refactor: popups for nav bar / segmented buttons

src/widget/menu/menu_bar.rs

@@ -230,7 +230,7 @@ where
             path_highlight: Some(PathHighlight::MenuActive),
             menu_roots,
             style: <crate::Theme as StyleSheet>::Style::default(),
-            window_id: window::Id::NONE,
+            window_id: window::Id::RESERVED,
             #[cfg(all(
                 feature = "multi-window",
                 feature = "wayland",

src/widget/menu/menu_inner.rs

@@ -525,6 +525,7 @@ impl<'b, Message: Clone + 'static> Menu<'b, Message> {
                                 );
                                 let node_size = children_node.size();
                                 intrinsic_size.height += node_size.height;
+
                                 intrinsic_size.width = intrinsic_size.width.max(node_size.width);
 
                                 nodes.push(children_node);

src/widget/menu/menu_tree.rs

@@ -401,3 +401,19 @@ pub fn menu_items<
         })
         .collect()
 }
+
+/// Create a menu tree from a widget and a vector of sub trees
+pub fn nav_context<
+    A: MenuAction<Message = Message>,
+    L: Into<Cow<'static, str>> + From<&'static str> + 'static,
+    Message: 'static + std::clone::Clone,
+>(
+    key_binds: &HashMap<KeyBind, A>,
+    children: Vec<Vec<MenuItem<A, L>>>,
+) -> Vec<MenuTree<Message>> {
+    let menus = children
+        .into_iter()
+        .map(|m| MenuItem::<A, L>::Folder(L::from(""), m));
+    let root = vec![MenuItem::<A, L>::Folder(L::from(""), menus.collect())];
+    menu_items(key_binds, root)
+}