T14c, T15 review fixes: Tab steps past merges, empty charts lay out nothing, flat domains widen by size, pointed parts let go of shrunk data, signed waterfall totals, sunburst children take their share, today stays on the timeline

src/tables/grid.rs

@@ -310,11 +310,9 @@ pub(crate) fn grid(face: Face, base: Div, window: &mut Window, cx: &mut App) ->
     let (fill_raw, fill_hears) = (face.raw.clone(), face.on_change.clone());
     let numbered = face.numbered;
     let (merges, frozen) = (Rc::new(face.merges.clone()), face.frozen);
-    let (hovered_merges, stepped, stepped_back) = (
-        merges.clone(),
-        (sheet.clone(), editor.clone()),
-        (sheet.clone(), editor.clone()),
-    );
+    let hovered_merges = merges.clone();
+    let ahead = (sheet.clone(), editor.clone(), merges.clone());
+    let behind = (sheet.clone(), editor.clone(), merges.clone());
     let keyed = keys(face, metrics, sheet.clone(), editor.clone());
     let focus_on_press = focus.clone();
     let text_size = theme.text_size(TextSize::Sm);
@@ -329,20 +327,22 @@ pub(crate) fn grid(face: Face, base: Div, window: &mut Window, cx: &mut App) ->
         .border_color(colors.border)
         .on_key_down(keyed)
         .capture_action(move |_: &FocusNext, window, cx| {
+            let (sheet, editor, merges) = &ahead;
+            let size = (face_rows, face_cols);
             across(
-                &stepped.0,
-                &stepped.1,
-                (face_cols, false),
+                (sheet, editor),
+                (merges, size, false),
                 (metrics, frozen),
                 window,
                 cx,
             )
         })
         .capture_action(move |_: &FocusPrev, window, cx| {
+            let (sheet, editor, merges) = &behind;
+            let size = (face_rows, face_cols);
             across(
-                &stepped_back.0,
-                &stepped_back.1,
-                (face_cols, true),
+                (sheet, editor),
+                (merges, size, true),
                 (metrics, frozen),
                 window,
                 cx,