refactor(wayland): update to 0.30.0
This is pretty much a rewrite of the Wayland client code for `wayland-client` and `wayland-protocols` v0.30.0, and `smithay-client-toolkit` v0.17.0
This commit is contained in:
Jake Stanger
@@ -1,163 +1,86 @@
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use super::handle::{Toplevel, ToplevelEvent};
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use crate::wayland::LazyGlobal;
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use smithay_client_toolkit::environment::{Environment, GlobalHandler};
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use std::cell::RefCell;
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use std::rc::{self, Rc};
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use tracing::warn;
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use wayland_client::protocol::wl_registry::WlRegistry;
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use wayland_client::{Attached, DispatchData};
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use wayland_protocols::wlr::unstable::foreign_toplevel::v1::client::{
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use super::handle::{ToplevelHandleData, ToplevelHandleDataExt, ToplevelHandleHandler};
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use smithay_client_toolkit::error::GlobalError;
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use smithay_client_toolkit::globals::{GlobalData, ProvidesBoundGlobal};
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use std::marker::PhantomData;
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use tracing::{debug, warn};
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use wayland_client::globals::{BindError, GlobalList};
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use wayland_client::{event_created_child, Connection, Dispatch, QueueHandle};
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use wayland_protocols_wlr::foreign_toplevel::v1::client::{
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zwlr_foreign_toplevel_handle_v1::ZwlrForeignToplevelHandleV1,
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zwlr_foreign_toplevel_manager_v1::{self, ZwlrForeignToplevelManagerV1},
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zwlr_foreign_toplevel_manager_v1::{Event, ZwlrForeignToplevelManagerV1},
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};
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struct ToplevelHandlerInner {
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manager: LazyGlobal<ZwlrForeignToplevelManagerV1>,
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registry: Option<Attached<WlRegistry>>,
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toplevels: Vec<Toplevel>,
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pub struct ToplevelManagerState<V = ToplevelHandleData> {
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manager: ZwlrForeignToplevelManagerV1,
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_phantom: PhantomData<V>,
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}
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impl ToplevelHandlerInner {
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const fn new() -> Self {
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let toplevels = vec![];
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Self {
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registry: None,
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manager: LazyGlobal::Unknown,
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toplevels,
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}
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}
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}
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pub struct ToplevelHandler {
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inner: Rc<RefCell<ToplevelHandlerInner>>,
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status_listeners: Rc<RefCell<Vec<rc::Weak<RefCell<ToplevelStatusCallback>>>>>,
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}
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impl ToplevelHandler {
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pub fn init() -> Self {
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let inner = Rc::new(RefCell::new(ToplevelHandlerInner::new()));
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Self {
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inner,
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status_listeners: Rc::new(RefCell::new(Vec::new())),
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}
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}
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}
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impl GlobalHandler<ZwlrForeignToplevelManagerV1> for ToplevelHandler {
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fn created(
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&mut self,
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registry: Attached<WlRegistry>,
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id: u32,
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version: u32,
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_ddata: DispatchData,
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) {
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let mut inner = RefCell::borrow_mut(&self.inner);
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if inner.registry.is_none() {
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inner.registry = Some(registry);
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}
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if matches!(inner.manager, LazyGlobal::Unknown) {
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inner.manager = LazyGlobal::Seen { id, version }
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} else {
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warn!(
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"Compositor advertised zwlr_foreign_toplevel_manager_v1 multiple times, ignoring."
