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# qvalidator.h

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

    /****************************************************************************
    ** $Id: qt/qvalidator.h   3.2.3   edited May 13 09:08 $
    **
    ** Definition of validator classes
    **
    ** Created : 970610
    **
    ** Copyright (C) 1992-2000 Trolltech AS.  All rights reserved.
    **
    ** This file is part of the widgets 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
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    **********************************************************************/

    #ifndef QVALIDATOR_H
    #define QVALIDATOR_H

    #ifndef QT_H
    #include "qobject.h"
    #include "qstring.h" // char*->QString conversion
    #include "qregexp.h" // QString->QRegExp conversion
    #endif // QT_H

    #ifndef QT_NO_VALIDATOR

    class Q_EXPORT QValidator : public QObject
    {
        Q_OBJECT
    public:
        QValidator( QObject * parent, const char *name = 0 );
        ~QValidator();

        enum State { Invalid, Intermediate, Valid=Intermediate, Acceptable };

        virtual State validate( QString &, int & ) const = 0;
        virtual void fixup( QString & ) const;

    private:
    #if defined(Q_DISABLE_COPY)
        QValidator( const QValidator & );
        QValidator& operator=( const QValidator & );
    #endif
    };

    class Q_EXPORT QIntValidator : public QValidator
    {
        Q_OBJECT
        Q_PROPERTY( int bottom READ bottom WRITE setBottom )
        Q_PROPERTY( int top READ top WRITE setTop )

    public:
        QIntValidator( QObject * parent, const char *name = 0 );
        QIntValidator( int bottom, int top,
    		   QObject * parent, const char *name = 0 );
        ~QIntValidator();

        QValidator::State validate( QString &, int & ) const;

        void setBottom( int );
        void setTop( int );
        virtual void setRange( int bottom, int top );

        int bottom() const { return b; }
        int top() const { return t; }

    private:
    #if defined(Q_DISABLE_COPY)
        QIntValidator( const QIntValidator & );
        QIntValidator& operator=( const QIntValidator & );
    #endif

        int b, t;
    };

    #ifndef QT_NO_REGEXP

    class Q_EXPORT QDoubleValidator : public QValidator
    {
        Q_OBJECT
        Q_PROPERTY( double bottom READ bottom WRITE setBottom )
        Q_PROPERTY( double top READ top WRITE setTop )
        Q_PROPERTY( int decimals READ decimals WRITE setDecimals )

    public:
        QDoubleValidator( QObject * parent, const char *name = 0 );
        QDoubleValidator( double bottom, double top, int decimals,
    		      QObject * parent, const char *name = 0 );
        ~QDoubleValidator();

        QValidator::State validate( QString &, int & ) const;

        virtual void setRange( double bottom, double top, int decimals = 0 );
        void setBottom( double );
        void setTop( double );
        void setDecimals( int );

        double bottom() const { return b; }
        double top() const { return t; }
        int decimals() const { return d; }

    private:
    #if defined(Q_DISABLE_COPY)
        QDoubleValidator( const QDoubleValidator & );
        QDoubleValidator& operator=( const QDoubleValidator & );
    #endif

        double b, t;
        int d;
    };

    class Q_EXPORT QRegExpValidator : public QValidator
    {
        Q_OBJECT
        // Q_PROPERTY( QRegExp regExp READ regExp WRITE setRegExp )

    public:
        QRegExpValidator( QObject *parent, const char *name = 0 );
        QRegExpValidator( const QRegExp& rx, QObject *parent,
    		      const char *name = 0 );
        ~QRegExpValidator();

        virtual QValidator::State validate( QString& input, int& pos ) const;

        void setRegExp( const QRegExp& rx );
        const QRegExp& regExp() const { return r; }

    private:
    #if defined(Q_DISABLE_COPY)
        QRegExpValidator( const QRegExpValidator& );
        QRegExpValidator& operator=( const QRegExpValidator& );
    #endif

        QRegExp r;
    };
    #endif // QT_NO_REGEXP

    #endif // QT_NO_VALIDATOR

    #endif // QVALIDATOR_H