tui-rs/examples/demo.rs
2016-11-03 00:11:06 +01:00

440 lines
15 KiB
Rust

extern crate tui;
#[macro_use]
extern crate log;
extern crate log4rs;
extern crate termion;
extern crate rand;
use std::thread;
use std::env;
use std::time;
use std::sync::mpsc;
use std::io::stdin;
use rand::distributions::{IndependentSample, Range};
use termion::event;
use termion::input::TermRead;
use log::LogLevelFilter;
use log4rs::append::file::FileAppender;
use log4rs::encode::pattern::PatternEncoder;
use log4rs::config::{Appender, Config, Root};
use tui::Terminal;
use tui::widgets::{Widget, Block, List, Gauge, Sparkline, Text, border, Chart, Axis, Dataset,
BarChart, Marker, Tabs, Table};
use tui::widgets::canvas::{Canvas, Line, Map, MapResolution};
use tui::layout::{Group, Direction, Size, Rect};
use tui::style::Color;
#[derive(Clone)]
struct RandomSignal {
range: Range<u64>,
rng: rand::ThreadRng,
}
impl RandomSignal {
fn new(r: Range<u64>) -> RandomSignal {
RandomSignal {
range: r,
rng: rand::thread_rng(),
}
}
}
impl Iterator for RandomSignal {
type Item = u64;
fn next(&mut self) -> Option<u64> {
Some(self.range.ind_sample(&mut self.rng))
}
}
#[derive(Clone)]
struct SinSignal {
x: f64,
interval: f64,
period: f64,
scale: f64,
}
impl SinSignal {
fn new(interval: f64, period: f64, scale: f64) -> SinSignal {
SinSignal {
x: 0.0,
interval: interval,
period: period,
scale: scale,
}
}
}
impl Iterator for SinSignal {
type Item = (f64, f64);
fn next(&mut self) -> Option<Self::Item> {
let point = (self.x, (self.x * 1.0 / self.period).sin() * self.scale);
self.x += self.interval;
Some(point)
}
}
struct MyTabs {
titles: [&'static str; 2],
selection: usize,
}
impl MyTabs {
fn next(&mut self) {
self.selection = (self.selection + 1) % self.titles.len();
}
fn previous(&mut self) {
if self.selection > 0 {
self.selection -= 1;
}
}
}
struct App<'a> {
size: Rect,
items: Vec<&'a str>,
items2: Vec<&'a str>,
selected: usize,
tabs: MyTabs,
show_chart: bool,
progress: u16,
data: Vec<u64>,
data2: Vec<(f64, f64)>,
data3: Vec<(f64, f64)>,
data4: Vec<(&'a str, u64)>,
window: [f64; 2],
colors: [Color; 2],
color_index: usize,
}
enum Event {
Input(event::Key),
Tick,
}
fn main() {
for argument in env::args() {
if argument == "--log" {
let log = FileAppender::builder()
.encoder(Box::new(PatternEncoder::new("{l} / {d(%H:%M:%S)} / \
{M}:{L}{n}{m}{n}{n}")))
.build("demo.log")
.unwrap();
let config = Config::builder()
.appender(Appender::builder().build("log", Box::new(log)))
.build(Root::builder().appender("log").build(LogLevelFilter::Debug))
.unwrap();
log4rs::init_config(config).unwrap();
}
}
info!("Start");
let mut rand_signal = RandomSignal::new(Range::new(0, 100));
let mut sin_signal = SinSignal::new(0.2, 5.0, 20.0);
let mut sin_signal2 = SinSignal::new(0.1, 2.0, 10.0);
let mut app = App {
size: Rect::default(),
items: vec!["Item1", "Item2", "Item3", "Item4", "Item5", "Item6", "Item7", "Item8",
"Item9", "Item10"],
items2: vec!["Event1", "Event2", "Event3", "Event4", "Event5", "Event6", "Event7",
"Event8", "Event9", "Event10", "Event11", "Event12", "Event13", "Event14",
"Event15", "Event16", "Event17", "Event18", "Event19"],
