import java.awt.datatransfer.DataFlavor;

static S getTextFromClipboard() ctex {
  Transferable transferable = rawClipboardContents();
  if (transferable != null && transferable.isDataFlavorSupported(DataFlavor.stringFlavor))
    ret (S) transferable.getTransferData(DataFlavor.stringFlavor);
  null;
}