code: func (v *ColorChooser) GetRGBA() *gdk.RGBA {
  	gdkColor := gdk.NewRGBA()
  	C.gtk_color_chooser_get_rgba(v.native(), (*C.GdkRGBA)(unsafe.Pointer(gdkColor.Native())))
  	return gdkColor
  }
docs: // GetRGBA() is a wrapper around gtk_color_chooser_get_rgba().