cosmic-applets/applets/cosmic-applet-workspaces/src/wayland.rs

300 lines
9.8 KiB
Rust

use crate::{utils::{Activate}, wayland::generated::client::zext_workspace_manager_v1::ZextWorkspaceManagerV1};
use std::{env, os::unix::net::UnixStream, path::PathBuf, sync::Arc};
use gtk4::glib;
use tokio::sync::mpsc;
use wayland_backend::client::ObjectData;
use wayland_client::{
protocol::{wl_output::{WlOutput, self}, wl_registry},
ConnectError, Proxy, event_created_child,
};
use wayland_client::{Connection, Dispatch, QueueHandle};
/// Generated protocol definitions
mod generated {
#![allow(dead_code, non_camel_case_types, unused_unsafe, unused_variables)]
#![allow(non_upper_case_globals, non_snake_case, unused_imports)]
#![allow(missing_docs, clippy::all)]
pub mod client {
//! Client-side API of this protocol
use wayland_client;
use wayland_client::protocol::*;
pub mod __interfaces {
use wayland_client::protocol::__interfaces::*;
wayland_scanner::generate_interfaces!("src/ext-workspace-unstable-v1.xml");
}
use self::__interfaces::*;
wayland_scanner::generate_client_code!("src/ext-workspace-unstable-v1.xml");
}
}
use generated::client::zext_workspace_manager_v1;
use self::generated::client::{
zext_workspace_group_handle_v1::{self, ZextWorkspaceGroupHandleV1},
zext_workspace_handle_v1::{self, ZextWorkspaceHandleV1},
};
pub fn spawn_workspaces(tx: glib::Sender<State>) -> mpsc::Sender<Activate> {
let (workspaces_tx, mut workspaces_rx) = mpsc::channel(100);
if let Ok(Ok(conn)) = std::env::var("HOST_WAYLAND_DISPLAY")
.map_err(anyhow::Error::msg)
.map(|display_str| {
let mut socket_path = env::var_os("XDG_RUNTIME_DIR")
.map(Into::<PathBuf>::into)
.ok_or(ConnectError::NoCompositor)?;
socket_path.push(display_str);
Ok(UnixStream::connect(socket_path).map_err(|_| ConnectError::NoCompositor)?)
})
.and_then(|s| s.map(|s| Connection::from_socket(s).map_err(anyhow::Error::msg)))
{
std::thread::spawn(move || {
let mut event_queue = conn.new_event_queue::<State>();
let qhandle = event_queue.handle();
let display = conn.display();
display.get_registry(&qhandle, ()).unwrap();
let mut state = State {
workspace_manager: None,
workspace_groups: Vec::new(),
tx,
running: true,
};
while state.running {
event_queue.blocking_dispatch(&mut state).unwrap();
}
});
} else {
eprintln!("ENV variable HOST_WAYLAND_DISPLAY is missing. Exiting...");
std::process::exit(1);
}
workspaces_tx
}
#[derive(Debug, Clone)]
pub struct State {
running: bool,
tx: glib::Sender<State>,
workspace_manager: Option<zext_workspace_manager_v1::ZextWorkspaceManagerV1>,
workspace_groups: Vec<WorkspaceGroup>,
}
impl State {
pub fn workspace_list(&self) -> impl Iterator<Item=(String, bool)> + '_ {
self.workspace_groups.iter().map(|g| g.workspaces.iter().map(|w| (w.name.clone(), false))).flatten()
}
}
#[derive(Debug, Clone)]
struct WorkspaceGroup {
workspace_group_handle: ZextWorkspaceGroupHandleV1,
output: Option<WlOutput>,
workspaces: Vec<Workspace>,
}
#[derive(Debug, Clone)]
struct Workspace {
workspace_handle: ZextWorkspaceHandleV1,
name: String,
coordinates: Vec<u8>,
state: Vec<u8>,
}
impl Dispatch<wl_registry::WlRegistry, ()> for State {
fn event(
&mut self,
registry: &wl_registry::WlRegistry,
event: wl_registry::Event,
_: &(),
_: &Connection,
qh: &QueueHandle<Self>,
) {
if let wl_registry::Event::Global {
name,
interface,
version,
} = event
{
println!("[{}] {} (v{})", name, interface, version);
match &interface[..] {
"zext_workspace_manager_v1" => {
println!("binding to workspace manager");
let workspace_manager = registry
.bind::<zext_workspace_manager_v1::ZextWorkspaceManagerV1, _, _>(
