An item that is drawn when a node is dragged through the scene. More...

#include <node_drag_shadow.h>

Inheritance diagram for hal::NodeDragShadow:

Collaboration diagram for hal::NodeDragShadow:

Public Types
enum class	DragCue { Movable = 0 , Swappable = 1 , Rejected = 2 }

Public Types inherited from QGraphicsItem
enum	GraphicsItemFlag

enum	GraphicsItemChange

enum	CacheMode

enum	PanelModality

enum	anonymous

Public Member Functions
	NodeDragShadow ()

void	start (const QPointF &posF, const QSizeF &sizeF)

void	stop ()

void	setVisualCue (const DragCue cue)

QList< QPoint >	multiMoveGridPositions () const

Public Member Functions inherited from QGraphicsItem
	QGraphicsItem (QGraphicsItem *parent)

virtual	~QGraphicsItem ()

QGraphicsScene *	scene () const const

QGraphicsItem *	parentItem () const const

QGraphicsItem *	topLevelItem () const const

QGraphicsObject *	parentObject () const const

QGraphicsWidget *	parentWidget () const const

QGraphicsWidget *	topLevelWidget () const const

QGraphicsWidget *	window () const const

QGraphicsItem *	panel () const const

void	setParentItem (QGraphicsItem *newParent)

QList< QGraphicsItem * >	children () const const

QList< QGraphicsItem * >	childItems () const const

bool	isWidget () const const

bool	isWindow () const const

bool	isPanel () const const

QGraphicsObject *	toGraphicsObject ()

const QGraphicsObject *	toGraphicsObject () const const

QGraphicsItemGroup *	group () const const

void	setGroup (QGraphicsItemGroup *group)

QGraphicsItem::GraphicsItemFlags	flags () const const

void	setFlag (QGraphicsItem::GraphicsItemFlag flag, bool enabled)

void	setFlags (QGraphicsItem::GraphicsItemFlags flags)

QGraphicsItem::CacheMode	cacheMode () const const

void	setCacheMode (QGraphicsItem::CacheMode mode, const QSize &logicalCacheSize)

QGraphicsItem::PanelModality	panelModality () const const

void	setPanelModality (QGraphicsItem::PanelModality panelModality)

bool	isBlockedByModalPanel (QGraphicsItem **blockingPanel) const const

QString	toolTip () const const

void	setToolTip (const QString &toolTip)

QCursor	cursor () const const

void	setCursor (const QCursor &cursor)

bool	hasCursor () const const

void	unsetCursor ()

bool	isVisible () const const

bool	isVisibleTo (const QGraphicsItem *parent) const const

void	setVisible (bool visible)

void	hide ()

void	show ()

bool	isEnabled () const const

void	setEnabled (bool enabled)

bool	isSelected () const const

void	setSelected (bool selected)

bool	acceptDrops () const const

void	setAcceptDrops (bool on)

qreal	opacity () const const

qreal	effectiveOpacity () const const

void	setOpacity (qreal opacity)

QGraphicsEffect *	graphicsEffect () const const

void	setGraphicsEffect (QGraphicsEffect *effect)

Qt::MouseButtons	acceptedMouseButtons () const const

void	setAcceptedMouseButtons (Qt::MouseButtons buttons)

bool	acceptsHoverEvents () const const

void	setAcceptsHoverEvents (bool enabled)

bool	acceptHoverEvents () const const

void	setAcceptHoverEvents (bool enabled)

bool	acceptTouchEvents () const const

void	setAcceptTouchEvents (bool enabled)

bool	filtersChildEvents () const const

void	setFiltersChildEvents (bool enabled)

bool	handlesChildEvents () const const

void	setHandlesChildEvents (bool enabled)

bool	isActive () const const

void	setActive (bool active)

bool	hasFocus () const const

void	setFocus (Qt::FocusReason focusReason)

void	clearFocus ()

QGraphicsItem *	focusProxy () const const

void	setFocusProxy (QGraphicsItem *item)

QGraphicsItem *	focusItem () const const

void	grabMouse ()

void	ungrabMouse ()

void	grabKeyboard ()

void	ungrabKeyboard ()

QPointF	pos () const const

qreal	x () const const

void	setX (qreal x)

qreal	y () const const

void	setY (qreal y)

QPointF	scenePos () const const

void	setPos (const QPointF &pos)

void	setPos (qreal x, qreal y)

void	moveBy (qreal dx, qreal dy)

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

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

QMatrix	matrix () const const

QMatrix	sceneMatrix () const const

void	setMatrix (const QMatrix &matrix, bool combine)

void	resetMatrix ()

