mirror of
https://github.com/ratatui-org/ratatui
synced 2024-11-22 20:53:19 +00:00
509 lines
19 KiB
Rust
509 lines
19 KiB
Rust
#[macro_use]
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extern crate log;
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extern crate tui;
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extern crate termion;
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mod util;
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use std::io;
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use std::thread;
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use std::env;
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use std::time;
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use std::sync::mpsc;
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use termion::event;
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use termion::input::TermRead;
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use tui::Terminal;
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use tui::backend::MouseBackend;
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use tui::widgets::{Widget, Block, SelectableList, List, Gauge, Sparkline, Paragraph, border,
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Chart, Axis, Dataset, BarChart, Marker, Tabs, Table};
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use tui::widgets::canvas::{Canvas, Map, MapResolution, Line};
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use tui::layout::{Group, Direction, Size, Rect};
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use tui::style::{Style, Color, Modifier};
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use util::*;
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struct Server<'a> {
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name: &'a str,
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location: &'a str,
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coords: (f64, f64),
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status: &'a str,
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}
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struct App<'a> {
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size: Rect,
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items: Vec<&'a str>,
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events: Vec<(&'a str, &'a str)>,
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selected: usize,
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tabs: MyTabs<'a>,
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show_chart: bool,
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progress: u16,
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data: Vec<u64>,
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data2: Vec<(f64, f64)>,
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data3: Vec<(f64, f64)>,
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data4: Vec<(&'a str, u64)>,
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window: [f64; 2],
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colors: [Color; 2],
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color_index: usize,
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servers: Vec<Server<'a>>,
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}
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enum Event {
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Input(event::Key),
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Tick,
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}
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fn main() {
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for argument in env::args() {
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if argument == "--log" {
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setup_log("demo.log");
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}
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}
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info!("Start");
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let mut rand_signal = RandomSignal::new(0, 100);
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let mut sin_signal = SinSignal::new(0.2, 3.0, 18.0);
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let mut sin_signal2 = SinSignal::new(0.1, 2.0, 10.0);
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let mut app = App {
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size: Rect::default(),
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items: vec!["Item1", "Item2", "Item3", "Item4", "Item5", "Item6", "Item7", "Item8",
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"Item9", "Item10", "Item11", "Item12", "Item13", "Item14", "Item15", "Item16",
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"Item17", "Item18", "Item19", "Item20", "Item21", "Item22", "Item23", "Item24"],
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events: vec![("Event1", "INFO"),
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("Event2", "INFO"),
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("Event3", "CRITICAL"),
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("Event4", "ERROR"),
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("Event5", "INFO"),
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("Event6", "INFO"),
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("Event7", "WARNING"),
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("Event8", "INFO"),
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("Event9", "INFO"),
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("Event10", "INFO"),
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("Event11", "CRITICAL"),
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("Event12", "INFO"),
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("Event13", "INFO"),
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("Event14", "INFO"),
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("Event15", "INFO"),
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("Event16", "INFO"),
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("Event17", "ERROR"),
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("Event18", "ERROR"),
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("Event19", "INFO"),
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("Event20", "INFO"),
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("Event21", "WARNING"),
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("Event22", "INFO"),
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("Event23", "INFO"),
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("Event24", "WARNING"),
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("Event25", "INFO"),
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("Event26", "INFO")],
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selected: 0,
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tabs: MyTabs {
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titles: vec!["Tab0", "Tab1"],
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selection: 0,
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},
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show_chart: true,
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progress: 0,
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data: rand_signal.clone().take(300).collect(),
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data2: sin_signal.clone().take(100).collect(),
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data3: sin_signal2.clone().take(200).collect(),
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data4: vec![("B1", 9),
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("B2", 12),
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("B3", 5),
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("B4", 8),
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("B5", 2),
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("B6", 4),
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("B7", 5),
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("B8", 9),
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("B9", 14),
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("B10", 15),
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("B11", 1),
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("B12", 0),
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("B13", 4),
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("B14", 6),
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("B15", 4),
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("B16", 6),
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("B17", 4),
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("B18", 7),
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("B19", 13),
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("B20", 8),
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("B21", 11),
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("B22", 9),
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("B23", 3),
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("B24", 5)],
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window: [0.0, 20.0],
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colors: [Color::Magenta, Color::Red],
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color_index: 0,
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servers: vec![Server {
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name: "NorthAmerica-1",
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location: "New York City",
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coords: (40.71, -74.00),
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status: "Up",
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},
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Server {
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name: "Europe-1",
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location: "Paris",
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coords: (48.85, 2.35),
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status: "Failure",
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},
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Server {
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name: "SouthAmerica-1",
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location: "São Paulo",
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coords: (-23.54, -46.62),
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status: "Up",
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},
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Server {
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name: "Asia-1",
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location: "Singapore",
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coords: (1.35, 103.86),
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status: "Up",
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}],
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};
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let (tx, rx) = mpsc::channel();
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let input_tx = tx.clone();
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for _ in 0..100 {
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sin_signal.next();
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}
