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simple-tui.rs
executable file
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simple-tui.rs
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#!/usr/bin/env rust-script
//! ```cargo
//! [dependencies]
//! crossterm = "0.27.0"
//! ratatui = "0.25.0"
//! ```
use std::io::{self, stdout};
use crossterm::{
event::{self, Event, KeyCode, KeyEventKind},
terminal::{disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen},
ExecutableCommand,
};
use ratatui::{prelude::*, widgets::*};
/// Handle key events.
fn handle_events() -> io::Result<bool> {
if event::poll(std::time::Duration::from_millis(50))? {
if let Event::Key(key) = event::read()? {
// Quit when 'q' is pressed.
if key.kind == KeyEventKind::Press && key.code == KeyCode::Char('q') {
return Ok(true);
}
}
}
Ok(false)
}
/// Render the widgets.
fn ui(frame: &mut Frame) {
frame.render_widget(
Paragraph::new("__QQ\n(_)_\">")
.alignment(Alignment::Center)
.block(
Block::default()
.title("blog.orhun.dev")
.borders(Borders::ALL),
),
frame.size(),
);
}
fn main() -> io::Result<()> {
enable_raw_mode()?;
stdout().execute(EnterAlternateScreen)?;
let mut terminal = Terminal::new(CrosstermBackend::new(stdout()))?;
let mut should_quit = false;
while !should_quit {
terminal.draw(ui)?;
should_quit = handle_events()?;
}
disable_raw_mode()?;
stdout().execute(LeaveAlternateScreen)?;
Ok(())
}