main.rs

use iced::widget::{column, progress_bar, slider};
use iced::{Element, Sandbox, Settings};

pub fn main() -> iced::Result {
    Progress::run(Settings::default())
}

#[derive(Default)]
struct Progress {
    value: f32,
}

#[derive(Debug, Clone, Copy)]
enum Message {
    SliderChanged(f32),
}

impl Sandbox for Progress {
    type Message = Message;

    fn new() -> Self {
        Self::default()
    }

    fn title(&self) -> String {
        String::from("A simple Progressbar")
    }

    fn update(&mut self, message: Message) {
        match message {
            Message::SliderChanged(x) => self.value = x,
        }
    }

    fn view(&self) -> Element<Message> {
        column![
            progress_bar(0.0..=100.0, self.value),
            slider(0.0..=100.0, self.value, Message::SliderChanged).step(0.01)
        ]
        .padding(20)
        .into()
    }
}