{-# LANGUAGE TypeApplications #-}


-- | Copyright  : Will Thompson, Iñaki García Etxebarria and Jonas Platte
-- License    : LGPL-2.1
-- Maintainer : Iñaki García Etxebarria
-- 
-- An AtkRelation describes a relation between an object and one or
-- more other objects. The actual relations that an object has with
-- other objects are defined as an AtkRelationSet, which is a set of
-- AtkRelations.

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

module GI.Atk.Objects.Relation
    (

-- * Exported types
    Relation(..)                            ,
    IsRelation                              ,
    toRelation                              ,
    noRelation                              ,


 -- * Methods
-- ** Overloaded methods #method:Overloaded methods#

#if defined(ENABLE_OVERLOADING)
    ResolveRelationMethod                   ,
#endif


-- ** addTarget #method:addTarget#

#if defined(ENABLE_OVERLOADING)
    RelationAddTargetMethodInfo             ,
#endif
    relationAddTarget                       ,


-- ** getRelationType #method:getRelationType#

#if defined(ENABLE_OVERLOADING)
    RelationGetRelationTypeMethodInfo       ,
#endif
    relationGetRelationType                 ,


-- ** getTarget #method:getTarget#

#if defined(ENABLE_OVERLOADING)
    RelationGetTargetMethodInfo             ,
#endif
    relationGetTarget                       ,


-- ** new #method:new#

    relationNew                             ,


-- ** removeTarget #method:removeTarget#

#if defined(ENABLE_OVERLOADING)
    RelationRemoveTargetMethodInfo          ,
#endif
    relationRemoveTarget                    ,




 -- * Properties
-- ** relationType #attr:relationType#
-- | /No description available in the introspection data./

#if defined(ENABLE_OVERLOADING)
    RelationRelationTypePropertyInfo        ,
#endif
    constructRelationRelationType           ,
    getRelationRelationType                 ,
#if defined(ENABLE_OVERLOADING)
    relationRelationType                    ,
#endif
    setRelationRelationType                 ,


-- ** target #attr:target#
-- | /No description available in the introspection data./

#if defined(ENABLE_OVERLOADING)
    RelationTargetPropertyInfo              ,
#endif
    clearRelationTarget                     ,
    constructRelationTarget                 ,
    getRelationTarget                       ,
#if defined(ENABLE_OVERLOADING)
    relationTarget                          ,
#endif
    setRelationTarget                       ,




    ) 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.GI.Base.Signals as B.Signals
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.Atk.Enums as Atk.Enums
import {-# SOURCE #-} qualified GI.Atk.Objects.Object as Atk.Object
import qualified GI.GObject.Objects.Object as GObject.Object
import qualified GI.GObject.Structs.ValueArray as GObject.ValueArray

-- | Memory-managed wrapper type.
newtype Relation = Relation (ManagedPtr Relation)
    deriving (Eq)
foreign import ccall "atk_relation_get_type"
    c_atk_relation_get_type :: IO GType

instance GObject Relation where
    gobjectType = c_atk_relation_get_type


-- | Convert 'Relation' to and from 'Data.GI.Base.GValue.GValue' with 'Data.GI.Base.GValue.toGValue' and 'Data.GI.Base.GValue.fromGValue'.
instance B.GValue.IsGValue Relation where
    toGValue o = do
        gtype <- c_atk_relation_get_type
        B.ManagedPtr.withManagedPtr o (B.GValue.buildGValue gtype B.GValue.set_object)

    fromGValue gv = do
        ptr <- B.GValue.get_object gv :: IO (Ptr Relation)
        B.ManagedPtr.newObject Relation ptr



-- | Type class for types which can be safely cast to `Relation`, for instance with `toRelation`.
class (GObject o, O.IsDescendantOf Relation o) => IsRelation o
instance (GObject o, O.IsDescendantOf Relation o) => IsRelation o

instance O.HasParentTypes Relation
type instance O.ParentTypes Relation = '[GObject.Object.Object]

