Re: [Haskell-cafe] Elegant & powerful replacement for CSS

Isn't CSS about giving a "style" to the "views" in the model-view-controller paradigm? So basically it is a way to change the look of a user interface, without having to change the user interface definition itself. But isn't this just an environment monad that has functions to convert a model into a view (= geometry = render function + picking function)? Plugin a different environment and voila, the widgets are painted and maybe even layed differently, but you don't have to change any code or data.... Of course what a "model" really is, is not fully clear: http://blogs.msdn.com/johngossman/archive/2005/10/08/478683.aspx On Tue, Feb 3, 2009 at 8:50 PM, Jeff Heard wrote:

Similarly, I've been wondering what's at the core of a GUI? It seems in recent years that more people have been moving towards web-based applications, and away from traditional GUIs, so the meaning of them may be changing. The old question seemed to be Page vs. Control-Board, but that seems like implementation, when the real essence of a GUI is taking in common kinds of user input and displaying output in a sensible way. Similarly, there are more ways to interact with a computer than ever before, from simple keyboard up through multitouch interfaces like the iPhone. It would be cool to me to see a semantic model that captures this.

2009/2/3 Conal Elliott :

...

[Spin-off from the haskell-cafe discussion on functional/denotational GUI toolkits]

I've been wondering for a while now what a well-designed alternative to CSS could be, where well-designed would mean consistent, composable, orthogonal, functional, based on an elegantly compelling semantic model (denotational).

- Conal

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