Ultradesu
97 lines
3.2 KiB
Rust
97 lines
3.2 KiB
Rust
use ratatui::Frame;
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use ratatui::layout::{Alignment, Rect};
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use ratatui::style::{Color, Modifier, Style};
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use ratatui::text::{Line, Span};
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use ratatui::widgets::{Block, Paragraph};
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use super::theme;
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use crate::app::state::{AppState, LOG_LEVELS};
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use crate::config::logging;
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pub fn draw(frame: &mut Frame, area: Rect, state: &AppState) {
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let logs = &state.logs;
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let level = LOG_LEVELS[logs.level_index];
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let mode = if logs.follow { "follow" } else { "scroll" };
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let block = Block::bordered()
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.title(format!(" Logs — {level}+ · {mode} "))
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.title_style(theme::header())
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.border_style(theme::dim());
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let inner = block.inner(area);
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frame.render_widget(block, area);
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let Some(buffer) = logging::buffer() else {
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return centered(frame, inner, "in-app log buffer unavailable");
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};
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let visible = usize::from(inner.height.max(1));
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let skip = if logs.follow { 0 } else { logs.scroll_from_end };
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let (entries, matched) = buffer.window(level, skip, visible);
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if entries.is_empty() {
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return centered(frame, inner, "no log entries at this level yet");
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}
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for (row_index, entry) in entries.iter().enumerate() {
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let row = Rect {
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x: inner.x,
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y: inner.y + row_index as u16,
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width: inner.width,
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height: 1,
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};
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let line = Line::from(vec![
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Span::styled(format!("{} ", entry.time), theme::dim()),
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level_span(entry.level),
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Span::styled(format!(" {}: ", short_target(&entry.target)), theme::dim()),
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Span::raw(entry.message.clone()),
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]);
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frame.render_widget(Paragraph::new(line), row);
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}
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// Footer hint with position info while scrolled back.
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if !logs.follow && inner.height > 1 {
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let footer = Rect {
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y: inner.y + inner.height - 1,
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height: 1,
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..inner
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};
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frame.render_widget(
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Paragraph::new(Line::styled(
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format!(" ↑{skip} of {matched} · shift-g: follow · v: level "),
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theme::tab_active(),
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))
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.alignment(Alignment::Right),
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footer,
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);
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}
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}
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fn centered(frame: &mut Frame, area: Rect, text: &str) {
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if area.height == 0 {
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return;
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}
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let middle = Rect { y: area.y + area.height / 2, height: 1, ..area };
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frame.render_widget(
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Paragraph::new(Line::styled(text.to_string(), theme::dim()))
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.alignment(Alignment::Center),
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middle,
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);
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}
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fn level_span(level: tracing::Level) -> Span<'static> {
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match level {
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tracing::Level::ERROR => {
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Span::styled("ERROR", Style::new().fg(Color::Red).add_modifier(Modifier::BOLD))
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}
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tracing::Level::WARN => Span::styled("WARN ", Style::new().fg(Color::Yellow)),
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tracing::Level::INFO => Span::styled("INFO ", theme::accent()),
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tracing::Level::DEBUG => Span::styled("DEBUG", theme::dim()),
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tracing::Level::TRACE => Span::styled("TRACE", theme::dim()),
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}
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}
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/// `furumi_tui::app::update` → `app::update` — the crate prefix is noise.
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fn short_target(target: &str) -> &str {
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target
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.split_once("::")
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.map_or(target, |(_, rest)| rest)
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}
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