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|
use iced::widget::{column, pick_list, scrollable, vertical_space};
use iced::{Center, Element, Fill};
pub fn main() -> iced::Result {
iced::run("Pick List - Iced", Example::update, Example::view)
}
#[derive(Default)]
struct Example {
selected_language: Option<Language>,
}
#[derive(Debug, Clone, Copy)]
enum Message {
LanguageSelected(Language),
}
impl Example {
fn update(&mut self, message: Message) {
match message {
Message::LanguageSelected(language) => {
self.selected_language = Some(language);
}
}
}
fn view(&self) -> Element<Message> {
let pick_list = pick_list(
&Language::ALL[..],
self.selected_language,
Message::LanguageSelected,
)
.placeholder("Choose a language...");
let content = column![
vertical_space().height(600),
"Which is your favorite language?",
pick_list,
vertical_space().height(600),
]
.width(Fill)
.align_x(Center)
.spacing(10);
scrollable(content).into()
}
}
#[derive(Debug, Clone, Copy, PartialEq, Eq, Default)]
pub enum Language {
#[default]
Rust,
Elm,
Ruby,
Haskell,
C,
Javascript,
Other,
}
impl Language {
const ALL: [Language; 7] = [
Language::C,
Language::Elm,
Language::Ruby,
Language::Haskell,
Language::Rust,
Language::Javascript,
Language::Other,
];
}
impl std::fmt::Display for Language {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(
f,
"{}",
match self {
Language::Rust => "Rust",
Language::Elm => "Elm",
Language::Ruby => "Ruby",
Language::Haskell => "Haskell",
Language::C => "C",
Language::Javascript => "Javascript",
Language::Other => "Some other language",
}
)
}
}
|
