Provided by: libqwt-doc_6.1.4-2build2_all 

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
Generated automatically by Doxygen for Qwt User's Guide from the source code.
Version 6.1.4 Wed Jan 2 2019 QwtDialSimpleNeedle(3)