{-# LANGUAGE TypeApplications #-}


-- | Copyright  : Will Thompson and Iñaki García Etxebarria
-- License    : LGPL-2.1
-- Maintainer : Iñaki García Etxebarria
-- 
-- The @PangoAttrLanguage@ structure is used to represent attributes that
-- are languages.

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

module GI.Pango.Structs.AttrLanguage
    ( 

-- * Exported types
    AttrLanguage(..)                        ,
    newZeroAttrLanguage                     ,


 -- * Methods

#if defined(ENABLE_OVERLOADING)
    ResolveAttrLanguageMethod               ,
#endif

-- ** new #method:new#

    attrLanguageNew                         ,




 -- * Properties


-- ** attr #attr:attr#
-- | the common portion of the attribute

#if defined(ENABLE_OVERLOADING)
    attrLanguage_attr                       ,
#endif
    getAttrLanguageAttr                     ,


-- ** value #attr:value#
-- | the @PangoLanguage@ which is the value of the attribute

#if defined(ENABLE_OVERLOADING)
    attrLanguage_value                      ,
#endif
    clearAttrLanguageValue                  ,
    getAttrLanguageValue                    ,
    setAttrLanguageValue                    ,




    ) 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.BasicTypes as B.Types
import qualified Data.GI.Base.ManagedPtr as B.ManagedPtr
import qualified Data.GI.Base.GArray as B.GArray
import qualified Data.GI.Base.GClosure as B.GClosure
import qualified Data.GI.Base.GError as B.GError
import qualified Data.GI.Base.GHashTable as B.GHT
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 Control.Monad.IO.Class as MIO
import qualified Data.Coerce as Coerce
import qualified Data.Text as T
import qualified Data.Kind as DK
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 qualified GHC.Records as R

import {-# SOURCE #-} qualified GI.Pango.Structs.Attribute as Pango.Attribute
import {-# SOURCE #-} qualified GI.Pango.Structs.Language as Pango.Language

-- | Memory-managed wrapper type.
newtype AttrLanguage = AttrLanguage (SP.ManagedPtr AttrLanguage)
    deriving (AttrLanguage -> AttrLanguage -> Bool
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: AttrLanguage -> AttrLanguage -> Bool
$c/= :: AttrLanguage -> AttrLanguage -> Bool
== :: AttrLanguage -> AttrLanguage -> Bool
$c== :: AttrLanguage -> AttrLanguage -> Bool
Eq)

instance SP.ManagedPtrNewtype AttrLanguage where
    toManagedPtr :: AttrLanguage -> ManagedPtr AttrLanguage
toManagedPtr (AttrLanguage ManagedPtr AttrLanguage
p) = ManagedPtr AttrLanguage
p

instance BoxedPtr AttrLanguage where
    boxedPtrCopy :: AttrLanguage -> IO AttrLanguage
boxedPtrCopy = \AttrLanguage
p -> forall a c.
(HasCallStack, ManagedPtrNewtype a) =>
a -> (Ptr a -> IO c) -> IO c
B.ManagedPtr.withManagedPtr AttrLanguage
p (forall a. (HasCallStack, CallocPtr a) => Int -> Ptr a -> IO (Ptr a)
copyBytes Int
16 forall (m :: * -> *) a b c.
Monad m =>
(a -> m b) -> (b -> m c) -> a -> m c
>=> forall a.
(HasCallStack, BoxedPtr a) =>
(ManagedPtr a -> a) -> Ptr a -> IO a
B.ManagedPtr.wrapPtr ManagedPtr AttrLanguage -> AttrLanguage
AttrLanguage)
    boxedPtrFree :: AttrLanguage -> IO ()
boxedPtrFree = \AttrLanguage
x -> forall a c.
(HasCallStack, ManagedPtrNewtype a) =>
a -> (Ptr a -> IO c) -> IO c
SP.withManagedPtr AttrLanguage
x forall a. Ptr a -> IO ()
SP.freeMem
instance CallocPtr AttrLanguage where
    boxedPtrCalloc :: IO (Ptr AttrLanguage)
boxedPtrCalloc = forall a. Int -> IO (Ptr a)
callocBytes Int
16