QTransform	transform () const const

QTransform	sceneTransform () const const

QTransform	deviceTransform (const QTransform &viewportTransform) const const

QTransform	itemTransform (const QGraphicsItem other, bool ok) const const

void	setTransform (const QTransform &matrix, bool combine)

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	setRotation (qreal angle)

qreal	rotation () const const

void	setScale (qreal factor)

qreal	scale () const const

QList< QGraphicsTransform * >	transformations () const const

void	setTransformations (const QList< QGraphicsTransform * > &transformations)

QPointF	transformOriginPoint () const const

void	setTransformOriginPoint (const QPointF &origin)

void	setTransformOriginPoint (qreal x, qreal y)

virtual void	advance (int phase)

qreal	zValue () const const

void	setZValue (qreal z)

void	stackBefore (const QGraphicsItem *sibling)

QRectF	childrenBoundingRect () const const

QRectF	sceneBoundingRect () const const

bool	isClipped () const const

QPainterPath	clipPath () const const

virtual bool	contains (const QPointF &point) const const

virtual bool	collidesWithItem (const QGraphicsItem *other, Qt::ItemSelectionMode mode) const const

virtual bool	collidesWithPath (const QPainterPath &path, Qt::ItemSelectionMode mode) const const

QList< QGraphicsItem * >	collidingItems (Qt::ItemSelectionMode mode) const const

bool	isObscured (const QRectF &rect) const const

bool	isObscured (qreal x, qreal y, qreal w, qreal h) const const

virtual bool	isObscuredBy (const QGraphicsItem *item) const const

virtual QPainterPath	opaqueArea () const const

QRegion	boundingRegion (const QTransform &itemToDeviceTransform) const const

qreal	boundingRegionGranularity () const const

void	setBoundingRegionGranularity (qreal granularity)

void	update (const QRectF &rect)

void	update (qreal x, qreal y, qreal width, qreal height)

void	scroll (qreal dx, qreal dy, const QRectF &rect)

QPointF	mapToItem (const QGraphicsItem *item, const QPointF &point) const const

QPointF	mapToParent (const QPointF &point) const const

QPointF	mapToScene (const QPointF &point) const const

QPolygonF	mapToItem (const QGraphicsItem *item, const QRectF &rect) const const

QPolygonF	mapToParent (const QRectF &rect) const const

QPolygonF	mapToScene (const QRectF &rect) const const

QRectF	mapRectToItem (const QGraphicsItem *item, const QRectF &rect) const const

QRectF	mapRectToParent (const QRectF &rect) const const

QRectF	mapRectToScene (const QRectF &rect) const const

QPolygonF	mapToItem (const QGraphicsItem *item, const QPolygonF &polygon) const const

QPolygonF	mapToParent (const QPolygonF &polygon) const const

QPolygonF	mapToScene (const QPolygonF &polygon) const const

QPainterPath	mapToItem (const QGraphicsItem *item, const QPainterPath &path) const const

QPainterPath	mapToParent (const QPainterPath &path) const const

QPainterPath	mapToScene (const QPainterPath &path) const const

QPointF	mapFromItem (const QGraphicsItem *item, const QPointF &point) const const

QPointF	mapFromParent (const QPointF &point) const const

QPointF	mapFromScene (const QPointF &point) const const

QPolygonF	mapFromItem (const QGraphicsItem *item, const QRectF &rect) const const

QPolygonF	mapFromParent (const QRectF &rect) const const

QPolygonF	mapFromScene (const QRectF &rect) const const

QRectF	mapRectFromItem (const QGraphicsItem *item, const QRectF &rect) const const

QRectF	mapRectFromParent (const QRectF &rect) const const

QRectF	mapRectFromScene (const QRectF &rect) const const

QPolygonF	mapFromItem (const QGraphicsItem *item, const QPolygonF &polygon) const const

QPolygonF	mapFromParent (const QPolygonF &polygon) const const

QPolygonF	mapFromScene (const QPolygonF &polygon) const const

QPainterPath	mapFromItem (const QGraphicsItem *item, const QPainterPath &path) const const

QPainterPath	mapFromParent (const QPainterPath &path) const const

QPainterPath	mapFromScene (const QPainterPath &path) const const

QPointF	mapToItem (const QGraphicsItem *item, qreal x, qreal y) const const

QPointF	mapToParent (qreal x, qreal y) const const

QPointF	mapToScene (qreal x, qreal y) const const

QPolygonF	mapToItem (const QGraphicsItem *item, qreal x, qreal y, qreal w, qreal h) const const

