Widget which draws a line graphic where the data is progressively added over time. More...

Inheritance diagram for MAKLogger::DtProgressiveLineGraph:

Collaboration diagram for MAKLogger::DtProgressiveLineGraph:

Public Types
typedef std::set< std::pair < double, int > >	PercentValueMap

Public Slots
void	moveUp (int steps)

void	moveDown (int steps)

void	scrollBarMoved (int action)

Public Slots inherited from MAKLogger::DtLgrZoomableWidget

Signals
void	wheelMoved (int)

Signals inherited from MAKLogger::DtLgrZoomableWidget
void	offsetsChanged (float left, float right)

Public Member Functions
	DtProgressiveLineGraph (int rangeMin, int rangeMax, bool autoScale, QWidget *parent)
	CTOR for creating the graph. More...

virtual	~DtProgressiveLineGraph ()
	DTOR for graph. More...

void	setModel (DtLgrGuiModel *myModel)
	Set the model, this is required for a number of features such as drawing a cursor. More...

int	verticalMargin () const
	Get the vertical margin. More...

void	setMargins (int horizontalMargin, int verticalMargin)
	set the Graph margins. More...

void	addSet (int set, QPen pen, int initial, bool valueCentered=false)
	Add a set with a color and initial value. More...

void	insertValue (int set, double percent, int value)
	Insert a value into the middle of the graph. More...

virtual void	resetAllValues (int value)
	Clear all sets and insert the initial value. More...

virtual void	resetValues (int set, int value)
	Clear the values and insert the initial value. More...

virtual void	clearValues (int set)
	Clear the values. More...

virtual void	clearAllValues ()
	Clear all sets. More...

virtual void	offsetPercentages (double percentOffset)
	Offset the percentages of all the values. More...

virtual void	offsetPercentages (int set, double percentOffset)
	Offset the percentages of a set of values. More...

virtual void	setRange (int min, int max)
	Sets the minimum and maximum range of the points. More...

virtual int	rangeMinimum () const
	Get the Range minimum and maximum. More...

virtual int	rangeMaximum () const

virtual bool	autoScale () const
	Get whether auto scaling is used. More...

virtual void	setAutoScale (bool value)
	Set whether auto scaling is used. More...

virtual void	setNegativeReflection (bool positive)
	Set whether the scale is a reflect negative scale. More...

virtual void	useBackgroundGradient (bool useIt)
	Set if the background gradient is used. More...

virtual bool	usesBackgroundGradient () const
	Get if the background gradient is used. More...

virtual void	useAlphaBlending (bool useIt)
	Set whether to use alpha blending. More...

virtual bool	usesAlphaBlending () const
	Get whether alpha blending is used. More...

void	useBasicGui (bool basic)
	Set whether to use basic render settings. More...

virtual void	drawAsVerticalLines (bool useVerticalLines)
	Set whether vertical line samples are used instead of connected samples. More...

virtual bool	usesVerticalLines () const
	Get whether vertical line samples are used instead of connected samples. More...

virtual void	setOffsets (float left, float right)
	Override base implementation. More...

void	forceUpdate (bool widgetUpdate)
	Force a redraw and optionally a widget update. More...

bool	updateNeeded () const
	Check to see if an update has been forced. More...

virtual void	testForUpdate (DtLgrGuiModel &model)
	Override test for update. More...

virtual void	enableZoom ()
	Enable/disable Zoom functionality for this graph. More...

virtual void	disableZoom ()

virtual void	initializeZoomSlider ()
	Initializes Zoom slider and sets geometry. More...

virtual void	syncZoomSlider ()
	Resizes Zoom slider on resize events. Hides slider when disabled. More...

virtual void	setZoomed (bool zoom)
	Set when in a zoomed state. More...

virtual bool	isZoomed ()
	Returns true is graph is in a zoomed state. More...

virtual bool	isMoveValid (int slideAmount)

Public Member Functions inherited from MAKLogger::DtLgrZoomableWidget
	DtLgrZoomableWidget (QWidget *parent)
	CTOR. More...

virtual	~DtLgrZoomableWidget ()
	DTOR. More...

