    {-# LANGUAGE TypeApplications #-}

    -- | Copyright  : Will Thompson, Iñaki García Etxebarria and Jonas Platte
    -- License    : LGPL-2.1
    -- Maintainer : Iñaki García Etxebarria
    --
    -- The t'GI.Pango.Structs.AttrFontDesc.AttrFontDesc' structure is used to store an attribute that
    -- sets all aspects of the font description at once.

    #if !defined(__HADDOCK_VERSION__)
    #define ENABLE_OVERLOADING
    #endif

    module GI.Pango.Structs.AttrFontDesc
        (

    -- * Exported types
        AttrFontDesc(..)                        ,
        newZeroAttrFontDesc                     ,

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

    #if defined(ENABLE_OVERLOADING)
        ResolveAttrFontDescMethod               ,
    #endif

    -- ** new #method:new#

        attrFontDescNew                         ,

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

    #if defined(ENABLE_OVERLOADING)
        attrFontDesc_attr                       ,
    #endif
        getAttrFontDescAttr                     ,

    -- ** desc #attr:desc#
    -- | the font description which is the value of this attribute

    #if defined(ENABLE_OVERLOADING)
        attrFontDesc_desc                       ,
    #endif
        clearAttrFontDescDesc                   ,
        getAttrFontDescDesc                     ,
        setAttrFontDescDesc                     ,

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

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

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

    instance BoxedPtr AttrFontDesc where
        boxedPtrCopy :: AttrFontDesc -> IO AttrFontDesc
    boxedPtrCopy = \p :: AttrFontDesc
    p -> AttrFontDesc
    -> (Ptr AttrFontDesc -> IO AttrFontDesc) -> IO AttrFontDesc
    forall a c.
    (HasCallStack, ManagedPtrNewtype a) =>
    a -> (Ptr a -> IO c) -> IO c
    B.ManagedPtr.withManagedPtr AttrFontDesc
    p (Int -> Ptr AttrFontDesc -> IO (Ptr AttrFontDesc)
    forall a. (HasCallStack, CallocPtr a) => Int -> Ptr a -> IO (Ptr a)
    copyBytes 24 (Ptr AttrFontDesc -> IO (Ptr AttrFontDesc))
    -> (Ptr AttrFontDesc -> IO AttrFontDesc)
    -> Ptr AttrFontDesc
    -> IO AttrFontDesc
    forall (m :: * -> *) a b c.
    Monad m =>
    (a -> m b) -> (b -> m c) -> a -> m c
    >=> (ManagedPtr AttrFontDesc -> AttrFontDesc)
    -> Ptr AttrFontDesc -> IO AttrFontDesc
    forall a.
    (HasCallStack, BoxedPtr a) =>
    (ManagedPtr a -> a) -> Ptr a -> IO a
    B.ManagedPtr.wrapPtr ManagedPtr AttrFontDesc -> AttrFontDesc
    AttrFontDesc)
        boxedPtrFree :: AttrFontDesc -> IO ()
    boxedPtrFree = \x :: AttrFontDesc
    x -> AttrFontDesc -> (Ptr AttrFontDesc -> IO ()) -> IO ()
    forall a c.
    (HasCallStack, ManagedPtrNewtype a) =>
    a -> (Ptr a -> IO c) -> IO c
    SP.withManagedPtr AttrFontDesc
    x Ptr AttrFontDesc -> IO ()
    forall a. Ptr a -> IO ()
    SP.freeMem
    instance CallocPtr AttrFontDesc where
        boxedPtrCalloc :: IO (Ptr AttrFontDesc)
    boxedPtrCalloc = Int -> IO (Ptr AttrFontDesc)
    forall a. Int -> IO (Ptr a)
    callocBytes 24