name,
1,
qh,
(),
)
.unwrap();
self.workspace_manager = Some(workspace_manager);
}
"wl_output" => {
println!("binding to output");
registry.bind::<WlOutput, _, _>(name, 1, qh, ()).unwrap();
}
_ => {}
}
}
}
}
impl Dispatch<zext_workspace_manager_v1::ZextWorkspaceManagerV1, ()> for State {
fn event(
&mut self,
_: &zext_workspace_manager_v1::ZextWorkspaceManagerV1,
event: zext_workspace_manager_v1::Event,
_: &(),
_: &Connection,
_: &QueueHandle<Self>,
) {
match event {
zext_workspace_manager_v1::Event::WorkspaceGroup { workspace_group } => {
self.workspace_groups.push(WorkspaceGroup {
workspace_group_handle: workspace_group,
output: None,
workspaces: Vec::new(),
});
}
zext_workspace_manager_v1::Event::Done => {
// TODO
println!("sending event with workspace list state");
let _ = self.tx.send(self.clone());
}
zext_workspace_manager_v1::Event::Finished => {
self.workspace_manager.take();
}
}
// wl_compositor has no event
}
event_created_child!(State, ZextWorkspaceManagerV1, [
0 => (ZextWorkspaceGroupHandleV1, ())
]);
}
impl Dispatch<ZextWorkspaceGroupHandleV1, ()> for State {
fn event(
&mut self,
group: &ZextWorkspaceGroupHandleV1,
event: zext_workspace_group_handle_v1::Event,
_: &(),
_: &Connection,
_: &QueueHandle<Self>,
) {
match event {
zext_workspace_group_handle_v1::Event::OutputEnter { output } => {
if let Some(group) = self
.workspace_groups
.iter_mut()
.find(|g| &g.workspace_group_handle == group)
{
group.output = Some(output);
}
}
zext_workspace_group_handle_v1::Event::OutputLeave { output } => {
if let Some(group) = self.workspace_groups.iter_mut().find(|g| {
&g.workspace_group_handle == group && g.output.as_ref() == Some(&output)
}) {
group.output = None;
}
}
zext_workspace_group_handle_v1::Event::Workspace { workspace } => {
if let Some(group) = self
.workspace_groups
.iter_mut()
.find(|g| &g.workspace_group_handle == group)
{
group.workspaces.push(Workspace {
workspace_handle: workspace,
name: String::new(),
coordinates: Vec::new(),
state: Vec::new(),
})
}
}
zext_workspace_group_handle_v1::Event::Remove => {
if let Some(group) = self
.workspace_groups
.iter()
.position(|g| &g.workspace_group_handle == group)
{
self.workspace_groups.remove(group);
}
}
}
}
event_created_child!(State, ZextWorkspaceGroupHandleV1, [
2 => (ZextWorkspaceHandleV1, ())
]);
}
impl Dispatch<ZextWorkspaceHandleV1, ()> for State {
fn event(
&mut self,
workspace: &ZextWorkspaceHandleV1,
event: zext_workspace_handle_v1::Event,
_: &(),
_: &Connection,
_: &QueueHandle<Self>,
) {
match event {
zext_workspace_handle_v1::Event::Name { name } => {
if let Some(w) = self.workspace_groups.iter_mut().find_map(|g| {
g.workspaces
.iter_mut()
.find(|w| &w.workspace_handle == workspace)
}) {
w.name = name;
}
}
zext_workspace_handle_v1::Event::Coordinates { coordinates } => {
if let Some(w) = self.workspace_groups.iter_mut().find_map(|g| {
g.workspaces
.iter_mut()
.find(|w| &w.workspace_handle == workspace)
}) {
w.coordinates = coordinates;
}
}
zext_workspace_handle_v1::Event::State { state } => {
if let Some(w) = self.workspace_groups.iter_mut().find_map(|g| {
g.workspaces
.iter_mut()
.find(|w| &w.workspace_handle == workspace)
}) {
w.state = state;
}
}
zext_workspace_handle_v1::Event::Remove => {
if let Some((g, w_i)) = self.workspace_groups.iter_mut().find_map(|g| {
g.workspaces
.iter_mut()
.position(|w| &w.workspace_handle == workspace)
.map(|p| (g, p))
}) {
g.workspaces.remove(w_i);
}
}
}
}
}
impl Dispatch<WlOutput, ()> for State {
fn event(
&mut self,
_: &WlOutput,
_: wl_output::Event,
_: &(),
_: &Connection,
_: &QueueHandle<Self>,
) {}
}