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);
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}
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}
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fn get(&self) -> Option<Attached<ZwlrForeignToplevelManagerV1>> {
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let mut inner = RefCell::borrow_mut(&self.inner);
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match inner.manager {
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LazyGlobal::Bound(ref mgr) => Some(mgr.clone()),
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LazyGlobal::Unknown => None,
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LazyGlobal::Seen { id, version } => {
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let registry = inner.registry.as_ref().expect("Failed to get registry");
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// current max protocol version = 3
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let version = std::cmp::min(version, 3);
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let manager = registry.bind::<ZwlrForeignToplevelManagerV1>(version, id);
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{
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let inner = self.inner.clone();
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let status_listeners = self.status_listeners.clone();
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manager.quick_assign(move |_, event, _ddata| {
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let mut inner = RefCell::borrow_mut(&inner);
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let status_listeners = status_listeners.clone();
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match event {
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zwlr_foreign_toplevel_manager_v1::Event::Toplevel {
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toplevel: handle,
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} => {
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let toplevel =
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Toplevel::init(&handle.clone(), move |event, ddata| {
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notify_status_listeners(
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&handle,
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&event,
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ddata,
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&status_listeners,
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);
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});
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inner.toplevels.push(toplevel);
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}
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zwlr_foreign_toplevel_manager_v1::Event::Finished => {}
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_ => unreachable!(),
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}
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});
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}
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inner.manager = LazyGlobal::Bound((*manager).clone());
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Some((*manager).clone())
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}
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}
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}
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}
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type ToplevelStatusCallback =
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dyn FnMut(ZwlrForeignToplevelHandleV1, ToplevelEvent, DispatchData) + 'static;
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/// Notifies the callbacks of an event on the toplevel
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fn notify_status_listeners(
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toplevel: &ZwlrForeignToplevelHandleV1,
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event: &ToplevelEvent,
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mut ddata: DispatchData,
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listeners: &RefCell<Vec<rc::Weak<RefCell<ToplevelStatusCallback>>>>,
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) {
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listeners.borrow_mut().retain(|lst| {
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rc::Weak::upgrade(lst).map_or(false, |cb| {
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(cb.borrow_mut())(toplevel.clone(), event.clone(), ddata.reborrow());
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true
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})
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});
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}
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pub struct ToplevelStatusListener {
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_cb: Rc<RefCell<ToplevelStatusCallback>>,
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}
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pub trait ToplevelHandling {
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fn listen<F>(&mut self, f: F) -> ToplevelStatusListener
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impl ToplevelManagerState {
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pub fn bind<State>(globals: &GlobalList, qh: &QueueHandle<State>) -> Result<Self, BindError>
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where
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F: FnMut(ZwlrForeignToplevelHandleV1, ToplevelEvent, DispatchData) + 'static;
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}
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impl ToplevelHandling for ToplevelHandler {
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fn listen<F>(&mut self, f: F) -> ToplevelStatusListener
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where
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F: FnMut(ZwlrForeignToplevelHandleV1, ToplevelEvent, DispatchData) + 'static,
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State: Dispatch<ZwlrForeignToplevelManagerV1, GlobalData, State> + 'static,
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{
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let rc = Rc::new(RefCell::new(f)) as Rc<_>;
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self.status_listeners.borrow_mut().push(Rc::downgrade(&rc));
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ToplevelStatusListener { _cb: rc }
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let manager = globals.bind(qh, 1..=3, GlobalData)?;
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debug!("Bound to ZwlForeignToplevelManagerV1 global");
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Ok(Self {
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manager,
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_phantom: PhantomData,
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})
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}
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}
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pub fn listen_for_toplevels<E, F>(env: &Environment<E>, f: F) -> ToplevelStatusListener
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where
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E: ToplevelHandling,
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F: FnMut(ZwlrForeignToplevelHandleV1, ToplevelEvent, DispatchData) + 'static,
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{
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env.with_inner(move |inner| ToplevelHandling::listen(inner, f))
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pub trait ToplevelManagerHandler: Sized {
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/// Advertises a new toplevel.
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fn toplevel(
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&mut self,
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conn: &Connection,
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qh: &QueueHandle<Self>,
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manager: ToplevelManagerState,
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);
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}
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impl ProvidesBoundGlobal<ZwlrForeignToplevelManagerV1, 3> for ToplevelManagerState {
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fn bound_global(&self) -> Result<ZwlrForeignToplevelManagerV1, GlobalError> {
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Ok(self.manager.clone())
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}
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}
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impl<D, V> Dispatch<ZwlrForeignToplevelManagerV1, GlobalData, D> for ToplevelManagerState<V>
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where
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D: Dispatch<ZwlrForeignToplevelManagerV1, GlobalData>
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+ Dispatch<ZwlrForeignToplevelHandleV1, V>
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+ ToplevelManagerHandler
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+ ToplevelHandleHandler
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+ 'static,
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V: ToplevelHandleDataExt + Default + 'static + Send + Sync,
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{
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event_created_child!(D, ZwlrForeignToplevelManagerV1, [
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0 => (ZwlrForeignToplevelHandleV1, V::default())
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]);
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fn event(
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state: &mut D,
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toplevel_manager: &ZwlrForeignToplevelManagerV1,
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event: Event,
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_data: &GlobalData,
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conn: &Connection,
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qhandle: &QueueHandle<D>,
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) {
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match event {
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Event::Toplevel { toplevel: _ } => {
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state.toplevel(
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conn,
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qhandle,
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ToplevelManagerState {
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manager: toplevel_manager.clone(),
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_phantom: PhantomData,
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},
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);
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}
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Event::Finished => {
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warn!("Foreign toplevel manager is no longer valid, but has not been dropped by client. This could cause window tracking issues.");
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}
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_ => {}
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}
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}
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}
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