A magnet needle for compass widgets. More...

Inheritance diagram for QwtCompassMagnetNeedle:

Public Types
enum	Style { TriangleStyle , ThinStyle }
	Style of the needle . More...

Public Member Functions
	QwtCompassMagnetNeedle (Style=TriangleStyle, const QColor &light=Qt::white, const QColor &dark=Qt::red)
	Constructor.

Public Member Functions inherited from QwtDialNeedle
	QwtDialNeedle ()
	Constructor.

virtual	~QwtDialNeedle ()
	Destructor.

virtual void	setPalette (const QPalette &)
	Set the palette for the needle.

const QPalette &	palette () const
	Return the palette of the needle.

virtual void	draw (QPainter *, const QPointF &center, double length, double direction, QPalette::ColorGroup=QPalette::Active) const
	Draw the needle.

Protected Member Functions
virtual void	drawNeedle (QPainter *, double length, QPalette::ColorGroup) const override
	Draw the needle.

Protected Member Functions inherited from QwtDialNeedle
virtual void	drawKnob (QPainter *, double width, const QBrush &, bool sunken) const
	Draw the knob.

Detailed Description

A magnet needle for compass widgets.

Member Enumeration Documentation

Style of the needle .

Enumerator
TriangleStyle	A needle with a triangular shape .
ThinStyle	A thin needle .

QwtCompassMagnetNeedle::QwtCompassMagnetNeedle	(	Style	style = `TriangleStyle`,
		const QColor &	light = `Qt::white`,
		const QColor &	dark = `Qt::red`
	)

Constructor.

void QwtCompassMagnetNeedle::drawNeedle	(	QPainter *	painter,
		double	length,
		QPalette::ColorGroup	colorGroup
	)		const

overrideprotectedvirtual

Draw the needle.

Parameters

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

The documentation for this class was generated from the following files: