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@ -8,6 +8,7 @@ use fuzzy_matcher::skim::SkimMatcherV2 as Matcher;
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use fuzzy_matcher::FuzzyMatcher;
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use helix_view::{graphics::Rect, Editor};
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use tui::layout::Constraint;
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pub trait Item {
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// TODO: sort_text
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@ -26,6 +27,8 @@ pub struct Menu<T: Item> {
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/// (index, score)
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matches: Vec<(usize, i64)>,
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widths: Vec<Constraint>,
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callback_fn: Box<dyn Fn(&mut Editor, Option<&T>, MenuEvent)>,
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scroll: usize,
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@ -44,6 +47,7 @@ impl<T: Item> Menu<T> {
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matcher: Box::new(Matcher::default()),
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matches: Vec::new(),
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cursor: None,
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widths: Vec::new(),
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callback_fn: Box::new(callback_fn),
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scroll: 0,
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size: (0, 0),
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@ -218,8 +222,33 @@ impl<T: Item + 'static> Component for Menu<T> {
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EventResult::Ignored
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}
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// TODO: completion sorting
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fn required_size(&mut self, viewport: (u16, u16)) -> Option<(u16, u16)> {
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let width = std::cmp::min(30, viewport.0);
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let n = self
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.options
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.first()
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.map(|option| option.row().cells.len())
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.unwrap_or_default();
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let max_lens = self.options.iter().fold(vec![0; n], |mut acc, option| {
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let row = option.row();
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// maintain max for each column
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for (i, cell) in row.cells.iter().enumerate() {
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let width = cell.content.width();
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if width > acc[i] {
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acc[i] = width;
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}
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}
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acc
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});
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let len = (max_lens.iter().sum::<usize>()) + n + 1; // +1: reserve some space for scrollbar
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let width = len.min(viewport.0 as usize);
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self.widths = max_lens
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.into_iter()
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.map(|len| Constraint::Length(len as u16))
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.collect();
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const MAX: usize = 10;
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let height = std::cmp::min(self.options.len(), MAX);
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@ -263,13 +292,12 @@ impl<T: Item + 'static> Component for Menu<T> {
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let scroll_line = (win_height - scroll_height) * scroll
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/ std::cmp::max(1, len.saturating_sub(win_height));
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use tui::layout::Constraint;
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let rows = options.iter().map(|option| option.row());
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let table = Table::new(rows)
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.style(style)
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.highlight_style(selected)
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.column_spacing(1)
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.widths(&[Constraint::Percentage(50), Constraint::Percentage(50)]);
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.widths(&self.widths);
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use tui::widgets::TableState;
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