autocommit 2022-02-06 16:33:54 CET

src/ifs/wl_subcompositor.rs

@@ -0,0 +1,124 @@
+
+use crate::client::{Client, ClientError};
+use crate::globals::{Global, GlobalName};
+use crate::ifs::wl_surface::wl_subsurface::{WlSubsurface, WlSubsurfaceError};
+use crate::object::Object;
+use crate::utils::buffd::MsgParser;
+use std::rc::Rc;
+use thiserror::Error;
+use crate::wire::wl_subcompositor::*;
+use crate::utils::buffd::MsgParserError;
+use crate::wire::WlSubcompositorId;
+
+#[allow(dead_code)]
+const BAD_SURFACE: u32 = 0;
+
+pub struct WlSubcompositorGlobal {
+    name: GlobalName,
+}
+
+pub struct WlSubcompositor {
+    id: WlSubcompositorId,
+    client: Rc<Client>,
+}
+
+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(),
+        });
+        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));
+        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);