64 lines
1.6 KiB
Rust
64 lines
1.6 KiB
Rust
use {
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crate::{
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object::Version,
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utils::clonecell::CloneCell,
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wire::{jay_select_toplevel::*, JaySelectToplevelId},
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wl_usr::{usr_ifs::usr_jay_toplevel::UsrJayToplevel, usr_object::UsrObject, UsrCon},
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},
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std::{convert::Infallible, rc::Rc},
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};
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pub struct UsrJaySelectToplevel {
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pub id: JaySelectToplevelId,
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pub con: Rc<UsrCon>,
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pub owner: CloneCell<Option<Rc<dyn UsrJaySelectToplevelOwner>>>,
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pub version: Version,
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}
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pub trait UsrJaySelectToplevelOwner {
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fn done(&self, toplevel: Option<Rc<UsrJayToplevel>>);
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}
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impl JaySelectToplevelEventHandler for UsrJaySelectToplevel {
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type Error = Infallible;
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fn done(&self, ev: Done, _slf: &Rc<Self>) -> Result<(), Self::Error> {
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let tl = if ev.id.is_none() {
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None
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} else {
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let tl = Rc::new(UsrJayToplevel {
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id: ev.id,
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con: self.con.clone(),
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owner: Default::default(),
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version: self.version,
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});
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self.con.add_object(tl.clone());
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Some(tl)
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};
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match self.owner.get() {
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Some(owner) => owner.done(tl),
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_ => {
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if let Some(tl) = tl {
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self.con.remove_obj(&*tl);
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}
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}
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}
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self.con.remove_obj(self);
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Ok(())
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}
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}
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usr_object_base! {
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self = UsrJaySelectToplevel = JaySelectToplevel;
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version = self.version;
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}
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impl UsrObject for UsrJaySelectToplevel {
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fn destroy(&self) {
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// nothing
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}
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fn break_loops(&self) {
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self.owner.take();
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}
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}
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