gtk/widget.go
func (v *Widget) GetMapped() bool {
	c := C.gtk_widget_get_mapped(v.native())
	return gobool(c)
}
func (v *Widget) GetMapped() bool {
	c := C.gtk_widget_get_mapped(v.native())
	return gobool(c)
}
// GetMapped is a wrapper around gtk_widget_get_mapped().