{-# LINE 2 "./Graphics/UI/Gtk/Layout/Overlay.chs" #-}
-- -*-haskell-*-
-- GTK3 Widget Overlay
--
-- Author : Vincent Hanquez
--
-- Created: 15 May 2014
--
-- Copyright (C) 2014 Vincent Hanquez
-- Copyright (C) 1999-2005 Axel Simon
--
-- 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 simple container that can display overlayed widgets
--
module Graphics.UI.Gtk.Layout.Overlay (
-- * Detail
--
-- | The Overlay widget is a Bin widget where widgets can be added as overlay of the bin widget.

-- * Class Hierarchy
-- |
-- @
-- | 'GObject'
-- | +----'Object'
-- | +----'Widget'
-- | +----'Container'
-- | +----'Bin'
-- | +----Overlay
-- @

-- * Types
  Overlay,
  OverlayClass,
  castToOverlay, gTypeOverlay,
  toOverlay,

-- * Constructors
  overlayNew,
  overlayAdd
  ) where

import Control.Monad (liftM)

import System.Glib.FFI
import Graphics.UI.Gtk.Abstract.Object (makeNewObject)
import Graphics.UI.Gtk.Types
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{-# LINE 63 "./Graphics/UI/Gtk/Layout/Overlay.chs" #-}

--------------------
-- Constructors

-- | Create a new 'Overlay'
--
overlayNew :: IO Overlay
overlayNew :: IO Overlay
overlayNew =
  (ForeignPtr Overlay -> Overlay, FinalizerPtr Overlay)
-> IO (Ptr Overlay) -> IO Overlay
forall obj.
GObjectClass obj =>
(ForeignPtr obj -> obj, FinalizerPtr obj) -> IO (Ptr obj) -> IO obj
makeNewObject (ForeignPtr Overlay -> Overlay, FinalizerPtr Overlay)
forall {a}. (ForeignPtr Overlay -> Overlay, FinalizerPtr a)
mkOverlay (IO (Ptr Overlay) -> IO Overlay) -> IO (Ptr Overlay) -> IO Overlay
forall a b. (a -> b) -> a -> b
$
  (Ptr Widget -> Ptr Overlay) -> IO (Ptr Widget) -> IO (Ptr Overlay)
forall (m :: * -> *) a1 r. Monad m => (a1 -> r) -> m a1 -> m r
liftM (Ptr Widget -> Ptr Overlay
forall a b. Ptr a -> Ptr b
castPtr :: Ptr Widget -> Ptr Overlay) (IO (Ptr Widget) -> IO (Ptr Overlay))
-> IO (Ptr Widget) -> IO (Ptr Overlay)
forall a b. (a -> b) -> a -> b
$
  IO (Ptr Widget)
gtk_overlay_new
{-# LINE 74 "./Graphics/UI/Gtk/Layout/Overlay.chs" #-}

overlayAdd :: (OverlayClass self, WidgetClass widget) => self
  -> widget -- ^ @widget@ - a widget to be placed as overlay
  -> IO ()
overlayAdd :: forall self widget.
(OverlayClass self, WidgetClass widget) =>
self -> widget -> IO ()
overlayAdd self
self widget
widget =
  (\(Overlay ForeignPtr Overlay
arg1) (Widget ForeignPtr Widget
arg2) -> ForeignPtr Overlay -> (Ptr Overlay -> IO ()) -> IO ()
forall a b. ForeignPtr a -> (Ptr a -> IO b) -> IO b
withForeignPtr ForeignPtr Overlay
arg1 ((Ptr Overlay -> IO ()) -> IO ())
-> (Ptr Overlay -> IO ()) -> IO ()
forall a b. (a -> b) -> a -> b
$ \Ptr Overlay
argPtr1 ->ForeignPtr Widget -> (Ptr Widget -> IO ()) -> IO ()
forall a b. ForeignPtr a -> (Ptr a -> IO b) -> IO b
withForeignPtr ForeignPtr Widget
arg2 ((Ptr Widget -> IO ()) -> IO ()) -> (Ptr Widget -> IO ()) -> IO ()
forall a b. (a -> b) -> a -> b
$ \Ptr Widget
argPtr2 ->Ptr Overlay -> Ptr Widget -> IO ()
gtk_overlay_add_overlay Ptr Overlay
argPtr1 Ptr Widget
argPtr2)
{-# LINE 80 "./Graphics/UI/Gtk/Layout/Overlay.chs" #-}
    (toOverlay self)
    (widget -> Widget
forall o. WidgetClass o => o -> Widget
toWidget widget
widget)

foreign import ccall unsafe "gtk_overlay_new"
  gtk_overlay_new :: (IO (Ptr Widget))

foreign import ccall unsafe "gtk_overlay_add_overlay"
  gtk_overlay_add_overlay :: ((Ptr Overlay) -> ((Ptr Widget) -> (IO ())))