Trait Component

pub trait Component: 'static {
    type State: State;
    type Message;

    const TICKS: bool = true;

    // Provided methods
    fn on_key(
        &mut self,
        key: KeyEvent,
        state: &mut Self::State,
        children: Children<'_, '_>,
        context: Context<'_, '_, Self::State>,
    ) { ... }
    fn on_mount(
        &mut self,
        state: &mut Self::State,
        children: Children<'_, '_>,
        context: Context<'_, '_, Self::State>,
    ) { ... }
    fn on_unmount(
        &mut self,
        state: &mut Self::State,
        children: Children<'_, '_>,
        context: Context<'_, '_, Self::State>,
    ) { ... }
    fn on_blur(
        &mut self,
        state: &mut Self::State,
        children: Children<'_, '_>,
        context: Context<'_, '_, Self::State>,
    ) { ... }
    fn on_focus(
        &mut self,
        state: &mut Self::State,
        children: Children<'_, '_>,
        context: Context<'_, '_, Self::State>,
    ) { ... }
    fn on_mouse(
        &mut self,
        mouse: MouseEvent,
        state: &mut Self::State,
        children: Children<'_, '_>,
        context: Context<'_, '_, Self::State>,
    ) { ... }
    fn on_tick(
        &mut self,
        state: &mut Self::State,
        children: Children<'_, '_>,
        context: Context<'_, '_, Self::State>,
        dt: Duration,
    ) { ... }
    fn on_message(
        &mut self,
        message: Self::Message,
        state: &mut Self::State,
        children: Children<'_, '_>,
        context: Context<'_, '_, Self::State>,
    ) { ... }
    fn on_resize(
        &mut self,
        state: &mut Self::State,
        children: Children<'_, '_>,
        context: Context<'_, '_, Self::State>,
    ) { ... }
    fn on_event(
        &mut self,
        event: &mut UserEvent<'_>,
        state: &mut Self::State,
        children: Children<'_, '_>,
        context: Context<'_, '_, Self::State>,
    ) { ... }
    fn accept_focus(&self) -> bool { ... }
}

Provided Associated Constants

const TICKS: bool = true

Required Associated Types

type State: State

type Message

Provided Methods

fn on_key( &mut self, key: KeyEvent, state: &mut Self::State, children: Children<'_, '_>, context: Context<'_, '_, Self::State>, )

fn on_mount( &mut self, state: &mut Self::State, children: Children<'_, '_>, context: Context<'_, '_, Self::State>, )

fn on_unmount( &mut self, state: &mut Self::State, children: Children<'_, '_>, context: Context<'_, '_, Self::State>, )

fn on_blur( &mut self, state: &mut Self::State, children: Children<'_, '_>, context: Context<'_, '_, Self::State>, )

fn on_focus( &mut self, state: &mut Self::State, children: Children<'_, '_>, context: Context<'_, '_, Self::State>, )

fn on_mouse( &mut self, mouse: MouseEvent, state: &mut Self::State, children: Children<'_, '_>, context: Context<'_, '_, Self::State>, )

fn on_tick( &mut self, state: &mut Self::State, children: Children<'_, '_>, context: Context<'_, '_, Self::State>, dt: Duration, )

fn on_message( &mut self, message: Self::Message, state: &mut Self::State, children: Children<'_, '_>, context: Context<'_, '_, Self::State>, )

fn on_resize( &mut self, state: &mut Self::State, children: Children<'_, '_>, context: Context<'_, '_, Self::State>, )

fn on_event( &mut self, event: &mut UserEvent<'_>, state: &mut Self::State, children: Children<'_, '_>, context: Context<'_, '_, Self::State>, )

fn accept_focus(&self) -> bool

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementations on Foreign Types

impl Component for ()

const TICKS: bool = false

type Message = ()

type State = ()

fn accept_focus(&self) -> bool

Implementors