VSI::GraphicsScene Class Reference

#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. More...
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. More...
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 (QXmlQuery &_xml)
	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 (QXmlQuery &_xml)
void	loadConnection (QXmlQuery &_xml)
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 80 of file graphicsScene.hh.

Constructor & Destructor Documentation

~GraphicsScene()

VSI::GraphicsScene::~GraphicsScene

(

)

Destructor.

destructor

Definition at line 155 of file graphicsScene.cc.

Member Function Documentation

elements()

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

(

)

const

Scene elements.

Bounding rectangle of all scene elements.

Definition at line 348 of file graphicsScene.cc.

---

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

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