Qt examples of tracking QListWidget item text edits

list_edit.py

"""
"Connect rename command in QListWidget item edit"
https://groups.google.com/g/python_inside_maya/c/lPoWGuXyFsg/m/sLiWOaJgBAAJ
"""

from PySide2 import QtCore, QtGui, QtWidgets


class MyListWidget(QtWidgets.QListWidget):

    def __init__(self, *a, **kw):
        super(MyListWidget, self).__init__(*a, **kw)
        self.__last_edited = None
        self.setEditTriggers(self.DoubleClicked)
        self.itemChanged.connect(self._itemChanged)

    def edit(self, idx, trigger=None, event=None):
        self.__last_edited = idx.data()
        super(MyListWidget, self).edit(idx, trigger, event)

    def _itemChanged(self, item):
        new_text = item.text()
        if self.__last_edited is None or new_text == self.__last_edited:
            return
        print("would call: cmds.rename({!r}, {!r})".format(self.__last_edited, new_text))


class MyListWidget2(QtWidgets.QListWidget):

    def __init__(self, *a, **kw):
        super(MyListWidget2, self).__init__(*a, **kw)
        self.__last_edited = None
        self.setEditTriggers(self.DoubleClicked)
        self.doubleClicked.connect(self._doubleClicked)
        self.itemChanged.connect(self._itemChanged)

    def _doubleClicked(self, idx):
        self.__last_edited = idx.data()

    def _itemChanged(self, item):
        new_text = item.text()
        if self.__last_edited is None or new_text == self.__last_edited:
            return
        print("would call: cmds.rename({!r}, {!r})".format(self.__last_edited, new_text))


def main():
    app = QtWidgets.QApplication()

    lst = MyListWidget()
    # lst = MyListWidget2()
    for i in range(3):
        item = QtWidgets.QListWidgetItem("item{}".format(i))
        item.setFlags(item.flags() | QtCore.Qt.ItemIsEditable)
        lst.addItem(item)

    lst.show()
    app.exec_()


if __name__ == "__main__":
    main()