-- | Cast to `Relation`, for types for which this is known to be safe. For general casts, use `Data.GI.Base.ManagedPtr.castTo`.
toRelation :: (MonadIO m, IsRelation o) => o -> m Relation
toRelation = liftIO . unsafeCastTo Relation

-- | A convenience alias for `Nothing` :: `Maybe` `Relation`.
noRelation :: Maybe Relation
noRelation = Nothing

#if defined(ENABLE_OVERLOADING)
type family ResolveRelationMethod (t :: Symbol) (o :: *) :: * where
    ResolveRelationMethod "addTarget" o = RelationAddTargetMethodInfo
    ResolveRelationMethod "bindProperty" o = GObject.Object.ObjectBindPropertyMethodInfo
    ResolveRelationMethod "bindPropertyFull" o = GObject.Object.ObjectBindPropertyFullMethodInfo
    ResolveRelationMethod "forceFloating" o = GObject.Object.ObjectForceFloatingMethodInfo
    ResolveRelationMethod "freezeNotify" o = GObject.Object.ObjectFreezeNotifyMethodInfo
    ResolveRelationMethod "getv" o = GObject.Object.ObjectGetvMethodInfo
    ResolveRelationMethod "isFloating" o = GObject.Object.ObjectIsFloatingMethodInfo
    ResolveRelationMethod "notify" o = GObject.Object.ObjectNotifyMethodInfo
    ResolveRelationMethod "notifyByPspec" o = GObject.Object.ObjectNotifyByPspecMethodInfo
    ResolveRelationMethod "ref" o = GObject.Object.ObjectRefMethodInfo
    ResolveRelationMethod "refSink" o = GObject.Object.ObjectRefSinkMethodInfo
    ResolveRelationMethod "removeTarget" o = RelationRemoveTargetMethodInfo
    ResolveRelationMethod "runDispose" o = GObject.Object.ObjectRunDisposeMethodInfo
    ResolveRelationMethod "stealData" o = GObject.Object.ObjectStealDataMethodInfo
    ResolveRelationMethod "stealQdata" o = GObject.Object.ObjectStealQdataMethodInfo
    ResolveRelationMethod "thawNotify" o = GObject.Object.ObjectThawNotifyMethodInfo
    ResolveRelationMethod "unref" o = GObject.Object.ObjectUnrefMethodInfo
    ResolveRelationMethod "watchClosure" o = GObject.Object.ObjectWatchClosureMethodInfo
    ResolveRelationMethod "getData" o = GObject.Object.ObjectGetDataMethodInfo
    ResolveRelationMethod "getProperty" o = GObject.Object.ObjectGetPropertyMethodInfo
    ResolveRelationMethod "getQdata" o = GObject.Object.ObjectGetQdataMethodInfo
    ResolveRelationMethod "getRelationType" o = RelationGetRelationTypeMethodInfo
    ResolveRelationMethod "getTarget" o = RelationGetTargetMethodInfo
    ResolveRelationMethod "setData" o = GObject.Object.ObjectSetDataMethodInfo
    ResolveRelationMethod "setDataFull" o = GObject.Object.ObjectSetDataFullMethodInfo
    ResolveRelationMethod "setProperty" o = GObject.Object.ObjectSetPropertyMethodInfo
    ResolveRelationMethod l o = O.MethodResolutionFailed l o

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

#endif

-- VVV Prop "relation-type"
   -- Type: TInterface (Name {namespace = "Atk", name = "RelationType"})
   -- Flags: [PropertyReadable,PropertyWritable]
   -- Nullable: (Just False,Nothing)

-- | Get the value of the “@relation-type@” property.
-- When <https://github.com/haskell-gi/haskell-gi/wiki/Overloading overloading> is enabled, this is equivalent to
-- 
-- @
-- 'Data.GI.Base.Attributes.get' relation #relationType
-- @
getRelationRelationType :: (MonadIO m, IsRelation o) => o -> m Atk.Enums.RelationType
getRelationRelationType obj = liftIO $ B.Properties.getObjectPropertyEnum obj "relation-type"

