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Write docs for responsive in iced_lazy

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Héctor Ramón Jiménez 2022-01-12 11:48:49 +07:00
parent 241e123c9b
commit f6c436aec1
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1 changed files with 13 additions and 1 deletions
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14
lazy/src/responsive.rs
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@ -1,3 +1,4 @@
//! Build responsive widgets.
use crate::{Cache, CacheBuilder};
use iced_native::event::{self, Event};
@ -13,6 +14,7 @@ use std::cell::RefCell;
use std::hash::{Hash, Hasher as _};
use std::ops::Deref;
/// The state of a [`Responsive`] widget.
#[derive(Debug, Clone, Default)]
pub struct State {
last_size: Option<Size>,
@ -25,7 +27,7 @@ impl State {
State::default()
}
pub fn layout(&self, parent: Layout<'_>) -> Layout<'_> {
fn layout(&self, parent: Layout<'_>) -> Layout<'_> {
Layout::with_offset(
parent.position() - Point::ORIGIN,
&self.last_layout,
@ -33,12 +35,22 @@ impl State {
}
}
/// A widget that is aware of its dimensions.
///
/// A [`Responsive`] widget will always try to fill all the available space of
/// its parent.
#[allow(missing_debug_implementations)]
pub struct Responsive<'a, Message, Renderer>(
RefCell<Internal<'a, Message, Renderer>>,
);
impl<'a, Message, Renderer> Responsive<'a, Message, Renderer> {
/// Creates a new [`Responsive`] widget with the given [`State`] and 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.
pub fn new(
state: &'a mut State,
view: impl FnOnce(Size) -> Element<'a, Message, Renderer> + 'a,