptr); \ private: #endif // SAYONARA_SINGLETON_H