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Implement delay for pop widget 🎉

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Héctor Ramón Jiménez 2025-02-19 07:21:09 +01:00
parent 42f6018487
commit ffc412d6b7
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GPG key ID: 7CC46565708259A7
3 changed files with 50 additions and 39 deletions
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38
examples/markdown/src/main.rs
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@ -3,14 +3,15 @@ mod icon;
use iced::animation;
use iced::clipboard;
use iced::highlighter;
use iced::task;
use iced::time::{self, milliseconds, Instant};
use iced::widget::{
self, button, center_x, container, horizontal_space, hover, image,
markdown, pop, right, row, scrollable, text_editor, toggler,
};
use iced::window;
use iced::{Animation, Element, Fill, Font, Subscription, Task, Theme};
use iced::{
Animation, Element, Fill, Font, Function, Subscription, Task, Theme,
};
use std::collections::HashMap;
use std::io;
@ -39,9 +40,7 @@ enum Mode {
}
enum Image {
Loading {
_download: task::Handle,
},
Loading,
Ready {
handle: image::Handle,
fade_in: Animation<bool>,
@ -89,9 +88,6 @@ impl Markdown {
if is_edit {
self.content = markdown::Content::parse(&self.raw.text());
self.mode = Mode::Preview;
let images = self.content.images();
self.images.retain(|url, _image| images.contains(url));
}
Task::none()
@ -107,27 +103,12 @@ impl Markdown {
return Task::none();
}
let (download_image, handle) = Task::future({
let url = url.clone();
let _ = self.images.insert(url.clone(), Image::Loading);
async move {
// Wait half a second for further editions before attempting download
tokio::time::sleep(milliseconds(500)).await;
download_image(url).await
}
})
.abortable();
let _ = self.images.insert(
url.clone(),
Image::Loading {
_download: handle.abort_on_drop(),
},
);
download_image.map(move |result| {
Message::ImageDownloaded(url.clone(), result)
})
Task::perform(
download_image(url.clone()),
Message::ImageDownloaded.with(url),
)
}
Message::ImageDownloaded(url, result) => {
let _ = self.images.insert(
@ -286,6 +267,7 @@ impl<'a> markdown::Viewer<'a, Message> for CustomViewer<'a> {
} else {
pop(horizontal_space())
.key(url.as_str())
.delay(milliseconds(500))
.on_show(|_size| Message::ImageShown(url.clone()))
.into()
}