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DynamicPicker: Use idle-timeout as debounce

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This change uses the idle-timeout event to trigger fetching new results
in the DynamicPicker, so idle-timeout becomes a sort of debounce. This
prevents querying the language server overly aggressively.
This commit is contained in:
Michael Davis 2022-12-07 16:27:31 -06:00 committed by Blaž Hrastnik
parent d1f717eb8d
commit a7daa02346
1 changed files with 5 additions and 2 deletions
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7
helix-term/src/ui/picker.rs
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@ -763,6 +763,7 @@ fn cursor(&self, area: Rect, editor: &Editor) -> (Option<Position>, CursorKind)
pub struct DynamicPicker<T: ui::menu::Item + Send> { pub struct DynamicPicker<T: ui::menu::Item + Send> {
file_picker: FilePicker<T>, file_picker: FilePicker<T>,
query_callback: DynQueryCallback<T>, query_callback: DynQueryCallback<T>,
query: String,
} }
impl<T: ui::menu::Item + Send> DynamicPicker<T> { impl<T: ui::menu::Item + Send> DynamicPicker<T> {
@ -772,6 +773,7 @@ pub fn new(file_picker: FilePicker<T>, query_callback: DynQueryCallback<T>) -> S
Self { Self {
file_picker, file_picker,
query_callback, query_callback,
query: String::new(),
} }
} }
} }
@ -782,14 +784,15 @@ fn render(&mut self, area: Rect, surface: &mut Surface, cx: &mut Context) {
} }
fn handle_event(&mut self, event: &Event, cx: &mut Context) -> EventResult { fn handle_event(&mut self, event: &Event, cx: &mut Context) -> EventResult {
let prev_query = self.file_picker.picker.prompt.line().to_owned();
let event_result = self.file_picker.handle_event(event, cx); let event_result = self.file_picker.handle_event(event, cx);
let current_query = self.file_picker.picker.prompt.line(); let current_query = self.file_picker.picker.prompt.line();
if *current_query == prev_query || matches!(event_result, EventResult::Ignored(_)) { if !matches!(event, Event::IdleTimeout) || self.query == *current_query {
return event_result; return event_result;
} }
self.query.clone_from(current_query);
let new_options = (self.query_callback)(current_query.to_owned(), cx.editor); let new_options = (self.query_callback)(current_query.to_owned(), cx.editor);
cx.jobs.callback(async move { cx.jobs.callback(async move {