Re: [Haskell-cafe] GUI library

29 Aug 2009

      Hi Jean-Denis,

Thanks for the information. Do you know how WxHaskell fits my needs? For 
example, does it have good docs and examples for a beginner? Does it have 
the ability to draw lines and characters on a surface? Does it have a type 
of "canvas" which usually refers to an optimized drawing surface?

Thanks,
Mike

Jean-Denis Koeck wrote:
...
I began writing a commercial app with a GUI using Gtk2hs,
but it looked ugly on Windows. I'm switching to WxHaskell.
2009/8/29 Michael Mossey mailto:mpm@alumni.caltech.edu>
I want to choose a GUI library for my project. Some background: I'm
    a beginner to functional programming and have been working through
    Haskell books for a few months now. I'm not just learning Haskell
    for s**ts and giggles; my purpose is to write
    music-composition-related code; in particular, I want to write a
    graphical musical score editor. (Why write my own editor, you may
    ask? Because I want to fully integrate it with
    computer-assisted-composition algorithms that I plan to write, also
    in Haskell.) I decided to use Haskell for its great features as a
    functional programming language.
Regarding a choice of GUI library, I want these factors:
- it needs to provide at a minimum a drawing surface, a place I can
    draw lines and insert characters, in addition to all the standard
    widgets and layout capabilities we have to come to expect from a GUI
    library.
- This is a Windows application.
- it needs to be non-confusing for an intermediate-beginner
    Haskeller. Hopefully good documentation and examples will exist on
    the web.
- It might be nice to have advanced graphics capability such as Qt
    provides, things like antialiasied shapes, and a canvas with
    efficient refresh (refereshes only the area that was exposed, and if
    your canvas items are only primitives, it can do refreshes from
    within C++ (no need to touch your Haskell code at all). However I'm
    wondering if qtHaskell fits my criteria "well-documented" and "lots
    of examples aimed at beginners".
Thanks,
    Mike
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