{-# LINE 1 "libraries\Win32\System\Win32\Info.hsc" #-}

{-# LINE 2 "libraries\Win32\System\Win32\Info.hsc" #-}
{-# LANGUAGE Trustworthy #-}

{-# LINE 4 "libraries\Win32\System\Win32\Info.hsc" #-}
-----------------------------------------------------------------------------
-- |
-- Module      :  System.Win32.Info
-- Copyright   :  (c) Alastair Reid, 1997-2003
-- License     :  BSD-style (see the file libraries/base/LICENSE)
--
-- Maintainer  :  Esa Ilari Vuokko <ei@vuokko.info>
-- Stability   :  provisional
-- Portability :  portable
--
-- A collection of FFI declarations for interfacing with Win32.
--
-----------------------------------------------------------------------------

module System.Win32.Info where

import Control.Exception (catch)
import Foreign.Marshal.Alloc (alloca)
import Foreign.Marshal.Array (allocaArray)
import Foreign.Ptr (Ptr, nullPtr)
import Foreign.Storable (Storable(..))
import System.IO.Error (isDoesNotExistError)
import System.Win32.Types (DWORD, LPCTSTR, LPTSTR, LPVOID, UINT, WORD)
import System.Win32.Types (failIfZero, peekTStringLen, withTString)


{-# LINE 32 "libraries\Win32\System\Win32\Info.hsc" #-}

#include "windows_cconv.h"


{-# LINE 36 "libraries\Win32\System\Win32\Info.hsc" #-}

----------------------------------------------------------------
-- Environment Strings
----------------------------------------------------------------

-- %fun ExpandEnvironmentStrings :: String -> IO String

----------------------------------------------------------------
-- Computer Name
----------------------------------------------------------------

-- %fun GetComputerName :: IO String
-- %fun SetComputerName :: String -> IO ()
-- %end free(arg1)

----------------------------------------------------------------
-- Hardware Profiles
----------------------------------------------------------------

-- %fun GetCurrentHwProfile :: IO HW_PROFILE_INFO

----------------------------------------------------------------
-- Keyboard Type
----------------------------------------------------------------

-- %fun GetKeyboardType :: KeyboardTypeKind -> IO KeyboardType

----------------------------------------------------------------
-- System Color
----------------------------------------------------------------

type SystemColor   = UINT

-- ToDo: This list is out of date.

cOLOR_SCROLLBAR       :: SystemColor
cOLOR_SCROLLBAR       =  0
cOLOR_BACKGROUND      :: SystemColor
cOLOR_BACKGROUND      =  1
cOLOR_ACTIVECAPTION   :: SystemColor
cOLOR_ACTIVECAPTION   =  2
cOLOR_INACTIVECAPTION  :: SystemColor
cOLOR_INACTIVECAPTION  =  3
cOLOR_MENU            :: SystemColor
cOLOR_MENU            =  4
cOLOR_WINDOW          :: SystemColor
cOLOR_WINDOW          =  5
cOLOR_WINDOWFRAME     :: SystemColor
cOLOR_WINDOWFRAME     =  6
cOLOR_MENUTEXT        :: SystemColor
cOLOR_MENUTEXT        =  7
cOLOR_WINDOWTEXT      :: SystemColor
cOLOR_WINDOWTEXT      =  8
cOLOR_CAPTIONTEXT     :: SystemColor
cOLOR_CAPTIONTEXT     =  9
cOLOR_ACTIVEBORDER    :: SystemColor
cOLOR_ACTIVEBORDER    =  10
cOLOR_INACTIVEBORDER  :: SystemColor
cOLOR_INACTIVEBORDER  =  11
cOLOR_APPWORKSPACE    :: SystemColor
cOLOR_APPWORKSPACE    =  12
cOLOR_HIGHLIGHT       :: SystemColor
cOLOR_HIGHLIGHT       =  13
cOLOR_HIGHLIGHTTEXT   :: SystemColor
cOLOR_HIGHLIGHTTEXT   =  14
cOLOR_BTNFACE         :: SystemColor
cOLOR_BTNFACE         =  15
cOLOR_BTNSHADOW       :: SystemColor
cOLOR_BTNSHADOW       =  16
cOLOR_GRAYTEXT        :: SystemColor
cOLOR_GRAYTEXT        =  17
cOLOR_BTNTEXT         :: SystemColor
cOLOR_BTNTEXT         =  18
cOLOR_INACTIVECAPTIONTEXT  :: SystemColor
cOLOR_INACTIVECAPTIONTEXT  =  19
cOLOR_BTNHIGHLIGHT    :: SystemColor
cOLOR_BTNHIGHLIGHT    =  20

