Haskell functions to open and manage a OpenGL window with libX11. This module is intended to be imported qualified, to avoid clashes with Prelude functions, e.g. As an example, here is a simple module that uses some of these functions to open a OpenGL 3.2 Context: Special thanks to Tiago Farto (aka xernobyl) for coding the initial C version that was used as a base for these functions