ratatui/examples/block.rs
2017-05-08 21:34:41 +02:00

84 lines
2.9 KiB
Rust

extern crate tui;
extern crate termion;
use std::io;
use termion::event;
use termion::input::TermRead;
use tui::Terminal;
use tui::backend::TermionBackend;
use tui::widgets::{Widget, Block, border};
use tui::layout::{Group, Direction, Size, Rect};
use tui::style::{Style, Color, Modifier};
fn main() {
let mut terminal = Terminal::new(TermionBackend::new().unwrap()).unwrap();
let stdin = io::stdin();
terminal.clear().unwrap();
terminal.hide_cursor().unwrap();
let mut term_size = terminal.size().unwrap();
draw(&mut terminal, &term_size);
for c in stdin.keys() {
let size = terminal.size().unwrap();
if term_size != size {
terminal.resize(size).unwrap();
term_size = size;
}
draw(&mut terminal, &term_size);
let evt = c.unwrap();
if evt == event::Key::Char('q') {
break;
}
}
terminal.show_cursor().unwrap();
}
fn draw(t: &mut Terminal<TermionBackend>, size: &Rect) {
// Wrapping block for a group
// Just draw the block and the group on the same area and build the group
// with at least a margin of 1
Block::default()
.borders(border::ALL)
.render(t, &size);
Group::default()
.direction(Direction::Vertical)
.margin(4)
.sizes(&[Size::Percent(50), Size::Percent(50)])
.render(t, &size, |t, chunks| {
Group::default()
.direction(Direction::Horizontal)
.sizes(&[Size::Percent(50), Size::Percent(50)])
.render(t, &chunks[0], |t, chunks| {
Block::default()
.title("With background")
.title_style(Style::default().fg(Color::Yellow))
.style(Style::default().bg(Color::Green))
.render(t, &chunks[0]);
Block::default()
.title("Styled title")
.title_style(Style::default()
.fg(Color::White)
.bg(Color::Red)
.modifier(Modifier::Bold))
.render(t, &chunks[1]);
});
Group::default()
.direction(Direction::Horizontal)
.sizes(&[Size::Percent(50), Size::Percent(50)])
.render(t, &chunks[1], |t, chunks| {
Block::default()
.title("With borders")
.borders(border::ALL)
.render(t, &chunks[0]);
Block::default()
.title("With styled borders")
.border_style(Style::default().fg(Color::Cyan))
.borders(border::LEFT | border::RIGHT)
.render(t, &chunks[1]);
});
});
t.draw().unwrap();
}