Locate State picker from measured bounds in mounted Escape regression

crates/oa-desktop/src/app/state_picker_escape_tests.rs

@@ -10,6 +10,11 @@ async fn press_escape(mounted: &mut Mounted, app: &mut App) -> Vec<Message> {
         std::slice::from_ref(&input),
         mouse::Cursor::Unavailable,
     );
+    assert_eq!(
+        statuses,
+        [iced::event::Status::Captured],
+        "the mounted picker must capture Escape before App subscriptions"
+    );
     crate::app::escape::tests::subscriptions(app, input, statuses[0], &mut messages);
     for message in messages.iter().cloned() {
         let task = app.update(message);
@@ -41,17 +46,11 @@ async fn mounted_state_missing_picker_escape_preserves_exact_document_then_reope
     send(&mut app, Message::BehaviorDiagram(choice));
     let mut mounted = Mounted::new(&mut app).await;
     assert_eq!(state_edit::unplaced(app.project(), diagram), vec![f.b]);
-    let focus_id = iced::advanced::widget::Id::from("diagram-keyboard-owner");
+    // Locate the stable picker slot itself: selection controls may sit between
-    let (_, canvas, _) = mounted
+    // it and the canvas. The single menu option opens below this slot.
-        .geometry(&app)
+    let bounds = mounted.geometry(&app).bounds("state-missing-picker");
-        .focused
+    let picker = bounds.center();
-        .into_iter()
+    let option = iced::Point::new(picker.x, bounds.y + bounds.height * 1.5);
-        .find(|(id, _, _)| id.as_ref() == Some(&focus_id))
-        .unwrap();
-    // The existing picker is immediately above the measured canvas, separated
-    // by 8px. Its 12px text and 8px padding give a 31.6px row.
-    let picker = iced::Point::new(canvas.center_x(), canvas.y - 24.);
-    let option = iced::Point::new(picker.x, canvas.y + 8.);
     let before = app.document.snapshot();
     let original = app.project().clone();
     let source = app.document.bundle().clone();

crates/oa-desktop/src/behavior/state_view.rs

@@ -187,7 +187,7 @@ pub fn view<'a>(app: &'a App, machine: Id, mut out: Column<'a, Message>) -> Elem
     .into();
     out = out.push(
         column![
-            missing_controls,
+            container(missing_controls).id("state-missing-picker"),
             selection_controls(app),
             crate::diagram::focus::wrap(
                 canvas.map(event),