The widget window is usually covered by the bin_window.
Its background color will become relevant when we introduce
kinetic scrolling with overshooting.
gtk_style_context_save (context);
gtk_style_context_add_class (context, GTK_STYLE_CLASS_VIEW);
gtk_style_context_set_background (context, icon_view->priv->bin_window);
+ gtk_style_context_set_background (context, window);
gtk_style_context_restore (context);
gdk_window_show (icon_view->priv->bin_window);