#include <graphwidget.h>

Inheritance diagram for GraphWidget:

Collaboration diagram for GraphWidget:

Public Slots
void	shuffle ()
	[7] More...

void	zoomIn ()

void	zoomOut ()

Public Slots inherited from QGraphicsView
void	updateScene (const QList< QRectF > &rects)

void	invalidateScene (const QRectF &rect=QRectF(), QGraphicsScene::SceneLayers layers=QGraphicsScene::AllLayers)

void	updateSceneRect (const QRectF &rect)

Public Member Functions
	GraphWidget (QWidget *parent=nullptr)
	[0] More...

void	itemMoved ()
	[1] More...

Public Member Functions inherited from QGraphicsView
	QGraphicsView (QWidget *parent=nullptr)

	QGraphicsView (QGraphicsScene scene, QWidget parent=nullptr)

	~QGraphicsView ()

QSize	sizeHint () const override

QPainter::RenderHints	renderHints () const

void	setRenderHint (QPainter::RenderHint hint, bool enabled=true)

void	setRenderHints (QPainter::RenderHints hints)

Qt::Alignment	alignment () const

void	setAlignment (Qt::Alignment alignment)

ViewportAnchor	transformationAnchor () const

void	setTransformationAnchor (ViewportAnchor anchor)

ViewportAnchor	resizeAnchor () const

void	setResizeAnchor (ViewportAnchor anchor)

ViewportUpdateMode	viewportUpdateMode () const

void	setViewportUpdateMode (ViewportUpdateMode mode)

OptimizationFlags	optimizationFlags () const

void	setOptimizationFlag (OptimizationFlag flag, bool enabled=true)

void	setOptimizationFlags (OptimizationFlags flags)

DragMode	dragMode () const

void	setDragMode (DragMode mode)

CacheMode	cacheMode () const

void	setCacheMode (CacheMode mode)

void	resetCachedContent ()

bool	isInteractive () const

void	setInteractive (bool allowed)

QGraphicsScene *	scene () const

void	setScene (QGraphicsScene *scene)

QRectF	sceneRect () const

void	setSceneRect (const QRectF &rect)

void	setSceneRect (qreal x, qreal y, qreal w, qreal h)

QTransform	transform () const

QTransform	viewportTransform () const

bool	isTransformed () const

void	setTransform (const QTransform &matrix, bool combine=false)

void	resetTransform ()

void	rotate (qreal angle)

void	scale (qreal sx, qreal sy)

void	shear (qreal sh, qreal sv)

void	translate (qreal dx, qreal dy)

void	centerOn (const QPointF &pos)

void	centerOn (qreal x, qreal y)

void	centerOn (const QGraphicsItem *item)

void	ensureVisible (const QRectF &rect, int xmargin=50, int ymargin=50)

void	ensureVisible (qreal x, qreal y, qreal w, qreal h, int xmargin=50, int ymargin=50)

void	ensureVisible (const QGraphicsItem *item, int xmargin=50, int ymargin=50)

void	fitInView (const QRectF &rect, Qt::AspectRatioMode aspectRadioMode=Qt::IgnoreAspectRatio)

void	fitInView (qreal x, qreal y, qreal w, qreal h, Qt::AspectRatioMode aspectRadioMode=Qt::IgnoreAspectRatio)

void	fitInView (const QGraphicsItem *item, Qt::AspectRatioMode aspectRadioMode=Qt::IgnoreAspectRatio)

void	render (QPainter *painter, const QRectF &target=QRectF(), const QRect &source=QRect(), Qt::AspectRatioMode aspectRatioMode=Qt::KeepAspectRatio)

QList< QGraphicsItem * >	items () const

QList< QGraphicsItem * >	items (const QPoint &pos) const

QList< QGraphicsItem * >	items (int x, int y) const

QList< QGraphicsItem * >	items (const QRect &rect, Qt::ItemSelectionMode mode=Qt::IntersectsItemShape) const

QList< QGraphicsItem * >	items (int x, int y, int w, int h, Qt::ItemSelectionMode mode=Qt::IntersectsItemShape) const

QList< QGraphicsItem * >	items (const QPolygon &polygon, Qt::ItemSelectionMode mode=Qt::IntersectsItemShape) const

QList< QGraphicsItem * >	items (const QPainterPath &path, Qt::ItemSelectionMode mode=Qt::IntersectsItemShape) const

QGraphicsItem *	itemAt (const QPoint &pos) const

QGraphicsItem *	itemAt (int x, int y) const

QPointF	mapToScene (const QPoint &point) const

QPolygonF	mapToScene (const QRect &rect) const

QPolygonF	mapToScene (const QPolygon &polygon) const

QPainterPath	mapToScene (const QPainterPath &path) const

QPoint	mapFromScene (const QPointF &point) const

QPolygon	mapFromScene (const QRectF &rect) const

QPolygon	mapFromScene (const QPolygonF &polygon) const

QPainterPath	mapFromScene (const QPainterPath &path) const

QPointF	mapToScene (int x, int y) const

QPolygonF	mapToScene (int x, int y, int w, int h) const

QPoint	mapFromScene (qreal x, qreal y) const

QPolygon	mapFromScene (qreal x, qreal y, qreal w, qreal h) const

QVariant	inputMethodQuery (Qt::InputMethodQuery query) const override

QBrush	backgroundBrush () const

void	setBackgroundBrush (const QBrush &brush)

QBrush	foregroundBrush () const

void	setForegroundBrush (const QBrush &brush)

Protected Member Functions
void	keyPressEvent (QKeyEvent *event) override
	[2] More...

void	timerEvent (QTimerEvent *event) override
	[3] More...

void	drawBackground (QPainter *painter, const QRectF &rect) override
	[4] More...

void	scaleView (qreal scaleFactor)
	[6] More...

