NodeItem Class Reference

#include <CanvasItems.h>

Inheritance diagram for NodeItem:

List of all members.

Detailed Description

a Node (point) also can keep track of edges it is connected to

Definition at line 197 of file commonQt/canvas/CanvasItems.h.

Public Member Functions

NodeItem (QCanvas *canvas, double x=0, double y=0, CompositeItem *comp=0)

Construct.

virtual ~NodeItem ()

virtual void setPoint (double x, double y, EdgeItem *mover=0)

set the position of this object, also updates any linked edges

virtual void setPoint (gutz::vec3d v, EdgeItem *mover=0)

gutz::vec3d getPoint () const

void setSize (int sz)

change the diameter of the node

QPoint center ()

virtual void moveBy (double dx, double dy)

part of QCanvasItem spec, not for general use updates edge items

virtual QPointArray areaPoints () const

polygonalItem interface stuff

void addInEdge (EdgeItem *edge)

these are for registering edge links, called by edge automatically, not for general use

void addOutEdge (EdgeItem *edge)

virtual void setSelected (bool yes)

is it selected? (currently being modified) bool isSelected() declared in QCanvasItem

virtual void setActive (bool yes)

has it been selected and modifiable as a group? bool isActive() declared in QCanvasItem

bool getUpdateLinks () const

do you want this object to update other objects that are linked to it?

void setUpdateLinks (bool yes)

Protected Member Functions

virtual void drawShape (QPainter &p)

polygonalItem interface stuff

void updatePen ()

virtual void _incCount ()

gutz::Counted interface, increment reference count by one.

virtual void _decCount ()

gutz::Counted interface, decrement reference count by one.

virtual int _getCount () const

gutz::Counted interface, get the current reference count.

Protected Attributes

QPtrList< EdgeItem > inList

QPtrList< EdgeItem > outList

int _sz

CompositeItem * _comp

bool _updateLinks

Friends

class SmartPtr

class SmartPtrRef

Constructor & Destructor Documentation

NodeItem::NodeItem ( QCanvas * canvas,

double x = 0,

double y = 0,

CompositeItem * comp = 0

)

Construct.

Definition at line 222 of file CanvasItems.cpp.
References x, and y.

virtual NodeItem::~NodeItem ( ) [inline, virtual]

Definition at line 201 of file commonQt/canvas/CanvasItems.h.

Member Function Documentation

virtual void gutz::Counted::_decCount ( ) [inline, protected, virtual, inherited]

gutz::Counted interface, decrement reference count by one.
Not generaly used by subclasses, mostly for collaboration with gutz::SmartPtr. Sometimes you need to call this though, see the documentation for gutz::SmartPtr
Definition at line 54 of file smartptr.h.
Referenced by TFImage::clear(), NrroImage::fBlendOverRGBA(), and Nrro::updateMinMax().

virtual int gutz::Counted::_getCount ( ) const [inline, protected, virtual, inherited]

gutz::Counted interface, get the current reference count.
Not generaly used by subclasses, mostly for collaboration with gutz::SmartPtr.
Definition at line 58 of file smartptr.h.

virtual void gutz::Counted::_incCount ( ) [inline, protected, virtual, inherited]

gutz::Counted interface, increment reference count by one.
Not generaly used by subclasses, mostly for collaboration with gutz::SmartPtr. Sometimes you need to call this though, see the documentation for gutz::SmartPtr
Definition at line 48 of file smartptr.h.
Referenced by TFImage::clear(), NrroImage::fBlendOverRGBA(), and Nrro::updateMinMax().

void NodeItem::addInEdge ( EdgeItem * edge ) [inline]

these are for registering edge links, called by edge automatically, not for general use

Definition at line 223 of file commonQt/canvas/CanvasItems.h.
References inList.
Referenced by EdgeItem::EdgeItem().

void NodeItem::addOutEdge ( EdgeItem * edge ) [inline]

Definition at line 224 of file commonQt/canvas/CanvasItems.h.
References outList.
Referenced by EdgeItem::EdgeItem().

QPointArray NodeItem::areaPoints ( ) const [virtual]

polygonalItem interface stuff

Implements CanvasItemIF.
Definition at line 315 of file CanvasItems.cpp.
References _sz, x, and y.

QPoint NodeItem::center ( ) [inline]

Definition at line 212 of file commonQt/canvas/CanvasItems.h.

void NodeItem::drawShape ( QPainter & p ) [protected, virtual]

polygonalItem interface stuff

Implements CanvasItemIF.
Definition at line 330 of file CanvasItems.cpp.
References _sz, x, and y.

gutz::vec3d NodeItem::getPoint ( ) const [inline]

Definition at line 207 of file commonQt/canvas/CanvasItems.h.
References gutz::vec3d, x, y, and z.
Referenced by moveBy(), and setPoint().

bool CanvasItemIF::getUpdateLinks ( ) const [inline, inherited]

do you want this object to update other objects that are linked to it?

