ratatui/examples/tabs.rs
2019-01-13 14:35:51 +00:00

93 lines
2.8 KiB
Rust

#[allow(dead_code)]
mod util;
use std::io;
use termion::event::Key;
use termion::input::MouseTerminal;
use termion::raw::IntoRawMode;
use termion::screen::AlternateScreen;
use tui::backend::TermionBackend;
use tui::layout::{Constraint, Direction, Layout};
use tui::style::{Color, Style};
use tui::widgets::{Block, Borders, Tabs, Widget};
use tui::Terminal;
use crate::util::event::{Event, Events};
use crate::util::TabsState;
struct App<'a> {
tabs: TabsState<'a>,
}
fn main() -> Result<(), failure::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)?;
terminal.hide_cursor()?;
let events = Events::new();
// App
let mut app = App {
tabs: TabsState::new(vec!["Tab0", "Tab1", "Tab2", "Tab3"]),
};
// Main loop
loop {
terminal.draw(|mut f| {
let size = f.size();
let chunks = Layout::default()
.direction(Direction::Vertical)
.margin(5)
.constraints([Constraint::Length(3), Constraint::Min(0)].as_ref())
.split(size);
Block::default()
.style(Style::default().bg(Color::White))
.render(&mut f, size);
Tabs::default()
.block(Block::default().borders(Borders::ALL).title("Tabs"))
.titles(&app.tabs.titles)
.select(app.tabs.index)
.style(Style::default().fg(Color::Cyan))
.highlight_style(Style::default().fg(Color::Yellow))
.render(&mut f, chunks[0]);
match app.tabs.index {
0 => Block::default()
.title("Inner 0")
.borders(Borders::ALL)
.render(&mut f, chunks[1]),
1 => Block::default()
.title("Inner 1")
.borders(Borders::ALL)
.render(&mut f, chunks[1]),
2 => Block::default()
.title("Inner 2")
.borders(Borders::ALL)
.render(&mut f, chunks[1]),
3 => Block::default()
.title("Inner 3")
.borders(Borders::ALL)
.render(&mut f, chunks[1]),
_ => {}
}
})?;
match events.next()? {
Event::Input(input) => match input {
Key::Char('q') => {
break;
}
Key::Right => app.tabs.next(),
Key::Left => app.tabs.previous(),
_ => {}
},
_ => {}
}
}
Ok(())
}