The Thermometer Widget. More...

#include <qwt_thermo.h>

Inheritance diagram for QwtThermo:

Classes
class	PrivateData

Public Types
enum	ScalePosition { NoScale , LeadingScale , TrailingScale }
	Position of the scale. More...

enum	OriginMode { OriginMinimum , OriginMaximum , OriginCustom }
	Origin mode. This property specifies where the beginning of the liquid is placed. More...

Public Slots
virtual void	setValue (double)
	Set the current value.

Public Member Functions
	QwtThermo (QWidget *parent=nullptr)
	Constructor.

virtual	~QwtThermo ()
	Destructor.

void	setOrientation (Qt::Orientation)
	Set the orientation.

Qt::Orientation	orientation () const
	Return orientation.

void	setScalePosition (ScalePosition)
	Change the position of the scale.

ScalePosition	scalePosition () const
	Return scale position.

void	setSpacing (int)
	Change the spacing between pipe and scale.

int	spacing () const
	Return number of pixels between pipe and scale.

void	setBorderWidth (int)
	Set the border width of the pipe.

int	borderWidth () const
	Return border width of the thermometer pipe.

void	setOriginMode (OriginMode)
	Change how the origin is determined.

OriginMode	originMode () const
	Return mode how the origin is determined.

void	setOrigin (double)
	Specify the custom origin.

double	origin () const
	Return origin of the thermometer when OriginCustom is enabled.

void	setFillBrush (const QBrush &)
	Change the brush of the liquid.

QBrush	fillBrush () const
	Return liquid (QPalette::ButtonText) brush.

void	setAlarmBrush (const QBrush &)
	Specify the liquid brush above the alarm threshold.

QBrush	alarmBrush () const
	Return liquid brush (QPalette::Highlight) above the alarm threshold.

void	setAlarmLevel (double)
	Specify the alarm threshold.

double	alarmLevel () const
	Return alarm threshold.

void	setAlarmEnabled (bool)
	Enable or disable the alarm threshold.

bool	alarmEnabled () const
	Return true when the alarm threshold is enabled.

void	setColorMap (QwtColorMap *)
	Assign a color map for the fill color.

QwtColorMap *	colorMap ()
	Return color map for the fill color.

const QwtColorMap *	colorMap () const
	Return color map for the fill color (const version)

void	setPipeWidth (int)
	Change the width of the pipe.

int	pipeWidth () const
	Return width of the pipe.

void	setRangeFlags (QwtInterval::BorderFlags)
	Exclude/Include min/max values.

QwtInterval::BorderFlags	rangeFlags () const
	Return range flags.

double	value () const
	Return the value.

virtual QSize	sizeHint () const override
	Return the minimum size hint.

virtual QSize	minimumSizeHint () const override
	Return minimum size hint.

void	setScaleDraw (QwtScaleDraw *)
	Set a scale draw.

const QwtScaleDraw *	scaleDraw () const
	Return the scale draw of the thermometer (const version)

Public Member Functions inherited from QwtAbstractScale
	QwtAbstractScale (QWidget *parent=nullptr)
	Constructor for QwtAbstractScale.

virtual	~QwtAbstractScale ()
	Destructor for QwtAbstractScale .

void	setScale (double lowerBound, double upperBound)
	Specify a scale by interval bounds.

void	setScale (const QwtInterval &)
	Specify a scale by interval.

void	setScale (const QwtScaleDiv &)
	Specify a scale by scale division.

const QwtScaleDiv &	scaleDiv () const
	Return the scale division.

void	setLowerBound (double value)
	Set the lower bound of the scale.

double	lowerBound () const
	Return the lower bound of the scale.

void	setUpperBound (double value)
	Set the upper bound of the scale.

double	upperBound () const
	Return the upper bound of the scale.

void	setScaleStepSize (double stepSize)
	Set the step size used for calculating scale division.

double	scaleStepSize () const
	Return the step size hint.

void	setScaleMaxMajor (int ticks)
	Set the maximum number of major tick intervals.

int	scaleMaxMinor () const
	Return the maximum number of minor tick intervals.

void	setScaleMaxMinor (int ticks)
	Set the maximum number of minor tick intervals.

int	scaleMaxMajor () const
	Return the maximum number of major tick intervals.

void	setScaleEngine (QwtScaleEngine *)
	Set the scale engine.

const QwtScaleEngine *	scaleEngine () const
	Return the scale engine (const version)

QwtScaleEngine *	scaleEngine ()
	Return the scale engine (non-const version)

int	transform (double) const
	Transform a scale value to widget coordinates.

double	invTransform (int) const
	Transform a widget coordinate to scale value.

bool	isInverted () const
	Check if scale is inverted.

double	minimum () const
	Return the minimum boundary.

double	maximum () const
	Return the maximum boundary.

const QwtScaleMap &	scaleMap () const
	Return the scale map.