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

    instance tag ~ 'AttrSet => Constructible AttrFontDesc tag where
        new :: (ManagedPtr AttrFontDesc -> AttrFontDesc)
    -> [AttrOp AttrFontDesc tag] -> m AttrFontDesc
    new _ attrs :: [AttrOp AttrFontDesc tag]
    attrs = do
            AttrFontDesc
    o <- m AttrFontDesc
    forall (m :: * -> *). MonadIO m => m AttrFontDesc
    newZeroAttrFontDesc
            AttrFontDesc -> [AttrOp AttrFontDesc 'AttrSet] -> m ()
    forall o (m :: * -> *).
    MonadIO m =>
    o -> [AttrOp o 'AttrSet] -> m ()
    GI.Attributes.set AttrFontDesc
    o [AttrOp AttrFontDesc tag]
    [AttrOp AttrFontDesc 'AttrSet]
    attrs
            AttrFontDesc -> m AttrFontDesc
    forall (m :: * -> *) a. Monad m => a -> m a
    return AttrFontDesc
    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' attrFontDesc #attr
    -- @
    getAttrFontDescAttr :: MonadIO m => AttrFontDesc -> m Pango.Attribute.Attribute
    getAttrFontDescAttr :: AttrFontDesc -> m Attribute
    getAttrFontDescAttr s :: AttrFontDesc
    s = IO Attribute -> m Attribute
    forall (m :: * -> *) a. MonadIO m => IO a -> m a
    liftIO (IO Attribute -> m Attribute) -> IO Attribute -> m Attribute
    forall a b. (a -> b) -> a -> b
    $ AttrFontDesc -> (Ptr AttrFontDesc -> IO Attribute) -> IO Attribute
    forall a c.
    (HasCallStack, ManagedPtrNewtype a) =>
    a -> (Ptr a -> IO c) -> IO c
    withManagedPtr AttrFontDesc
    s ((Ptr AttrFontDesc -> IO Attribute) -> IO Attribute)
    -> (Ptr AttrFontDesc -> IO Attribute) -> IO Attribute
    forall a b. (a -> b) -> a -> b
    $ \ptr :: Ptr AttrFontDesc
    ptr -> do
        let val :: Ptr Attribute
    val = Ptr AttrFontDesc
    ptr Ptr AttrFontDesc -> Int -> Ptr Attribute
    forall a b. Ptr a -> Int -> Ptr b
    `plusPtr` 0 :: (Ptr Pango.Attribute.Attribute)
        Attribute
    val' <- ((ManagedPtr Attribute -> Attribute)
    -> Ptr Attribute -> IO Attribute
    forall a.
    (HasCallStack, GBoxed a) =>
    (ManagedPtr a -> a) -> Ptr a -> IO a
    newBoxed ManagedPtr Attribute -> Attribute
    Pango.Attribute.Attribute) Ptr Attribute
    val
        Attribute -> IO Attribute
    forall (m :: * -> *) a. Monad m => a -> m a
    return Attribute
    val'

    #if defined(ENABLE_OVERLOADING)
    data AttrFontDescAttrFieldInfo
    instance AttrInfo AttrFontDescAttrFieldInfo where
        type AttrBaseTypeConstraint AttrFontDescAttrFieldInfo = (~) AttrFontDesc
        type AttrAllowedOps AttrFontDescAttrFieldInfo = '[ 'AttrGet]
        type AttrSetTypeConstraint AttrFontDescAttrFieldInfo = (~) (Ptr Pango.Attribute.Attribute)
        type AttrTransferTypeConstraint AttrFontDescAttrFieldInfo = (~)(Ptr Pango.Attribute.Attribute)
        type AttrTransferType AttrFontDescAttrFieldInfo = (Ptr Pango.Attribute.Attribute)
        type AttrGetType AttrFontDescAttrFieldInfo = Pango.Attribute.Attribute
        type AttrLabel AttrFontDescAttrFieldInfo = "attr"
        type AttrOrigin AttrFontDescAttrFieldInfo = AttrFontDesc
        attrGet = getAttrFontDescAttr
        attrSet = undefined
        attrConstruct = undefined
        attrClear = undefined
        attrTransfer = undefined

    attrFontDesc_attr :: AttrLabelProxy "attr"
    attrFontDesc_attr = AttrLabelProxy

