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

module GI.Pango.Structs.AttrFontDesc
    ( 

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


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

-- | Memory-managed wrapper type.
newtype AttrFontDesc = AttrFontDesc (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 WrappedPtr AttrFontDesc where
    wrappedPtrCalloc :: IO (Ptr AttrFontDesc)
wrappedPtrCalloc = Int -> IO (Ptr AttrFontDesc)
forall a. Int -> IO (Ptr a)
callocBytes 24
    wrappedPtrCopy :: AttrFontDesc -> IO AttrFontDesc
wrappedPtrCopy = \p :: AttrFontDesc
p -> AttrFontDesc
-> (Ptr AttrFontDesc -> IO AttrFontDesc) -> IO AttrFontDesc
forall a c.
(HasCallStack, ManagedPtrNewtype a) =>
a -> (Ptr a -> IO c) -> IO c
withManagedPtr AttrFontDesc
p (Int -> Ptr AttrFontDesc -> IO (Ptr AttrFontDesc)
forall a. WrappedPtr 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, WrappedPtr a) =>
(ManagedPtr a -> a) -> Ptr a -> IO a
wrapPtr ManagedPtr AttrFontDesc -> AttrFontDesc
AttrFontDesc)
    wrappedPtrFree :: Maybe (GDestroyNotify AttrFontDesc)
wrappedPtrFree = GDestroyNotify AttrFontDesc -> Maybe (GDestroyNotify AttrFontDesc)
forall a. a -> Maybe a
Just GDestroyNotify AttrFontDesc
forall a. FunPtr (Ptr a -> IO ())
ptr_to_g_free

-- | 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. WrappedPtr a => IO (Ptr a)
wrappedPtrCalloc 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, WrappedPtr 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


-- | A convenience alias for `Nothing` :: `Maybe` `AttrFontDesc`.
noAttrFontDesc :: Maybe AttrFontDesc
noAttrFontDesc :: Maybe AttrFontDesc
noAttrFontDesc = Maybe AttrFontDesc
forall a. Maybe a
Nothing

-- | 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, WrappedPtr a) =>
(ManagedPtr a -> a) -> Ptr a -> IO a
newPtr 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, BoxedObject 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, WrappedPtr a) =>
(ManagedPtr a -> a) -> Ptr a -> IO a
wrapPtr 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