wxhaskell-users — General mailing list for wxhaskell users

Re: [wxhaskell-users] Installation on Mac OS X

[Anatoly Z. <ana...@gm...>]

High, Wouter!

> wxc/include/wrapper.h:172: error: invalid conversion from 'char*' to
> 'long unsigned int'
> wxc/include/wrapper.h:172: error:   initializing argument 1 of
> 'wxDataFormat::wxDataFormat(long unsigned int)'
> ...

This is a unicode problem: when configuring wxWidgets with
--enable-unicode "wxChar" is not "char". So you should rebuild
wxWidgets with --disable-unicode or apply the great patch from Eric Y.
Kow to wxhaskell (look for his posts on this list).

Hope this helps.

Re: [wxhaskell-users] Installation on Mac OS X

[Eric Y. K. <Eri...@lo...>]

On Tue, Nov 08, 2005 at 23:20:02 +0000, Wouter Swierstra wrote:
> I've been trying to install wxhaskell on my iBook, so far to no =20
> avail. I'm running 10.4 with Wolfgang Thaller's ghc version 6.4.1 and =20
> XCode 2.1. So far I have managed to build managed to build and =20
> install wxMac 2.6.2 (which oddly enough seems to correspond to =20
> wxwidgets 2.5.3).

Hi,

1. For wxhaskell's configure, you need to pass the flag=20
   --wx-config=3D/usr/local/bin/wx-config=20
   (or wherever it is you installed wxWidgets 2.6.2)

2. For wxWidget's configure on the Mac, you must also
   pass --disable-shared.

   This is not related to problem you are having yet; just warning you
   in advance.  If somebody could explain why this is neccesary, that'd
   be great.  All i know is that it avoids things blowing up

3. As for the compilation error, either:
    A) wxWidgets should be configured --disable-unicode=20
    B) *or* you should patch wxhaskell using the following:
       http://www.loria.fr/~kow/download/patch-wxhaskell-unicode-05

Cheers,

--=20
Eric Kow                     http://www.loria.fr/~kow
PGP Key ID: 08AC04F9         Merci de corriger mon fran=E7ais.

[wxhaskell-users] Installation on Mac OS X

[Wouter S. <ws...@Cs...>]

Dear all,

I've been trying to install wxhaskell on my iBook, so far to no  
avail. I'm running 10.4 with Wolfgang Thaller's ghc version 6.4.1 and  
XCode 2.1. So far I have managed to build managed to build and  
install wxMac 2.6.2 (which oddly enough seems to correspond to  
wxwidgets 2.5.3).

Wxhaskell configures as follows:

configuration:
library:     wxhaskell-0.9.4  (release 0)
compiler:    ghc-6.4.1
wxwidgets:   mac-2.5.3
with openGL: no
library dir: /usr/local/wxhaskell/lib

But building gives me the error attached at the bottom of this message.

I tried the binaries provided, but alas:

 > ghc -package wx HelloWorld.hs -o hello

HelloWorld.hs:4:0:
     Failed to load interface for `Graphics.UI.WX':
         Bad interface file: /usr/local/wxhaskell/lib/imports/ 
Graphics/UI/WX.hi
             mismatched interface file versions: expected 6041, found  
6040


Any clues as to what's amiss would be greatly appreciated.

Thanks in advance,

--Wouter

Compilation error:

