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# qspinbox.h

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

    /****************************************************************************
    ** $Id: qt/src/widgets/qspinbox.h   2.3.1   edited 2001-01-26 $
    **
    ** Definition of QSpinBox widget class
    **
    ** Created : 1997
    **
    ** 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
    ** not clear to you.
    **
    **********************************************************************/

    #ifndef QSPINBOX_H
    #define QSPINBOX_H

    #ifndef QT_H
    #include "qframe.h"
    #include "qrangecontrol.h"
    #endif // QT_H

    #ifndef QT_NO_SPINBOX

    class QPushButton;
    class QLineEdit;
    class QValidator;

    struct QSpinBoxPrivate;

    class Q_EXPORT QSpinBox: public QFrame, public QRangeControl
    {
        Q_OBJECT
        Q_ENUMS( ButtonSymbols )
        Q_PROPERTY( QString text READ text )
        Q_PROPERTY( QString prefix READ prefix WRITE setPrefix )
        Q_PROPERTY( QString suffix READ suffix WRITE setSuffix )
        Q_PROPERTY( QString cleanText READ cleanText )
        Q_PROPERTY( QString specialValueText READ specialValueText WRITE setSpecialValueText )
        Q_PROPERTY( bool wrapping READ wrapping WRITE setWrapping )
        Q_PROPERTY( ButtonSymbols buttonSymbols READ buttonSymbols WRITE setButtonSymbols )
        Q_PROPERTY( int maxValue READ maxValue WRITE setMaxValue )
        Q_PROPERTY( int minValue READ minValue WRITE setMinValue )
        Q_PROPERTY( int lineStep READ lineStep WRITE setLineStep )
        Q_PROPERTY( int value READ value WRITE setValue )

    public:
        QSpinBox( QWidget* parent = 0, const char *name = 0 );
        QSpinBox( int minValue, int maxValue, int step = 1,
                  QWidget* parent = 0, const char* name = 0 );
        ~QSpinBox();

        QString             text() const;

        virtual QString     prefix() const;
        virtual QString     suffix() const;
        virtual QString     cleanText() const;

        virtual void        setSpecialValueText( const QString &text );
        QString             specialValueText() const;

        virtual void        setWrapping( bool on );
        bool                wrapping() const;

        enum ButtonSymbols { UpDownArrows, PlusMinus };
        void                setButtonSymbols( ButtonSymbols ); // 3.0: virtual
        ButtonSymbols       buttonSymbols() const;

        virtual void        setValidator( const QValidator* v );
        const QValidator * validator() const;

        QSize               sizeHint() const;
        QSizePolicy         sizePolicy() const;

        int  minValue() const;
        int  maxValue() const;
        void setMinValue( int );
        void setMaxValue( int );
        int  lineStep() const;
        void setLineStep( int );
        int  value() const;

    public slots:
        virtual void        setValue( int value );
        virtual void        setPrefix( const QString &text );
        virtual void        setSuffix( const QString &text );
        virtual void        stepUp();
        virtual void        stepDown();
        virtual void        setEnabled( bool );

    signals:
        void                valueChanged( int value );
        void                valueChanged( const QString &valueText );

    protected:
        virtual QString     mapValueToText( int value );
        virtual int         mapTextToValue( bool* ok );
        QString             currentValueText();

        virtual void        updateDisplay();
        virtual void        interpretText();

        QPushButton*        upButton() const;
        QPushButton*        downButton() const;
        QLineEdit*          editor() const;

        virtual void        valueChange();
        virtual void        rangeChange();

        bool                eventFilter( QObject* obj, QEvent* ev );
        void                resizeEvent( QResizeEvent* ev );
        void                wheelEvent( QWheelEvent * );
        void                leaveEvent( QEvent* );

        void                styleChange( QStyle& );

    protected slots:
        void                textChanged();

    private:
        void initSpinBox();
        struct QSpinBoxPrivate* d;
        QPushButton* up;
        QPushButton* down;
        QLineEdit* vi;
        QValidator* validate;
        QString pfix;
        QString sfix;
        QString specText;
        bool wrap;
        bool edited;

        void arrangeWidgets();
        void updateButtonSymbols();

    private:        // Disabled copy constructor and operator=
    #if defined(Q_DISABLE_COPY)
        QSpinBox( const QSpinBox& );
        QSpinBox& operator=( const QSpinBox& );
    #endif

    };

    #endif // QT_NO_SPINBOX

    #endif // QSPINBOX_H