-- GENERATED by C->Haskell Compiler, version 0.13.13 (gtk2hs branch) "Bin IO", 27 May 2012 (Haskell)
-- Edit the ORIGINAL .chs file instead!


{-# LINE 1 "./Graphics/UI/Gtk/Windows/Invisible.chs" #-}
-- -*-haskell-*-
--  GIMP Toolkit (GTK) Window
--
--  Author : Andy Stewart
--
--  Created: 7 Oct 2009
--
--  Copyright (C) 2009 Andy Stewart
--
--  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 widget which is not displayed
-- The 'Invisible' widget is used internally in GTK+, and is probably not very useful for application developers.
-- It is used for reliable pointer grabs and selection handling in the code for drag-and-drop.
--
module Graphics.UI.Gtk.Windows.Invisible (

-- * Class Hierarchy
-- |
-- @
-- |  'GObject'
-- |   +----'Object'
-- |         +----'Widget'
-- |               +----Invisible
-- @

-- * Types
  Invisible,

-- * Constructors
  invisibleNew,
  invisibleNewForScreen,

-- * Methods
  invisibleSetScreen,
  invisibleGetScreen,
  ) where

import Control.Monad    (liftM)

import System.Glib.FFI
import Graphics.UI.Gtk.Abstract.Object  (makeNewObject)
import Graphics.UI.Gtk.Gdk.Screen
import Graphics.UI.Gtk.Types
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{-# LINE 59 "./Graphics/UI/Gtk/Windows/Invisible.chs" #-}

--------------------
-- Constructors
-- | Creates a new 'Invisible'.
--
invisibleNew :: IO Invisible
invisibleNew :: IO Invisible
invisibleNew =
  (ForeignPtr Invisible -> Invisible, FinalizerPtr Invisible)
-> IO (Ptr Invisible) -> IO Invisible
forall obj.
GObjectClass obj =>
(ForeignPtr obj -> obj, FinalizerPtr obj) -> IO (Ptr obj) -> IO obj
makeNewObject (ForeignPtr Invisible -> Invisible, FinalizerPtr Invisible)
forall {a}. (ForeignPtr Invisible -> Invisible, FinalizerPtr a)
mkInvisible (IO (Ptr Invisible) -> IO Invisible)
-> IO (Ptr Invisible) -> IO Invisible
forall a b. (a -> b) -> a -> b
$
  (Ptr Widget -> Ptr Invisible)
-> IO (Ptr Widget) -> IO (Ptr Invisible)
forall (m :: * -> *) a1 r. Monad m => (a1 -> r) -> m a1 -> m r
liftM (Ptr Widget -> Ptr Invisible
forall a b. Ptr a -> Ptr b
castPtr :: Ptr Widget -> Ptr Invisible) (IO (Ptr Widget) -> IO (Ptr Invisible))
-> IO (Ptr Widget) -> IO (Ptr Invisible)
forall a b. (a -> b) -> a -> b
$
  IO (Ptr Widget)
gtk_invisible_new
{-# LINE 69 "./Graphics/UI/Gtk/Windows/Invisible.chs" #-}