    #endif

    -- | Get the value of the “@desc@” field.
    -- When <https://github.com/haskell-gi/haskell-gi/wiki/Overloading overloading> is enabled, this is equivalent to
    --
    -- @
    -- 'Data.GI.Base.Attributes.get' attrFontDesc #desc
    -- @
    getAttrFontDescDesc :: MonadIO m => AttrFontDesc -> m (Maybe Pango.FontDescription.FontDescription)
    getAttrFontDescDesc :: AttrFontDesc -> m (Maybe FontDescription)
    getAttrFontDescDesc s :: AttrFontDesc
    s = IO (Maybe FontDescription) -> m (Maybe FontDescription)
    forall (m :: * -> *) a. MonadIO m => IO a -> m a
    liftIO (IO (Maybe FontDescription) -> m (Maybe FontDescription))
    -> IO (Maybe FontDescription) -> m (Maybe FontDescription)
    forall a b. (a -> b) -> a -> b
    $ AttrFontDesc
    -> (Ptr AttrFontDesc -> IO (Maybe FontDescription))
    -> IO (Maybe FontDescription)
    forall a c.
    (HasCallStack, ManagedPtrNewtype a) =>
    a -> (Ptr a -> IO c) -> IO c
    withManagedPtr AttrFontDesc
    s ((Ptr AttrFontDesc -> IO (Maybe FontDescription))
     -> IO (Maybe FontDescription))
    -> (Ptr AttrFontDesc -> IO (Maybe FontDescription))
    -> IO (Maybe FontDescription)
    forall a b. (a -> b) -> a -> b
    $ \ptr :: Ptr AttrFontDesc
    ptr -> do
        Ptr FontDescription
    val <- Ptr (Ptr FontDescription) -> IO (Ptr FontDescription)
    forall a. Storable a => Ptr a -> IO a
    peek (Ptr AttrFontDesc
    ptr Ptr AttrFontDesc -> Int -> Ptr (Ptr FontDescription)
    forall a b. Ptr a -> Int -> Ptr b
    `plusPtr` 16) :: IO (Ptr Pango.FontDescription.FontDescription)
        Maybe FontDescription
    result <- Ptr FontDescription
    -> (Ptr FontDescription -> IO FontDescription)
    -> IO (Maybe FontDescription)
    forall a b. Ptr a -> (Ptr a -> IO b) -> IO (Maybe b)
    SP.convertIfNonNull Ptr FontDescription
    val ((Ptr FontDescription -> IO FontDescription)
     -> IO (Maybe FontDescription))
    -> (Ptr FontDescription -> IO FontDescription)
    -> IO (Maybe FontDescription)
    forall a b. (a -> b) -> a -> b
    $ \val' :: Ptr FontDescription
    val' -> do
            FontDescription
    val'' <- ((ManagedPtr FontDescription -> FontDescription)
    -> Ptr FontDescription -> IO FontDescription
    forall a.
    (HasCallStack, GBoxed a) =>
    (ManagedPtr a -> a) -> Ptr a -> IO a
    newBoxed ManagedPtr FontDescription -> FontDescription
    Pango.FontDescription.FontDescription) Ptr FontDescription
    val'
            FontDescription -> IO FontDescription
    forall (m :: * -> *) a. Monad m => a -> m a
    return FontDescription
    val''
        Maybe FontDescription -> IO (Maybe FontDescription)
    forall (m :: * -> *) a. Monad m => a -> m a
    return Maybe FontDescription
    result