g++ -c wxc/src/ewxw_main.cpp -o out/wxc/ewxw_main.o -MD -I/usr/lib/wx/ 
include/mac-unicode-debug-2.5 -I/usr/include/wx-2.5 -D__WXDEBUG__ - 
D__WXMAC__ -D_FILE_OFFSET_BITS=64 -D_LARGE_FILES -DNO_GCC_PRAGMA   - 
Iwxc/include
wxc/include/wrapper.h: In constructor  
'ELJDragDataObject::ELJDragDataObject(void*, char*, int (*)(void*),  
int (*)(void*, void*), int (*)(void*, int, const void*))':
wxc/include/wrapper.h:172: error: invalid conversion from 'char*' to  
'long unsigned int'
wxc/include/wrapper.h:172: error:   initializing argument 1 of  
'wxDataFormat::wxDataFormat(long unsigned int)'
wxc/include/wrapper.h: In constructor  
'ELJTextValidator::ELJTextValidator(void*, void*, void*, long int)':
wxc/include/wrapper.h:257: error: ambiguous overload for 'operator='  
in '((ELJTextValidator*)this)->ELJTextValidator::buf = (const char*) 
_txt'
/usr/include/wx-2.5/wx/string.h:643: note: candidates are: wxString&  
wxString::operator=(int) <near match>
/usr/include/wx-2.5/wx/string.h:856: note:                 wxString&  
wxString::operator=(wxChar) <near match>
/usr/include/wx-2.5/wx/string.h:863: note:                 wxString&  
wxString::operator=(const wxWCharBuffer&) <near match>
/usr/include/wx-2.5/wx/string.h:919: note:                 wxString&  
wxString::operator=(const wxString&) <near match>
wxc/include/wrapper.h: At global scope:
wxc/include/wrapper.h:330: error: conflicting return type specified  
for 'virtual char* ELJConnection::OnRequest(const wxString&, const  
wxString&, int*, wxIPCFormat)'
/usr/include/wx-2.5/wx/ipcbase.h:85: error:   overriding 'virtual  
wxChar* wxConnectionBase::OnRequest(const wxString&, const wxString&,  
int*, wxIPCFormat)'
wxc/include/wrapper.h: In constructor 'ELJConnection::ELJConnection 
(char*, int)':
wxc/include/wrapper.h:300: error: no matching function for call to  
'wxTCPConnection::wxTCPConnection(char*&, int&)'
/usr/include/wx-2.5/wx/sckipc.h:106: note: candidates are:  
wxTCPConnection::wxTCPConnection(const wxTCPConnection&)
/usr/include/wx-2.5/wx/sckipc.h:65: note:                  
wxTCPConnection::wxTCPConnection()
/usr/include/wx-2.5/wx/sckipc.h:64: note:                  
wxTCPConnection::wxTCPConnection(wxChar*, int)
wxc/include/wrapper.h: In constructor 'ELJPrintout::ELJPrintout 
(void*, void*, void*, void*, void*, void*, void*, void*, void*, void*)':
wxc/include/wrapper.h:412: error: conversion from 'char*' to 'const  
wxString' is ambiguous
/usr/include/wx-2.5/wx/string.h:659: note: candidates are:  
wxString::wxString(wxChar, size_t) <near match>
/usr/include/wx-2.5/wx/string.h:649: note:                  
wxString::wxString(int) <near match>
wxc/include/wrapper.h: In constructor  
'ELJPreviewFrame::ELJPreviewFrame(void*, void*, void*, void*, void*,  
void*, void*, int, int, int, int, int)':
wxc/include/wrapper.h:474: error: conversion from 'char*' to 'const  
wxString' is ambiguous
/usr/include/wx-2.5/wx/string.h:659: note: candidates are:  
wxString::wxString(wxChar, size_t) <near match>
/usr/include/wx-2.5/wx/string.h:649: note:                  
wxString::wxString(int) <near match>
make: *** [out/wxc/ewxw_main.o] Error 1 
                         

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Re: [wxhaskell-users] Noob problem with menus in demo

[Paul S. <pau...@mi...>]

On Mon, 7 Nov 2005 13:02:28 +0100, Eric Y. Kow wrote:
> On Sat, Nov 05, 2005 at 23:53:36 -0500, Paul Sexton wrote:
> Out of curiosity, what happens when you minimise TimeFlows and then
> restore the window?  Do you get a menubar back?
> 
> Another thing to try is to compare the wxcore samples with the wx
> samples.
> 
> There seems to be a bug somewhere (in wxhaskell?) and I've found that to
> deal with it,  I need to stick in a piece of code that more or less does
> the same thing:
> 
>   windowHide f
>   windowShow f
>   windowRaise f 


Never mind!

