Add complete keyboard navigation.

crates/bds-ui/src/app.rs

@@ -238,6 +238,7 @@ pub enum Message {
     // Settings
     SetOfflineMode(bool),
     SetUiLocale(UiLocale),
+    KeyboardNavigation(crate::components::keyboard::Navigation),
     ToggleLocaleDropdown,
     ToggleProjectDropdown,
 
@@ -1457,6 +1458,10 @@ impl BdsApp {
 
     pub fn update(&mut self, message: Message) -> Task<Message> {
         match message {
+            Message::KeyboardNavigation(navigation) => match navigation {
+                crate::components::keyboard::Navigation::Next => iced::widget::focus_next(),
+                crate::components::keyboard::Navigation::Previous => iced::widget::focus_previous(),
+            },
             Message::WindowCloseRequested => {
                 self.persist_project_ui_state();
                 flush_embeddings_and_exit(std::process::exit)
@@ -3869,7 +3874,11 @@ impl BdsApp {
                 ) && (action != MenuAction::DisconnectServer || self.remote_client.is_some())
             });
 
-        native_edit::native_edit(content, Arc::clone(&self.native_edit_commands)).into()
+        crate::components::keyboard::scope(native_edit::native_edit(
+            content,
+            Arc::clone(&self.native_edit_commands),
+        ))
+        .into()
     }
 
     pub fn subscription(&self) -> Subscription<Message> {
@@ -3894,6 +3903,15 @@ impl BdsApp {
             _ => None,
         });
         let window_close_sub = window::close_requests().map(|_| Message::WindowCloseRequested);
+        let keyboard_navigation_sub = iced::event::listen_with(|event, status, _id| {
+            let iced::Event::Keyboard(iced::keyboard::Event::KeyPressed { key, modifiers, .. }) =
+                event
+            else {
+                return None;
+            };
+            crate::components::keyboard::tab_navigation(&key, modifiers, status)
+                .map(Message::KeyboardNavigation)
+        });
 
         // Global mouse tracking for sidebar resize dragging.
         // The 4px drag handle mouse_area only fires on_press; move/release
@@ -3950,6 +3968,7 @@ impl BdsApp {
             toast_tick,
             file_drop_sub,
             window_close_sub,
+            keyboard_navigation_sub,
             drag_sub,
             menu_interaction_sub,
             menu_expand_tick,