{-# LINE 1 "Graphics/X11/Xlib/Extras.hsc" #-}
{-# LANGUAGE DeriveDataTypeable #-}
{-# LINE 2 "Graphics/X11/Xlib/Extras.hsc" #-}
-----------------------------------------------------------------------------
-- |
-- Module      : Graphics.X11.Xlib.Extras
-- Copyright   : 2007 (c) Spencer Janssen
-- License     : BSD3-style (see LICENSE)
-- Stability   : experimental
--
-----------------------------------------------------------------------------
--
-- missing functionality from the X11 library
--

module Graphics.X11.Xlib.Extras where

import Data.Maybe
import Data.Typeable ( Typeable )
import Graphics.X11.Xrandr
import Graphics.X11.Xlib
import Graphics.X11.Xlib.Types
import Foreign (Storable, Ptr, peek, poke, peekElemOff, pokeElemOff, peekByteOff, pokeByteOff, peekArray, throwIfNull, nullPtr, sizeOf, alignment, alloca, with, throwIf, Word8, Word16, Word32, Int32, plusPtr, castPtr, withArrayLen, setBit, testBit, allocaBytes, FunPtr)
{-# LINE 22 "Graphics/X11/Xlib/Extras.hsc" #-}
import Foreign.C.Types
import Foreign.C.String
import Control.Monad

import System.IO.Unsafe


{-# LINE 29 "Graphics/X11/Xlib/Extras.hsc" #-}

data Event
    = AnyEvent
        { ev_event_type            :: !EventType
        , ev_serial                :: !CULong
        , ev_send_event            :: !Bool
        , ev_event_display         :: Display
        , ev_window                :: !Window
        }
    | ConfigureRequestEvent
        { ev_event_type            :: !EventType
        , ev_serial                :: !CULong
        , ev_send_event            :: !Bool
        , ev_event_display         :: Display
        , ev_parent                :: !Window
        , ev_window                :: !Window
        , ev_x                     :: !CInt
        , ev_y                     :: !CInt
        , ev_width                 :: !CInt
        , ev_height                :: !CInt
        , ev_border_width          :: !CInt
        , ev_above                 :: !Window
        , ev_detail                :: !NotifyDetail
        , ev_value_mask            :: !CULong
        }
    | ConfigureEvent
        { ev_event_type            :: !EventType
        , ev_serial                :: !CULong
        , ev_send_event            :: !Bool
        , ev_event_display         :: Display
        , ev_event                 :: !Window
        , ev_window                :: !Window
        , ev_x                     :: !CInt
        , ev_y                     :: !CInt
        , ev_width                 :: !CInt
        , ev_height                :: !CInt
        , ev_border_width          :: !CInt
        , ev_above                 :: !Window
        , ev_override_redirect     :: !Bool
        }
    | MapRequestEvent
        { ev_event_type            :: !EventType
        , ev_serial                :: !CULong
        , ev_send_event            :: !Bool
        , ev_event_display         :: Display
        , ev_parent                :: !Window
        , ev_window                :: !Window
        }
    | KeyEvent
        { ev_event_type            :: !EventType
        , ev_serial                :: !CULong
        , ev_send_event            :: !Bool
        , ev_event_display         :: Display
        , ev_window                :: !Window
        , ev_root                  :: !Window
        , ev_subwindow             :: !Window
        , ev_time                  :: !Time
        , ev_x                     :: !CInt
        , ev_y                     :: !CInt
        , ev_x_root                :: !CInt
        , ev_y_root                :: !CInt
        , ev_state                 :: !KeyMask
        , ev_keycode               :: !KeyCode
        , ev_same_screen           :: !Bool
        }
    | ButtonEvent
        { ev_event_type            :: !EventType
        , ev_serial                :: !CULong
        , ev_send_event            :: !Bool
        , ev_event_display         :: Display
        , ev_window                :: !Window
        , ev_root                  :: !Window
        , ev_subwindow             :: !Window
        , ev_time                  :: !Time
        , ev_x                     :: !CInt
        , ev_y                     :: !CInt
        , ev_x_root                :: !CInt
        , ev_y_root                :: !CInt
        , ev_state                 :: !KeyMask
        , ev_button                :: !Button
        , ev_same_screen           :: !Bool
        }
    | MotionEvent
        { ev_event_type            :: !EventType
        , ev_serial                :: !CULong
        , ev_send_event            :: !Bool
        , ev_event_display         :: Display
        , ev_x                     :: !CInt
        , ev_y                     :: !CInt
        , ev_window                :: !Window
        }
    | DestroyWindowEvent
        { ev_event_type            :: !EventType
        , ev_serial                :: !CULong
        , ev_send_event            :: !Bool
        , ev_event_display         :: Display
        , ev_event                 :: !Window
        , ev_window                :: !Window
        }
    | UnmapEvent
        { ev_event_type            :: !EventType
        , ev_serial                :: !CULong
        , ev_send_event            :: !Bool
        , ev_event_display         :: Display
        , ev_event                 :: !Window
        , ev_window                :: !Window
        , ev_from_configure        :: !Bool
        }
    | MapNotifyEvent
        { ev_event_type            :: !EventType
        , ev_serial                :: !CULong
        , ev_send_event            :: !Bool
        , ev_event_display         :: Display
        , ev_event                 :: !Window
        , ev_window                :: !Window
        , ev_override_redirect     :: !Bool
        }
    | MappingNotifyEvent
        { ev_event_type            :: !EventType
        , ev_serial                :: !CULong
        , ev_send_event            :: !Bool
        , ev_event_display         :: Display
        , ev_window                :: !Window
        , ev_request               :: !MappingRequest
        , ev_first_keycode         :: !KeyCode
        , ev_count                 :: !CInt
        }
    | CrossingEvent
        { ev_event_type            :: !EventType
        , ev_serial                :: !CULong
        , ev_send_event            :: !Bool
        , ev_event_display         :: Display
        , ev_window                :: !Window
        , ev_root                  :: !Window
        , ev_subwindow             :: !Window
        , ev_time                  :: !Time
        , ev_x                     :: !CInt
        , ev_y                     :: !CInt
        , ev_x_root                :: !CInt
        , ev_y_root                :: !CInt
        , ev_mode                  :: !NotifyMode
        , ev_detail                :: !NotifyDetail
        , ev_same_screen           :: !Bool
        , ev_focus                 :: !Bool
        , ev_state                 :: !Modifier
        }
    | SelectionRequest
        { ev_event_type            :: !EventType
        , ev_serial                :: !CULong
        , ev_send_event            :: !Bool
        , ev_event_display         :: Display
        , ev_owner                 :: !Window
        , ev_requestor             :: !Window
        , ev_selection             :: !Atom
        , ev_target                :: !Atom
        , ev_property              :: !Atom
        , ev_time                  :: !Time
        }
    | PropertyEvent
        { ev_event_type            :: !EventType
        , ev_serial                :: !CULong
        , ev_send_event            :: !Bool
        , ev_event_display         :: Display
        , ev_window                :: !Window
        , ev_atom                  :: !Atom
        , ev_time                  :: !Time
        , ev_propstate             :: !CInt
        }
    | ExposeEvent
        { ev_event_type            :: !EventType
        , ev_serial                :: !CULong
        , ev_send_event            :: !Bool
        , ev_event_display         :: Display
        , ev_window                :: !Window
        , ev_x                     :: !CInt
        , ev_y                     :: !CInt
        , ev_width                 :: !CInt
        , ev_height                :: !CInt
        , ev_count                 :: !CInt
        }
    | ClientMessageEvent
        { ev_event_type            :: !EventType
        , ev_serial                :: !CULong
        , ev_send_event            :: !Bool
        , ev_event_display         :: Display
        , ev_window                :: !Window
        , ev_message_type          :: !Atom
        , ev_data                  :: ![CInt]
        }
    | RRScreenChangeNotifyEvent
        { ev_event_type            :: !EventType
        , ev_serial                :: !CULong
        , ev_send_event            :: !Bool
        , ev_event_display         :: Display
        , ev_window                :: !Window
        , ev_root                  :: !Window
        , ev_timestamp             :: !Time
        , ev_config_timestamp      :: !Time
        , ev_size_index            :: !SizeID
        , ev_subpixel_order        :: !SubpixelOrder
        , ev_rotation              :: !Rotation
        , ev_width                 :: !CInt
        , ev_height                :: !CInt
        , ev_mwidth                :: !CInt
        , ev_mheight               :: !CInt
        }
    | RRNotifyEvent
        { ev_event_type            :: !EventType
        , ev_serial                :: !CULong
        , ev_send_event            :: !Bool
        , ev_event_display         :: Display
        , ev_window                :: !Window
        , ev_subtype               :: !CInt
        }
    | RRCrtcChangeNotifyEvent
        { ev_event_type            :: !EventType
        , ev_serial                :: !CULong
        , ev_send_event            :: !Bool
        , ev_event_display         :: Display
        , ev_window                :: !Window
        , ev_subtype               :: !CInt
        , ev_crtc                  :: !RRCrtc
        , ev_rr_mode               :: !RRMode
        , ev_rotation              :: !Rotation
        , ev_x                     :: !CInt
        , ev_y                     :: !CInt
        , ev_rr_width              :: !CUInt
        , ev_rr_height             :: !CUInt
        }
    | RROutputChangeNotifyEvent
        { ev_event_type            :: !EventType
        , ev_serial                :: !CULong
        , ev_send_event            :: !Bool
        , ev_event_display         :: Display
        , ev_window                :: !Window
        , ev_subtype               :: !CInt
        , ev_output                :: !RROutput
        , ev_crtc                  :: !RRCrtc
        , ev_rr_mode               :: !RRMode
        , ev_rotation              :: !Rotation
        , ev_connection            :: !Connection
        , ev_subpixel_order        :: !SubpixelOrder
        }
    | RROutputPropertyNotifyEvent
        { ev_event_type            :: !EventType
        , ev_serial                :: !CULong
        , ev_send_event            :: !Bool
        , ev_event_display         :: Display
        , ev_window                :: !Window
        , ev_subtype               :: !CInt
        , ev_output                :: !RROutput
        , ev_property              :: !Atom
        , ev_timestamp             :: !Time
        , ev_rr_state              :: !CInt
        }

    deriving ( Show, Typeable )

eventTable :: [(EventType, String)]
eventTable =
    [ (keyPress             , "KeyPress")
    , (keyRelease           , "KeyRelease")
    , (buttonPress          , "ButtonPress")
    , (buttonRelease        , "ButtonRelease")
    , (motionNotify         , "MotionNotify")
    , (enterNotify          , "EnterNotify")
    , (leaveNotify          , "LeaveNotify")
    , (focusIn              , "FocusIn")
    , (focusOut             , "FocusOut")
    , (keymapNotify         , "KeymapNotify")
    , (expose               , "Expose")
    , (graphicsExpose       , "GraphicsExpose")
    , (noExpose             , "NoExpose")
    , (visibilityNotify     , "VisibilityNotify")
    , (createNotify         , "CreateNotify")
    , (destroyNotify        , "DestroyNotify")
    , (unmapNotify          , "UnmapNotify")
    , (mapNotify            , "MapNotify")
    , (mapRequest           , "MapRequest")
    , (reparentNotify       , "ReparentNotify")
    , (configureNotify      , "ConfigureNotify")
    , (configureRequest     , "ConfigureRequest")
    , (gravityNotify        , "GravityNotify")
    , (resizeRequest        , "ResizeRequest")
    , (circulateNotify      , "CirculateNotify")
    , (circulateRequest     , "CirculateRequest")
    , (propertyNotify       , "PropertyNotify")
    , (selectionClear       , "SelectionClear")
    , (selectionRequest     , "SelectionRequest")
    , (selectionNotify      , "SelectionNotify")
    , (colormapNotify       , "ColormapNotify")
    , (clientMessage        , "ClientMessage")
    , (mappingNotify        , "MappingNotify")
    , (lASTEvent            , "LASTEvent")
    ]

eventName :: Event -> String
eventName e = maybe ("unknown " ++ show x) id $ lookup x eventTable
 where x = fromIntegral $ ev_event_type e

getEvent :: XEventPtr -> IO Event
getEvent p = do
    -- All events share this layout and naming convention, there is also a
    -- common Window field, but the names for this field vary.
    type_      <- (\hsc_ptr -> peekByteOff hsc_ptr 0) p
{-# LINE 334 "Graphics/X11/Xlib/Extras.hsc" #-}
    serial     <- (\hsc_ptr -> peekByteOff hsc_ptr 4) p
{-# LINE 335 "Graphics/X11/Xlib/Extras.hsc" #-}
    send_event <- (\hsc_ptr -> peekByteOff hsc_ptr 8) p
{-# LINE 336 "Graphics/X11/Xlib/Extras.hsc" #-}
    display    <- fmap Display ((\hsc_ptr -> peekByteOff hsc_ptr 12) p)
{-# LINE 337 "Graphics/X11/Xlib/Extras.hsc" #-}
    rrData     <- xrrQueryExtension display
    let rrHasExtension = isJust rrData
    let rrEventBase    = fromIntegral $ fst $ fromMaybe (0, 0) rrData
    case () of