Not only am I a n00b, I'm an idiot. I confused TimeFlows and 
TimeFlowsEx. All working now.

Thanks for the help, nice meeting you, & I'll remember the workaround 
(still excited about this thing.) 

Paul 

Re: [wxhaskell-users] Noob problem with menus in demo

[Eric Y. K. <Eri...@lo...>]

On Sat, Nov 05, 2005 at 23:53:36 -0500, Paul Sexton wrote:
> Both load w/ no errors and work correctly otherwise. I've looked thru=20
> the .hs's and see no reason HelloWorld would have a visible/functional=20
> menubar but not TimeFlows; I've done some tinkering with the code with=20
> no effect.

Out of curiosity, what happens when you minimise TimeFlows and then
restore the window?  Do you get a menubar back?

Another thing to try is to compare the wxcore samples with the wx
samples.

There seems to be a bug somewhere (in wxhaskell?) and I've found that to
deal with it,  I need to stick in a piece of code that more or less does
the same thing:

  windowHide f
  windowShow f
  windowRaise f=20

But said bug may not be relevant to your problem.

--=20
Eric Kow                     http://www.loria.fr/~kow
PGP Key ID: 08AC04F9         Merci de corriger mon fran=E7ais.

[wxhaskell-users] Noob problem with menus in demo

[Paul S. <pau...@mi...>]

Didn't see this on the list archive or USENET, but someone must have 
encountered it.

I'm a noob, just installed, been running the demo's. HelloWorld.hs has 
a menubar but TimeFlows.hs doesn't (not drawn at all.)

Both load w/ no errors and work correctly otherwise. I've looked thru 
the .hs's and see no reason HelloWorld would have a visible/functional 
menubar but not TimeFlows; I've done some tinkering with the code with 
no effect.

Working with XP SP1, ghc 6.4 (binary install), WxW 2.4.2(VS.NET), 
matching WxHaskell MSI install
I'll try this w/ OSX as soon as I can work out some install errors.

TIA

Paul

[wxhaskell-users] installer for Slackware10.1 and Problems with component creation

[Ing. O. E. <osc...@me...>]

Hi, everybody  and first sorry for me english is no yet very good. :) 

   The .tgz is an installer bin-file for linux slackware distribution, you
could find the file in : http://www.memi.umss.edu.bo/~oscar.apollo/soft/

   Me problem is exactly :

       In wxhaskell create a panel or other compoment with an especific
parent(example. frame )

        _panel <- panel owner [...]
                      --where owner is previosly create

, but I dont know which is the specific parent(frame) in the creation time,
because I using Ag (Attributes grammar - uuag), the semantics rules and lhs
variables. Of course I know the parent after. So Who I find a solution?


Thanks for all.

-- 
Ing. O.E. Alvarez Callaú
Programa MEMI-UMSS

Re: [wxhaskell-users] Testing to see if a display is available

[Mads <mad...@ya...>]

Hi Arjan and Lennart

> Arjan van IJzendoorn wrote:
>=20
> > Hello Mads,
> >
> >> This leads me to the following question: How does one test if a  dis=
play
> >> is available using WxHaskell?
> >
> >
> > I don't know, but you might check the wxWidgets documentation first =20
> > to see whether this framework supports it. If not, there is no chance=
 =20
> > of finding a wxHaskell method that does it. I couldn't find one after=
 =20
> > quickly scanning the available classes.
> >
> > Alternatively, is there maybe an environment variable that tells you =
=20
> > whether a display is available?
>=20
> Usually the environment variable DISPLAY is set if a display is=20
> available. This is of course no guaranty that the display can actually=20
> be opened.

I created the following function:

-- WARNING: This function has only been tested on Linux (Debian).
displayAvailable :: IO Bool
displayAvailable =3D do isWindows <- isSet "SystemDrive"
                      if isWindows
                         then return True
                         else isSet "DISPLAY" -- We are geussing it's Lin=
ux.
                             =20
    where
    isSet environmentVariable =3D catch (do getEnv environmentVariable
                                          return True
                                      ) (\_ -> return False)

However, it is not really cross-platform. It does work on Linux and
maybe on MS Windows. It also assumes MS Windows always has a graphical
display (is this true?). However shouldn't a cross platform solution be
part of WxHaskell?

