00001 /****************************************************************************** 00002 * This file is part of the Gluon Development Platform 00003 * Copyright (c) 2009 Arjen Hiemstra <ahiemstra@heimr.nl> 00004 * 00005 * This library is free software; you can redistribute it and/or 00006 * modify it under the terms of the GNU Lesser General Public 00007 * License as published by the Free Software Foundation; either 00008 * version 2.1 of the License, or (at your option) any later version. 00009 * 00010 * This library is distributed in the hope that it will be useful, 00011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 * Lesser General Public License for more details. 00014 * 00015 * You should have received a copy of the GNU Lesser General Public 00016 * License along with this library; if not, write to the Free Software 00017 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00018 */ 00019 00020 #ifndef GLUON_CORE_SINGLETON 00021 #define GLUON_CORE_SINGLETON 00022 00023 #include <QtCore/QObject> 00024 00025 namespace GluonCore 00026 { 00027 template <typename T> 00028 class Singleton : public QObject 00029 { 00030 public: 00031 static T* instance() 00032 { 00033 if( !m_instance ) 00034 { 00035 m_instance = new T; 00036 } 00037 return m_instance; 00038 } 00039 00040 protected: 00041 static T* m_instance; 00042 }; 00043 } 00044 00045 #endif //GLUON_CORE_SINGLETON
1.6.3