[Mac OS] Resize window for two monitors

Hi all. I have problem with mac os and resize windows for tow monitors.

I try call

Code:

---

QQuickView::showFullscreen();

---

but QQuickView resize on primary desktop.

ok, i try call

Code:

---

void Window::show() 
{
 
  QRect screenRect;
  QList<QScreen *> screenList = QGuiApplication::screens();
 
  for (int i = 0 ; i < screenList.count(); ++i) {
      screenRect = screenRect.united(screenList.at(i).geometry());
  }
 
  setGeometry(screenRect);
  QQuickView::show();
}

---

i see half window on primary screen, and all, tow half not visible.

How i can resize window for tow monitors ?

Mac OS 10.10
Qt 5.3.2