autocommit 2022-01-02 16:30:30 CET

src/object.rs

@@ -0,0 +1,76 @@
+use crate::client::ClientError;
+use crate::ifs::wl_display::WlDisplay;
+use crate::utils::buffd::WlParser;
+use std::fmt::{Display, Formatter};
+use std::future::Future;
+use std::pin::Pin;
+use std::rc::Rc;
+
+pub const WL_DISPLAY_ID: ObjectId = ObjectId(1);
+
+#[derive(Debug, Copy, Clone, Hash, Ord, PartialOrd, Eq, PartialEq)]
+pub struct ObjectId(u32);
+
+impl ObjectId {
+    pub fn from_raw(raw: u32) -> Self {
+        Self(raw)
+    }
+
+    pub fn raw(self) -> u32 {
+        self.0
+    }
+}
+
+impl Display for ObjectId {
+    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+        Display::fmt(&self.0, f)
+    }
+}
+
+pub trait ObjectHandleRequest {
+    fn handle_request<'a>(
+        &'a self,
+        request: u32,
+        parser: WlParser<'a, 'a>,
+    ) -> Pin<Box<dyn Future<Output = Result<(), ClientError>> + 'a>>;
+}
+
+pub trait Object: ObjectHandleRequest + 'static {
+    fn id(&self) -> ObjectId;
+    fn interface(&self) -> Interface;
+    fn num_requests(&self) -> u32;
+    fn into_display(self: Rc<Self>) -> Result<Rc<WlDisplay>, ClientError> {
+        Err(ClientError::NotADisplay(self.id()))
+    }
+}
+
+#[derive(Copy, Clone, Debug, Eq, PartialEq)]
+pub enum Interface {
+    WlDisplay,
+    WlCallback,
+    WlCompositor,
+    WlRegistry,
+    WlShm,
+    WlShmPool,
+    WlSubcompositor,
+    XdgWmBase,
+    WlSurface,
+    WlRegion,
+}
+
+impl Interface {
+    pub fn name(self) -> &'static str {
+        match self {
+            Interface::WlDisplay => "wl_display",
+            Interface::WlCallback => "wl_callback",
+            Interface::WlCompositor => "wl_compositor",
+            Interface::WlRegistry => "wl_registry",
+            Interface::WlShm => "wl_shm",
+            Interface::WlSubcompositor => "wl_subcompositor",
+            Interface::XdgWmBase => "xdg_wm_base",
+            Interface::WlSurface => "wl_surface",
+            Interface::WlShmPool => "wl_shm_pool",
+            Interface::WlRegion => "wl_region",
+        }
+    }
+}