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use std::io::{stdout, Stdout};
use bevy::prelude::*;
use crossterm::{
event::{
DisableMouseCapture, EnableMouseCapture, KeyboardEnhancementFlags,
PopKeyboardEnhancementFlags, PushKeyboardEnhancementFlags,
},
terminal::{disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen},
ExecutableCommand,
};
use ratatui::backend::CrosstermBackend;
/// Ratatui terminal instance. Enters alternate screen when constructed, and exits once dropped.
#[derive(Resource)]
pub struct Terminal(pub ratatui::Terminal<CrosstermBackend<Stdout>>);
impl Default for Terminal {
fn default() -> Self {
stdout().execute(EnterAlternateScreen).unwrap();
stdout().execute(EnableMouseCapture).unwrap();
stdout()
.execute(PushKeyboardEnhancementFlags(
KeyboardEnhancementFlags::REPORT_EVENT_TYPES,
))
.unwrap();
enable_raw_mode().unwrap();
let mut terminal = ratatui::Terminal::new(CrosstermBackend::new(stdout()))
.expect("Failed to create terminal");
terminal.clear().expect("Failed to clear terminal");
Self(terminal)
}
}
impl Drop for Terminal {
fn drop(&mut self) {
let mut stdout = stdout();
let _ = stdout.execute(PopKeyboardEnhancementFlags);
let _ = stdout.execute(DisableMouseCapture);
let _ = stdout.execute(LeaveAlternateScreen);
let _ = disable_raw_mode();
}
}
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