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eframe web: Store app state to local storage when leaving site (#2927)

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This commit is contained in:
Emil Ernerfeldt
2023-04-18 20:26:02 +02:00
committed by GitHub
parent 438f6eafc8
commit 0f9e1a3526
2 changed files with 30 additions and 15 deletions
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21
crates/eframe/src/web/events.rs
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@@ -21,7 +21,7 @@ pub fn paint_and_schedule(
runner_lock
.needs_repaint
.repaint_after(repaint_after.as_secs_f64());
runner_lock.auto_save();
runner_lock.auto_save_if_needed();
}
Ok(IsDestroyed(is_destroyed))
@@ -54,13 +54,17 @@ pub fn install_document_events(runner_container: &mut AppRunnerContainer) -> Res
{
// Avoid sticky modifier keys on alt-tab:
let clear_modifiers = ["blur", "focus"];
for event_name in clear_modifiers {
for event_name in ["blur", "focus"] {
let closure =
move |_event: web_sys::MouseEvent,
mut runner_lock: egui::mutex::MutexGuard<'_, AppRunner>| {
let has_focus = event_name == "focus";
if !has_focus {
// We lost focus - good idea to save
runner_lock.save();
}
runner_lock.input.on_web_page_focus_change(has_focus);
runner_lock.egui_ctx().request_repaint();
// tracing::debug!("{event_name:?}");
@@ -208,6 +212,15 @@ pub fn install_document_events(runner_container: &mut AppRunnerContainer) -> Res
pub fn install_window_events(runner_container: &mut AppRunnerContainer) -> Result<(), JsValue> {
let window = web_sys::window().unwrap();
// Save-on-close
runner_container.add_event_listener(
&window,
"onbeforeunload",
|_: web_sys::Event, mut runner_lock| {
runner_lock.save();
},
)?;
for event_name in &["load", "pagehide", "pageshow", "resize"] {
runner_container.add_event_listener(
&window,