    {-# LINE 2 "./Graphics/UI/Gtk/Abstract/Bin.chs" #-}
    -- -*-haskell-*-
    -- GIMP Toolkit (GTK) Widget Bin
    --
    -- Author : Duncan Coutts
    --
    -- Created: 25 April 2004
    --
    -- Copyright (C) 2004-2005 Duncan Coutts
    --
    -- This library is free software; you can redistribute it and/or
    -- modify it under the terms of the GNU Lesser General Public
    -- License as published by the Free Software Foundation; either
    -- version 2.1 of the License, or (at your option) any later version.
    --
    -- This library is distributed in the hope that it will be useful,
    -- but WITHOUT ANY WARRANTY; without even the implied warranty of
    -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
    -- Lesser General Public License for more details.
    --
    -- |
    -- Maintainer : gtk2hs-users@lists.sourceforge.net
    -- Stability : provisional
    -- Portability : portable (depends on GHC)
    --
    -- A container with just one child
    --
    module Graphics.UI.Gtk.Abstract.Bin (
    -- * Detail
    --
    -- | The 'Bin' widget is a container with just one child. It is not very
    -- useful itself, but it is useful for deriving subclasses, since it provides
    -- common code needed for handling a single child widget.
    --
    -- Many Gtk+ widgets are subclasses of 'Bin', including 'Window', 'Button',
    -- 'Frame', 'HandleBox', and 'ScrolledWindow'.

    -- * Class Hierarchy
    -- |
    -- @
    -- | 'GObject'
    -- | +----'Object'
    -- | +----'Widget'
    -- | +----'Container'
    -- | +----Bin
    -- | +----'Window'
    -- | +----'Alignment'
    -- | +----'Frame'
    -- | +----'Button'
    -- | +----'Item'
    -- | +----'ComboBox'
    -- | +----'EventBox'
    -- | +----'Expander'
    -- | +----'HandleBox'
    -- | +----'ToolItem'
    -- | +----'ScrolledWindow'
    -- | +----'Viewport'
    -- @

    -- * Types
      Bin,
      BinClass,
      castToBin, gTypeBin,
      toBin,

    -- * Methods
      binGetChild,
      ) where

    import System.Glib.FFI
    import Graphics.UI.Gtk.Abstract.Object (makeNewObject)
    import Graphics.UI.Gtk.Types
    {-# LINE 73 "./Graphics/UI/Gtk/Abstract/Bin.chs" #-}

    {-# LINE 75 "./Graphics/UI/Gtk/Abstract/Bin.chs" #-}

    --------------------
    -- Methods

    -- | Gets the child of the 'Bin', or @Nothing@ if the bin contains no child
    -- widget.
    --
    binGetChild :: BinClass self => self
     -> IO (Maybe Widget) -- ^ returns pointer to child of the 'Bin'
    binGetChild :: forall self. BinClass self => self -> IO (Maybe Widget)
    binGetChild self
    self =
      (IO (Ptr Widget) -> IO Widget)
    -> IO (Ptr Widget) -> IO (Maybe Widget)
    forall a. (IO (Ptr a) -> IO a) -> IO (Ptr a) -> IO (Maybe a)
    maybeNull ((ForeignPtr Widget -> Widget, FinalizerPtr Widget)
    -> IO (Ptr Widget) -> IO Widget
    forall obj.
    GObjectClass obj =>
    (ForeignPtr obj -> obj, FinalizerPtr obj) -> IO (Ptr obj) -> IO obj
    makeNewObject (ForeignPtr Widget -> Widget, FinalizerPtr Widget)
    forall {a}. (ForeignPtr Widget -> Widget, FinalizerPtr a)
    mkWidget) (IO (Ptr Widget) -> IO (Maybe Widget))
    -> IO (Ptr Widget) -> IO (Maybe Widget)
    forall a b. (a -> b) -> a -> b
    $
      (\(Bin ForeignPtr Bin
    arg1) -> ForeignPtr Bin -> (Ptr Bin -> IO (Ptr Widget)) -> IO (Ptr Widget)
    forall a b. ForeignPtr a -> (Ptr a -> IO b) -> IO b
    withForeignPtr ForeignPtr Bin
    arg1 ((Ptr Bin -> IO (Ptr Widget)) -> IO (Ptr Widget))
    -> (Ptr Bin -> IO (Ptr Widget)) -> IO (Ptr Widget)
    forall a b. (a -> b) -> a -> b
    $ \Ptr Bin
    argPtr1 ->Ptr Bin -> IO (Ptr Widget)
    gtk_bin_get_child Ptr Bin
    argPtr1)
    {-# LINE 87 "./Graphics/UI/Gtk/Abstract/Bin.chs" #-}
        (toBin self)

    foreign import ccall safe "gtk_bin_get_child"
      gtk_bin_get_child :: ((Ptr Bin) -> (IO (Ptr Widget)))