Protected Member Functions
virtual void	drawLiquid (QPainter *, const QRect &) const
	Draw the liquid.

virtual void	scaleChange () override
	Handle scale changes.

virtual void	paintEvent (QPaintEvent *) override
	Handle paint events.

virtual void	resizeEvent (QResizeEvent *) override
	Handle resize events.

virtual void	changeEvent (QEvent *) override
	Handle change events.

QwtScaleDraw *	scaleDraw ()
	Return the scale draw.

QRect	pipeRect () const
	Return the pipe rectangle.

QRect	fillRect (const QRect &) const
	Return the fill rectangle.

QRect	alarmRect (const QRect &) const
	Return the alarm rectangle.

Protected Member Functions inherited from QwtAbstractScale
void	rescale (double lowerBound, double upperBound, double stepSize)
	Recalculate scale and update scale draw (English only)

void	setAbstractScaleDraw (QwtAbstractScaleDraw *)
	Set the scale draw object (English only)

const QwtAbstractScaleDraw *	abstractScaleDraw () const
	Return the scale draw (const version) (English only)

QwtAbstractScaleDraw *	abstractScaleDraw ()
	Return the scale draw (non-const version) (English only)

void	updateScaleDraw ()
	Update the scale draw (English only)

Properties
Qt::Orientation	orientation

ScalePosition	scalePosition

OriginMode	originMode

bool	alarmEnabled

double	alarmLevel

double	origin

int	spacing

int	borderWidth

int	pipeWidth

double	value

Properties inherited from QwtAbstractScale
double	lowerBound

double	upperBound

int	scaleMaxMajor

int	scaleMaxMinor

double	scaleStepSize

Detailed Description

The Thermometer Widget.

Member Enumeration Documentation

◆ OriginMode

enum QwtThermo::OriginMode

Origin mode. This property specifies where the beginning of the liquid is placed.

Enumerator
OriginMinimum	The origin is the minimum of the scale.
OriginMaximum	The origin is the maximum of the scale.
OriginCustom	The origin is specified using the origin() property.

◆ ScalePosition

enum QwtThermo::ScalePosition

Position of the scale.

Enumerator
NoScale	The slider has no scale.
LeadingScale	The scale is right of a vertical or below of a horizontal slider.
TrailingScale	The scale is left of a vertical or above of a horizontal slider.

Constructor & Destructor Documentation

◆ QwtThermo()

QwtThermo::QwtThermo ( QWidget * parent = nullptr )

explicit

Constructor.

◆ ~QwtThermo()

QwtThermo::~QwtThermo ( )

virtual

Destructor.

Member Function Documentation

◆ alarmBrush()

QBrush QwtThermo::alarmBrush ( ) const

Return liquid brush (QPalette::Highlight) above the alarm threshold.

◆ alarmEnabled()

bool QwtThermo::alarmEnabled ( ) const

Return true when the alarm threshold is enabled.

◆ alarmLevel()

double QwtThermo::alarmLevel ( ) const

Return alarm threshold.

◆ alarmRect()

QRect QwtThermo::alarmRect ( const QRect & fillRect ) const

protected

Return the alarm rectangle.

Calculate the alarm rectangle of the pipe.

◆ borderWidth()

int QwtThermo::borderWidth ( ) const

Return border width of the thermometer pipe.

◆ changeEvent()

void QwtThermo::changeEvent ( QEvent * event )

overrideprotectedvirtual

Handle change events.

Qt change event handler.

Reimplemented from QwtAbstractScale.

◆ colorMap() [1/2]

QwtColorMap * QwtThermo::colorMap ( )

Return color map for the fill color.

◆ colorMap() [2/2]

const QwtColorMap * QwtThermo::colorMap ( ) const

Return color map for the fill color (const version)

◆ drawLiquid()

void QwtThermo::drawLiquid	(	QPainter *	painter,
		const QRect &	pipeRect
	)		const

protectedvirtual

Draw the liquid.

Redraw the liquid in thermometer pipe.

◆ fillBrush()

QBrush QwtThermo::fillBrush ( ) const

Return liquid (QPalette::ButtonText) brush.

◆ fillRect()

QRect QwtThermo::fillRect ( const QRect & pipeRect ) const

protected

Return the fill rectangle.

Calculate the filled rectangle of the pipe.

◆ minimumSizeHint()

QSize QwtThermo::minimumSizeHint ( ) const

overridevirtual

Return minimum size hint.

◆ orientation()

Qt::Orientation QwtThermo::orientation ( ) const

Return orientation.

◆ origin()

double QwtThermo::origin ( ) const

Return origin of the thermometer when OriginCustom is enabled.

◆ originMode()

QwtThermo::OriginMode QwtThermo::originMode ( ) const

Return mode how the origin is determined.

◆ paintEvent()

void QwtThermo::paintEvent ( QPaintEvent * event )

overrideprotectedvirtual

Handle paint events.

Paint event handler.

