Qt Override.

def keyPressEvent(self, event):
        """Qt Override."""
        key = event.key()
        if key in [Qt.Key_Up]:
            self._parent.previous_row()
        elif key in [Qt.Key_Down]:
            self._parent.next_row()
        elif key in [Qt.Key_Enter, Qt.Key_Return]:
            self._parent.show_editor()
        else:
            super(ShortcutFinder, self).keyPressEvent(event)