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ledmeter.h Example File
graphicsview/portedasteroids/ledmeter.h

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    ** Copyright (C) 2006-2006 Trolltech ASA. All rights reserved.
    **
    ** This file is part of the example classes of the Qt Toolkit.
    **
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    ** License version 2.0 as published by the Free Software Foundation
    ** and appearing in the file LICENSE.GPL included in the packaging of
    ** this file.  Please review the following information to ensure GNU
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    /*
     * KAsteroids - Copyright (c) Martin R. Jones 1997
     *
     * Part of the KDE project
     */

    #ifndef __LEDMETER_H__
    #define __LEDMETER_H__

    #include <q3frame.h>
    #include <q3ptrlist.h>
    //Added by qt3to4:
    #include <QResizeEvent>

    class KALedMeter : public Q3Frame
    {
        Q_OBJECT
    public:
        KALedMeter( QWidget *parent );

        int range() const { return mRange; }
        void setRange( int r );

        int count() const { return mCount; }
        void setCount( int c );

        int value () const { return mValue; }

        void addColorRange( int pc, const QColor &c );

    public slots:
        void setValue( int v );

    protected:
        virtual void resizeEvent( QResizeEvent * );
        virtual void drawContents( QPainter * );
        void calcColorRanges();

    protected:
        struct ColorRange
        {
            int mPc;
            int mValue;
            QColor mColor;
        };

        int mRange;
        int mCount;
        int mCurrentCount;
        int mValue;
        Q3PtrList<ColorRange> mCRanges;
    };

    #endif


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Qt 4.2.0-snapshot-20060701