{-# LINE 94 "libraries\Win32\System\Win32\Info.hsc" #-}

-- %fun GetSysColor :: SystemColor -> IO COLORREF
-- %fun SetSysColors :: [(SystemColor,COLORREF)] -> IO ()

----------------------------------------------------------------
-- Standard Directories
----------------------------------------------------------------

getSystemDirectory :: IO String
getSystemDirectory = try "GetSystemDirectory" c_getSystemDirectory 512

getWindowsDirectory :: IO String
getWindowsDirectory = try "GetWindowsDirectory" c_getWindowsDirectory 512

getCurrentDirectory :: IO String
getCurrentDirectory = try "GetCurrentDirectory" (flip c_getCurrentDirectory) 512
getTemporaryDirectory :: IO String
getTemporaryDirectory = try "GetTempPath" (flip c_getTempPath) 512

getFullPathName :: FilePath -> IO FilePath
getFullPathName name = do
  withTString name $ \ c_name ->
    try "getFullPathName"
      (\buf len -> c_GetFullPathName c_name len buf nullPtr) 512

searchPath :: Maybe String -> FilePath -> String -> IO (Maybe FilePath)
searchPath path filename ext =
  maybe ($ nullPtr) withTString path $ \p_path ->
  withTString filename $ \p_filename ->
  withTString ext      $ \p_ext ->
  alloca $ \ppFilePart -> (do
    s <- try "searchPath" (\buf len -> c_SearchPath p_path p_filename p_ext
                          len buf ppFilePart) 512
    return (Just s))
     `catch` \e -> if isDoesNotExistError e
                       then return Nothing
                       else ioError e

-- Support for API calls that are passed a fixed-size buffer and tell
-- you via the return value if the buffer was too small.  In that
-- case, we double the buffer size and try again.
try :: String -> (LPTSTR -> UINT -> IO UINT) -> UINT -> IO String
try loc f n = do
   e <- allocaArray (fromIntegral n) $ \lptstr -> do
	  r <- failIfZero loc $ f lptstr n
	  if (r > n) then return (Left r) else do
	    str <- peekTStringLen (lptstr, fromIntegral r)
	    return (Right str)
   case e of
	Left n    -> try loc f n   
	Right str -> return str

foreign import WINDOWS_CCONV unsafe "GetWindowsDirectoryW"
  c_getWindowsDirectory :: LPTSTR -> UINT -> IO UINT

foreign import WINDOWS_CCONV unsafe "GetSystemDirectoryW"
  c_getSystemDirectory :: LPTSTR -> UINT -> IO UINT

foreign import WINDOWS_CCONV unsafe "GetCurrentDirectoryW"
  c_getCurrentDirectory :: DWORD -> LPTSTR -> IO UINT

foreign import WINDOWS_CCONV unsafe "GetTempPathW"
  c_getTempPath :: DWORD -> LPTSTR -> IO UINT

foreign import WINDOWS_CCONV unsafe "GetFullPathNameW"
  c_GetFullPathName :: LPCTSTR -> DWORD -> LPTSTR -> Ptr LPTSTR -> IO DWORD

foreign import WINDOWS_CCONV unsafe "SearchPathW"
  c_SearchPath :: LPCTSTR -> LPCTSTR -> LPCTSTR -> DWORD -> LPTSTR -> Ptr LPTSTR
               -> IO DWORD