-- | Set the value of the “@relation-type@” property.
-- When <https://github.com/haskell-gi/haskell-gi/wiki/Overloading overloading> is enabled, this is equivalent to
-- 
-- @
-- 'Data.GI.Base.Attributes.set' relation [ #relationType 'Data.GI.Base.Attributes.:=' value ]
-- @
setRelationRelationType :: (MonadIO m, IsRelation o) => o -> Atk.Enums.RelationType -> m ()
setRelationRelationType obj val = liftIO $ B.Properties.setObjectPropertyEnum obj "relation-type" val

-- | Construct a `GValueConstruct` with valid value for the “@relation-type@” property. This is rarely needed directly, but it is used by `Data.GI.Base.Constructible.new`.
constructRelationRelationType :: (IsRelation o) => Atk.Enums.RelationType -> IO (GValueConstruct o)
constructRelationRelationType val = B.Properties.constructObjectPropertyEnum "relation-type" val

#if defined(ENABLE_OVERLOADING)
data RelationRelationTypePropertyInfo
instance AttrInfo RelationRelationTypePropertyInfo where
    type AttrAllowedOps RelationRelationTypePropertyInfo = '[ 'AttrSet, 'AttrConstruct, 'AttrGet]
    type AttrBaseTypeConstraint RelationRelationTypePropertyInfo = IsRelation
    type AttrSetTypeConstraint RelationRelationTypePropertyInfo = (~) Atk.Enums.RelationType
    type AttrTransferTypeConstraint RelationRelationTypePropertyInfo = (~) Atk.Enums.RelationType
    type AttrTransferType RelationRelationTypePropertyInfo = Atk.Enums.RelationType
    type AttrGetType RelationRelationTypePropertyInfo = Atk.Enums.RelationType
    type AttrLabel RelationRelationTypePropertyInfo = "relation-type"
    type AttrOrigin RelationRelationTypePropertyInfo = Relation
    attrGet = getRelationRelationType
    attrSet = setRelationRelationType
    attrTransfer _ v = do
        return v
    attrConstruct = constructRelationRelationType
    attrClear = undefined
#endif

-- VVV Prop "target"
   -- Type: TInterface (Name {namespace = "GObject", name = "ValueArray"})
   -- Flags: [PropertyReadable,PropertyWritable]
   -- Nullable: (Nothing,Nothing)

-- | Get the value of the “@target@” property.
-- When <https://github.com/haskell-gi/haskell-gi/wiki/Overloading overloading> is enabled, this is equivalent to
-- 
-- @
-- 'Data.GI.Base.Attributes.get' relation #target
-- @
getRelationTarget :: (MonadIO m, IsRelation o) => o -> m (Maybe GObject.ValueArray.ValueArray)
getRelationTarget obj = liftIO $ B.Properties.getObjectPropertyBoxed obj "target" GObject.ValueArray.ValueArray

-- | Set the value of the “@target@” property.
-- When <https://github.com/haskell-gi/haskell-gi/wiki/Overloading overloading> is enabled, this is equivalent to
-- 
-- @
-- 'Data.GI.Base.Attributes.set' relation [ #target 'Data.GI.Base.Attributes.:=' value ]
-- @
setRelationTarget :: (MonadIO m, IsRelation o) => o -> GObject.ValueArray.ValueArray -> m ()
setRelationTarget obj val = liftIO $ B.Properties.setObjectPropertyBoxed obj "target" (Just val)

-- | Construct a `GValueConstruct` with valid value for the “@target@” property. This is rarely needed directly, but it is used by `Data.GI.Base.Constructible.new`.
constructRelationTarget :: (IsRelation o) => GObject.ValueArray.ValueArray -> IO (GValueConstruct o)
constructRelationTarget val = B.Properties.constructObjectPropertyBoxed "target" (Just val)