Another problem with the solution is that if the DISPLAY variable is
set, but the user is not allowed to use the display which the DISPLAY
variable refers to, the function will return (IO True) even though it
should not. This can happen after an su-command, if you have not done a
"xhost localhost".

Thank you both for the replies.


/Mads Lindstr=F8m

>=20
> Cheers,
>   Lennart
>=20
> >
> > Cheers, Arjan

Re: [wxhaskell-users] Testing to see if a display is available

[Lennart K. <kol...@dt...>]

Arjan van IJzendoorn wrote:

> Hello Mads,
>
>> This leads me to the following question: How does one test if a  display
>> is available using WxHaskell?
>
>
> I don't know, but you might check the wxWidgets documentation first  
> to see whether this framework supports it. If not, there is no chance  
> of finding a wxHaskell method that does it. I couldn't find one after  
> quickly scanning the available classes.
>
> Alternatively, is there maybe an environment variable that tells you  
> whether a display is available?

Usually the environment variable DISPLAY is set if a display is 
available. This is of course no guaranty that the display can actually 
be opened.

Cheers,
  Lennart

>
> Cheers, Arjan

Re: [wxhaskell-users] Testing to see if a display is available

[Arjan v. I. <af...@cs...>]

Hello Mads,

> This leads me to the following question: How does one test if a  
> display
> is available using WxHaskell?

I don't know, but you might check the wxWidgets documentation first  
to see whether this framework supports it. If not, there is no chance  
of finding a wxHaskell method that does it. I couldn't find one after  
quickly scanning the available classes.

Alternatively, is there maybe an environment variable that tells you  
whether a display is available?

Cheers, Arjan

[wxhaskell-users] Testing to see if a display is available

[Mads <mad...@ya...>]

Hi

I want to develop an application which opens a GUI if there is a display
available. If no display is available I want the application to
gracefully switch to console mode.

This leads me to the following question: How does one test if a display
is available using WxHaskell?

I have tried the catch (IO a -> (IOError -> IO a) -> IO a) function in
the IO monad like:

  main =3D catch someForm ( const $ putStr "No display available\n" )

  someForm =3D start $ do f <- frame []
                        set f [ layout :=3D widget $ label "Foo" ]

but WxHaskell do not call the exception handler function. WxHaskell Just
prints something like:

  Gtk-WARNING**: Cannot open display

I would appreciate any help I can get.

/Mads Lindstr=F8m

[wxhaskell-users] Window Flicker Problem

[Groh, H. <gr...@IC...>]

hello,
there's a "flicker" problem when resizing a wxHaskell frame under =
Windows. The resize is excuted incrementally,
as the frame size is changed.
Under SuSE Linux, with the wxGTK libriaries, resizing is excuted only =
when the frame size change is complete,
effecting no flickers.
=20
Is it possible to set constraints for resizing under Windows, in the =
sense that it will be performed without flickers ?
=20
Thank you,

Hans Groh=20
 <mailto:gr...@ic...> mailto:gr...@ic...=20
 <http://www.ics-ag.de/> http://www.ics-ag.de <?xml:namespace prefix =3D =
o ns =3D "urn:schemas-microsoft-com:office:office" />

=20

Re: [wxhaskell-users] Re: unicode support

[<EFu...@ne...>]

Hello Eric,

"Eric Y. Kow" <Eri...@lo...> wrote:
>We need some help testing something out.
>

Please instead of attaching the patches to the emails, use the sourceforge patch submission mechanism, which will make it easier to track things.
And if the wxHaskell developers ever think of adding them they will also find it easier.