        -------------------------
        -- ConfigureRequestEvent:
        -------------------------
        _ | type_ == configureRequest -> do
            parent       <- (\hsc_ptr -> peekByteOff hsc_ptr 16) p
{-# LINE 347 "Graphics/X11/Xlib/Extras.hsc" #-}
            window       <- (\hsc_ptr -> peekByteOff hsc_ptr 20) p
{-# LINE 348 "Graphics/X11/Xlib/Extras.hsc" #-}
            x            <- (\hsc_ptr -> peekByteOff hsc_ptr 24) p
{-# LINE 349 "Graphics/X11/Xlib/Extras.hsc" #-}
            y            <- (\hsc_ptr -> peekByteOff hsc_ptr 28) p
{-# LINE 350 "Graphics/X11/Xlib/Extras.hsc" #-}
            width        <- (\hsc_ptr -> peekByteOff hsc_ptr 32) p
{-# LINE 351 "Graphics/X11/Xlib/Extras.hsc" #-}
            height       <- (\hsc_ptr -> peekByteOff hsc_ptr 36) p
{-# LINE 352 "Graphics/X11/Xlib/Extras.hsc" #-}
            border_width <- (\hsc_ptr -> peekByteOff hsc_ptr 40) p
{-# LINE 353 "Graphics/X11/Xlib/Extras.hsc" #-}
            above        <- (\hsc_ptr -> peekByteOff hsc_ptr 44) p
{-# LINE 354 "Graphics/X11/Xlib/Extras.hsc" #-}
            detail       <- (\hsc_ptr -> peekByteOff hsc_ptr 48) p
{-# LINE 355 "Graphics/X11/Xlib/Extras.hsc" #-}
            value_mask   <- (\hsc_ptr -> peekByteOff hsc_ptr 52) p
{-# LINE 356 "Graphics/X11/Xlib/Extras.hsc" #-}
            return $ ConfigureRequestEvent
                        { ev_event_type    = type_
                        , ev_serial        = serial
                        , ev_send_event    = send_event
                        , ev_event_display = display
                        , ev_parent        = parent
                        , ev_window        = window
                        , ev_x             = x
                        , ev_y             = y
                        , ev_width         = width
                        , ev_height        = height
                        , ev_border_width  = border_width
                        , ev_above         = above
                        , ev_detail        = detail
                        , ev_value_mask    = value_mask
                        }

          ------------------
          -- ConfigureEvent:
          ------------------
          | type_ == configureNotify -> do
            return (ConfigureEvent type_ serial send_event display)
                `ap` (\hsc_ptr -> peekByteOff hsc_ptr 16) p
{-# LINE 379 "Graphics/X11/Xlib/Extras.hsc" #-}
                `ap` (\hsc_ptr -> peekByteOff hsc_ptr 20) p
{-# LINE 380 "Graphics/X11/Xlib/Extras.hsc" #-}
                `ap` (\hsc_ptr -> peekByteOff hsc_ptr 24) p
{-# LINE 381 "Graphics/X11/Xlib/Extras.hsc" #-}
                `ap` (\hsc_ptr -> peekByteOff hsc_ptr 28) p
{-# LINE 382 "Graphics/X11/Xlib/Extras.hsc" #-}
                `ap` (\hsc_ptr -> peekByteOff hsc_ptr 32) p
{-# LINE 383 "Graphics/X11/Xlib/Extras.hsc" #-}
                `ap` (\hsc_ptr -> peekByteOff hsc_ptr 36) p
{-# LINE 384 "Graphics/X11/Xlib/Extras.hsc" #-}
                `ap` (\hsc_ptr -> peekByteOff hsc_ptr 40) p
{-# LINE 385 "Graphics/X11/Xlib/Extras.hsc" #-}
                `ap` (\hsc_ptr -> peekByteOff hsc_ptr 44) p
{-# LINE 386 "Graphics/X11/Xlib/Extras.hsc" #-}
                `ap` (\hsc_ptr -> peekByteOff hsc_ptr 48) p
{-# LINE 387 "Graphics/X11/Xlib/Extras.hsc" #-}

          -------------------
          -- MapRequestEvent:
          -------------------
          | type_ == mapRequest -> do
            parent <- (\hsc_ptr -> peekByteOff hsc_ptr 16) p
{-# LINE 393 "Graphics/X11/Xlib/Extras.hsc" #-}
            window <- (\hsc_ptr -> peekByteOff hsc_ptr 20) p
{-# LINE 394 "Graphics/X11/Xlib/Extras.hsc" #-}
            return $ MapRequestEvent
                        { ev_event_type    = type_
                        , ev_serial        = serial
                        , ev_send_event    = send_event
                        , ev_event_display = display
                        , ev_parent        = parent
                        , ev_window        = window
                        }

          -------------------
          -- MapNotifyEvent
          -------------------
          | type_ == mapNotify -> do
            event             <- (\hsc_ptr -> peekByteOff hsc_ptr 16)  p
{-# LINE 408 "Graphics/X11/Xlib/Extras.hsc" #-}
            window            <- (\hsc_ptr -> peekByteOff hsc_ptr 20) p
{-# LINE 409 "Graphics/X11/Xlib/Extras.hsc" #-}
            override_redirect <- (\hsc_ptr -> peekByteOff hsc_ptr 24) p
{-# LINE 410 "Graphics/X11/Xlib/Extras.hsc" #-}
            return $ MapNotifyEvent
                        { ev_event_type        = type_
                        , ev_serial            = serial
                        , ev_send_event        = send_event
                        , ev_event_display     = display
                        , ev_event             = event
                        , ev_window            = window
                        , ev_override_redirect = override_redirect
                        }

          -------------------
          -- MappingNotifyEvent
          -------------------
          | type_ == mappingNotify -> do
            window        <- (\hsc_ptr -> peekByteOff hsc_ptr 16)          p
{-# LINE 425 "Graphics/X11/Xlib/Extras.hsc" #-}
            request       <- (\hsc_ptr -> peekByteOff hsc_ptr 20)         p
{-# LINE 426 "Graphics/X11/Xlib/Extras.hsc" #-}
            first_keycode <- (\hsc_ptr -> peekByteOff hsc_ptr 24)   p
{-# LINE 427 "Graphics/X11/Xlib/Extras.hsc" #-}
            count         <- (\hsc_ptr -> peekByteOff hsc_ptr 28)           p
{-# LINE 428 "Graphics/X11/Xlib/Extras.hsc" #-}

            return $ MappingNotifyEvent
                        { ev_event_type    = type_
                        , ev_serial        = serial
                        , ev_send_event    = send_event
                        , ev_event_display = display
                        , ev_window        = window
                        , ev_request       = request
                        , ev_first_keycode = first_keycode
                        , ev_count         = count
                        }

          ------------
          -- KeyEvent:
          ------------
          | type_ == keyPress || type_ == keyRelease -> do
            window      <- (\hsc_ptr -> peekByteOff hsc_ptr 16) p
{-# LINE 445 "Graphics/X11/Xlib/Extras.hsc" #-}
            root        <- (\hsc_ptr -> peekByteOff hsc_ptr 20) p
{-# LINE 446 "Graphics/X11/Xlib/Extras.hsc" #-}
            subwindow   <- (\hsc_ptr -> peekByteOff hsc_ptr 24) p
{-# LINE 447 "Graphics/X11/Xlib/Extras.hsc" #-}
            time        <- (\hsc_ptr -> peekByteOff hsc_ptr 28) p
{-# LINE 448 "Graphics/X11/Xlib/Extras.hsc" #-}
            x           <- (\hsc_ptr -> peekByteOff hsc_ptr 32) p
{-# LINE 449 "Graphics/X11/Xlib/Extras.hsc" #-}
            y           <- (\hsc_ptr -> peekByteOff hsc_ptr 36) p
{-# LINE 450 "Graphics/X11/Xlib/Extras.hsc" #-}
            x_root      <- (\hsc_ptr -> peekByteOff hsc_ptr 40) p
{-# LINE 451 "Graphics/X11/Xlib/Extras.hsc" #-}
            y_root      <- (\hsc_ptr -> peekByteOff hsc_ptr 44) p
{-# LINE 452 "Graphics/X11/Xlib/Extras.hsc" #-}
            state       <- ((\hsc_ptr -> peekByteOff hsc_ptr 48) p) :: IO CUInt
{-# LINE 453 "Graphics/X11/Xlib/Extras.hsc" #-}
            keycode     <- ((\hsc_ptr -> peekByteOff hsc_ptr 52) p) :: IO CUInt
{-# LINE 454 "Graphics/X11/Xlib/Extras.hsc" #-}
            same_screen <- (\hsc_ptr -> peekByteOff hsc_ptr 56) p
{-# LINE 455 "Graphics/X11/Xlib/Extras.hsc" #-}
            return $ KeyEvent
                        { ev_event_type    = type_
                        , ev_serial        = serial
                        , ev_send_event    = send_event
                        , ev_event_display = display
                        , ev_window        = window
                        , ev_root          = root
                        , ev_subwindow     = subwindow
                        , ev_time          = time
                        , ev_x             = x
                        , ev_y             = y
                        , ev_x_root        = x_root
                        , ev_y_root        = y_root
                        , ev_state         = fromIntegral state
                        , ev_keycode       = fromIntegral keycode
                        , ev_same_screen   = same_screen
                        }

          ---------------
          -- ButtonEvent:
          ---------------
          | type_ == buttonPress || type_ == buttonRelease -> do

            window      <- (\hsc_ptr -> peekByteOff hsc_ptr 16) p
{-# LINE 479 "Graphics/X11/Xlib/Extras.hsc" #-}
            root        <- (\hsc_ptr -> peekByteOff hsc_ptr 20) p
{-# LINE 480 "Graphics/X11/Xlib/Extras.hsc" #-}
            subwindow   <- (\hsc_ptr -> peekByteOff hsc_ptr 24) p
{-# LINE 481 "Graphics/X11/Xlib/Extras.hsc" #-}
            time        <- (\hsc_ptr -> peekByteOff hsc_ptr 28) p
{-# LINE 482 "Graphics/X11/Xlib/Extras.hsc" #-}
            x           <- (\hsc_ptr -> peekByteOff hsc_ptr 32) p
{-# LINE 483 "Graphics/X11/Xlib/Extras.hsc" #-}
            y           <- (\hsc_ptr -> peekByteOff hsc_ptr 36) p
{-# LINE 484 "Graphics/X11/Xlib/Extras.hsc" #-}
            x_root      <- (\hsc_ptr -> peekByteOff hsc_ptr 40) p
{-# LINE 485 "Graphics/X11/Xlib/Extras.hsc" #-}
            y_root      <- (\hsc_ptr -> peekByteOff hsc_ptr 44) p
{-# LINE 486 "Graphics/X11/Xlib/Extras.hsc" #-}
            state       <- ((\hsc_ptr -> peekByteOff hsc_ptr 48) p) :: IO CUInt
{-# LINE 487 "Graphics/X11/Xlib/Extras.hsc" #-}
            button      <- (\hsc_ptr -> peekByteOff hsc_ptr 52) p
{-# LINE 488 "Graphics/X11/Xlib/Extras.hsc" #-}
            same_screen <- (\hsc_ptr -> peekByteOff hsc_ptr 56) p
{-# LINE 489 "Graphics/X11/Xlib/Extras.hsc" #-}

            return $ ButtonEvent
                        { ev_event_type    = type_
                        , ev_serial        = serial
                        , ev_send_event    = send_event
                        , ev_event_display = display
                        , ev_window        = window
                        , ev_root          = root
                        , ev_subwindow     = subwindow
                        , ev_time          = time
                        , ev_x             = x
                        , ev_y             = y
                        , ev_x_root        = x_root
                        , ev_y_root        = y_root
                        , ev_state         = fromIntegral state
                        , ev_button        = button
                        , ev_same_screen   = same_screen
                        }

