Is it a simple matter of copy/paste the code and change everything GTK to Cocoa? Since I want to write apps (admitedly 2d games) largely in OpenGL all I need a native toolkit for is drawing the ...

Does anyone know where I can get the source code for the Microsoft OpenGL screen savers that ship with their OS'es? 3D Pipes, 3D text, etc...IRCC, that source code used to ship with Visual Studio ...