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

A structure used to describe a text range.
-}

module GI.Atk.Structs.TextRange
    ( 

-- * Exported types
    TextRange(..)                           ,
    newZeroTextRange                        ,
    noTextRange                             ,


 -- * Properties
-- ** bounds #attr:bounds#
    getTextRangeBounds                      ,
    textRange_bounds                        ,


-- ** content #attr:content#
    clearTextRangeContent                   ,
    getTextRangeContent                     ,
    setTextRangeContent                     ,
    textRange_content                       ,


-- ** endOffset #attr:endOffset#
    getTextRangeEndOffset                   ,
    setTextRangeEndOffset                   ,
    textRange_endOffset                     ,


-- ** startOffset #attr:startOffset#
    getTextRangeStartOffset                 ,
    setTextRangeStartOffset                 ,
    textRange_startOffset                   ,




    ) 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

import {-# SOURCE #-} qualified GI.Atk.Structs.TextRectangle as Atk.TextRectangle

newtype TextRange = TextRange (ManagedPtr TextRange)
foreign import ccall "atk_text_range_get_type" c_atk_text_range_get_type :: 
    IO GType

instance BoxedObject TextRange where
    boxedType _ = c_atk_text_range_get_type

-- | Construct a `TextRange` struct initialized to zero.
newZeroTextRange :: MonadIO m => m TextRange
newZeroTextRange = liftIO $ callocBoxedBytes 32 >>= wrapBoxed TextRange

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


noTextRange :: Maybe TextRange
noTextRange = Nothing

getTextRangeBounds :: MonadIO m => TextRange -> m Atk.TextRectangle.TextRectangle
getTextRangeBounds s = liftIO $ withManagedPtr s $ \ptr -> do
    let val = ptr `plusPtr` 0 :: (Ptr Atk.TextRectangle.TextRectangle)
    val' <- (newPtr Atk.TextRectangle.TextRectangle) val
    return val'

data TextRangeBoundsFieldInfo
instance AttrInfo TextRangeBoundsFieldInfo where
    type AttrAllowedOps TextRangeBoundsFieldInfo = '[ 'AttrGet]
    type AttrSetTypeConstraint TextRangeBoundsFieldInfo = (~) (Ptr Atk.TextRectangle.TextRectangle)
    type AttrBaseTypeConstraint TextRangeBoundsFieldInfo = (~) TextRange
    type AttrGetType TextRangeBoundsFieldInfo = Atk.TextRectangle.TextRectangle
    type AttrLabel TextRangeBoundsFieldInfo = "bounds"
    type AttrOrigin TextRangeBoundsFieldInfo = TextRange
    attrGet _ = getTextRangeBounds
    attrSet _ = undefined
    attrConstruct = undefined
    attrClear _ = undefined

textRange_bounds :: AttrLabelProxy "bounds"
textRange_bounds = AttrLabelProxy


getTextRangeStartOffset :: MonadIO m => TextRange -> m Int32
getTextRangeStartOffset s = liftIO $ withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 16) :: IO Int32
    return val

setTextRangeStartOffset :: MonadIO m => TextRange -> Int32 -> m ()
setTextRangeStartOffset s val = liftIO $ withManagedPtr s $ \ptr -> do
    poke (ptr `plusPtr` 16) (val :: Int32)

data TextRangeStartOffsetFieldInfo
instance AttrInfo TextRangeStartOffsetFieldInfo where
    type AttrAllowedOps TextRangeStartOffsetFieldInfo = '[ 'AttrSet, 'AttrGet]
    type AttrSetTypeConstraint TextRangeStartOffsetFieldInfo = (~) Int32
    type AttrBaseTypeConstraint TextRangeStartOffsetFieldInfo = (~) TextRange
    type AttrGetType TextRangeStartOffsetFieldInfo = Int32
    type AttrLabel TextRangeStartOffsetFieldInfo = "start_offset"
    type AttrOrigin TextRangeStartOffsetFieldInfo = TextRange
    attrGet _ = getTextRangeStartOffset
    attrSet _ = setTextRangeStartOffset
    attrConstruct = undefined
    attrClear _ = undefined