    -- | Set the value of the “@desc@” field.
    -- When <https://github.com/haskell-gi/haskell-gi/wiki/Overloading overloading> is enabled, this is equivalent to
    --
    -- @
    -- 'Data.GI.Base.Attributes.set' attrFontDesc [ #desc 'Data.GI.Base.Attributes.:=' value ]
    -- @
    setAttrFontDescDesc :: MonadIO m => AttrFontDesc -> Ptr Pango.FontDescription.FontDescription -> m ()
    setAttrFontDescDesc :: AttrFontDesc -> Ptr FontDescription -> m ()
    setAttrFontDescDesc s :: AttrFontDesc
    s val :: Ptr FontDescription
    val = IO () -> m ()
    forall (m :: * -> *) a. MonadIO m => IO a -> m a
    liftIO (IO () -> m ()) -> IO () -> m ()
    forall a b. (a -> b) -> a -> b
    $ AttrFontDesc -> (Ptr AttrFontDesc -> IO ()) -> IO ()
    forall a c.
    (HasCallStack, ManagedPtrNewtype a) =>
    a -> (Ptr a -> IO c) -> IO c
    withManagedPtr AttrFontDesc
    s ((Ptr AttrFontDesc -> IO ()) -> IO ())
    -> (Ptr AttrFontDesc -> IO ()) -> IO ()
    forall a b. (a -> b) -> a -> b
    $ \ptr :: Ptr AttrFontDesc
    ptr -> do
        Ptr (Ptr FontDescription) -> Ptr FontDescription -> IO ()
    forall a. Storable a => Ptr a -> a -> IO ()
    poke (Ptr AttrFontDesc
    ptr Ptr AttrFontDesc -> Int -> Ptr (Ptr FontDescription)
    forall a b. Ptr a -> Int -> Ptr b
    `plusPtr` 16) (Ptr FontDescription
    val :: Ptr Pango.FontDescription.FontDescription)

    -- | Set the value of the “@desc@” 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' #desc
    -- @
    clearAttrFontDescDesc :: MonadIO m => AttrFontDesc -> m ()
    clearAttrFontDescDesc :: AttrFontDesc -> m ()
    clearAttrFontDescDesc s :: AttrFontDesc
    s = IO () -> m ()
    forall (m :: * -> *) a. MonadIO m => IO a -> m a
    liftIO (IO () -> m ()) -> IO () -> m ()
    forall a b. (a -> b) -> a -> b
    $ AttrFontDesc -> (Ptr AttrFontDesc -> IO ()) -> IO ()
    forall a c.
    (HasCallStack, ManagedPtrNewtype a) =>
    a -> (Ptr a -> IO c) -> IO c
    withManagedPtr AttrFontDesc
    s ((Ptr AttrFontDesc -> IO ()) -> IO ())
    -> (Ptr AttrFontDesc -> IO ()) -> IO ()
    forall a b. (a -> b) -> a -> b
    $ \ptr :: Ptr AttrFontDesc
    ptr -> do
        Ptr (Ptr FontDescription) -> Ptr FontDescription -> IO ()
    forall a. Storable a => Ptr a -> a -> IO ()
    poke (Ptr AttrFontDesc
    ptr Ptr AttrFontDesc -> Int -> Ptr (Ptr FontDescription)
    forall a b. Ptr a -> Int -> Ptr b
    `plusPtr` 16) (Ptr FontDescription
    forall a. Ptr a
    FP.nullPtr :: Ptr Pango.FontDescription.FontDescription)

    #if defined(ENABLE_OVERLOADING)
    data AttrFontDescDescFieldInfo
    instance AttrInfo AttrFontDescDescFieldInfo where
        type AttrBaseTypeConstraint AttrFontDescDescFieldInfo = (~) AttrFontDesc
        type AttrAllowedOps AttrFontDescDescFieldInfo = '[ 'AttrSet, 'AttrGet, 'AttrClear]
        type AttrSetTypeConstraint AttrFontDescDescFieldInfo = (~) (Ptr Pango.FontDescription.FontDescription)
        type AttrTransferTypeConstraint AttrFontDescDescFieldInfo = (~)(Ptr Pango.FontDescription.FontDescription)
        type AttrTransferType AttrFontDescDescFieldInfo = (Ptr Pango.FontDescription.FontDescription)
        type AttrGetType AttrFontDescDescFieldInfo = Maybe Pango.FontDescription.FontDescription
        type AttrLabel AttrFontDescDescFieldInfo = "desc"
        type AttrOrigin AttrFontDescDescFieldInfo = AttrFontDesc
        attrGet = getAttrFontDescDesc
        attrSet = setAttrFontDescDesc
        attrConstruct = undefined
        attrClear = clearAttrFontDescDesc
        attrTransfer _ v = do
            return v

    attrFontDesc_desc :: AttrLabelProxy "desc"
    attrFontDesc_desc = AttrLabelProxy

