mirror of
https://github.com/ratatui-org/ratatui
synced 2024-11-22 20:53:19 +00:00
400 lines
14 KiB
Rust
400 lines
14 KiB
Rust
use ratatui::{
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layout::{Constraint, Layout, Rect},
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style::{Color, Modifier, Style},
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symbols,
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text::{self, Span},
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widgets::{
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canvas::{self, Canvas, Circle, Map, MapResolution, Rectangle},
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Axis, BarChart, Block, Cell, Chart, Dataset, Gauge, LineGauge, List, ListItem, Paragraph,
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Row, Sparkline, Table, Tabs, Wrap,
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},
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Frame,
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};
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use crate::app::App;
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pub fn draw(f: &mut Frame, app: &mut App) {
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let chunks = Layout::vertical([Constraint::Length(3), Constraint::Min(0)]).split(f.area());
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let tabs = app
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.tabs
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.titles
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.iter()
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.map(|t| text::Line::from(Span::styled(*t, Style::default().fg(Color::Green))))
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.collect::<Tabs>()
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.block(Block::bordered().title(app.title))
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.highlight_style(Style::default().fg(Color::Yellow))
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.select(app.tabs.index);
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f.render_widget(tabs, chunks[0]);
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match app.tabs.index {
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0 => draw_first_tab(f, app, chunks[1]),
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1 => draw_second_tab(f, app, chunks[1]),
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2 => draw_third_tab(f, app, chunks[1]),
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_ => {}
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};
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}
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fn draw_first_tab(f: &mut Frame, app: &mut App, area: Rect) {
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let chunks = Layout::vertical([
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Constraint::Length(9),
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Constraint::Min(8),
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Constraint::Length(7),
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])
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.split(area);
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draw_gauges(f, app, chunks[0]);
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draw_charts(f, app, chunks[1]);
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draw_text(f, chunks[2]);
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}
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fn draw_gauges(f: &mut Frame, app: &mut App, area: Rect) {
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let chunks = Layout::vertical([
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Constraint::Length(2),
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Constraint::Length(3),
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Constraint::Length(2),
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])
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.margin(1)
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.split(area);
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let block = Block::bordered().title("Graphs");
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f.render_widget(block, area);
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let label = format!("{:.2}%", app.progress * 100.0);
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let gauge = Gauge::default()
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.block(Block::new().title("Gauge:"))
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.gauge_style(
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Style::default()
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.fg(Color::Magenta)
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.bg(Color::Black)
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.add_modifier(Modifier::ITALIC | Modifier::BOLD),
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)
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.use_unicode(app.enhanced_graphics)
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.label(label)
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.ratio(app.progress);
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f.render_widget(gauge, chunks[0]);
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let sparkline = Sparkline::default()
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.block(Block::new().title("Sparkline:"))
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.style(Style::default().fg(Color::Green))
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.data(&app.sparkline.points)
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.bar_set(if app.enhanced_graphics {
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symbols::bar::NINE_LEVELS
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} else {
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symbols::bar::THREE_LEVELS
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});
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f.render_widget(sparkline, chunks[1]);
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let line_gauge = LineGauge::default()
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.block(Block::new().title("LineGauge:"))
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.filled_style(Style::default().fg(Color::Magenta))
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.line_set(if app.enhanced_graphics {
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symbols::line::THICK
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} else {
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symbols::line::NORMAL
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})
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.ratio(app.progress);
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f.render_widget(line_gauge, chunks[2]);
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}
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#[allow(clippy::too_many_lines)]
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fn draw_charts(f: &mut Frame, app: &mut App, area: Rect) {
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let constraints = if app.show_chart {
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vec![Constraint::Percentage(50), Constraint::Percentage(50)]
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} else {
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vec![Constraint::Percentage(100)]
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};
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let chunks = Layout::horizontal(constraints).split(area);
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{
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let chunks = Layout::vertical([Constraint::Percentage(50), Constraint::Percentage(50)])
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.split(chunks[0]);
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{
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let chunks =
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Layout::horizontal([Constraint::Percentage(50), Constraint::Percentage(50)])
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.split(chunks[0]);
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// Draw tasks
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let tasks: Vec<ListItem> = app
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.tasks
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.items
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.iter()
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.map(|i| ListItem::new(vec![text::Line::from(Span::raw(*i))]))
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.collect();
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let tasks = List::new(tasks)
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.block(Block::bordered().title("List"))
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.highlight_style(Style::default().add_modifier(Modifier::BOLD))
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.highlight_symbol("> ");
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f.render_stateful_widget(tasks, chunks[0], &mut app.tasks.state);
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// Draw logs
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let info_style = Style::default().fg(Color::Blue);
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let warning_style = Style::default().fg(Color::Yellow);
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let error_style = Style::default().fg(Color::Magenta);
