A rectangle. More...

#include <qcustomplot.h>

Inheritance diagram for QCPItemRect:

Collaboration diagram for QCPItemRect:

[legend]

Public Member Functions
	QCPItemRect (QCustomPlot *parentPlot)

virtual	~QCPItemRect ()

QPen	pen () const

QPen	selectedPen () const

QBrush	brush () const

QBrush	selectedBrush () const

void	setPen (const QPen &pen)

void	setSelectedPen (const QPen &pen)

void	setBrush (const QBrush &brush)

void	setSelectedBrush (const QBrush &brush)

virtual double	selectTest (const QPointF &pos, bool onlySelectable, QVariant *details=0) const Q_DECL_OVERRIDE

Public Member Functions inherited from QCPAbstractItem
	QCPAbstractItem (QCustomPlot *parentPlot)

virtual	~QCPAbstractItem ()

bool	clipToAxisRect () const

QCPAxisRect *	clipAxisRect () const

bool	selectable () const

bool	selected () const

void	setClipToAxisRect (bool clip)

void	setClipAxisRect (QCPAxisRect *rect)

Q_SLOT void	setSelectable (bool selectable)

Q_SLOT void	setSelected (bool selected)

QList< QCPItemPosition * >	positions () const

QList< QCPItemAnchor * >	anchors () const

QCPItemPosition *	position (const QString &name) const

QCPItemAnchor *	anchor (const QString &name) const

bool	hasAnchor (const QString &name) const

Public Member Functions inherited from QCPLayerable
	QCPLayerable (QCustomPlot plot, QString targetLayer=QString(), QCPLayerable parentLayerable=0)

virtual	~QCPLayerable ()

bool	visible () const

QCustomPlot *	parentPlot () const

QCPLayerable *	parentLayerable () const

QCPLayer *	layer () const

bool	antialiased () const

void	setVisible (bool on)

Q_SLOT bool	setLayer (QCPLayer *layer)

bool	setLayer (const QString &layerName)

void	setAntialiased (bool enabled)

bool	realVisibility () const

Public Attributes
QCPItemPosition *const	topLeft

QCPItemPosition *const	bottomRight

QCPItemAnchor *const	top

QCPItemAnchor *const	topRight

QCPItemAnchor *const	right

QCPItemAnchor *const	bottom

QCPItemAnchor *const	bottomLeft

QCPItemAnchor *const	left

Protected Types
enum	AnchorIndex { aiTop, aiTopRight, aiRight, aiBottom, aiBottomLeft, aiLeft }

Protected Member Functions
virtual void	draw (QCPPainter *painter) Q_DECL_OVERRIDE

virtual QPointF	anchorPixelPosition (int anchorId) const Q_DECL_OVERRIDE

QPen	mainPen () const

QBrush	mainBrush () const

Protected Member Functions inherited from QCPAbstractItem
virtual QCP::Interaction	selectionCategory () const Q_DECL_OVERRIDE

virtual QRect	clipRect () const Q_DECL_OVERRIDE

virtual void	applyDefaultAntialiasingHint (QCPPainter *painter) const Q_DECL_OVERRIDE

virtual void	selectEvent (QMouseEvent event, bool additive, const QVariant &details, bool selectionStateChanged) Q_DECL_OVERRIDE

virtual void	deselectEvent (bool *selectionStateChanged) Q_DECL_OVERRIDE

double	rectDistance (const QRectF &rect, const QPointF &pos, bool filledRect) const

QCPItemPosition *	createPosition (const QString &name)

QCPItemAnchor *	createAnchor (const QString &name, int anchorId)