QPolygonF	mapToParent (qreal x, qreal y, qreal w, qreal h) const const

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

QRectF	mapRectToItem (const QGraphicsItem *item, qreal x, qreal y, qreal w, qreal h) const const

QRectF	mapRectToParent (qreal x, qreal y, qreal w, qreal h) const const

QRectF	mapRectToScene (qreal x, qreal y, qreal w, qreal h) const const

QPointF	mapFromItem (const QGraphicsItem *item, qreal x, qreal y) const const

QPointF	mapFromParent (qreal x, qreal y) const const

QPointF	mapFromScene (qreal x, qreal y) const const

QPolygonF	mapFromItem (const QGraphicsItem *item, qreal x, qreal y, qreal w, qreal h) const const

QPolygonF	mapFromParent (qreal x, qreal y, qreal w, qreal h) const const

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

QRectF	mapRectFromItem (const QGraphicsItem *item, qreal x, qreal y, qreal w, qreal h) const const

QRectF	mapRectFromParent (qreal x, qreal y, qreal w, qreal h) const const

QRectF	mapRectFromScene (qreal x, qreal y, qreal w, qreal h) const const

bool	isAncestorOf (const QGraphicsItem *child) const const

QGraphicsItem *	commonAncestorItem (const QGraphicsItem *other) const const

bool	isUnderMouse () const const

QVariant	data (int key) const const

void	setData (int key, const QVariant &value)

Qt::InputMethodHints	inputMethodHints () const const

void	setInputMethodHints (Qt::InputMethodHints hints)

virtual int	type () const const

void	installSceneEventFilter (QGraphicsItem *filterItem)

void	removeSceneEventFilter (QGraphicsItem *filterItem)

T	qgraphicsitem_cast (QGraphicsItem *item)

Static Public Member Functions
static void	setLod (const qreal lod)

static void	loadSettings ()

Protected Member Functions
void	paint (QPainter painter, const QStyleOptionGraphicsItem option, QWidget *widget=nullptr) override

QRectF	boundingRect () const override

QPainterPath	shape () const override

Protected Member Functions inherited from QGraphicsItem
void	updateMicroFocus ()

virtual bool	sceneEventFilter (QGraphicsItem watched, QEvent event)

virtual bool	sceneEvent (QEvent *event)

virtual void	contextMenuEvent (QGraphicsSceneContextMenuEvent *event)

virtual void	dragEnterEvent (QGraphicsSceneDragDropEvent *event)

virtual void	dragLeaveEvent (QGraphicsSceneDragDropEvent *event)

virtual void	dragMoveEvent (QGraphicsSceneDragDropEvent *event)

virtual void	dropEvent (QGraphicsSceneDragDropEvent *event)

virtual void	focusInEvent (QFocusEvent *event)

virtual void	focusOutEvent (QFocusEvent *event)

virtual void	hoverEnterEvent (QGraphicsSceneHoverEvent *event)

virtual void	hoverMoveEvent (QGraphicsSceneHoverEvent *event)

virtual void	hoverLeaveEvent (QGraphicsSceneHoverEvent *event)

virtual void	keyPressEvent (QKeyEvent *event)

virtual void	keyReleaseEvent (QKeyEvent *event)

virtual void	mousePressEvent (QGraphicsSceneMouseEvent *event)

virtual void	mouseMoveEvent (QGraphicsSceneMouseEvent *event)

virtual void	mouseReleaseEvent (QGraphicsSceneMouseEvent *event)

virtual void	mouseDoubleClickEvent (QGraphicsSceneMouseEvent *event)

virtual void	wheelEvent (QGraphicsSceneWheelEvent *event)

virtual void	inputMethodEvent (QInputMethodEvent *event)

virtual QVariant	inputMethodQuery (Qt::InputMethodQuery query) const const

virtual QVariant	itemChange (QGraphicsItem::GraphicsItemChange change, const QVariant &value)

void	prepareGeometryChange ()

Additional Inherited Members
Public Attributes inherited from QGraphicsItem
typedef	GraphicsItemFlags