-- | Construct a `AttrLanguage` struct initialized to zero.
newZeroAttrLanguage :: MonadIO m => m AttrLanguage
newZeroAttrLanguage :: forall (m :: * -> *). MonadIO m => m AttrLanguage
newZeroAttrLanguage = forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO forall a b. (a -> b) -> a -> b
$ forall a. CallocPtr a => IO (Ptr a)
boxedPtrCalloc forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= forall a.
(HasCallStack, BoxedPtr a) =>
(ManagedPtr a -> a) -> Ptr a -> IO a
wrapPtr ManagedPtr AttrLanguage -> AttrLanguage
AttrLanguage

instance tag ~ 'AttrSet => Constructible AttrLanguage tag where
    new :: forall (m :: * -> *).
MonadIO m =>
(ManagedPtr AttrLanguage -> AttrLanguage)
-> [AttrOp AttrLanguage tag] -> m AttrLanguage
new ManagedPtr AttrLanguage -> AttrLanguage
_ [AttrOp AttrLanguage tag]
attrs = do
        AttrLanguage
o <- forall (m :: * -> *). MonadIO m => m AttrLanguage
newZeroAttrLanguage
        forall o (m :: * -> *).
MonadIO m =>
o -> [AttrOp o 'AttrSet] -> m ()
GI.Attributes.set AttrLanguage
o [AttrOp AttrLanguage tag]
attrs
        forall (m :: * -> *) a. Monad m => a -> m a
return AttrLanguage
o


-- | Get the value of the “@attr@” field.
-- When <https://github.com/haskell-gi/haskell-gi/wiki/Overloading overloading> is enabled, this is equivalent to
-- 
-- @
-- 'Data.GI.Base.Attributes.get' attrLanguage #attr
-- @
getAttrLanguageAttr :: MonadIO m => AttrLanguage -> m Pango.Attribute.Attribute
getAttrLanguageAttr :: forall (m :: * -> *). MonadIO m => AttrLanguage -> m Attribute
getAttrLanguageAttr AttrLanguage
s = forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO forall a b. (a -> b) -> a -> b
$ forall a c.
(HasCallStack, ManagedPtrNewtype a) =>
a -> (Ptr a -> IO c) -> IO c
withManagedPtr AttrLanguage
s forall a b. (a -> b) -> a -> b
$ \Ptr AttrLanguage
ptr -> do
    let val :: Ptr Attribute
val = Ptr AttrLanguage
ptr forall a b. Ptr a -> Int -> Ptr b
`plusPtr` Int
0 :: (Ptr Pango.Attribute.Attribute)
    Attribute
val' <- (forall a.
(HasCallStack, GBoxed a) =>
(ManagedPtr a -> a) -> Ptr a -> IO a
newBoxed ManagedPtr Attribute -> Attribute
Pango.Attribute.Attribute) Ptr Attribute
val
    forall (m :: * -> *) a. Monad m => a -> m a
return Attribute
val'

#if defined(ENABLE_OVERLOADING)
data AttrLanguageAttrFieldInfo
instance AttrInfo AttrLanguageAttrFieldInfo where
    type AttrBaseTypeConstraint AttrLanguageAttrFieldInfo = (~) AttrLanguage
    type AttrAllowedOps AttrLanguageAttrFieldInfo = '[ 'AttrGet]
    type AttrSetTypeConstraint AttrLanguageAttrFieldInfo = (~) (Ptr Pango.Attribute.Attribute)
    type AttrTransferTypeConstraint AttrLanguageAttrFieldInfo = (~)(Ptr Pango.Attribute.Attribute)
    type AttrTransferType AttrLanguageAttrFieldInfo = (Ptr Pango.Attribute.Attribute)
    type AttrGetType AttrLanguageAttrFieldInfo = Pango.Attribute.Attribute
    type AttrLabel AttrLanguageAttrFieldInfo = "attr"
    type AttrOrigin AttrLanguageAttrFieldInfo = AttrLanguage
    attrGet = getAttrLanguageAttr
    attrSet = undefined
    attrConstruct = undefined
    attrClear = undefined
    attrTransfer = undefined
    dbgAttrInfo = P.Just (O.ResolvedSymbolInfo {
        O.resolvedSymbolName = "GI.Pango.Structs.AttrLanguage.attr"
        , O.resolvedSymbolURL = "https://hackage.haskell.org/package/gi-pango-1.0.27/docs/GI-Pango-Structs-AttrLanguage.html#g:attr:attr"
        })

