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{-# LANGUAGE ForeignFunctionInterface #-}
module Wayland.Server.System where
#include <wayland-server.h>
import Foreign (FunPtr, Ptr, Storable(..), Int32, castPtr)
import Foreign.C (CString, CInt(..), CSize)
import Data.Word (Word32)
data WLMessage
= WLMessage { msgName :: CString
, msgSignature :: CString
, msgTypes :: Ptr (Ptr WLInterface)
}
deriving (Show)
data WLInterface
= WLInterface { ifName :: CString
, ifVersion :: CInt
, ifMethodCount :: CInt
, ifMethods :: Ptr WLMessage
, ifEventCount :: CInt
, ifEvents :: Ptr WLMessage
}
deriving (Show)
newtype WLFixed = WLFixed #{type wl_fixed_t}
deriving (Show)
data WLArray
= WLArray { arrSize :: CSize
, arrAlloc :: CSize
, arrData :: Ptr ()
}
deriving (Show)
data WLArgument = WLArgument
deriving (Show)
newtype WLDisplay = WLDisplay (Ptr WLDisplay) deriving (Show)
newtype WLEventLoop = WLEventLoop (Ptr WLEventLoop) deriving (Show)
newtype WLEventSource = WLEventSource (Ptr WLEventSource) deriving (Show)
newtype WLGlobal = WLGlobal (Ptr WLGlobal) deriving (Show)
newtype WLClient = WLClient (Ptr WLClient) deriving (Show)
newtype WLResource = WLResource (Ptr WLResource) deriving (Show)
type WLEventLoopSignalFunc = CInt -> Ptr () -> IO CInt
type WLGlobalBindFunc = WLClient -> Ptr () -> Word32 -> Word32 -> IO ()
type WLDispatcherFunc = Ptr () -> WLResource -> Word32 -> Ptr WLMessage -> Ptr WLArgument -> IO CInt
type WLResourceDestroyFunc = WLResource -> IO ()
foreign import ccall "wrapper"
wrapWLEventLoopSignalFunc :: WLEventLoopSignalFunc -> IO (FunPtr WLEventLoopSignalFunc)
foreign import ccall "wrapper"
wrapWLGlobalBindFunc :: WLGlobalBindFunc -> IO (FunPtr WLGlobalBindFunc)
foreign import ccall "wrapper"
wrapWLDispatcherFunc :: WLDispatcherFunc -> IO (FunPtr WLDispatcherFunc)
foreign import ccall "wrapper"
wrapWLResourceDestroyFunc :: WLResourceDestroyFunc -> IO (FunPtr WLResourceDestroyFunc)
foreign import ccall "wl_display_create"
wlDisplayCreate :: IO WLDisplay
foreign import ccall "wl_display_destroy"
wlDisplayDestroy :: WLDisplay -> IO ()
foreign import ccall "wl_display_flush_clients"
wlDisplayFlushClients :: WLDisplay -> IO ()
foreign import ccall "wl_display_add_socket_auto"
wlDisplayAddSocketAuto :: WLDisplay -> IO CString
foreign import ccall "wl_display_run"
wlDisplayRun :: WLDisplay -> IO ()
foreign import ccall "wl_display_terminate"
wlDisplayTerminate :: WLDisplay -> IO ()
foreign import ccall "wl_display_get_event_loop"
wlDisplayGetEventLoop :: WLDisplay -> IO WLEventLoop
foreign import ccall "wl_event_loop_add_signal"
wlEventLoopAddSignal :: WLEventLoop -> CInt -> FunPtr WLEventLoopSignalFunc -> Ptr () -> IO WLEventSource
foreign import ccall "wl_global_create"
wlGlobalCreate :: WLDisplay -> Ptr WLInterface -> CInt -> Ptr () -> FunPtr WLGlobalBindFunc -> IO WLGlobal
foreign import ccall "wl_resource_create"
wlResourceCreate :: WLClient -> Ptr WLInterface -> CInt -> Word32 -> IO WLResource
foreign import ccall "wl_resource_set_dispatcher"
wlResourceSetDispatcher :: WLResource -> FunPtr WLDispatcherFunc -> Ptr () -> Ptr () -> FunPtr WLResourceDestroyFunc -> IO ()
foreign import ccall "wl_resource_get_user_data"
wlResourceGetUserData :: WLResource -> IO (Ptr ())
foreign import ccall "wl_resource_post_event_array"
wlResourcePostEventArray :: WLResource -> Word32 -> Ptr WLArgument -> IO ()
foreign import ccall "wl_resource_destroy"
wlResourceDestroy :: WLResource -> IO ()
wlArgumentGetInt :: Ptr WLArgument -> IO Int32
wlArgumentGetInt = #{peek union wl_argument, i}
wlArgumentGetUInt :: Ptr WLArgument -> IO Word32
wlArgumentGetUInt = #{peek union wl_argument, u}
wlArgumentGetFixed :: Ptr WLArgument -> IO WLFixed
wlArgumentGetFixed = #{peek union wl_argument, f}