    #endif

    #if defined(ENABLE_OVERLOADING)
    instance O.HasAttributeList AttrFontDesc
    type instance O.AttributeList AttrFontDesc = AttrFontDescAttributeList
    type AttrFontDescAttributeList = ('[ '("attr", AttrFontDescAttrFieldInfo), '("desc", AttrFontDescDescFieldInfo)] :: [(Symbol, *)])
    #endif

    -- method AttrFontDesc::new
    -- method type : MemberFunction
    -- Args: [ Arg
    --           { argCName = "desc"
    --           , argType =
    --               TInterface Name { namespace = "Pango" , name = "FontDescription" }
    --           , direction = DirectionIn
    --           , mayBeNull = False
    --           , argDoc =
    --               Documentation
    --                 { rawDocText = Just "the font description"
    --                 , 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_font_desc_new" pango_attr_font_desc_new ::
        Ptr Pango.FontDescription.FontDescription -> -- desc : TInterface (Name {namespace = "Pango", name = "FontDescription"})
        IO (Ptr Pango.Attribute.Attribute)

    -- | Create a new font description attribute. This attribute
    -- allows setting family, style, weight, variant, stretch,
    -- and size simultaneously.
    attrFontDescNew ::
        (B.CallStack.HasCallStack, MonadIO m) =>
        Pango.FontDescription.FontDescription
        -- ^ /@desc@/: the font description
        -> m Pango.Attribute.Attribute
        -- ^ __Returns:__ the newly allocated t'GI.Pango.Structs.Attribute.Attribute',
        --               which should be freed with 'GI.Pango.Structs.Attribute.attributeDestroy'.
    attrFontDescNew :: FontDescription -> m Attribute
    attrFontDescNew desc :: FontDescription
    desc = IO Attribute -> m Attribute
    forall (m :: * -> *) a. MonadIO m => IO a -> m a
    liftIO (IO Attribute -> m Attribute) -> IO Attribute -> m Attribute
    forall a b. (a -> b) -> a -> b
    $ do
        Ptr FontDescription
    desc' <- FontDescription -> IO (Ptr FontDescription)
    forall a. (HasCallStack, ManagedPtrNewtype a) => a -> IO (Ptr a)
    unsafeManagedPtrGetPtr FontDescription
    desc
        Ptr Attribute
    result <- Ptr FontDescription -> IO (Ptr Attribute)
    pango_attr_font_desc_new Ptr FontDescription
    desc'
        Text -> Ptr Attribute -> IO ()
    forall a. HasCallStack => Text -> Ptr a -> IO ()
    checkUnexpectedReturnNULL "attrFontDescNew" Ptr Attribute
    result
        Attribute
    result' <- ((ManagedPtr Attribute -> Attribute)
    -> Ptr Attribute -> IO Attribute
    forall a.
    (HasCallStack, GBoxed a) =>
    (ManagedPtr a -> a) -> Ptr a -> IO a
    wrapBoxed ManagedPtr Attribute -> Attribute
    Pango.Attribute.Attribute) Ptr Attribute
    result
        FontDescription -> IO ()
    forall a. ManagedPtrNewtype a => a -> IO ()
    touchManagedPtr FontDescription
    desc
        Attribute -> IO Attribute
    forall (m :: * -> *) a. Monad m => a -> m a
    return Attribute
    result'

    #if defined(ENABLE_OVERLOADING)
    #endif

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

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

    #endif