HistogramWidget Class Reference

Widget which can visualize a histogram. More...

#include <OpenMS/VISUAL/HistogramWidget.h>

Inheritance diagram for HistogramWidget:

Collaboration diagram for HistogramWidget:

Public Slots
void	showSplitters (bool on)
	Shows the splitters if on is true. Hides them otherwise. More...
void	setRightSplitter (double pos)
	Sets the value of the right splitter. More...
void	setLeftSplitter (double pos)
	Sets the value of the left splitter. More...
void	setLogMode (bool log_mode)
	Enables/disables log mode. More...

Public Member Functions
	HistogramWidget (const Math::Histogram<> &distribution, QWidget *parent=nullptr)
	Constructor. More...
	~HistogramWidget () override
	Destructor. More...
double	getLeftSplitter () const
	Returns the value f the lower splitter. More...
double	getRightSplitter () const
	Returns the value of the upper splitter. More...
void	setLegend (const String &legend)
	Set axis legends. More...

Protected Member Functions
void	invalidate_ ()
	Repaints the contents to the buffer and calls update() More...

Protected Attributes
Math::Histogram	dist_
	The histogram to display. More...
bool	show_splitters_
	Flag that indicates if splitters are shown. More...
double	left_splitter_
	Value of the right splitter. More...
double	right_splitter_
	Value of the right splitter. More...
UInt	moving_splitter_
	The splitter that is currently dragged (0=none, 1=left, 2=right) More...
AxisWidget *	bottom_axis_
	X axis. More...
UInt	margin_
	Margin around plot. More...
QPixmap	buffer_
	Internal buffer for the double buffering. More...
bool	log_mode_
	Flag that indicates the current mode. More...

reimplemented Qt events
void	paintEvent (QPaintEvent *) override
void	mousePressEvent (QMouseEvent *) override
void	mouseReleaseEvent (QMouseEvent *) override
void	mouseMoveEvent (QMouseEvent *) override
void	resizeEvent (QResizeEvent *) override
void	showContextMenu (const QPoint &pos)
	Context menu event. More...

Detailed Description

Widget which can visualize a histogram.

It can also be used to define a left and right boundary inside the values. It supports normal and log scaling via the context menu.

Constructor & Destructor Documentation

HistogramWidget()

HistogramWidget	(	const Math::Histogram<> &	distribution,
		QWidget *	parent = nullptr
	)

Constructor.

~HistogramWidget()

~HistogramWidget ( )

override

Destructor.

Member Function Documentation

getLeftSplitter()

double getLeftSplitter

(

)

const

Returns the value f the lower splitter.

getRightSplitter()

double getRightSplitter

(

)

const

Returns the value of the upper splitter.

invalidate_()

void invalidate_ ( )

protected

Repaints the contents to the buffer and calls update()

mouseMoveEvent()

void mouseMoveEvent ( QMouseEvent *  )

overrideprotected

mousePressEvent()

void mousePressEvent ( QMouseEvent *  )

overrideprotected

mouseReleaseEvent()

void mouseReleaseEvent ( QMouseEvent *  )

overrideprotected

paintEvent()

void paintEvent ( QPaintEvent *  )

overrideprotected

resizeEvent()

void resizeEvent ( QResizeEvent *  )

overrideprotected

setLeftSplitter

void setLeftSplitter ( double  pos )

slot

Sets the value of the left splitter.

setLegend()

void setLegend

(

const String &

legend

)

Set axis legends.

setLogMode

void setLogMode ( bool  log_mode )

slot

Enables/disables log mode.

setRightSplitter

void setRightSplitter ( double  pos )

slot

Sets the value of the right splitter.

showContextMenu

void showContextMenu ( const QPoint &  pos )

protectedslot

Context menu event.

showSplitters

void showSplitters ( bool  on )

slot

Shows the splitters if on is true. Hides them otherwise.

Member Data Documentation

bottom_axis_

AxisWidget* bottom_axis_

protected

X axis.

buffer_

QPixmap buffer_

protected

Internal buffer for the double buffering.

dist_

Math::Histogram dist_

protected

The histogram to display.

left_splitter_

double left_splitter_

protected

Value of the right splitter.

log_mode_

bool log_mode_

protected

Flag that indicates the current mode.

margin_

UInt margin_

protected

Margin around plot.

moving_splitter_

UInt moving_splitter_

protected

The splitter that is currently dragged (0=none, 1=left, 2=right)

right_splitter_

double right_splitter_

protected

Value of the right splitter.

show_splitters_

bool show_splitters_

protected

Flag that indicates if splitters are shown.