Final task upon program termination

texasRanger

Hello,

I was wondering if there is a way to run a final function call/ slot when a program terminates. I have a json file with data that is being updated and read from. When the program ends (user stops running program) I want to reset the data withing the file. Is there any type of signal slot that you be used right before before terminates?

fcarney

Does you main.cpp look something like this?

#include <QGuiApplication>
#include <QQmlApplicationEngine>

int main(int argc, char *argv[])
{
    QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);

    QGuiApplication app(argc, argv);

    QQmlApplicationEngine engine;
    const QUrl url(QStringLiteral("qrc:/main.qml"));
    QObject::connect(&engine, &QQmlApplicationEngine::objectCreated,
                     &app, [url](QObject *obj, const QUrl &objUrl) {
        if (!obj && url == objUrl)
            QCoreApplication::exit(-1);
    }, Qt::QueuedConnection);
    engine.load(url);

    return app.exec();
}

Then change the return statement to something like this:

auto ret = app.exec()

// your final code here
finalfunction();

return ret;

texasRanger

@fcarney Sweet! That worked, thanks.