diff --git a/src/layview/layview/gsiDeclLayAdditional.cc b/src/layview/layview/gsiDeclLayAdditional.cc
new file mode 100644
index 000000000..06bc9116c
--- /dev/null
+++ b/src/layview/layview/gsiDeclLayAdditional.cc
@@ -0,0 +1,81 @@
+
+/*
+
+  KLayout Layout Viewer
+  Copyright (C) 2006-2022 Matthias Koefferlein
+
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 2 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+*/
+
+#include "gsiDecl.h"
+#include "gsiSignals.h"
+#include "layLayoutView.h"
+#include "laybasicCommon.h"
+
+namespace gsi
+{
+
+static lay::CellViewRef get_active_cellview_ref ()
+{
+  lay::LayoutView *view = lay::LayoutView::current ();
+  if (! view) {
+    return lay::CellViewRef ();
+  }
+  if (view->active_cellview_index () >= 0) {
+    return view->active_cellview_ref ();
+  } else {
+    return lay::CellViewRef ();
+  }
+}
+
+static lay::LayoutView *get_view (lay::CellViewRef *cv)
+{
+  return cv->view ()->ui ();
+}
+
+static ClassExt<lay::CellViewRef> extdecl_CellView (
+  method ("active", &get_active_cellview_ref,
+    "@brief Gets the active CellView\n"
+    "The active CellView is the one that is selected in the current layout view. This method is "
+    "equivalent to\n"
+    "@code\n"
+    "RBA::LayoutView::current.active_cellview\n"
+    "@/code\n"
+    "If no CellView is active, this method returns nil.\n"
+    "\n"
+    "This method has been introduced in version 0.23."
+  ) +
+  method_ext ("view", &get_view,
+    "@brief Gets the view the cellview resides in\n"
+    "This reference will be nil if the cellview is not a valid one.\n"
+    "This method has been added in version 0.25.\n"
+  )
+);
+
+static lay::LayoutView *get_view_from_lp (lay::LayerPropertiesNode *node)
+{
+  return node->view ()->ui ();
+}
+
+static ClassExt<lay::LayerPropertiesNode> extdecl_LayerPropertiesNode (
+  method_ext ("view", &get_view_from_lp,
+    "@brief Gets the view this node lives in\n"
+    "\n"
+    "This reference can be nil if the node is a orphan node that lives outside a view."
+  )
+);
+
+}