Struct ratatui::widgets::Cell

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↕fn ui<B: Backend>(f: &mut Frame<B>, app: &mut App) {
    let rects = Layout::default()
        .constraints([Constraint::Percentage(100)].as_ref())
        .split(f.size());

    let selected_style = Style::default().add_modifier(Modifier::REVERSED);
    let normal_style = Style::default().bg(Color::Blue);
    let header_cells = ["Header1", "Header2", "Header3"]
        .iter()
        .map(|h| Cell::from(*h).style(Style::default().fg(Color::Red)));
    let header = Row::new(header_cells)
        .style(normal_style)
        .height(1)
        .bottom_margin(1);
    let rows = app.items.iter().map(|item| {
        let height = item
            .iter()
            .map(|content| content.chars().filter(|c| *c == '\n').count())
            .max()
            .unwrap_or(0)
            + 1;
        let cells = item.iter().map(|c| Cell::from(*c));
        Row::new(cells).height(height as u16).bottom_margin(1)
    });
    let t = Table::new(rows)
        .header(header)
        .block(Block::default().borders(Borders::ALL).title("Table"))
        .highlight_style(selected_style)
        .highlight_symbol(">> ")
        .widths(&[
            Constraint::Percentage(50),
            Constraint::Max(30),
            Constraint::Min(10),
        ]);
    f.render_stateful_widget(t, rects[0], &mut app.state);
}