gtk_widget_set_size_request (ev_sidebar->priv->menu, -1, -1);
gtk_widget_size_request (ev_sidebar->priv->menu, &requisition);
gtk_widget_set_size_request (ev_sidebar->priv->menu,
gtk_widget_set_size_request (ev_sidebar->priv->menu, -1, -1);
gtk_widget_size_request (ev_sidebar->priv->menu, &requisition);
gtk_widget_set_size_request (ev_sidebar->priv->menu,