Protected Member Functions inherited from QCPLayerable
virtual void	parentPlotInitialized (QCustomPlot *parentPlot)

virtual void	mousePressEvent (QMouseEvent *event, const QVariant &details)

virtual void	mouseMoveEvent (QMouseEvent *event, const QPointF &startPos)

virtual void	mouseReleaseEvent (QMouseEvent *event, const QPointF &startPos)

virtual void	mouseDoubleClickEvent (QMouseEvent *event, const QVariant &details)

virtual void	wheelEvent (QWheelEvent *event)

void	initializeParentPlot (QCustomPlot *parentPlot)

void	setParentLayerable (QCPLayerable *parentLayerable)

bool	moveToLayer (QCPLayer *layer, bool prepend)

void	applyAntialiasingHint (QCPPainter *painter, bool localAntialiased, QCP::AntialiasedElement overrideElement) const

Protected Attributes
QPen	mPen

QPen	mSelectedPen

QBrush	mBrush

QBrush	mSelectedBrush

Protected Attributes inherited from QCPAbstractItem
bool	mClipToAxisRect

QPointer< QCPAxisRect >	mClipAxisRect

QList< QCPItemPosition * >	mPositions

QList< QCPItemAnchor * >	mAnchors

bool	mSelectable

bool	mSelected

Protected Attributes inherited from QCPLayerable
bool	mVisible

QCustomPlot *	mParentPlot

QPointer< QCPLayerable >	mParentLayerable

QCPLayer *	mLayer

bool	mAntialiased

Additional Inherited Members
Signals inherited from QCPAbstractItem
void	selectionChanged (bool selected)

void	selectableChanged (bool selectable)

Signals inherited from QCPLayerable
void	layerChanged (QCPLayer *newLayer)

Detailed Description

A rectangle.

Rectangle example. Blue dotted circles are anchors, solid blue discs are positions.

It has two positions, topLeft and bottomRight, which define the rectangle.

Definition at line 6190 of file qcustomplot.h.

Member Enumeration Documentation

enum QCPItemRect::AnchorIndex

protected

Enumerator
aiTop
aiTopRight
aiRight
aiBottom
aiBottomLeft
aiLeft

Definition at line 6228 of file qcustomplot.h.

Constructor & Destructor Documentation

QCPItemRect::QCPItemRect ( QCustomPlot * parentPlot )

explicit

Creates a rectangle item and sets default values.

The created item is automatically registered with parentPlot. This QCustomPlot instance takes ownership of the item, so do not delete it manually but use QCustomPlot::removeItem() instead.

Definition at line 28205 of file qcustomplot.cpp.

QCPItemRect::~QCPItemRect ( )

virtual

Definition at line 28225 of file qcustomplot.cpp.

Member Function Documentation

QPointF QCPItemRect::anchorPixelPosition ( int anchorId ) const

protectedvirtual

Reimplemented from QCPAbstractItem.

Definition at line 28302 of file qcustomplot.cpp.

QBrush QCPItemRect::brush ( ) const

inline

Definition at line 6206 of file qcustomplot.h.

void QCPItemRect::draw ( QCPPainter * painter )

protectedvirtual

Implements QCPAbstractItem.

Definition at line 28284 of file qcustomplot.cpp.

QBrush QCPItemRect::mainBrush ( ) const

protected

Definition at line 28334 of file qcustomplot.cpp.

QPen QCPItemRect::mainPen ( ) const

protected

Definition at line 28324 of file qcustomplot.cpp.

QPen QCPItemRect::pen ( ) const

inline

Definition at line 6204 of file qcustomplot.h.

QBrush QCPItemRect::selectedBrush ( ) const

inline

Definition at line 6207 of file qcustomplot.h.

QPen QCPItemRect::selectedPen ( ) const

inline

Definition at line 6205 of file qcustomplot.h.

double QCPItemRect::selectTest	(	const QPointF &	pos,
		bool	onlySelectable,
		QVariant *	details = `0`
	)		const

virtual

This function is used to decide whether a click hits a layerable object or not.

pos is a point in pixel coordinates on the QCustomPlot surface. This function returns the shortest pixel distance of this point to the object. If the object is either invisible or the distance couldn't be determined, -1.0 is returned. Further, if onlySelectable is true and the object is not selectable, -1.0 is returned, too.

