{-# LANGUAGE TypeApplications #-}


-- | Copyright  : Will Thompson, Iñaki García Etxebarria and Jonas Platte
-- License    : LGPL-2.1
-- Maintainer : Iñaki García Etxebarria
-- 
-- The t'GI.Pango.Structs.AttrSize.AttrSize' structure is used to represent attributes which
-- set font size.

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

module GI.Pango.Structs.AttrSize
    ( 

-- * Exported types
    AttrSize(..)                            ,
    newZeroAttrSize                         ,
    noAttrSize                              ,


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

#if defined(ENABLE_OVERLOADING)
    ResolveAttrSizeMethod                   ,
#endif


-- ** new #method:new#

    attrSizeNew                             ,




 -- * Properties
-- ** absolute #attr:absolute#
-- | whether the font size is in device units or points.
-- This field is only present for compatibility with Pango-1.8.0
-- ('GI.Pango.Enums.AttrTypeAbsoluteSize' was added in 1.8.1); and always will
-- be 'P.False' for 'GI.Pango.Enums.AttrTypeSize' and 'P.True' for 'GI.Pango.Enums.AttrTypeAbsoluteSize'.

#if defined(ENABLE_OVERLOADING)
    attrSize_absolute                       ,
#endif
    getAttrSizeAbsolute                     ,
    setAttrSizeAbsolute                     ,


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

#if defined(ENABLE_OVERLOADING)
    attrSize_attr                           ,
#endif
    getAttrSizeAttr                         ,


-- ** size #attr:size#
-- | size of font, in units of 1\/'GI.Pango.Constants.SCALE' of a point (for
-- 'GI.Pango.Enums.AttrTypeSize') or of a device uni (for 'GI.Pango.Enums.AttrTypeAbsoluteSize')

#if defined(ENABLE_OVERLOADING)
    attrSize_size                           ,
#endif
    getAttrSizeSize                         ,
    setAttrSizeSize                         ,




    ) 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

-- | Memory-managed wrapper type.
newtype AttrSize = AttrSize (ManagedPtr AttrSize)
    deriving (AttrSize -> AttrSize -> Bool
(AttrSize -> AttrSize -> Bool)
-> (AttrSize -> AttrSize -> Bool) -> Eq AttrSize
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: AttrSize -> AttrSize -> Bool
$c/= :: AttrSize -> AttrSize -> Bool
== :: AttrSize -> AttrSize -> Bool
$c== :: AttrSize -> AttrSize -> Bool
Eq)
instance WrappedPtr AttrSize where
    wrappedPtrCalloc :: IO (Ptr AttrSize)
wrappedPtrCalloc = Int -> IO (Ptr AttrSize)
forall a. Int -> IO (Ptr a)
callocBytes 24
    wrappedPtrCopy :: AttrSize -> IO AttrSize
wrappedPtrCopy = \p :: AttrSize
p -> AttrSize -> (Ptr AttrSize -> IO AttrSize) -> IO AttrSize
forall a c.
(HasCallStack, ManagedPtrNewtype a) =>
a -> (Ptr a -> IO c) -> IO c
withManagedPtr AttrSize
p (Int -> Ptr AttrSize -> IO (Ptr AttrSize)
forall a. WrappedPtr a => Int -> Ptr a -> IO (Ptr a)
copyBytes 24 (Ptr AttrSize -> IO (Ptr AttrSize))
-> (Ptr AttrSize -> IO AttrSize) -> Ptr AttrSize -> IO AttrSize
forall (m :: * -> *) a b c.
Monad m =>
(a -> m b) -> (b -> m c) -> a -> m c
>=> (ManagedPtr AttrSize -> AttrSize) -> Ptr AttrSize -> IO AttrSize
forall a.
(HasCallStack, WrappedPtr a) =>
(ManagedPtr a -> a) -> Ptr a -> IO a
wrapPtr ManagedPtr AttrSize -> AttrSize
AttrSize)
    wrappedPtrFree :: Maybe (GDestroyNotify AttrSize)
wrappedPtrFree = GDestroyNotify AttrSize -> Maybe (GDestroyNotify AttrSize)
forall a. a -> Maybe a
Just GDestroyNotify AttrSize
forall a. FunPtr (Ptr a -> IO ())
ptr_to_g_free

