Re: [Interest] Signals, slots before the event loop starts?

[Jason H]

You are indeed correct. I am iterating on a minimal test case and the first versions do work. I'm working back to the minimal case that I experienced the issue. This may take some time though.

 

Thank you for your help

 

 

Sent: Thursday, April 11, 2019 at 10:07 AM
From: "Konstantin Shegunov" <kshegu...@gmail.com>
To: "Jason H" <jh...@gmx.com>
Cc: "Konstantin Shegunov" <kshegu...@gmail.com>, "Interests Qt" <interest@qt-project.org>
Subject: Re: [Interest] Signals, slots before the event loop starts?

On Thu, Apr 11, 2019 at 4:57 PM Jason H <jh...@gmx.com> wrote:

Update on this:

It didn't work. I called it, nothing (discernable) happened. Got a bunch of serial port not open errors....

Something else's amiss. Here's the test-case:

 

#include <QCoreApplication>

#include <QDebug>

 

int main(int argc, char *argv[])

{

    QCoreApplication app(argc, argv);

 

    QObject::connect(&app, &QCoreApplication::aboutToQuit, [] () -> void  {

        qDebug() << "Goodbye cruel world!";

    });

    QMetaObject::invokeMethod(&app, &QCoreApplication::quit, Qt::QueuedConnection);


 

    return QCoreApplication::exec();

}



Which produces (as expected):



17:05:37: Debugging starts

Goodbye cruel world!

17:05:38: Debugging has finished

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