QwtDialSimpleNeedle - A needle for dial widgets.

NAME  SYNOPSIS  Public Types  Public Member Functions  Protected Member Functions  Detailed Description  Member Enumeration Documentation  enum QwtDialSimpleNeedle::Style  Constructor & Destructor Documentation  QwtDialSimpleNeedle::QwtDialSimpleNeedle (Style style, bool hasKnob = true,const QColor & mid = Qt::gray, const QColor & base = Qt::darkGray)  Member Function Documentation  void QwtDialSimpleNeedle::drawNeedle (QPainter * painter, double length,QPalette::ColorGroup colorGroup) const [override], [protected],[virtual]  void QwtDialSimpleNeedle::setWidth (double width)  double QwtDialSimpleNeedle::width () const  Author 

---

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

Public Member Functions inherited from QwtDialNeedle

QwtDialNeedle ()
Constructor.
virtual ˜QwtDialNeedle ()
Destructor.
virtual void setPalette (const QPalette &)
const QPalette & palette () const
virtual void draw (QPainter *, const QPointF &center, double length, double direction, QPalette::ColorGroup=QPalette::Active) const

Protected Member Functions

virtual void drawNeedle (QPainter *, double length, QPalette::ColorGroup) const override

Protected Member Functions inherited from QwtDialNeedle

virtual void drawKnob (QPainter *, double width, const QBrush &, bool sunken) const
Draw the knob.

Detailed Description

A needle for dial widgets.

The following colors are used:

•

QPalette::Mid

Pointer

•

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.

---