[Python,Gtk4] Gtk.TreeViewの使用について ③　Gtk.TreeViewにコンボボックスを表示する

import gi
gi.require_version('Gtk', '4.0')
from gi.repository import Gtk


APPID = 'com.github.taniyoshima.g4_fblog_treeview3'


class Gtk4TestTest(Gtk.Window):

    def __init__(self, app):
        Gtk.Window.__init__(
            self, application=app, title='Gtk.TreeView Test3',
            default_width=300, default_height=120
        )

        data1 = Gtk.ListStore(str)
        data_source = ['Number 1', 'Number 2', 'Number 3', 'Number 4']
        for item in data_source:
            data1.append([item])

        self.data2 = Gtk.ListStore(str, str)
        self.data2.append(["Data 1", "Number 1"])
        self.data2.append(["Data 2", "Number 4"])
        self.data2.append(["Data 3", "Number 3"])

        treeview = Gtk.TreeView(model=self.data2)

        renderer_text = Gtk.CellRendererText()
        column_text = Gtk.TreeViewColumn("Text", renderer_text, text=0)
        treeview.append_column(column_text)

        renderer_combo = Gtk.CellRendererCombo()
        renderer_combo.set_property("editable", True)
        renderer_combo.set_property("model", data1)
        renderer_combo.set_property("text-column", 0)
        renderer_combo.set_property("has-entry", False)
        renderer_combo.connect("edited", self.on_combo_changed)

        column_combo = Gtk.TreeViewColumn("Combo", renderer_combo, text=1)
        treeview.append_column(column_combo)

        self.set_child(treeview)

    def on_combo_changed(self, widget, path, text):
        self.data2[path][1] = text


class Gtk4TestApp(Gtk.Application):

    def __init__(self):
        Gtk.Application.__init__(self, application_id=APPID)

    def do_activate(self):
        window = Gtk4TestTest(self)
        window.present()


def main():
    app = Gtk4TestApp()
    app.run()


if __name__ == '__main__':
    main()