wayland: add a generic wayland client

src/wl_usr/usr_ifs/usr_wlr_layer_shell.rs

@@ -0,0 +1,54 @@
+use {
+    crate::{
+        wire::{zwlr_layer_shell_v1::*, ZwlrLayerShellV1Id},
+        wl_usr::{
+            usr_ifs::{
+                usr_wl_output::UsrWlOutput, usr_wl_surface::UsrWlSurface,
+                usr_wlr_layer_surface::UsrWlrLayerSurface,
+            },
+            usr_object::UsrObject,
+            UsrCon,
+        },
+    },
+    std::rc::Rc,
+};
+
+pub struct UsrWlrLayerShell {
+    pub id: ZwlrLayerShellV1Id,
+    pub con: Rc<UsrCon>,
+}
+
+impl UsrWlrLayerShell {
+    pub fn get_layer_surface(
+        &self,
+        surface: &UsrWlSurface,
+        output: &UsrWlOutput,
+        layer: u32,
+    ) -> Rc<UsrWlrLayerSurface> {
+        let sfc = Rc::new(UsrWlrLayerSurface {
+            id: self.con.id(),
+            con: self.con.clone(),
+            owner: Default::default(),
+        });
+        self.con.add_object(sfc.clone());
+        self.con.request(GetLayerSurface {
+            self_id: self.id,
+            id: sfc.id,
+            surface: surface.id,
+            output: output.id,
+            layer,
+            namespace: "",
+        });
+        sfc
+    }
+}
+
+usr_object_base! {
+    UsrWlrLayerShell, ZwlrLayerShellV1;
+}
+
+impl UsrObject for UsrWlrLayerShell {
+    fn destroy(&self) {
+        self.con.request(Destroy { self_id: self.id })
+    }
+}