QRectF	scaledViewport (QRect orignalViewport, QPoint margins) const
	Scale a viewport using the scaled settings and the provided margins. More...

void	drawCursor (QPainter &painter, double firstVisibleTime, double lastVisibleTime, double cursorTime, int xOffset, bool active)
	Draw A cursor. More...

QRect	cursorBounds (double firstVisibleTime, double lastVisibleTime, double cursorTime, int xOffset)
	Get the cursor bounds. More...

double	firstVisibleTime (double firstTime, double lastTime) const
	Get the first visible time, based upon the scale. More...

double	firstVisibleTime (DtLgrGuiModel &model) const
	Get the first visible time via the models display time. More...

double	lastVisibleTime (double firstTime, double lastTime) const
	Get the last visible time, based upon the scale. More...

double	lastVisibleTime (DtLgrGuiModel &model) const
	Get the last visible time via the models display time. More...

float	leftOffset () const
	Get the left offset (percent 0-100.0), inline for performance reasons. More...

float	rightOffset () const
	Get the right offset (percent 0-100.0), inline for performance reasons. More...

float	horizontalMargin () const
	get the horizontal margin. More...

void	setHorizontalMargin (float margin)
	set the horizontal margin. More...

void	setDrawTimes (DtLgrGuiModel &model)

Protected Types
typedef std::map< int, Set * >	SetMap

Protected Member Functions
virtual double	firstTime () const
	Get the current time. More...

virtual double	lastTime () const
	Get the current time. More...

virtual double	currentTime () const
	Get the current time. More...

virtual void	resizeEvent (QResizeEvent *e)
	Resize event needed to resize back buffer. More...

virtual void	paintEvent (QPaintEvent *)
	Draw the widget. More...

virtual void	draw (QPainter &painter, const QRect &rect)
	Draw the control. More...

virtual void	paintBackground (QPainter &painter)
	Paint background. More...

virtual int	getSeparation () const
	Get the line separation count. More...

virtual void	paintLines (QPainter &, Set &set)
	Function to draw the lines in the foreground color. More...

virtual int	desiredRange () const
	Get the desired Range. More...

void	paintVerticalLines (PercentValueMap &set, QRectF svp, int rangeHeight, QPainter &painter, QPen pen, bool centered)
	Draw the graph as vertical lines. More...

void	paintConnectedLines (PercentValueMap &set, QRectF svp, int rangeHeight, QPainter &painter, QPen pen)
	Draw the graph as a connected line. More...

int	desiredMinimum () const
	Get the desired minimum. More...

virtual void	wheelEvent (QWheelEvent *event)
	Catch mouse wheel movements. More...

virtual void	validateAndSetZoomedGraphRanges (int zoomedMax, int zoomedMin)
	Set new graph ranges based on mouse wheel movements. More...

virtual void	slideZoomedRangeDown (int slideAmount)
	Move graph ranges up/down based on slider movement. More...

virtual void	slideZoomedRangeUp (int slideAmount)

virtual void	setScrollBarRange ()
	Set scroll bar range to reflect zoomed range. More...

virtual void	calibrateScrollBarPosition (int jumpsToMax)
	Calibrate the slider position after mouse wheel movement. More...

Protected Attributes
int	myInitialMinimumRange

int	myInitialMaximumRange

int	myMinimumRange

int	myMaximumRange

int	myInitialZoomedMaxRange

int	myInitialZoomedMinRange

int	mySliderPosition

int	myVerticalMargin

bool	myAutoScale

bool	myActive

SetMap	mySets

bool	myUseGradient

bool	myUseAlphaBlending

QLinearGradient *	myLinearGradient

bool	myGraphNeedsUpdating

bool	myUseVerticalLines

bool	myNegativeReflection

QPolygon *	myPointCache

QPixmap *	myLineBuffer

bool	myUseCachedGraph

DtLgrVerticalRangeSlider *	myRangeWidget

bool	myIsZoomed

bool	myZoomEnabled

DtLgrGuiModel *	myModel

double	myDrawnRange

Protected Attributes inherited from MAKLogger::DtLgrZoomableWidget
float	myLeftOffset

float	myRightOffset

float	myHorizontalMargin

double	myDrawnFirstVisibleTime

double	myDrawnLastVisibleTime

double	myDrawnCurrentVisibleTime

Detailed Description

Widget which draws a line graphic where the data is progressively added over time.

