# combo_completer.setCompletionMode(QCompleter.InlineCompletion)
combo.lineEdit().setCompleter(combo_completer)
model_tree = QTreeView()
model_tree.setModel(combo_completer.model())
model_tree.expandAll()
for column in range(combo_completer.model().columnCount()):
model_tree.resizeColumnToContents(column)
completion_tree = QTreeView()
completion_tree.setModel(combo_completer.completionModel())
completion_tree.expandAll()
for column in range(combo_completer.completionModel().columnCount()):
completion_tree.resizeColumnToContents(column)
layout.addWidget(model_tree)
layout.addWidget(completion_tree)
layout.addWidget(edit)
layout.addWidget(combo)
layout.setStretchFactor(model_tree, 1)
widget.setLayout(layout)
mw.setCentralWidget(widget)
mw.move(300, 0)
mw.resize(800, 900)
mw.show()
app.exec_()
topic_completer_node.destroy_node()
rclpy.shutdown()
