QwtDialSimpleNeedle(3)         Qwt User's Guide         QwtDialSimpleNeedle(3)

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 override

Detailed Description
       A needle for dial widgets.

       The following colors are used:

       o QPalette::Mid
          Pointer

       o QPalette::Base
          Knob

       See also
           QwtDial, QwtCompass

       Definition at line 81 of file qwt_dial_needle.h.

Member Enumeration Documentation
   enum QwtDialSimpleNeedle::Style
       Style of the needle.

       Enumerator

       Arrow  Arrow.

       Ray    A straight line from the center.

       Definition at line 85 of file qwt_dial_needle.h.

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

       Definition at line 273 of file qwt_dial_needle.cpp.

Member Function Documentation
   void QwtDialSimpleNeedle::drawNeedle (QPainter * painter, double length,
       QPalette::ColorGroup colorGroup) const [override],  [protected],
       [virtual]
       Draw the needle

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

       Implements QwtDialNeedle.

       Definition at line 312 of file qwt_dial_needle.cpp.

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

       Parameters
           width Width

       See also
           width()

       Definition at line 291 of file qwt_dial_needle.cpp.

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

       See also
           setWidth()

       Definition at line 300 of file qwt_dial_needle.cpp.


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

Version 6.2.0                   Sun Jul 18 2021         QwtDialSimpleNeedle(3)