Member Typedef Documentation

typedef std::set<std::pair<double,int> > MAKLogger::DtProgressiveLineGraph::PercentValueMap

typedef std::map<int,Set*> MAKLogger::DtProgressiveLineGraph::SetMap

protected

Constructor & Destructor Documentation

MAKLogger::DtProgressiveLineGraph::DtProgressiveLineGraph	(	int	rangeMin,
		int	rangeMax,
		bool	autoScale,
		QWidget *	parent
	)

CTOR for creating the graph.

virtual MAKLogger::DtProgressiveLineGraph::~DtProgressiveLineGraph ( )

virtual

DTOR for graph.

Member Function Documentation

void MAKLogger::DtProgressiveLineGraph::addSet	(	int	set,
		QPen	pen,
		int	initial,
		bool	valueCentered = `false`
	)

Add a set with a color and initial value.

virtual bool MAKLogger::DtProgressiveLineGraph::autoScale ( ) const

virtual

Get whether auto scaling is used.

Auto scale will change the range dynamically as points are added.

virtual void MAKLogger::DtProgressiveLineGraph::calibrateScrollBarPosition ( int jumpsToMax )

protectedvirtual

Calibrate the slider position after mouse wheel movement.

virtual void MAKLogger::DtProgressiveLineGraph::clearAllValues ( )

virtual

Clear all sets.

virtual void MAKLogger::DtProgressiveLineGraph::clearValues ( int set )

virtual

Clear the values.

virtual double MAKLogger::DtProgressiveLineGraph::currentTime ( ) const

protectedvirtual

Get the current time.

int MAKLogger::DtProgressiveLineGraph::desiredMinimum ( ) const

protected

Get the desired minimum.

virtual int MAKLogger::DtProgressiveLineGraph::desiredRange ( ) const

protectedvirtual

Get the desired Range.

virtual void MAKLogger::DtProgressiveLineGraph::disableZoom ( )

virtual

virtual void MAKLogger::DtProgressiveLineGraph::draw	(	QPainter &	painter,
		const QRect &	rect
	)

protectedvirtual

Draw the control.

virtual void MAKLogger::DtProgressiveLineGraph::drawAsVerticalLines ( bool useVerticalLines )

virtual

Set whether vertical line samples are used instead of connected samples.

virtual void MAKLogger::DtProgressiveLineGraph::enableZoom ( )

virtual

Enable/disable Zoom functionality for this graph.

virtual double MAKLogger::DtProgressiveLineGraph::firstTime ( ) const

protectedvirtual

Get the current time.

void MAKLogger::DtProgressiveLineGraph::forceUpdate ( bool widgetUpdate )

Force a redraw and optionally a widget update.

virtual int MAKLogger::DtProgressiveLineGraph::getSeparation ( ) const

protectedvirtual

Get the line separation count.

virtual void MAKLogger::DtProgressiveLineGraph::initializeZoomSlider ( )

virtual

Initializes Zoom slider and sets geometry.

void MAKLogger::DtProgressiveLineGraph::insertValue	(	int	set,
		double	percent,
		int	value
	)

Insert a value into the middle of the graph.

virtual bool MAKLogger::DtProgressiveLineGraph::isMoveValid ( int slideAmount )

virtual

virtual bool MAKLogger::DtProgressiveLineGraph::isZoomed ( )

virtual

Returns true is graph is in a zoomed state.

virtual double MAKLogger::DtProgressiveLineGraph::lastTime ( ) const

protectedvirtual

Get the current time.

void MAKLogger::DtProgressiveLineGraph::moveDown ( int steps )

slot

void MAKLogger::DtProgressiveLineGraph::moveUp ( int steps )

slot

virtual void MAKLogger::DtProgressiveLineGraph::offsetPercentages ( double percentOffset )

virtual

Offset the percentages of all the values.

