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

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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