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qspinbox.h

/****************************************************************************
** $Id: qt/src/widgets/qspinbox.h   2.2.1   edited 2000-08-25 $
**
** 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_COMPLEXWIDGETS


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 minValue READ minValue WRITE setMinValue )
    Q_PROPERTY( int maxValue READ maxValue WRITE setMaxValue )
    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_COMPLEXWIDGETS

#endif // QSPINBOX_H