          ---------------
          -- MotionEvent:
          ---------------
          | type_ == motionNotify -> do
            window <- (\hsc_ptr -> peekByteOff hsc_ptr 16) p
{-# LINE 513 "Graphics/X11/Xlib/Extras.hsc" #-}
            x      <- (\hsc_ptr -> peekByteOff hsc_ptr 32) p
{-# LINE 514 "Graphics/X11/Xlib/Extras.hsc" #-}
            y      <- (\hsc_ptr -> peekByteOff hsc_ptr 36) p
{-# LINE 515 "Graphics/X11/Xlib/Extras.hsc" #-}
            return $ MotionEvent
                        { ev_event_type    = type_
                        , ev_serial        = serial
                        , ev_send_event    = send_event
                        , ev_event_display = display
                        , ev_x             = x
                        , ev_y             = y
                        , ev_window        = window
                        }


          ----------------------
          -- DestroyWindowEvent:
          ----------------------
          | type_ == destroyNotify -> do
            event  <- (\hsc_ptr -> peekByteOff hsc_ptr 16) p
{-# LINE 531 "Graphics/X11/Xlib/Extras.hsc" #-}
            window <- (\hsc_ptr -> peekByteOff hsc_ptr 20) p
{-# LINE 532 "Graphics/X11/Xlib/Extras.hsc" #-}
            return $ DestroyWindowEvent
                        { ev_event_type    = type_
                        , ev_serial        = serial
                        , ev_send_event    = send_event
                        , ev_event_display = display
                        , ev_event         = event
                        , ev_window        = window
                        }


          --------------------
          -- UnmapNotifyEvent:
          --------------------
          | type_ == unmapNotify -> do
            event          <- (\hsc_ptr -> peekByteOff hsc_ptr 16) p
{-# LINE 547 "Graphics/X11/Xlib/Extras.hsc" #-}
            window         <- (\hsc_ptr -> peekByteOff hsc_ptr 20) p
{-# LINE 548 "Graphics/X11/Xlib/Extras.hsc" #-}
            from_configure <- (\hsc_ptr -> peekByteOff hsc_ptr 24) p
{-# LINE 549 "Graphics/X11/Xlib/Extras.hsc" #-}
            return $ UnmapEvent
                        { ev_event_type    = type_
                        , ev_serial        = serial
                        , ev_send_event    = send_event
                        , ev_event_display = display
                        , ev_event         = event
                        , ev_window        = window
                        , ev_from_configure = from_configure
                        }

          --------------------
          -- CrossingEvent
          --------------------
          | type_ == enterNotify || type_ == leaveNotify -> do
            window        <- (\hsc_ptr -> peekByteOff hsc_ptr 16) p
{-# LINE 564 "Graphics/X11/Xlib/Extras.hsc" #-}
            root          <- (\hsc_ptr -> peekByteOff hsc_ptr 20) p
{-# LINE 565 "Graphics/X11/Xlib/Extras.hsc" #-}
            subwindow     <- (\hsc_ptr -> peekByteOff hsc_ptr 24) p
{-# LINE 566 "Graphics/X11/Xlib/Extras.hsc" #-}
            time          <- (\hsc_ptr -> peekByteOff hsc_ptr 28) p
{-# LINE 567 "Graphics/X11/Xlib/Extras.hsc" #-}
            x             <- (\hsc_ptr -> peekByteOff hsc_ptr 32) p
{-# LINE 568 "Graphics/X11/Xlib/Extras.hsc" #-}
            y             <- (\hsc_ptr -> peekByteOff hsc_ptr 36) p
{-# LINE 569 "Graphics/X11/Xlib/Extras.hsc" #-}
            x_root        <- (\hsc_ptr -> peekByteOff hsc_ptr 40) p
{-# LINE 570 "Graphics/X11/Xlib/Extras.hsc" #-}
            y_root        <- (\hsc_ptr -> peekByteOff hsc_ptr 44) p
{-# LINE 571 "Graphics/X11/Xlib/Extras.hsc" #-}
            mode          <- (\hsc_ptr -> peekByteOff hsc_ptr 48) p
{-# LINE 572 "Graphics/X11/Xlib/Extras.hsc" #-}
            detail        <- (\hsc_ptr -> peekByteOff hsc_ptr 52) p
{-# LINE 573 "Graphics/X11/Xlib/Extras.hsc" #-}
            same_screen   <- (\hsc_ptr -> peekByteOff hsc_ptr 56) p
{-# LINE 574 "Graphics/X11/Xlib/Extras.hsc" #-}
            focus         <- (\hsc_ptr -> peekByteOff hsc_ptr 60) p
{-# LINE 575 "Graphics/X11/Xlib/Extras.hsc" #-}
            state         <- ((\hsc_ptr -> peekByteOff hsc_ptr 64) p) :: IO CUInt
{-# LINE 576 "Graphics/X11/Xlib/Extras.hsc" #-}

            return $ CrossingEvent
                        { ev_event_type    = type_
                        , ev_serial        = serial
                        , ev_send_event    = send_event
                        , ev_event_display = display
                        , ev_window        = window
                        , ev_root          = root
                        , ev_subwindow     = subwindow
                        , ev_time          = time
                        , ev_x             = x
                        , ev_y             = y
                        , ev_x_root        = x_root
                        , ev_y_root        = y_root
                        , ev_mode          = mode
                        , ev_detail        = detail
                        , ev_same_screen   = same_screen
                        , ev_focus         = focus
                        , ev_state         = fromIntegral state
                        }

          -------------------------
          -- SelectionRequestEvent:
          -------------------------
          | type_ == selectionRequest -> do
            owner          <- (\hsc_ptr -> peekByteOff hsc_ptr 16) p
{-# LINE 602 "Graphics/X11/Xlib/Extras.hsc" #-}
            requestor      <- (\hsc_ptr -> peekByteOff hsc_ptr 20) p
{-# LINE 603 "Graphics/X11/Xlib/Extras.hsc" #-}
            selection      <- (\hsc_ptr -> peekByteOff hsc_ptr 24) p
{-# LINE 604 "Graphics/X11/Xlib/Extras.hsc" #-}
            target         <- (\hsc_ptr -> peekByteOff hsc_ptr 28) p
{-# LINE 605 "Graphics/X11/Xlib/Extras.hsc" #-}
            property       <- (\hsc_ptr -> peekByteOff hsc_ptr 32) p
{-# LINE 606 "Graphics/X11/Xlib/Extras.hsc" #-}
            time           <- (\hsc_ptr -> peekByteOff hsc_ptr 36) p
{-# LINE 607 "Graphics/X11/Xlib/Extras.hsc" #-}
            return $ SelectionRequest
                        { ev_event_type    = type_
                        , ev_serial        = serial
                        , ev_send_event    = send_event
                        , ev_event_display = display
                        , ev_owner         = owner
                        , ev_requestor     = requestor
                        , ev_selection     = selection
                        , ev_target        = target
                        , ev_property      = property
                        , ev_time          = time
                        }

          -------------------------
          -- PropertyEvent
          -------------------------
          | type_ == propertyNotify -> do
            window <- (\hsc_ptr -> peekByteOff hsc_ptr 16) p
{-# LINE 625 "Graphics/X11/Xlib/Extras.hsc" #-}
            atom   <- (\hsc_ptr -> peekByteOff hsc_ptr 20) p
{-# LINE 626 "Graphics/X11/Xlib/Extras.hsc" #-}
            time   <- (\hsc_ptr -> peekByteOff hsc_ptr 24) p
{-# LINE 627 "Graphics/X11/Xlib/Extras.hsc" #-}
            state  <- (\hsc_ptr -> peekByteOff hsc_ptr 28) p
{-# LINE 628 "Graphics/X11/Xlib/Extras.hsc" #-}
            return $ PropertyEvent
                        { ev_event_type    = type_
                        , ev_serial        = serial
                        , ev_send_event    = send_event
                        , ev_event_display = display
                        , ev_window        = window
                        , ev_atom          = atom
                        , ev_time          = time
                        , ev_propstate     = state
                        }

          -------------------------
          -- ExposeEvent
          -------------------------
          | type_ == expose -> do
            window <- (\hsc_ptr -> peekByteOff hsc_ptr 16) p
{-# LINE 644 "Graphics/X11/Xlib/Extras.hsc" #-}
            x      <- (\hsc_ptr -> peekByteOff hsc_ptr 20) p
{-# LINE 645 "Graphics/X11/Xlib/Extras.hsc" #-}
            y      <- (\hsc_ptr -> peekByteOff hsc_ptr 24) p
{-# LINE 646 "Graphics/X11/Xlib/Extras.hsc" #-}
            width  <- (\hsc_ptr -> peekByteOff hsc_ptr 28) p
{-# LINE 647 "Graphics/X11/Xlib/Extras.hsc" #-}
            height <- (\hsc_ptr -> peekByteOff hsc_ptr 32) p
{-# LINE 648 "Graphics/X11/Xlib/Extras.hsc" #-}
            count  <- (\hsc_ptr -> peekByteOff hsc_ptr 36) p
{-# LINE 649 "Graphics/X11/Xlib/Extras.hsc" #-}
            return $ ExposeEvent
                        { ev_event_type    = type_
                        , ev_serial        = serial
                        , ev_send_event    = send_event
                        , ev_event_display = display
                        , ev_window        = window
                        , ev_x             = x
                        , ev_y             = y
                        , ev_width         = width
                        , ev_height        = height
                        , ev_count         = count
                        }

          -------------------------
          -- ClientMessageEvent
          -------------------------
          | type_ == clientMessage -> do
            window       <- (\hsc_ptr -> peekByteOff hsc_ptr 16) p
{-# LINE 667 "Graphics/X11/Xlib/Extras.hsc" #-}
            message_type <- (\hsc_ptr -> peekByteOff hsc_ptr 20) p
{-# LINE 668 "Graphics/X11/Xlib/Extras.hsc" #-}
            format       <- (\hsc_ptr -> peekByteOff hsc_ptr 24) p
{-# LINE 669 "Graphics/X11/Xlib/Extras.hsc" #-}
            let datPtr =    (\hsc_ptr -> hsc_ptr `plusPtr` 28) p
{-# LINE 670 "Graphics/X11/Xlib/Extras.hsc" #-}
            dat          <- case (format::CInt) of
                        8  -> do a <- peekArray 20 datPtr
                                 return $ map fromIntegral (a::[Word8])
                        16 -> do a <- peekArray 10 datPtr
                                 return $ map fromIntegral (a::[Word16])
                        32 -> do a <- peekArray 5 datPtr
                                 return $ map fromIntegral (a::[CLong])
                        _  -> error "X11.Extras.clientMessage: illegal value"
            return $ ClientMessageEvent
                        { ev_event_type    = type_
                        , ev_serial        = serial
                        , ev_send_event    = send_event
                        , ev_event_display = display
                        , ev_window        = window
                        , ev_message_type  = message_type
                        , ev_data          = dat
                        }