Any value with a negative percentage or a percentage > 100 will be dropped.

virtual void MAKLogger::DtProgressiveLineGraph::offsetPercentages	(	int	set,
		double	percentOffset
	)

virtual

Offset the percentages of a set of values.

Any value with a negative percentage or a percentage > 100 will be dropped.

virtual void MAKLogger::DtProgressiveLineGraph::paintBackground ( QPainter & painter )

protectedvirtual

Paint background.

void MAKLogger::DtProgressiveLineGraph::paintConnectedLines	(	PercentValueMap &	set,
		QRectF	svp,
		int	rangeHeight,
		QPainter &	painter,
		QPen	pen
	)

protected

Draw the graph as a connected line.

virtual void MAKLogger::DtProgressiveLineGraph::paintEvent ( QPaintEvent * )

protectedvirtual

Draw the widget.

virtual void MAKLogger::DtProgressiveLineGraph::paintLines	(	QPainter &	,
		Set &	set
	)

protectedvirtual

Function to draw the lines in the foreground color.

void MAKLogger::DtProgressiveLineGraph::paintVerticalLines	(	PercentValueMap &	set,
		QRectF	svp,
		int	rangeHeight,
		QPainter &	painter,
		QPen	pen,
		bool	centered
	)

protected

Draw the graph as vertical lines.

virtual int MAKLogger::DtProgressiveLineGraph::rangeMaximum ( ) const

virtual

virtual int MAKLogger::DtProgressiveLineGraph::rangeMinimum ( ) const

virtual

Get the Range minimum and maximum.

virtual void MAKLogger::DtProgressiveLineGraph::resetAllValues ( int value )

virtual

Clear all sets and insert the initial value.

virtual void MAKLogger::DtProgressiveLineGraph::resetValues	(	int	set,
		int	value
	)

virtual

Clear the values and insert the initial value.

virtual void MAKLogger::DtProgressiveLineGraph::resizeEvent ( QResizeEvent * e )

protectedvirtual

Resize event needed to resize back buffer.

void MAKLogger::DtProgressiveLineGraph::scrollBarMoved ( int action )

slot

virtual void MAKLogger::DtProgressiveLineGraph::setAutoScale ( bool value )

virtual

Set whether auto scaling is used.

Auto scale will change the range dynamically as points are added.

void MAKLogger::DtProgressiveLineGraph::setMargins	(	int	horizontalMargin,
		int	verticalMargin
	)

set the Graph margins.

void MAKLogger::DtProgressiveLineGraph::setModel ( DtLgrGuiModel * myModel )

Set the model, this is required for a number of features such as drawing a cursor.

virtual void MAKLogger::DtProgressiveLineGraph::setNegativeReflection ( bool positive )

virtual

Set whether the scale is a reflect negative scale.

virtual void MAKLogger::DtProgressiveLineGraph::setOffsets	(	float	left,
		float	right
	)

virtual

Override base implementation.

Reimplemented from MAKLogger::DtLgrZoomableWidget.

virtual void MAKLogger::DtProgressiveLineGraph::setRange	(	int	min,
		int	max
	)

virtual

Sets the minimum and maximum range of the points.

As points are scaled clipped to the min and max. when drawn.

virtual void MAKLogger::DtProgressiveLineGraph::setScrollBarRange ( )

protectedvirtual

Set scroll bar range to reflect zoomed range.

virtual void MAKLogger::DtProgressiveLineGraph::setZoomed ( bool zoom )

virtual

Set when in a zoomed state.

virtual void MAKLogger::DtProgressiveLineGraph::slideZoomedRangeDown ( int slideAmount )

protectedvirtual

Move graph ranges up/down based on slider movement.

virtual void MAKLogger::DtProgressiveLineGraph::slideZoomedRangeUp ( int slideAmount )

protectedvirtual

virtual void MAKLogger::DtProgressiveLineGraph::syncZoomSlider ( )

virtual

Resizes Zoom slider on resize events. Hides slider when disabled.

virtual void MAKLogger::DtProgressiveLineGraph::testForUpdate ( DtLgrGuiModel & model )

virtual

Override test for update.