-- | Set the value of the “@target@” property to `Nothing`.
-- When <https://github.com/haskell-gi/haskell-gi/wiki/Overloading overloading> is enabled, this is equivalent to
-- 
-- @
-- 'Data.GI.Base.Attributes.clear' #target
-- @
clearRelationTarget :: (MonadIO m, IsRelation o) => o -> m ()
clearRelationTarget obj = liftIO $ B.Properties.setObjectPropertyBoxed obj "target" (Nothing :: Maybe GObject.ValueArray.ValueArray)

#if defined(ENABLE_OVERLOADING)
data RelationTargetPropertyInfo
instance AttrInfo RelationTargetPropertyInfo where
    type AttrAllowedOps RelationTargetPropertyInfo = '[ 'AttrSet, 'AttrConstruct, 'AttrGet, 'AttrClear]
    type AttrBaseTypeConstraint RelationTargetPropertyInfo = IsRelation
    type AttrSetTypeConstraint RelationTargetPropertyInfo = (~) GObject.ValueArray.ValueArray
    type AttrTransferTypeConstraint RelationTargetPropertyInfo = (~) GObject.ValueArray.ValueArray
    type AttrTransferType RelationTargetPropertyInfo = GObject.ValueArray.ValueArray
    type AttrGetType RelationTargetPropertyInfo = (Maybe GObject.ValueArray.ValueArray)
    type AttrLabel RelationTargetPropertyInfo = "target"
    type AttrOrigin RelationTargetPropertyInfo = Relation
    attrGet = getRelationTarget
    attrSet = setRelationTarget
    attrTransfer _ v = do
        return v
    attrConstruct = constructRelationTarget
    attrClear = clearRelationTarget
#endif

#if defined(ENABLE_OVERLOADING)
instance O.HasAttributeList Relation
type instance O.AttributeList Relation = RelationAttributeList
type RelationAttributeList = ('[ '("relationType", RelationRelationTypePropertyInfo), '("target", RelationTargetPropertyInfo)] :: [(Symbol, *)])
#endif

#if defined(ENABLE_OVERLOADING)
relationRelationType :: AttrLabelProxy "relationType"
relationRelationType = AttrLabelProxy

relationTarget :: AttrLabelProxy "target"
relationTarget = AttrLabelProxy

#endif

#if defined(ENABLE_OVERLOADING)
type instance O.SignalList Relation = RelationSignalList
type RelationSignalList = ('[ '("notify", GObject.Object.ObjectNotifySignalInfo)] :: [(Symbol, *)])

#endif

-- method Relation::new
-- method type : Constructor
-- Args: [ Arg
--           { argCName = "targets"
--           , argType =
--               TCArray
--                 False
--                 (-1)
--                 1
--                 (TInterface Name { namespace = "Atk" , name = "Object" })
--           , direction = DirectionIn
--           , mayBeNull = False
--           , argDoc =
--               Documentation
--                 { rawDocText = Just "an array of pointers to\n #AtkObjects"
--                 , sinceVersion = Nothing
--                 }
--           , argScope = ScopeTypeInvalid
--           , argClosure = -1
--           , argDestroy = -1
--           , argCallerAllocates = False
--           , transfer = TransferNothing
--           }
--       , Arg
--           { argCName = "n_targets"
--           , argType = TBasicType TInt
--           , direction = DirectionIn
--           , mayBeNull = False
--           , argDoc =
--               Documentation
--                 { rawDocText = Just "number of #AtkObjects pointed to by @targets"
--                 , sinceVersion = Nothing
--                 }
--           , argScope = ScopeTypeInvalid
--           , argClosure = -1
--           , argDestroy = -1
--           , argCallerAllocates = False
--           , transfer = TransferNothing
--           }
--       , Arg
--           { argCName = "relationship"
--           , argType =
--               TInterface Name { namespace = "Atk" , name = "RelationType" }
--           , direction = DirectionIn
--           , mayBeNull = False
--           , argDoc =
--               Documentation
--                 { rawDocText =
--                     Just
--                       "an #AtkRelationType with which to create the new\n #AtkRelation"
--                 , sinceVersion = Nothing
--                 }
--           , argScope = ScopeTypeInvalid
--           , argClosure = -1
--           , argDestroy = -1
--           , argCallerAllocates = False
--           , transfer = TransferNothing
--           }
--       ]
-- Lengths: [ Arg
--              { argCName = "n_targets"
--              , argType = TBasicType TInt
--              , direction = DirectionIn
--              , mayBeNull = False
--              , argDoc =
--                  Documentation
--                    { rawDocText = Just "number of #AtkObjects pointed to by @targets"
--                    , sinceVersion = Nothing
--                    }
--              , argScope = ScopeTypeInvalid
--              , argClosure = -1
--              , argDestroy = -1
--              , argCallerAllocates = False
--              , transfer = TransferNothing
--              }
--          ]
-- returnType: Just (TInterface Name { namespace = "Atk" , name = "Relation" })
-- throws : False
-- Skip return : False

