qlcdnumber.h Include File

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# qlcdnumber.h

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

    /****************************************************************************
    ** $Id:  qt/qlcdnumber.h   3.0.3   edited Oct 12 12:18 $
    **
    ** Definition of QLCDNumber class
    **
    ** Created : 940518
    **
    ** 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 QLCDNUMBER_H
    #define QLCDNUMBER_H

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

    #ifndef QT_NO_LCDNUMBER

    class QLCDNumberPrivate;

    class Q_EXPORT QLCDNumber : public QFrame		// LCD number widget
    {
        Q_OBJECT
        Q_ENUMS( Mode SegmentStyle )
        Q_PROPERTY( bool smallDecimalPoint READ smallDecimalPoint WRITE setSmallDecimalPoint )
        Q_PROPERTY( int numDigits READ numDigits WRITE setNumDigits )
        Q_PROPERTY( Mode mode READ mode WRITE setMode )
        Q_PROPERTY( SegmentStyle segmentStyle READ segmentStyle WRITE setSegmentStyle )
        Q_PROPERTY( double value READ value WRITE display )
        Q_PROPERTY( int intValue READ intValue WRITE display )

    public:
        QLCDNumber( QWidget* parent=0, const char* name=0 );
        QLCDNumber( uint numDigits, QWidget* parent=0, const char* name=0 );
        ~QLCDNumber();

        enum Mode { Hex, Dec, Oct, Bin, HEX = Hex, DEC = Dec, OCT = Oct,
    		BIN = Bin };
        enum SegmentStyle { Outline, Filled, Flat };

        bool    smallDecimalPoint() const;

        int	    numDigits() const;
        virtual void setNumDigits( int nDigits );

        bool    checkOverflow( double num ) const;
        bool    checkOverflow( int	  num ) const;

        Mode mode() const;
        virtual void setMode( Mode );

        SegmentStyle segmentStyle() const;
        virtual void setSegmentStyle( SegmentStyle );

        double  value() const;
        int	    intValue() const;

        QSize sizeHint() const;

    public slots:
        void    display( const QString &str );
        void    display( int num );
        void    display( double num );
        virtual void setHexMode();
        virtual void setDecMode();
        virtual void setOctMode();
        virtual void setBinMode();
        virtual void setSmallDecimalPoint( bool );

    signals:
        void    overflow();

    protected:
        void    drawContents( QPainter * );

    private:
        void    init();
        void    internalDisplay( const QString &);
        void    internalSetString( const QString& s );
        void    drawString( const QString& s, QPainter &, QBitArray * = 0,
    			bool = TRUE );
        //void    drawString( const QString &, QPainter &, QBitArray * = 0 ) const;
        void    drawDigit( const QPoint &, QPainter &, int, char,
    		       char = ' ' );
        void    drawSegment( const QPoint &, char, QPainter &, int, bool = FALSE );

        int	    ndigits;
        double  val;
        uint    base	: 2;
        uint    smallPoint	: 1;
        uint    fill	: 1;
        uint    shadow	: 1;
        QString digitStr;
        QBitArray points;
        QLCDNumberPrivate * d;

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

    inline bool QLCDNumber::smallDecimalPoint() const
    { return (bool)smallPoint; }

    inline int QLCDNumber::numDigits() const
    { return ndigits; }

    #endif // QT_NO_LCDNUMBER

    #endif // QLCDNUMBER_H