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let critical_style = Style::default().fg(Color::Red);
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let logs: Vec<ListItem> = app
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.logs
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.items
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.iter()
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.map(|&(evt, level)| {
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let s = match level {
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"ERROR" => error_style,
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"CRITICAL" => critical_style,
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"WARNING" => warning_style,
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_ => info_style,
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};
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let content = vec![text::Line::from(vec![
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Span::styled(format!("{level:<9}"), s),
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Span::raw(evt),
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])];
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ListItem::new(content)
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})
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.collect();
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let logs = List::new(logs).block(Block::bordered().title("List"));
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f.render_stateful_widget(logs, chunks[1], &mut app.logs.state);
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}
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let barchart = BarChart::default()
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.block(Block::bordered().title("Bar chart"))
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.data(&app.barchart)
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.bar_width(3)
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.bar_gap(2)
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.bar_set(if app.enhanced_graphics {
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symbols::bar::NINE_LEVELS
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} else {
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symbols::bar::THREE_LEVELS
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})
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.value_style(
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Style::default()
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.fg(Color::Black)
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.bg(Color::Green)
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.add_modifier(Modifier::ITALIC),
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)
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.label_style(Style::default().fg(Color::Yellow))
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.bar_style(Style::default().fg(Color::Green));
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f.render_widget(barchart, chunks[1]);
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}
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if app.show_chart {
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let x_labels = vec![
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Span::styled(
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format!("{}", app.signals.window[0]),
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Style::default().add_modifier(Modifier::BOLD),
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),
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Span::raw(format!(
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"{}",
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(app.signals.window[0] + app.signals.window[1]) / 2.0
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)),
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Span::styled(
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format!("{}", app.signals.window[1]),
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Style::default().add_modifier(Modifier::BOLD),
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),
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];
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let datasets = vec![
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Dataset::default()
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.name("data2")
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.marker(symbols::Marker::Dot)
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.style(Style::default().fg(Color::Cyan))
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.data(&app.signals.sin1.points),
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Dataset::default()
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.name("data3")
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.marker(if app.enhanced_graphics {
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symbols::Marker::Braille
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} else {
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symbols::Marker::Dot
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})
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.style(Style::default().fg(Color::Yellow))
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.data(&app.signals.sin2.points),
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];
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let chart = Chart::new(datasets)
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.block(
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Block::bordered().title(Span::styled(
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"Chart",
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Style::default()
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.fg(Color::Cyan)
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.add_modifier(Modifier::BOLD),
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)),
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)
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.x_axis(
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Axis::default()
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.title("X Axis")
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.style(Style::default().fg(Color::Gray))
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.bounds(app.signals.window)
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.labels(x_labels),
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)
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.y_axis(
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Axis::default()
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.title("Y Axis")
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.style(Style::default().fg(Color::Gray))
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.bounds([-20.0, 20.0])
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.labels([
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Span::styled("-20", Style::default().add_modifier(Modifier::BOLD)),
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Span::raw("0"),
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Span::styled("20", Style::default().add_modifier(Modifier::BOLD)),
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]),
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);
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f.render_widget(chart, chunks[1]);
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}
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}
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fn draw_text(f: &mut Frame, area: Rect) {
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let text = vec![
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text::Line::from("This is a paragraph with several lines. You can change style your text the way you want"),
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text::Line::from(""),
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text::Line::from(vec![
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Span::from("For example: "),
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Span::styled("under", Style::default().fg(Color::Red)),
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Span::raw(" "),
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Span::styled("the", Style::default().fg(Color::Green)),
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Span::raw(" "),
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Span::styled("rainbow", Style::default().fg(Color::Blue)),
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Span::raw("."),
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]),
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text::Line::from(vec![
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Span::raw("Oh and if you didn't "),
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Span::styled("notice", Style::default().add_modifier(Modifier::ITALIC)),
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Span::raw(" you can "),
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Span::styled("automatically", Style::default().add_modifier(Modifier::BOLD)),
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Span::raw(" "),
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Span::styled("wrap", Style::default().add_modifier(Modifier::REVERSED)),
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Span::raw(" your "),
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Span::styled("text", Style::default().add_modifier(Modifier::UNDERLINED)),
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Span::raw(".")
