Fix building mock backend

src/backend/mock.rs

@@ -25,7 +25,7 @@ use std::{
     fs,
     io::{self, Write},
     sync::{
-        atomic::{AtomicUsize, Ordering},
+        atomic::{AtomicU32, Ordering},
         Arc,
     },
     thread,
@@ -35,7 +35,13 @@ use super::{CaptureImage, Cmd, Event};
 use crate::utils;
 
 #[derive(Eq, PartialEq, Clone, Debug, Hash)]
-struct MockObjectId(usize);
+pub struct MockObjectId(u32);
+
+impl MockObjectId {
+    pub fn protocol_id(&self) -> u32 {
+        self.0
+    }
+}
 
 fn create_solid_capture_image(r: u8, g: u8, b: u8) -> CaptureImage {
     let file = fs::File::from(utils::create_memfile().unwrap());
@@ -68,7 +74,7 @@ fn create_solid_capture_image(r: u8, g: u8, b: u8) -> CaptureImage {
 
 impl MockObjectId {
     fn new() -> Self {
-        static NEXT_MOCK_ID: AtomicUsize = AtomicUsize::new(0);
+        static NEXT_MOCK_ID: AtomicU32 = AtomicU32::new(0);
         Self(NEXT_MOCK_ID.fetch_add(1, Ordering::SeqCst))
     }
 }
@@ -76,6 +82,12 @@ impl MockObjectId {
 #[derive(Eq, PartialEq, Clone, Debug, Hash)]
 pub struct ZcosmicWorkspaceHandleV1(MockObjectId);
 
+impl ZcosmicWorkspaceHandleV1 {
+    pub fn id(&self) -> MockObjectId {
+        self.0.clone()
+    }
+}
+
 #[derive(Eq, PartialEq, Clone, Debug, Hash)]
 pub struct ZcosmicToplevelHandleV1(MockObjectId);
 

src/dnd.rs

@@ -1,10 +1,7 @@
 //! Types related to drag-and-drop
 
 use cosmic::{
-    cctk::{
-        cosmic_protocols::workspace::v1::client::zcosmic_workspace_handle_v1,
-        wayland_client::{protocol::wl_output, Proxy},
-    },
+    cctk::wayland_client::{protocol::wl_output, Proxy},
     iced::clipboard::mime::AsMimeTypes,
 };
 use std::{borrow::Cow, sync::LazyLock};
@@ -71,10 +68,7 @@ impl TryFrom<(Vec<u8>, std::string::String)> for DragToplevel {
 #[derive(Clone, Debug, PartialEq)]
 #[repr(u8)]
 pub enum DropTarget {
-    WorkspaceSidebarEntry(
-        zcosmic_workspace_handle_v1::ZcosmicWorkspaceHandleV1,
-        wl_output::WlOutput,
-    ),
+    WorkspaceSidebarEntry(ZcosmicWorkspaceHandleV1, wl_output::WlOutput),
 }
 
 impl DropTarget {