properly update the menu and set focus to the text control when opening help in paperback

src/ui/document_manager.rs

@@ -855,7 +855,7 @@ pub fn apply_readability_format_to_ctrl(
 
 		SendMessageW(hwnd, EM_SETSEL, Some(WPARAM(0)), Some(LPARAM(0)));
 		SendMessageW(hwnd, WM_SETREDRAW, Some(WPARAM(1)), None);
-		InvalidateRect(Some(hwnd), None::<*const RECT>, true);
+		let _ = InvalidateRect(Some(hwnd), None::<*const RECT>, true);
 	}
 }
 

src/ui/help.rs

@@ -108,27 +108,27 @@ pub fn handle_view_help_paperback(
 	frame: &Frame,
 	doc_manager: &Rc<Mutex<DocumentManager>>,
 	config: &Rc<Mutex<ConfigManager>>,
-) {
+) -> bool {
 	let Some(path) = readme_path() else {
 		show_error_message(
 			frame,
 			&t("readme.html not found. Please ensure the application was built properly."),
 			&t("Error"),
 		);
-		return;
+		return false;
 	};
 	if !path.exists() {
 		show_error_message(
 			frame,
 			&t("readme.html not found. Please ensure the application was built properly."),
 			&t("Error"),
 		);
-		return;
+		return false;
 	}
 	if !ensure_parser_ready_for_path(frame, &path, config) {
-		return;
+		return false;
 	}
-	let _ = doc_manager.lock().unwrap().open_file(doc_manager, &path);
+	doc_manager.lock().unwrap().open_file(doc_manager, &path)
 }
 
 pub fn handle_donate(frame: &Frame) {

src/ui/main_window.rs

@@ -1222,7 +1222,18 @@ impl MainWindow {
 					help::handle_view_help_browser(&frame_copy);
 				}
 				menu_ids::VIEW_HELP_PAPERBACK => {
-					help::handle_view_help_paperback(&frame_copy, &dm, &config);
+					if help::handle_view_help_paperback(&frame_copy, &dm, &config) {
+						{
+							let dm_ref = dm.lock().unwrap();
+							update_title_from_manager(&frame_copy, &dm_ref);
+							dm_ref.restore_focus();
+						}
+						let menu_bar = menu::create_menu_bar(&config.lock().unwrap());
+						frame_copy.set_menu_bar(menu_bar);
+						menu::update_menu_item_states(&frame_copy, true);
+						let has_reopen = dm.lock().unwrap().has_recently_closed();
+						menu::update_reopen_state(&frame_copy, has_reopen);
+					}
 				}
 				menu_ids::CHECK_FOR_UPDATES => {
 					let channel = config.lock().unwrap().get_update_channel();