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@ -23,6 +23,8 @@ pub struct Picker<T> {
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matcher: Box<Matcher>,
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/// (index, score)
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matches: Vec<(usize, i64)>,
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/// Filter over original options.
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filters: Vec<usize>, // could be optimized into bit but not worth it now
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cursor: usize,
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// pattern: String,
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@ -50,6 +52,7 @@ impl<T> Picker<T> {
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options,
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matcher: Box::new(Matcher::default()),
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matches: Vec::new(),
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filters: Vec::new(),
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cursor: 0,
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prompt,
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format_fn: Box::new(format_fn),
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@ -68,6 +71,7 @@ impl<T> Picker<T> {
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ref mut options,
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ref mut matcher,
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ref mut matches,
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ref filters,
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ref format_fn,
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..
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} = *self;
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@ -81,6 +85,10 @@ impl<T> Picker<T> {
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.iter()
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.enumerate()
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.filter_map(|(index, option)| {
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// filter options first before matching
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if !filters.is_empty() {
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filters.binary_search(&index).ok()?;
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}
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// TODO: maybe using format_fn isn't the best idea here
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let text = (format_fn)(option);
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// TODO: using fuzzy_indices could give us the char idx for match highlighting
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@ -114,6 +122,14 @@ impl<T> Picker<T> {
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.get(self.cursor)
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.map(|(index, _score)| &self.options[*index])
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}
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pub fn save_filter(&mut self) {
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self.filters.clear();
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self.filters
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.extend(self.matches.iter().map(|(index, _)| *index));
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self.filters.sort_unstable(); // used for binary search later
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self.prompt.clear();
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}
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}
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// process:
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@ -205,6 +221,12 @@ impl<T: 'static> Component for Picker<T> {
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}
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return close_fn;
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}
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KeyEvent {
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code: KeyCode::Char(' '),
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modifiers: KeyModifiers::CONTROL,
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} => {
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self.save_filter();
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}
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_ => {
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if let EventResult::Consumed(_) = self.prompt.handle_event(event, cx) {
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// TODO: recalculate only if pattern changed
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