Returns a specification to start this module under a supervisor.

See Supervisor.

Clears all drawing queues for the next frame

Queues a line to be drawn

Queues a pixel to be drawn

Queues text to be drawn

Loads an XML UI file from disk and renders it

Parses an XML string, calculates layouts, and renders to the screen

Sets an attribute on an element by ID (controller-driven state push-back)

Sets multiple attributes on an element by ID

Subscribe the calling process to receive UI events

Updates the text content of a specific element in the AST by its ID/UUID