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Replace stateful widgets with new iced_pure API

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This commit is contained in:
Héctor Ramón Jiménez 2022-07-27 06:49:20 +02:00
parent c44267b85f
commit ff2519b1d4
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GPG key ID: 140CC052C94F138E
142 changed files with 3631 additions and 14494 deletions
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51
examples/custom_widget/src/main.rs
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@ -11,7 +11,8 @@ mod circle {
// implemented by `iced_wgpu` and other renderers.
use iced_native::layout::{self, Layout};
use iced_native::renderer;
use iced_native::{Color, Element, Length, Point, Rectangle, Size, Widget};
use iced_native::widget::{self, Widget};
use iced_native::{Color, Element, Length, Point, Rectangle, Size};
pub struct Circle {
radius: f32,
@ -23,6 +24,10 @@ mod circle {
}
}
pub fn circle(radius: f32) -> Circle {
Circle::new(radius)
}
impl<Message, Renderer> Widget<Message, Renderer> for Circle
where
Renderer: renderer::Renderer,
@ -45,6 +50,7 @@ mod circle {
fn draw(
&self,
_state: &widget::Tree,
renderer: &mut Renderer,
_theme: &Renderer::Theme,
_style: &renderer::Style,
@ -74,11 +80,9 @@ mod circle {
}
}
use circle::Circle;
use iced::{
slider, Alignment, Column, Container, Element, Length, Sandbox, Settings,
Slider, Text,
};
use circle::circle;
use iced::widget::{column, container, slider, text};
use iced::{Alignment, Element, Length, Sandbox, Settings};
pub fn main() -> iced::Result {
Example::run(Settings::default())
@ -86,7 +90,6 @@ pub fn main() -> iced::Result {
struct Example {
radius: f32,
slider: slider::State,
}
#[derive(Debug, Clone, Copy)]
@ -98,10 +101,7 @@ impl Sandbox for Example {
type Message = Message;
fn new() -> Self {
Example {
radius: 50.0,
slider: slider::State::new(),
}
Example { radius: 50.0 }
}
fn title(&self) -> String {
@ -116,25 +116,18 @@ impl Sandbox for Example {
}
}
fn view(&mut self) -> Element<Message> {
let content = Column::new()
.padding(20)
.spacing(20)
.max_width(500)
.align_items(Alignment::Center)
.push(Circle::new(self.radius))
.push(Text::new(format!("Radius: {:.2}", self.radius)))
.push(
Slider::new(
&mut self.slider,
1.0..=100.0,
self.radius,
Message::RadiusChanged,
)
.step(0.01),
);
fn view(&self) -> Element<Message> {
let content = column![
circle(self.radius),
text(format!("Radius: {:.2}", self.radius)),
slider(1.0..=100.0, self.radius, Message::RadiusChanged).step(0.01),
]
.padding(20)
.spacing(20)
.max_width(500)
.align_items(Alignment::Center);
Container::new(content)
container(content)
.width(Length::Fill)
.height(Length::Fill)
.center_x()