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#[macro_use]
extern crate tracing;
mod animation;
mod backend;
mod config;
mod cursor;
mod dbus;
mod frame_clock;
mod handlers;
mod input;
mod layout;
mod niri;
mod utils;
mod watcher;
#[cfg(not(feature = "xdp-gnome-screencast"))]
mod dummy_pw_utils;
#[cfg(feature = "xdp-gnome-screencast")]
mod pw_utils;
use std::ffi::OsString;
use std::path::PathBuf;
use std::{env, mem};
use clap::Parser;
use config::Config;
#[cfg(not(feature = "xdp-gnome-screencast"))]
use dummy_pw_utils as pw_utils;
use miette::{Context, NarratableReportHandler};
use niri::{Niri, State};
use portable_atomic::Ordering;
use smithay::reexports::calloop::{self, EventLoop};
use smithay::reexports::wayland_server::Display;
use tracing_subscriber::EnvFilter;
use utils::spawn;
use watcher::Watcher;
#[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>,
}
fn main() {
env::set_var("RUST_BACKTRACE", "1");
if env::var_os("RUST_LIB_BACKTRACE").is_none() {
env::set_var("RUST_LIB_BACKTRACE", "0");
}
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();
miette::set_hook(Box::new(|_| Box::new(NarratableReportHandler::new()))).unwrap();
let (mut config, path) = match Config::load(cli.config).context("error loading config") {
Ok((config, path)) => (config, Some(path)),
Err(err) => {
warn!("{err:?}");
(Config::default(), None)
}
};
animation::ANIMATION_SLOWDOWN.store(config.debug.animation_slowdown, Ordering::Relaxed);
let spawn_at_startup = mem::take(&mut config.spawn_at_startup);
let mut event_loop = EventLoop::try_new().unwrap();
let display = Display::new().unwrap();
let mut state = State::new(
config,
event_loop.handle(),
event_loop.get_signal(),
display,
);
// Set up config file watcher.
let _watcher = if let Some(path) = path {
let (tx, rx) = calloop::channel::sync_channel(1);
let watcher = Watcher::new(path.clone(), tx);
event_loop
.handle()
.insert_source(rx, move |event, _, state| match event {
calloop::channel::Event::Msg(()) => state.reload_config(path.clone()),
calloop::channel::Event::Closed => (),
})
.unwrap();
Some(watcher)
} else {
None
};
// Spawn commands from cli and auto-start.
if let Some((command, args)) = cli.command.split_first() {
spawn(command, args);
}
for elem in spawn_at_startup {
if let Some((command, args)) = elem.command.split_first() {
spawn(command, args);
}
}
event_loop
.run(None, &mut state, move |state| {
let _span = tracy_client::span!("loop callback");
// These should be called periodically, before flushing the clients.
state.niri.layout.refresh();
state.niri.refresh_pointer_outputs();
state.niri.popups.cleanup();
state.update_focus();
{
let _span = tracy_client::span!("flush_clients");
state.niri.display_handle.flush_clients().unwrap();
}
})
.unwrap();
}
|