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for _ in 0..200 {
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sin_signal2.next();
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}
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thread::spawn(move || {
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let stdin = io::stdin();
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for c in stdin.keys() {
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let evt = c.unwrap();
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input_tx.send(Event::Input(evt)).unwrap();
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if evt == event::Key::Char('q') {
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break;
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}
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}
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});
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thread::spawn(move || {
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let tx = tx.clone();
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loop {
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tx.send(Event::Tick).unwrap();
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thread::sleep(time::Duration::from_millis(200));
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}
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});
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let backend = MouseBackend::new().unwrap();
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let mut terminal = Terminal::new(backend).unwrap();
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terminal.clear().unwrap();
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terminal.hide_cursor().unwrap();
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loop {
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let size = terminal.size().unwrap();
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if size != app.size {
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terminal.resize(size).unwrap();
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app.size = size;
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}
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draw(&mut terminal, &app).unwrap();
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let evt = rx.recv().unwrap();
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match evt {
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Event::Input(input) => {
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match input {
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event::Key::Char('q') => {
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break;
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}
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event::Key::Up => {
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if app.selected > 0 {
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app.selected -= 1
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};
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}
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event::Key::Down => {
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if app.selected < app.items.len() - 1 {
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app.selected += 1;
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}
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}
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event::Key::Left => {
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app.tabs.previous();
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}
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event::Key::Right => {
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app.tabs.next();
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}
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event::Key::Char('t') => {
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app.show_chart = !app.show_chart;
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}
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_ => {}
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}
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}
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Event::Tick => {
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app.progress += 5;
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if app.progress > 100 {
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app.progress = 0;
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}
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app.data.insert(0, rand_signal.next().unwrap());
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app.data.pop();
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for _ in 0..5 {
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app.data2.remove(0);
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app.data2.push(sin_signal.next().unwrap());
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}
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for _ in 0..10 {
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app.data3.remove(0);
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app.data3.push(sin_signal2.next().unwrap());
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}
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let i = app.data4.pop().unwrap();
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app.data4.insert(0, i);
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app.window[0] += 1.0;
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app.window[1] += 1.0;
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let i = app.events.pop().unwrap();
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app.events.insert(0, i);
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app.color_index += 1;
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if app.color_index >= app.colors.len() {
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app.color_index = 0;
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}
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}
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}
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}
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terminal.show_cursor().unwrap();
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terminal.clear().unwrap();
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}
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fn draw(t: &mut Terminal<MouseBackend>, app: &App) -> Result<(), io::Error> {
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Group::default()
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.direction(Direction::Vertical)
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.sizes(&[Size::Fixed(3), Size::Min(0)])
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.render(t, &app.size, |t, chunks| {
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Tabs::default()
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.block(Block::default().borders(border::ALL).title("Tabs"))
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.titles(&app.tabs.titles)
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.style(Style::default().fg(Color::Green))
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.highlight_style(Style::default().fg(Color::Yellow))
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.select(app.tabs.selection)
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.render(t, &chunks[0]);
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match app.tabs.selection {
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0 => {
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draw_first_tab(t, app, &chunks[1]);
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}
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1 => {
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draw_second_tab(t, app, &chunks[1]);
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}
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_ => {}
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};
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});
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try!(t.draw());
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Ok(())
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}
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fn draw_first_tab(t: &mut Terminal<MouseBackend>, app: &App, area: &Rect) {
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Group::default()
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.direction(Direction::Vertical)
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.sizes(&[Size::Fixed(7), Size::Min(7), Size::Fixed(7)])
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.render(t, area, |t, chunks| {
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draw_gauges(t, app, &chunks[0]);
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draw_charts(t, app, &chunks[1]);
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draw_text(t, &chunks[2]);
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});
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}
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fn draw_gauges(t: &mut Terminal<MouseBackend>, app: &App, area: &Rect) {
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Block::default()
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.borders(border::ALL)
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.title("Graphs")
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.render(t, area);
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Group::default()
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.direction(Direction::Vertical)
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.margin(1)
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.sizes(&[Size::Fixed(2), Size::Fixed(3)])
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.render(t, area, |t, chunks| {
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Gauge::default()
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.block(Block::default().title("Gauge:"))
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.style(Style::default()
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.fg(Color::Magenta)
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.bg(Color::Black)
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.modifier(Modifier::Italic))
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.label(&format!("{} / 100", app.progress))
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.percent(app.progress)
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.render(t, &chunks[0]);
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Sparkline::default()
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.block(Block::default().title("Sparkline:"))
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.style(Style::default().fg(Color::Green))
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.data(&app.data)
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.render(t, &chunks[1]);
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});
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}
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fn draw_charts(t: &mut Terminal<MouseBackend>, app: &App, area: &Rect) {