          -------------------------
          -- RRScreenChangeNotify
          -------------------------
          | rrHasExtension &&
            type_ == rrEventBase + rrScreenChangeNotify -> do
            window           <- (\hsc_ptr -> peekByteOff hsc_ptr 16) p
{-# LINE 694 "Graphics/X11/Xlib/Extras.hsc" #-}
            root             <- (\hsc_ptr -> peekByteOff hsc_ptr 20) p
{-# LINE 695 "Graphics/X11/Xlib/Extras.hsc" #-}
            timestamp        <- (\hsc_ptr -> peekByteOff hsc_ptr 24) p
{-# LINE 696 "Graphics/X11/Xlib/Extras.hsc" #-}
            config_timestamp <- (\hsc_ptr -> peekByteOff hsc_ptr 28) p
{-# LINE 697 "Graphics/X11/Xlib/Extras.hsc" #-}
            size_index       <- (\hsc_ptr -> peekByteOff hsc_ptr 28) p
{-# LINE 698 "Graphics/X11/Xlib/Extras.hsc" #-}
            subpixel_order   <- (\hsc_ptr -> peekByteOff hsc_ptr 34) p
{-# LINE 699 "Graphics/X11/Xlib/Extras.hsc" #-}
            rotation         <- (\hsc_ptr -> peekByteOff hsc_ptr 36) p
{-# LINE 700 "Graphics/X11/Xlib/Extras.hsc" #-}
            width            <- (\hsc_ptr -> peekByteOff hsc_ptr 40) p
{-# LINE 701 "Graphics/X11/Xlib/Extras.hsc" #-}
            height           <- (\hsc_ptr -> peekByteOff hsc_ptr 44) p
{-# LINE 702 "Graphics/X11/Xlib/Extras.hsc" #-}
            mwidth           <- (\hsc_ptr -> peekByteOff hsc_ptr 48) p
{-# LINE 703 "Graphics/X11/Xlib/Extras.hsc" #-}
            mheight          <- (\hsc_ptr -> peekByteOff hsc_ptr 52) p
{-# LINE 704 "Graphics/X11/Xlib/Extras.hsc" #-}
            return $ RRScreenChangeNotifyEvent
                        { ev_event_type       = type_
                        , ev_serial           = serial
                        , ev_send_event       = send_event
                        , ev_event_display    = display
                        , ev_window           = window
                        , ev_root             = root
                        , ev_timestamp        = timestamp
                        , ev_config_timestamp = config_timestamp
                        , ev_size_index       = size_index
                        , ev_subpixel_order   = subpixel_order
                        , ev_rotation         = rotation
                        , ev_width            = width
                        , ev_height           = height
                        , ev_mwidth           = mwidth
                        , ev_mheight          = mheight
                        }

          -------------------------
          -- RRNotify
          -------------------------
          | rrHasExtension &&
            type_ == rrEventBase + rrNotify -> do
            window   <- (\hsc_ptr -> peekByteOff hsc_ptr 16) p
{-# LINE 728 "Graphics/X11/Xlib/Extras.hsc" #-}
            subtype  <- (\hsc_ptr -> peekByteOff hsc_ptr 20) p
{-# LINE 729 "Graphics/X11/Xlib/Extras.hsc" #-}
            let subtype_ = fromIntegral subtype_
            case () of
                _ | subtype_ == rrNotifyCrtcChange -> do
                    crtc           <- (\hsc_ptr -> peekByteOff hsc_ptr 24) p
{-# LINE 733 "Graphics/X11/Xlib/Extras.hsc" #-}
                    mode           <- (\hsc_ptr -> peekByteOff hsc_ptr 28) p
{-# LINE 734 "Graphics/X11/Xlib/Extras.hsc" #-}
                    rotation       <- (\hsc_ptr -> peekByteOff hsc_ptr 32) p
{-# LINE 735 "Graphics/X11/Xlib/Extras.hsc" #-}
                    x              <- (\hsc_ptr -> peekByteOff hsc_ptr 36) p
{-# LINE 736 "Graphics/X11/Xlib/Extras.hsc" #-}
                    y              <- (\hsc_ptr -> peekByteOff hsc_ptr 40) p
{-# LINE 737 "Graphics/X11/Xlib/Extras.hsc" #-}
                    width          <- (\hsc_ptr -> peekByteOff hsc_ptr 44) p
{-# LINE 738 "Graphics/X11/Xlib/Extras.hsc" #-}
                    height         <- (\hsc_ptr -> peekByteOff hsc_ptr 48) p
{-# LINE 739 "Graphics/X11/Xlib/Extras.hsc" #-}
                    return $ RRCrtcChangeNotifyEvent
                             { ev_event_type    = type_
                             , ev_serial        = serial
                             , ev_send_event    = send_event
                             , ev_event_display = display
                             , ev_window        = window
                             , ev_subtype       = subtype
                             , ev_crtc          = crtc
                             , ev_rr_mode       = mode
                             , ev_rotation      = rotation
                             , ev_x             = x
                             , ev_y             = y
                             , ev_rr_width      = width
                             , ev_rr_height     = height
                             }

                  | subtype_ == rrNotifyOutputChange -> do
                    output         <- (\hsc_ptr -> peekByteOff hsc_ptr 24) p
{-# LINE 757 "Graphics/X11/Xlib/Extras.hsc" #-}
                    crtc           <- (\hsc_ptr -> peekByteOff hsc_ptr 28) p
{-# LINE 758 "Graphics/X11/Xlib/Extras.hsc" #-}
                    mode           <- (\hsc_ptr -> peekByteOff hsc_ptr 32) p
{-# LINE 759 "Graphics/X11/Xlib/Extras.hsc" #-}
                    rotation       <- (\hsc_ptr -> peekByteOff hsc_ptr 36) p
{-# LINE 760 "Graphics/X11/Xlib/Extras.hsc" #-}
                    connection     <- (\hsc_ptr -> peekByteOff hsc_ptr 38) p
{-# LINE 761 "Graphics/X11/Xlib/Extras.hsc" #-}
                    subpixel_order <- (\hsc_ptr -> peekByteOff hsc_ptr 40) p
{-# LINE 762 "Graphics/X11/Xlib/Extras.hsc" #-}
                    return $ RROutputChangeNotifyEvent
                             { ev_event_type     = type_
                             , ev_serial         = serial
                             , ev_send_event     = send_event
                             , ev_event_display  = display
                             , ev_window         = window
                             , ev_subtype        = subtype
                             , ev_output         = output
                             , ev_crtc           = crtc
                             , ev_rr_mode        = mode
                             , ev_rotation       = rotation
                             , ev_connection     = connection
                             , ev_subpixel_order = subpixel_order
                             }

                  | subtype_ == rrNotifyOutputProperty -> do
                    output         <- (\hsc_ptr -> peekByteOff hsc_ptr 24) p
{-# LINE 779 "Graphics/X11/Xlib/Extras.hsc" #-}
                    property       <- (\hsc_ptr -> peekByteOff hsc_ptr 28) p
{-# LINE 780 "Graphics/X11/Xlib/Extras.hsc" #-}
                    timestamp      <- (\hsc_ptr -> peekByteOff hsc_ptr 32) p
{-# LINE 781 "Graphics/X11/Xlib/Extras.hsc" #-}
                    state          <- (\hsc_ptr -> peekByteOff hsc_ptr 36) p
{-# LINE 782 "Graphics/X11/Xlib/Extras.hsc" #-}
                    return $ RROutputPropertyNotifyEvent
                             { ev_event_type    = type_
                             , ev_serial        = serial
                             , ev_send_event    = send_event
                             , ev_event_display = display
                             , ev_window        = window
                             , ev_subtype       = subtype
                             , ev_output        = output
                             , ev_property      = property
                             , ev_timestamp     = timestamp
                             , ev_rr_state      = state
                             }

                  -- We don't handle this event specifically, so return the generic
                  -- RRNotifyEvent.
                  | otherwise -> do
                    return $ RRNotifyEvent
                                { ev_event_type    = type_
                                , ev_serial        = serial
                                , ev_send_event    = send_event
                                , ev_event_display = display
                                , ev_window        = window
                                , ev_subtype       = subtype
                                }

          -- We don't handle this event specifically, so return the generic
          -- AnyEvent.
          | otherwise -> do
            window <- (\hsc_ptr -> peekByteOff hsc_ptr 16) p
{-# LINE 811 "Graphics/X11/Xlib/Extras.hsc" #-}
            return $ AnyEvent
                        { ev_event_type    = type_
                        , ev_serial        = serial
                        , ev_send_event    = send_event
                        , ev_event_display = display
                        , ev_window        = window
                        }

data WindowChanges = WindowChanges
                        { wc_x :: CInt
                        , wc_y :: CInt
                        , wc_width :: CInt
                        , wc_height:: CInt
                        , wc_border_width :: CInt
                        , wc_sibling :: Window
                        , wc_stack_mode :: CInt
                        }

instance Storable WindowChanges where
    sizeOf _ = (28)
{-# LINE 831 "Graphics/X11/Xlib/Extras.hsc" #-}

    -- I really hope this is right:
    alignment _ = alignment (undefined :: CInt)

    poke p wc = do
        (\hsc_ptr -> pokeByteOff hsc_ptr 0) p $ wc_x wc
{-# LINE 837 "Graphics/X11/Xlib/Extras.hsc" #-}
        (\hsc_ptr -> pokeByteOff hsc_ptr 4) p $ wc_y wc
{-# LINE 838 "Graphics/X11/Xlib/Extras.hsc" #-}
        (\hsc_ptr -> pokeByteOff hsc_ptr 8) p $ wc_width wc
{-# LINE 839 "Graphics/X11/Xlib/Extras.hsc" #-}
        (\hsc_ptr -> pokeByteOff hsc_ptr 12) p $ wc_height wc
{-# LINE 840 "Graphics/X11/Xlib/Extras.hsc" #-}
        (\hsc_ptr -> pokeByteOff hsc_ptr 16) p $ wc_border_width wc
{-# LINE 841 "Graphics/X11/Xlib/Extras.hsc" #-}
        (\hsc_ptr -> pokeByteOff hsc_ptr 20) p $ wc_sibling wc
{-# LINE 842 "Graphics/X11/Xlib/Extras.hsc" #-}
        (\hsc_ptr -> pokeByteOff hsc_ptr 24) p $ wc_stack_mode wc
{-# LINE 843 "Graphics/X11/Xlib/Extras.hsc" #-}
        
    peek p = return WindowChanges
                `ap` ((\hsc_ptr -> peekByteOff hsc_ptr 0) p)
{-# LINE 846 "Graphics/X11/Xlib/Extras.hsc" #-}
                `ap` ((\hsc_ptr -> peekByteOff hsc_ptr 4) p)
{-# LINE 847 "Graphics/X11/Xlib/Extras.hsc" #-}
                `ap` ((\hsc_ptr -> peekByteOff hsc_ptr 8) p)
{-# LINE 848 "Graphics/X11/Xlib/Extras.hsc" #-}
                `ap` ((\hsc_ptr -> peekByteOff hsc_ptr 12) p)
{-# LINE 849 "Graphics/X11/Xlib/Extras.hsc" #-}
                `ap` ((\hsc_ptr -> peekByteOff hsc_ptr 16) p)
{-# LINE 850 "Graphics/X11/Xlib/Extras.hsc" #-}
                `ap` ((\hsc_ptr -> peekByteOff hsc_ptr 20) p)
{-# LINE 851 "Graphics/X11/Xlib/Extras.hsc" #-}
                `ap` ((\hsc_ptr -> peekByteOff hsc_ptr 24) p)
{-# LINE 852 "Graphics/X11/Xlib/Extras.hsc" #-}

--
-- Some extra constants
--

none :: XID
none = 0
{-# LINE 859 "Graphics/X11/Xlib/Extras.hsc" #-}

anyButton :: Button
anyButton = 0
{-# LINE 862 "Graphics/X11/Xlib/Extras.hsc" #-}

anyKey :: KeyCode
anyKey = toEnum 0
{-# LINE 865 "Graphics/X11/Xlib/Extras.hsc" #-}

currentTime :: Time
currentTime = 0
{-# LINE 868 "Graphics/X11/Xlib/Extras.hsc" #-}

--
-- The use of Int rather than CInt isn't 64 bit clean.
--

foreign import ccall unsafe "XlibExtras.h XConfigureWindow"
    xConfigureWindow :: Display -> Window -> CULong -> Ptr WindowChanges -> IO CInt

foreign import ccall unsafe "XlibExtras.h XKillClient"
    killClient :: Display -> Window -> IO CInt

configureWindow :: Display -> Window -> CULong -> WindowChanges -> IO ()
configureWindow d w m c = do
    _ <- with c (xConfigureWindow d w m)
    return ()

foreign import ccall unsafe "XlibExtras.h XFree"
    xFree :: Ptr a -> IO CInt

foreign import ccall unsafe "XlibExtras.h XQueryTree"
    xQueryTree :: Display -> Window -> Ptr Window -> Ptr Window -> Ptr (Ptr Window) -> Ptr CInt -> IO Status

queryTree :: Display -> Window -> IO (Window, Window, [Window])
queryTree d w =
    alloca $ \root_return ->
    alloca $ \parent_return ->
    alloca $ \children_return ->
    alloca $ \nchildren_return -> do
        _ <- xQueryTree d w root_return parent_return children_return nchildren_return
        p <- peek children_return
        n <- fmap fromIntegral $ peek nchildren_return
        ws <- peekArray n p
        _ <- xFree p
        liftM3 (,,) (peek root_return) (peek parent_return) (return ws)