----------------------------------------------------------------
-- System Info (Info about processor and memory subsystem)
----------------------------------------------------------------

data ProcessorArchitecture = PaUnknown WORD | PaIntel | PaMips | PaAlpha | PaPpc | PaIa64 | PaIa32OnIa64 | PaAmd64
    deriving (Show,Eq)

instance Storable ProcessorArchitecture where
    sizeOf _ = sizeOf (undefined::WORD)
    alignment _ = alignment (undefined::WORD)
    poke buf pa = pokeByteOff buf 0 $ case pa of
        PaUnknown w -> w
        PaIntel     -> 0
{-# LINE 178 "libraries\Win32\System\Win32\Info.hsc" #-}
        PaMips      -> 1
{-# LINE 179 "libraries\Win32\System\Win32\Info.hsc" #-}
        PaAlpha     -> 2
{-# LINE 180 "libraries\Win32\System\Win32\Info.hsc" #-}
        PaPpc       -> 3
{-# LINE 181 "libraries\Win32\System\Win32\Info.hsc" #-}
        PaIa64      -> 6
{-# LINE 182 "libraries\Win32\System\Win32\Info.hsc" #-}

{-# LINE 183 "libraries\Win32\System\Win32\Info.hsc" #-}
        PaIa32OnIa64 -> 10
{-# LINE 184 "libraries\Win32\System\Win32\Info.hsc" #-}

{-# LINE 185 "libraries\Win32\System\Win32\Info.hsc" #-}
        PaAmd64     -> 9
{-# LINE 186 "libraries\Win32\System\Win32\Info.hsc" #-}
    peek buf = do
        v <- (peekByteOff buf 0:: IO WORD)
        return $ case v of
            (0) -> PaIntel
{-# LINE 190 "libraries\Win32\System\Win32\Info.hsc" #-}
            (1)  -> PaMips
{-# LINE 191 "libraries\Win32\System\Win32\Info.hsc" #-}
            (2) -> PaAlpha
{-# LINE 192 "libraries\Win32\System\Win32\Info.hsc" #-}
            (3)   -> PaPpc
{-# LINE 193 "libraries\Win32\System\Win32\Info.hsc" #-}
            (6)  -> PaIa64
{-# LINE 194 "libraries\Win32\System\Win32\Info.hsc" #-}

{-# LINE 195 "libraries\Win32\System\Win32\Info.hsc" #-}
            (10) -> PaIa32OnIa64
{-# LINE 196 "libraries\Win32\System\Win32\Info.hsc" #-}

{-# LINE 197 "libraries\Win32\System\Win32\Info.hsc" #-}
            (9) -> PaAmd64
{-# LINE 198 "libraries\Win32\System\Win32\Info.hsc" #-}
            w                                   -> PaUnknown w

data SYSTEM_INFO = SYSTEM_INFO
    { siProcessorArchitecture :: ProcessorArchitecture
    , siPageSize :: DWORD
    , siMinimumApplicationAddress, siMaximumApplicationAddress :: LPVOID
    , siActiveProcessorMask :: DWORD
    , siNumberOfProcessors :: DWORD
    , siProcessorType :: DWORD
    , siAllocationGranularity :: DWORD
    , siProcessorLevel :: WORD
    , siProcessorRevision :: WORD
    } deriving (Show)

