{- |
Copyright  : Will Thompson, Iñaki García Etxebarria and Jonas Platte
License    : LGPL-2.1
Maintainer : Iñaki García Etxebarria (garetxe@gmail.com)

Represents a request of a screen object in a given orientation. These
are primarily used in container implementations when allocating a natural
size for children calling. See 'GI.Gtk.Functions.distributeNaturalAllocation'.
-}

module GI.Gtk.Structs.RequestedSize
    ( 

-- * Exported types
    RequestedSize(..)                       ,
    newZeroRequestedSize                    ,
    noRequestedSize                         ,


 -- * Properties
-- ** data #attr:data#
    clearRequestedSizeData                  ,
    getRequestedSizeData                    ,
#if defined(ENABLE_OVERLOADING) && !defined(__HADDOCK_VERSION__)
    requestedSize_data                      ,
#endif
    setRequestedSizeData                    ,


-- ** minimumSize #attr:minimumSize#
    getRequestedSizeMinimumSize             ,
#if defined(ENABLE_OVERLOADING) && !defined(__HADDOCK_VERSION__)
    requestedSize_minimumSize               ,
#endif
    setRequestedSizeMinimumSize             ,


-- ** naturalSize #attr:naturalSize#
    getRequestedSizeNaturalSize             ,
#if defined(ENABLE_OVERLOADING) && !defined(__HADDOCK_VERSION__)
    requestedSize_naturalSize               ,
#endif
    setRequestedSizeNaturalSize             ,




    ) 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.GError as B.GError
import qualified Data.GI.Base.GVariant as B.GVariant
import qualified Data.GI.Base.GParamSpec as B.GParamSpec
import qualified Data.GI.Base.CallStack as B.CallStack
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


newtype RequestedSize = RequestedSize (ManagedPtr RequestedSize)
instance WrappedPtr RequestedSize where
    wrappedPtrCalloc = callocBytes 16
    wrappedPtrCopy = \p -> withManagedPtr p (copyBytes 16 >=> wrapPtr RequestedSize)
    wrappedPtrFree = Just ptr_to_g_free

-- | Construct a `RequestedSize` struct initialized to zero.
newZeroRequestedSize :: MonadIO m => m RequestedSize
newZeroRequestedSize = liftIO $ wrappedPtrCalloc >>= wrapPtr RequestedSize

instance tag ~ 'AttrSet => Constructible RequestedSize tag where
    new _ attrs = do
        o <- newZeroRequestedSize
        GI.Attributes.set o attrs
        return o


noRequestedSize :: Maybe RequestedSize
noRequestedSize = Nothing

getRequestedSizeData :: MonadIO m => RequestedSize -> m (Ptr ())
getRequestedSizeData s = liftIO $ withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 0) :: IO (Ptr ())
    return val

setRequestedSizeData :: MonadIO m => RequestedSize -> Ptr () -> m ()
setRequestedSizeData s val = liftIO $ withManagedPtr s $ \ptr -> do
    poke (ptr `plusPtr` 0) (val :: Ptr ())

clearRequestedSizeData :: MonadIO m => RequestedSize -> m ()
clearRequestedSizeData s = liftIO $ withManagedPtr s $ \ptr -> do
    poke (ptr `plusPtr` 0) (FP.nullPtr :: Ptr ())

#if defined(ENABLE_OVERLOADING) && !defined(__HADDOCK_VERSION__)
data RequestedSizeDataFieldInfo
instance AttrInfo RequestedSizeDataFieldInfo where
    type AttrAllowedOps RequestedSizeDataFieldInfo = '[ 'AttrSet, 'AttrGet, 'AttrClear]
    type AttrSetTypeConstraint RequestedSizeDataFieldInfo = (~) (Ptr ())
    type AttrBaseTypeConstraint RequestedSizeDataFieldInfo = (~) RequestedSize
    type AttrGetType RequestedSizeDataFieldInfo = Ptr ()
    type AttrLabel RequestedSizeDataFieldInfo = "data"
    type AttrOrigin RequestedSizeDataFieldInfo = RequestedSize
    attrGet _ = getRequestedSizeData
    attrSet _ = setRequestedSizeData
    attrConstruct = undefined
    attrClear _ = clearRequestedSizeData

requestedSize_data :: AttrLabelProxy "data"
requestedSize_data = AttrLabelProxy

#endif


getRequestedSizeMinimumSize :: MonadIO m => RequestedSize -> m Int32
getRequestedSizeMinimumSize s = liftIO $ withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 8) :: IO Int32
    return val

setRequestedSizeMinimumSize :: MonadIO m => RequestedSize -> Int32 -> m ()
setRequestedSizeMinimumSize s val = liftIO $ withManagedPtr s $ \ptr -> do
    poke (ptr `plusPtr` 8) (val :: Int32)