	ItemIsMovable

	ItemIsSelectable

	ItemIsFocusable

	ItemClipsToShape

	ItemClipsChildrenToShape

	ItemIgnoresTransformations

	ItemIgnoresParentOpacity

	ItemDoesntPropagateOpacityToChildren

	ItemStacksBehindParent

	ItemUsesExtendedStyleOption

	ItemHasNoContents

	ItemSendsGeometryChanges

	ItemAcceptsInputMethod

	ItemNegativeZStacksBehindParent

	ItemIsPanel

	ItemIsFocusScope

	ItemSendsScenePositionChanges

	ItemStopsClickFocusPropagation

	ItemStopsFocusHandling

	ItemContainsChildrenInShape

	ItemPositionChange

	ItemMatrixChange

	ItemVisibleChange

	ItemEnabledChange

	ItemSelectedChange

	ItemParentChange

	ItemChildAddedChange

	ItemChildRemovedChange

	ItemTransformChange

	ItemPositionHasChanged

	ItemTransformHasChanged

	ItemSceneChange

	ItemVisibleHasChanged

	ItemEnabledHasChanged

	ItemSelectedHasChanged

	ItemParentHasChanged

	ItemSceneHasChanged

	ItemCursorChange

	ItemCursorHasChanged

	ItemToolTipChange

	ItemToolTipHasChanged

	ItemFlagsChange

	ItemFlagsHaveChanged

	ItemZValueChange

	ItemZValueHasChanged

	ItemOpacityChange

	ItemOpacityHasChanged

	ItemScenePositionHasChanged

	ItemRotationChange

	ItemRotationHasChanged

	ItemScaleChange

	ItemScaleHasChanged

	ItemTransformOriginPointChange

	ItemTransformOriginPointHasChanged

	NoCache

	ItemCoordinateCache

	DeviceCoordinateCache

	NonModal

	PanelModal

	SceneModal

	Type

	UserType

Detailed Description

An item that is drawn when a node is dragged through the scene.

Definition at line 38 of file node_drag_shadow.h.

Member Enumeration Documentation

◆ DragCue

enum hal::NodeDragShadow::DragCue

strong

Enumerator
Movable
Swappable
Rejected

Definition at line 42 of file node_drag_shadow.h.

Constructor & Destructor Documentation

◆ NodeDragShadow()

hal::NodeDragShadow::NodeDragShadow ( )

Definition at line 40 of file node_drag_shadow.cpp.

References QGraphicsItem::setAcceptedMouseButtons().

Member Function Documentation

◆ boundingRect()

QRectF hal::NodeDragShadow::boundingRect ( ) const

overrideprotectedvirtual

Implements QGraphicsItem.

Definition at line 115 of file node_drag_shadow.cpp.

◆ loadSettings()

void hal::NodeDragShadow::loadSettings ( )

static

Definition at line 22 of file node_drag_shadow.cpp.

References Qt::MiterJoin, Movable, Rejected, QPen::setCosmetic(), QPen::setJoinStyle(), and Swappable.

Referenced by hal::style::debugUpdate().

◆ multiMoveGridPositions()

QList<QPoint> hal::NodeDragShadow::multiMoveGridPositions ( ) const

◆ paint()

void hal::NodeDragShadow::paint	(	QPainter *	painter,
		const QStyleOptionGraphicsItem *	option,
		QWidget *	widget = `nullptr`
	)

overrideprotectedvirtual

Implements QGraphicsItem.

Definition at line 92 of file node_drag_shadow.cpp.

References QPainter::drawRect(), QPainter::fillRect(), option(), QPen::setColor(), and QPainter::setPen().

◆ setLod()

void hal::NodeDragShadow::setLod ( const qreal lod )

static

Definition at line 81 of file node_drag_shadow.cpp.

Referenced by hal::GraphGraphicsView::paintEvent().

◆ setVisualCue()

void hal::NodeDragShadow::setVisualCue ( const DragCue cue )

Definition at line 86 of file node_drag_shadow.cpp.

References QGraphicsItem::update().

◆ shape()

QPainterPath hal::NodeDragShadow::shape ( ) const

overrideprotectedvirtual

Reimplemented from QGraphicsItem.

Definition at line 120 of file node_drag_shadow.cpp.

References QPainterPath::addRect().

◆ start()

void hal::NodeDragShadow::start	(	const QPointF &	posF,
		const QSizeF &	sizeF
	)

Definition at line 46 of file node_drag_shadow.cpp.

References QGraphicsItem::setPos(), QGraphicsItem::setZValue(), and QGraphicsItem::show().

◆ stop()

void hal::NodeDragShadow::stop ( )

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

/home/runner/work/hal/hal/plugins/gui/include/gui/graph_widget/items/utility_items/node_drag_shadow.h
/home/runner/work/hal/hal/plugins/gui/src/graph_widget/items/utility_items/node_drag_shadow.cpp

Public Types

Public Member Functions

Static Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Member Enumeration Documentation

◆ DragCue

Constructor & Destructor Documentation

◆ NodeDragShadow()

Member Function Documentation

◆ boundingRect()

◆ loadSettings()

◆ multiMoveGridPositions()

◆ paint()

◆ setLod()

◆ setVisualCue()

◆ shape()

◆ start()

◆ stop()