+    GtkAllocation a;
+    gtk_widget_get_allocation(m_widget, &a);
+    const int x = a.x;
+    const int y = a.y;
+
+    const size_t count = GetPageCount();
+    size_t i = 0;
+
+#if !GTK_CHECK_VERSION(3,0,0) && !defined(GSEAL_ENABLE)
+    GtkNotebook * notebook = GTK_NOTEBOOK(m_widget);
+    if (gtk_notebook_get_scrollable(notebook))
+        i = g_list_position( notebook->children, notebook->first_tab );
+#endif
+
+    for ( ; i < count; i++ )
+    {
+        wxGtkNotebookPage* pageData = GetNotebookPage(i);
+        GtkWidget* box = pageData->m_box;
+
+        const gint border = gtk_container_get_border_width(GTK_CONTAINER(box));
+
+        if ( IsPointInsideWidget(pt, box, x, y, border) )
+        {
+            // ok, we're inside this tab -- now find out where, if needed
+            if ( flags )
+            {
+                if (pageData->m_image && IsPointInsideWidget(pt, pageData->m_image, x, y))
+                {
+                    *flags = wxBK_HITTEST_ONICON;
+                }
+                else if (IsPointInsideWidget(pt, pageData->m_label, x, y))
+                {
+                    *flags = wxBK_HITTEST_ONLABEL;
+                }
+                else
+                {
+                    *flags = wxBK_HITTEST_ONITEM;
+                }
+            }
+
+            return i;
+        }
+    }
+
+    if ( flags )
+    {
+        *flags = wxBK_HITTEST_NOWHERE;
+        wxWindowBase * page = GetCurrentPage();
+        if ( page )
+        {
+            // rect origin is in notebook's parent coordinates
+            wxRect rect = page->GetRect();
+
+            // adjust it to the notebook's coordinates
+            wxPoint pos = GetPosition();
+            rect.x -= pos.x;
+            rect.y -= pos.y;
+            if ( rect.Contains( pt ) )
+                *flags |= wxBK_HITTEST_ONPAGE;
+        }
+    }
+
+    return wxNOT_FOUND;