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List:       pykde
Subject:    Re: argument errors withQComboBox.currentTextChanged signal
From:       David Boddie <david () boddie ! org ! uk>
Date:       2021-07-13 0:25:34
Message-ID: 4076368.bIViPN4yDW () aurora
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On  Mon Jul 12 18:43:59 BST 2021, Axel Rau wrote:

> Attached is the complete module.
> With this variant, I get
> QObject::connect: Cannot connect QComboBox::currentTextChanged(QString) to
> (nullptr)::zoneBoxSelectionChanged(QString)

Do you need to call the ZoneView class's super() method in its __init__()
method? Traditionally, all classes derived from QObject needed to do this in
order to use the meta-object system.

Also, I haven't looked at type annotations in Python but do you need the
str annotation on zone_name here?

    @QtCore.pyqtSlot(str)
    def zoneBoxSelectionChanged(self, zone_name: str):
        if zone_name:
            self.reload_table(zone_name)

The pyqtSlot decorator will take care of any type handling.

David


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