Implement Clone Window feature for File menu

Co-authored-by: Byron <[email protected]>

Author: Copilot

apps/desktop/src/components/FileMenuAction.svelte

@@ -22,6 +22,13 @@
 			}),
 			shortcutService.on('clone-repo', async () => {
 				goto(clonePath());
+			}),
+			shortcutService.on('clone-window', async () => {
+				const currentProjectId = await projectsService.getCurrentProjectId();
+				if (currentProjectId) {
+					await projectsService.openProjectInNewWindow(currentProjectId);
+				}
+				// If no project is available, the menu item will be ignored (as per requirements)
 			})
 		)
 	);

apps/desktop/src/lib/project/projectsService.ts

@@ -73,6 +73,11 @@ export class ProjectsService {
 		await this.api.endpoints.openProjectInWindow.mutate({ id: projectId });
 	}
 
+	async getCurrentProjectId(): Promise<string | undefined> {
+		const result = await this.api.endpoints.getCurrentProjectId.query();
+		return result || undefined;
+	}
+
 	async relocateProject(projectId: string): Promise<void> {
 		const path = await this.getValidPath();
 		if (!path) return;
@@ -177,6 +182,10 @@ function injectEndpoints(api: ClientState['backendApi']) {
 			openProjectInWindow: build.mutation<void, { id: string }>({
 				extraOptions: { command: 'open_project_in_window' },
 				query: (args) => args
+			}),
+			getCurrentProjectId: build.query<string | null, void>({
+				extraOptions: { command: 'get_current_project_id' },
+				query: () => undefined
 			})
 		})
 	});

crates/gitbutler-tauri/src/main.rs

@@ -230,6 +230,7 @@ fn main() {
                     projects::list_projects,
                     projects::set_project_active,
                     projects::open_project_in_window,
+                    projects::get_current_project_id,
                     repo::git_get_local_config,
                     repo::git_set_local_config,
                     repo::check_signing_settings,

crates/gitbutler-tauri/src/menu.rs

@@ -79,6 +79,10 @@ pub fn build<R: Runtime>(
                 .accelerator("CmdOrCtrl+Shift+O")
                 .build(handle)?,
             &PredefinedMenuItem::separator(handle)?,
+            &MenuItemBuilder::with_id("file/clone-window", "Clone Window")
+                .accelerator("CmdOrCtrl+Shift+N")
+                .build(handle)?,
+            &PredefinedMenuItem::separator(handle)?,
         ])
         .build()?;
 
@@ -265,6 +269,11 @@ pub fn handle_event<R: Runtime>(
         return;
     }
 
+    if event.id() == "file/clone-window" {
+        emit(webview, SHORTCUT_EVENT, "clone-window");
+        return;
+    }
+
     #[cfg(any(debug_assertions, feature = "devtools"))]
     {
         if event.id() == "view/devtools" {

crates/gitbutler-tauri/src/projects.rs

@@ -114,6 +114,16 @@ pub fn open_project_in_window(handle: tauri::AppHandle, id: ProjectId) -> Result
     Ok(())
 }
 
+/// Get the current project ID for a window, if any.
+#[tauri::command]
+#[instrument(skip(window_state, window), err(Debug))]
+pub fn get_current_project_id(
+    window_state: State<'_, WindowState>,
+    window: Window,
+) -> Result<Option<ProjectId>, Error> {
+    Ok(window_state.get_project_for_window(window.label()))
+}
+
 #[derive(serde::Deserialize, serde::Serialize)]
 pub struct ProjectForFrontend {
     #[serde(flatten)]

crates/gitbutler-tauri/src/window.rs

@@ -276,6 +276,12 @@ pub(crate) mod state {
                 .map(|state| state.project_id)
                 .collect()
         }
+
+        /// Get the current project ID for a specific window, if any.
+        pub fn get_project_for_window(&self, window: &WindowLabelRef) -> Option<ProjectId> {
+            let state_by_label = self.state.lock();
+            state_by_label.get(window).map(|state| state.project_id)
+        }
     }
 }