use ratatui::{
layout::Rect,
style::{Modifier, Style},
text::{Line, Span},
widgets::Paragraph,
Frame,
};
use crate::app::{LiveState, Snapshot, TabId, ALL_TABS};
use crate::ui::graph::GraphStyle;
use crate::ui::palette as p;
pub fn draw_header(f: &mut Frame, area: Rect, snap: &Snapshot, live: LiveState) {
let mut spans: Vec<Span> = Vec::new();
spans.push(Span::styled(
" \u{25cf}",
Style::default().fg(p::status_good()),
));
spans.push(Span::styled(
" SysWatch",
Style::default().fg(p::brand()).add_modifier(Modifier::BOLD),
));
spans.push(Span::styled(
format!(" v{}", env!("CARGO_PKG_VERSION")),
Style::default().fg(p::text_muted()),
));
spans.push(Span::styled(
" \u{2502} ",
Style::default().fg(p::border()),
));
spans.push(Span::styled("host ", Style::default().fg(p::text_muted())));
spans.push(Span::styled(
snap.host.hostname.clone(),
Style::default().fg(p::text_primary()),
));
spans.push(Span::styled(" ", Style::default().fg(p::text_muted())));
spans.push(Span::styled(
snap.host.os.clone(),
Style::default().fg(p::text_primary()),
));
spans.push(Span::styled(" up ", Style::default().fg(p::text_muted())));
spans.push(Span::styled(
format_uptime(snap.host.uptime_secs),
Style::default().fg(p::text_primary()),
));
spans.push(Span::styled(
" load ",
Style::default().fg(p::text_muted()),
));
spans.push(Span::styled(
format!(
"{:.2} {:.2} {:.2}",
snap.cpu.load_1, snap.cpu.load_5, snap.cpu.load_15
),
Style::default().fg(p::text_primary()),
));
let (label, right_color) = match live {
LiveState::Live => ("LIVE", p::status_good()),
LiveState::Paused => ("PAUSE", p::status_warn()),
LiveState::Scrub => ("SCRUB", p::status_info()),
};
let ts: chrono::DateTime<chrono::Local> = snap.t.into();
let right = format!("\u{25cf} {} {}", label, ts.format("%H:%M:%S"));
let right_w = right.chars().count() as u16 + 1;
let left_area = Rect {
x: area.x,
y: area.y,
width: area.width.saturating_sub(right_w),
height: 1,
};
let right_area = Rect {
x: area.x + area.width.saturating_sub(right_w),
y: area.y,
width: right_w,
height: 1,
};
f.render_widget(
Paragraph::new(Line::from(spans)).style(Style::default().bg(p::bg()).fg(p::text_primary())),
left_area,
);
f.render_widget(
Paragraph::new(Line::from(vec![Span::styled(
right,
Style::default()
.fg(right_color)
.add_modifier(Modifier::BOLD),
)]))
.style(Style::default().bg(p::bg())),
right_area,
);
}
pub fn draw_tab_bar(f: &mut Frame, area: Rect, active: TabId, insight_count: usize) {
let mut label_spans: Vec<Span> = Vec::new();
let mut underline = String::new();
let mut active_start: Option<usize> = None;
let mut active_end: Option<usize> = None;
let mut col: usize = 0;
for tab in ALL_TABS {
let badge_suffix = if *tab == TabId::Insights && insight_count > 0 {
format!(" {}", insight_count)
} else {
String::new()
};
let label = format!(" [{}] {}{} ", tab.glyph(), tab.title(), badge_suffix);
let w = label.chars().count();
if *tab == active {
label_spans.push(Span::styled(
label.clone(),
Style::default()
.fg(p::active_tab())
.bg(p::bg())
.add_modifier(Modifier::BOLD),
));
active_start = Some(col);
active_end = Some(col + w);
for _ in 0..w {
underline.push(' ');
}
} else {
label_spans.push(Span::styled(
format!(" [{}] ", tab.glyph()),
Style::default().fg(p::text_muted()),
));
label_spans.push(Span::styled(
tab.title().to_string(),
Style::default().fg(p::inactive_tab()),
));
if !badge_suffix.is_empty() {
label_spans.push(Span::styled(
badge_suffix,
Style::default()
.fg(p::status_warn())
.add_modifier(Modifier::BOLD),
));
}
label_spans.push(Span::raw(" "));
for _ in 0..w {
underline.push('\u{2500}');
}
}
col += w;
}
while (underline.chars().count() as u16) < area.width {
underline.push('\u{2500}');
}
if let (Some(s), Some(e)) = (active_start, active_end) {
let mut chars: Vec<char> = underline.chars().collect();
if s < chars.len() {
chars[s] = '\u{2518}'; }
if e > 0 && e - 1 < chars.len() {
chars[e - 1] = '\u{2514}'; }
underline = chars.into_iter().collect();
}
let label_area = Rect {
x: area.x,
y: area.y,
width: area.width,
height: 1,
};
let underline_area = Rect {
x: area.x,
y: area.y + 1,
width: area.width,
height: 1,
};
f.render_widget(
Paragraph::new(Line::from(label_spans)).style(Style::default().bg(p::bg())),
label_area,
);
f.render_widget(
Paragraph::new(Line::from(Span::styled(
underline,
Style::default().fg(p::border()),
)))
.style(Style::default().bg(p::bg())),
underline_area,
);
}
pub fn draw_footer(f: &mut Frame, area: Rect, graph_style: GraphStyle) {
let sep_area = Rect {
x: area.x,
y: area.y,
width: area.width,
height: 1,
};
let hot_area = Rect {
x: area.x,
y: area.y + 1,
width: area.width,
height: 1,
};
let sep: String = std::iter::repeat('\u{2500}')
.take(area.width as usize)
.collect();
f.render_widget(
Paragraph::new(Line::from(Span::styled(
sep,
Style::default().fg(p::border()),
)))
.style(Style::default().bg(p::bg())),
sep_area,
);
let graph_label: String = format!("Graph[{}]", graph_style.label());
let theme_label: String = format!("Theme[{}]", crate::ui::theme::name());
let groups: &[&[(&str, &str)]] = &[
&[("p", "Pause"), (",", "Settings")],
&[
("S", "Snapshot"),
("D", "Diff"),
("P", "Profile"),
("R", "Rec"),
],
&[("g", graph_label.as_str()), ("t", theme_label.as_str())],
&[("/", "Filter"), ("q", "Quit"), ("1-9", "Tab")],
&[("?", "Help")],
];
let mut spans: Vec<Span> = vec![Span::raw(" ")];
for (gi, group) in groups.iter().enumerate() {
if gi > 0 {
spans.push(Span::styled(" \u{2502} ", Style::default().fg(p::border())));
}
for (k, label) in *group {
spans.push(Span::styled(
k.to_string(),
Style::default()
.fg(p::key_hint())
.add_modifier(Modifier::BOLD),
));
spans.push(Span::styled(
format!(":{} ", label),
Style::default().fg(p::text_muted()),
));
}
}
f.render_widget(
Paragraph::new(Line::from(spans)).style(Style::default().bg(p::bg())),
hot_area,
);
}
fn format_uptime(secs: u64) -> String {
let d = secs / 86_400;
let h = (secs % 86_400) / 3600;
let m = (secs % 3600) / 60;
let s = secs % 60;
if d > 0 {
format!("{}d {:02}:{:02}", d, h, m)
} else {
format!("{:02}:{:02}:{:02}", h, m, s)
}
}