Definition at line 117 of file commonQt/canvas/CanvasItems.h.
References CanvasItemIF::_updateLinks.

void NodeItem::moveBy ( double dx,

double dy

) [virtual]

part of QCanvasItem spec, not for general use updates edge items

Definition at line 283 of file CanvasItems.cpp.
References CanvasItemIF::_comp, CanvasItemIF::_updateLinks, CompositeItem::childMoved(), getPoint(), inList, outList, EdgeItem::setEndPoint(), EdgeItem::setStartPoint(), and gutz::vec3d.

void CanvasItemIF::setActive ( bool yes ) [virtual, inherited]

has it been selected and modifiable as a group? bool isActive() declared in QCanvasItem

Definition at line 68 of file CanvasItems.cpp.

void NodeItem::setPoint ( gutz::vec3d v,

EdgeItem * mover = 0

) [virtual]

QCanvasItem::move(v::x,v::y);
Definition at line 240 of file CanvasItems.cpp.
References CanvasItemIF::_updateLinks, getPoint(), inList, outList, EdgeItem::setEndPoint(), EdgeItem::setStartPoint(), v, gutz::vec3d, x, y, and z.

void NodeItem::setPoint ( double x,

double y,

EdgeItem * mover = 0

) [virtual]

set the position of this object, also updates any linked edges

Definition at line 233 of file CanvasItems.cpp.
References gutz::vec3d, x, y, and z.
Referenced by EdgeItem::moveBy().

void CanvasItemIF::setSelected ( bool yes ) [virtual, inherited]

is it selected? (currently being modified) bool isSelected() declared in QCanvasItem

Definition at line 61 of file CanvasItems.cpp.

void NodeItem::setSize ( int sz ) [inline]

change the diameter of the node

Definition at line 210 of file commonQt/canvas/CanvasItems.h.
References _sz.

void CanvasItemIF::setUpdateLinks ( bool yes ) [inline, inherited]

Definition at line 118 of file commonQt/canvas/CanvasItems.h.
References CanvasItemIF::_updateLinks.

void CanvasItemIF::updatePen ( ) [protected, inherited]

Friends And Related Function Documentation

friend class SmartPtr [friend, inherited]

Definition at line 40 of file smartptr.h.
Referenced by Nrro::NrroIter< T >::NrroIter().

friend class SmartPtrRef [friend, inherited]

Definition at line 41 of file smartptr.h.

Member Data Documentation

CompositeItem* CanvasItemIF::_comp [protected, inherited]

Definition at line 129 of file commonQt/canvas/CanvasItems.h.
Referenced by CanvasItemIF::CanvasItemIF(), moveBy(), and EdgeItem::moveBy().

int NodeItem::_sz [protected]

Definition at line 233 of file commonQt/canvas/CanvasItems.h.
Referenced by areaPoints(), drawShape(), and setSize().

bool CanvasItemIF::_updateLinks [protected, inherited]

Definition at line 131 of file commonQt/canvas/CanvasItems.h.
Referenced by CanvasItemIF::CanvasItemIF(), CanvasItemIF::getUpdateLinks(), moveBy(), EdgeItem::moveBy(), setPoint(), and CanvasItemIF::setUpdateLinks().

QPtrList<EdgeItem> NodeItem::inList [protected]

Definition at line 230 of file commonQt/canvas/CanvasItems.h.
Referenced by addInEdge(), moveBy(), and setPoint().

QPtrList<EdgeItem> NodeItem::outList [protected]

Definition at line 231 of file commonQt/canvas/CanvasItems.h.
Referenced by addOutEdge(), moveBy(), and setPoint().

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

Send questions, comments, and bug reports to:
jmk


Public Member Functions
	NodeItem (QCanvas canvas, double x=0, double y=0, CompositeItem comp=0)
	Construct.
virtual	~NodeItem ()
virtual void	setPoint (double x, double y, EdgeItem *mover=0)
	set the position of this object, also updates any linked edges
virtual void	setPoint (gutz::vec3d v, EdgeItem *mover=0)
gutz::vec3d	getPoint () const
void	setSize (int sz)
	change the diameter of the node
QPoint	center ()
virtual void	moveBy (double dx, double dy)
	part of QCanvasItem spec, not for general use updates edge items
virtual QPointArray	areaPoints () const
	polygonalItem interface stuff
void	addInEdge (EdgeItem *edge)
	these are for registering edge links, called by edge automatically, not for general use
void	addOutEdge (EdgeItem *edge)
virtual void	setSelected (bool yes)
	is it selected? (currently being modified) bool isSelected() declared in QCanvasItem
virtual void	setActive (bool yes)
	has it been selected and modifiable as a group? bool isActive() declared in QCanvasItem
bool	getUpdateLinks () const
	do you want this object to update other objects that are linked to it?
void	setUpdateLinks (bool yes)
Protected Member Functions
virtual void	drawShape (QPainter &p)
	polygonalItem interface stuff
void	updatePen ()
virtual void	_incCount ()
	gutz::Counted interface, increment reference count by one.
virtual void	_decCount ()
	gutz::Counted interface, decrement reference count by one.
virtual int	_getCount () const
	gutz::Counted interface, get the current reference count.
Protected Attributes
QPtrList< EdgeItem >	inList
QPtrList< EdgeItem >	outList
int	_sz
CompositeItem *	_comp
bool	_updateLinks
Friends
class	SmartPtr
class	SmartPtrRef