Struct BackButton 

pub struct BackButton { /* private fields */ }

Available on crate feature yew only.

Yew component for the native back button.

Shows or hides WebApp.BackButton based on the visible prop and routes clicks through the on_click callback. The subscription is removed and the button hidden on unmount.

Examples

use telegram_webapp_sdk::yew::BackButton;
use yew::prelude::*;

#[function_component(App)]
fn app() -> Html {
    let cb = Callback::from(|_| {
        web_sys::console::log_1(&"back".into());
    });
    html! { <BackButton visible={true} on_click={cb} /> }
}

Trait Implementations

impl BaseComponent for BackButton

where Self: 'static,

type Message = ()

The Component’s Message.

type Properties = BackButtonProps

The Component’s Properties.

fn create(ctx: &Context<Self>) -> Self

Creates a component.

fn update(&mut self, _ctx: &Context<Self>, _msg: Self::Message) -> bool

Updates component’s internal state.

fn changed( &mut self, _ctx: &Context<Self>, _old_props: &Self::Properties, ) -> bool

React to changes of component properties.

fn view(&self, ctx: &Context<Self>) -> HtmlResult

Returns a component layout to be rendered.

fn rendered(&mut self, _ctx: &Context<Self>, _first_render: bool)

Notified after a layout is rendered.

fn destroy(&mut self, _ctx: &Context<Self>)

Notified before a component is destroyed.

fn prepare_state(&self) -> Option<String>

Prepares the server-side state.

impl Debug for BackButton

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

Formats the value using the given formatter.

impl FunctionProvider for BackButton

type Properties = BackButtonProps

Properties for the Function Component.

fn run(ctx: &mut HookContext, props: &Self::Properties) -> HtmlResult

Render the component. This function returns the Html to be rendered for the component.