50 lines
1.5 KiB
Rust
50 lines
1.5 KiB
Rust
use crate::core::{self, Element, Size};
|
|
use crate::lazy::component::{self, Component};
|
|
use crate::lazy::{Lazy, Responsive};
|
|
|
|
use std::hash::Hash;
|
|
|
|
/// Creates a new [`Lazy`] widget with the given data `Dependency` and a
|
|
/// closure that can turn this data into a widget tree.
|
|
#[cfg(feature = "lazy")]
|
|
pub fn lazy<'a, Message, Renderer, Dependency, View>(
|
|
dependency: Dependency,
|
|
view: impl Fn(&Dependency) -> View + 'a,
|
|
) -> Lazy<'a, Message, Renderer, Dependency, View>
|
|
where
|
|
Dependency: Hash + 'a,
|
|
View: Into<Element<'static, Message, Renderer>>,
|
|
{
|
|
Lazy::new(dependency, view)
|
|
}
|
|
|
|
/// Turns an implementor of [`Component`] into an [`Element`] that can be
|
|
/// embedded in any application.
|
|
#[cfg(feature = "lazy")]
|
|
pub fn component<'a, C, Message, Renderer>(
|
|
component: C,
|
|
) -> Element<'a, Message, Renderer>
|
|
where
|
|
C: Component<Message, Renderer> + 'a,
|
|
C::State: 'static,
|
|
Message: 'a,
|
|
Renderer: core::Renderer + 'a,
|
|
{
|
|
component::view(component)
|
|
}
|
|
|
|
/// Creates a new [`Responsive`] widget with a closure that produces its
|
|
/// contents.
|
|
///
|
|
/// The `view` closure will be provided with the current [`Size`] of
|
|
/// the [`Responsive`] widget and, therefore, can be used to build the
|
|
/// contents of the widget in a responsive way.
|
|
#[cfg(feature = "lazy")]
|
|
pub fn responsive<'a, Message, Renderer>(
|
|
f: impl Fn(Size) -> Element<'a, Message, Renderer> + 'a,
|
|
) -> Responsive<'a, Message, Renderer>
|
|
where
|
|
Renderer: core::Renderer,
|
|
{
|
|
Responsive::new(f)
|
|
}
|