gtk2hsでHello, world

Hello.cabal

-- Initial Hello.cabal generated by cabal init.  For further
-- documentation, see http://haskell.org/cabal/users-guide/

name:                Hello
version:             0.1.0.0
synopsis:            Hello world
-- description:
homepage:            http://foobar
license:             MIT
license-file:        LICENSE
author:              mmitou
maintainer:          ito_ma@worksap.co.jp
-- copyright:
-- category:
build-type:          Simple
cabal-version:       >=1.8

executable Hello
  main-is:           Main.hs
  -- other-modules:
  build-depends:     base ==4.6.*,
                     gtk ==0.12.4,
                     cairo ==0.12.4,
                     glib ==0.12.4,
                     pango ==0.12.4,
                     gio ==0.12.4

Main.hs

module Main where

import Graphics.UI.Gtk

main :: IO ()
main = do
    initGUI
    window <- windowNew
    button <- buttonNew
    set window [ containerBorderWidth := 10, containerChild := button ]
    set button [ buttonLabel := "Hello World" ]
    onClicked button (putStrLn "Hello!")
    onDestroy window mainQuit
    widgetShowAll window
    mainGUI

手順.md

• cabal-dev init
• Hello.cabalを編集する
• cabal-dev configure
• export PATH="${PWD}/cabal-dev/bin":${PATH}
• cabal-dev install gtk2hs-buildtools
• LANG=C cabal-dev install ** LANG=Cが無いと通らない