graph_view_widget.py 文件源码

def setGraphView(self, graphView):
        self.graphView = graphView

        # Setup Layout
        layout = QtWidgets.QVBoxLayout(self)
        layout.addWidget(self.graphView)
        self.setLayout(layout)

        # Setup hotkeys for the following actions.
        deleteShortcut = QtWidgets.QShortcut(QtGui.QKeySequence(QtCore.Qt.Key_Delete), self)
        deleteShortcut.activated.connect(self.graphView.deleteSelectedNodes)

        frameShortcut = QtWidgets.QShortcut(QtGui.QKeySequence(QtCore.Qt.Key_F), self)
        frameShortcut.activated.connect(self.graphView.frameSelectedNodes)

        frameShortcut = QtWidgets.QShortcut(QtGui.QKeySequence(QtCore.Qt.Key_A), self)
        frameShortcut.activated.connect(self.graphView.frameAllNodes)