Struct zng_app::AppEventSender

pub struct AppEventSender(/* private fields */);

A sender that can awake apps and insert events into the main loop.

A Clone of the sender is available in UPDATES.sender.

Implementations

impl AppEventSender

pub fn send_update( &self, op: UpdateOp, target: impl Into<Option<WidgetId>>, ) -> Result<(), AppDisconnected<()>>

Causes an update cycle to happen in the app.

pub fn send_resume_unwind( &self, payload: Box<dyn Any + Send + 'static>, ) -> Result<(), AppDisconnected<Box<dyn Any + Send + 'static>>>

Resume a panic in the app main loop thread.

pub fn waker(&self, target: impl Into<Option<WidgetId>>) -> Waker

Create an Waker that causes a send_update.

pub fn ext_channel<T>(&self) -> (AppExtSender<T>, AppExtReceiver<T>)

Create an unbound channel that causes an extension update for each message received.

pub fn ext_channel_bounded<T>( &self, cap: usize, ) -> (AppExtSender<T>, AppExtReceiver<T>)

Create a bounded channel that causes an extension update for each message received.

Trait Implementations

impl Clone for AppEventSender

fn clone(&self) -> AppEventSender

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.