112 lines
2.8 KiB
Rust
112 lines
2.8 KiB
Rust
use {
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crate::{
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client::{Client, ClientError},
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globals::{Global, GlobalName},
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ifs::xdg_toplevel_drag_v1::XdgToplevelDragV1,
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leaks::Tracker,
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object::{Object, Version},
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wire::{xdg_toplevel_drag_manager_v1::*, XdgToplevelDragManagerV1Id},
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},
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std::rc::Rc,
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thiserror::Error,
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};
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pub struct XdgToplevelDragManagerV1Global {
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pub name: GlobalName,
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}
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impl XdgToplevelDragManagerV1Global {
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pub fn new(name: GlobalName) -> Self {
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Self { name }
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}
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fn bind_(
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self: Rc<Self>,
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id: XdgToplevelDragManagerV1Id,
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client: &Rc<Client>,
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version: Version,
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) -> Result<(), XdgToplevelDragManagerV1Error> {
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let mgr = Rc::new(XdgToplevelDragManagerV1 {
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id,
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client: client.clone(),
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tracker: Default::default(),
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version,
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});
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track!(client, mgr);
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client.add_client_obj(&mgr)?;
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Ok(())
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}
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}
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global_base!(
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XdgToplevelDragManagerV1Global,
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XdgToplevelDragManagerV1,
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XdgToplevelDragManagerV1Error
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);
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simple_add_global!(XdgToplevelDragManagerV1Global);
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impl Global for XdgToplevelDragManagerV1Global {
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fn singleton(&self) -> bool {
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true
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}
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fn version(&self) -> u32 {
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1
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}
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}
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pub struct XdgToplevelDragManagerV1 {
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pub id: XdgToplevelDragManagerV1Id,
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pub client: Rc<Client>,
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pub tracker: Tracker<Self>,
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pub version: Version,
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}
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impl XdgToplevelDragManagerV1RequestHandler for XdgToplevelDragManagerV1 {
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type Error = XdgToplevelDragManagerV1Error;
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fn destroy(&self, _req: Destroy, _slf: &Rc<Self>) -> Result<(), Self::Error> {
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self.client.remove_obj(self)?;
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Ok(())
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}
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fn get_xdg_toplevel_drag(
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&self,
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req: GetXdgToplevelDrag,
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_slf: &Rc<Self>,
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) -> Result<(), Self::Error> {
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let source = self.client.lookup(req.data_source)?;
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if source.data.was_used() {
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return Err(XdgToplevelDragManagerV1Error::AlreadyUsed);
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}
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if source.toplevel_drag.get().is_some() {
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return Err(XdgToplevelDragManagerV1Error::HasDrag);
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}
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let drag = Rc::new(XdgToplevelDragV1::new(req.id, &source, self.version));
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track!(&self.client, drag);
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self.client.add_client_obj(&drag)?;
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source.toplevel_drag.set(Some(drag));
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Ok(())
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}
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}
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object_base! {
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self = XdgToplevelDragManagerV1;
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version = self.version;
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}
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impl Object for XdgToplevelDragManagerV1 {}
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simple_add_obj!(XdgToplevelDragManagerV1);
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#[derive(Debug, Error)]
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pub enum XdgToplevelDragManagerV1Error {
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#[error(transparent)]
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ClientError(Box<ClientError>),
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#[error("The data source has already been used")]
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AlreadyUsed,
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#[error("The source already has a drag object")]
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HasDrag,
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}
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efrom!(XdgToplevelDragManagerV1Error, ClientError);
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