On Monday 17 August 2015, Murphy, Sean wrote:
> I'm struggling to get my destructor called in a class of mine that is moved
> to a separate thread
>
> In my class's header file:
> class myClass
> {
> Q_OBJECT
> ...
> }
>
> In my class's .cpp file:
> myClass::~myClass()
> {
> qDebug("myClass destructor");
> }
>
> MainWindow.h:
> QThread* myThread;
> myClass* mine;
>
> My mainwindow's .cpp file:
> MainWindow::MainWindow(QWidget *parent)
> {
> mine = new myClass();
> myThread = new QThread(this);
> mine->moveToThread(myThread);
> myThread->start();
> }
>
> MainWindow::~MainWindow()
> {
> myThread ->exit();
> delete ui;
> }
>
> When I run my application, myClass functions properly, signals and slots in
> it are being called. But when the user clicks the MainWindow's 'X' button
> to close the application, the destructor for my class is never called, or
> at least that qDebug() statement is never printed to the console.
>
> Any thoughts?
Where do you delete mine? I see no delete nor any ownership. Note that unless
you move it back you need to delete it from the body of the new thread. If the
new thread has a runloop you can also async call the slot mine->deleteLayer().
`Alla
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