Good way to make a standard tree model for develop CLI and GUI application

[madawg]

because I want to develop CLI app
in .pro file, I set

QT-= GUI

QT-= GUI

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Because QStandardModelItemModel is a GUI class

[ChrisW67]

Yes, QStandardItemModel requires the QtGui library but it does not require you to use a GUI. You can have a usable command-line only application and use the standard model. It may have issues running in an environment without X though... haven't tried.

You state you want a QAbstractItemModel interface. That interface is in QtCore so you can do this without QtGui. Take a look at Editable Tree Model Example. It is not trivial to fully implement a model, but the example goes through a working internal data structure and extensions for editing.