-- TODO: this data type is incomplete wrt. the C struct
data WindowAttributes = WindowAttributes
            { wa_x, wa_y, wa_width, wa_height, wa_border_width :: CInt
            , wa_map_state :: CInt
            , wa_override_redirect :: Bool
            }

-- 
-- possible map_states'
--
waIsUnmapped, waIsUnviewable, waIsViewable :: CInt
waIsUnmapped   = fromIntegral ( 0   :: CInt )  -- 0
{-# LINE 915 "Graphics/X11/Xlib/Extras.hsc" #-}
waIsUnviewable = fromIntegral ( 1 :: CInt )  -- 1
{-# LINE 916 "Graphics/X11/Xlib/Extras.hsc" #-}
waIsViewable   = fromIntegral ( 2   :: CInt )  -- 2
{-# LINE 917 "Graphics/X11/Xlib/Extras.hsc" #-}

instance Storable WindowAttributes where
    -- this might be incorrect
    alignment _ = alignment (undefined :: CInt)
    sizeOf _ = (92)
{-# LINE 922 "Graphics/X11/Xlib/Extras.hsc" #-}
    peek p = return WindowAttributes
                `ap` ((\hsc_ptr -> peekByteOff hsc_ptr 0) p)
{-# LINE 924 "Graphics/X11/Xlib/Extras.hsc" #-}
                `ap` ((\hsc_ptr -> peekByteOff hsc_ptr 4) p)
{-# LINE 925 "Graphics/X11/Xlib/Extras.hsc" #-}
                `ap` ((\hsc_ptr -> peekByteOff hsc_ptr 8) p)
{-# LINE 926 "Graphics/X11/Xlib/Extras.hsc" #-}
                `ap` ((\hsc_ptr -> peekByteOff hsc_ptr 12) p)
{-# LINE 927 "Graphics/X11/Xlib/Extras.hsc" #-}
                `ap` ((\hsc_ptr -> peekByteOff hsc_ptr 16) p)
{-# LINE 928 "Graphics/X11/Xlib/Extras.hsc" #-}
                `ap` ((\hsc_ptr -> peekByteOff hsc_ptr 68) p)
{-# LINE 929 "Graphics/X11/Xlib/Extras.hsc" #-}
                `ap` ((\hsc_ptr -> peekByteOff hsc_ptr 84) p)
{-# LINE 930 "Graphics/X11/Xlib/Extras.hsc" #-}
    poke p wa = do
        (\hsc_ptr -> pokeByteOff hsc_ptr 0) p $ wa_x wa
{-# LINE 932 "Graphics/X11/Xlib/Extras.hsc" #-}
        (\hsc_ptr -> pokeByteOff hsc_ptr 4) p $ wa_y wa
{-# LINE 933 "Graphics/X11/Xlib/Extras.hsc" #-}
        (\hsc_ptr -> pokeByteOff hsc_ptr 8) p $ wa_width wa
{-# LINE 934 "Graphics/X11/Xlib/Extras.hsc" #-}
        (\hsc_ptr -> pokeByteOff hsc_ptr 12) p $ wa_height wa
{-# LINE 935 "Graphics/X11/Xlib/Extras.hsc" #-}
        (\hsc_ptr -> pokeByteOff hsc_ptr 16) p $ wa_border_width wa
{-# LINE 936 "Graphics/X11/Xlib/Extras.hsc" #-}
        (\hsc_ptr -> pokeByteOff hsc_ptr 68) p $ wa_map_state wa
{-# LINE 937 "Graphics/X11/Xlib/Extras.hsc" #-}
        (\hsc_ptr -> pokeByteOff hsc_ptr 84) p $ wa_override_redirect wa
{-# LINE 938 "Graphics/X11/Xlib/Extras.hsc" #-}

foreign import ccall unsafe "XlibExtras.h XGetWindowAttributes"
    xGetWindowAttributes :: Display -> Window -> Ptr (WindowAttributes) -> IO Status

getWindowAttributes :: Display -> Window -> IO WindowAttributes
getWindowAttributes d w = alloca $ \p -> do
    _ <- xGetWindowAttributes d w p
    peek p

-- | interface to the X11 library function @XChangeWindowAttributes()@.
foreign import ccall unsafe "XlibExtras.h XChangeWindowAttributes"
        changeWindowAttributes :: Display -> Window -> AttributeMask -> Ptr SetWindowAttributes -> IO ()

-- | Run an action with the server
withServer :: Display -> IO () -> IO ()
withServer dpy f = do
    grabServer dpy
    f
    ungrabServer dpy

data TextProperty = TextProperty {
        tp_value    :: CString,
        tp_encoding :: Atom,
        tp_format   :: CInt,
        tp_nitems   :: Word32
{-# LINE 963 "Graphics/X11/Xlib/Extras.hsc" #-}
    }

instance Storable TextProperty where
    sizeOf    _ = (16)
{-# LINE 967 "Graphics/X11/Xlib/Extras.hsc" #-}
    alignment _ = alignment (undefined :: Word32)
{-# LINE 968 "Graphics/X11/Xlib/Extras.hsc" #-}
    peek p = TextProperty `fmap` (\hsc_ptr -> peekByteOff hsc_ptr 0) p
{-# LINE 969 "Graphics/X11/Xlib/Extras.hsc" #-}
                          `ap`   (\hsc_ptr -> peekByteOff hsc_ptr 4) p
{-# LINE 970 "Graphics/X11/Xlib/Extras.hsc" #-}
                          `ap`   (\hsc_ptr -> peekByteOff hsc_ptr 8) p
{-# LINE 971 "Graphics/X11/Xlib/Extras.hsc" #-}
                          `ap`   (\hsc_ptr -> peekByteOff hsc_ptr 12) p
{-# LINE 972 "Graphics/X11/Xlib/Extras.hsc" #-}
    poke p (TextProperty val enc fmt nitems) = do
        (\hsc_ptr -> pokeByteOff hsc_ptr 0) p val
{-# LINE 974 "Graphics/X11/Xlib/Extras.hsc" #-}
        (\hsc_ptr -> pokeByteOff hsc_ptr 4) p enc
{-# LINE 975 "Graphics/X11/Xlib/Extras.hsc" #-}
        (\hsc_ptr -> pokeByteOff hsc_ptr 8) p fmt
{-# LINE 976 "Graphics/X11/Xlib/Extras.hsc" #-}
        (\hsc_ptr -> pokeByteOff hsc_ptr 12) p nitems
{-# LINE 977 "Graphics/X11/Xlib/Extras.hsc" #-}

foreign import ccall unsafe "XlibExtras.h XGetTextProperty"
    xGetTextProperty :: Display -> Window -> Ptr TextProperty -> Atom -> IO Status

getTextProperty :: Display -> Window -> Atom -> IO TextProperty
getTextProperty d w a =
    alloca $ \textp -> do
        _ <- throwIf (0==) (const "getTextProperty") $ xGetTextProperty d w textp a
        peek textp

foreign import ccall unsafe "XlibExtras.h XwcTextPropertyToTextList"
    xwcTextPropertyToTextList :: Display -> Ptr TextProperty -> Ptr (Ptr CWString) -> Ptr CInt -> IO CInt

wcTextPropertyToTextList :: Display -> TextProperty -> IO [String]
wcTextPropertyToTextList d prop =
    alloca    $ \listp  ->
    alloca    $ \countp ->
    with prop $ \propp  -> do
        _ <- throwIf (success>) (const "wcTextPropertyToTextList") $
            xwcTextPropertyToTextList d propp listp countp
        count <- peek countp
        list  <- peek listp
        texts <- flip mapM [0..fromIntegral count - 1] $ \i ->
                     peekElemOff list i >>= peekCWString
        wcFreeStringList list
        return texts

foreign import ccall unsafe "XlibExtras.h XwcFreeStringList"
    wcFreeStringList :: Ptr CWString -> IO ()

newtype FontSet = FontSet (Ptr FontSet)
    deriving (Eq, Ord, Show)

foreign import ccall unsafe "XlibExtras.h XCreateFontSet"
    xCreateFontSet :: Display -> CString -> Ptr (Ptr CString) -> Ptr CInt -> Ptr CString -> IO (Ptr FontSet)

createFontSet :: Display -> String -> IO ([String], String, FontSet)
createFontSet d fn =
    withCString fn $ \fontp  ->
    alloca         $ \listp  ->
    alloca         $ \countp ->
    alloca         $ \defp   -> do
        fs      <- throwIfNull "createFontSet" $
                       xCreateFontSet d fontp listp countp defp
        count   <- peek countp
        list    <- peek listp
        missing <- flip mapM [0..fromIntegral count - 1] $ \i ->
                       peekElemOff list i >>= peekCString
        def     <- peek defp >>= peekCString
        freeStringList list
        return (missing, def, FontSet fs)

foreign import ccall unsafe "XlibExtras.h XFreeStringList"
    freeStringList :: Ptr CString -> IO ()

foreign import ccall unsafe "XlibExtras.h XFreeFontSet"
    freeFontSet :: Display -> FontSet -> IO ()

foreign import ccall unsafe "XlibExtras.h XwcTextExtents"
    xwcTextExtents :: FontSet -> CWString -> CInt -> Ptr Rectangle -> Ptr Rectangle -> IO CInt

wcTextExtents :: FontSet -> String -> (Rectangle, Rectangle)
wcTextExtents fs text = unsafePerformIO $
    withCWStringLen text $ \(textp, len) ->
    alloca               $ \inkp          ->
    alloca               $ \logicalp      -> do
        _ <- xwcTextExtents fs textp (fromIntegral len) inkp logicalp
        (,) `fmap` peek inkp `ap` peek logicalp

foreign import ccall unsafe "XlibExtras.h XwcDrawString"
    xwcDrawString :: Display -> Drawable -> FontSet -> GC -> Position -> Position -> CWString -> CInt -> IO ()

wcDrawString :: Display -> Drawable -> FontSet -> GC -> Position -> Position -> String -> IO ()
wcDrawString d w fs gc x y =
    flip withCWStringLen $ \(s, len) ->
        xwcDrawString d w fs gc x y s (fromIntegral len)

foreign import ccall unsafe "XlibExtras.h XwcDrawImageString"
    xwcDrawImageString :: Display -> Drawable -> FontSet -> GC -> Position -> Position -> CWString -> CInt -> IO ()

wcDrawImageString :: Display -> Drawable -> FontSet -> GC -> Position -> Position -> String -> IO ()
wcDrawImageString d w fs gc x y =
    flip withCWStringLen $ \(s, len) ->
        xwcDrawImageString d w fs gc x y s (fromIntegral len)

foreign import ccall unsafe "XlibExtras.h XwcTextEscapement"
    xwcTextEscapement :: FontSet -> CWString -> CInt -> IO Int32

wcTextEscapement :: FontSet -> String -> Int32
wcTextEscapement font_set string = unsafePerformIO $
    withCWStringLen string $ \ (c_string, len) ->
    xwcTextEscapement font_set c_string (fromIntegral len)

foreign import ccall unsafe "XlibExtras.h XFetchName"
    xFetchName :: Display -> Window -> Ptr CString -> IO Status

fetchName :: Display -> Window -> IO (Maybe String)
fetchName d w = alloca $ \p -> do
    _ <- xFetchName d w p
    cstr <- peek p
    if cstr == nullPtr
        then return Nothing
        else do
            str <- peekCString cstr
            _ <- xFree cstr
            return $ Just str

foreign import ccall unsafe "XlibExtras.h XGetTransientForHint"
    xGetTransientForHint :: Display -> Window -> Ptr Window -> IO Status

getTransientForHint :: Display -> Window -> IO (Maybe Window)
getTransientForHint d w = alloca $ \wp -> do
    status <- xGetTransientForHint d w wp
    if status == 0
        then return Nothing
        else Just `liftM` peek wp

------------------------------------------------------------------------
-- setWMProtocols :: Display -> Window -> [Atom] -> IO ()

{-
setWMProtocols :: Display -> Window -> [Atom] -> IO ()
setWMProtocols display w protocols =
    withArray protocols $ \ protocol_array ->
    xSetWMProtocols display w protocol_array (length protocols)
foreign import ccall unsafe "HsXlib.h XSetWMProtocols"
    xSetWMProtocols :: Display -> Window -> Ptr Atom -> CInt -> IO ()
-}

