Struct EventBus 

pub struct EventBus<A: Action, C: ComponentId> { /* private fields */ }

Event bus that manages subscriptions and dispatches events

Generic over:

• A: The action type (must implement Action)
• C: The component ID type (must implement ComponentId)

Implementations

impl<A: Action, C: ComponentId> EventBus<A, C>

pub fn new(action_tx: UnboundedSender<A>) -> Self

Create a new event bus

pub fn subscribe(&mut self, component: C, event_type: EventType)

Subscribe a component to an event type

pub fn subscribe_many(&mut self, component: C, event_types: &[EventType])

Subscribe a component to multiple event types

pub fn unsubscribe(&mut self, component: C, event_type: EventType)

Unsubscribe a component from an event type

pub fn unsubscribe_all(&mut self, component: C)

Unsubscribe a component from all event types

pub fn get_subscribers(&self, event_type: EventType) -> Vec<C>

Get subscribers for an event type

pub fn get_event_subscribers(&self, event: &Event<C>) -> Vec<C>

Get all subscribers that should receive an event

pub fn context_mut(&mut self) -> &mut EventContext<C>

Get mutable reference to context

pub fn context(&self) -> &EventContext<C>

Get reference to context

pub fn create_event(&self, kind: EventKind) -> Event<C>

Create an event with current context

pub fn action_tx(&self) -> &UnboundedSender<A>

Get the action sender

pub fn send(&self, action: A) -> Result<(), SendError<A>>

Send an action through the bus

pub fn update_mouse_position(&mut self, x: u16, y: u16)

Update context from mouse position

pub fn update_modifiers(&mut self, modifiers: KeyModifiers)

Update modifiers from key event