lib-nested/terminal/display_server/src/main.rs

74 lines
2 KiB
Rust
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use {
std::{
fs::File,
os::unix::io::FromRawFd,
io::{Read, Write, stdout}
},
nested::terminal::{
TerminalAtom,
TerminalStyle
},
termion::raw::IntoRawMode,
cgmath::{Point2, Vector2}
};
fn main() {
let mut out = stdout().into_raw_mode().unwrap();
write!(out, "{}{}{}",
termion::cursor::Hide,
termion::cursor::Goto(1, 1),
termion::style::Reset).unwrap();
let mut cur_pos = Point2::<i16>::new(0, 0);
let mut cur_style = TerminalStyle::default();
let mut f = unsafe { File::from_raw_fd(0) };
let mut bytes = [0 as u8; 0xe];
let mut input = std::io::stdin();
let mut buf = [0; 2048];
loop {
match bincode::deserialize_from::<_, (Point2<i16>, Option<TerminalAtom>)>(input.by_ref()) {
Ok((pos, atom)) => {
if pos != cur_pos {
write!(out, "{}", termion::cursor::Goto(pos.x as u16 + 1, pos.y as u16 + 1)).unwrap();
}
if let Some(atom) = atom {
if cur_style != atom.style {
cur_style = atom.style;
write!(out, "{}", atom.style);
}
write!(out, "{}", atom.c.unwrap_or(' '));
} else {
write!(out, "{} ", termion::style::Reset);
cur_style = TerminalStyle::default();
}
cur_pos = pos + Vector2::new(1, 0);
out.flush().unwrap();
}
Err(err) => {
match *err {
bincode::ErrorKind::Io(io_error) => {
break
}
err => {
eprintln!("deserialization error: {:?}\n{:?}", bytes, err);
}
}
break;
}
}
}
// restore conventional terminal settings
write!(out, "{}", termion::cursor::Show).unwrap();
out.flush().unwrap();
}