-- | The XGetWMProtocols function returns the list of atoms
-- stored in the WM_PROTOCOLS property on the specified window.
-- These atoms describe window manager protocols in
-- which the owner of this window is willing to participate.
-- If the property exists, is of type ATOM, is of format 32,
-- and the atom WM_PROTOCOLS can be interned, XGetWMProtocols
-- sets the protocols_return argument to a list of atoms,
-- sets the count_return argument to the number of elements
-- in the list, and returns a nonzero status.  Otherwise, it
-- sets neither of the return arguments and returns a zero
-- status.  To release the list of atoms, use XFree.
--
getWMProtocols :: Display -> Window -> IO [Atom]
getWMProtocols display w = do
    alloca $ \atom_ptr_ptr ->
      alloca $ \count_ptr -> do

       st <- xGetWMProtocols display w atom_ptr_ptr count_ptr
       if st == 0
            then return []
            else do sz       <- peek count_ptr
                    atom_ptr <- peek atom_ptr_ptr
                    atoms    <- peekArray (fromIntegral sz) atom_ptr
                    _ <- xFree atom_ptr
                    return atoms

foreign import ccall unsafe "HsXlib.h XGetWMProtocols"
    xGetWMProtocols :: Display -> Window -> Ptr (Ptr Atom) -> Ptr CInt -> IO Status


------------------------------------------------------------------------
-- Creating events

setEventType :: XEventPtr -> EventType -> IO ()
setEventType = (\hsc_ptr -> pokeByteOff hsc_ptr 0)
{-# LINE 1141 "Graphics/X11/Xlib/Extras.hsc" #-}

{-
typedef struct {
        int type;               /* SelectionNotify */
        unsigned long serial;   /* # of last request processed by server */
        Bool send_event;        /* true if this came from a SendEvent request */
        Display *display;       /* Display the event was read from */
        Window requestor;
        Atom selection;
        Atom target;
        Atom property;          /* atom or None */
        Time time;
} XSelectionEvent;
-}

setSelectionNotify :: XEventPtr -> Window -> Atom -> Atom -> Atom -> Time -> IO ()
setSelectionNotify p requestor selection target property time = do
    setEventType p selectionNotify
    (\hsc_ptr -> pokeByteOff hsc_ptr 16)    p requestor
{-# LINE 1160 "Graphics/X11/Xlib/Extras.hsc" #-}
    (\hsc_ptr -> pokeByteOff hsc_ptr 20)    p selection
{-# LINE 1161 "Graphics/X11/Xlib/Extras.hsc" #-}
    (\hsc_ptr -> pokeByteOff hsc_ptr 24)       p target
{-# LINE 1162 "Graphics/X11/Xlib/Extras.hsc" #-}
    (\hsc_ptr -> pokeByteOff hsc_ptr 28)     p property
{-# LINE 1163 "Graphics/X11/Xlib/Extras.hsc" #-}
    (\hsc_ptr -> pokeByteOff hsc_ptr 32)         p time
{-# LINE 1164 "Graphics/X11/Xlib/Extras.hsc" #-}

-- hacky way to set up an XClientMessageEvent
-- Should have a Storable instance for XEvent/Event?
setClientMessageEvent :: XEventPtr -> Window -> Atom -> CInt -> Atom -> Time -> IO ()
setClientMessageEvent p window message_type format l_0_ l_1_ = do
    (\hsc_ptr -> pokeByteOff hsc_ptr 16)         p window
{-# LINE 1170 "Graphics/X11/Xlib/Extras.hsc" #-}
    (\hsc_ptr -> pokeByteOff hsc_ptr 20)   p message_type
{-# LINE 1171 "Graphics/X11/Xlib/Extras.hsc" #-}
    (\hsc_ptr -> pokeByteOff hsc_ptr 24)         p format
{-# LINE 1172 "Graphics/X11/Xlib/Extras.hsc" #-}
    let datap = (\hsc_ptr -> hsc_ptr `plusPtr` 28) p :: Ptr CLong
{-# LINE 1173 "Graphics/X11/Xlib/Extras.hsc" #-}
    poke        datap   (fromIntegral l_0_) -- does this work?
    pokeElemOff datap 1 (fromIntegral l_1_)

    return ()

setConfigureEvent :: XEventPtr -> Window -> Window -> CInt -> CInt -> CInt -> CInt -> CInt -> Window -> Bool -> IO ()
setConfigureEvent p ev win x y w h bw abv org = do
    (\hsc_ptr -> pokeByteOff hsc_ptr 16) p ev
{-# LINE 1181 "Graphics/X11/Xlib/Extras.hsc" #-}
    (\hsc_ptr -> pokeByteOff hsc_ptr 20) p win
{-# LINE 1182 "Graphics/X11/Xlib/Extras.hsc" #-}
    (\hsc_ptr -> pokeByteOff hsc_ptr 24) p x
{-# LINE 1183 "Graphics/X11/Xlib/Extras.hsc" #-}
    (\hsc_ptr -> pokeByteOff hsc_ptr 28) p y
{-# LINE 1184 "Graphics/X11/Xlib/Extras.hsc" #-}
    (\hsc_ptr -> pokeByteOff hsc_ptr 32) p w
{-# LINE 1185 "Graphics/X11/Xlib/Extras.hsc" #-}
    (\hsc_ptr -> pokeByteOff hsc_ptr 36) p h
{-# LINE 1186 "Graphics/X11/Xlib/Extras.hsc" #-}
    (\hsc_ptr -> pokeByteOff hsc_ptr 40) p bw
{-# LINE 1187 "Graphics/X11/Xlib/Extras.hsc" #-}
    (\hsc_ptr -> pokeByteOff hsc_ptr 44) p abv
{-# LINE 1188 "Graphics/X11/Xlib/Extras.hsc" #-}
    (\hsc_ptr -> pokeByteOff hsc_ptr 48) p (if org then 1 else 0 :: CInt)
{-# LINE 1189 "Graphics/X11/Xlib/Extras.hsc" #-}

setKeyEvent :: XEventPtr -> Window -> Window -> Window -> KeyMask -> KeyCode -> Bool -> IO ()
setKeyEvent p win root subwin state keycode sameScreen = do
    (\hsc_ptr -> pokeByteOff hsc_ptr 16) p win
{-# LINE 1193 "Graphics/X11/Xlib/Extras.hsc" #-}
    (\hsc_ptr -> pokeByteOff hsc_ptr 20) p root
{-# LINE 1194 "Graphics/X11/Xlib/Extras.hsc" #-}
    (\hsc_ptr -> pokeByteOff hsc_ptr 24) p subwin
{-# LINE 1195 "Graphics/X11/Xlib/Extras.hsc" #-}
    (\hsc_ptr -> pokeByteOff hsc_ptr 28) p currentTime
{-# LINE 1196 "Graphics/X11/Xlib/Extras.hsc" #-}
    (\hsc_ptr -> pokeByteOff hsc_ptr 32) p (1 :: CInt)
{-# LINE 1197 "Graphics/X11/Xlib/Extras.hsc" #-}
    (\hsc_ptr -> pokeByteOff hsc_ptr 36) p (1 :: CInt)
{-# LINE 1198 "Graphics/X11/Xlib/Extras.hsc" #-}
    (\hsc_ptr -> pokeByteOff hsc_ptr 40) p (1 :: CInt)
{-# LINE 1199 "Graphics/X11/Xlib/Extras.hsc" #-}
    (\hsc_ptr -> pokeByteOff hsc_ptr 44) p (1 :: CInt)
{-# LINE 1200 "Graphics/X11/Xlib/Extras.hsc" #-}
    (\hsc_ptr -> pokeByteOff hsc_ptr 48) p state
{-# LINE 1201 "Graphics/X11/Xlib/Extras.hsc" #-}
    (\hsc_ptr -> pokeByteOff hsc_ptr 52) p keycode
{-# LINE 1202 "Graphics/X11/Xlib/Extras.hsc" #-}
    (\hsc_ptr -> pokeByteOff hsc_ptr 56) p sameScreen
{-# LINE 1203 "Graphics/X11/Xlib/Extras.hsc" #-}
    return ()

{-
       typedef struct {
            int type;                /* ClientMessage */
            unsigned long serial;    /* # of last request processed by server */
            Bool send_event;         /* true if this came from a SendEvent request */
            Display *display;        /* Display the event was read from */
            Window window;
            Atom message_type;
            int format;
            union {
                 char b[20];
                 short s[10];
                 long l[5];
                    } data;
       } XClientMessageEvent;

-}

------------------------------------------------------------------------
-- XErrorEvents
-- 
-- I'm too lazy to write the binding
--

foreign import ccall unsafe "XlibExtras.h x11_extras_set_error_handler"
    xSetErrorHandler   :: IO ()

-- | refreshKeyboardMapping.  TODO Remove this binding when the fix has been commited to
-- X11
refreshKeyboardMapping :: Event -> IO ()
refreshKeyboardMapping ev@(MappingNotifyEvent {ev_event_display = (Display d)})
 = allocaBytes (32) $ \p -> do
{-# LINE 1237 "Graphics/X11/Xlib/Extras.hsc" #-}
    (\hsc_ptr -> pokeByteOff hsc_ptr 0) p $ ev_event_type    ev
{-# LINE 1238 "Graphics/X11/Xlib/Extras.hsc" #-}
    (\hsc_ptr -> pokeByteOff hsc_ptr 4) p $ ev_serial        ev
{-# LINE 1239 "Graphics/X11/Xlib/Extras.hsc" #-}
    (\hsc_ptr -> pokeByteOff hsc_ptr 8) p $ ev_send_event    ev
{-# LINE 1240 "Graphics/X11/Xlib/Extras.hsc" #-}
    (\hsc_ptr -> pokeByteOff hsc_ptr 12) p $ d
{-# LINE 1241 "Graphics/X11/Xlib/Extras.hsc" #-}
    (\hsc_ptr -> pokeByteOff hsc_ptr 16) p $ ev_window        ev
{-# LINE 1242 "Graphics/X11/Xlib/Extras.hsc" #-}
    (\hsc_ptr -> pokeByteOff hsc_ptr 20) p $ ev_request       ev
{-# LINE 1243 "Graphics/X11/Xlib/Extras.hsc" #-}
    (\hsc_ptr -> pokeByteOff hsc_ptr 24) p $ ev_first_keycode ev
{-# LINE 1244 "Graphics/X11/Xlib/Extras.hsc" #-}
    (\hsc_ptr -> pokeByteOff hsc_ptr 28) p $ ev_count         ev
{-# LINE 1245 "Graphics/X11/Xlib/Extras.hsc" #-}
    _ <- xRefreshKeyboardMapping p
    return ()
refreshKeyboardMapping _ = return ()

foreign import ccall unsafe "XlibExtras.h XRefreshKeyboardMapping"
    xRefreshKeyboardMapping :: Ptr () -> IO CInt

-- Properties

anyPropertyType :: Atom
anyPropertyType = 0
{-# LINE 1256 "Graphics/X11/Xlib/Extras.hsc" #-}

foreign import ccall unsafe "XlibExtras.h XChangeProperty"
    xChangeProperty :: Display -> Window -> Atom -> Atom -> CInt -> CInt -> Ptr CUChar -> CInt -> IO Status

foreign import ccall unsafe "XlibExtras.h XGetWindowProperty"
    xGetWindowProperty :: Display -> Window -> Atom -> CLong -> CLong -> Bool -> Atom -> Ptr Atom -> Ptr CInt -> Ptr CULong -> Ptr CULong -> Ptr (Ptr CUChar) -> IO Status

rawGetWindowProperty :: Storable a => Int -> Display -> Atom -> Window -> IO (Maybe [a])
rawGetWindowProperty bits d atom w =
    alloca $ \actual_type_return ->
    alloca $ \actual_format_return ->
    alloca $ \nitems_return ->
    alloca $ \bytes_after_return ->
    alloca $ \prop_return -> do
        ret <- xGetWindowProperty d w atom 0 0xFFFFFFFF False anyPropertyType
                           actual_type_return
                           actual_format_return
                           nitems_return
                           bytes_after_return
                           prop_return

        if ret /= 0
            then return Nothing
            else do
                prop_ptr      <- peek prop_return
                actual_format <- fromIntegral `fmap` peek actual_format_return
                nitems        <- fromIntegral `fmap` peek nitems_return
                getprop prop_ptr nitems actual_format
  where
    getprop prop_ptr nitems actual_format
        | actual_format == 0    = return Nothing -- Property not found
        | actual_format /= bits = xFree prop_ptr >> return Nothing
        | otherwise = do
            retval <- peekArray nitems (castPtr prop_ptr)
            _ <- xFree prop_ptr
            return $ Just retval

getWindowProperty8 :: Display -> Atom -> Window -> IO (Maybe [CChar])
getWindowProperty8 = rawGetWindowProperty 8

getWindowProperty16 :: Display -> Atom -> Window -> IO (Maybe [CShort])
getWindowProperty16 = rawGetWindowProperty 16

getWindowProperty32 :: Display -> Atom -> Window -> IO (Maybe [CLong])
getWindowProperty32 = rawGetWindowProperty 32

