1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
use iced::{
widget::{column, 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![text_input(
"placeholder",
&self.ui.displacement,
Message::DisplacementChanged,
),]
.into()
}
}
#[derive(Debug, Clone)]
pub enum Message {
DisplacementChanged(String),
}
|