◆ pipeRect()

QRect QwtThermo::pipeRect ( ) const

protected

Return the pipe rectangle.

Return bounding rectangle of the pipe.

◆ pipeWidth()

int QwtThermo::pipeWidth ( ) const

Return width of the pipe.

◆ rangeFlags()

QwtInterval::BorderFlags QwtThermo::rangeFlags ( ) const

Return range flags.

◆ resizeEvent()

void QwtThermo::resizeEvent ( QResizeEvent * event )

overrideprotectedvirtual

Handle resize events.

Resize event handler.

◆ scaleChange()

void QwtThermo::scaleChange ( )

overrideprotectedvirtual

Handle scale changes.

Notify a scale change.

Reimplemented from QwtAbstractScale.

◆ scaleDraw() [1/2]

QwtScaleDraw * QwtThermo::scaleDraw ( )

protected

Return the scale draw.

Return the scale draw of the thermometer (non-const version)

◆ scaleDraw() [2/2]

const QwtScaleDraw * QwtThermo::scaleDraw ( ) const

Return the scale draw of the thermometer (const version)

◆ scalePosition()

QwtThermo::ScalePosition QwtThermo::scalePosition ( ) const

Return scale position.

◆ setAlarmBrush()

void QwtThermo::setAlarmBrush ( const QBrush & brush )

Specify the liquid brush above the alarm threshold.

◆ setAlarmEnabled()

void QwtThermo::setAlarmEnabled ( bool on )

Enable or disable the alarm threshold.

◆ setAlarmLevel()

void QwtThermo::setAlarmLevel ( double level )

Specify the alarm threshold.

◆ setBorderWidth()

void QwtThermo::setBorderWidth ( int width )

Set the border width of the pipe.

◆ setColorMap()

void QwtThermo::setColorMap ( QwtColorMap * colorMap )

Assign a color map for the fill color.

◆ setFillBrush()

void QwtThermo::setFillBrush ( const QBrush & brush )

Change the brush of the liquid.

◆ setOrientation()

void QwtThermo::setOrientation ( Qt::Orientation orientation )

Set the orientation.

◆ setOrigin()

void QwtThermo::setOrigin ( double origin )

Specify the custom origin.

◆ setOriginMode()

void QwtThermo::setOriginMode ( OriginMode m )

Change how the origin is determined.

◆ setPipeWidth()

void QwtThermo::setPipeWidth ( int width )

Change the width of the pipe.

◆ setRangeFlags()

void QwtThermo::setRangeFlags ( QwtInterval::BorderFlags flags )

Exclude/Include min/max values.

◆ setScaleDraw()

void QwtThermo::setScaleDraw ( QwtScaleDraw * scaleDraw )

Set a scale draw.

◆ setScalePosition()

void QwtThermo::setScalePosition ( ScalePosition scalePosition )

Change the position of the scale.

◆ setSpacing()

void QwtThermo::setSpacing ( int spacing )

Change the spacing between pipe and scale.

◆ setValue

void QwtThermo::setValue ( double value )

virtualslot

Set the current value.

◆ sizeHint()

QSize QwtThermo::sizeHint ( ) const

overridevirtual

Return the minimum size hint.

◆ spacing()

int QwtThermo::spacing ( ) const

Return number of pixels between pipe and scale.

◆ value()

double QwtThermo::value ( ) const

Return the value.

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

/home/runner/work/QWT/QWT/src/plot/qwt_thermo.h
/home/runner/work/QWT/QWT/src/plot/qwt_thermo.cpp

Classes

Public Types

Public Slots

Public Member Functions

Protected Member Functions

Properties

Detailed Description

Member Enumeration Documentation

◆ OriginMode

◆ ScalePosition

Constructor & Destructor Documentation

◆ QwtThermo()

◆ ~QwtThermo()

Member Function Documentation

◆ alarmBrush()

◆ alarmEnabled()

◆ alarmLevel()

◆ alarmRect()

◆ borderWidth()

◆ changeEvent()

◆ colorMap() [1/2]

◆ colorMap() [2/2]

◆ drawLiquid()

◆ fillBrush()

◆ fillRect()

◆ minimumSizeHint()

◆ orientation()

◆ origin()

◆ originMode()

◆ paintEvent()

◆ pipeRect()

◆ pipeWidth()

◆ rangeFlags()

◆ resizeEvent()

◆ scaleChange()

◆ scaleDraw() [1/2]

◆ scaleDraw() [2/2]

◆ scalePosition()

◆ setAlarmBrush()

◆ setAlarmEnabled()

◆ setAlarmLevel()

◆ setBorderWidth()

◆ setColorMap()

◆ setFillBrush()

◆ setOrientation()

◆ setOrigin()

◆ setOriginMode()

◆ setPipeWidth()

◆ setRangeFlags()

◆ setScaleDraw()

◆ setScalePosition()

◆ setSpacing()

◆ setValue

◆ sizeHint()

◆ spacing()

◆ value()