elio 1.3.0

Snappy, batteries-included terminal file manager with rich previews, inline images, bulk actions, and trash support.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150

use super::super::theme::Palette;
use super::super::{helpers, theme};
use super::entries::{
    browser_directory_secondary, browser_entry_detail, browser_entry_modified,
    render_compact_list_row,
};
use super::scrollbar::{render_browser_scrollbar, split_scrollbar_area};
use crate::app::{App, ClipOp, EntryHit, FrameState, ViewMetrics};
use ratatui::{
    Frame,
    layout::{Alignment, Constraint, Direction, Layout, Rect},
    style::{Modifier, Style},
    text::{Line, Span},
    widgets::Paragraph,
};

pub(super) fn render_list(
    frame: &mut Frame<'_>,
    area: Rect,
    app: &App,
    state: &mut FrameState,
    palette: Palette,
) {
    let (content_area, scrollbar_area) = split_scrollbar_area(area);

    helpers::fill_area(frame, content_area, palette.panel_alt, palette.text);
    if let Some(sb) = scrollbar_area {
        helpers::fill_area(frame, sb, palette.panel_alt, palette.border);
    }

    let row_height = helpers::list_row_height();
    state.metrics = ViewMetrics {
        cols: 1,
        rows_visible: (content_area.height / row_height.max(1)).max(1) as usize,
    };

    if app.navigation.entries.is_empty() {
        helpers::render_empty_state(frame, content_area, "This folder is empty", palette);
        return;
    }

    for (visible_index, entry_index) in (app.navigation.scroll_row..app.navigation.entries.len())
        .take(state.metrics.rows_visible)
        .enumerate()
    {
        let entry = &app.navigation.entries[entry_index];
        let row = Rect {
            x: content_area.x,
            y: content_area.y + visible_index as u16 * row_height,
            width: content_area.width,
            height: row_height,
        };
        let selected = entry_index == app.navigation.selected;
        let multi_selected = app.is_selected(&entry.path);
        let clip_op = app.clipboard_op_for(&entry.path);
        let appearance = theme::resolve_browser_entry(entry);
        let icon_color = appearance.color;
        let bg = if selected {
            palette.selected_bg
        } else {
            palette.panel_alt
        };
        if row_height == 1 {
            frame.render_widget(
                Paragraph::new(render_compact_list_row(
                    app, entry, selected, row.width, palette,
                ))
                .style(Style::default().bg(bg).fg(palette.text)),
                row,
            );
        } else {
            // All mark states take priority over the cursor colour for the bar —
            // the cursor position is already communicated by the row background.
            let bar_color = if clip_op == Some(ClipOp::Yank) {
                palette.yank_bar
            } else if clip_op == Some(ClipOp::Cut) {
                palette.cut_bar
            } else if multi_selected {
                palette.selection_bar
            } else if selected {
                palette.selected_border
            } else {
                bg
            };
            let columns = Layout::default()
                .direction(Direction::Horizontal)
                .constraints([Constraint::Length(1), Constraint::Min(1)])
                .split(row);
            frame.render_widget(
                Paragraph::new(if selected || multi_selected || clip_op.is_some() {
                    "▌"
                } else {
                    " "
                })
                .alignment(Alignment::Left)
                .style(Style::default().bg(bg).fg(bar_color)),
                columns[0],
            );
            let secondary = if entry.is_dir() {
                browser_directory_secondary(app, entry)
            } else if row_height >= 3 {
                format!(
                    "{}  •  {}",
                    browser_entry_detail(app, entry).unwrap_or_default(),
                    browser_entry_modified(entry)
                )
            } else {
                browser_entry_detail(app, entry).unwrap_or_default()
            };
            frame.render_widget(
                Paragraph::new(vec![
                    Line::from(vec![
                        Span::styled(
                            appearance.icon,
                            Style::default().fg(icon_color).add_modifier(Modifier::BOLD),
                        ),
                        Span::raw(" "),
                        Span::styled(
                            helpers::clamp_label(&entry.name, row.width.saturating_sub(8) as usize),
                            Style::default()
                                .fg(palette.text)
                                .add_modifier(Modifier::BOLD),
                        ),
                    ]),
                    Line::from(vec![
                        Span::raw("  "),
                        Span::styled(secondary, Style::default().fg(palette.muted)),
                    ]),
                ])
                .style(Style::default().bg(bg).fg(palette.text)),
                columns[1],
            );
        }
        state.entry_hits.push(EntryHit {
            rect: row,
            index: entry_index,
        });
    }

    if let Some(sb) = scrollbar_area {
        render_browser_scrollbar(
            frame,
            sb,
            app.navigation.entries.len(),
            state.metrics.rows_visible,
            app.navigation.scroll_row,
            palette,
        );
    }
}