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]),
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text::Line::from(
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"One more thing is that it should display unicode characters: 10€"
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),
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];
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let block = Block::bordered().title(Span::styled(
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"Footer",
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Style::default()
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.fg(Color::Magenta)
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.add_modifier(Modifier::BOLD),
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));
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let paragraph = Paragraph::new(text).block(block).wrap(Wrap { trim: true });
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f.render_widget(paragraph, area);
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}
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fn draw_second_tab(f: &mut Frame, app: &mut App, area: Rect) {
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let chunks =
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Layout::horizontal([Constraint::Percentage(30), Constraint::Percentage(70)]).split(area);
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let up_style = Style::default().fg(Color::Green);
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let failure_style = Style::default()
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.fg(Color::Red)
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.add_modifier(Modifier::RAPID_BLINK | Modifier::CROSSED_OUT);
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let rows = app.servers.iter().map(|s| {
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let style = if s.status == "Up" {
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up_style
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} else {
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failure_style
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};
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Row::new(vec![s.name, s.location, s.status]).style(style)
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});
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let table = Table::new(
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rows,
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[
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Constraint::Length(15),
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Constraint::Length(15),
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Constraint::Length(10),
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],
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)
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.header(
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Row::new(vec!["Server", "Location", "Status"])
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.style(Style::default().fg(Color::Yellow))
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.bottom_margin(1),
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)
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.block(Block::bordered().title("Servers"));
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f.render_widget(table, chunks[0]);
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let map = Canvas::default()
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.block(Block::bordered().title("World"))
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.paint(|ctx| {
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ctx.draw(&Map {
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color: Color::White,
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resolution: MapResolution::High,
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});
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ctx.layer();
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ctx.draw(&Rectangle {
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x: 0.0,
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y: 30.0,
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width: 10.0,
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height: 10.0,
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color: Color::Yellow,
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});
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ctx.draw(&Circle {
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x: app.servers[2].coords.1,
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y: app.servers[2].coords.0,
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radius: 10.0,
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color: Color::Green,
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});
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for (i, s1) in app.servers.iter().enumerate() {
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for s2 in &app.servers[i + 1..] {
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ctx.draw(&canvas::Line {
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x1: s1.coords.1,
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y1: s1.coords.0,
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y2: s2.coords.0,
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x2: s2.coords.1,
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color: Color::Yellow,
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});
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}
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}
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for server in &app.servers {
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let color = if server.status == "Up" {
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Color::Green
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} else {
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Color::Red
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};
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ctx.print(
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server.coords.1,
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server.coords.0,
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Span::styled("X", Style::default().fg(color)),
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);
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}
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})
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.marker(if app.enhanced_graphics {
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symbols::Marker::Braille
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} else {
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symbols::Marker::Dot
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})
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.x_bounds([-180.0, 180.0])
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.y_bounds([-90.0, 90.0]);
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f.render_widget(map, chunks[1]);
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}
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fn draw_third_tab(f: &mut Frame, _app: &mut App, area: Rect) {
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let chunks = Layout::horizontal([Constraint::Ratio(1, 2), Constraint::Ratio(1, 2)]).split(area);
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let colors = [
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Color::Reset,
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Color::Black,
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Color::Red,
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Color::Green,
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Color::Yellow,
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Color::Blue,
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Color::Magenta,
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Color::Cyan,
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Color::Gray,
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Color::DarkGray,
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Color::LightRed,
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Color::LightGreen,
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Color::LightYellow,
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Color::LightBlue,
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Color::LightMagenta,
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Color::LightCyan,
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Color::White,
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];
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let items: Vec<Row> = colors
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.iter()
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.map(|c| {
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let cells = vec![
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Cell::from(Span::raw(format!("{c:?}: "))),
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Cell::from(Span::styled("Foreground", Style::default().fg(*c))),
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Cell::from(Span::styled("Background", Style::default().bg(*c))),
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];
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Row::new(cells)
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})
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.collect();
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let table = Table::new(
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items,
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[
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Constraint::Ratio(1, 3),
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Constraint::Ratio(1, 3),
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Constraint::Ratio(1, 3),
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],
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)
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.block(Block::bordered().title("Colors"));
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f.render_widget(table, chunks[0]);
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}
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