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neovide/src/main.rs

80 lines
2.2 KiB
Rust

#![windows_subsystem = "windows"]
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mod editor;
mod events;
mod window;
mod keybindings;
#[macro_use] extern crate derive_new;
use std::panic;
use std::process::{Command, Stdio, exit};
use std::sync::mpsc::Receiver;
use std::sync::{Arc, Mutex};
use std::thread;
use env_logger::Env as LoggerEnv;
use neovim_lib::{Neovim, UiAttachOptions, Session};
use rmpv::Value;
use window::ui_loop;
use editor::Editor;
use events::parse_neovim_event;
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const INITIAL_WIDTH: u64 = 100;
const INITIAL_HEIGHT: u64 = 50;
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fn nvim_event_loop(receiver: Receiver<(String, Vec<Value>)>, editor: &Arc<Mutex<Editor>>) {
println!("UI thread spawned");
loop {
let (event_name, events) = receiver.recv().expect("Could not receive event.");
let parsed_events = parse_neovim_event(event_name, events).expect("Event parse failed...");
for event in parsed_events {
let mut editor = editor.lock().unwrap();
editor.handle_redraw_event(event);
}
}
}
#[cfg(target_os = "windows")]
fn set_windows_creation_flags(cmd: &mut Command) {
use std::os::windows::process::CommandExt;
cmd.creation_flags(0x08000000); // CREATE_NO_WINDOW
}
fn main() {
env_logger::from_env(LoggerEnv::default().default_filter_or("warn")).init();
panic::set_hook(Box::new(|_| {
exit(1);
}));
let mut cmd = Command::new("nvim");
cmd.arg("--embed")
.args(std::env::args().skip(1))
.stderr(Stdio::inherit());
#[cfg(target_os = "windows")]
set_windows_creation_flags(&mut cmd);
let mut session = Session::new_child_cmd(&mut cmd).unwrap();
let receiver = session.start_event_loop_channel();
let mut nvim = Neovim::new(session);
let mut options = UiAttachOptions::new();
options.set_cmdline_external(false);
options.set_messages_external(false);
options.set_linegrid_external(true);
options.set_rgb(true);
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nvim.ui_attach(INITIAL_WIDTH as i64, INITIAL_HEIGHT as i64, &options).unwrap();
let editor = Arc::new(Mutex::new(Editor::new(INITIAL_WIDTH, INITIAL_HEIGHT)));
let nvim_editor = editor.clone();
thread::spawn(move || {
nvim_event_loop(receiver, &nvim_editor);
});
ui_loop(editor, nvim, (INITIAL_WIDTH, INITIAL_HEIGHT));
}