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use iced::{
widget::{column, row, text, text_input},
Element, Sandbox, Settings,
};
use volute::volume::{CubicMetre, Volume};
pub fn main() -> iced::Result {
App::run(Settings::default())
}
struct App {
displacement: Box<dyn Volume>,
ui: UI,
}
#[derive(Default)]
struct UI {
displacement: String,
}
impl App {
fn set_displacement(&mut self, displacement: &str) {
if displacement.len() == 0 {
self.displacement.set(0.0);
self.ui.displacement = "".to_string();
} else if let Ok(d) = displacement.parse::<f64>() {
self.displacement.set(d);
self.ui.displacement = String::from(displacement);
}
}
}
impl Default for App {
fn default() -> Self {
Self {
displacement: Box::new(CubicMetre::default()),
ui: UI::default(),
}
}
}
impl Sandbox for App {
type Message = Message;
fn new() -> Self {
Self::default()
}
fn title(&self) -> String {
String::from("volute")
}
fn update(&mut self, message: Message) {
match message {
Message::DisplacementChanged(displacement) => {
self.set_displacement(&displacement);
}
}
}
fn view(&self) -> Element<Self::Message> {
column![row![
text("Displacement:"),
text_input("2.0", &self.ui.displacement, Message::DisplacementChanged),
]]
.into()
}
}
#[derive(Debug, Clone)]
pub enum Message {
DisplacementChanged(String),
}
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