trusty (3) QwtDialSimpleNeedle.3.gz

NAME

       QwtDialSimpleNeedle -

       A needle for dial widgets.

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)
       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 (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::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.

   void QwtDialSimpleNeedle::setWidth (doublewidth) 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

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