-- this assumes bytes are 8 bits.  I hope X isn't more portable than that :(

changeProperty8 :: Display -> Window -> Atom -> Atom -> CInt -> [CChar] -> IO ()
changeProperty8 dpy w prop typ mode dat =
    withArrayLen dat $ \ len ptr -> do
        _ <- xChangeProperty dpy w prop typ 8 mode (castPtr ptr) (fromIntegral len)
        return ()

changeProperty16 :: Display -> Window -> Atom -> Atom -> CInt -> [CShort] -> IO ()
changeProperty16 dpy w prop typ mode dat =
    withArrayLen dat $ \ len ptr -> do
        _ <- xChangeProperty dpy w prop typ 16 mode (castPtr ptr) (fromIntegral len)
        return ()

changeProperty32 :: Display -> Window -> Atom -> Atom -> CInt -> [CLong] -> IO ()
changeProperty32 dpy w prop typ mode dat =
    withArrayLen dat $ \ len ptr -> do
        _ <- xChangeProperty dpy w prop typ 32 mode (castPtr ptr) (fromIntegral len)
        return ()

propModeReplace, propModePrepend, propModeAppend :: CInt
propModeReplace = 0
{-# LINE 1324 "Graphics/X11/Xlib/Extras.hsc" #-}
propModePrepend = 1
{-# LINE 1325 "Graphics/X11/Xlib/Extras.hsc" #-}
propModeAppend = 2
{-# LINE 1326 "Graphics/X11/Xlib/Extras.hsc" #-}

-- Windows

foreign import ccall unsafe "XlibExtras.h XUnmapWindow"
    xUnmapWindow :: Display -> Window -> IO CInt

unmapWindow :: Display -> Window -> IO ()
unmapWindow d w = xUnmapWindow d w >> return ()

------------------------------------------------------------------------
-- Size hints

data SizeHints = SizeHints
                   { sh_min_size     :: Maybe (Dimension, Dimension)
                   , sh_max_size     :: Maybe (Dimension, Dimension)
                   , sh_resize_inc   :: Maybe (Dimension, Dimension)
                   , sh_aspect       :: Maybe ((Dimension, Dimension), (Dimension, Dimension))
                   , sh_base_size    :: Maybe (Dimension, Dimension)
                   , sh_win_gravity  :: Maybe (BitGravity)
                   }

pMinSizeBit, pMaxSizeBit, pResizeIncBit, pAspectBit, pBaseSizeBit, pWinGravityBit :: Int
pMinSizeBit    = 4
pMaxSizeBit    = 5
pResizeIncBit  = 6
pAspectBit     = 7
pBaseSizeBit   = 8
pWinGravityBit = 9

instance Storable SizeHints where
    alignment _ = alignment (undefined :: CInt)
    sizeOf _ = (72)
{-# LINE 1358 "Graphics/X11/Xlib/Extras.hsc" #-}

    poke p sh = do
      let whenSet f x = maybe (return ()) x (f sh)
      let pokeFlag b = do flag <- (\hsc_ptr -> peekByteOff hsc_ptr 0) p :: IO CLong
{-# LINE 1362 "Graphics/X11/Xlib/Extras.hsc" #-}
                          (\hsc_ptr -> pokeByteOff hsc_ptr 0) p (setBit flag b)
{-# LINE 1363 "Graphics/X11/Xlib/Extras.hsc" #-}
      (\hsc_ptr -> pokeByteOff hsc_ptr 0) p (0 :: CLong)
{-# LINE 1364 "Graphics/X11/Xlib/Extras.hsc" #-}
      whenSet sh_min_size $ \(w, h) -> do
        pokeFlag pMinSizeBit
        (\hsc_ptr -> pokeByteOff hsc_ptr 20) p w
{-# LINE 1367 "Graphics/X11/Xlib/Extras.hsc" #-}
        (\hsc_ptr -> pokeByteOff hsc_ptr 24) p h
{-# LINE 1368 "Graphics/X11/Xlib/Extras.hsc" #-}
      whenSet sh_max_size $ \(w, h) -> do
        pokeFlag pMaxSizeBit
        (\hsc_ptr -> pokeByteOff hsc_ptr 28) p w
{-# LINE 1371 "Graphics/X11/Xlib/Extras.hsc" #-}
        (\hsc_ptr -> pokeByteOff hsc_ptr 32) p h
{-# LINE 1372 "Graphics/X11/Xlib/Extras.hsc" #-}
      whenSet sh_resize_inc $ \(w, h) -> do
        pokeFlag pResizeIncBit
        (\hsc_ptr -> pokeByteOff hsc_ptr 36) p w
{-# LINE 1375 "Graphics/X11/Xlib/Extras.hsc" #-}
        (\hsc_ptr -> pokeByteOff hsc_ptr 40) p h
{-# LINE 1376 "Graphics/X11/Xlib/Extras.hsc" #-}
      whenSet sh_aspect $ \((minx, miny), (maxx, maxy)) -> do
        pokeFlag pAspectBit
        (\hsc_ptr -> pokeByteOff hsc_ptr 44) p minx
{-# LINE 1379 "Graphics/X11/Xlib/Extras.hsc" #-}
        (\hsc_ptr -> pokeByteOff hsc_ptr 48) p miny
{-# LINE 1380 "Graphics/X11/Xlib/Extras.hsc" #-}
        (\hsc_ptr -> pokeByteOff hsc_ptr 52) p maxx
{-# LINE 1381 "Graphics/X11/Xlib/Extras.hsc" #-}
        (\hsc_ptr -> pokeByteOff hsc_ptr 56) p maxy
{-# LINE 1382 "Graphics/X11/Xlib/Extras.hsc" #-}
      whenSet sh_base_size $ \(w, h) -> do
        pokeFlag pBaseSizeBit
        (\hsc_ptr -> pokeByteOff hsc_ptr 60) p w
{-# LINE 1385 "Graphics/X11/Xlib/Extras.hsc" #-}
        (\hsc_ptr -> pokeByteOff hsc_ptr 64) p h
{-# LINE 1386 "Graphics/X11/Xlib/Extras.hsc" #-}
      whenSet sh_win_gravity $ \g -> do
        pokeFlag pWinGravityBit
        (\hsc_ptr -> pokeByteOff hsc_ptr 68) p g
{-# LINE 1389 "Graphics/X11/Xlib/Extras.hsc" #-}

    peek p = do
      flags <- (\hsc_ptr -> peekByteOff hsc_ptr 0) p :: IO CLong
{-# LINE 1392 "Graphics/X11/Xlib/Extras.hsc" #-}
      let whenBit n x = if testBit flags n then liftM Just x else return Nothing
      return SizeHints
         `ap` whenBit pMinSizeBit    (do liftM2 (,) ((\hsc_ptr -> peekByteOff hsc_ptr 20) p)
{-# LINE 1395 "Graphics/X11/Xlib/Extras.hsc" #-}
                                                    ((\hsc_ptr -> peekByteOff hsc_ptr 24) p))
{-# LINE 1396 "Graphics/X11/Xlib/Extras.hsc" #-}
         `ap` whenBit pMaxSizeBit    (do liftM2 (,) ((\hsc_ptr -> peekByteOff hsc_ptr 28) p)
{-# LINE 1397 "Graphics/X11/Xlib/Extras.hsc" #-}
                                                    ((\hsc_ptr -> peekByteOff hsc_ptr 32) p))
{-# LINE 1398 "Graphics/X11/Xlib/Extras.hsc" #-}
         `ap` whenBit pResizeIncBit  (do liftM2 (,) ((\hsc_ptr -> peekByteOff hsc_ptr 36) p)
{-# LINE 1399 "Graphics/X11/Xlib/Extras.hsc" #-}
                                                    ((\hsc_ptr -> peekByteOff hsc_ptr 40) p))
{-# LINE 1400 "Graphics/X11/Xlib/Extras.hsc" #-}
         `ap` whenBit pAspectBit     (do minx <- (\hsc_ptr -> peekByteOff hsc_ptr 44) p
{-# LINE 1401 "Graphics/X11/Xlib/Extras.hsc" #-}
                                         miny <- (\hsc_ptr -> peekByteOff hsc_ptr 48) p
{-# LINE 1402 "Graphics/X11/Xlib/Extras.hsc" #-}
                                         maxx <- (\hsc_ptr -> peekByteOff hsc_ptr 52) p
{-# LINE 1403 "Graphics/X11/Xlib/Extras.hsc" #-}
                                         maxy <- (\hsc_ptr -> peekByteOff hsc_ptr 56) p
{-# LINE 1404 "Graphics/X11/Xlib/Extras.hsc" #-}
                                         return ((minx, miny), (maxx, maxy)))
         `ap` whenBit pBaseSizeBit   (do liftM2 (,) ((\hsc_ptr -> peekByteOff hsc_ptr 60) p)
{-# LINE 1406 "Graphics/X11/Xlib/Extras.hsc" #-}
                                                    ((\hsc_ptr -> peekByteOff hsc_ptr 64) p))
{-# LINE 1407 "Graphics/X11/Xlib/Extras.hsc" #-}
         `ap` whenBit pWinGravityBit ((\hsc_ptr -> peekByteOff hsc_ptr 68) p)
{-# LINE 1408 "Graphics/X11/Xlib/Extras.hsc" #-}


foreign import ccall unsafe "XlibExtras.h XGetWMNormalHints"
    xGetWMNormalHints :: Display -> Window -> Ptr SizeHints -> Ptr CLong -> IO Status

getWMNormalHints :: Display -> Window -> IO SizeHints
getWMNormalHints d w
    = alloca $ \sh -> do
        alloca $ \supplied_return -> do
          -- what's the purpose of supplied_return?
          status <- xGetWMNormalHints d w sh supplied_return
          case status of
            0 -> return (SizeHints Nothing Nothing Nothing Nothing Nothing Nothing)
            _ -> peek sh


data ClassHint = ClassHint
                        { resName  :: String
                        , resClass :: String
                        }

getClassHint :: Display -> Window -> IO ClassHint
getClassHint d w =  allocaBytes ((8)) $ \ p -> do
{-# LINE 1431 "Graphics/X11/Xlib/Extras.hsc" #-}
    s <- xGetClassHint d w p
    if s /= 0 -- returns a nonzero status on success
        then do
            res_name_p <- (\hsc_ptr -> peekByteOff hsc_ptr 0) p
{-# LINE 1435 "Graphics/X11/Xlib/Extras.hsc" #-}
            res_class_p <- (\hsc_ptr -> peekByteOff hsc_ptr 4) p
{-# LINE 1436 "Graphics/X11/Xlib/Extras.hsc" #-}
            res <- liftM2 ClassHint (peekCString res_name_p) (peekCString res_class_p)
            _ <- xFree res_name_p
            _ <- xFree res_class_p
            return res
        else return $ ClassHint "" ""

foreign import ccall unsafe "XlibExtras.h XGetClassHint"
    xGetClassHint :: Display -> Window -> Ptr ClassHint -> IO Status

------------------------------------------------------------------------
-- WM Hints

-- These are the documented values for a window's "WM State", set, for example,
-- in wmh_initial_state, below. Note, you may need to play games with
-- fromIntegral and/or fromEnum.
withdrawnState,normalState, iconicState :: Int
withdrawnState = 0
{-# LINE 1453 "Graphics/X11/Xlib/Extras.hsc" #-}
normalState    = 1
{-# LINE 1454 "Graphics/X11/Xlib/Extras.hsc" #-}
iconicState    = 3
{-# LINE 1455 "Graphics/X11/Xlib/Extras.hsc" #-}

-- The following values are the documented bit positions on XWMHints's flags field.
-- Use testBit, setBit, and clearBit to manipulate the field.
inputHintBit,stateHintBit,iconPixmapHintBit,iconWindowHintBit,iconPositionHintBit,iconMaskHintBit,windowGroupHintBit,urgencyHintBit :: Int
inputHintBit        = 0
stateHintBit        = 1
iconPixmapHintBit   = 2
iconWindowHintBit   = 3
iconPositionHintBit = 4
iconMaskHintBit     = 5
windowGroupHintBit  = 6
urgencyHintBit      = 8

