Gets the settings object holding the settings (global property
settings, RC file information, etc) 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.
Gets the settings object holding the settings (global property settings, RC file information, etc) 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.