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#[macro_use]
extern crate tracing;
mod animation;
mod backend;
mod config;
mod dbus;
mod frame_clock;
mod handlers;
mod input;
mod layout;
mod niri;
mod pw_utils;
mod utils;
use std::env;
use std::ffi::OsString;
use std::path::PathBuf;
use clap::Parser;
use config::Config;
use miette::Context;
use niri::{Niri, State};
use portable_atomic::Ordering;
use smithay::reexports::calloop::EventLoop;
use smithay::reexports::wayland_server::Display;
use tracing_subscriber::EnvFilter;
#[derive(Parser)]
#[command(author, version, about, long_about = None)]
struct Cli {
/// Path to config file (default: `$XDG_CONFIG_HOME/niri/config.kdl`).
#[arg(short, long)]
config: Option<PathBuf>,
/// Command to run upon compositor startup.
#[arg(last = true)]
command: Vec<OsString>,
}
pub struct LoopData {
display: Display<State>,
state: State,
}
fn main() {
env::set_var("RUST_BACKTRACE", "1");
let directives = env::var("RUST_LOG").unwrap_or_else(|_| "niri=debug,info".to_owned());
let env_filter = EnvFilter::builder().parse_lossy(directives);
tracing_subscriber::fmt()
.compact()
.with_env_filter(env_filter)
.init();
let cli = Cli::parse();
let _client = tracy_client::Client::start();
let config = match Config::load(cli.config).context("error loading config") {
Ok(config) => config,
Err(err) => {
warn!("{err:?}");
Config::default()
}
};
animation::ANIMATION_SLOWDOWN.store(config.debug.animation_slowdown, Ordering::Relaxed);
let mut event_loop = EventLoop::try_new().unwrap();
let mut display = Display::new().unwrap();
let state = State::new(
config,
event_loop.handle(),
event_loop.get_signal(),
&mut display,
);
let mut data = LoopData { display, state };
if let Some((command, args)) = cli.command.split_first() {
if let Err(err) = std::process::Command::new(command).args(args).spawn() {
warn!("error spawning command: {err:?}");
}
}
event_loop
.run(None, &mut data, move |data| {
let _span = tracy_client::span!("loop callback");
// These should be called periodically, before flushing the clients.
data.state.niri.monitor_set.refresh();
data.state.niri.popups.cleanup();
data.state.update_focus();
{
let _span = tracy_client::span!("flush_clients");
data.display.flush_clients().unwrap();
}
})
.unwrap();
}
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