-- The following bitmask tests for the presence of all bits except for the
-- urgencyHintBit.
allHintsBitmask :: CLong
allHintsBitmask    = 127
{-# LINE 1472 "Graphics/X11/Xlib/Extras.hsc" #-}

data WMHints = WMHints
                 { wmh_flags         :: CLong
                 , wmh_input         :: Bool
                 , wmh_initial_state :: CInt
                 , wmh_icon_pixmap   :: Pixmap
                 , wmh_icon_window   :: Window
                 , wmh_icon_x        :: CInt
                 , wmh_icon_y        :: CInt
                 , wmh_icon_mask     :: Pixmap
                 , wmh_window_group  :: XID
                 }

instance Storable WMHints where
    -- should align to the alignment of the largest type
    alignment _ = alignment (undefined :: CLong)
    sizeOf _ = (36)
{-# LINE 1489 "Graphics/X11/Xlib/Extras.hsc" #-}

    peek p = return WMHints
                `ap` (\hsc_ptr -> peekByteOff hsc_ptr 0)         p
{-# LINE 1492 "Graphics/X11/Xlib/Extras.hsc" #-}
                `ap` (\hsc_ptr -> peekByteOff hsc_ptr 4)         p
{-# LINE 1493 "Graphics/X11/Xlib/Extras.hsc" #-}
                `ap` (\hsc_ptr -> peekByteOff hsc_ptr 8) p
{-# LINE 1494 "Graphics/X11/Xlib/Extras.hsc" #-}
                `ap` (\hsc_ptr -> peekByteOff hsc_ptr 12)   p
{-# LINE 1495 "Graphics/X11/Xlib/Extras.hsc" #-}
                `ap` (\hsc_ptr -> peekByteOff hsc_ptr 16)   p
{-# LINE 1496 "Graphics/X11/Xlib/Extras.hsc" #-}
                `ap` (\hsc_ptr -> peekByteOff hsc_ptr 20)        p
{-# LINE 1497 "Graphics/X11/Xlib/Extras.hsc" #-}
                `ap` (\hsc_ptr -> peekByteOff hsc_ptr 20)        p
{-# LINE 1498 "Graphics/X11/Xlib/Extras.hsc" #-}
                `ap` (\hsc_ptr -> peekByteOff hsc_ptr 28)     p
{-# LINE 1499 "Graphics/X11/Xlib/Extras.hsc" #-}
                `ap` (\hsc_ptr -> peekByteOff hsc_ptr 32)  p
{-# LINE 1500 "Graphics/X11/Xlib/Extras.hsc" #-}

    poke p wmh = do
        (\hsc_ptr -> pokeByteOff hsc_ptr 0)         p $ wmh_flags         wmh
{-# LINE 1503 "Graphics/X11/Xlib/Extras.hsc" #-}
        (\hsc_ptr -> pokeByteOff hsc_ptr 4)         p $ wmh_input         wmh
{-# LINE 1504 "Graphics/X11/Xlib/Extras.hsc" #-}
        (\hsc_ptr -> pokeByteOff hsc_ptr 8) p $ wmh_initial_state wmh
{-# LINE 1505 "Graphics/X11/Xlib/Extras.hsc" #-}
        (\hsc_ptr -> pokeByteOff hsc_ptr 12)   p $ wmh_icon_pixmap   wmh
{-# LINE 1506 "Graphics/X11/Xlib/Extras.hsc" #-}
        (\hsc_ptr -> pokeByteOff hsc_ptr 16)   p $ wmh_icon_window   wmh
{-# LINE 1507 "Graphics/X11/Xlib/Extras.hsc" #-}
        (\hsc_ptr -> pokeByteOff hsc_ptr 20)        p $ wmh_icon_x        wmh
{-# LINE 1508 "Graphics/X11/Xlib/Extras.hsc" #-}
        (\hsc_ptr -> pokeByteOff hsc_ptr 24)        p $ wmh_icon_y        wmh
{-# LINE 1509 "Graphics/X11/Xlib/Extras.hsc" #-}
        (\hsc_ptr -> pokeByteOff hsc_ptr 28)     p $ wmh_icon_mask     wmh
{-# LINE 1510 "Graphics/X11/Xlib/Extras.hsc" #-}
        (\hsc_ptr -> pokeByteOff hsc_ptr 32)  p $ wmh_window_group  wmh
{-# LINE 1511 "Graphics/X11/Xlib/Extras.hsc" #-}

foreign import ccall unsafe "XlibExtras.h XGetWMHints"
    xGetWMHints :: Display -> Window -> IO (Ptr WMHints)

getWMHints :: Display -> Window -> IO WMHints
getWMHints dpy w = do
    p <- xGetWMHints dpy w
    if p == nullPtr
        then return $ WMHints 0 False 0 0 0 0 0 0 0
        else do x <- peek p; _ <- xFree p; return x

foreign import ccall unsafe "XlibExtras.h XAllocWMHints"
    xAllocWMHints :: IO (Ptr WMHints)

foreign import ccall unsafe "XlibExtras.h XSetWMHints"
    xSetWMHints :: Display -> Window -> Ptr WMHints -> IO Status

setWMHints :: Display -> Window -> WMHints -> IO Status
setWMHints dpy w wmh = do
    p_wmh <- xAllocWMHints
    poke p_wmh wmh
    res <- xSetWMHints dpy w p_wmh
    _ <- xFree p_wmh
    return res

------------------------------------------------------------------------
-- Keysym Macros
--
-- Which we have to wrap in functions, then bind here.

foreign import ccall unsafe "XlibExtras.h x11_extras_IsCursorKey"
    isCursorKey :: KeySym -> Bool
foreign import ccall unsafe "XlibExtras.h x11_extras_IsFunctionKey"
    isFunctionKey :: KeySym -> Bool
foreign import ccall unsafe "XlibExtras.h x11_extras_IsKeypadKey"
    isKeypadKey :: KeySym -> Bool
foreign import ccall unsafe "XlibExtras.h x11_extras_IsMiscFunctionKey"
    isMiscFunctionKey :: KeySym -> Bool
foreign import ccall unsafe "XlibExtras.h x11_extras_IsModifierKey"
    isModifierKey :: KeySym -> Bool
foreign import ccall unsafe "XlibExtras.h x11_extras_IsPFKey"
    isPFKey :: KeySym -> Bool
foreign import ccall unsafe "XlibExtras.h x11_extras_IsPrivateKeypadKey"
    isPrivateKeypadKey :: KeySym -> Bool

-------------------------------------------------------------------------------
-- Selections
--
foreign import ccall unsafe "HsXlib.h XSetSelectionOwner"
    xSetSelectionOwner :: Display -> Atom -> Window -> Time -> IO ()

foreign import ccall unsafe "HsXlib.h XGetSelectionOwner"
    xGetSelectionOwner :: Display -> Atom -> IO Window

foreign import ccall unsafe "HsXlib.h XConvertSelection"
    xConvertSelection :: Display -> Atom -> Atom -> Atom -> Window -> Time -> IO ()

-------------------------------------------------------------------------------
-- Error handling
--
type XErrorEventPtr = Ptr ()
type CXErrorHandler = Display -> XErrorEventPtr -> IO CInt
type XErrorHandler = Display -> XErrorEventPtr -> IO ()

data ErrorEvent = ErrorEvent {
    ev_type :: !CInt,
    ev_display :: Display,
    ev_serialnum :: !CULong,
    ev_error_code :: !CUChar,
    ev_request_code :: !CUChar,
    ev_minor_code :: !CUChar,
    ev_resourceid :: !XID
}

foreign import ccall safe "wrapper"
    mkXErrorHandler :: CXErrorHandler -> IO (FunPtr CXErrorHandler)
foreign import ccall safe "dynamic"
    getXErrorHandler :: FunPtr CXErrorHandler -> CXErrorHandler
foreign import ccall safe "HsXlib.h XSetErrorHandler"
    _xSetErrorHandler :: FunPtr CXErrorHandler -> IO (FunPtr CXErrorHandler)

-- |A binding to XSetErrorHandler.
--  NOTE:  This is pretty experimental because of safe vs. unsafe calls.  I
--  changed sync to a safe call, but there *might* be other calls that cause a
--  problem
setErrorHandler :: XErrorHandler -> IO ()
setErrorHandler new_handler = do
    _handler <- mkXErrorHandler (\d -> \e -> new_handler d e >> return 0)
    _ <- _xSetErrorHandler _handler
    return ()

-- |Retrieves error event data from a pointer to an XErrorEvent and
--  puts it into an ErrorEvent.
getErrorEvent :: XErrorEventPtr -> IO ErrorEvent
getErrorEvent ev_ptr = do
    _type <- (\hsc_ptr -> peekByteOff hsc_ptr 0) ev_ptr
{-# LINE 1607 "Graphics/X11/Xlib/Extras.hsc" #-}
    serial <- (\hsc_ptr -> peekByteOff hsc_ptr 12) ev_ptr
{-# LINE 1608 "Graphics/X11/Xlib/Extras.hsc" #-}
    dsp <- fmap Display ((\hsc_ptr -> peekByteOff hsc_ptr 4) ev_ptr)
{-# LINE 1609 "Graphics/X11/Xlib/Extras.hsc" #-}
    error_code <- (\hsc_ptr -> peekByteOff hsc_ptr 16) ev_ptr
{-# LINE 1610 "Graphics/X11/Xlib/Extras.hsc" #-}
    request_code <- (\hsc_ptr -> peekByteOff hsc_ptr 17) ev_ptr
{-# LINE 1611 "Graphics/X11/Xlib/Extras.hsc" #-}
    minor_code <- (\hsc_ptr -> peekByteOff hsc_ptr 18) ev_ptr
{-# LINE 1612 "Graphics/X11/Xlib/Extras.hsc" #-}
    resourceid <- (\hsc_ptr -> peekByteOff hsc_ptr 8) ev_ptr
{-# LINE 1613 "Graphics/X11/Xlib/Extras.hsc" #-}
    return $ ErrorEvent {
        ev_type = _type,
        ev_display = dsp,
        ev_serialnum = serial,
        ev_error_code = error_code,
        ev_request_code = request_code,
        ev_minor_code = minor_code,
        ev_resourceid = resourceid
    }

-- |A binding to XMapRaised.
foreign import ccall unsafe "HsXlib.h XMapRaised"
    mapRaised :: Display -> Window -> IO CInt

foreign import ccall unsafe "HsXlib.h XGetCommand"
    xGetCommand :: Display -> Window -> Ptr (Ptr CWString) -> Ptr CInt -> IO Status

getCommand :: Display -> Window -> IO [String]
getCommand d w =
  alloca $
  \argvp ->
  alloca $
  \argcp ->
  do
    _ <- throwIf (success >) (\status -> "xGetCommand returned status: " ++ show status) $ xGetCommand d w argvp argcp
    argc <- peek argcp
    argv <- peek argvp
    texts <- flip mapM [0 .. fromIntegral $ pred argc] $ \i -> peekElemOff argv i >>= peekCWString
    wcFreeStringList argv
    return texts

foreign import ccall unsafe "HsXlib.h XGetModifierMapping"
    xGetModifierMapping :: Display -> IO (Ptr ())

foreign import ccall unsafe "HsXlib.h XFreeModifiermap"
    xFreeModifiermap :: Ptr () -> IO (Ptr CInt)

getModifierMapping :: Display -> IO [(Modifier, [KeyCode])]
getModifierMapping d = do
    p <- xGetModifierMapping d
    m' <- (\hsc_ptr -> peekByteOff hsc_ptr 0) p :: IO CInt
{-# LINE 1654 "Graphics/X11/Xlib/Extras.hsc" #-}
    let m = fromIntegral m'
    pks <- (\hsc_ptr -> peekByteOff hsc_ptr 4) p :: IO (Ptr KeyCode)
{-# LINE 1656 "Graphics/X11/Xlib/Extras.hsc" #-}
    ks <- peekArray (m * 8) pks
    _ <- xFreeModifiermap p
    return . zip masks . map fst . tail . iterate (splitAt m . snd) $ ([], ks)
 where
    masks = [shiftMapIndex .. mod5MapIndex]