QNodeEditor.graphics.edge.EdgeGraphics

class QNodeEditor.graphics.edge.EdgeGraphics(edge: Edge, theme: ~typing.Type[~QNodeEditor.themes.theme.Theme] = <class 'QNodeEditor.themes.dark.DarkTheme'>)

Bases: QGraphicsPathItem

Extension of QGraphicsPathItem for drawing an edge.

This class is abstract. It serves as a base class for various edge types.

Properties

pos_end	Get or set the scene ending position of the edge.
pos_start	Get or set the scene starting position of the edge.

Methods

__init__	Create new edge graphics.
boundingRect	Get the bounding rectangle of the edge.
create_path	Abstract method that calculates the path of the edge.
hoverEnterEvent	Update the edge graphics if the mouse is hovered over it.
hoverLeaveEvent	Update the edge graphics if the mouse stops hovering over it.
intersects_line	Checks whether a line segment intersects with this edge.
paint	Draw the edge
shape	Get the shape of the edge.

__init__(edge: Edge, theme: ~typing.Type[~QNodeEditor.themes.theme.Theme] = <class 'QNodeEditor.themes.dark.DarkTheme'>)

Create new edge graphics.

Parameters:

• edge (Edge) – Edge these graphics are for

• theme (Type[Theme], optional) – Theme for the edge graphics (default: DarkTheme)

abstract create_path() → QPainterPath

Abstract method that calculates the path of the edge.

Returns:

Path connecting start and end point

Return type:

QPainterPath

intersects_line(point1: QPointF, point2: QPointF) → bool

Checks whether a line segment intersects with this edge.

Parameters:

• point1 (QPointF) – Line segment starting point

• point2 (QPointF) – Line segment end point

Returns:

Whether the line segment intersects the edge

Return type:

bool

property pos_end: QPointF

Get or set the scene ending position of the edge.

property pos_start: QPointF

Get or set the scene starting position of the edge.