Re: Delphi DLLs (Euphoria GUI's)
Ray Smith wrote:
> I really think Euphoria needs another
> GUI project other that Win32Lib to attempt
> the mountainous job of providing a GUI.
I second that motion.
There's a lot of work involved in getting a GUI working under Euphoria, and
it's made more difficult by having to wrap the library in a DLL. There's a
lot of small stuff to deal with, like converting sequences to C strings. In
wxWindows, there's a seperate class of strings that objects prefer to deal
with. So you have an additional layer to work with: sequence to C string, C
string to wxString. Then you have to translate the result back into a
sequence, and destroy any objects that were created in the transaction.
> I had thought it would come from GTK+
I'm not sure I'd pick GTK+ as the basis for a cross-platform GUI. Certainly,
it's an excellent library under Linux, even if it's under daily development.
But the Win32 port is more a spinoff of the Win32 Gimp port. I don't know
how complete it is, and the author doesn't consider it any better than beta
quality. And since it's an unofficial one-man port, there's no guarantee
that work will continue on the project into the future.
> wxWindows (both cross platform)
I really like wxWindows. It's very complete, and has lots of nice non-GUI
classes as well. There's a lot of active development on it, and it's got a
rich set of GUI objects.
It's possible to wrap in a DLL, since that's what wxPython does. On the
other hand, it's not entirely trivial to do so. The resultant DLL is about 2
or 3 megs in size, which isn't that atypical of the size of a DLL of this
sort.
> but maybe a Delphi version could be considered.
I get the impression that a number of DLLs would have to be shipped with any
Kylix application, in addition the 'main' DLL. This could be a bit of a
burden. Another possible downside is that Mac support is not going to
happen, although I don't know of any great demand for such a thing.
Another promising option is ZooLib (http://zoolib.sourceforge.net). The
Win32 and Mac versions appear fairly complete, although the Posix
(read:Linux) version lacks dropdown menus. I get the impression it's
preferred compiler is MetroWerks, but I could be wrong.
Personally, I think that translating Euphoria to Java continues to be an
interesting option.
-- David Cuny
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