index wans't calling handlers

kushalkolar · kushalkolar · commit ef28878f103a · 2026-03-20T23:19:37.000-04:00
diff --git a/fastplotlib/widgets/nd_widget/_index.py b/fastplotlib/widgets/nd_widget/_index.py
@@ -188,6 +188,7 @@ def set(self, indices: dict[str, Any]):
             self._indices[dim] = self._clamp(dim, value)
 
         self._render_indices()
+        self._indices_changed()
 
     def _clamp(self, dim, value):
         if isinstance(self.ref_ranges[dim], RangeContinuous):
@@ -215,6 +216,7 @@ def __setitem__(self, dim, value):
         # set index for given dim and render
         self._indices[dim] = self._clamp(dim, value)
         self._render_indices()
+        self._indices_changed()
 
     def _check_has_dim(self, dim):
         if dim not in self.dims:
@@ -289,6 +291,10 @@ def clear_event_handlers(self):
         """Clear all registered event handlers"""
         self._indices_changed_handlers.clear()
 
+    def _indices_changed(self):
+        for f in self._indices_changed_handlers:
+            f(self._indices)
+
     def __iter__(self):
         for index in self._indices.items():
             yield index
