Function IsWindowInvalid

Source/Engine/Platform/SDL/SDLPlatform.Mac.cpp:299–305

}

inline bool IsWindowInvalid(Window* win)
{
    WindowsManager::WindowsLocker.Lock();
    const bool hasWindow = WindowsManager::Windows.Contains(win);
    WindowsManager::WindowsLocker.Unlock();
    return !hasWindow || !win;
}

Float2 GetWindowTitleSize(const SDLWindow* window)
{