-- | Construct a `AttrSize` struct initialized to zero.
newZeroAttrSize :: MonadIO m => m AttrSize
newZeroAttrSize :: m AttrSize
newZeroAttrSize = IO AttrSize -> m AttrSize
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO AttrSize -> m AttrSize) -> IO AttrSize -> m AttrSize
forall a b. (a -> b) -> a -> b
$ IO (Ptr AttrSize)
forall a. WrappedPtr a => IO (Ptr a)
wrappedPtrCalloc IO (Ptr AttrSize) -> (Ptr AttrSize -> IO AttrSize) -> IO AttrSize
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= (ManagedPtr AttrSize -> AttrSize) -> Ptr AttrSize -> IO AttrSize
forall a.
(HasCallStack, WrappedPtr a) =>
(ManagedPtr a -> a) -> Ptr a -> IO a
wrapPtr ManagedPtr AttrSize -> AttrSize
AttrSize

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


-- | A convenience alias for `Nothing` :: `Maybe` `AttrSize`.
noAttrSize :: Maybe AttrSize
noAttrSize :: Maybe AttrSize
noAttrSize = Maybe AttrSize
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' attrSize #attr
-- @
getAttrSizeAttr :: MonadIO m => AttrSize -> m Pango.Attribute.Attribute
getAttrSizeAttr :: AttrSize -> m Attribute
getAttrSizeAttr s :: AttrSize
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
$ AttrSize -> (Ptr AttrSize -> IO Attribute) -> IO Attribute
forall a c.
(HasCallStack, ManagedPtrNewtype a) =>
a -> (Ptr a -> IO c) -> IO c
withManagedPtr AttrSize
s ((Ptr AttrSize -> IO Attribute) -> IO Attribute)
-> (Ptr AttrSize -> IO Attribute) -> IO Attribute
forall a b. (a -> b) -> a -> b
$ \ptr :: Ptr AttrSize
ptr -> do
    let val :: Ptr Attribute
val = Ptr AttrSize
ptr Ptr AttrSize -> 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 AttrSizeAttrFieldInfo
instance AttrInfo AttrSizeAttrFieldInfo where
    type AttrBaseTypeConstraint AttrSizeAttrFieldInfo = (~) AttrSize
    type AttrAllowedOps AttrSizeAttrFieldInfo = '[ 'AttrGet]
    type AttrSetTypeConstraint AttrSizeAttrFieldInfo = (~) (Ptr Pango.Attribute.Attribute)
    type AttrTransferTypeConstraint AttrSizeAttrFieldInfo = (~)(Ptr Pango.Attribute.Attribute)
    type AttrTransferType AttrSizeAttrFieldInfo = (Ptr Pango.Attribute.Attribute)
    type AttrGetType AttrSizeAttrFieldInfo = Pango.Attribute.Attribute
    type AttrLabel AttrSizeAttrFieldInfo = "attr"
    type AttrOrigin AttrSizeAttrFieldInfo = AttrSize
    attrGet = getAttrSizeAttr
    attrSet = undefined
    attrConstruct = undefined
    attrClear = undefined
    attrTransfer = undefined

attrSize_attr :: AttrLabelProxy "attr"
attrSize_attr = AttrLabelProxy

#endif


-- | Get the value of the “@size@” field.
-- When <https://github.com/haskell-gi/haskell-gi/wiki/Overloading overloading> is enabled, this is equivalent to
-- 
-- @
-- 'Data.GI.Base.Attributes.get' attrSize #size
-- @
getAttrSizeSize :: MonadIO m => AttrSize -> m Int32
getAttrSizeSize :: AttrSize -> m Int32
getAttrSizeSize s :: AttrSize
s = IO Int32 -> m Int32
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO Int32 -> m Int32) -> IO Int32 -> m Int32
forall a b. (a -> b) -> a -> b
$ AttrSize -> (Ptr AttrSize -> IO Int32) -> IO Int32
forall a c.
(HasCallStack, ManagedPtrNewtype a) =>
a -> (Ptr a -> IO c) -> IO c
withManagedPtr AttrSize
s ((Ptr AttrSize -> IO Int32) -> IO Int32)
-> (Ptr AttrSize -> IO Int32) -> IO Int32
forall a b. (a -> b) -> a -> b
$ \ptr :: Ptr AttrSize
ptr -> do
    Int32
val <- Ptr Int32 -> IO Int32
forall a. Storable a => Ptr a -> IO a
peek (Ptr AttrSize
ptr Ptr AttrSize -> Int -> Ptr Int32
forall a b. Ptr a -> Int -> Ptr b
`plusPtr` 16) :: IO Int32
    Int32 -> IO Int32
forall (m :: * -> *) a. Monad m => a -> m a
return Int32
val

