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[egui_web] Repaint on finished fetch in example app

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This commit is contained in:
Emil Ernerfeldt
2020-11-20 20:35:16 +01:00
parent 99a2a52510
commit 633b19ee99
8 changed files with 129 additions and 71 deletions
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20
example_web/src/example_app.rs
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@@ -46,6 +46,15 @@ impl egui::app::App for ExampleApp {
ctx: &std::sync::Arc<egui::Context>,
integration_context: &mut egui::app::IntegrationContext,
) {
if let Some(receiver) = &mut self.in_progress {
// Are we there yet?
if let Ok(result) = receiver.try_recv() {
self.in_progress = None;
self.result = Some(result.map(Resource::from_response));
} else {
}
}
egui::CentralPanel::default().show(ctx, |ui| {
ui.heading("Egui Example App");
ui.add(egui::github_link_file!(
@@ -54,12 +63,13 @@ impl egui::app::App for ExampleApp {
));
if ui_url(ui, &mut self.url) {
let repaint_signal = integration_context.repaint_signal.clone();
let (sender, receiver) = std::sync::mpsc::channel();
self.in_progress = Some(receiver);
let url = self.url.clone();
egui_web::spawn_future(async move {
sender.send(egui_web::fetch::get(&url).await).ok();
// TODO: trigger egui repaint somehow
repaint_signal.request_repaint();
});
}
@@ -79,14 +89,6 @@ impl egui::app::App for ExampleApp {
}
}
});
if let Some(receiver) = &mut self.in_progress {
// Are we there yet?
if let Ok(result) = receiver.try_recv() {
self.in_progress = None;
self.result = Some(result.map(Resource::from_response));
}
}
}
}