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Re: [Caml-list] Cross-platform "Hello, World" graphical application in OCaml
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Date: 2005-03-05 (13:09)
From: Gregory Guyomarc'h <g_r_e_g_@h...>
Subject: Re: [Caml-list] Cross-platform "Hello, World" graphical application in OCaml
Dear Caml-list,

<> said:
>On Wed, Mar 02, 2005 at 12:36:53AM -0600, Ken Rawlings wrote:
> > My experiences building Kog were overall positive. However, writing a
> > full-featured GUI from scratch is a lot of work, so Kog is likely to
> > remain a toy implementation for the foreseeable future. If there's
> > much interest in the OCaml community for this sort of thing though,
> > I'd love to work with a group on a project getting a full-featured
> > lightweight GUI up and running with OCaml, whether it be on OpenGL
> > directly, or one of the higher level vector libraries.
>I think this would be the wrong direction to go.
>What I think would be useful is an OCaml wrapper around Gtk, Win32 and
>Aqua/COCOA.  The idea would be for the OCaml wrapper to abstract away
>the differences, allowing cross-platform programming with native
>widgets.  WxWidgets fits the bill here, but the actual API is clunky.
>I have a feeling that something could be done better with a functional
>programming approach.

I think it has not yet been mentioned in this thread, but as far as I
understand it, the java Standard Widget Toolkit (SWT) do just that. It
acts as a thin layer above the native toolkits (in fact it seems above
the simpler widgets like buttons, labels, etc, others like menu bars are
re-implemented in java). It already supports an impressive set of
backends: gtk, windows, carbon, photon, and motif. I don't know how well
the API compares to wxWidgets', I have never used any of them, but it
seems quite popular.

Here are some links,

>Of course it's a lot of tedious engineering work.  I'm not
>Richard Jones, CTO Merjis Ltd.
>Merjis - web marketing and technology -
>Team Notepad - intranets and extranets for business -