acorn-tui 0.3.4

ACORN terminal user interface (TUI)
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use crate::app::App;
use crate::event::{to_internal_event, Event};
use crate::Screen;
use crossterm::event;
use ratatui::layout::{Alignment, Constraint, Direction, Layout, Rect};
use ratatui::style::{Modifier, Style};
use ratatui::text::{Line, Span};
use ratatui::widgets::{Block, Borders, Paragraph};
use ratatui::Frame;

pub fn render(f: &mut Frame, _app: &mut App) {
    let area = f.area();
    let chunks = Layout::default()
        .direction(Direction::Vertical)
        .constraints([Constraint::Length(3), Constraint::Min(1), Constraint::Length(3)])
        .split(area);
    render_top_bar(f, chunks[0], _app);
    render_main(f, chunks[1], _app);
    render_controls(f, chunks[2], _app);
}
fn render_top_bar(f: &mut Frame, area: Rect, app: &App) {
    let tabs = vec![
        Span::styled(" All ", Style::default().fg(app.theme.accent).add_modifier(Modifier::BOLD)),
        Span::raw(" │ "),
        Span::styled(" Schema ", Style::default().fg(app.theme.text_muted)),
        Span::raw(" │ "),
        Span::styled(" Prose ", Style::default().fg(app.theme.text_muted)),
        Span::raw(" │ "),
        Span::styled(" Links ", Style::default().fg(app.theme.text_muted)),
        Span::raw(" │ "),
        Span::styled(" Readability ", Style::default().fg(app.theme.text_muted)),
    ];
    let top = Paragraph::new(Line::from(tabs))
        .block(Block::default().borders(Borders::ALL).border_style(Style::default().fg(app.theme.accent)))
        .alignment(Alignment::Center);
    f.render_widget(top, area);
}
fn render_main(f: &mut Frame, area: Rect, app: &App) {
    let placeholder = vec![
        Line::from(Span::styled(
            " Interactive check browser is under construction",
            Style::default().fg(app.theme.text_muted),
        )),
        Line::from(Span::styled(
            " Use 'acorn check' from the command line to run checks",
            Style::default().fg(app.theme.text_muted),
        )),
    ];
    let paragraph = Paragraph::new(placeholder)
        .block(
            Block::default()
                .borders(Borders::ALL)
                .title(" Check Results ")
                .title_alignment(Alignment::Center)
                .border_style(Style::default().fg(app.theme.border)),
        )
        .alignment(Alignment::Center);
    f.render_widget(paragraph, area);
}
fn render_controls(f: &mut Frame, area: Rect, app: &App) {
    let controls = Line::from(vec![
        Span::styled(" [Esc] Back  ", Style::default().fg(app.theme.text_muted)),
        Span::styled("[Q] Quit", Style::default().fg(app.theme.text_muted)),
    ]);
    let paragraph = Paragraph::new(controls)
        .block(Block::default().borders(Borders::TOP).border_style(Style::default().fg(app.theme.border)))
        .alignment(Alignment::Center);
    f.render_widget(paragraph, area);
}
pub fn handle_event(app: &mut App, evt: event::Event) {
    let event = match evt {
        | event::Event::Key(key) => to_internal_event(key),
        | _ => None,
    };
    let Some(event) = event else {
        return;
    };
    match event {
        | Event::Quit => app.should_quit = true,
        | Event::Back => app.navigate_to(Screen::Dashboard),
        | _ => {}
    }
}