QHammerMainWnd is a managed DockWindow, start moving Hammer dock widgets over to DockManager Everything in hammer is added through managed DockManager Asset browser doesn't need to be made from native, use [Dock] DockManager manages View toolbars menu, delete all native for it Dock widgets dont need to be QDockWidget anymore Use StateCookie to save Hammer layout, add a default layout Mdi area is fine, but lets give it a proper name ToggleFullscreenLayout