Gets the settings object holding the settings used for this widget.
Note that this function can only be called when the #GtkWidget is attached to a toplevel, since the settings object is specific to a particular #GdkScreen.
the relevant #GtkSettings object
See Implementation
Gets the settings object holding the settings used for this widget.
Note that this function can only be called when the #GtkWidget is attached to a toplevel, since the settings object is specific to a particular #GdkScreen.