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-rw-r--r--examples/events.rs (renamed from examples/clock.rs)80
1 files changed, 37 insertions, 43 deletions
diff --git a/examples/clock.rs b/examples/events.rs
index f06762bd..290aa975 100644
--- a/examples/clock.rs
+++ b/examples/events.rs
@@ -6,42 +6,40 @@ use iced::{
pub fn main() {
env_logger::init();
- Clock::run(Settings::default())
+ Events::run(Settings::default())
}
-#[derive(Debug)]
-struct Clock {
- time: chrono::DateTime<chrono::Local>,
+#[derive(Debug, Default)]
+struct Events {
+ last: Vec<iced_native::Event>,
enabled: bool,
}
#[derive(Debug, Clone)]
enum Message {
- Ticked(chrono::DateTime<chrono::Local>),
+ EventOccurred(iced_native::Event),
Toggled(bool),
}
-impl Application for Clock {
+impl Application for Events {
type Message = Message;
- fn new() -> (Clock, Command<Message>) {
- (
- Clock {
- time: chrono::Local::now(),
- enabled: false,
- },
- Command::none(),
- )
+ fn new() -> (Events, Command<Message>) {
+ (Events::default(), Command::none())
}
fn title(&self) -> String {
- String::from("Clock - Iced")
+ String::from("Events - Iced")
}
fn update(&mut self, message: Message) -> Command<Message> {
match message {
- Message::Ticked(time) => {
- self.time = time;
+ Message::EventOccurred(event) => {
+ self.last.push(event);
+
+ if self.last.len() > 5 {
+ let _ = self.last.remove(0);
+ }
}
Message::Toggled(enabled) => {
self.enabled = enabled;
@@ -53,16 +51,23 @@ impl Application for Clock {
fn subscriptions(&self) -> Subscription<Message> {
if self.enabled {
- time::every(std::time::Duration::from_millis(500), Message::Ticked)
+ events::all(Message::EventOccurred)
} else {
Subscription::none()
}
}
fn view(&mut self) -> Element<Message> {
- let clock = Text::new(format!("{}", self.time.format("%H:%M:%S")))
- .size(40)
- .width(Length::Shrink);
+ let events = self.last.iter().fold(
+ Column::new().width(Length::Shrink).spacing(10),
+ |column, event| {
+ column.push(
+ Text::new(format!("{:?}", event))
+ .size(40)
+ .width(Length::Shrink),
+ )
+ },
+ );
let toggle = Checkbox::new(self.enabled, "Enabled", Message::Toggled)
.width(Length::Shrink);
@@ -71,7 +76,7 @@ impl Application for Clock {
.width(Length::Shrink)
.align_items(Align::Center)
.spacing(20)
- .push(clock)
+ .push(events)
.push(toggle);
Container::new(content)
@@ -83,34 +88,23 @@ impl Application for Clock {
}
}
-mod time {
+mod events {
use std::sync::Arc;
- pub fn every<Message>(
- duration: std::time::Duration,
- f: impl Fn(chrono::DateTime<chrono::Local>) -> Message
- + 'static
- + Send
- + Sync,
+ pub fn all<Message>(
+ f: impl Fn(iced_native::Event) -> Message + 'static + Send + Sync,
) -> iced::Subscription<Message>
where
Message: Send + 'static,
{
- Tick {
- duration,
- message: Arc::new(f),
- }
- .into()
+ All(Arc::new(f)).into()
}
- struct Tick<Message> {
- duration: std::time::Duration,
- message: Arc<
- dyn Fn(chrono::DateTime<chrono::Local>) -> Message + Send + Sync,
- >,
- }
+ struct All<Message>(
+ Arc<dyn Fn(iced_native::Event) -> Message + Send + Sync>,
+ );
- impl<Message> iced_native::subscription::Connection for Tick<Message>
+ impl<Message> iced_native::subscription::Connection for All<Message>
where
Message: 'static,
{
@@ -127,9 +121,9 @@ mod time {
) -> futures::stream::BoxStream<'static, Message> {
use futures::StreamExt;
- let function = self.message.clone();
+ let function = self.0.clone();
- input.map(move |_| function(chrono::Local::now())).boxed()
+ input.map(move |event| function(event)).boxed()
}
}
}