Issue emitting signal from background thread.

[Chris@Link]

MainWindow::MainWindow(QWidget *parent) :
  QMainWindow(parent),
  ui(new Ui::MainWindow)
{
  ui->setupUi(this);
  QMetaObject::invokeMethod(this, "startup" , Qt::QueuedConnection);
}

MainWindow::MainWindow(QWidget *parent) :
  QMainWindow(parent),
  ui(new Ui::MainWindow)
{
  ui->setupUi(this);
  QMetaObject::invokeMethod(this, "startup" , Qt::QueuedConnection);
}

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void MainWindow::startup()
      // Get pointer to layout manager for main window
      QLayout* layout = this->layout();
      // Add LCD screen to the main window layout at specified position
      LCD = new(IPR5000_LCD)(this);
      LCD->setGeometry(430,50,320,240);
      LCD->setParent(this);
      layout->addWidget(LCD);
}

void MainWindow::startup()
      // Get pointer to layout manager for main window
      QLayout* layout = this->layout();
      // Add LCD screen to the main window layout at specified position
      LCD = new(IPR5000_LCD)(this);
      LCD->setGeometry(430,50,320,240);
      LCD->setParent(this);
      layout->addWidget(LCD);
}

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