Inheritance diagram for EdgeWidget:

Collaboration diagram for EdgeWidget:

Public Member Functions
	EdgeWidget (NodeWidget source_node, NodeWidget destination_node, QColor color=Qt::black, QColor alt_color=Qt::black, Qt::PenStyle pen_style=Qt::SolidLine, int opacity=255, QGraphicsItem *parent=0)

void	set_source_node (NodeWidget *source_node)

void	set_destination_node (NodeWidget *destination_node)

NodeWidget *	source_node () const

NodeWidget *	destination_node () const

void	set_intensity (bool intensity)

bool	high_intensity () const

void	set_color (QColor)

QColor	color () const

void	set_alternate_color (QColor)

QColor	alternate_color () const

void	set_opacity (int)

int	opacity () const

void	set_pen_style (Qt::PenStyle pen)

Qt::PenStyle	pen_style ()

QPainterPath	shape () const

void	adjust ()

void	hoverEnterEvent (QGraphicsSceneHoverEvent *event)

void	hoverLeaveEvent (QGraphicsSceneHoverEvent *event)

void	use_alternate_color (bool condition)

Protected Member Functions
void	paint (QPainter painter, const QStyleOptionGraphicsItem option, QWidget *widget=0)

QRectF	boundingRect () const

Constructor & Destructor Documentation

The constructor for the EdgeWidget class.

Parameters

source_node	The node from which the edge originate
destination_node	The node to which the edge go
color	The main color used for the node (unless the alternate colouring is enabled)
alt_color	The edge supports a secondary color, the alternate color.
pen_style	The style for the pen that is used to draw the line, can be used for drawing solid or dotted lines.
parent	Used for placement in the GUI.

Member Function Documentation

void EdgeWidget::adjust ( )

Adjusts the anchor points for the edge - to attach correctly to an ellipse

QRectF EdgeWidget::boundingRect ( ) const

protected

Overriding the bounding rect method for drawing an edge

void EdgeWidget::hoverEnterEvent ( QGraphicsSceneHoverEvent * event )

Events to make the tooltip appear more swiftly on mouse-hoover

void EdgeWidget::paint	(	QPainter *	painter,
		const QStyleOptionGraphicsItem *	option,
		QWidget *	widget = `0`
	)

protected

Overriding the parent method for drawing an edge

void EdgeWidget::set_intensity ( bool intensity )

Sets intensity of the edge to which it will be assigned a thicker thickness if true

Parameters

intensity True if to be drawn thick, otherwise false

void EdgeWidget::set_source_node ( NodeWidget * source_node )

Setters and getters for source and destination node of the edge

Parameters

source_node	The node from which the edge originate
destination_node	The node to which the edge go

QPainterPath EdgeWidget::shape ( ) const

Creates the Path that will be drawn - the edge line in the graph that is

void EdgeWidget::use_alternate_color ( bool condition )

Function to change if we want to color by using the alternate color

Parameters

condition If true, use the alternate color

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