{- |
Copyright  : Will Thompson, Iñaki García Etxebarria and Jonas Platte
License    : LGPL-2.1
Maintainer : Iñaki García Etxebarria (inaki@blueleaf.cc)

Contains the fields which are common to all event structs.
Any event pointer can safely be cast to a pointer to a 'GI.Gdk.Structs.EventAny.EventAny' to
access these fields.
-}

#define ENABLE_OVERLOADING (MIN_VERSION_haskell_gi_overloading(1,0,0) \
       && !defined(__HADDOCK_VERSION__))

module GI.Gdk.Structs.EventAny
    ( 

-- * Exported types
    EventAny(..)                            ,
    newZeroEventAny                         ,
    noEventAny                              ,


 -- * Properties
-- ** sendEvent #attr:sendEvent#
{- | 'True' if the event was sent explicitly.
-}
#if ENABLE_OVERLOADING
    eventAny_sendEvent                      ,
#endif
    getEventAnySendEvent                    ,
    setEventAnySendEvent                    ,


-- ** type #attr:type#
{- | the type of the event.
-}
#if ENABLE_OVERLOADING
    eventAny_type                           ,
#endif
    getEventAnyType                         ,
    setEventAnyType                         ,


-- ** window #attr:window#
{- | the window which received the event.
-}
    clearEventAnyWindow                     ,
#if ENABLE_OVERLOADING
    eventAny_window                         ,
#endif
    getEventAnyWindow                       ,
    setEventAnyWindow                       ,




    ) where

import Data.GI.Base.ShortPrelude
import qualified Data.GI.Base.ShortPrelude as SP
import qualified Data.GI.Base.Overloading as O
import qualified Prelude as P

import qualified Data.GI.Base.Attributes as GI.Attributes
import qualified Data.GI.Base.ManagedPtr as B.ManagedPtr
import qualified Data.GI.Base.GClosure as B.GClosure
import qualified Data.GI.Base.GError as B.GError
import qualified Data.GI.Base.GVariant as B.GVariant
import qualified Data.GI.Base.GValue as B.GValue
import qualified Data.GI.Base.GParamSpec as B.GParamSpec
import qualified Data.GI.Base.CallStack as B.CallStack
import qualified Data.GI.Base.Properties as B.Properties
import qualified Data.Text as T
import qualified Data.ByteString.Char8 as B
import qualified Data.Map as Map
import qualified Foreign.Ptr as FP
import qualified GHC.OverloadedLabels as OL

import {-# SOURCE #-} qualified GI.Gdk.Enums as Gdk.Enums
import {-# SOURCE #-} qualified GI.Gdk.Objects.Window as Gdk.Window

-- | Memory-managed wrapper type.
newtype EventAny = EventAny (ManagedPtr EventAny)
instance WrappedPtr EventAny where
    wrappedPtrCalloc = callocBytes 24
    wrappedPtrCopy = \p -> withManagedPtr p (copyBytes 24 >=> wrapPtr EventAny)
    wrappedPtrFree = Just ptr_to_g_free

-- | Construct a `EventAny` struct initialized to zero.
newZeroEventAny :: MonadIO m => m EventAny
newZeroEventAny = liftIO $ wrappedPtrCalloc >>= wrapPtr EventAny

instance tag ~ 'AttrSet => Constructible EventAny tag where
    new _ attrs = do
        o <- newZeroEventAny
        GI.Attributes.set o attrs
        return o


-- | A convenience alias for `Nothing` :: `Maybe` `EventAny`.
noEventAny :: Maybe EventAny
noEventAny = Nothing

{- |
Get the value of the “@type@” field.
When <https://github.com/haskell-gi/haskell-gi/wiki/Overloading overloading> is enabled, this is equivalent to

@
'Data.GI.Base.Attributes.get' eventAny #type
@
-}
getEventAnyType :: MonadIO m => EventAny -> m Gdk.Enums.EventType
getEventAnyType s = liftIO $ withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 0) :: IO CInt
    let val' = (toEnum . fromIntegral) val
    return val'

{- |
Set the value of the “@type@” field.
When <https://github.com/haskell-gi/haskell-gi/wiki/Overloading overloading> is enabled, this is equivalent to

@
'Data.GI.Base.Attributes.set' eventAny [ #type 'Data.GI.Base.Attributes.:=' value ]
@
-}
setEventAnyType :: MonadIO m => EventAny -> Gdk.Enums.EventType -> m ()
setEventAnyType s val = liftIO $ withManagedPtr s $ \ptr -> do
    let val' = (fromIntegral . fromEnum) val
    poke (ptr `plusPtr` 0) (val' :: CInt)

#if ENABLE_OVERLOADING
data EventAnyTypeFieldInfo
instance AttrInfo EventAnyTypeFieldInfo where
    type AttrAllowedOps EventAnyTypeFieldInfo = '[ 'AttrSet, 'AttrGet]
    type AttrSetTypeConstraint EventAnyTypeFieldInfo = (~) Gdk.Enums.EventType
    type AttrBaseTypeConstraint EventAnyTypeFieldInfo = (~) EventAny
    type AttrGetType EventAnyTypeFieldInfo = Gdk.Enums.EventType
    type AttrLabel EventAnyTypeFieldInfo = "type"
    type AttrOrigin EventAnyTypeFieldInfo = EventAny
    attrGet _ = getEventAnyType
    attrSet _ = setEventAnyType
    attrConstruct = undefined
    attrClear _ = undefined

eventAny_type :: AttrLabelProxy "type"
eventAny_type = AttrLabelProxy

#endif


{- |
Get the value of the “@window@” field.
When <https://github.com/haskell-gi/haskell-gi/wiki/Overloading overloading> is enabled, this is equivalent to