instance Storable SYSTEM_INFO where
    sizeOf = const (48)
{-# LINE 214 "libraries\Win32\System\Win32\Info.hsc" #-}
    alignment = sizeOf
    poke buf si = do
        ((\hsc_ptr -> pokeByteOff hsc_ptr 0)) buf (siProcessorArchitecture si)
{-# LINE 217 "libraries\Win32\System\Win32\Info.hsc" #-}
        ((\hsc_ptr -> pokeByteOff hsc_ptr 4))             buf (siPageSize si)
{-# LINE 218 "libraries\Win32\System\Win32\Info.hsc" #-}
        ((\hsc_ptr -> pokeByteOff hsc_ptr 8)) buf (siMinimumApplicationAddress si)
{-# LINE 219 "libraries\Win32\System\Win32\Info.hsc" #-}
        ((\hsc_ptr -> pokeByteOff hsc_ptr 16)) buf (siMaximumApplicationAddress si)
{-# LINE 220 "libraries\Win32\System\Win32\Info.hsc" #-}
        ((\hsc_ptr -> pokeByteOff hsc_ptr 24))  buf (siActiveProcessorMask si)
{-# LINE 221 "libraries\Win32\System\Win32\Info.hsc" #-}
        ((\hsc_ptr -> pokeByteOff hsc_ptr 32))   buf (siNumberOfProcessors si)
{-# LINE 222 "libraries\Win32\System\Win32\Info.hsc" #-}
        ((\hsc_ptr -> pokeByteOff hsc_ptr 36))        buf (siProcessorType si)
{-# LINE 223 "libraries\Win32\System\Win32\Info.hsc" #-}
        ((\hsc_ptr -> pokeByteOff hsc_ptr 40)) buf (siAllocationGranularity si)
{-# LINE 224 "libraries\Win32\System\Win32\Info.hsc" #-}
        ((\hsc_ptr -> pokeByteOff hsc_ptr 44))        buf (siProcessorLevel si)
{-# LINE 225 "libraries\Win32\System\Win32\Info.hsc" #-}
        ((\hsc_ptr -> pokeByteOff hsc_ptr 46))     buf (siProcessorRevision si)
{-# LINE 226 "libraries\Win32\System\Win32\Info.hsc" #-}

    peek buf = do
        processorArchitecture <-
            ((\hsc_ptr -> peekByteOff hsc_ptr 0)) buf
{-# LINE 230 "libraries\Win32\System\Win32\Info.hsc" #-}
        pageSize            <- ((\hsc_ptr -> peekByteOff hsc_ptr 4)) buf
{-# LINE 231 "libraries\Win32\System\Win32\Info.hsc" #-}
        minimumApplicationAddress <-
            ((\hsc_ptr -> peekByteOff hsc_ptr 8)) buf
{-# LINE 233 "libraries\Win32\System\Win32\Info.hsc" #-}
        maximumApplicationAddress <-
            ((\hsc_ptr -> peekByteOff hsc_ptr 16)) buf
{-# LINE 235 "libraries\Win32\System\Win32\Info.hsc" #-}
        activeProcessorMask <- ((\hsc_ptr -> peekByteOff hsc_ptr 24)) buf
{-# LINE 236 "libraries\Win32\System\Win32\Info.hsc" #-}
        numberOfProcessors  <- ((\hsc_ptr -> peekByteOff hsc_ptr 32)) buf
{-# LINE 237 "libraries\Win32\System\Win32\Info.hsc" #-}
        processorType       <- ((\hsc_ptr -> peekByteOff hsc_ptr 36)) buf
{-# LINE 238 "libraries\Win32\System\Win32\Info.hsc" #-}
        allocationGranularity <-
            ((\hsc_ptr -> peekByteOff hsc_ptr 40)) buf
{-# LINE 240 "libraries\Win32\System\Win32\Info.hsc" #-}
        processorLevel      <- ((\hsc_ptr -> peekByteOff hsc_ptr 44)) buf
{-# LINE 241 "libraries\Win32\System\Win32\Info.hsc" #-}
        processorRevision   <- ((\hsc_ptr -> peekByteOff hsc_ptr 46)) buf
{-# LINE 242 "libraries\Win32\System\Win32\Info.hsc" #-}
        return $ SYSTEM_INFO {
            siProcessorArchitecture     = processorArchitecture,
            siPageSize                  = pageSize,
            siMinimumApplicationAddress = minimumApplicationAddress,
            siMaximumApplicationAddress = maximumApplicationAddress,
            siActiveProcessorMask       = activeProcessorMask,
            siNumberOfProcessors        = numberOfProcessors,
            siProcessorType             = processorType,
            siAllocationGranularity     = allocationGranularity,
            siProcessorLevel            = processorLevel,
            siProcessorRevision         = processorRevision
            }

foreign import WINDOWS_CCONV unsafe "windows.h GetSystemInfo"
    c_GetSystemInfo :: Ptr SYSTEM_INFO -> IO ()

getSystemInfo :: IO SYSTEM_INFO
getSystemInfo = alloca $ \ret -> do
    c_GetSystemInfo ret
    peek ret

