pub use std::error::Error;
pub use std::io::{stdout, Stdout, Write};
pub use std::thread::{spawn, JoinHandle};
pub use std::time::Duration;
pub use std::collections::BTreeMap;
pub use std::sync::{Arc, Mutex, MutexGuard};
pub use std::sync::atomic::{Ordering, AtomicBool, AtomicUsize};
pub use std::sync::mpsc::{channel, Sender, Receiver};

pub use microxdg::XdgApp;
pub use ratatui::prelude::*;
pub use midly::{MidiMessage, live::LiveEvent, num::u7};
pub use crossterm::{ExecutableCommand, QueueableCommand};
pub use crossterm::event::{Event, KeyEvent, KeyCode, KeyModifiers};

macro_rules! submod { ($($name:ident)*) => { $(mod $name; pub use self::$name::*;)* }; }

submod!( handle jack keymap midi port render run time );

pub type Usually<T> = Result<T, Box<dyn Error>>;

pub trait Component: Render + Handle {}

impl<T: Render + Handle> Component for T {}

/// A UI component that may have presence on the JACK grap.
pub trait Device: Render + Handle + Process + Send + Sync {
    fn boxed (self) -> Box<dyn Device> where Self: Sized + 'static {
        Box::new(self)
    }
}

/// All things that implement the required traits can be treated as `Device`.
impl<T: Render + Handle + Process + Send + Sync> Device for T {}

// Reexport macros:
pub use crate::{
    render,
    handle,
    process,
    phrase,
    keymap, 
    key,
    ports
};