autosaver.h
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- /****************************************************************************
- **
- ** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
- ** Contact: Qt Software Information (qt-info@nokia.com)
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- ** This file is part of the demonstration applications of the Qt Toolkit.
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- ** GNU General Public License Usage
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- ** General Public License versions 2.0 or 3.0 as published by the Free
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- #ifndef AUTOSAVER_H
- #define AUTOSAVER_H
- #include <QtCore/QObject>
- #include <QtCore/QBasicTimer>
- #include <QtCore/QTime>
- /*
- This class will call the save() slot on the parent object when the parent changes.
- It will wait several seconds after changed() to combining multiple changes and
- prevent continuous writing to disk.
- */
- class AutoSaver : public QObject {
- Q_OBJECT
- public:
- AutoSaver(QObject *parent);
- ~AutoSaver();
- void saveIfNeccessary();
- public slots:
- void changeOccurred();
- protected:
- void timerEvent(QTimerEvent *event);
- private:
- QBasicTimer m_timer;
- QTime m_firstChange;
- };
- #endif // AUTOSAVER_H