----------------------------------------------------------------
-- System metrics
----------------------------------------------------------------

type SMSetting = UINT

sM_ARRANGE            :: SMSetting
sM_ARRANGE            =  56
sM_CLEANBOOT          :: SMSetting
sM_CLEANBOOT          =  67
sM_CMETRICS           :: SMSetting
sM_CMETRICS           =  90
sM_CMOUSEBUTTONS      :: SMSetting
sM_CMOUSEBUTTONS      =  43
sM_CXBORDER           :: SMSetting
sM_CXBORDER           =  5
sM_CYBORDER           :: SMSetting
sM_CYBORDER           =  6
sM_CXCURSOR           :: SMSetting
sM_CXCURSOR           =  13
sM_CYCURSOR           :: SMSetting
sM_CYCURSOR           =  14
sM_CXDLGFRAME         :: SMSetting
sM_CXDLGFRAME         =  7
sM_CYDLGFRAME         :: SMSetting
sM_CYDLGFRAME         =  8
sM_CXDOUBLECLK        :: SMSetting
sM_CXDOUBLECLK        =  36
sM_CYDOUBLECLK        :: SMSetting
sM_CYDOUBLECLK        =  37
sM_CXDRAG             :: SMSetting
sM_CXDRAG             =  68
sM_CYDRAG             :: SMSetting
sM_CYDRAG             =  69
sM_CXEDGE             :: SMSetting
sM_CXEDGE             =  45
sM_CYEDGE             :: SMSetting
sM_CYEDGE             =  46
sM_CXFRAME            :: SMSetting
sM_CXFRAME            =  32
sM_CYFRAME            :: SMSetting
sM_CYFRAME            =  33
sM_CXFULLSCREEN       :: SMSetting
sM_CXFULLSCREEN       =  16
sM_CYFULLSCREEN       :: SMSetting
sM_CYFULLSCREEN       =  17
sM_CXHSCROLL          :: SMSetting
sM_CXHSCROLL          =  21
sM_CYVSCROLL          :: SMSetting
sM_CYVSCROLL          =  20
sM_CXICON             :: SMSetting
sM_CXICON             =  11
sM_CYICON             :: SMSetting
sM_CYICON             =  12
sM_CXICONSPACING      :: SMSetting
sM_CXICONSPACING      =  38
sM_CYICONSPACING      :: SMSetting
sM_CYICONSPACING      =  39
sM_CXMAXIMIZED        :: SMSetting
sM_CXMAXIMIZED        =  61
sM_CYMAXIMIZED        :: SMSetting
sM_CYMAXIMIZED        =  62
sM_CXMENUCHECK        :: SMSetting
sM_CXMENUCHECK        =  71
sM_CYMENUCHECK        :: SMSetting
sM_CYMENUCHECK        =  72
sM_CXMENUSIZE         :: SMSetting
sM_CXMENUSIZE         =  54
sM_CYMENUSIZE         :: SMSetting
sM_CYMENUSIZE         =  55
sM_CXMIN              :: SMSetting
sM_CXMIN              =  28
sM_CYMIN              :: SMSetting
sM_CYMIN              =  29
sM_CXMINIMIZED        :: SMSetting
sM_CXMINIMIZED        =  57
sM_CYMINIMIZED        :: SMSetting
sM_CYMINIMIZED        =  58
sM_CXMINTRACK         :: SMSetting
sM_CXMINTRACK         =  34
sM_CYMINTRACK         :: SMSetting
sM_CYMINTRACK         =  35
sM_CXSCREEN           :: SMSetting
sM_CXSCREEN           =  0
sM_CYSCREEN           :: SMSetting
sM_CYSCREEN           =  1
sM_CXSIZE             :: SMSetting
sM_CXSIZE             =  30
sM_CYSIZE             :: SMSetting
sM_CYSIZE             =  31
sM_CXSIZEFRAME        :: SMSetting
sM_CXSIZEFRAME        =  32
sM_CYSIZEFRAME        :: SMSetting
sM_CYSIZEFRAME        =  33
sM_CXSMICON           :: SMSetting
sM_CXSMICON           =  49
sM_CYSMICON           :: SMSetting
sM_CYSMICON           =  50
sM_CXSMSIZE           :: SMSetting
sM_CXSMSIZE           =  52
sM_CYSMSIZE           :: SMSetting
sM_CYSMSIZE           =  53
sM_CXVSCROLL          :: SMSetting
sM_CXVSCROLL          =  2
sM_CYHSCROLL          :: SMSetting
sM_CYHSCROLL          =  3
sM_CYVTHUMB           :: SMSetting
sM_CYVTHUMB           =  9
sM_CYCAPTION          :: SMSetting
sM_CYCAPTION          =  4
sM_CYKANJIWINDOW      :: SMSetting
sM_CYKANJIWINDOW      =  18
sM_CYMENU             :: SMSetting
sM_CYMENU             =  15
sM_CYSMCAPTION        :: SMSetting
sM_CYSMCAPTION        =  51
sM_DBCSENABLED        :: SMSetting
sM_DBCSENABLED        =  42
sM_DEBUG              :: SMSetting
sM_DEBUG              =  22
sM_MENUDROPALIGNMENT  :: SMSetting
sM_MENUDROPALIGNMENT  =  40
sM_MIDEASTENABLED     :: SMSetting
sM_MIDEASTENABLED     =  74
sM_MOUSEPRESENT       :: SMSetting
sM_MOUSEPRESENT       =  19
sM_NETWORK            :: SMSetting
sM_NETWORK            =  63
sM_PENWINDOWS         :: SMSetting
sM_PENWINDOWS         =  41
sM_SECURE             :: SMSetting
sM_SECURE             =  44
sM_SHOWSOUNDS         :: SMSetting
sM_SHOWSOUNDS         =  70
sM_SLOWMACHINE        :: SMSetting
sM_SLOWMACHINE        =  73
sM_SWAPBUTTON         :: SMSetting
sM_SWAPBUTTON         =  23