-- | Set the value of the “@size@” field.
-- When <https://github.com/haskell-gi/haskell-gi/wiki/Overloading overloading> is enabled, this is equivalent to
-- 
-- @
-- 'Data.GI.Base.Attributes.set' attrSize [ #size 'Data.GI.Base.Attributes.:=' value ]
-- @
setAttrSizeSize :: MonadIO m => AttrSize -> Int32 -> m ()
setAttrSizeSize :: AttrSize -> Int32 -> m ()
setAttrSizeSize s :: AttrSize
s val :: Int32
val = IO () -> m ()
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO () -> m ()) -> IO () -> m ()
forall a b. (a -> b) -> a -> b
$ AttrSize -> (Ptr AttrSize -> IO ()) -> IO ()
forall a c.
(HasCallStack, ManagedPtrNewtype a) =>
a -> (Ptr a -> IO c) -> IO c
withManagedPtr AttrSize
s ((Ptr AttrSize -> IO ()) -> IO ())
-> (Ptr AttrSize -> IO ()) -> IO ()
forall a b. (a -> b) -> a -> b
$ \ptr :: Ptr AttrSize
ptr -> do
    Ptr Int32 -> Int32 -> IO ()
forall a. Storable a => Ptr a -> a -> IO ()
poke (Ptr AttrSize
ptr Ptr AttrSize -> Int -> Ptr Int32
forall a b. Ptr a -> Int -> Ptr b
`plusPtr` 16) (Int32
val :: Int32)

#if defined(ENABLE_OVERLOADING)
data AttrSizeSizeFieldInfo
instance AttrInfo AttrSizeSizeFieldInfo where
    type AttrBaseTypeConstraint AttrSizeSizeFieldInfo = (~) AttrSize
    type AttrAllowedOps AttrSizeSizeFieldInfo = '[ 'AttrSet, 'AttrGet]
    type AttrSetTypeConstraint AttrSizeSizeFieldInfo = (~) Int32
    type AttrTransferTypeConstraint AttrSizeSizeFieldInfo = (~)Int32
    type AttrTransferType AttrSizeSizeFieldInfo = Int32
    type AttrGetType AttrSizeSizeFieldInfo = Int32
    type AttrLabel AttrSizeSizeFieldInfo = "size"
    type AttrOrigin AttrSizeSizeFieldInfo = AttrSize
    attrGet = getAttrSizeSize
    attrSet = setAttrSizeSize
    attrConstruct = undefined
    attrClear = undefined
    attrTransfer _ v = do
        return v

attrSize_size :: AttrLabelProxy "size"
attrSize_size = AttrLabelProxy

#endif


-- | Get the value of the “@absolute@” field.
-- When <https://github.com/haskell-gi/haskell-gi/wiki/Overloading overloading> is enabled, this is equivalent to
-- 
-- @
-- 'Data.GI.Base.Attributes.get' attrSize #absolute
-- @
getAttrSizeAbsolute :: MonadIO m => AttrSize -> m Word32
getAttrSizeAbsolute :: AttrSize -> m Word32
getAttrSizeAbsolute s :: AttrSize
s = IO Word32 -> m Word32
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO Word32 -> m Word32) -> IO Word32 -> m Word32
forall a b. (a -> b) -> a -> b
$ AttrSize -> (Ptr AttrSize -> IO Word32) -> IO Word32
forall a c.
(HasCallStack, ManagedPtrNewtype a) =>
a -> (Ptr a -> IO c) -> IO c
withManagedPtr AttrSize
s ((Ptr AttrSize -> IO Word32) -> IO Word32)
-> (Ptr AttrSize -> IO Word32) -> IO Word32
forall a b. (a -> b) -> a -> b
$ \ptr :: Ptr AttrSize
ptr -> do
    Word32
val <- Ptr Word32 -> IO Word32
forall a. Storable a => Ptr a -> IO a
peek (Ptr AttrSize
ptr Ptr AttrSize -> Int -> Ptr Word32
forall a b. Ptr a -> Int -> Ptr b
`plusPtr` 20) :: IO Word32
    Word32 -> IO Word32
forall (m :: * -> *) a. Monad m => a -> m a
return Word32
val

