/****************************************************************************

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** contained in the Technology Preview License Agreement accompanying

** this package.

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** General Public License version 2.1 as published by the Free Software

** Foundation and appearing in the file LICENSE.LGPL included in the

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****************************************************************************/

#ifndef QVALIDATOR_H

#define QVALIDATOR_H

#include <QtCore/qobject.h>

#include <QtCore/qstring.h>

#include <QtCore/qregexp.h>

#include <QtCore/qlocale.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Gui)

#ifndef QT_NO_VALIDATOR

class QValidatorPrivate;

class Q_GUI_EXPORT QValidator : public QObject

{

    Q_OBJECT

public:

    explicit QValidator(QObject * parent = 0);

    ~QValidator();

    enum State {

        Invalid,

        Intermediate,

        Acceptable

#if defined(QT3_SUPPORT) && !defined(Q_MOC_RUN)

        , Valid = Intermediate

#endif

    };

    void setLocale(const QLocale &locale);

    QLocale locale() const;

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

    virtual void fixup(QString &) const;

#ifdef QT3_SUPPORT

public:

    QT3_SUPPORT_CONSTRUCTOR QValidator(QObject * parent, const char *name);

#endif

protected:

    QValidator(QObjectPrivate &d, QObject *parent);

    QValidator(QValidatorPrivate &d, QObject *parent);

private:

    Q_DISABLE_COPY(QValidator)

    Q_DECLARE_PRIVATE(QValidator)

};

class Q_GUI_EXPORT QIntValidator : public QValidator

{

    Q_OBJECT

    Q_PROPERTY(int bottom READ bottom WRITE setBottom)

    Q_PROPERTY(int top READ top WRITE setTop)

public:

    explicit QIntValidator(QObject * parent = 0);

    QIntValidator(int bottom, int top, QObject * parent);

    ~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; }

#ifdef QT3_SUPPORT

public:

    QT3_SUPPORT_CONSTRUCTOR QIntValidator(QObject * parent, const char *name);

    QT3_SUPPORT_CONSTRUCTOR QIntValidator(int bottom, int top, QObject * parent, const char *name);

#endif

private:

    Q_DISABLE_COPY(QIntValidator)

    int b;

    int t;

};

#ifndef QT_NO_REGEXP

class QDoubleValidatorPrivate;

class Q_GUI_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)

    Q_PROPERTY(Notation notation READ notation WRITE setNotation)

public:

    explicit QDoubleValidator(QObject * parent);

    QDoubleValidator(double bottom, double top, int decimals, QObject * parent);

    ~QDoubleValidator();

    enum Notation {

        StandardNotation,

        ScientificNotation

    };

    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);

    void setNotation(Notation);

    double bottom() const { return b; }

    double top() const { return t; }

    int decimals() const { return dec; }

    Notation notation() const;

#ifdef QT3_SUPPORT

public:

    QT3_SUPPORT_CONSTRUCTOR QDoubleValidator(QObject * parent, const char *name);

    QT3_SUPPORT_CONSTRUCTOR QDoubleValidator(double bottom, double top, int decimals,

                                           QObject * parent, const char *name);

#endif

private:

    Q_DECLARE_PRIVATE(QDoubleValidator)

    Q_DISABLE_COPY(QDoubleValidator)

    double b;

    double t;

    int dec;

};

class Q_GUI_EXPORT QRegExpValidator : public QValidator

{

    Q_OBJECT

    Q_PROPERTY(QRegExp regExp READ regExp WRITE setRegExp)

public:

    explicit QRegExpValidator(QObject *parent);

    QRegExpValidator(const QRegExp& rx, QObject *parent);

    ~QRegExpValidator();

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

    void setRegExp(const QRegExp& rx);

    const QRegExp& regExp() const { return r; } // ### make inline for 5.0

#ifdef QT3_SUPPORT

public:

    QT3_SUPPORT_CONSTRUCTOR QRegExpValidator(QObject *parent, const char *name);

    QT3_SUPPORT_CONSTRUCTOR QRegExpValidator(const QRegExp& rx, QObject *parent, const char *name);

#endif

private:

    Q_DISABLE_COPY(QRegExpValidator)

    QRegExp r;

};

#endif // QT_NO_REGEXP

#endif // QT_NO_VALIDATOR

QT_END_NAMESPACE

QT_END_HEADER

#endif // QVALIDATOR_H