Thanks.
-- 
Surendra Singhi

http://www.public.asu.edu/~sksinghi/index.html


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Re: [wxhaskell-users] Re: unicode support

[Eric Y. K. <Eri...@lo...>]

On Mon, Oct 03, 2005 at 18:01:07 +0200, Eric Y. Kow wrote:
> We need some help testing something out.

Please feel free to disregard this message.
I've managed to test things out on my own.

-- 
Eric Kow                     http://www.loria.fr/~kow
PGP Key ID: 08AC04F9         Merci de corriger mon français.

[wxhaskell-users] wxHaskell Windows binary for GHC 6.4.1?

[Simon G. <sim...@te...>]

Hi,

Is anyone planning to package a Windows binary of wxHaskell for GHC 6.4.1?

cheers,
Simon

Re: [wxhaskell-users] drawing text on a canvas?

[Arjan v. I. <af...@cs...>]

Hello Malcolm,

> Does anyone know anything about Graphics.UI.WXCore.Draw.getTextExtent?
> It does not work as I expected from the documentation.

I don't think it can handle multiple lines, you will have to multiply  
the line height with the number of lines yourself. The '\n' symbols  
in a string are probably simply seen as funny characters. This is  
quite common in GUI libraries (unfortunately).

> Maybe related to this, drawText only draws the first line of the
> string as well.

Yes, you will have to draw each line separately and compute the  
changing y coordinate yourself. But, of course, with Haskell you will  
be able to build a nice abstraction... :-)

> And another question: how do I change the colour of drawn text?
> Adding options like
>     [ penColor := ... ]
>     [ brushColor := ... ]
> doesn't seem to have any effect.

textColor :: Attr w Color
textBgcolor :: Attr w Color

Regards, Arjan

[wxhaskell-users] Small documentation patch

[Samuel B. <na...@gm...>]

Should save a lot of head-scratching...

--- Controls.hs.~1.31.~=092005-02-25 06:14:58.000000000 -0500
+++ Controls.hs=092005-10-07 18:34:40.000000000 -0400
@@ -792,6 +792,9 @@
 -- | Create a spin control: a text field with up\/down buttons. The
value ('selection')
 -- is always between a specified minimum and maximum.
 --
+-- To specify its initial value, use a 'text' property (such as @text
:=3D show n@) rather than
+-- a 'selection' property (such as @selection :=3D n@).
+--
 -- * Instances: 'Selection', 'Selecting' -- 'Textual', 'Literate',
'Dimensions', 'Colored', 'Visible', 'Child',
 --             'Able', 'Tipped', 'Identity', 'Styled', 'Reactive', 'Paint'=
.
 --

[wxhaskell-users] drawing text on a canvas?

[Malcolm W. <Mal...@cs...>]

Hi people,

Does anyone know anything about Graphics.UI.WXCore.Draw.getTextExtent?
It does not work as I expected from the documentation.  If the string
you pass in has multiple lines, then it seems to calculate the height
as if there was only one line.  The width is correct though.

Maybe related to this, drawText only draws the first line of the
string as well.

And another question: how do I change the colour of drawn text?
Adding options like
    [ penColor := ... ]
    [ brushColor := ... ]
doesn't seem to have any effect.

This is all using GHC-6.2.2 on a Mac, with wxHaskell-0.9, and (I
presume) wxMac.

Regards,
    Malcolm

Re: [wxhaskell-users] EnableGUI.hs for MacOSX

[Falk B. <bu...@tc...>]

Turns out there was no problem after all, just a stupid mistake of mine.
The wxHaskell samples work fine now.

Falk

Re: [wxhaskell-users] EnableGUI.hs for MacOSX

[Falk B. <bu...@tc...>]

I just tried to open a ghc-compiled and macosx-app-converted sample progr=
am by
actually double-clicking on the icon (instead of using the "open" command=
) and
all I get is a blank window. So, the problem seems to be somewhere else.
I appreciate any suggestions.

