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NAME

       QwtCompassMagnetNeedle -

       A magnet needle for compass widgets.

SYNOPSIS

       #include <qwt_dial_needle.h>

       Inherits QwtDialNeedle.

   Public Types
       enum Style { TriangleStyle, ThinStyle }

   Public Member Functions
       QwtCompassMagnetNeedle (Style=TriangleStyle, const QColor &light=Qt::white, const QColor
           &dark=Qt::red)

   Protected Member Functions
       virtual void drawNeedle (QPainter *, double length, QPalette::ColorGroup) const

Detailed Description

       A magnet needle for compass widgets.

       A magnet needle points to two opposite directions indicating north and south.

       The following colors are used:

       · QPalette::Light
          Used for pointing south

       · QPalette::Dark
          Used for pointing north

       · QPalette::Base
          Knob (ThinStyle only)

       See also:
           QwtDial, QwtCompass

Member Enumeration Documentation

   enum QwtCompassMagnetNeedle::Style
       Style of the needle.

       Enumerator:

       TriangleStyle
              A needle with a triangular shape.

       ThinStyle
              A thin needle.

Constructor & Destructor Documentation

   QwtCompassMagnetNeedle::QwtCompassMagnetNeedle (Stylestyle = TriangleStyle, const QColor
       &light = Qt::white, const QColor &dark = Qt::red)
       Constructor.

Member Function Documentation

   void QwtCompassMagnetNeedle::drawNeedle (QPainter *painter, doublelength,
       QPalette::ColorGroupcolorGroup) const [protected, virtual] Draw the needle
       Parameters:
           painter Painter
           length Length of the needle
           colorGroup Color group, used for painting

       Implements QwtDialNeedle.

Author

       Generated automatically by Doxygen for Qwt User's Guide from the source code.