ad 1) It has been pointed out to me that you can call the enableGUI >> main only once; otherwise you get the problem I had

ad 2) I made a mistake in thinking that the a.out would always be used. So bad reading of the instructions from my side. Sorry.

†Doaitse


On Feb 16, 2007, at 1:40 PM, Doaitse Swierstra wrote:

When trying to run even the smallert wx program in my Mac OS X 10.4, Intel:

module Main where
import Graphics.UI.WX
import EnableGUI

main :: IO ()
main
† = start hello

hello :: IO ()
hello
† = do f† † <- frame† † [text := "Hello!"]
† † †† quit <- button f [text := "Quit", on command := close f]
† † †† set f [layout := widget quit]

I get:

koshka:~/Desktop/TestWX doaitse$ ghci -package wx -fglasgow-exts† Main.hs
†† ___† † † †† ___ _
† / _ \ /\† /\/ __(_)
/ /_\// /_/ / /† | |† † † GHC Interactive, version 6.6, for Haskell 98.
/ /_\\/ __† / /___| |† † † http://www.haskell.org/ghc/
\____/\/ /_/\____/|_|† † † Type :? for help.

Loading package base ... linking ... done.
Loading package haskell98 ... linking ... done.
Loading package wxcore-0.10.1 ... linking ... done.
Loading package wx-0.10.1 ... linking ... done.
[1 of 2] Compiling EnableGUI† † † † ( EnableGUI.hs, interpreted )
[2 of 2] Compiling Main† † † † † †† ( Main.hs, interpreted )
Ok, modules loaded: EnableGUI, Main.
*Main> enableGUI >> main
*Main> enableGUI >> main
Bus error
koshka:~/Desktop/TestWX doaitse$


So note that the first time the button appears, but the second time I try to run it I get the bus error.

This†doesn't look good to me ;-{{, but I have no idea what to do next?

The other unhealthy thing is that if I comment out the EnableGUI and use ghc, I get:

koshka:~/Desktop/TestWX doaitse$ ghc -package wx Main.hs
koshka:~/Desktop/TestWX doaitse$ /usr/local/wxhaskell/bin/macosx-app -v Main† † † † †
creating resource:
> /Developer/Tools/Rez -t APPL Carbon.r† -o Main
creating app directories:
- Main.app
- Main.app/Contents
- Main.app/Contents/MacOS
- Main.app/Contents/Resources
creating package info:
- Main.app/Contents/PkgInfo
done.

koshka:~/Desktop/TestWX doaitse$ open Main
2007-02-16 13:38:46.947 open[1770] LSOpenFromURLSpec() returned -10661 for application (null) urls file://localhost/Users/doaitse/Desktop/TestWX/Main.
koshka:~/Desktop/TestWX doaitse$


Anyone any ideas?

†Doaitse





On Oct 22, 2006, at 4:18 PM, Mads LindstrÝm wrote:

Hi all

Is there anybody who has an example of using context sensitive popup
menus?

I am especially interested in an example with a listbox, where one can
right-click an element and get a popup menu.


Greetings,

Mads LindstrÝm



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