autocommit 2022-01-02 15:13:33 CET

src/ifs/wl_compositor/mod.rs

@@ -0,0 +1,111 @@
+mod types;
+
+use crate::globals::{Global, GlobalName};
+use crate::ifs::wl_surface::WlSurface;
+use crate::objects::{Interface, Object, ObjectId};
+use crate::utils::buffd::WlParser;
+use crate::wl_client::WlClientData;
+use std::rc::Rc;
+pub use types::*;
+use crate::ifs::wl_region::WlRegion;
+
+const CREATE_SURFACE: u32 = 0;
+const CREATE_REGION: u32 = 1;
+
+pub struct WlCompositorGlobal {
+    name: GlobalName,
+}
+
+pub struct WlCompositorObj {
+    global: Rc<WlCompositorGlobal>,
+    id: ObjectId,
+    client: Rc<WlClientData>,
+    version: u32,
+}
+
+impl WlCompositorGlobal {
+    pub fn new(name: GlobalName) -> Self {
+        Self { name }
+    }
+
+    async fn bind_(
+        self: Rc<Self>,
+        id: ObjectId,
+        client: &Rc<WlClientData>,
+        version: u32,
+    ) -> Result<(), WlCompositorError> {
+        let obj = Rc::new(WlCompositorObj {
+            global: self,
+            id,
+            client: client.clone(),
+            version,
+        });
+        client.attach_client_object(obj)?;
+        Ok(())
+    }
+}
+
+impl WlCompositorObj {
+    async fn create_surface(&self, parser: WlParser<'_, '_>) -> Result<(), CreateSurfaceError> {
+        let surface: CreateSurface = self.client.parse(self, parser)?;
+        let surface = Rc::new(WlSurface::new(surface.id, &self.client));
+        self.client.attach_client_object(surface)?;
+        Ok(())
+    }
+
+    async fn create_region(&self, parser: WlParser<'_, '_>) -> Result<(), CreateRegionError> {
+        let region: CreateRegion = self.client.parse(self, parser)?;
+        let region = Rc::new(WlRegion::new(region.id, &self.client));
+        self.client.attach_client_object(region)?;
+        Ok(())
+    }
+
+    async fn handle_request_(
+        &self,
+        request: u32,
+        parser: WlParser<'_, '_>,
+    ) -> Result<(), WlCompositorError> {
+        match request {
+            CREATE_SURFACE => self.create_surface(parser).await?,
+            CREATE_REGION => self.create_region(parser).await?,
+            _ => unreachable!(),
+        }
+        Ok(())
+    }
+}
+
+bind!(WlCompositorGlobal);
+
+impl Global for WlCompositorGlobal {
+    fn name(&self) -> GlobalName {
+        self.name
+    }
+
+    fn interface(&self) -> Interface {
+        Interface::WlCompositor
+    }
+
+    fn version(&self) -> u32 {
+        4
+    }
+
+    fn pre_remove(&self) {
+        unreachable!()
+    }
+}
+
+handle_request!(WlCompositorObj);
+
+impl Object for WlCompositorObj {
+    fn id(&self) -> ObjectId {
+        self.id
+    }
+
+    fn interface(&self) -> Interface {
+        Interface::WlCompositor
+    }
+
+    fn num_requests(&self) -> u32 {
+        CREATE_REGION + 1
+    }
+}

src/ifs/wl_compositor/types.rs

@@ -0,0 +1,76 @@
+use crate::objects::{ObjectError, ObjectId};
+use crate::utils::buffd::{WlParser, WlParserError};
+use crate::wl_client::{RequestParser, WlClientError};
+use std::fmt::{Debug, Formatter};
+use thiserror::Error;
+
+#[derive(Debug, Error)]
+pub enum WlCompositorError {
+    #[error(transparent)]
+    ObjectError(Box<ObjectError>),
+    #[error(transparent)]
+    ClientError(Box<WlClientError>),
+    #[error("Could not process `create_surface` request")]
+    CreateSurfaceError(#[source] Box<CreateSurfaceError>),
+    #[error("Could not process `create_region` request")]
+    CreateRegionError(#[source] Box<CreateRegionError>),
+}
+
+efrom!(WlCompositorError, ObjectError, ObjectError);
+efrom!(WlCompositorError, ClientError, WlClientError);
+efrom!(WlCompositorError, CreateSurfaceError, CreateSurfaceError);
+efrom!(WlCompositorError, CreateRegionError, CreateRegionError);
+
+#[derive(Debug, Error)]
+pub enum CreateSurfaceError {
+    #[error("Parsing failed")]
+    ParseFailed(#[source] Box<WlParserError>),
+    #[error(transparent)]
+    ClientError(Box<WlClientError>),
+}
+
+efrom!(CreateSurfaceError, ParseFailed, WlParserError);
+efrom!(CreateSurfaceError, ClientError, WlClientError);
+
+#[derive(Debug, Error)]
+pub enum CreateRegionError {
+    #[error("Parsing failed")]
+    ParseFailed(#[source] Box<WlParserError>),
+    #[error(transparent)]
+    ClientError(Box<WlClientError>),
+}
+
+efrom!(CreateRegionError, ParseFailed, WlParserError);
+efrom!(CreateRegionError, ClientError, WlClientError);
+
+pub(super) struct CreateSurface {
+    pub id: ObjectId,
+}
+impl RequestParser<'_> for CreateSurface {
+    fn parse(parser: &mut WlParser<'_, '_>) -> Result<Self, WlParserError> {
+        Ok(Self {
+            id: parser.object()?,
+        })
+    }
+}
+impl Debug for CreateSurface {
+    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+        write!(f, "create_surface(id: {})", self.id)
+    }
+}
+
+pub(super) struct CreateRegion {
+    pub id: ObjectId,
+}
+impl RequestParser<'_> for CreateRegion {
+    fn parse(parser: &mut WlParser<'_, '_>) -> Result<Self, WlParserError> {
+        Ok(Self {
+            id: parser.object()?,
+        })
+    }
+}
+impl Debug for CreateRegion {
+    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+        write!(f, "create_region(id: {})", self.id)
+    }
+}