gtk/gtk.go
func (v *Clipboard) WaitForContents(target gdk.Atom) (*SelectionData, error) {
	c := C.gtk_clipboard_wait_for_contents(v.native(), C.GdkAtom(unsafe.Pointer(target)))
	if c == nil {
		return nil, nilPtrErr
	}
	p := &SelectionData{c}
	runtime.SetFinalizer(p, (*SelectionData).free)
	return p, nil
}
func (v *Clipboard) WaitForContents(target gdk.Atom) (*SelectionData, error) {
	c := C.gtk_clipboard_wait_for_contents(v.native(), C.GdkAtom(unsafe.Pointer(target)))
	if c == nil {
		return nil, nilPtrErr
	}
	p := &SelectionData{c}
	runtime.SetFinalizer(p, (*SelectionData).free)
	return p, nil
}
// WaitForContents is a wrapper around gtk_clipboard_wait_for_contents