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use std::io::{Write, stdin, stdout};
use termion::color;
use termion::event::Key;
use termion::input::TermRead;
use termion::raw::IntoRawMode;
use termion::screen::AlternateScreen;
fn main() {
let stdin = stdin();
let screen = AlternateScreen::from(stdout().into_raw_mode().unwrap());
// hide the cursor
let mut screen = termion::cursor::HideCursor::from(screen);
// open database
let db = notmuch::Database::open(&"/home/gustav/.mail", notmuch::DatabaseMode::ReadOnly).unwrap();
// get threads
let query = db.create_query("tag:inbox").unwrap();
let threads = query.search_threads().unwrap();
let threads = threads
.map(|t| format!("thread {:?}, {:?}",
t.subject(),
t.authors()))
.collect();
let mut i: isize = 0;
show_threads(&mut screen, &threads, i as usize);
for c in stdin.keys() {
match c.unwrap() {
Key::Char('j') => i += 1,
Key::Char('k') => i -= 1,
Key::Char('q') => break,
_ => ()
}
i = i.rem_euclid(threads.len() as isize);
show_threads(&mut screen, &threads, i as usize);
}
}
fn show_threads<W: Write>(stdout: &mut W, threads: &Vec<String>, highlight: usize) {
write!(stdout, "{}", termion::clear::All).unwrap();
for (i, thread) in threads.iter().enumerate() {
write!(stdout, "{}", termion::cursor::Goto(1, (i + 1) as u16)).unwrap();
let highlight = highlight == i;
if highlight {
write!(stdout, "{}", color::Fg(color::Red)).unwrap();
}
write!(stdout, "{}", thread).unwrap();
if highlight {
write!(stdout, "{}", color::Fg(color::Reset)).unwrap();
}
}
stdout.flush().unwrap();
}
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