1use std::path::PathBuf;
 2
 3use gpui2::elements::div::Div;
 4
 5use crate::{h_stack, theme};
 6use crate::{prelude::*, HighlightedText};
 7
 8#[derive(Clone)]
 9pub struct Symbol(pub Vec<HighlightedText>);
10
11#[derive(Element)]
12pub struct Breadcrumb {
13    path: PathBuf,
14    symbols: Vec<Symbol>,
15}
16
17impl Breadcrumb {
18    pub fn new(path: PathBuf, symbols: Vec<Symbol>) -> Self {
19        Self { path, symbols }
20    }
21
22    fn render_separator<V: 'static>(&self, theme: &Theme) -> Div<V> {
23        div()
24            .child(" › ")
25            .text_color(HighlightColor::Default.hsla(theme))
26    }
27
28    fn render<V: 'static>(&mut self, _: &mut V, cx: &mut ViewContext<V>) -> impl IntoElement<V> {
29        let theme = theme(cx);
30
31        let symbols_len = self.symbols.len();
32
33        h_stack()
34            .px_1()
35            // TODO: Read font from theme (or settings?).
36            .font("Zed Mono Extended")
37            .text_sm()
38            .text_color(theme.middle.base.default.foreground)
39            .rounded_md()
40            .hover()
41            .fill(theme.highest.base.hovered.background)
42            .child(self.path.clone().to_str().unwrap().to_string())
43            .child(if !self.symbols.is_empty() {
44                self.render_separator(&theme)
45            } else {
46                div()
47            })
48            .child(
49                div().flex().children(
50                    self.symbols
51                        .iter()
52                        .enumerate()
53                        // TODO: Could use something like `intersperse` here instead.
54                        .flat_map(|(ix, symbol)| {
55                            let mut items =
56                                vec![div().flex().children(symbol.0.iter().map(|segment| {
57                                    div().child(segment.text.clone()).text_color(segment.color)
58                                }))];
59
60                            let is_last_segment = ix == symbols_len - 1;
61                            if !is_last_segment {
62                                items.push(self.render_separator(&theme));
63                            }
64
65                            items
66                        })
67                        .collect::<Vec<_>>(),
68                ),
69            )
70    }
71}