Protected Member Functions inherited from QGraphicsView
	QGraphicsView (QGraphicsViewPrivate &, QWidget *parent=nullptr)

bool	event (QEvent *event) override

bool	viewportEvent (QEvent *event) override

void	contextMenuEvent (QContextMenuEvent *event) override

void	focusInEvent (QFocusEvent *event) override

bool	focusNextPrevChild (bool next) override

void	focusOutEvent (QFocusEvent *event) override

void	keyPressEvent (QKeyEvent *event) override

void	keyReleaseEvent (QKeyEvent *event) override

void	mouseDoubleClickEvent (QMouseEvent *event) override

void	mousePressEvent (QMouseEvent *event) override

void	mouseMoveEvent (QMouseEvent *event) override

void	mouseReleaseEvent (QMouseEvent *event) override

void	paintEvent (QPaintEvent *event) override

void	resizeEvent (QResizeEvent *event) override

void	scrollContentsBy (int dx, int dy) override

void	showEvent (QShowEvent *event) override

void	inputMethodEvent (QInputMethodEvent *event) override

virtual void	drawForeground (QPainter *painter, const QRectF &rect)

virtual void	drawItems (QPainter painter, int numItems, QGraphicsItem items[], const QStyleOptionGraphicsItem options[])

Additional Inherited Members
Public Types inherited from QGraphicsView
enum	ViewportAnchor { NoAnchor , AnchorViewCenter , AnchorUnderMouse }

enum	CacheModeFlag { CacheNone = 0x0 , CacheBackground = 0x1 }

enum	DragMode { NoDrag , ScrollHandDrag , RubberBandDrag }

enum	ViewportUpdateMode { FullViewportUpdate , MinimalViewportUpdate , SmartViewportUpdate , NoViewportUpdate , BoundingRectViewportUpdate }

enum	OptimizationFlag { DontSavePainterState = 0x1 , DontAdjustForAntialiasing = 0x2 , IndirectPainting = 0x4 }

Protected Slots inherited from QGraphicsView
void	setupViewport (QWidget *widget) override

Properties inherited from QGraphicsView
QBrush	backgroundBrush
	the background brush of the scene. More...

QBrush	foregroundBrush
	the foreground brush of the scene. More...

bool	interactive
	whether the view allows scene interaction. More...

QRectF	sceneRect
	the area of the scene visualized by this view. More...

Qt::Alignment	alignment
	the alignment of the scene in the view when the whole scene is visible. More...

QPainter::RenderHints	renderHints
	the default render hints for the view More...

DragMode	dragMode
	the behavior for dragging the mouse over the scene while the left mouse button is pressed. More...

CacheMode	cacheMode
	which parts of the view are cached More...

ViewportAnchor	transformationAnchor
	how the view should position the scene during transformations. More...

ViewportAnchor	resizeAnchor
	how the view should position the scene when the view is resized. More...

ViewportUpdateMode	viewportUpdateMode
	how the viewport should update its contents. More...

OptimizationFlags	optimizationFlags
	flags that can be used to tune QGraphicsView's performance. More...

Detailed Description

[0]

Definition at line 59 of file graphwidget.h.

Constructor & Destructor Documentation

◆ GraphWidget()

GraphWidget::GraphWidget ( QWidget * parent = nullptr )

[0]

[1]

Definition at line 61 of file graphwidget.cpp.

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Member Function Documentation

◆ drawBackground()

void GraphWidget::drawBackground	(	QPainter *	painter,
		const QRectF &	rect
	)

overrideprotectedvirtual

[4]

[6]

Reimplemented from QGraphicsView.

Definition at line 199 of file graphwidget.cpp.

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◆ itemMoved()

void GraphWidget::itemMoved ( )

[1]

[2]

Definition at line 122 of file graphwidget.cpp.

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◆ keyPressEvent()

void GraphWidget::keyPressEvent ( QKeyEvent * event )

overrideprotected

[2]

[3]

Definition at line 130 of file graphwidget.cpp.

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◆ scaleView()

void GraphWidget::scaleView ( qreal scaleFactor )

protected

[6]

[7]

Definition at line 238 of file graphwidget.cpp.

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◆ shuffle

void GraphWidget::shuffle ( )

slot

[7]

Definition at line 248 of file graphwidget.cpp.

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◆ timerEvent()

void GraphWidget::timerEvent ( QTimerEvent * event )

overrideprotected

[3]

[4]

Definition at line 162 of file graphwidget.cpp.

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◆ zoomIn

void GraphWidget::zoomIn ( )

slot

Definition at line 257 of file graphwidget.cpp.

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◆ zoomOut

void GraphWidget::zoomOut ( )

slot

Definition at line 262 of file graphwidget.cpp.

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

examples/widgets/graphicsview/elasticnodes/graphwidget.h
examples/widgets/graphicsview/elasticnodes/graphwidget.cpp

Public Slots

Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ GraphWidget()

Member Function Documentation

◆ drawBackground()

◆ itemMoved()

◆ keyPressEvent()

◆ scaleView()

◆ shuffle

◆ timerEvent()

◆ zoomIn

◆ zoomOut