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# qsettings.h

This is the verbatim text of the qsettings.h include file. It is provided only for illustration; the copyright remains with Trolltech.

    /****************************************************************************
    ** $Id: qt/qsettings.h   3.3.4   edited May 27 2003 $
    **
    ** Definition of QSettings class
    **
    ** Created : 000626
    **
    ** Copyright (C) 2000-2002 Trolltech AS.  All rights reserved.
    **
    ** This file is part of the tools module of the Qt GUI Toolkit.
    **
    ** This file may be distributed under the terms of the Q Public License
    ** as defined by Trolltech AS of Norway and appearing in the file
    ** LICENSE.QPL included in the packaging of this file.
    **
    ** This file may be distributed and/or modified under the terms of the
    ** GNU General Public License version 2 as published by the Free Software
    ** Foundation and appearing in the file LICENSE.GPL included in the
    ** packaging of this file.
    **
    ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
    ** licenses may use this file in accordance with the Qt Commercial License
    ** Agreement provided with the Software.
    **
    ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
    ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
    **
    ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
    **   information about Qt Commercial License Agreements.
    ** See http://www.trolltech.com/qpl/ for QPL licensing information.
    ** See http://www.trolltech.com/gpl/ for GPL licensing information.
    **
    ** Contact info@trolltech.com if any conditions of this licensing are
    ** not clear to you.
    **
    **********************************************************************/

    #ifndef QSETTINGS_H
    #define QSETTINGS_H

    #ifndef QT_H
    #include "qdatetime.h"
    #include "qstringlist.h"
    #endif // QT_H

    #ifndef QT_NO_SETTINGS

    class QSettingsPrivate;

    class Q_EXPORT QSettings
    {
    public:
        enum Format {
    	Native = 0,
    	Ini
        };
        enum System {
    	Unix = 0,
    	Windows,
    	Mac
        };
        enum Scope {
    	User,
    	Global
        };

        QSettings();
        QSettings( Format format );

        ~QSettings();

    #if !defined(Q_NO_BOOL_TYPE)
        bool	writeEntry( const QString &, bool );
    #endif
        bool	writeEntry( const QString &, double );
        bool	writeEntry( const QString &, int );
        bool	writeEntry( const QString &, const char * );
        bool	writeEntry( const QString &, const QString & );
        bool	writeEntry( const QString &, const QStringList & );
        bool	writeEntry( const QString &, const QStringList &, const QChar& sep );

        QStringList entryList(const QString &) const;
        QStringList subkeyList(const QString &) const;

        //### remove non const versions in 4.0
        QStringList readListEntry( const QString &, bool * = 0 );
        QStringList readListEntry( const QString &, const QChar& sep, bool * = 0 );
        QString	readEntry( const QString &, const QString &def = QString::null, bool * = 0 );
        int		readNumEntry( const QString &, int def = 0, bool * = 0 );
        double	readDoubleEntry( const QString &, double def = 0, bool * = 0 );
        bool	readBoolEntry( const QString &, bool def = FALSE, bool * = 0 );

        //### make those non-inlined in 4.0
        QStringList readListEntry( const QString &key, bool *ok = 0 ) const
        {
    	QSettings *that = (QSettings*)this;
    	return that->readListEntry( key, ok );
        }
        QStringList readListEntry( const QString &key, const QChar& sep, bool *ok = 0 ) const
        {
    	QSettings *that = (QSettings*)this;
    	return that->readListEntry( key, sep, ok );
        }
        QString	readEntry( const QString &key, const QString &def = QString::null,
    			   bool *ok = 0 ) const
        {
    	QSettings *that = (QSettings*)this;
    	return that->readEntry( key, def, ok );
        }
        int		readNumEntry( const QString &key, int def = 0, bool *ok = 0 ) const
        {
    	QSettings *that = (QSettings*)this;
    	return that->readNumEntry( key, def, ok );
        }

        double	readDoubleEntry( const QString &key, double def = 0, bool *ok = 0 ) const
        {
    	QSettings *that = (QSettings*)this;
    	return that->readDoubleEntry( key, def, ok );
        }
        bool	readBoolEntry( const QString &key, bool def = FALSE, bool *ok = 0 ) const
        {
    	QSettings *that = (QSettings*)this;
    	return that->readBoolEntry( key, def, ok );
        }

        bool	removeEntry( const QString & );

        void insertSearchPath( System, const QString & );
        void removeSearchPath( System, const QString & );

        void setPath( const QString &domain, const QString &product, Scope = Global );

        void beginGroup( const QString &group );
        void endGroup();
        void resetGroup();
        QString group() const;

        bool sync();

    private:
        QSettingsPrivate *d;

    #if defined(Q_DISABLE_COPY)
        QSettings(const QSettings &);
        QSettings &operator=(const QSettings &);
    #endif

        QDateTime lastModificationTime( const QString & );

        friend class QApplication;
    };

    #endif // QT_NO_SETTINGS
    #endif // QSETTINGS_H