Re: [Haskell-cafe] Simple GUI Form

I'm very interested in FRP, but all the examples I could see was forms with "live" feedback gui like a real-time calculator. This is a one-time form where the user fills everything in, clicks on a button, where after the computations might take a long time, perhaps display some console-info. But maybe this is a good use-case for reactive-banana as well? Do you have any good examples in this regard? On Thu, Nov 29, 2012 at 2:37 PM, Ertugrul Söylemez wrote:

Hi there Rune,

if you want to get started with declarative GUI programming in Haskell, I really recommend taking the FRP route. Check out the reactive-banana-wx [1] library instead of using wxHaskell directly. If you manage to get wxHaskell working on Windows, then reactive-banana will work as well.

[1]: http://www.haskell.org/haskellwiki/Reactive-banana

Greets, Ertugrul

Rune Harder Bak wrote:

...

I have some input parameters data Input = ... that I need the user to enter in a gui pop-up. (windows people...) The rest of the app is not gui (or perhaps progress could be displayed in a log-window)

What is the easiest way to make such a GUI form?

It need to compile for both Linux and Windows, so I though WxWidgets was ideal, and I got wx[1] < 0.90 to install (using wxWidgets2.8) on both windows and linux.

Now I just need to create the form, but how do you do that? Any clues or links to examples? I have never used wxwidgets on any platform or done any other form of GUI before for that matters. (apart from some Visual Basic ten years ago, and html).

I tried looking at wx examples, but I couldn't find this simple use case explained anywhere.

I installed wx in the first place because WxGeneric[2] seemed exactly what I needed, but I can't get it to compile using ghc7.4.2 from haskell-platform. Anybody got that working or have some other simple method?

Help much appreciated!

-Rune

[1] http://hackage.haskell.org/package/wx-0.13.2.3 [2] http://hackage.haskell.org/package/WxGeneric

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