GUI programming in Haskell “the old way”

As discussed in a previous post, purely functional GUI frameworks may fail to deliver in terms of feature coverage, look-and-feel and codebase scalability. As a result, many programmers turn back to good-old Gtk+ for their user interfaces 

Keera Hails: functional event-driven programming of desktop applications in Haskell

Some time ago I tried to create big programs with user interfaces in Haskell and found that none of the FRP frameworks worked as expected. Some were incomplete, others didn’t compile, and efficiency was an issue in those that did …