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wry/src/ifs/wl_subcompositor.rs
2022-04-07 17:31:31 +02:00

130 lines
3.3 KiB
Rust

use {
crate::{
client::{Client, ClientError},
globals::{Global, GlobalName},
ifs::wl_surface::wl_subsurface::{WlSubsurface, WlSubsurfaceError},
leaks::Tracker,
object::Object,
utils::buffd::{MsgParser, MsgParserError},
wire::{wl_subcompositor::*, WlSubcompositorId},
},
std::rc::Rc,
thiserror::Error,
};
#[allow(dead_code)]
const BAD_SURFACE: u32 = 0;
pub struct WlSubcompositorGlobal {
name: GlobalName,
}
pub struct WlSubcompositor {
id: WlSubcompositorId,
client: Rc<Client>,
pub tracker: Tracker<Self>,
}
impl WlSubcompositorGlobal {
pub fn new(name: GlobalName) -> Self {
Self { name }
}
fn bind_(
self: Rc<Self>,
id: WlSubcompositorId,
client: &Rc<Client>,
_version: u32,
) -> Result<(), WlSubcompositorError> {
let obj = Rc::new(WlSubcompositor {
id,
client: client.clone(),
tracker: Default::default(),
});
track!(client, obj);
client.add_client_obj(&obj)?;
Ok(())
}
}
impl WlSubcompositor {
fn destroy(&self, parser: MsgParser<'_, '_>) -> Result<(), DestroyError> {
let _req: Destroy = self.client.parse(self, parser)?;
self.client.remove_obj(self)?;
Ok(())
}
fn get_subsurface(&self, parser: MsgParser<'_, '_>) -> Result<(), GetSubsurfaceError> {
let req: GetSubsurface = self.client.parse(self, parser)?;
let surface = self.client.lookup(req.surface)?;
let parent = self.client.lookup(req.parent)?;
let subsurface = Rc::new(WlSubsurface::new(req.id, &surface, &parent));
track!(self.client, subsurface);
self.client.add_client_obj(&subsurface)?;
subsurface.install()?;
Ok(())
}
}
global_base!(WlSubcompositorGlobal, WlSubcompositor, WlSubcompositorError);
impl Global for WlSubcompositorGlobal {
fn singleton(&self) -> bool {
true
}
fn version(&self) -> u32 {
1
}
}
simple_add_global!(WlSubcompositorGlobal);
object_base! {
WlSubcompositor, WlSubcompositorError;
DESTROY => destroy,
GET_SUBSURFACE => get_subsurface,
}
impl Object for WlSubcompositor {
fn num_requests(&self) -> u32 {
GET_SUBSURFACE + 1
}
}
simple_add_obj!(WlSubcompositor);
#[derive(Debug, Error)]
pub enum WlSubcompositorError {
#[error(transparent)]
ClientError(Box<ClientError>),
#[error("Could not process `destroy` request")]
DestroyError(#[from] DestroyError),
#[error("Could not process `get_subsurface` request")]
GetSubsurfaceError(#[from] GetSubsurfaceError),
}
efrom!(WlSubcompositorError, ClientError);
#[derive(Debug, Error)]
pub enum DestroyError {
#[error("Parsing failed")]
ParseFailed(#[source] Box<MsgParserError>),
#[error(transparent)]
ClientError(Box<ClientError>),
}
efrom!(DestroyError, ParseFailed, MsgParserError);
efrom!(DestroyError, ClientError);
#[derive(Debug, Error)]
pub enum GetSubsurfaceError {
#[error("Parsing failed")]
ParseFailed(#[source] Box<MsgParserError>),
#[error(transparent)]
ClientError(Box<ClientError>),
#[error(transparent)]
SubsurfaceError(Box<WlSubsurfaceError>),
}
efrom!(GetSubsurfaceError, ParseFailed, MsgParserError);
efrom!(GetSubsurfaceError, ClientError);
efrom!(GetSubsurfaceError, SubsurfaceError, WlSubsurfaceError);