def keyPressEvent(self, event: QtGui.QKeyEvent) -> None:
        """Handle change from ancestor to descendant tracing"""
        if self._selected and event.key() == QtCore.Qt.Key.Key_Control:
            self._data_dep_view.update_descendants(self)
        else:
            super().keyPressEvent(event)
Handle change from ancestor to descendant tracing
angrmanagement/ui/widgets/qdatadepgraph_block.py