wayland: add a generic wayland client

src/wl_usr/usr_ifs/usr_wl_surface.rs

@@ -0,0 +1,67 @@
+use {
+    crate::{
+        utils::buffd::{MsgParser, MsgParserError},
+        wire::{wl_surface::*, WlSurfaceId},
+        wl_usr::{
+            usr_ifs::{usr_wl_buffer::UsrWlBuffer, usr_wl_callback::UsrWlCallback},
+            usr_object::UsrObject,
+            UsrCon,
+        },
+    },
+    std::rc::Rc,
+};
+
+pub struct UsrWlSurface {
+    pub id: WlSurfaceId,
+    pub con: Rc<UsrCon>,
+}
+
+impl UsrWlSurface {
+    pub fn attach(&self, buffer: &UsrWlBuffer) {
+        self.con.request(Attach {
+            self_id: self.id,
+            buffer: buffer.id,
+            x: 0,
+            y: 0,
+        });
+    }
+
+    pub fn frame<F>(&self, f: F)
+    where
+        F: FnOnce() + 'static,
+    {
+        let cb = Rc::new(UsrWlCallback::new(&self.con, f));
+        self.con.request(Frame {
+            self_id: self.id,
+            callback: cb.id,
+        });
+        self.con.add_object(cb);
+    }
+
+    pub fn commit(&self) {
+        self.con.request(Commit { self_id: self.id });
+    }
+
+    fn enter(&self, parser: MsgParser<'_, '_>) -> Result<(), MsgParserError> {
+        let _ev: Enter = self.con.parse(self, parser)?;
+        Ok(())
+    }
+
+    fn leave(&self, parser: MsgParser<'_, '_>) -> Result<(), MsgParserError> {
+        let _ev: Leave = self.con.parse(self, parser)?;
+        Ok(())
+    }
+}
+
+usr_object_base! {
+    UsrWlSurface, WlSurface;
+
+    ENTER => enter,
+    LEAVE => leave,
+}
+
+impl UsrObject for UsrWlSurface {
+    fn destroy(&self) {
+        self.con.request(Destroy { self_id: self.id });
+    }
+}