selected: 0,
tabs: MyTabs {
titles: ["Main", "Map"],
selection: 0,
},
show_chart: true,
progress: 0,
data: rand_signal.clone().take(200).collect(),
data2: sin_signal.clone().take(100).collect(),
data3: sin_signal2.clone().take(200).collect(),
data4: vec![("B1", 9),
("B2", 12),
("B3", 5),
("B4", 8),
("B5", 2),
("B6", 4),
("B7", 5),
("B8", 9),
("B9", 14),
("B10", 15),
("B11", 1),
("B12", 0),
("B13", 4),
("B14", 6),
("B15", 4)],
window: [0.0, 20.0],
colors: [Color::Magenta, Color::Red],
color_index: 0,
};
let (tx, rx) = mpsc::channel();
let input_tx = tx.clone();
for _ in 0..100 {
sin_signal.next();
}
for _ in 0..200 {
sin_signal2.next();
}
thread::spawn(move || {
let stdin = stdin();
for c in stdin.keys() {
let evt = c.unwrap();
input_tx.send(Event::Input(evt)).unwrap();
if evt == event::Key::Char('q') {
break;
}
}
});
thread::spawn(move || {
let tx = tx.clone();
loop {
tx.send(Event::Tick).unwrap();
thread::sleep(time::Duration::from_millis(1000));
}
});
let mut terminal = Terminal::new().unwrap();
terminal.clear();
terminal.hide_cursor();
loop {
let size = Terminal::size().unwrap();
if size != app.size {
terminal.resize(size);
app.size = size;
}
draw(&mut terminal, &app);
let evt = rx.recv().unwrap();
match evt {
Event::Input(input) => {
match input {
event::Key::Char('q') => {
break;
}
event::Key::Up => {
if app.selected > 0 {
app.selected -= 1
};
}
event::Key::Down => {
if app.selected < app.items.len() - 1 {
app.selected += 1;
}
}
event::Key::Left => {
app.tabs.previous();
}
event::Key::Right => {
app.tabs.next();
}
event::Key::Char('t') => {
app.show_chart = !app.show_chart;
}
_ => {}
}
}
Event::Tick => {
app.progress += 5;
if app.progress > 100 {
app.progress = 0;
}
app.data.insert(0, rand_signal.next().unwrap());
app.data.pop();
for _ in 0..5 {
app.data2.remove(0);
app.data2.push(sin_signal.next().unwrap());
}
for _ in 0..10 {
app.data3.remove(0);
app.data3.push(sin_signal2.next().unwrap());
}
let i = app.data4.pop().unwrap();
app.data4.insert(0, i);
app.window[0] += 1.0;
app.window[1] += 1.0;
let i = app.items2.pop().unwrap();
app.items2.insert(0, i);
app.color_index += 1;
if app.color_index >= app.colors.len() {
app.color_index = 0;
}
}
}
}
terminal.show_cursor();
}
fn draw(t: &mut Terminal, app: &App) {
Group::default()
.direction(Direction::Vertical)
.sizes(&[Size::Fixed(3), Size::Min(0)])
.render(t, &app.size, |t, chunks| {
Tabs::default()
.block(Block::default().borders(border::ALL).title("Tabs"))
.titles(&app.tabs.titles)
.color(Color::Green)
.highlight_color(Color::Yellow)
.select(app.tabs.selection)
.render(&chunks[0], t);
match app.tabs.selection {
0 => {
draw_main(t, app, &chunks[1]);
}
1 => {
Group::default()
.direction(Direction::Vertical)
.sizes(&[Size::Percent(50), Size::Percent(50)])
.render(t, &chunks[1], |t, chunks| {
Table::default()
.block(Block::default()
.title("Servers")
.borders(border::ALL))
.header(&["Server", "Location", "Status"])
.header_color(Color::Red)
.widths(&[20, 20, 20])
.rows(&[&["Europe#1", "Paris", "Up"],
&["Europe#2", "Berlin", "Up"]])
.color(Color::Green)
.render(&chunks[0], t);
Canvas::default()
