#include <Plugin-VSI/scene/graphicsScene.hh>

Inheritance diagram for VSI::GraphicsScene:

Public Slots
void	contentChange ()
	handle content changes

void	clearScene (bool _start=false)
	clear the whole scene (_start = keep start element)

Signals
void	contentChanged ()
	Informs about content changes.

Public Member Functions
	GraphicsScene (VSI::Context _ctx, ElementFunction _function=NULL)
	Constructor.

	~GraphicsScene ()
	Destructor.

GraphicsView *	graphicsView ()
	Graphics view of the scene.

qreal	getNewZ ()
	Returns a new Z value that is above all elements.

void	moveElements (qreal _dx, qreal _dy, bool _selected=false)
	Moves all elements.

void	scaleElements (qreal _delta)
	Scale all elements with scaling center in the center of the scene.

void	scaleElements (qreal _delta, QPointF _center)
	Scale all elements with scaling center _canter.

void	addElement (SceneElement *_element)
	Add the element to the scene.

bool	removeElement (SceneElement *_element)
	Remove the element from the scene.

void	mouseMove (QPointF _pos)
	Redirect mouse movement to tools area.

void	mouseRelease (QPointF _pos, QGraphicsItem *_item)
	Redirect mouse release to tools area.

QRectF	elementsBoundingRect ()
	Bounding rectangle of all scene elements.

ElementArea *	elementArea () const
	Element area.

const QList< SceneElement * > &	elements () const
	Scene elements.

QString	generateCode (QString &errors, bool _codeOnly=false)
	Generate textual script code (_codeOnly = only pure code block)

WayFind *	wayFind ()
	WayFind object.

void	saveToXml (QDomDocument &_doc, QDomElement &_root)
	Save to xml.

void	loadFromXml (QDomElement &_domElement)
	Load from xml.

ElementFunction *	function ()
	Associated function.

void	setActiveConnection (Connection *_conn)
	Sets the active connection.

Protected Member Functions
virtual void	drawBackground (QPainter *_painter, const QRectF &_rect)

void	dragEnterEvent (QGraphicsSceneDragDropEvent *_event)

void	dragLeaveEvent (QGraphicsSceneDragDropEvent *_event)

void	dragMoveEvent (QGraphicsSceneDragDropEvent *_event)

void	dropEvent (QGraphicsSceneDragDropEvent *_event)

void	mousePressEvent (QGraphicsSceneMouseEvent *_event)

void	mouseMoveEvent (QGraphicsSceneMouseEvent *_event)

void	mouseReleaseEvent (QGraphicsSceneMouseEvent *_event)

Private Slots
void	updateConnections ()

void	sceneResized (const QRectF &_rect)

Private Member Functions
QString	updateConnections (SceneElement *_from, bool _isStart)

bool	validMimeData (const QMimeData *)

QString	mimeDataElementName (const QMimeData *)

QPoint	mimeDataPoint (const QMimeData *)

void	loadElement (QDomElement &_domElement, std::vector< QString > &_connections)

void	loadConnection (QString &_connections)

QList< SceneElement * >	getAllElements ()

Private Attributes
Context *	ctx_

ElementFunction *	function_

GraphicsView *	view_

SceneElement *	dndElement_

SceneTools *	tools_

ElementArea *	elementArea_

QGraphicsRectItem *	selection_

QPointF	selectionStart_

bool	selectionActive_

bool	dontMoveStart_

bool	blockChanges_

Connection *	activeConnection_

qreal	currentZ_

WayFind *	wayFind_

Detailed Description

Implementation of the Qt graphics scene graph and the represatation of the visual script

Definition at line 79 of file graphicsScene.hh.

Constructor & Destructor Documentation

◆ GraphicsScene()

VSI::GraphicsScene::GraphicsScene	(	VSI::Context *	_ctx,
		ElementFunction *	_function = `NULL`
	)

Constructor.

Definition at line 84 of file graphicsScene.cc.

◆ ~GraphicsScene()

VSI::GraphicsScene::~GraphicsScene ( )

Destructor.

destructor

Definition at line 153 of file graphicsScene.cc.

Member Function Documentation

◆ addElement()

void VSI::GraphicsScene::addElement ( SceneElement * _element )

Add the element to the scene.

Definition at line 297 of file graphicsScene.cc.

◆ clearScene

void VSI::GraphicsScene::clearScene ( bool _start = false )

slot

clear the whole scene (_start = keep start element)

Definition at line 1025 of file graphicsScene.cc.

◆ contentChange

void VSI::GraphicsScene::contentChange ( )

slot

handle content changes

Definition at line 1098 of file graphicsScene.cc.

◆ dragEnterEvent()

void VSI::GraphicsScene::dragEnterEvent ( QGraphicsSceneDragDropEvent * _event )

protected

Definition at line 173 of file graphicsScene.cc.

