def __init__(self, parent=None, shared=None): # Selection attributes SceneviewerWidget.__init__(self, parent, shared) self._nodeSelectMode = False self._dataSelectMode = False self._1delemSelectMode = False self._2delemSelectMode = False self._elemSelectMode = False self._selection_mode = SelectionMode.NONE self._selectionGroup = None self._selection_box = None self._selectionModifier = QtCore.Qt.SHIFT self._additiveSelectionModifier = QtCore.Qt.ALT self._sceneSurfacesFilter = None self._handle_mouse_events = False