| #[allow(dead_code)] |
| mod util; |
| |
| use crate::util::event::{Event, Events}; |
| use std::{error::Error, io}; |
| use termion::{event::Key, input::MouseTerminal, raw::IntoRawMode, screen::AlternateScreen}; |
| use tui::{ |
| backend::TermionBackend, |
| layout::{Constraint, Direction, Layout}, |
| style::{Color, Modifier, Style}, |
| widgets::{BarChart, Block, Borders}, |
| Terminal, |
| }; |
| |
| struct App<'a> { |
| data: Vec<(&'a str, u64)>, |
| } |
| |
| impl<'a> App<'a> { |
| fn new() -> App<'a> { |
| App { |
| data: 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), |
| ("B16", 6), |
| ("B17", 4), |
| ("B18", 7), |
| ("B19", 13), |
| ("B20", 8), |
| ("B21", 11), |
| ("B22", 9), |
| ("B23", 3), |
| ("B24", 5), |
| ], |
| } |
| } |
| |
| fn update(&mut self) { |
| let value = self.data.pop().unwrap(); |
| self.data.insert(0, value); |
| } |
| } |
| |
| fn main() -> Result<(), Box<dyn Error>> { |
| // Terminal initialization |
| let stdout = io::stdout().into_raw_mode()?; |
| let stdout = MouseTerminal::from(stdout); |
| let stdout = AlternateScreen::from(stdout); |
| let backend = TermionBackend::new(stdout); |
| let mut terminal = Terminal::new(backend)?; |
| |
| // Setup event handlers |
| let events = Events::new(); |
| |
| // App |
| let mut app = App::new(); |
| |
| loop { |
| terminal.draw(|f| { |
| let chunks = Layout::default() |
| .direction(Direction::Vertical) |
| .margin(2) |
| .constraints([Constraint::Percentage(50), Constraint::Percentage(50)].as_ref()) |
| .split(f.size()); |
| let barchart = BarChart::default() |
| .block(Block::default().title("Data1").borders(Borders::ALL)) |
| .data(&app.data) |
| .bar_width(9) |
| .bar_style(Style::default().fg(Color::Yellow)) |
| .value_style(Style::default().fg(Color::Black).bg(Color::Yellow)); |
| f.render_widget(barchart, chunks[0]); |
| |
| let chunks = Layout::default() |
| .direction(Direction::Horizontal) |
| .constraints([Constraint::Percentage(50), Constraint::Percentage(50)].as_ref()) |
| .split(chunks[1]); |
| |
| let barchart = BarChart::default() |
| .block(Block::default().title("Data2").borders(Borders::ALL)) |
| .data(&app.data) |
| .bar_width(5) |
| .bar_gap(3) |
| .bar_style(Style::default().fg(Color::Green)) |
| .value_style( |
| Style::default() |
| .bg(Color::Green) |
| .add_modifier(Modifier::BOLD), |
| ); |
| f.render_widget(barchart, chunks[0]); |
| |
| let barchart = BarChart::default() |
| .block(Block::default().title("Data3").borders(Borders::ALL)) |
| .data(&app.data) |
| .bar_style(Style::default().fg(Color::Red)) |
| .bar_width(7) |
| .bar_gap(0) |
| .value_style(Style::default().bg(Color::Red)) |
| .label_style( |
| Style::default() |
| .fg(Color::Cyan) |
| .add_modifier(Modifier::ITALIC), |
| ); |
| f.render_widget(barchart, chunks[1]); |
| })?; |
| |
| match events.next()? { |
| Event::Input(input) => { |
| if input == Key::Char('q') { |
| break; |
| } |
| } |
| Event::Tick => { |
| app.update(); |
| } |
| } |
| } |
| |
| Ok(()) |
| } |