wayland: add a generic wayland client

src/wl_usr/usr_ifs/usr_jay_pointer.rs

@@ -0,0 +1,32 @@
+use {
+    crate::{
+        cursor::KnownCursor,
+        wire::{jay_pointer::*, JayPointerId},
+        wl_usr::{usr_object::UsrObject, UsrCon},
+    },
+    std::rc::Rc,
+};
+
+pub struct UsrJayPointer {
+    pub id: JayPointerId,
+    pub con: Rc<UsrCon>,
+}
+
+impl UsrJayPointer {
+    pub fn set_known_cursor(&self, cursor: KnownCursor) {
+        self.con.request(SetKnownCursor {
+            self_id: self.id,
+            idx: cursor as usize as _,
+        });
+    }
+}
+
+usr_object_base! {
+    UsrJayPointer, JayPointer;
+}
+
+impl UsrObject for UsrJayPointer {
+    fn destroy(&self) {
+        self.con.request(Destroy { self_id: self.id });
+    }
+}