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let sizes = if app.show_chart {
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vec![Size::Percent(50), Size::Percent(50)]
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} else {
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vec![Size::Percent(100)]
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};
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Group::default()
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.direction(Direction::Horizontal)
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.sizes(&sizes)
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.render(t, area, |t, chunks| {
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Group::default()
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.direction(Direction::Vertical)
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.sizes(&[Size::Percent(50), Size::Percent(50)])
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.render(t, &chunks[0], |t, chunks| {
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Group::default()
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.direction(Direction::Horizontal)
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.sizes(&[Size::Percent(50), Size::Percent(50)])
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.render(t, &chunks[0], |t, chunks| {
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SelectableList::default()
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.block(Block::default().borders(border::ALL).title("List"))
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.items(&app.items)
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.select(app.selected)
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.highlight_style(Style::default()
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.fg(Color::Yellow)
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.modifier(Modifier::Bold))
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.highlight_symbol(">")
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.render(t, &chunks[0]);
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let info_style = Style::default().fg(Color::White);
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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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List::default()
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.block(Block::default().borders(border::ALL).title("List"))
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.items(&app.events
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.iter()
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.map(|&(evt, level)| {
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(format!("{}: {}", level, evt),
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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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})
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.collect::<Vec<(String, &Style)>>())
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.render(t, &chunks[1]);
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});
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BarChart::default()
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.block(Block::default().borders(border::ALL).title("Bar chart"))
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.data(&app.data4)
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.bar_width(3)
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.bar_gap(2)
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.value_style(Style::default()
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.fg(Color::Black)
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.bg(Color::Green)
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.modifier(Modifier::Italic))
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.label_style(Style::default().fg(Color::Yellow))
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.style(Style::default().fg(Color::Green))
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.render(t, &chunks[1]);
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});
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if app.show_chart {
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Chart::default()
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.block(Block::default()
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.title("Chart")
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.title_style(Style::default()
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.fg(Color::Cyan)
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.modifier(Modifier::Bold))
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.borders(border::ALL))
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.x_axis(Axis::default()
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.title("X Axis")
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.style(Style::default().fg(Color::Gray))
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.labels_style(Style::default().modifier(Modifier::Italic))
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.bounds(app.window)
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.labels(&[&format!("{}", app.window[0]),
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&format!("{}",
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(app.window[0] + app.window[1]) / 2.0),
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&format!("{}", app.window[1])]))
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.y_axis(Axis::default()
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.title("Y Axis")
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.style(Style::default().fg(Color::Gray))
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.labels_style(Style::default().modifier(Modifier::Italic))
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.bounds([-20.0, 20.0])
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.labels(&["-20", "0", "20"]))
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.datasets(&[Dataset::default()
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.name("data2")
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.marker(Marker::Dot)
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.style(Style::default().fg(Color::Cyan))
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.data(&app.data2),
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Dataset::default()
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.name("data3")
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.marker(Marker::Braille)
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.style(Style::default().fg(Color::Yellow))
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.data(&app.data3)])
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.render(t, &chunks[1]);
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}
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});
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}
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fn draw_text(t: &mut Terminal<MouseBackend>, area: &Rect) {
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Paragraph::default()
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.block(Block::default()
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.borders(border::ALL)
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.title("Footer")
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.title_style(Style::default().fg(Color::Magenta).modifier(Modifier::Bold)))
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.wrap(true)
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.text("This is a paragraph with several lines.\nYou can change the color.\nUse \
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\\{fg=[color];bg=[color];mod=[modifier] [text]} to highlight the text with a color. \
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For example, {fg=red u}{fg=green n}{fg=yellow d}{fg=magenta e}{fg=cyan r} \
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{fg=gray t}{fg=light_gray h}{fg=light_red e} {fg=light_green r}{fg=light_yellow a} \
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{fg=light_magenta i}{fg=light_cyan n}{fg=white b}{fg=red o}{fg=green w}.\n\
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Oh, and if you didn't {mod=italic notice} you can {mod=bold automatically} \
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{mod=invert wrap} your {mod=underline text} =).\nOne more thing is that \
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it should display unicode characters properly: 日本国, ٩(-̮̮̃-̃)۶ ٩(●̮̮̃•̃)۶ ٩(͡๏̯͡๏)۶ \
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٩(-̮̮̃•̃).")
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.render(t, area);
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}
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fn draw_second_tab(t: &mut Terminal<MouseBackend>, app: &App, area: &Rect) {
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Group::default()
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.direction(Direction::Horizontal)
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.sizes(&[Size::Percent(30), Size::Percent(70)])
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.render(t, area, |t, chunks| {
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let up_style = Style::default().fg(Color::Green);
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let failure_style = Style::default().fg(Color::Red);
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Table::default()
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.block(Block::default().title("Servers").borders(border::ALL))
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.header(&["Server", "Location", "Status"])
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.header_style(Style::default().fg(Color::Yellow))
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.widths(&[15, 15, 10])
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.rows(&app.servers
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.iter()
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.map(|s| {
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(vec![s.name, s.location, s.status],
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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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})
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.collect::<Vec<(Vec<&str>, &Style)>>())
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.render(t, &chunks[0]);
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Canvas::default()
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.block(Block::default().title("World").borders(border::ALL))
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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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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(&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(server.coords.1, server.coords.0, "X", color);
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}
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})
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.x_bounds([-180.0, 180.0])
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.y_bounds([-90.0, 90.0])
|
|
.render(t, &chunks[1]);
|
|
})
|
|
}
|