@
'Data.GI.Base.Attributes.get' eventAny #window
@
-}
getEventAnyWindow :: MonadIO m => EventAny -> m (Maybe Gdk.Window.Window)
getEventAnyWindow s = liftIO $ withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 8) :: IO (Ptr Gdk.Window.Window)
    result <- SP.convertIfNonNull val $ \val' -> do
        val'' <- (newObject Gdk.Window.Window) val'
        return val''
    return result

{- |
Set the value of the “@window@” field.
When <https://github.com/haskell-gi/haskell-gi/wiki/Overloading overloading> is enabled, this is equivalent to

@
'Data.GI.Base.Attributes.set' eventAny [ #window 'Data.GI.Base.Attributes.:=' value ]
@
-}
setEventAnyWindow :: MonadIO m => EventAny -> Ptr Gdk.Window.Window -> m ()
setEventAnyWindow s val = liftIO $ withManagedPtr s $ \ptr -> do
    poke (ptr `plusPtr` 8) (val :: Ptr Gdk.Window.Window)

{- |
Set the value of the “@window@” field to `Nothing`.
When <https://github.com/haskell-gi/haskell-gi/wiki/Overloading overloading> is enabled, this is equivalent to

@
'Data.GI.Base.Attributes.clear' #window
@
-}
clearEventAnyWindow :: MonadIO m => EventAny -> m ()
clearEventAnyWindow s = liftIO $ withManagedPtr s $ \ptr -> do
    poke (ptr `plusPtr` 8) (FP.nullPtr :: Ptr Gdk.Window.Window)

#if ENABLE_OVERLOADING
data EventAnyWindowFieldInfo
instance AttrInfo EventAnyWindowFieldInfo where
    type AttrAllowedOps EventAnyWindowFieldInfo = '[ 'AttrSet, 'AttrGet, 'AttrClear]
    type AttrSetTypeConstraint EventAnyWindowFieldInfo = (~) (Ptr Gdk.Window.Window)
    type AttrBaseTypeConstraint EventAnyWindowFieldInfo = (~) EventAny
    type AttrGetType EventAnyWindowFieldInfo = Maybe Gdk.Window.Window
    type AttrLabel EventAnyWindowFieldInfo = "window"
    type AttrOrigin EventAnyWindowFieldInfo = EventAny
    attrGet _ = getEventAnyWindow
    attrSet _ = setEventAnyWindow
    attrConstruct = undefined
    attrClear _ = clearEventAnyWindow

eventAny_window :: AttrLabelProxy "window"
eventAny_window = AttrLabelProxy

#endif


{- |
Get the value of the “@send_event@” field.
When <https://github.com/haskell-gi/haskell-gi/wiki/Overloading overloading> is enabled, this is equivalent to

@
'Data.GI.Base.Attributes.get' eventAny #sendEvent
@
-}
getEventAnySendEvent :: MonadIO m => EventAny -> m Int8
getEventAnySendEvent s = liftIO $ withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 16) :: IO Int8
    return val

{- |
Set the value of the “@send_event@” field.
When <https://github.com/haskell-gi/haskell-gi/wiki/Overloading overloading> is enabled, this is equivalent to

@
'Data.GI.Base.Attributes.set' eventAny [ #sendEvent 'Data.GI.Base.Attributes.:=' value ]
@
-}
setEventAnySendEvent :: MonadIO m => EventAny -> Int8 -> m ()
setEventAnySendEvent s val = liftIO $ withManagedPtr s $ \ptr -> do
    poke (ptr `plusPtr` 16) (val :: Int8)

#if ENABLE_OVERLOADING
data EventAnySendEventFieldInfo
instance AttrInfo EventAnySendEventFieldInfo where
    type AttrAllowedOps EventAnySendEventFieldInfo = '[ 'AttrSet, 'AttrGet]
    type AttrSetTypeConstraint EventAnySendEventFieldInfo = (~) Int8
    type AttrBaseTypeConstraint EventAnySendEventFieldInfo = (~) EventAny
    type AttrGetType EventAnySendEventFieldInfo = Int8
    type AttrLabel EventAnySendEventFieldInfo = "send_event"
    type AttrOrigin EventAnySendEventFieldInfo = EventAny
    attrGet _ = getEventAnySendEvent
    attrSet _ = setEventAnySendEvent
    attrConstruct = undefined
    attrClear _ = undefined

eventAny_sendEvent :: AttrLabelProxy "sendEvent"
eventAny_sendEvent = AttrLabelProxy

#endif



#if ENABLE_OVERLOADING
instance O.HasAttributeList EventAny
type instance O.AttributeList EventAny = EventAnyAttributeList
type EventAnyAttributeList = ('[ '("type", EventAnyTypeFieldInfo), '("window", EventAnyWindowFieldInfo), '("sendEvent", EventAnySendEventFieldInfo)] :: [(Symbol, *)])
#endif

#if ENABLE_OVERLOADING
type family ResolveEventAnyMethod (t :: Symbol) (o :: *) :: * where
    ResolveEventAnyMethod l o = O.MethodResolutionFailed l o

instance (info ~ ResolveEventAnyMethod t EventAny, O.MethodInfo info EventAny p) => OL.IsLabel t (EventAny -> p) where
#if MIN_VERSION_base(4,10,0)
    fromLabel = O.overloadedMethod (O.MethodProxy :: O.MethodProxy info)
#else
    fromLabel _ = O.overloadedMethod (O.MethodProxy :: O.MethodProxy info)
#endif

#endif