bd22cc0bc0
The `Widget` trait in `iced_pure` needed to change a bit to make the implementation of `Element::map` possible. Specifically, the `children` method has been split into `diff` and `children_state`.
92 lines
2.1 KiB
Rust
92 lines
2.1 KiB
Rust
use crate::{Element, Tree, Widget};
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use iced_native::layout::{self, Layout};
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use iced_native::renderer;
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use iced_native::text;
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use iced_native::{Hasher, Length, Point, Rectangle};
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use std::any::{self, Any};
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pub use iced_native::widget::Text;
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impl<Message, Renderer> Widget<Message, Renderer> for Text<Renderer>
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where
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Renderer: text::Renderer,
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{
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fn tag(&self) -> any::TypeId {
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any::TypeId::of::<()>()
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}
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fn state(&self) -> Box<dyn Any> {
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Box::new(())
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}
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fn diff(&self, _tree: &mut Tree) {}
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fn children_state(&self) -> Vec<Tree> {
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Vec::new()
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}
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fn width(&self) -> Length {
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<Self as iced_native::Widget<Message, Renderer>>::width(self)
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}
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fn height(&self) -> Length {
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<Self as iced_native::Widget<Message, Renderer>>::height(self)
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}
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fn layout(
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&self,
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renderer: &Renderer,
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limits: &layout::Limits,
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) -> layout::Node {
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<Self as iced_native::Widget<Message, Renderer>>::layout(
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self, renderer, limits,
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)
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}
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fn draw(
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&self,
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_tree: &Tree,
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renderer: &mut Renderer,
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style: &renderer::Style,
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layout: Layout<'_>,
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cursor_position: Point,
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viewport: &Rectangle,
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) {
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<Self as iced_native::Widget<Message, Renderer>>::draw(
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self,
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renderer,
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style,
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layout,
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cursor_position,
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viewport,
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)
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}
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fn hash_layout(&self, state: &mut Hasher) {
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<Self as iced_native::Widget<Message, Renderer>>::hash_layout(
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self, state,
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)
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}
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}
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impl<'a, Message, Renderer> Into<Element<'a, Message, Renderer>>
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for Text<Renderer>
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where
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Renderer: text::Renderer + 'static,
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{
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fn into(self) -> Element<'a, Message, Renderer> {
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Element::new(self)
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}
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}
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impl<'a, Message, Renderer> Into<Element<'a, Message, Renderer>>
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for &'static str
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where
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Renderer: text::Renderer + 'static,
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{
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fn into(self) -> Element<'a, Message, Renderer> {
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Text::new(self).into()
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}
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}
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