If the object is represented not by single lines but by an area like a QCPItemText or the bars of a QCPBars plottable, a click inside the area should also be considered a hit. In these cases this function thus returns a constant value greater zero but still below the parent plot's selection tolerance. (typically the selectionTolerance multiplied by 0.99).

Providing a constant value for area objects allows selecting line objects even when they are obscured by such area objects, by clicking close to the lines (i.e. closer than 0.99*selectionTolerance).

The actual setting of the selection state is not done by this function. This is handled by the parent QCustomPlot when the mouseReleaseEvent occurs, and the finally selected object is notified via the selectEvent/deselectEvent methods.

details is an optional output parameter. Every layerable subclass may place any information in details. This information will be passed to selectEvent when the parent QCustomPlot decides on the basis of this selectTest call, that the object was successfully selected. The subsequent call to selectEvent will carry the details. This is useful for multi-part objects (like QCPAxis). This way, a possibly complex calculation to decide which part was clicked is only done once in selectTest. The result (i.e. the actually clicked part) can then be placed in details. So in the subsequent selectEvent, the decision which part was selected doesn't have to be done a second time for a single selection operation.

You may pass 0 as details to indicate that you are not interested in those selection details.

See also: selectEvent, deselectEvent, mousePressEvent, wheelEvent, QCustomPlot::setInteractions

Implements QCPAbstractItem.

Definition at line 28272 of file qcustomplot.cpp.

void QCPItemRect::setBrush ( const QBrush & brush )

Sets the brush that will be used to fill the rectangle. To disable filling, set brush to Qt::NoBrush.

See also: setSelectedBrush, setPen

Definition at line 28255 of file qcustomplot.cpp.

void QCPItemRect::setPen ( const QPen & pen )

Sets the pen that will be used to draw the line of the rectangle

See also: setSelectedPen, setBrush

Definition at line 28234 of file qcustomplot.cpp.

void QCPItemRect::setSelectedBrush ( const QBrush & brush )

Sets the brush that will be used to fill the rectangle when selected. To disable filling, set brush to Qt::NoBrush.

See also: setBrush

Definition at line 28266 of file qcustomplot.cpp.

void QCPItemRect::setSelectedPen ( const QPen & pen )

Sets the pen that will be used to draw the line of the rectangle when selected

See also: setPen, setSelected

Definition at line 28244 of file qcustomplot.cpp.

Member Data Documentation

QCPItemAnchor* const QCPItemRect::bottom

Definition at line 6223 of file qcustomplot.h.

QCPItemAnchor* const QCPItemRect::bottomLeft

Definition at line 6224 of file qcustomplot.h.

QCPItemPosition* const QCPItemRect::bottomRight

Definition at line 6219 of file qcustomplot.h.

QCPItemAnchor* const QCPItemRect::left

Definition at line 6225 of file qcustomplot.h.

QBrush QCPItemRect::mBrush

protected

Definition at line 6232 of file qcustomplot.h.

QPen QCPItemRect::mPen

protected

Definition at line 6231 of file qcustomplot.h.

QBrush QCPItemRect::mSelectedBrush

protected

Definition at line 6232 of file qcustomplot.h.

QPen QCPItemRect::mSelectedPen

protected

Definition at line 6231 of file qcustomplot.h.

QCPItemAnchor* const QCPItemRect::right

Definition at line 6222 of file qcustomplot.h.

QCPItemAnchor* const QCPItemRect::top

Definition at line 6220 of file qcustomplot.h.

QCPItemPosition* const QCPItemRect::topLeft

Definition at line 6218 of file qcustomplot.h.

QCPItemAnchor* const QCPItemRect::topRight

Definition at line 6221 of file qcustomplot.h.

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

Workflow/GRAPHICS/qcustomplot.h
Workflow/GRAPHICS/qcustomplot.cpp

Public Member Functions

Public Attributes

Protected Types

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation