A compass rose with a wind-direction arrow. More...

Inheritance diagram for makVrv::DtWindDirectionDialWidget:

Public Types
enum	BackGroundType { TICKS, ROSE }
enum	NeedleType { ARROW, FULLARROW, LINE }

Public Slots
void	setDirection (int degrees)
	Set the direction.
void	setDirection (double degrees)
	Set the direction as a double value.

Signals
void	directionChanged (int)
	Signal emitted when the direction changed.
void	directionChanged (double)
	Signal emitted when the direction changed.

Public Member Functions
	DtWindDirectionDialWidget (QWidget *parent=NULL)
	CTOR.
virtual	~DtWindDirectionDialWidget ()
	virtual DTOR
virtual void	setBackGround (BackGroundType type)
	Set the background for the compass.
virtual BackGroundType	backGround () const
	Get the background for the compass.
virtual void	setNeedle (NeedleType type)
	Set the needle for the compass.
virtual NeedleType	needle () const
	Get the needle for the compass.
int	direction () const
	Get the direction.
double	directionF () const
	Get the direction as a double value.

Protected Slots
void	onValueChanged (int val)
	Convert the base class value to a direction (180 degree change).

Protected Member Functions
virtual void	paintEvent (QPaintEvent *event)
	Override the paint event to draw the widget.
virtual void	resizeEvent (QResizeEvent *event)
	Override the resize event to change how the widget is displayed.
virtual void	drawCompass (QPainter &painter, QRectF &rect)
	Utility function to draw the compass background.
virtual void	drawCompassTick (QPainter &painter)
	Utility function to draw the compass tick.
virtual void	drawHeadingNorth (QPainter &painter)
	Utility function to draw the letter N.
virtual void	drawDirection (QPainter &painter, QRectF &rect)
	Utility function to draw the direction from.
virtual void	drawNeedle (QPainter &painter)
	Utility function to draw the needle.

Protected Attributes
BackGroundType	myBackGroundType
NeedleType	myNeedleType
double	myRemainder

Private Member Functions
int	convert (int val) const
	Utility to convert from base class value to direction and back.

Detailed Description

A compass rose with a wind-direction arrow.

Member Enumeration Documentation

enum makVrv::DtWindDirectionDialWidget::BackGroundType

Enumerator:

TICKS
ROSE

enum makVrv::DtWindDirectionDialWidget::NeedleType

Enumerator:

ARROW
FULLARROW
LINE

Constructor & Destructor Documentation

makVrv::DtWindDirectionDialWidget::DtWindDirectionDialWidget ( QWidget * parent = NULL )

CTOR.

Parameters

[in] parent is the parent to manage this widget.

virtual makVrv::DtWindDirectionDialWidget::~DtWindDirectionDialWidget ( )

virtual

virtual DTOR

Member Function Documentation

virtual void makVrv::DtWindDirectionDialWidget::setBackGround ( BackGroundType type )

virtual

Set the background for the compass.

Parameters

[in] type is the type of background, default TICKS.

virtual BackGroundType makVrv::DtWindDirectionDialWidget::backGround ( ) const

virtual

Get the background for the compass.

Returns: the type of background.

virtual void makVrv::DtWindDirectionDialWidget::setNeedle ( NeedleType type )

virtual

Set the needle for the compass.

Parameters

[in] type is the type of needle, default ARROW.

virtual NeedleType makVrv::DtWindDirectionDialWidget::needle ( ) const

virtual

Get the needle for the compass.

Returns: the type of needle.

int makVrv::DtWindDirectionDialWidget::direction ( ) const

Get the direction.

Returns: the direction.

Note: Converts the base class value to direction (180 degree change).

double makVrv::DtWindDirectionDialWidget::directionF ( ) const

Get the direction as a double value.

Returns: the direction.

Note: Converts the base class value to direction (180 degree change).

void makVrv::DtWindDirectionDialWidget::directionChanged ( int )

signal

Signal emitted when the direction changed.

void makVrv::DtWindDirectionDialWidget::directionChanged ( double )

signal

Signal emitted when the direction changed.

void makVrv::DtWindDirectionDialWidget::setDirection ( int degrees )

slot

Set the direction.

Parameters

[in] degrees is the new direction (wrapped to range 0-359).

Note: Does not emit any signals.

void makVrv::DtWindDirectionDialWidget::setDirection ( double degrees )

slot

Set the direction as a double value.

Parameters

[in] degrees is the new direction (wrapped to range 0-359).

Note: Does not emit any signals.

void makVrv::DtWindDirectionDialWidget::onValueChanged ( int val )

protectedslot

Convert the base class value to a direction (180 degree change).

Note: Emits directionChanged(int) signal.

virtual void makVrv::DtWindDirectionDialWidget::paintEvent ( QPaintEvent * event )

protectedvirtual

Override the paint event to draw the widget.

Parameters

[in] event is the current paint event.

virtual void makVrv::DtWindDirectionDialWidget::resizeEvent ( QResizeEvent * event )

protectedvirtual

Override the resize event to change how the widget is displayed.

Parameters

[in] event is the resize event event.

virtual void makVrv::DtWindDirectionDialWidget::drawCompass	(	QPainter &	painter,
		QRectF &	rect
	)

protectedvirtual

Utility function to draw the compass background.

Parameters

[in]	painter	is the painter to use for drawing.
[in]	rect	is the rectangular space to draw in.

virtual void makVrv::DtWindDirectionDialWidget::drawCompassTick ( QPainter & painter )

protectedvirtual

Utility function to draw the compass tick.

Parameters

[in] painter is the painter to use for drawing.

virtual void makVrv::DtWindDirectionDialWidget::drawHeadingNorth ( QPainter & painter )

protectedvirtual

Utility function to draw the letter N.

Parameters

[in] painter is the painter to use for drawing.

virtual void makVrv::DtWindDirectionDialWidget::drawDirection	(	QPainter &	painter,
		QRectF &	rect
	)

protectedvirtual

Utility function to draw the direction from.

Parameters

[in]	painter	is the painter to use for drawing.
[in]	rect	is the rectangular space to draw in.

virtual void makVrv::DtWindDirectionDialWidget::drawNeedle ( QPainter & painter )

protectedvirtual

Utility function to draw the needle.

Parameters

[in] painter is the painter to use for drawing.

int makVrv::DtWindDirectionDialWidget::convert ( int val ) const

private

Utility to convert from base class value to direction and back.

Parameters

[in] val is value to convert.

Returns: the converted value.

Note: Base class value is zero at bottom of dial, this conversion is used to make zero the top of the dial (North).

Member Data Documentation

BackGroundType makVrv::DtWindDirectionDialWidget::myBackGroundType

protected

NeedleType makVrv::DtWindDirectionDialWidget::myNeedleType

protected

double makVrv::DtWindDirectionDialWidget::myRemainder

protected

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

/exports/nfedora7-1/nightly/docs/vrforcesDevelopment.vrf4-3-branch/include/vrvCoreQt/DtWindDirectionDialWidget.h

Public Types

Public Slots

Signals

Public Member Functions

Protected Slots

Protected Member Functions

Protected Attributes

Private Member Functions

Detailed Description

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation