49 lines
991 B
Rust
49 lines
991 B
Rust
|
use std::io::{self, stdout};
|
||
|
|
use termion::event::Key;
|
||
|
|
use termion::input::TermRead;
|
||
|
|
use termion::raw::IntoRawMode;
|
||
|
|
|
||
|
|
pub struct Editor {
|
||
|
|
should_quit: bool,
|
||
|
|
}
|
||
|
|
|
||
|
|
impl Editor {
|
||
|
|
pub fn run(&mut self) {
|
||
|
|
let _stdout = stdout().into_raw_mode().unwrap();
|
||
|
|
|
||
|
|
loop {
|
||
|
|
if let Err(error) = self.process_keypress() {
|
||
|
|
die(error);
|
||
|
|
}
|
||
|
|
if self.should_quit {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
pub fn default() -> Self {
|
||
|
|
Self { should_quit: false }
|
||
|
|
}
|
||
|
|
|
||
|
|
fn process_keypress(&mut self) -> Result<(), std::io::Error> {
|
||
|
|
let pressed_key = read_key()?;
|
||
|
|
match pressed_key {
|
||
|
|
Key::Ctrl('q') => self.should_quit = true,
|
||
|
|
_ => (),
|
||
|
|
}
|
||
|
|
Ok(())
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
fn read_key() -> Result<Key, std::io::Error> {
|
||
|
|
loop {
|
||
|
|
if let Some(key) = io::stdin().lock().keys().next() {
|
||
|
|
return key;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
fn die(e: std::io::Error) {
|
||
|
|
panic!(e);
|
||
|
|
}
|