textRange_startOffset :: AttrLabelProxy "startOffset"
textRange_startOffset = AttrLabelProxy


getTextRangeEndOffset :: MonadIO m => TextRange -> m Int32
getTextRangeEndOffset s = liftIO $ withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 20) :: IO Int32
    return val

setTextRangeEndOffset :: MonadIO m => TextRange -> Int32 -> m ()
setTextRangeEndOffset s val = liftIO $ withManagedPtr s $ \ptr -> do
    poke (ptr `plusPtr` 20) (val :: Int32)

data TextRangeEndOffsetFieldInfo
instance AttrInfo TextRangeEndOffsetFieldInfo where
    type AttrAllowedOps TextRangeEndOffsetFieldInfo = '[ 'AttrSet, 'AttrGet]
    type AttrSetTypeConstraint TextRangeEndOffsetFieldInfo = (~) Int32
    type AttrBaseTypeConstraint TextRangeEndOffsetFieldInfo = (~) TextRange
    type AttrGetType TextRangeEndOffsetFieldInfo = Int32
    type AttrLabel TextRangeEndOffsetFieldInfo = "end_offset"
    type AttrOrigin TextRangeEndOffsetFieldInfo = TextRange
    attrGet _ = getTextRangeEndOffset
    attrSet _ = setTextRangeEndOffset
    attrConstruct = undefined
    attrClear _ = undefined

textRange_endOffset :: AttrLabelProxy "endOffset"
textRange_endOffset = AttrLabelProxy


getTextRangeContent :: MonadIO m => TextRange -> m (Maybe T.Text)
getTextRangeContent s = liftIO $ withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 24) :: IO CString
    result <- SP.convertIfNonNull val $ \val' -> do
        val'' <- cstringToText val'
        return val''
    return result

setTextRangeContent :: MonadIO m => TextRange -> CString -> m ()
setTextRangeContent s val = liftIO $ withManagedPtr s $ \ptr -> do
    poke (ptr `plusPtr` 24) (val :: CString)

clearTextRangeContent :: MonadIO m => TextRange -> m ()
clearTextRangeContent s = liftIO $ withManagedPtr s $ \ptr -> do
    poke (ptr `plusPtr` 24) (FP.nullPtr :: CString)

data TextRangeContentFieldInfo
instance AttrInfo TextRangeContentFieldInfo where
    type AttrAllowedOps TextRangeContentFieldInfo = '[ 'AttrSet, 'AttrGet, 'AttrClear]
    type AttrSetTypeConstraint TextRangeContentFieldInfo = (~) CString
    type AttrBaseTypeConstraint TextRangeContentFieldInfo = (~) TextRange
    type AttrGetType TextRangeContentFieldInfo = Maybe T.Text
    type AttrLabel TextRangeContentFieldInfo = "content"
    type AttrOrigin TextRangeContentFieldInfo = TextRange
    attrGet _ = getTextRangeContent
    attrSet _ = setTextRangeContent
    attrConstruct = undefined
    attrClear _ = clearTextRangeContent

textRange_content :: AttrLabelProxy "content"
textRange_content = AttrLabelProxy



instance O.HasAttributeList TextRange
type instance O.AttributeList TextRange = TextRangeAttributeList
type TextRangeAttributeList = ('[ '("bounds", TextRangeBoundsFieldInfo), '("startOffset", TextRangeStartOffsetFieldInfo), '("endOffset", TextRangeEndOffsetFieldInfo), '("content", TextRangeContentFieldInfo)] :: [(Symbol, *)])

type family ResolveTextRangeMethod (t :: Symbol) (o :: *) :: * where
    ResolveTextRangeMethod l o = O.MethodResolutionFailed l o

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

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