mux

type Killable interface {
	// Kill stops all activity in this Screen.
	Kill()
}

type Msg = events.Msg

type Resizable interface {
	// Resize sets the screen dimensions of the entity to size.
	Resize(size Size) error
}

type Screen interface {
	Resizable
	Killable
	// State gets the visible state of the Screen.
	State() *tty.State
	// Subscribe subscribes to any changes to this Screen (typically
	// changes to its visible state.)
	Subscribe(context.Context) *Updater
	// Send sends an arbitrary message to the Screen.
	Send(message events.Msg)
}

type Size = geom.Vec2

type Stream interface {
	io.ReadWriter
	Resizable
	Killable
}

type UpdatePublisher struct {
	*util.Publisher[events.Msg]
}

type Updater = util.Subscriber[events.Msg]