.block(Block::default().title("World").borders(border::ALL))
.layers(&[&[&Map {
color: Color::Green,
resolution: MapResolution::High,
}]])
.x_bounds([-180.0, 180.0])
.y_bounds([-90.0, 90.0])
.render(&chunks[1], t);
})
}
_ => {}
};
});
t.finish();
}
fn draw_main(t: &mut Terminal, app: &App, area: &Rect) {
Group::default()
.direction(Direction::Vertical)
.sizes(&[Size::Fixed(7), Size::Min(7), Size::Fixed(7)])
.render(t, area, |t, chunks| {
Block::default()
.borders(border::ALL)
.title("Graphs")
.render(&chunks[0], t);
Group::default()
.direction(Direction::Vertical)
.margin(1)
.sizes(&[Size::Fixed(2), Size::Fixed(3)])
.render(t, &chunks[0], |t, chunks| {
Gauge::default()
.block(Block::default().title("Gauge:"))
.color(Color::Magenta)
.percent(app.progress)
.render(&chunks[0], t);
Sparkline::default()
.block(Block::default().title("Sparkline:"))
.color(Color::Green)
.data(&app.data)
.render(&chunks[1], t);
});
let sizes = if app.show_chart {
vec![Size::Percent(50), Size::Percent(50)]
} else {
vec![Size::Percent(100)]
};
Group::default()
.direction(Direction::Horizontal)
.sizes(&sizes)
.render(t, &chunks[1], |t, chunks| {
Group::default()
.direction(Direction::Vertical)
.sizes(&[Size::Percent(50), Size::Percent(50)])
.render(t, &chunks[0], |t, chunks| {
Group::default()
.direction(Direction::Horizontal)
.sizes(&[Size::Percent(50), Size::Percent(50)])
.render(t, &chunks[0], |t, chunks| {
List::default()
.block(Block::default()
.borders(border::ALL)
.title("List"))
.items(&app.items)
.select(app.selected)
.highlight_color(Color::Yellow)
.highlight_symbol(">")
.render(&chunks[0], t);
List::default()
.block(Block::default()
.borders(border::ALL)
.title("List"))
.items(&app.items2)
.render(&chunks[1], t);
});
BarChart::default()
.block(Block::default()
.borders(border::ALL)
.title("Bar chart"))
.data(&app.data4)
.bar_width(3)
.bar_gap(2)
.bar_color(Color::Green)
.value_color(Color::Black)
.label_color(Color::Yellow)
.render(&chunks[1], t);
});
if app.show_chart {
Chart::default()
.block(Block::default().title("Chart"))
.x_axis(Axis::default()
.title("X Axis")
.color(Color::Gray)
.bounds(app.window)
.labels(&[&format!("{}", app.window[0]),
&format!("{}", (app.window[0] + app.window[1]) / 2.0),
&format!("{}", app.window[1])]))
.y_axis(Axis::default()
.title("Y Axis")
.color(Color::Gray)
.bounds([-25.0, 25.0])
.labels(&["-25", "0", "25"]))
.datasets(&[Dataset::default()
.marker(Marker::Dot)
.color(Color::Cyan)
.data(&app.data2),
Dataset::default()
.marker(Marker::Braille)
.color(Color::Yellow)
.data(&app.data3)])
.render(&chunks[1], t);
}
});
Text::default()
.block(Block::default().borders(border::ALL).title("Footer"))
.wrap(true)
.color(app.colors[app.color_index])
.text("This is a paragraph with several lines.\nYou can change the \
color.\nUse \\{[color] [text]} to highlight the text with a \
color. For example, {red u}{green n}{yellow d}{magenta e}{cyan r} \
{gray t}{light_gray h}{light_red e} {light_green r}{light_yellow \
a}{light_magenta i}{light_cyan n}{white b}{red o}{green w}.\nOh, \
and if you didn't notice you can automatically wrap your text =).")
.render(&chunks[2], t);
});
}