Struct BoxComponent 

pub struct BoxComponent<M, Ev, Err>(/* private fields */);

Available on crate feature winio only.

A boxed component. It is not initialized directly, but constructed by Child::into_boxed or Root::into_boxed.

Trait Implementations

impl<M, Ev, Err> Component for BoxComponent<M, Ev, Err>

where Err: Debug,

type Error = Err

The error type.

type Event = Ev

The output event type to the parent.

type Init<'a> = Infallible

Initial parameter type.

type Message = M

The input message type to update.

async fn init( init: <BoxComponent<M, Ev, Err> as Component>::Init<'_>, _sender: &ComponentSender<BoxComponent<M, Ev, Err>>, ) -> Result<BoxComponent<M, Ev, Err>, <BoxComponent<M, Ev, Err> as Component>::Error>

Create the initial component.

async fn start( &mut self, sender: &ComponentSender<BoxComponent<M, Ev, Err>>, ) -> !

Start the event listening.

async fn update_children( &mut self, ) -> Result<bool, <BoxComponent<M, Ev, Err> as Component>::Error>

Update the children components. Return true if any child needs render.

async fn update( &mut self, message: <BoxComponent<M, Ev, Err> as Component>::Message, sender: &ComponentSender<BoxComponent<M, Ev, Err>>, ) -> Result<bool, <BoxComponent<M, Ev, Err> as Component>::Error>

Respond to the message. Return true if need render.

fn render( &mut self, sender: &ComponentSender<BoxComponent<M, Ev, Err>>, ) -> Result<(), <BoxComponent<M, Ev, Err> as Component>::Error>

Render the widgets.

fn render_children( &mut self, ) -> Result<(), <BoxComponent<M, Ev, Err> as Component>::Error>

Render the children components. It will be called if any child or self needs render.

impl<M, Ev, Err> Debug for BoxComponent<M, Ev, Err>

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.