Falk

Re: [wxhaskell-users] EnableGUI.hs for MacOSX

[Falk B. <bu...@tc...>]

Quoting Wolfgang Thaller <wol...@gm...>:

> > Hi,
> >
> > I have read two previous postings of Wolfgang Thaller regarding an
> > EnableGUI.hs
> > module for Mac OS X.
> > I am using GHC 6.0.1 and wxHaskell 0.9.4 and have downloaded the
> > current
> > available EnableGUI.hs module from the wxhaskell page, but when I
> > try to run
> > one of the wxhaskell sample programs I only get an empty window, no
> > buttons
> > etc. (wxWidget 2.6.2 is installed and the samples I've tried work
> > fine).
> > I assume this problem is due to I am using Mac OS X 10.2.8.
> > Is there still an older version of EnableGUI.hs available which
> > runs on my
> > system? Wolfgang mentioned one which uses some undocumented
> > functions which
> > would be fine for me as I need it only to run on my machine.
> >
>
> The version at http://wxhaskell.sourceforge.net/download/EnableGUI.hs
> is still the one that uses the undocumented functions. Using
> undocumented functions is not that dangerous for the newer systems,
> as EnableGUI is only ever needed to run things from GHCi.
> Do the wxhaskell sample programs work when you compile them & make
> them double-clickable, without relying on EnableGUI?
>
> Cheers,
>
> Wolfgang
>
>
>
> -------------------------------------------------------
> This SF.Net email is sponsored by:
> Power Architecture Resource Center: Free content, downloads, discussion=
s,
> and more. http://solutions.newsforge.com/ibmarch.tmpl
> _______________________________________________
> wxhaskell-users mailing list
> wxh...@li...
> https://lists.sourceforge.net/lists/listinfo/wxhaskell-users
>

Thanks for your reply, but
no, when I compile them with ghc and apply macosx-app which comes with th=
e
binary distr. of wxhaskell v0.4 I get the same result - just a blank wind=
ow.
When I use macosx-app built from the source of wxhaskell v0.9.4 the sampl=
e
program seems to need the Mac Classic environment, which I have not insta=
lled
at the moment. But I just learned that it is possible to install a classi=
c
folder on an existing OS X. I think I will give it a try except you still=
 have
a better idea.

Re: [wxhaskell-users] EnableGUI.hs for MacOSX

[Wolfgang T. <wol...@gm...>]

> Hi,
>
> I have read two previous postings of Wolfgang Thaller regarding an  
> EnableGUI.hs
> module for Mac OS X.
> I am using GHC 6.0.1 and wxHaskell 0.9.4 and have downloaded the  
> current
> available EnableGUI.hs module from the wxhaskell page, but when I  
> try to run
> one of the wxhaskell sample programs I only get an empty window, no  
> buttons
> etc. (wxWidget 2.6.2 is installed and the samples I've tried work  
> fine).
> I assume this problem is due to I am using Mac OS X 10.2.8.
> Is there still an older version of EnableGUI.hs available which  
> runs on my
> system? Wolfgang mentioned one which uses some undocumented  
> functions which
> would be fine for me as I need it only to run on my machine.
>

The version at http://wxhaskell.sourceforge.net/download/EnableGUI.hs  
is still the one that uses the undocumented functions. Using  
undocumented functions is not that dangerous for the newer systems,  
as EnableGUI is only ever needed to run things from GHCi.
Do the wxhaskell sample programs work when you compile them & make  
them double-clickable, without relying on EnableGUI?

Cheers,

Wolfgang

[wxhaskell-users] EnableGUI.hs for MacOSX

[Falk B. <bu...@tc...>]

Hi,

I have read two previous postings of Wolfgang Thaller regarding an Enable=
GUI.hs
module for Mac OS X.
I am using GHC 6.0.1 and wxHaskell 0.9.4 and have downloaded the current
available EnableGUI.hs module from the wxhaskell page, but when I try to =
run
one of the wxhaskell sample programs I only get an empty window, no butto=
ns
etc. (wxWidget 2.6.2 is installed and the samples I've tried work fine).
I assume this problem is due to I am using Mac OS X 10.2.8.
Is there still an older version of EnableGUI.hs available which runs on m=
y
system? Wolfgang mentioned one which uses some undocumented functions whi=
ch
would be fine for me as I need it only to run on my machine.

