This is the point: in https://github.com/Tener/sheep-transfer/blob/master/src/sheep-gtk.hs the main function requires 196 lines!

How can this be acceptable? GTK is a good toolkit by itself. As far as I can see, the problem here is haskell: I can't see how I can build a simple, basic MVP framework on top of gtk2hs.

Probably I've finally found something relevant at which Haskell sucks. Still I can't understand how haskellers code GUI when they really need to.
Do they use another language and interact with haskell programs via pipes?


Giacomo



On Mon, Jun 10, 2013 at 11:17 AM, Krzysztof Skrzętnicki <gtener@gmail.com> wrote:
If you want a bit more complex GTK programs you can look at these:

https://github.com/Tener/spike -- web browser
https://github.com/Tener/sheep-transfer -- local network file sharing

However, I'm not satisfied by the current state of GUI programming in Haskell. Both programs above are using GTK just because there is nothing better. GTK is a pain to install on Windows too.



On Mon, Jun 10, 2013 at 10:58 AM, Giacomo Tesio <giacomo@tesio.it> wrote:
Thanks, but no, it doesn't help... I have to stick with GTK.

Most of the GUI examples I saw are toy programs.
Leksah is a notable exception, but it's way too complex to be a useful learning tool.

In OO languages, I'm used to the MVP pattern which helps to organize the code.
But I'm finding so complex building GUI in haskell that I'm starting to think that it's not a good choice for such task.


Giacomo


On Mon, Jun 10, 2013 at 2:52 AM, Tim Perry <tim.v2.0@gmail.com> wrote:
Did you try this:

I hope it helps. 
Tim


On Jun 9, 2013, at 10:22 AM, Giacomo Tesio <giacomo@tesio.it> wrote:

I have to write a "simple" GUI that plot some timeseries with a few parameterization (dates, times and so on...). 
The task should be simple, but I'm find using the GTK binding quite weird.

I'm surprised that nothing better exists for GUI programming in haskell. I read a few about FRP but AFAIK it doesn't adress simple desktop UI full of input to validate and grid/tree to show.

Any suggestion? I've already read the pages on Hackage without much success.
At least, can someone point me to the right direction for the codebase organization? 


Giacomo 
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