[Haskell-cafe] anyone using wxHaskell

[Ivan Perez]

Hi Zoran,

wxhaskell refuses to compile with GHC 8.6.5 (or a more modern version). I
have not tried anything prior to 8.6.5.

The last update to https://hackage.haskell.org/package/wx was over 7 years
ago. The version of wxc on hackage won't compile with Cabal >= 2.2 because
of a change to the signature of rawSystemStdInOut, which is needed during
the configure step for the package. That's as far as I went; there could be
other issues.

If you are able to create a docker image that compiles everything inside
and reproduces your error with the scrollbar, I can give it a try.

There appears to have been an attempt at reviving the project:
https://sourceforge.net/p/wxhaskell/bugs/, and people at Zurihac were
working on it. I don't know what happened.

Cheers,

Ivan

On Mon, 14 Oct 2024 at 09:31, Zoran Bošnjak <zoran.bosnjak at via.si> wrote:

> Dear haskell cafe,
> I have a problem with scrolledWindow inside notebook, when running with
> the latest version of wxHaskell. See the minimal example below, where
> the scrollbar is not shown (the same sample is OK on the wxHaskell
> version from few years ago).
>
> I would appreciate a suggestion how to make the scrollbar work again (a
> workaround if possible). I have also filed the issue on the wxHaskell
> project page. But the project does not look like being super actively
> maintained.
>
> https://codeberg.org/wxHaskell/wxHaskell/issues/48
>
> Minimal example:
>
> module Main where
> import Graphics.UI.WXCore
> import Graphics.UI.WX
>
> gui :: IO ()
> gui = do
>      f <- frame [text := "Frame"]
>      p <- panel f []
>      nb <- notebook p []
>      p1 <- scrolledWindow nb
>          [ scrollRate := sz 20 20
>          ]
>      texts <- mapM (\n -> staticText p1 [text := ("test" <> show n) ])
> [1::Int ..20]
>      set f
>          [ layout := fill $ widget p
>          , clientSize := sz 400 200
>          ]
>      set p
>          [ layout := fill $ tabs nb
>            [ tab "tab1" $ container p1 $ column 5 (fmap widget texts)
>            ]
>          ]
>
> main :: IO ()
> main = start gui
>
> regards,
> Zoran
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