attrLanguage_attr :: AttrLabelProxy "attr"
attrLanguage_attr = AttrLabelProxy

#endif


-- | Get the value of the “@value@” field.
-- When <https://github.com/haskell-gi/haskell-gi/wiki/Overloading overloading> is enabled, this is equivalent to
-- 
-- @
-- 'Data.GI.Base.Attributes.get' attrLanguage #value
-- @
getAttrLanguageValue :: MonadIO m => AttrLanguage -> m (Maybe Pango.Language.Language)
getAttrLanguageValue :: forall (m :: * -> *).
MonadIO m =>
AttrLanguage -> m (Maybe Language)
getAttrLanguageValue AttrLanguage
s = forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO forall a b. (a -> b) -> a -> b
$ forall a c.
(HasCallStack, ManagedPtrNewtype a) =>
a -> (Ptr a -> IO c) -> IO c
withManagedPtr AttrLanguage
s forall a b. (a -> b) -> a -> b
$ \Ptr AttrLanguage
ptr -> do
    Ptr Language
val <- forall a. Storable a => Ptr a -> IO a
peek (Ptr AttrLanguage
ptr forall a b. Ptr a -> Int -> Ptr b
`plusPtr` Int
12) :: IO (Ptr Pango.Language.Language)
    Maybe Language
result <- forall a b. Ptr a -> (Ptr a -> IO b) -> IO (Maybe b)
SP.convertIfNonNull Ptr Language
val forall a b. (a -> b) -> a -> b
$ \Ptr Language
val' -> do
        Language
val'' <- (forall a.
(HasCallStack, GBoxed a) =>
(ManagedPtr a -> a) -> Ptr a -> IO a
newBoxed ManagedPtr Language -> Language
Pango.Language.Language) Ptr Language
val'
        forall (m :: * -> *) a. Monad m => a -> m a
return Language
val''
    forall (m :: * -> *) a. Monad m => a -> m a
return Maybe Language
result

-- | Set the value of the “@value@” field.
-- When <https://github.com/haskell-gi/haskell-gi/wiki/Overloading overloading> is enabled, this is equivalent to
-- 
-- @
-- 'Data.GI.Base.Attributes.set' attrLanguage [ #value 'Data.GI.Base.Attributes.:=' value ]
-- @
setAttrLanguageValue :: MonadIO m => AttrLanguage -> Ptr Pango.Language.Language -> m ()
setAttrLanguageValue :: forall (m :: * -> *).
MonadIO m =>
AttrLanguage -> Ptr Language -> m ()
setAttrLanguageValue AttrLanguage
s Ptr Language
val = forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO forall a b. (a -> b) -> a -> b
$ forall a c.
(HasCallStack, ManagedPtrNewtype a) =>
a -> (Ptr a -> IO c) -> IO c
withManagedPtr AttrLanguage
s forall a b. (a -> b) -> a -> b
$ \Ptr AttrLanguage
ptr -> do
    forall a. Storable a => Ptr a -> a -> IO ()
poke (Ptr AttrLanguage
ptr forall a b. Ptr a -> Int -> Ptr b
`plusPtr` Int
12) (Ptr Language
val :: Ptr Pango.Language.Language)

-- | Set the value of the “@value@” 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' #value
-- @
clearAttrLanguageValue :: MonadIO m => AttrLanguage -> m ()
clearAttrLanguageValue :: forall (m :: * -> *). MonadIO m => AttrLanguage -> m ()
clearAttrLanguageValue AttrLanguage
s = forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO forall a b. (a -> b) -> a -> b
$ forall a c.
(HasCallStack, ManagedPtrNewtype a) =>
a -> (Ptr a -> IO c) -> IO c
withManagedPtr AttrLanguage
s forall a b. (a -> b) -> a -> b
$ \Ptr AttrLanguage
ptr -> do
    forall a. Storable a => Ptr a -> a -> IO ()
poke (Ptr AttrLanguage
ptr forall a b. Ptr a -> Int -> Ptr b
`plusPtr` Int
12) (forall a. Ptr a
FP.nullPtr :: Ptr Pango.Language.Language)

#if defined(ENABLE_OVERLOADING)
data AttrLanguageValueFieldInfo
instance AttrInfo AttrLanguageValueFieldInfo where
    type AttrBaseTypeConstraint AttrLanguageValueFieldInfo = (~) AttrLanguage
    type AttrAllowedOps AttrLanguageValueFieldInfo = '[ 'AttrSet, 'AttrGet, 'AttrClear]
    type AttrSetTypeConstraint AttrLanguageValueFieldInfo = (~) (Ptr Pango.Language.Language)
    type AttrTransferTypeConstraint AttrLanguageValueFieldInfo = (~)(Ptr Pango.Language.Language)
    type AttrTransferType AttrLanguageValueFieldInfo = (Ptr Pango.Language.Language)
    type AttrGetType AttrLanguageValueFieldInfo = Maybe Pango.Language.Language
    type AttrLabel AttrLanguageValueFieldInfo = "value"
    type AttrOrigin AttrLanguageValueFieldInfo = AttrLanguage
    attrGet = getAttrLanguageValue
    attrSet = setAttrLanguageValue
    attrConstruct = undefined
    attrClear = clearAttrLanguageValue
    attrTransfer _ v = do
        return v
    dbgAttrInfo = P.Just (O.ResolvedSymbolInfo {
        O.resolvedSymbolName = "GI.Pango.Structs.AttrLanguage.value"
        , O.resolvedSymbolURL = "https://hackage.haskell.org/package/gi-pango-1.0.27/docs/GI-Pango-Structs-AttrLanguage.html#g:attr:value"
        })