#if defined(ENABLE_OVERLOADING) && !defined(__HADDOCK_VERSION__)
data RequestedSizeMinimumSizeFieldInfo
instance AttrInfo RequestedSizeMinimumSizeFieldInfo where
    type AttrAllowedOps RequestedSizeMinimumSizeFieldInfo = '[ 'AttrSet, 'AttrGet]
    type AttrSetTypeConstraint RequestedSizeMinimumSizeFieldInfo = (~) Int32
    type AttrBaseTypeConstraint RequestedSizeMinimumSizeFieldInfo = (~) RequestedSize
    type AttrGetType RequestedSizeMinimumSizeFieldInfo = Int32
    type AttrLabel RequestedSizeMinimumSizeFieldInfo = "minimum_size"
    type AttrOrigin RequestedSizeMinimumSizeFieldInfo = RequestedSize
    attrGet _ = getRequestedSizeMinimumSize
    attrSet _ = setRequestedSizeMinimumSize
    attrConstruct = undefined
    attrClear _ = undefined

requestedSize_minimumSize :: AttrLabelProxy "minimumSize"
requestedSize_minimumSize = AttrLabelProxy

#endif


getRequestedSizeNaturalSize :: MonadIO m => RequestedSize -> m Int32
getRequestedSizeNaturalSize s = liftIO $ withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 12) :: IO Int32
    return val

setRequestedSizeNaturalSize :: MonadIO m => RequestedSize -> Int32 -> m ()
setRequestedSizeNaturalSize s val = liftIO $ withManagedPtr s $ \ptr -> do
    poke (ptr `plusPtr` 12) (val :: Int32)

#if defined(ENABLE_OVERLOADING) && !defined(__HADDOCK_VERSION__)
data RequestedSizeNaturalSizeFieldInfo
instance AttrInfo RequestedSizeNaturalSizeFieldInfo where
    type AttrAllowedOps RequestedSizeNaturalSizeFieldInfo = '[ 'AttrSet, 'AttrGet]
    type AttrSetTypeConstraint RequestedSizeNaturalSizeFieldInfo = (~) Int32
    type AttrBaseTypeConstraint RequestedSizeNaturalSizeFieldInfo = (~) RequestedSize
    type AttrGetType RequestedSizeNaturalSizeFieldInfo = Int32
    type AttrLabel RequestedSizeNaturalSizeFieldInfo = "natural_size"
    type AttrOrigin RequestedSizeNaturalSizeFieldInfo = RequestedSize
    attrGet _ = getRequestedSizeNaturalSize
    attrSet _ = setRequestedSizeNaturalSize
    attrConstruct = undefined
    attrClear _ = undefined

requestedSize_naturalSize :: AttrLabelProxy "naturalSize"
requestedSize_naturalSize = AttrLabelProxy

#endif



#if defined(ENABLE_OVERLOADING) && !defined(__HADDOCK_VERSION__)
instance O.HasAttributeList RequestedSize
type instance O.AttributeList RequestedSize = RequestedSizeAttributeList
type RequestedSizeAttributeList = ('[ '("data", RequestedSizeDataFieldInfo), '("minimumSize", RequestedSizeMinimumSizeFieldInfo), '("naturalSize", RequestedSizeNaturalSizeFieldInfo)] :: [(Symbol, *)])
#endif

#if defined(ENABLE_OVERLOADING) && !defined(__HADDOCK_VERSION__)
type family ResolveRequestedSizeMethod (t :: Symbol) (o :: *) :: * where
    ResolveRequestedSizeMethod l o = O.MethodResolutionFailed l o

instance (info ~ ResolveRequestedSizeMethod t RequestedSize, O.MethodInfo info RequestedSize p) => O.IsLabelProxy t (RequestedSize -> p) where
    fromLabelProxy _ = O.overloadedMethod (O.MethodProxy :: O.MethodProxy info)

#if MIN_VERSION_base(4,9,0)
instance (info ~ ResolveRequestedSizeMethod t RequestedSize, O.MethodInfo info RequestedSize p) => O.IsLabel t (RequestedSize -> p) where
#if MIN_VERSION_base(4,10,0)
    fromLabel = O.overloadedMethod (O.MethodProxy :: O.MethodProxy info)
#else
    fromLabel _ = O.overloadedMethod (O.MethodProxy :: O.MethodProxy info)
#endif
#endif

#endif