ratatui/examples/block.rs
Florian Dehau 9085c81e76 refactor: clean up border type for blocks
* Merge line symbols in a single module.
* Replace set_border_type with border_type to match other builder methods.
* Remove unecessary branching.
2020-01-19 15:44:03 +01:00

93 lines
3.3 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, Modifier, Style};
use tui::widgets::{Block, BorderType, Borders, Widget};
use tui::Terminal;
use crate::util::event::{Event, Events};
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()?;
// Setup event handlers
let events = Events::new();
loop {
terminal.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
let size = f.size();
Block::default()
.borders(Borders::ALL)
.title("Main block with round corners")
.border_type(BorderType::Rounded)
.render(&mut f, size);
let chunks = Layout::default()
.direction(Direction::Vertical)
.margin(4)
.constraints([Constraint::Percentage(50), Constraint::Percentage(50)].as_ref())
.split(f.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 and double borders")
.border_style(Style::default().fg(Color::Cyan))
.borders(Borders::LEFT | Borders::RIGHT)
.border_type(BorderType::Double)
.render(&mut f, chunks[1]);
}
})?;
match events.next()? {
Event::Input(key) => {
if key == Key::Char('q') {
break;
}
}
_ => {}
}
}
Ok(())
}