1 /* 2 * Copyright (C) 2011 Nicolas Bonnefon and other contributors 3 * 4 * This file is part of glogg. 5 * 6 * glogg is free software: you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation, either version 3 of the License, or 9 * (at your option) any later version. 10 * 11 * glogg is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with glogg. If not, see <http://www.gnu.org/licenses/>. 18 */ 19 20 #ifndef PERSISTABLE_H 21 #define PERSISTABLE_H 22 23 class QSettings; 24 25 // Must be implemented by classes which could be saved to persistent 26 // storage by PersistentInfo. 27 class Persistable { 28 public: ~Persistable()29 virtual ~Persistable() {} 30 31 // Must be implemented to save/retrieve from Qt Settings 32 virtual void saveToStorage( QSettings& settings ) const = 0; 33 virtual void retrieveFromStorage( QSettings& settings ) = 0; 34 }; 35 36 #endif 37