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/*
JuffEd - An advanced text editor
Copyright 2007-2009 Mikhail Murzin
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
version 2 as published by the Free Software Foundation.
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, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef __JUFF_SETTINGS_ITEM_H__
#define __JUFF_SETTINGS_ITEM_H__
#include "LibConfig.h"
#include <QtCore/QObject>
class LIBJUFF_EXPORT SettingsChangeNotifier : public QObject {
Q_OBJECT
public:
SettingsChangeNotifier();
void notifyHasChanged();
void notifyNoChanged();
signals:
void hasChangedItems(bool);
};
class SettingsItem {
public:
virtual void readValue() = 0;
virtual void writeValue() = 0;
static SettingsChangeNotifier* notifier();
protected:
SettingsItem();
static void oneMoreChanged();
static void oneLessChanged();
private:
static int counter_;
static SettingsChangeNotifier* notifier_;
};
#endif /* __JUFF_SETTINGS_ITEM_H__ */
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