-- | Set the value of the “@absolute@” field.
-- When <https://github.com/haskell-gi/haskell-gi/wiki/Overloading overloading> is enabled, this is equivalent to
-- 
-- @
-- 'Data.GI.Base.Attributes.set' attrSize [ #absolute 'Data.GI.Base.Attributes.:=' value ]
-- @
setAttrSizeAbsolute :: MonadIO m => AttrSize -> Word32 -> m ()
setAttrSizeAbsolute :: AttrSize -> Word32 -> m ()
setAttrSizeAbsolute s :: AttrSize
s val :: Word32
val = IO () -> m ()
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO () -> m ()) -> IO () -> m ()
forall a b. (a -> b) -> a -> b
$ AttrSize -> (Ptr AttrSize -> IO ()) -> IO ()
forall a c.
(HasCallStack, ManagedPtrNewtype a) =>
a -> (Ptr a -> IO c) -> IO c
withManagedPtr AttrSize
s ((Ptr AttrSize -> IO ()) -> IO ())
-> (Ptr AttrSize -> IO ()) -> IO ()
forall a b. (a -> b) -> a -> b
$ \ptr :: Ptr AttrSize
ptr -> do
    Ptr Word32 -> Word32 -> IO ()
forall a. Storable a => Ptr a -> a -> IO ()
poke (Ptr AttrSize
ptr Ptr AttrSize -> Int -> Ptr Word32
forall a b. Ptr a -> Int -> Ptr b
`plusPtr` 20) (Word32
val :: Word32)

#if defined(ENABLE_OVERLOADING)
data AttrSizeAbsoluteFieldInfo
instance AttrInfo AttrSizeAbsoluteFieldInfo where
    type AttrBaseTypeConstraint AttrSizeAbsoluteFieldInfo = (~) AttrSize
    type AttrAllowedOps AttrSizeAbsoluteFieldInfo = '[ 'AttrSet, 'AttrGet]
    type AttrSetTypeConstraint AttrSizeAbsoluteFieldInfo = (~) Word32
    type AttrTransferTypeConstraint AttrSizeAbsoluteFieldInfo = (~)Word32
    type AttrTransferType AttrSizeAbsoluteFieldInfo = Word32
    type AttrGetType AttrSizeAbsoluteFieldInfo = Word32
    type AttrLabel AttrSizeAbsoluteFieldInfo = "absolute"
    type AttrOrigin AttrSizeAbsoluteFieldInfo = AttrSize
    attrGet = getAttrSizeAbsolute
    attrSet = setAttrSizeAbsolute
    attrConstruct = undefined
    attrClear = undefined
    attrTransfer _ v = do
        return v

attrSize_absolute :: AttrLabelProxy "absolute"
attrSize_absolute = AttrLabelProxy

#endif



#if defined(ENABLE_OVERLOADING)
instance O.HasAttributeList AttrSize
type instance O.AttributeList AttrSize = AttrSizeAttributeList
type AttrSizeAttributeList = ('[ '("attr", AttrSizeAttrFieldInfo), '("size", AttrSizeSizeFieldInfo), '("absolute", AttrSizeAbsoluteFieldInfo)] :: [(Symbol, *)])
#endif

-- method AttrSize::new
-- method type : MemberFunction
-- Args: [ Arg
--           { argCName = "size"
--           , argType = TBasicType TInt
--           , direction = DirectionIn
--           , mayBeNull = False
--           , argDoc =
--               Documentation
--                 { rawDocText =
--                     Just "the font size, in %PANGO_SCALE<!-- -->ths of a point."
--                 , 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_size_new" pango_attr_size_new :: 
    Int32 ->                                -- size : TBasicType TInt
    IO (Ptr Pango.Attribute.Attribute)

-- | Create a new font-size attribute in fractional points.
attrSizeNew ::
    (B.CallStack.HasCallStack, MonadIO m) =>
    Int32
    -- ^ /@size@/: the font size, in 'GI.Pango.Constants.SCALE'ths of a point.
    -> m Pango.Attribute.Attribute
    -- ^ __Returns:__ the newly allocated t'GI.Pango.Structs.Attribute.Attribute',
    --               which should be freed with 'GI.Pango.Structs.Attribute.attributeDestroy'.
attrSizeNew :: Int32 -> m Attribute
attrSizeNew size :: Int32
size = 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 Attribute
result <- Int32 -> IO (Ptr Attribute)
pango_attr_size_new Int32
size
    Text -> Ptr Attribute -> IO ()
forall a. HasCallStack => Text -> Ptr a -> IO ()
checkUnexpectedReturnNULL "attrSizeNew" 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
    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 ResolveAttrSizeMethod (t :: Symbol) (o :: *) :: * where
    ResolveAttrSizeMethod l o = O.MethodResolutionFailed l o

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

#endif