{-# LINE 337 "libraries\Win32\System\Win32\Info.hsc" #-}

-- %fun GetSystemMetrics :: SMSetting -> IO Int

----------------------------------------------------------------
-- Thread Desktops
----------------------------------------------------------------

-- %fun GetThreadDesktop :: ThreadId -> IO HDESK
-- %fun SetThreadDesktop :: ThreadId -> HDESK -> IO ()

----------------------------------------------------------------
-- User name
----------------------------------------------------------------

-- %fun GetUserName :: IO String

----------------------------------------------------------------
-- Version Info
----------------------------------------------------------------

-- %fun GetVersionEx :: IO VersionInfo
--
-- typedef struct _OSVERSIONINFO{
--     DWORD dwOSVersionInfoSize;
--     DWORD dwMajorVersion;
--     DWORD dwMinorVersion;
--     DWORD dwBuildNumber;
--     DWORD dwPlatformId;
--     TCHAR szCSDVersion[ 128 ];
-- } OSVERSIONINFO;

----------------------------------------------------------------
-- Processor features
----------------------------------------------------------------

--
-- Including these lines causes problems on Win95
-- %fun IsProcessorFeaturePresent :: ProcessorFeature -> Bool
--
-- type ProcessorFeature   = DWORD
-- %dis processorFeature x = dWORD x
--
-- %const ProcessorFeature
-- % [ PF_FLOATING_POINT_PRECISION_ERRATA
-- % , PF_FLOATING_POINT_EMULATED
-- % , PF_COMPARE_EXCHANGE_DOUBLE
-- % , PF_MMX_INSTRUCTIONS_AVAILABLE
-- % ]

----------------------------------------------------------------
-- System Parameter Information
----------------------------------------------------------------

-- %fun SystemParametersInfo :: ?? -> Bool -> IO ??

----------------------------------------------------------------
-- End
----------------------------------------------------------------