Reimplemented from MAKLogger::DtLgrZoomableWidget.

bool MAKLogger::DtProgressiveLineGraph::updateNeeded ( ) const

Check to see if an update has been forced.

virtual void MAKLogger::DtProgressiveLineGraph::useAlphaBlending ( bool useIt )

virtual

Set whether to use alpha blending.

virtual void MAKLogger::DtProgressiveLineGraph::useBackgroundGradient ( bool useIt )

virtual

Set if the background gradient is used.

void MAKLogger::DtProgressiveLineGraph::useBasicGui ( bool basic )

Set whether to use basic render settings.

virtual bool MAKLogger::DtProgressiveLineGraph::usesAlphaBlending ( ) const

virtual

Get whether alpha blending is used.

virtual bool MAKLogger::DtProgressiveLineGraph::usesBackgroundGradient ( ) const

virtual

Get if the background gradient is used.

virtual bool MAKLogger::DtProgressiveLineGraph::usesVerticalLines ( ) const

virtual

Get whether vertical line samples are used instead of connected samples.

virtual void MAKLogger::DtProgressiveLineGraph::validateAndSetZoomedGraphRanges	(	int	zoomedMax,
		int	zoomedMin
	)

protectedvirtual

Set new graph ranges based on mouse wheel movements.

int MAKLogger::DtProgressiveLineGraph::verticalMargin ( ) const

Get the vertical margin.

virtual void MAKLogger::DtProgressiveLineGraph::wheelEvent ( QWheelEvent * event )

protectedvirtual

Catch mouse wheel movements.

void MAKLogger::DtProgressiveLineGraph::wheelMoved ( int )

signal

Member Data Documentation

bool MAKLogger::DtProgressiveLineGraph::myActive

protected

bool MAKLogger::DtProgressiveLineGraph::myAutoScale

protected

double MAKLogger::DtProgressiveLineGraph::myDrawnRange

protected

bool MAKLogger::DtProgressiveLineGraph::myGraphNeedsUpdating

protected

int MAKLogger::DtProgressiveLineGraph::myInitialMaximumRange

protected

int MAKLogger::DtProgressiveLineGraph::myInitialMinimumRange

protected

int MAKLogger::DtProgressiveLineGraph::myInitialZoomedMaxRange

protected

int MAKLogger::DtProgressiveLineGraph::myInitialZoomedMinRange

protected

bool MAKLogger::DtProgressiveLineGraph::myIsZoomed

protected

QLinearGradient* MAKLogger::DtProgressiveLineGraph::myLinearGradient

protected

QPixmap* MAKLogger::DtProgressiveLineGraph::myLineBuffer

protected

int MAKLogger::DtProgressiveLineGraph::myMaximumRange

protected

int MAKLogger::DtProgressiveLineGraph::myMinimumRange

protected

DtLgrGuiModel* MAKLogger::DtProgressiveLineGraph::myModel

protected

bool MAKLogger::DtProgressiveLineGraph::myNegativeReflection

protected

QPolygon* MAKLogger::DtProgressiveLineGraph::myPointCache

protected

DtLgrVerticalRangeSlider* MAKLogger::DtProgressiveLineGraph::myRangeWidget

protected

SetMap MAKLogger::DtProgressiveLineGraph::mySets

protected

int MAKLogger::DtProgressiveLineGraph::mySliderPosition

protected

bool MAKLogger::DtProgressiveLineGraph::myUseAlphaBlending

protected

bool MAKLogger::DtProgressiveLineGraph::myUseCachedGraph

protected

bool MAKLogger::DtProgressiveLineGraph::myUseGradient

protected

bool MAKLogger::DtProgressiveLineGraph::myUseVerticalLines

protected

int MAKLogger::DtProgressiveLineGraph::myVerticalMargin

protected

bool MAKLogger::DtProgressiveLineGraph::myZoomEnabled

protected

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

progressiveLineGraph.h

Public Types

Public Slots

Signals

Public Member Functions

Protected Types

Protected Member Functions

Protected Attributes

Detailed Description

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation