I'm fairly confident that many (most?) of the gui elements you listed were invented by Xerox and willfully copied by Apple. Certainly stacking resizable movable windows, pull-down menus, and manipulable desktop items.
edit: this article[1] is a bit briefer, and provides much of the same information.
[0] http://obamapacman.com/2010/03/myth-copyright-theft-apple-st...
[1] http://www.folklore.org/StoryView.py?project=Macintosh&s...
The amount of misinformation surrounding how much of the modern computing experience Apple independently invented is also dizzying.