◆ dragLeaveEvent()

void VSI::GraphicsScene::dragLeaveEvent ( QGraphicsSceneDragDropEvent * _event )

protected

Definition at line 197 of file graphicsScene.cc.

◆ dragMoveEvent()

void VSI::GraphicsScene::dragMoveEvent ( QGraphicsSceneDragDropEvent * _event )

protected

Definition at line 214 of file graphicsScene.cc.

◆ drawBackground()

void VSI::GraphicsScene::drawBackground	(	QPainter *	_painter,
		const QRectF &	_rect
	)

protectedvirtual

Definition at line 165 of file graphicsScene.cc.

◆ dropEvent()

void VSI::GraphicsScene::dropEvent ( QGraphicsSceneDragDropEvent * _event )

protected

Definition at line 233 of file graphicsScene.cc.

◆ elementArea()

ElementArea * VSI::GraphicsScene::elementArea ( ) const

inline

Element area.

Definition at line 122 of file graphicsScene.hh.

◆ elements()

const QList< SceneElement * > & VSI::GraphicsScene::elements ( ) const

Scene elements.

Bounding rectangle of all scene elements.

Definition at line 346 of file graphicsScene.cc.

◆ elementsBoundingRect()

QRectF VSI::GraphicsScene::elementsBoundingRect ( )

Bounding rectangle of all scene elements.

Definition at line 335 of file graphicsScene.cc.

◆ function()

ElementFunction * VSI::GraphicsScene::function ( )

inline

Associated function.

Definition at line 140 of file graphicsScene.hh.

◆ generateCode()

QString VSI::GraphicsScene::generateCode	(	QString &	errors,
		bool	_codeOnly = `false`
	)

Generate textual script code (_codeOnly = only pure code block)

Definition at line 456 of file graphicsScene.cc.

◆ getAllElements()

QList< SceneElement * > VSI::GraphicsScene::getAllElements ( )

private

Definition at line 437 of file graphicsScene.cc.

◆ getNewZ()

qreal VSI::GraphicsScene::getNewZ ( )

Returns a new Z value that is above all elements.

Definition at line 250 of file graphicsScene.cc.

◆ graphicsView()

GraphicsView * VSI::GraphicsScene::graphicsView ( )

inline

Graphics view of the scene.

Definition at line 92 of file graphicsScene.hh.

◆ loadConnection()

void VSI::GraphicsScene::loadConnection ( QString & _connections )

private

Definition at line 953 of file graphicsScene.cc.

◆ loadElement()

void VSI::GraphicsScene::loadElement	(	QDomElement &	_domElement,
		std::vector< QString > &	_connections
	)

private

Definition at line 937 of file graphicsScene.cc.

◆ loadFromXml()

void VSI::GraphicsScene::loadFromXml ( QDomElement & _domElement )

Load from xml.

Definition at line 872 of file graphicsScene.cc.

◆ mimeDataElementName()

QString VSI::GraphicsScene::mimeDataElementName ( const QMimeData * _m )

private

Definition at line 802 of file graphicsScene.cc.

◆ mimeDataPoint()

QPoint VSI::GraphicsScene::mimeDataPoint ( const QMimeData * _m )

private

Definition at line 817 of file graphicsScene.cc.

◆ mouseMove()

void VSI::GraphicsScene::mouseMove ( QPointF _pos )

Redirect mouse movement to tools area.

Definition at line 320 of file graphicsScene.cc.

◆ mouseMoveEvent()

void VSI::GraphicsScene::mouseMoveEvent ( QGraphicsSceneMouseEvent * _event )

protected

Definition at line 381 of file graphicsScene.cc.

◆ mousePressEvent()

void VSI::GraphicsScene::mousePressEvent ( QGraphicsSceneMouseEvent * _event )

protected

Definition at line 354 of file graphicsScene.cc.

◆ mouseRelease()

void VSI::GraphicsScene::mouseRelease	(	QPointF	_pos,
		QGraphicsItem *	_item
	)

Redirect mouse release to tools area.

Definition at line 328 of file graphicsScene.cc.

◆ mouseReleaseEvent()

void VSI::GraphicsScene::mouseReleaseEvent ( QGraphicsSceneMouseEvent * _event )

protected

Definition at line 399 of file graphicsScene.cc.

◆ moveElements()

void VSI::GraphicsScene::moveElements	(	qreal	_dx,
		qreal	_dy,
		bool	_selected = `false`
	)

Moves all elements.

Definition at line 259 of file graphicsScene.cc.

◆ removeElement()

bool VSI::GraphicsScene::removeElement ( SceneElement * _element )

Remove the element from the scene.

Definition at line 307 of file graphicsScene.cc.

◆ saveToXml()

void VSI::GraphicsScene::saveToXml	(	QDomDocument &	_doc,
		QDomElement &	_root
	)

Save to xml.

Definition at line 840 of file graphicsScene.cc.

◆ scaleElements() [1/2]

void VSI::GraphicsScene::scaleElements ( qreal _delta )

Scale all elements with scaling center in the center of the scene.

