NAME

       QwtDialSimpleNeedle - A needle for dial widgets.

SYNOPSIS

       #include <qwt_dial_needle.h>

       Inherits QwtDialNeedle.

   Public Types
       enum Style { Arrow, Ray }
           Style of the needle.

   Public Member Functions
       QwtDialSimpleNeedle (Style, bool hasKnob=true, const QColor &mid=Qt::gray, const QColor
           &base=Qt::darkGray)
       void setWidth (double width)
       double width () const

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

Detailed Description

       A needle for dial widgets.

       The following colors are used:

       • QPalette::Mid
          Pointer

       • QPalette::Base
          Knob

       See also:
           QwtDial, QwtCompass

Member Enumeration Documentation

   enum QwtDialSimpleNeedle::Style
       Style of the needle.

       Enumerator

       Arrow  Arrow.

       Ray    A straight line from the center.

Constructor & Destructor Documentation

   QwtDialSimpleNeedle::QwtDialSimpleNeedle (Style style, bool hasKnob = 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::drawNeedle (QPainter * painter, double length, QPalette::ColorGroup
       colorGroup) const [protected],  [virtual]
       Draw the needle

       Parameters:
           painter Painter
           length Length of the needle
           colorGroup Color group, used for painting

       Implements QwtDialNeedle.

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

       Parameters:
           width Width

       See also:
           width()

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

       See also:
           setWidth()

Author

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