ratatui/examples/block.rs
Florian Dehau 13e194cd26 refactor: update widgets
* all widgets use the consumable builder pattern
* `draw` on terminal expect a closure that take a frame as only arg
2018-09-04 22:23:44 +02:00

84 lines
2.9 KiB
Rust

extern crate termion;
extern crate tui;
use std::io;
use termion::event;
use termion::input::TermRead;
use tui::backend::MouseBackend;
use tui::layout::{Constraint, Direction, Layout, Rect};
use tui::style::{Color, Modifier, Style};
use tui::widgets::{Block, Borders, Widget};
use tui::Terminal;
fn main() {
let mut terminal = Terminal::new(MouseBackend::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).unwrap();
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).unwrap();
let evt = c.unwrap();
if evt == event::Key::Char('q') {
break;
}
}
terminal.show_cursor().unwrap();
}
fn draw(t: &mut Terminal<MouseBackend>, size: Rect) -> Result<(), io::Error> {
t.draw(|mut f| {
// 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(Borders::ALL).render(&mut f, size);
let chunks = Layout::default()
.direction(Direction::Vertical)
.margin(4)
.constraints([Constraint::Percentage(50), Constraint::Percentage(50)].as_ref())
.split(size);
{
let chunks = Layout::default()
.direction(Direction::Horizontal)
.constraints([Constraint::Percentage(50), Constraint::Percentage(50)].as_ref())
.split(chunks[0]);
Block::default()
.title("With background")
.title_style(Style::default().fg(Color::Yellow))
.style(Style::default().bg(Color::Green))
.render(&mut f, chunks[0]);
Block::default()
.title("Styled title")
.title_style(
Style::default()
.fg(Color::White)
.bg(Color::Red)
.modifier(Modifier::Bold),
)
.render(&mut f, chunks[1]);
}
{
let chunks = Layout::default()
.direction(Direction::Horizontal)
.constraints([Constraint::Percentage(50), Constraint::Percentage(50)].as_ref())
.split(chunks[1]);
Block::default()
.title("With borders")
.borders(Borders::ALL)
.render(&mut f, chunks[0]);
Block::default()
.title("With styled borders")
.border_style(Style::default().fg(Color::Cyan))
.borders(Borders::LEFT | Borders::RIGHT)
.render(&mut f, chunks[1]);
}
})
}