wlArgumentGetString :: Ptr WLArgument -> IO CString
wlArgumentGetString = #{peek union wl_argument, s}
wlArgumentGetObject :: Ptr WLArgument -> IO (Ptr ())
wlArgumentGetObject = #{peek union wl_argument, o}
wlArgumentGetNewID :: Ptr WLArgument -> IO Word32
wlArgumentGetNewID = #{peek union wl_argument, n}
wlArgumentGetArray :: Ptr WLArgument -> IO (Ptr WLArray)
wlArgumentGetArray = #{peek union wl_argument, a}
wlArgumentGetFD :: Ptr WLArgument -> IO Int32
wlArgumentGetFD = #{peek union wl_argument, h}
wlArgumentSetInt :: Int32 -> Ptr WLArgument -> IO ()
wlArgumentSetInt v p = #{poke union wl_argument, i} p v
wlArgumentSetUInt :: Word32 -> Ptr WLArgument -> IO ()
wlArgumentSetUInt v p = #{poke union wl_argument, u} p v
wlArgumentSetFixed :: WLFixed -> Ptr WLArgument -> IO ()
wlArgumentSetFixed v p = #{poke union wl_argument, f} p v
wlArgumentSetString :: CString -> Ptr WLArgument -> IO ()
wlArgumentSetString v p = #{poke union wl_argument, s} p v
wlArgumentSetObject :: Ptr () -> Ptr WLArgument -> IO ()
wlArgumentSetObject v p = #{poke union wl_argument, o} p v
wlArgumentSetNewID :: Word32 -> Ptr WLArgument -> IO ()
wlArgumentSetNewID v p = #{poke union wl_argument, n} p v
wlArgumentSetArray :: Ptr WLArray -> Ptr WLArgument -> IO ()
wlArgumentSetArray v p = #{poke union wl_argument, a} p v
wlArgumentSetFD :: Int32 -> Ptr WLArgument -> IO ()
wlArgumentSetFD v p = #{poke union wl_argument, h} p v
instance Storable WLMessage where
sizeOf _ = #{size struct wl_message}
alignment _ = #{alignment struct wl_message}
peek p = do
name <- #{peek struct wl_message, name} p
signature <- #{peek struct wl_message, signature} p
types <- #{peek struct wl_message, types} p
return $ WLMessage { msgName = name
, msgSignature = signature
, msgTypes = types
}
poke p m = do
#{poke struct wl_message, name} p $ msgName m
#{poke struct wl_message, signature} p $ msgSignature m
#{poke struct wl_message, types} p $ msgTypes m
return ()
instance Storable WLInterface where
sizeOf _ = #{size struct wl_interface}
alignment _ = #{alignment struct wl_interface}
peek p = do
name <- #{peek struct wl_interface, name} p
version <- #{peek struct wl_interface, version} p
methodCount <- #{peek struct wl_interface, method_count} p
methods <- #{peek struct wl_interface, methods} p
eventCount <- #{peek struct wl_interface, event_count} p
events <- #{peek struct wl_interface, events} p
return $ WLInterface { ifName = name
, ifVersion = version
, ifMethodCount = methodCount
, ifMethods = methods
, ifEventCount = eventCount
, ifEvents = events
}
poke p m = do
#{poke struct wl_interface, name} p $ ifName m
#{poke struct wl_interface, version} p $ ifVersion m
#{poke struct wl_interface, method_count} p $ ifMethodCount m
#{poke struct wl_interface, methods} p $ ifMethods m
#{poke struct wl_interface, event_count} p $ ifEventCount m
#{poke struct wl_interface, events} p $ ifEvents m
return ()
instance Storable WLArray where
sizeOf _ = #{size struct wl_array}
alignment _ = #{alignment struct wl_array}
peek p = do
aSize <- #{peek struct wl_array, size} p
aAlloc <- #{peek struct wl_array, alloc} p
aData <- #{peek struct wl_array, data} p
return $ WLArray { arrSize = aSize
, arrAlloc = aAlloc
, arrData = aData
}
poke p m = do
#{poke struct wl_array, size} p $ arrSize m
#{poke struct wl_array, alloc} p $ arrAlloc m
#{poke struct wl_array, data} p $ arrData m
return ()
instance Storable WLFixed where
sizeOf _ = sizeOf (undefined :: #{type wl_fixed_t})
alignment _ = alignment (undefined :: #{type wl_fixed_t})
peek p = WLFixed <$> peek (castPtr p)
poke p (WLFixed v) = poke (castPtr p) v
instance Storable WLArgument where
sizeOf _ = #{size union wl_argument}
alignment _ = #{alignment union wl_argument}
peek _ = pure WLArgument
poke _ _ = pure ()
|