foreign import ccall "atk_relation_new" atk_relation_new ::
    Ptr (Ptr Atk.Object.Object) ->          -- targets : TCArray False (-1) 1 (TInterface (Name {namespace = "Atk", name = "Object"}))
    Int32 ->                                -- n_targets : TBasicType TInt
    CUInt ->                                -- relationship : TInterface (Name {namespace = "Atk", name = "RelationType"})
    IO (Ptr Relation)

-- | Create a new relation for the specified key and the specified list
-- of targets.  See also 'GI.Atk.Objects.Object.objectAddRelationship'.
relationNew ::
    (B.CallStack.HasCallStack, MonadIO m) =>
    [Atk.Object.Object]
    -- ^ /@targets@/: an array of pointers to
    --  @/AtkObjects/@
    -> Atk.Enums.RelationType
    -- ^ /@relationship@/: an t'GI.Atk.Enums.RelationType' with which to create the new
    --  t'GI.Atk.Objects.Relation.Relation'
    -> m Relation
    -- ^ __Returns:__ a pointer to a new t'GI.Atk.Objects.Relation.Relation'
relationNew targets relationship = liftIO $ do
    let nTargets = fromIntegral $ length targets
    targets' <- mapM unsafeManagedPtrCastPtr targets
    targets'' <- packPtrArray targets'
    let relationship' = (fromIntegral . fromEnum) relationship
    result <- atk_relation_new targets'' nTargets relationship'
    checkUnexpectedReturnNULL "relationNew" result
    result' <- (wrapObject Relation) result
    mapM_ touchManagedPtr targets
    freeMem targets''
    return result'

#if defined(ENABLE_OVERLOADING)
#endif

-- method Relation::add_target
-- method type : OrdinaryMethod
-- Args: [ Arg
--           { argCName = "relation"
--           , argType =
--               TInterface Name { namespace = "Atk" , name = "Relation" }
--           , direction = DirectionIn
--           , mayBeNull = False
--           , argDoc =
--               Documentation
--                 { rawDocText = Just "an #AtkRelation" , sinceVersion = Nothing }
--           , argScope = ScopeTypeInvalid
--           , argClosure = -1
--           , argDestroy = -1
--           , argCallerAllocates = False
--           , transfer = TransferNothing
--           }
--       , Arg
--           { argCName = "target"
--           , argType = TInterface Name { namespace = "Atk" , name = "Object" }
--           , direction = DirectionIn
--           , mayBeNull = False
--           , argDoc =
--               Documentation
--                 { rawDocText = Just "an #AtkObject" , sinceVersion = Nothing }
--           , argScope = ScopeTypeInvalid
--           , argClosure = -1
--           , argDestroy = -1
--           , argCallerAllocates = False
--           , transfer = TransferNothing
--           }
--       ]
-- Lengths: []
-- returnType: Nothing
-- throws : False
-- Skip return : False

foreign import ccall "atk_relation_add_target" atk_relation_add_target ::
    Ptr Relation ->                         -- relation : TInterface (Name {namespace = "Atk", name = "Relation"})
    Ptr Atk.Object.Object ->                -- target : TInterface (Name {namespace = "Atk", name = "Object"})
    IO ()

