thegrind/waycast
3
0
Fork 0
Code Issues 4 Pull Requests Actions Packages Projects 1 Releases 3 Wiki Activity

Async search so UI doesn't lag when typing

Browse Source
This commit is contained in:
Javier Feliz 2025-09-06 17:12:40 -04:00
parent 6fd3b4eba1
commit f70e4c3006
1 changed files with 77 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

94
waycast-gtk/src/ui/gtk/mod.rs
View File

@ -219,28 +219,88 @@ impl GtkLauncherUI {
// Set initial focus to search input so user can start typing immediately
search_input.grab_focus();
// Set up event handlers directly
// Set up async search handlers to prevent UI blocking
let launcher_for_search = launcher.clone();
let list_store_for_search = list_store.clone();
let selection_for_search = selection.clone();
// Add debouncing to avoid excessive searches with generation counter
let search_generation = Rc::new(RefCell::new(0u64));
search_input.connect_changed(move |entry| {
let query = entry.text().to_string();
let mut launcher_ref = launcher_for_search.borrow_mut();
let results = if query.trim().is_empty() {
launcher_ref.get_default_results()
} else {
launcher_ref.search(&query)
};
// Update the list store
list_store_for_search.remove_all();
for entry in results.iter() {
let item_obj = LauncherItemObject::new(
entry.title(),
entry.description(),
entry.icon(),
entry.id(),
);
list_store_for_search.append(&item_obj);
// Increment generation to cancel any pending searches
*search_generation.borrow_mut() += 1;
if query.trim().is_empty() {
// Handle empty query synchronously for immediate response
let mut launcher_ref = launcher_for_search.borrow_mut();
let results = launcher_ref.get_default_results();
list_store_for_search.remove_all();
for entry in results.iter() {
let item_obj = LauncherItemObject::new(
entry.title(),
entry.description(),
entry.icon(),
entry.id(),
);
list_store_for_search.append(&item_obj);
}
// Select first item
if list_store_for_search.n_items() > 0 {
selection_for_search.set_selected(0);
}
} else {
// Debounced async search for non-empty queries
let launcher_clone = launcher_for_search.clone();
let list_store_clone = list_store_for_search.clone();
let selection_clone = selection_for_search.clone();
let current_generation = *search_generation.borrow();
let generation_check = search_generation.clone();
let _timeout_id = glib::timeout_add_local(std::time::Duration::from_millis(150), move || {
// Check if this search is still the current one
if *generation_check.borrow() != current_generation {
return glib::ControlFlow::Break; // This search was superseded
}
let launcher_clone = launcher_clone.clone();
let list_store_clone = list_store_clone.clone();
let selection_clone = selection_clone.clone();
let query = query.clone();
glib::spawn_future_local(async move {
// Run search and collect items immediately
let items: Vec<LauncherItemObject> = {
let mut launcher_ref = launcher_clone.borrow_mut();
let results = launcher_ref.search(&query);
results.iter().map(|entry| {
LauncherItemObject::new(
entry.title(),
entry.description(),
entry.icon(),
entry.id(),
)
}).collect()
};
// Update UI on main thread
list_store_clone.remove_all();
for item_obj in items {
list_store_clone.append(&item_obj);
}
// Select first item
if list_store_clone.n_items() > 0 {
selection_clone.set_selected(0);
}
});
glib::ControlFlow::Break
});
}
});