Struct WithState

pub struct WithState<S, T, V> { /* private fields */ }

A view that stores some additional data.

Implementations

impl<S, T, V> WithState<S, T, V>

pub fn new( build: impl FnOnce() -> S + 'static, view: impl FnMut(&mut S, &mut T) -> V + 'static, ) -> WithState<S, T, V>

Create a new WithState.

Trait Implementations

impl<S, T, V> View<T> for WithState<S, T, V>

where V: View<(S, T)>,

type State = (Pod<V>, S, PodState<(S, T), V>)

The state of the view, see top-level documentation for more information.

fn build( &mut self, cx: &mut BuildCx<'_, '_>, data: &mut T, ) -> <WithState<S, T, V> as View<T>>::State

Build the view state, see top-level documentation for more information.

fn rebuild( &mut self, _: &mut <WithState<S, T, V> as View<T>>::State, cx: &mut RebuildCx<'_, '_>, data: &mut T, _old: &WithState<S, T, V>, )

Rebuild the view state, see top-level documentation for more information.

fn event( &mut self, _: &mut <WithState<S, T, V> as View<T>>::State, cx: &mut EventCx<'_, '_>, data: &mut T, event: &Event, ) -> bool

Handle an event, see top-level documentation for more information.

fn layout( &mut self, _: &mut <WithState<S, T, V> as View<T>>::State, cx: &mut LayoutCx<'_, '_>, data: &mut T, space: Space, ) -> Size

Layout the view, see top-level documentation for more information.

fn draw( &mut self, _: &mut <WithState<S, T, V> as View<T>>::State, cx: &mut DrawCx<'_, '_>, data: &mut T, )

Draw the view, see top-level documentation for more information.