Sets the parent style context for context. The parent style context is used to implement inheritance
of properties.
If you are using a #GtkStyleContext returned from gtk.widget.Widget.getStyleContext, the parent will be set for you.
the new parent or null
Sets the parent style context for context. The parent style context is used to implement inheritance
of properties.
If you are using a #GtkStyleContext returned from gtk.widget.Widget.getStyleContext, the parent will be set for you.