Workaround for https://bugreports.qt.io/browse/QTBUG-57076

test.mm

[NSEvent addLocalMonitorForEventsMatchingMask:NSKeyDownMask handler:^(NSEvent *event) {
	// Cmd+Shift+O (Open Most Recent File)
	if ((event.modifierFlags & NSCommandKeyMask)
	 && (event.modifierFlags & NSShiftKeyMask)
	 && (event.keyCode == kVK_ANSI_O))
	{
		editor->openMostRecentFile();
		return (NSEvent *)nil; // event was handled by this monitor (avoids the system beep)
	}

	// Cmd+Option+O (Open Random Example)
	else if ((event.modifierFlags & NSCommandKeyMask)
	      && (event.modifierFlags & NSAlternateKeyMask)
	      && (event.keyCode == kVK_ANSI_O))
	{
		editor->openRandomExample();
		return (NSEvent *)nil; // event was handled by this monitor (avoids the system beep)
	}

	// event was not handled by this monitor; pass it on.
	return event;
}];