Thanks
Falk

Re: [wxhaskell-users] Re: unicode support

[Eric Y. K. <Eri...@lo...>]

Hi,

On Sun, Sep 25, 2005 at 03:51:50 +0900, shelarcy wrote:
> I tested to build wxfuit's paddle sample on Mac OS X Tiger with GHC-6.4.1.
> paddle sample doesn't works well, it notices error messegage and
> display wrong picture - background color is black and objects are
> rendered only frame -, slide bar's top and bottom are reversed.

I have taken a look at wxFruit with wxhaskell.  Without the Unicode
patch, I get mostly the same symptoms:

http://www.loria.fr/~kow/tmp/paddle-macos-notunicode.png

The only thing is that I don't get the dynamic events warning, but=20
this is because I used wxWidgets 2.6.1.

In either case, it seems the problem is not related to Unicode stuff,
but to something else in wxWidgets.

P.S: In case it gets released, please disregard my call for testing wxFruit

--=20
Eric Kow                     http://www.loria.fr/~kow
PGP Key ID: 08AC04F9         Merci de corriger mon fran=E7ais.

Re: [wxhaskell-users] Re: unicode support

[Eric Y. K. <Eri...@lo...>]

Hi list,

We need some help testing something out.

I would like to know what the following sample application looks like
under Linux and Mac OS X without my unicode patch.  

Could some Mac or Linux users please compile the following sample app
and send us a screenshot along with any error messages?  I would like
to see if the errors are from my Unicode patch or something unrelated.

Below are the steps to take and the symptoms we get so you can
compare notes.

Many thanks!

Steps to take
-------------
Requirements: 
  GHC 6.4 (else let us know)
  wxWidgets 2.5 or 2.6.1 (let us know what version)
  wxhaskell 0.9.4 (vanilla, no unicode patch)

Get:
  Yampa Core: http://www.haskell.org/yampa/afrp-0.4-src.tgz
  WxFruit: http://zoo.cs.yale.edu/classes/cs490/03-04b/bartholomew.robinson/wxfruit-0.1.tar.gz
  afrp patch    (attached)
  wxfruit patch (attached)

Install AFRP:
   tar xzf afrp-0.4-src.tgz
   cd afrp-0.4
   patch -p1 < ../afrp-complete.diff
   runhaskell Setup.hs configure
   runhaskell Setup.hs build 
   sudo runhaskell Setup.hs install 
   sudo ranlib /usr/local/lib/afrp-0.4/libHSafrp-0.4.a
   cd ..
  
Compile wxFruit:
   tar xzf wxfruit-0.1.tgz
   cd wxfruit-0.1
   patch -p1 < ../wxfruit.diff
   ghc --make -package afrp -farrows paddle.hs
   # if on mac
   macosx-app a.out

Run it:
   ./a.out

Report errors and send a screen capture

Notes: (these are the same patches as shelarcy's)

Symptoms Mac (paddle-osx.png attached)
------------
On MacOS X 10.4, I get
  wxWidgets Debug Alert
  ../src/common/event.cpp(1327): assert "wxAssertFailure"
  failed: caller should check that we have dynamic events
  Do you want to stop the program?
  You can also choose [Cancel] to suppress further warnings.

And after selecting "No", i get the symptoms Shelarchy described (black
backgrounds, outline only being displayed), but otherwise things worked.

(ghc 6.4.1, wxWidgets 2.5.3 (system), wxhaskell-0.9.4 unicode)

Symptoms Linux (paddle-linux.png attached)
--------------
On Linux, things seem to work better, but the speed selector seems
neither to display correctly, nor work.

(ghc 6.4, wxWidgets 2.6.1, wxhaskell-0.9.4 unicode)

-- 
Eric Kow                     http://www.loria.fr/~kow
PGP Key ID: 08AC04F9         Merci de corriger mon français.