Definition at line 278 of file graphicsScene.cc.

◆ scaleElements() [2/2]

void VSI::GraphicsScene::scaleElements	(	qreal	_delta,
		QPointF	_center
	)

Scale all elements with scaling center _canter.

Definition at line 288 of file graphicsScene.cc.

◆ sceneResized

void VSI::GraphicsScene::sceneResized ( const QRectF & _rect )

privateslot

Definition at line 1109 of file graphicsScene.cc.

◆ setActiveConnection()

void VSI::GraphicsScene::setActiveConnection ( Connection * _conn )

inline

Sets the active connection.

Definition at line 143 of file graphicsScene.hh.

◆ updateConnections [1/2]

void VSI::GraphicsScene::updateConnections ( )

privateslot

Definition at line 1071 of file graphicsScene.cc.

◆ updateConnections() [2/2]

QString VSI::GraphicsScene::updateConnections	(	SceneElement *	_from,
		bool	_isStart
	)

private

Definition at line 750 of file graphicsScene.cc.

◆ validMimeData()

bool VSI::GraphicsScene::validMimeData ( const QMimeData * _m )

private

Definition at line 794 of file graphicsScene.cc.

◆ wayFind()

WayFind * VSI::GraphicsScene::wayFind ( )

inline

WayFind object.

Definition at line 131 of file graphicsScene.hh.

Member Data Documentation

◆ activeConnection_

Connection* VSI::GraphicsScene::activeConnection_

private

Definition at line 220 of file graphicsScene.hh.

◆ blockChanges_

bool VSI::GraphicsScene::blockChanges_

private

Definition at line 218 of file graphicsScene.hh.

◆ ctx_

Context* VSI::GraphicsScene::ctx_

private

Definition at line 204 of file graphicsScene.hh.

◆ currentZ_

qreal VSI::GraphicsScene::currentZ_

private

Definition at line 222 of file graphicsScene.hh.

◆ dndElement_

SceneElement* VSI::GraphicsScene::dndElement_

private

Definition at line 208 of file graphicsScene.hh.

◆ dontMoveStart_

bool VSI::GraphicsScene::dontMoveStart_

private

Definition at line 217 of file graphicsScene.hh.

◆ elementArea_

ElementArea* VSI::GraphicsScene::elementArea_

private

Definition at line 211 of file graphicsScene.hh.

◆ function_

ElementFunction* VSI::GraphicsScene::function_

private

Definition at line 205 of file graphicsScene.hh.

◆ selection_

QGraphicsRectItem* VSI::GraphicsScene::selection_

private

Definition at line 213 of file graphicsScene.hh.

◆ selectionActive_

bool VSI::GraphicsScene::selectionActive_

private

Definition at line 215 of file graphicsScene.hh.

◆ selectionStart_

QPointF VSI::GraphicsScene::selectionStart_

private

Definition at line 214 of file graphicsScene.hh.

◆ tools_

SceneTools* VSI::GraphicsScene::tools_

private

Definition at line 209 of file graphicsScene.hh.

◆ view_

GraphicsView* VSI::GraphicsScene::view_

private

Definition at line 206 of file graphicsScene.hh.

◆ wayFind_

WayFind* VSI::GraphicsScene::wayFind_

private

Definition at line 224 of file graphicsScene.hh.

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

Plugin-VSI/scene/graphicsScene.hh
Plugin-VSI/scene/graphicsScene.cc

Public Slots

Signals

Public Member Functions

Protected Member Functions

Private Slots

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ GraphicsScene()

◆ ~GraphicsScene()

Member Function Documentation

◆ addElement()

◆ clearScene

◆ contentChange

◆ dragEnterEvent()

◆ dragLeaveEvent()

◆ dragMoveEvent()

◆ drawBackground()

◆ dropEvent()

◆ elementArea()

◆ elements()

◆ elementsBoundingRect()

◆ function()

◆ generateCode()

◆ getAllElements()

◆ getNewZ()

◆ graphicsView()

◆ loadConnection()

◆ loadElement()

◆ loadFromXml()

◆ mimeDataElementName()

◆ mimeDataPoint()

◆ mouseMove()

◆ mouseMoveEvent()

◆ mousePressEvent()

◆ mouseRelease()

◆ mouseReleaseEvent()

◆ moveElements()

◆ removeElement()

◆ saveToXml()

◆ scaleElements() [1/2]

◆ scaleElements() [2/2]

◆ sceneResized

◆ setActiveConnection()

◆ updateConnections [1/2]

◆ updateConnections() [2/2]

◆ validMimeData()

◆ wayFind()

Member Data Documentation

◆ activeConnection_

◆ blockChanges_

◆ ctx_

◆ currentZ_

◆ dndElement_

◆ dontMoveStart_

◆ elementArea_

◆ function_

◆ selection_

◆ selectionActive_

◆ selectionStart_

◆ tools_

◆ view_

◆ wayFind_