makVrv::DtWindDirectionWidget Class Reference

A widget for pairing a wind direction dial with a combo box. More...

Inheritance diagram for makVrv::DtWindDirectionWidget:

Public Slots
void	setDirection (int degrees)
	Set the direction.
void	setDirection (double degrees)
	Set the direction as a double value.
void	setCardinalDirection (const QString &dir)
	Set the cardinal direction.

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

Public Member Functions
	DtWindDirectionWidget (QWidget *parent=NULL, Qt::WindowFlags flags=Qt::Widget)
	CTOR.
virtual	~DtWindDirectionWidget ()
	virtual DTOR
Field value setters.
Sets the values of the widget's corresponding fields.
int	direction () const
	Get the direction.
double	directionF () const
	Get the direction as a double value.
QString	cardinalDirection () const
	Get the cardinal direction.
Accessors to the underlying widgets.
Gets the handle to each of the child widgets.
QHBoxLayout *	mainLayout ()
	Get the main layout for this widget.
DtWindDirectionDialWidget *	compassDialWidget ()
	Get the compass-dial for this widget.
QComboBox *	comboboxWidget ()
	Get the combo-box for this widget.

Protected Slots
User input slots.
Slots connected to the signals of the internal widgets.
virtual void	onDialDirectionChanged (double value)
virtual void	onComboBoxIndexChanged (const QString &text)

Protected Member Functions
Event handlers.
Extending base-class event handlers to propagate to children.
virtual void	changeEvent (QEvent *evt)
	Handle the enabled/disabled event.
virtual void	showEvent (QShowEvent *evt)
virtual void	hideEvent (QHideEvent *evt)
	Handle the enabled/disabled event.

Protected Attributes
QHBoxLayout *	myLayout
DtWindDirectionDialWidget *	myDial
QComboBox *	myComboBox
QStringList	myCardinalDirections
QList< double >	myCardinalBounds

Private Member Functions
void	setupGui ()
	Sets up the widget's fields.
void	connectToSignals ()
	Connects widget signals to slots.
QString	makeCardinal (double dir) const
	Utility function to transform a direction into a cardinal value.
double	makeDegrees (const QString &dir) const
	Utility function to transform a cardinal value into a direction.

Detailed Description

A widget for pairing a wind direction dial with a combo box.

The wind direction dial shows the wind direction and the combo box names the cardinal direction (N, E, S, W, etc).

Constructor & Destructor Documentation

makVrv::DtWindDirectionWidget::DtWindDirectionWidget	(	QWidget *	parent = NULL,
		Qt::WindowFlags	flags = Qt::Widget
	)

CTOR.

Parameters

[in]	parent	is the parent to manage this widget.
[in]	flags	is a set of windowing flags for display.

virtual makVrv::DtWindDirectionWidget::~DtWindDirectionWidget ( )

virtual

virtual DTOR

Member Function Documentation

int makVrv::DtWindDirectionWidget::direction

(

)

const

Get the direction.

Returns

the direction as an integer (in degrees).

double makVrv::DtWindDirectionWidget::directionF

(

)

const

Get the direction as a double value.

Returns

the direction as a double (in degrees).

QString makVrv::DtWindDirectionWidget::cardinalDirection

(

)

const

Get the cardinal direction.

Returns

the nearest matched cardinal direction).

QHBoxLayout* makVrv::DtWindDirectionWidget::mainLayout

(

)

Get the main layout for this widget.

returns a handle to the main layout.

DtWindDirectionDialWidget* makVrv::DtWindDirectionWidget::compassDialWidget

(

)

Get the compass-dial for this widget.

returns a handle to the compass-dial.

QComboBox* makVrv::DtWindDirectionWidget::comboboxWidget

(

)

Get the combo-box for this widget.

returns a handle to the combo-box.

void makVrv::DtWindDirectionWidget::directionChanged ( int  )

signal

Signal emitted when the direction changed.

void makVrv::DtWindDirectionWidget::directionChanged ( double  )

signal

Signal emitted when the direction changed.

void makVrv::DtWindDirectionWidget::cardinalDirectionChanged ( QString  )

signal

Signal emitted when the cardinal direction changed.

void makVrv::DtWindDirectionWidget::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::DtWindDirectionWidget::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::DtWindDirectionWidget::setCardinalDirection ( const QString &  dir )

slot

Set the cardinal direction.

Parameters

[in]

dir

is the new direction (N, NNE, NE, ENE, E, ESE, etc).

Note

Does not emit any signals.

virtual void makVrv::DtWindDirectionWidget::onDialDirectionChanged ( double  value )

protectedvirtualslot

virtual void makVrv::DtWindDirectionWidget::onComboBoxIndexChanged ( const QString &  text )

protectedvirtualslot

virtual void makVrv::DtWindDirectionWidget::changeEvent ( QEvent *  evt )

protectedvirtual

Handle the enabled/disabled event.

Parameters

[in]

evt

is the event to handle.

virtual void makVrv::DtWindDirectionWidget::showEvent ( QShowEvent *  evt )

protectedvirtual

Handle the show/hide events.

Parameters

[in]

evt

is the event to handle.

virtual void makVrv::DtWindDirectionWidget::hideEvent ( QHideEvent *  evt )

protectedvirtual

Handle the enabled/disabled event.

Parameters

[in]

evt

is the event to handle.

void makVrv::DtWindDirectionWidget::setupGui ( )

private

Sets up the widget's fields.

Non-virtual (Called from CTOR).

void makVrv::DtWindDirectionWidget::connectToSignals ( )

private

Connects widget signals to slots.

Non-virtual (Called from CTOR).

QString makVrv::DtWindDirectionWidget::makeCardinal ( double  dir ) const

private

Utility function to transform a direction into a cardinal value.

Parameters

[in]

dir

is the direction to transform.

Returns

the nearest matching cardinal value.

double makVrv::DtWindDirectionWidget::makeDegrees ( const QString &  dir ) const

private

Utility function to transform a cardinal value into a direction.

Parameters

[in]

dir

is the cardinal direction to transform.

Returns

the direction in degrees or 0.0 on translation failure.

Member Data Documentation

QHBoxLayout* makVrv::DtWindDirectionWidget::myLayout

protected

DtWindDirectionDialWidget* makVrv::DtWindDirectionWidget::myDial

protected

QComboBox* makVrv::DtWindDirectionWidget::myComboBox

protected

QStringList makVrv::DtWindDirectionWidget::myCardinalDirections

protected

QList<double> makVrv::DtWindDirectionWidget::myCardinalBounds

protected

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

• /exports/nfedora7-1/nightly/docs/vrforcesDevelopment.tot/include/vrvCoreQt/DtWindDirectionWidget.h