--- a/tuikit/core/container.py	Sun Feb 15 12:52:46 2015 +0100
+++ b/tuikit/core/container.py	Sun Feb 15 17:50:24 2015 +0100
@@ -23,13 +23,13 @@
         self.trap_focus = False
         self.layout = layout_class()
 
-    def add(self, widget):
+    def add(self, widget, *args, **kwargs):
         """Add widget into container."""
         self._widgets.append(widget)
         widget.parent = self
         widget.window = self.window
         widget.set_theme(self.theme)
-        self.layout.add(widget)
+        self.layout.add(widget, *args, **kwargs)
         if self.focus_widget is None and widget.can_focus():
             self.focus_widget = widget