88 lines
2.7 KiB
Rust
88 lines
2.7 KiB
Rust
// SPDX-License-Identifier: GPL-3.0-only
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use smithay::reexports::{
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calloop::{generic::Generic, EventLoop, Interest, Mode, PostAction},
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wayland_server::Display,
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};
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use anyhow::{Context, Result};
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use std::sync::atomic::Ordering;
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pub mod backend;
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pub mod input;
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pub mod shell;
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pub mod state;
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mod logger;
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pub mod utils;
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#[cfg(feature = "debug")]
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pub mod debug;
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fn main() -> Result<()> {
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// setup logger
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let log = logger::init_logger()?;
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slog_scope::info!("Cosmic starting up!");
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// init event loop
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let mut event_loop = EventLoop::try_new().with_context(|| "Failed to initialize event loop")?;
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// init wayland
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let display = init_wayland_display(&mut event_loop)?;
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// init state
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let mut state = state::State::new(display, event_loop.handle(), log);
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// init backend
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backend::init_backend_auto(&mut event_loop, &mut state)?;
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// run the event loop
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let signal = event_loop.get_signal();
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event_loop.run(None, &mut state, |state| {
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// shall we shut down?
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if state.common.spaces.outputs().next().is_none() || state.common.should_stop {
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slog_scope::info!("Shutting down");
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signal.stop();
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signal.wakeup();
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return;
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}
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// do we need to trigger another render
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if state.common.dirty_flag.swap(false, Ordering::SeqCst) {
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for output in state.common.spaces.outputs() {
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state.backend.schedule_render(output)
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}
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}
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// send out events
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let display = state.common.display.clone();
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display.borrow_mut().flush_clients(state);
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// trigger routines
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state.common.spaces.refresh();
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})?;
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Ok(())
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}
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fn init_wayland_display(event_loop: &mut EventLoop<state::State>) -> Result<Display> {
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let mut display = Display::new();
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let socket_name = display.add_socket_auto()?;
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slog_scope::info!("Listening on {:?}", socket_name);
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event_loop
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.handle()
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.insert_source(
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Generic::from_fd(display.get_poll_fd(), Interest::READ, Mode::Level),
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move |_, _, state: &mut state::State| {
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let display = state.common.display.clone();
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let mut display = display.borrow_mut();
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match display.dispatch(std::time::Duration::from_millis(0), state) {
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Ok(_) => Ok(PostAction::Continue),
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Err(e) => {
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slog_scope::error!("I/O error on the Wayland display: {}", e);
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state.common.should_stop = true;
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Err(e)
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}
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}
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},
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)
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.with_context(|| "Failed to init the wayland event source.")?;
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Ok(display)
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}
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