86 lines
2 KiB
Rust
86 lines
2 KiB
Rust
use iced::{
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executor, Align, Application, Checkbox, Column, Command, Container,
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Element, Length, Settings, Subscription, Text,
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};
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pub fn main() {
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Events::run(Settings::default())
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}
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#[derive(Debug, Default)]
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struct Events {
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last: Vec<iced_native::Event>,
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enabled: bool,
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}
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#[derive(Debug, Clone)]
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enum Message {
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EventOccurred(iced_native::Event),
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Toggled(bool),
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}
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impl Application for Events {
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type Executor = executor::Default;
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type Message = Message;
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fn new() -> (Events, Command<Message>) {
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(Events::default(), Command::none())
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}
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fn title(&self) -> String {
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String::from("Events - Iced")
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}
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fn update(&mut self, message: Message) -> Command<Message> {
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match message {
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Message::EventOccurred(event) => {
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self.last.push(event);
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if self.last.len() > 5 {
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let _ = self.last.remove(0);
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}
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}
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Message::Toggled(enabled) => {
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self.enabled = enabled;
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}
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};
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Command::none()
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}
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fn subscription(&self) -> Subscription<Message> {
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if self.enabled {
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iced_native::subscription::events().map(Message::EventOccurred)
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} else {
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Subscription::none()
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}
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}
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fn view(&mut self) -> Element<Message> {
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let events = self.last.iter().fold(
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Column::new().spacing(10),
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|column, event| {
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column.push(Text::new(format!("{:?}", event)).size(40))
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},
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);
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let toggle = Checkbox::new(
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self.enabled,
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"Listen to runtime events",
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Message::Toggled,
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);
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let content = Column::new()
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.align_items(Align::Center)
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.spacing(20)
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.push(events)
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.push(toggle);
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Container::new(content)
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.width(Length::Fill)
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.height(Length::Fill)
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.center_x()
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.center_y()
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.into()
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}
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}
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