attrLanguage_value :: AttrLabelProxy "value"
attrLanguage_value = AttrLabelProxy

#endif



#if defined(ENABLE_OVERLOADING)
instance O.HasAttributeList AttrLanguage
type instance O.AttributeList AttrLanguage = AttrLanguageAttributeList
type AttrLanguageAttributeList = ('[ '("attr", AttrLanguageAttrFieldInfo), '("value", AttrLanguageValueFieldInfo)] :: [(Symbol, DK.Type)])
#endif

-- method AttrLanguage::new
-- method type : MemberFunction
-- Args: [ Arg
--           { argCName = "language"
--           , argType =
--               TInterface Name { namespace = "Pango" , name = "Language" }
--           , direction = DirectionIn
--           , mayBeNull = False
--           , argDoc =
--               Documentation
--                 { rawDocText = Just "language tag" , sinceVersion = Nothing }
--           , argScope = ScopeTypeInvalid
--           , argClosure = -1
--           , argDestroy = -1
--           , argCallerAllocates = False
--           , transfer = TransferNothing
--           }
--       ]
-- Lengths: []
-- returnType: Just (TInterface Name { namespace = "Pango" , name = "Attribute" })
-- throws : False
-- Skip return : False

foreign import ccall "pango_attr_language_new" pango_attr_language_new :: 
    Ptr Pango.Language.Language ->          -- language : TInterface (Name {namespace = "Pango", name = "Language"})
    IO (Ptr Pango.Attribute.Attribute)

-- | Create a new language tag attribute.
attrLanguageNew ::
    (B.CallStack.HasCallStack, MonadIO m) =>
    Pango.Language.Language
    -- ^ /@language@/: language tag
    -> m Pango.Attribute.Attribute
    -- ^ __Returns:__ the newly allocated
    --   @PangoAttribute@, which should be freed with
    --   'GI.Pango.Structs.Attribute.attributeDestroy'
attrLanguageNew :: forall (m :: * -> *).
(HasCallStack, MonadIO m) =>
Language -> m Attribute
attrLanguageNew Language
language = forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO forall a b. (a -> b) -> a -> b
$ do
    Ptr Language
language' <- forall a. (HasCallStack, ManagedPtrNewtype a) => a -> IO (Ptr a)
unsafeManagedPtrGetPtr Language
language
    Ptr Attribute
result <- Ptr Language -> IO (Ptr Attribute)
pango_attr_language_new Ptr Language
language'
    forall a. HasCallStack => Text -> Ptr a -> IO ()
checkUnexpectedReturnNULL Text
"attrLanguageNew" Ptr Attribute
result
    Attribute
result' <- (forall a.
(HasCallStack, GBoxed a) =>
(ManagedPtr a -> a) -> Ptr a -> IO a
wrapBoxed ManagedPtr Attribute -> Attribute
Pango.Attribute.Attribute) Ptr Attribute
result
    forall a. ManagedPtrNewtype a => a -> IO ()
touchManagedPtr Language
language
    forall (m :: * -> *) a. Monad m => a -> m a
return Attribute
result'

#if defined(ENABLE_OVERLOADING)
#endif

#if defined(ENABLE_OVERLOADING)
type family ResolveAttrLanguageMethod (t :: Symbol) (o :: DK.Type) :: DK.Type where
    ResolveAttrLanguageMethod l o = O.MethodResolutionFailed l o

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

#if MIN_VERSION_base(4,13,0)
instance (info ~ ResolveAttrLanguageMethod t AttrLanguage, O.OverloadedMethod info AttrLanguage p, R.HasField t AttrLanguage p) => R.HasField t AttrLanguage p where
    getField = O.overloadedMethod @info

#endif

instance (info ~ ResolveAttrLanguageMethod t AttrLanguage, O.OverloadedMethodInfo info AttrLanguage) => OL.IsLabel t (O.MethodProxy info AttrLanguage) where
#if MIN_VERSION_base(4,10,0)
    fromLabel = O.MethodProxy
#else
    fromLabel _ = O.MethodProxy
#endif

#endif