On 10.11, we should use [`-[NSWindow performWindowDragWithEvent:]`](https://developer.apple.com/documentation/appkit/nswindow/performdrag(with:)?language=objc) instead of the ugly hacks we do otherwise. On GNUstep with X11, we could try to use `_NET_WM_MOVERESIZE_MOVE`.
On 10.11, we should use
-[NSWindow performWindowDragWithEvent:]instead of the ugly hacks we do otherwise.On GNUstep with X11, we could try to use
_NET_WM_MOVERESIZE_MOVE.