BackdropDelegate

class omni.kit.widget.graph.BackdropDelegate(scale_factor=1.0)

Bases: GraphNodeDelegateFull

A class for implementing node backdrop UI elements in the Omniverse graph widget.

This delegate class extends the functionality of GraphNodeDelegateFull to provide a custom backdrop UI for graph nodes.

Parameters:

scale_factor (float) – The factor by which the UI elements are scaled.

Methods

node_background(model, node_desc)	Creates widgets that make up the node background.
node_footer(model, node_desc)	A placeholder for creating widgets at the bottom of the node.
node_header(model, node_desc)	Creates widgets to display at the top of the node.

__init__(scale_factor=1.0)

Initializes the GraphNodeDelegateFull with an optional scale factor.

node_background(

model,

node_desc: GraphNodeDescription,

)

Creates widgets that make up the node background.

Parameters:

• model – The graph model that contains the node data.

• node_desc (GraphNodeDescription) – The graphical description of the node.

Raises:

Exception – If an error occurs in the underlying UI toolkit.

node_footer(

model,

node_desc: GraphNodeDescription,

)

A placeholder for creating widgets at the bottom of the node.

Parameters:

• model – The graph model that contains the node data.

• node_desc (GraphNodeDescription) – The graphical description of the node.

node_header(

model,

node_desc: GraphNodeDescription,

)

Creates widgets to display at the top of the node.

Parameters:

• model – The graph model that contains the node data.

• node_desc (GraphNodeDescription) – The graphical description of the node.