Reimplement Qt method
        Unpack dropped data and handle it

def dropEvent(self, event):
        """Reimplement Qt method
        Unpack dropped data and handle it"""
        source = event.mimeData()
        if source.hasUrls():
            pathlist = mimedata2url(source)
            self.shell.drop_pathlist(pathlist)
        elif source.hasText():
            lines = to_text_string(source.text())
            self.shell.set_cursor_position('eof')
            self.shell.execute_lines(lines)
        event.acceptProposedAction()