gtk/gtk.go
func ColorButtonNewWithRGBA(gdkColor *gdk.RGBA) (*ColorButton, error) {
	c := C.gtk_color_button_new_with_rgba((*C.GdkRGBA)(unsafe.Pointer(gdkColor.Native())))
	if c == nil {
		return nil, nilPtrErr
	}
	return wrapColorButton(glib.Take(unsafe.Pointer(c))), nil
}
func ColorButtonNewWithRGBA(gdkColor *gdk.RGBA) (*ColorButton, error) {
	c := C.gtk_color_button_new_with_rgba((*C.GdkRGBA)(unsafe.Pointer(gdkColor.Native())))
	if c == nil {
		return nil, nilPtrErr
	}
	return wrapColorButton(glib.Take(unsafe.Pointer(c))), nil
}
// ColorButtonNewWithRGBA is a wrapper around gtk_color_button_new_with_rgba().