wayland: add a generic wayland client

src/wl_usr/usr_ifs/usr_wl_compositor.rs

@@ -0,0 +1,37 @@
+use {
+    crate::{
+        wire::{wl_compositor::CreateSurface, WlCompositorId},
+        wl_usr::{usr_ifs::usr_wl_surface::UsrWlSurface, usr_object::UsrObject, UsrCon},
+    },
+    std::rc::Rc,
+};
+
+pub struct UsrWlCompositor {
+    pub id: WlCompositorId,
+    pub con: Rc<UsrCon>,
+}
+
+impl UsrWlCompositor {
+    pub fn create_surface(&self) -> Rc<UsrWlSurface> {
+        let sfc = Rc::new(UsrWlSurface {
+            id: self.con.id(),
+            con: self.con.clone(),
+        });
+        self.con.request(CreateSurface {
+            self_id: self.id,
+            id: sfc.id,
+        });
+        self.con.add_object(sfc.clone());
+        sfc
+    }
+}
+
+usr_object_base! {
+    UsrWlCompositor, WlCompositor;
+}
+
+impl UsrObject for UsrWlCompositor {
+    fn destroy(&self) {
+        // nothing
+    }
+}