NAME

       QwtDialSimpleNeedle -

SYNOPSIS

       #include <qwt_dial_needle.h>

       Inherits QwtDialNeedle.

   Public Types
       enum Style { Arrow, Ray }

   Public Member Functions
       QwtDialSimpleNeedle (Style, bool hasKnob=true, const QColor &mid=Qt::gray, const QColor
           &base=Qt::darkGray)
       virtual void draw (QPainter *, const QPoint &, int length, double direction,
           QPalette::ColorGroup=QPalette::Active) const
       void setWidth (int width)
       int width () const

   Static Public Member Functions
       static void drawArrowNeedle (QPainter *, const QPalette &, QPalette::ColorGroup, const
           QPoint &, int length, int width, double direction, bool hasKnob)
       static void drawRayNeedle (QPainter *, const QPalette &, QPalette::ColorGroup, const
           QPoint &, int length, int width, double direction, bool hasKnob)

   Additional Inherited Members

Detailed Description

       A needle for dial widgets.

       The following colors are used:

       • QColorGroup::Mid
          Pointer

       • QColorGroup::base
          Knob

       See also:
           QwtDial, QwtCompass

Constructor & Destructor Documentation

   QwtDialSimpleNeedle::QwtDialSimpleNeedle (Stylestyle, boolhasKnob = true, const QColor &mid =
       Qt::gray, const QColor &base = Qt::darkGray)
       Constructor

       Parameters:
           style Style
           hasKnob With/Without knob
           mid Middle color
           base Base color

Member Function Documentation

   void QwtDialSimpleNeedle::draw (QPainter *painter, const QPoint &center, intlength,
       doubledirection, QPalette::ColorGroupcolorGroup = QPalette::Active) const [virtual]
       Draw the needle

       Parameters:
           painter Painter
           center Center of the dial, start position for the needle
           length Length of the needle
           direction Direction of the needle, in degrees counter clockwise
           colorGroup Color group, used for painting

       Implements QwtDialNeedle.

   void QwtDialSimpleNeedle::drawArrowNeedle (QPainter *painter, const QPalette &palette,
       QPalette::ColorGroupcolorGroup, const QPoint &center, intlength, intwidth,
       doubledirection, boolhasKnob) [static]
       Draw a needle looking like an arrow

       Parameters:
           painter Painter
           palette Palette
           colorGroup Color group
           center center of the needle
           length Length of the needle
           width Width of the needle
           direction Current Direction
           hasKnob With/Without knob

   void QwtDialSimpleNeedle::drawRayNeedle (QPainter *painter, const QPalette &palette,
       QPalette::ColorGroupcolorGroup, const QPoint &center, intlength, intwidth,
       doubledirection, boolhasKnob) [static]
       Draw a needle looking like a ray

       Parameters:
           painter Painter
           palette Palette
           colorGroup Color group
           center center of the needle
           length Length of the needle
           width Width of the needle
           direction Current Direction
           hasKnob With/Without knob

   void QwtDialSimpleNeedle::setWidth (intwidth)
       Set the width of the needle

       Parameters:
           width Width

       See also:
           width()

   int QwtDialSimpleNeedle::width () const
       Returns:
           the width of the needle

       See also:
           setWidth()

Author

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