QwtDialSimpleNeedle Class Reference

A needle for dial widgets. More...

#include <qwt_dial_needle.h>

Inheritance diagram for QwtDialSimpleNeedle:

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)
	Constructor.
void	setWidth (double width)
	Set the width of the needle.
double	width () const
	Return the width of the needle.
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.
void	setFlatStyle (bool)
	Set flat style.
bool	flatStyle () const
	Return flat style.
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.

Additional Inherited Members
Protected Attributes inherited from QwtDialNeedle
QPalette	m_palette
bool	m_flatStyle

Detailed Description

A needle for dial widgets.

The following colors are used:

• QPalette::Mid: Pointer
• QPalette::Base: Knob

  See also

  QwtDial, QwtCompass

Constructor & Destructor Documentation

QwtDialSimpleNeedle()

QwtDialSimpleNeedle::QwtDialSimpleNeedle	(	Style	style,
		bool	hasKnob = true,
		const QColor &	mid = Qt::gray,
		const QColor &	base = Qt::darkGray
	)

Constructor.

Parameters

[in]	style	Style
[in]	hasKnob	With/Without knob
[in]	mid	Middle color
[in]	base	Base color

Member Function Documentation

drawNeedle()

void QwtDialSimpleNeedle::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

Implements QwtDialNeedle.

setWidth()

void QwtDialSimpleNeedle::setWidth

(

double

width

)

Set the width of the needle.

Parameters

[in]

width

Width

See also

width()

width()

double QwtDialSimpleNeedle::width

(

)

const

Return the width of the needle.

Returns

Width of the needle

See also

setWidth()

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

• /home/runner/work/QWT/QWT/src/plot/qwt_dial_needle.h
• /home/runner/work/QWT/QWT/src/plot/qwt_dial_needle.cpp