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|
use std::io::{self, Write};
use std::os::fd::AsRawFd;
use std::os::unix::net::UnixStream;
use std::path::PathBuf;
use serde::de::DeserializeOwned;
use wayrs_client::IoMode;
use super::*;
use crate::event_loop;
use crate::utils::read_to_vec;
pub struct HyprlandInfoProvider {
ipc: Ipc,
workspaces: Vec<IpcWorkspace>,
active_id: u32,
}
impl HyprlandInfoProvider {
pub fn new() -> Option<Self> {
let his = std::env::var("HYPRLAND_INSTANCE_SIGNATURE").ok()?;
let ipc = Ipc::new(&his)?;
Some(Self {
workspaces: ipc.query_sorted_workspaces().ok()?,
active_id: ipc.query_json::<IpcWorkspace>("j/activeworkspace").ok()?.id,
ipc,
})
}
}
impl WmInfoProvider for HyprlandInfoProvider {
fn register(&self, event_loop: &mut EventLoop) {
event_loop.register_with_fd(self.ipc.sock2.as_raw_fd(), |ctx| {
match hyprland_cb(ctx.conn, ctx.state) {
Ok(()) => Ok(event_loop::Action::Keep),
Err(e) => {
ctx.state.set_error(ctx.conn, e);
ctx.conn.flush(IoMode::Blocking)?;
Ok(event_loop::Action::Unregister)
}
}
});
}
fn get_tags(&self, output: &Output) -> Vec<Tag> {
self.workspaces
.iter()
.filter(|ws| ws.monitor == output.name)
.map(|ws| Tag {
id: ws.id,
name: ws.name.clone(),
is_focused: ws.id == self.active_id,
is_active: true,
is_urgent: false,
})
.collect()
}
fn click_on_tag(
&mut self,
_: &mut Connection<State>,
_: WlOutput,
_: WlSeat,
tag_id: u32,
btn: PointerBtn,
) {
if btn == PointerBtn::Left {
let _ = self.ipc.exec(&format!("/dispatch workspace {tag_id}"));
}
}
fn as_any(&mut self) -> &mut dyn Any {
self
}
}
fn hyprland_cb(conn: &mut Connection<State>, state: &mut State) -> io::Result<()> {
let hyprland = state.shared_state.get_hyprland().unwrap();
let mut updated = false;
loop {
match hyprland.ipc.next_event() {
Ok(event) => {
if let Some(active_ws) = event.strip_prefix("workspace>>") {
hyprland.active_id = active_ws
.parse()
.map_err(|e| io::Error::new(io::ErrorKind::InvalidData, e))?;
updated = true;
} else if event.contains("workspace>>") {
hyprland.workspaces = hyprland.ipc.query_sorted_workspaces()?;
updated = true;
}
}
Err(e) if e.kind() == io::ErrorKind::WouldBlock => break,
Err(e) => return Err(e),
}
}
if updated {
state.tags_updated(conn, None);
}
Ok(())
}
struct Ipc {
sock1_path: PathBuf,
sock2: UnixStream,
sock2_buf: Vec<u8>,
}
impl Ipc {
fn new(his: &str) -> Option<Self> {
let mut path = PathBuf::from("/tmp/hypr");
if !path.exists() {
let xdgrd = std::env::var("XDG_RUNTIME_DIR").ok()?;
path.push(xdgrd);
path.push("hypr");
}
path.push(his);
let sock1_path = path.join(".socket.sock");
let sock2_path = path.join(".socket2.sock");
let sock2 = UnixStream::connect(sock2_path).ok()?;
sock2.set_nonblocking(true).ok()?;
Some(Self {
sock1_path,
sock2,
sock2_buf: Vec::new(),
})
}
fn exec(&self, cmd: &str) -> io::Result<()> {
let mut sock = UnixStream::connect(&self.sock1_path)?;
sock.write_all(cmd.as_bytes())?;
sock.flush()?;
Ok(())
}
fn query_json<T: DeserializeOwned>(&self, cmd: &str) -> io::Result<T> {
let mut sock = UnixStream::connect(&self.sock1_path)?;
sock.write_all(cmd.as_bytes())?;
sock.flush()?;
serde_json::from_reader(&mut sock).map_err(Into::into)
}
fn query_sorted_workspaces(&self) -> io::Result<Vec<IpcWorkspace>> {
let mut workspaces = self.query_json::<Vec<IpcWorkspace>>("j/workspaces")?;
workspaces.sort_unstable_by_key(|x| x.id);
Ok(workspaces)
}
fn next_event(&mut self) -> io::Result<String> {
loop {
if let Some(i) = memchr::memchr(b'\n', &self.sock2_buf) {
let event = String::from_utf8_lossy(&self.sock2_buf[..i]).into_owned();
self.sock2_buf.drain(..=i);
return Ok(event);
}
if read_to_vec(&self.sock2, &mut self.sock2_buf)? == 0 {
return Err(io::Error::new(
io::ErrorKind::BrokenPipe,
"hyprland socked disconnected",
));
}
}
}
}
#[derive(Debug, serde::Deserialize)]
struct IpcWorkspace {
id: u32,
name: String,
monitor: String,
}
|