-- | Adds the specified AtkObject to the target for the relation, if it is
-- not already present.  See also 'GI.Atk.Objects.Object.objectAddRelationship'.
-- 
-- /Since: 1.9/
relationAddTarget ::
    (B.CallStack.HasCallStack, MonadIO m, IsRelation a, Atk.Object.IsObject b) =>
    a
    -- ^ /@relation@/: an t'GI.Atk.Objects.Relation.Relation'
    -> b
    -- ^ /@target@/: an t'GI.Atk.Objects.Object.Object'
    -> m ()
relationAddTarget relation target = liftIO $ do
    relation' <- unsafeManagedPtrCastPtr relation
    target' <- unsafeManagedPtrCastPtr target
    atk_relation_add_target relation' target'
    touchManagedPtr relation
    touchManagedPtr target
    return ()

#if defined(ENABLE_OVERLOADING)
data RelationAddTargetMethodInfo
instance (signature ~ (b -> m ()), MonadIO m, IsRelation a, Atk.Object.IsObject b) => O.MethodInfo RelationAddTargetMethodInfo a signature where
    overloadedMethod = relationAddTarget

#endif

-- method Relation::get_relation_type
-- method type : OrdinaryMethod
-- Args: [ Arg
--           { argCName = "relation"
--           , argType =
--               TInterface Name { namespace = "Atk" , name = "Relation" }
--           , direction = DirectionIn
--           , mayBeNull = False
--           , argDoc =
--               Documentation
--                 { rawDocText = Just "an #AtkRelation" , sinceVersion = Nothing }
--           , argScope = ScopeTypeInvalid
--           , argClosure = -1
--           , argDestroy = -1
--           , argCallerAllocates = False
--           , transfer = TransferNothing
--           }
--       ]
-- Lengths: []
-- returnType: Just
--               (TInterface Name { namespace = "Atk" , name = "RelationType" })
-- throws : False
-- Skip return : False

foreign import ccall "atk_relation_get_relation_type" atk_relation_get_relation_type ::
    Ptr Relation ->                         -- relation : TInterface (Name {namespace = "Atk", name = "Relation"})
    IO CUInt

-- | Gets the type of /@relation@/
relationGetRelationType ::
    (B.CallStack.HasCallStack, MonadIO m, IsRelation a) =>
    a
    -- ^ /@relation@/: an t'GI.Atk.Objects.Relation.Relation'
    -> m Atk.Enums.RelationType
    -- ^ __Returns:__ the type of /@relation@/
relationGetRelationType relation = liftIO $ do
    relation' <- unsafeManagedPtrCastPtr relation
    result <- atk_relation_get_relation_type relation'
    let result' = (toEnum . fromIntegral) result
    touchManagedPtr relation
    return result'

#if defined(ENABLE_OVERLOADING)
data RelationGetRelationTypeMethodInfo
instance (signature ~ (m Atk.Enums.RelationType), MonadIO m, IsRelation a) => O.MethodInfo RelationGetRelationTypeMethodInfo a signature where
    overloadedMethod = relationGetRelationType

#endif

-- method Relation::get_target
-- method type : OrdinaryMethod
-- Args: [ Arg
--           { argCName = "relation"
--           , argType =
--               TInterface Name { namespace = "Atk" , name = "Relation" }
--           , direction = DirectionIn
--           , mayBeNull = False
--           , argDoc =
--               Documentation
--                 { rawDocText = Just "an #AtkRelation" , sinceVersion = Nothing }
--           , argScope = ScopeTypeInvalid
--           , argClosure = -1
--           , argDestroy = -1
--           , argCallerAllocates = False
--           , transfer = TransferNothing
--           }
--       ]
-- Lengths: []
-- returnType: Just
--               (TPtrArray
--                  (TInterface Name { namespace = "Atk" , name = "Object" }))
-- throws : False
-- Skip return : False

foreign import ccall "atk_relation_get_target" atk_relation_get_target ::
    Ptr Relation ->                         -- relation : TInterface (Name {namespace = "Atk", name = "Relation"})
    IO (Ptr (GPtrArray (Ptr Atk.Object.Object)))

-- | Gets the target list of /@relation@/
relationGetTarget ::
    (B.CallStack.HasCallStack, MonadIO m, IsRelation a) =>
    a
    -- ^ /@relation@/: an t'GI.Atk.Objects.Relation.Relation'
    -> m [Atk.Object.Object]
    -- ^ __Returns:__ the target list of /@relation@/
relationGetTarget relation = liftIO $ do
    relation' <- unsafeManagedPtrCastPtr relation
    result <- atk_relation_get_target relation'
    checkUnexpectedReturnNULL "relationGetTarget" result
    result' <- unpackGPtrArray result
    result'' <- mapM (newObject Atk.Object.Object) result'
    touchManagedPtr relation
    return result''

#if defined(ENABLE_OVERLOADING)
data RelationGetTargetMethodInfo
instance (signature ~ (m [Atk.Object.Object]), MonadIO m, IsRelation a) => O.MethodInfo RelationGetTargetMethodInfo a signature where
    overloadedMethod = relationGetTarget

#endif

-- method Relation::remove_target
-- method type : OrdinaryMethod
-- Args: [ Arg
--           { argCName = "relation"
--           , argType =
--               TInterface Name { namespace = "Atk" , name = "Relation" }
--           , direction = DirectionIn
--           , mayBeNull = False
--           , argDoc =
--               Documentation
--                 { rawDocText = Just "an #AtkRelation" , sinceVersion = Nothing }
--           , argScope = ScopeTypeInvalid
--           , argClosure = -1
--           , argDestroy = -1
--           , argCallerAllocates = False
--           , transfer = TransferNothing
--           }
--       , Arg
--           { argCName = "target"
--           , argType = TInterface Name { namespace = "Atk" , name = "Object" }
--           , direction = DirectionIn
--           , mayBeNull = False
--           , argDoc =
--               Documentation
--                 { rawDocText = Just "an #AtkObject" , sinceVersion = Nothing }
--           , argScope = ScopeTypeInvalid
--           , argClosure = -1
--           , argDestroy = -1
--           , argCallerAllocates = False
--           , transfer = TransferNothing
--           }
--       ]
-- Lengths: []
-- returnType: Just (TBasicType TBoolean)
-- throws : False
-- Skip return : False

foreign import ccall "atk_relation_remove_target" atk_relation_remove_target ::
    Ptr Relation ->                         -- relation : TInterface (Name {namespace = "Atk", name = "Relation"})
    Ptr Atk.Object.Object ->                -- target : TInterface (Name {namespace = "Atk", name = "Object"})
    IO CInt

-- | Remove the specified AtkObject from the target for the relation.
relationRemoveTarget ::
    (B.CallStack.HasCallStack, MonadIO m, IsRelation a, Atk.Object.IsObject b) =>
    a
    -- ^ /@relation@/: an t'GI.Atk.Objects.Relation.Relation'
    -> b
    -- ^ /@target@/: an t'GI.Atk.Objects.Object.Object'
    -> m Bool
    -- ^ __Returns:__ TRUE if the removal is successful.
relationRemoveTarget relation target = liftIO $ do
    relation' <- unsafeManagedPtrCastPtr relation
    target' <- unsafeManagedPtrCastPtr target
    result <- atk_relation_remove_target relation' target'
    let result' = (/= 0) result
    touchManagedPtr relation
    touchManagedPtr target
    return result'

#if defined(ENABLE_OVERLOADING)
data RelationRemoveTargetMethodInfo
instance (signature ~ (b -> m Bool), MonadIO m, IsRelation a, Atk.Object.IsObject b) => O.MethodInfo RelationRemoveTargetMethodInfo a signature where
    overloadedMethod = relationRemoveTarget

#endif