-- | Creates a new 'Invisible' object for a specified screen
--
-- * Available since Gdk version 2.2
--
invisibleNewForScreen ::
   Screen   -- ^ @screen@ - a 'Screen' which identifies on which the new 'Invisible' will be created.
 -> IO Invisible
invisibleNewForScreen :: Screen -> IO Invisible
invisibleNewForScreen Screen
screen =
  (ForeignPtr Invisible -> Invisible, FinalizerPtr Invisible)
-> IO (Ptr Invisible) -> IO Invisible
forall obj.
GObjectClass obj =>
(ForeignPtr obj -> obj, FinalizerPtr obj) -> IO (Ptr obj) -> IO obj
makeNewObject (ForeignPtr Invisible -> Invisible, FinalizerPtr Invisible)
forall {a}. (ForeignPtr Invisible -> Invisible, FinalizerPtr a)
mkInvisible (IO (Ptr Invisible) -> IO Invisible)
-> IO (Ptr Invisible) -> IO Invisible
forall a b. (a -> b) -> a -> b
$
  (Ptr Widget -> Ptr Invisible)
-> IO (Ptr Widget) -> IO (Ptr Invisible)
forall (m :: * -> *) a1 r. Monad m => (a1 -> r) -> m a1 -> m r
liftM (Ptr Widget -> Ptr Invisible
forall a b. Ptr a -> Ptr b
castPtr :: Ptr Widget -> Ptr Invisible) (IO (Ptr Widget) -> IO (Ptr Invisible))
-> IO (Ptr Widget) -> IO (Ptr Invisible)
forall a b. (a -> b) -> a -> b
$
  (\(Screen ForeignPtr Screen
arg1) -> ForeignPtr Screen
-> (Ptr Screen -> IO (Ptr Widget)) -> IO (Ptr Widget)
forall a b. ForeignPtr a -> (Ptr a -> IO b) -> IO b
withForeignPtr ForeignPtr Screen
arg1 ((Ptr Screen -> IO (Ptr Widget)) -> IO (Ptr Widget))
-> (Ptr Screen -> IO (Ptr Widget)) -> IO (Ptr Widget)
forall a b. (a -> b) -> a -> b
$ \Ptr Screen
argPtr1 ->Ptr Screen -> IO (Ptr Widget)
gtk_invisible_new_for_screen Ptr Screen
argPtr1) Screen
screen

-- | Sets the 'Screen' where the 'Invisible' object will be displayed.
--
-- * Available since Gdk version 2.2
--
invisibleSetScreen :: Invisible
 -> Screen  -- ^ @screen@ - the 'Screen' to set
 -> IO ()
invisibleSetScreen :: Invisible -> Screen -> IO ()
invisibleSetScreen Invisible
invisible Screen
screen =
  (\(Invisible ForeignPtr Invisible
arg1) (Screen ForeignPtr Screen
arg2) -> ForeignPtr Invisible -> (Ptr Invisible -> IO ()) -> IO ()
forall a b. ForeignPtr a -> (Ptr a -> IO b) -> IO b
withForeignPtr ForeignPtr Invisible
arg1 ((Ptr Invisible -> IO ()) -> IO ())
-> (Ptr Invisible -> IO ()) -> IO ()
forall a b. (a -> b) -> a -> b
$ \Ptr Invisible
argPtr1 ->ForeignPtr Screen -> (Ptr Screen -> IO ()) -> IO ()
forall a b. ForeignPtr a -> (Ptr a -> IO b) -> IO b
withForeignPtr ForeignPtr Screen
arg2 ((Ptr Screen -> IO ()) -> IO ()) -> (Ptr Screen -> IO ()) -> IO ()
forall a b. (a -> b) -> a -> b
$ \Ptr Screen
argPtr2 ->Ptr Invisible -> Ptr Screen -> IO ()
gtk_invisible_set_screen Ptr Invisible
argPtr1 Ptr Screen
argPtr2) Invisible
invisible Screen
screen

-- | Returns the 'Screen' object associated with invisible
--
-- * Available since Gdk version 2.2
--
invisibleGetScreen :: Invisible
 -> IO Screen
invisibleGetScreen :: Invisible -> IO Screen
invisibleGetScreen Invisible
invisible =
  (ForeignPtr Screen -> Screen, FinalizerPtr Screen)
-> IO (Ptr Screen) -> IO Screen
forall obj.
GObjectClass obj =>
(ForeignPtr obj -> obj, FinalizerPtr obj) -> IO (Ptr obj) -> IO obj
makeNewGObject (ForeignPtr Screen -> Screen, FinalizerPtr Screen)
forall {a}. (ForeignPtr Screen -> Screen, FinalizerPtr a)
mkScreen (IO (Ptr Screen) -> IO Screen) -> IO (Ptr Screen) -> IO Screen
forall a b. (a -> b) -> a -> b
$
  (\(Invisible ForeignPtr Invisible
arg1) -> ForeignPtr Invisible
-> (Ptr Invisible -> IO (Ptr Screen)) -> IO (Ptr Screen)
forall a b. ForeignPtr a -> (Ptr a -> IO b) -> IO b
withForeignPtr ForeignPtr Invisible
arg1 ((Ptr Invisible -> IO (Ptr Screen)) -> IO (Ptr Screen))
-> (Ptr Invisible -> IO (Ptr Screen)) -> IO (Ptr Screen)
forall a b. (a -> b) -> a -> b
$ \Ptr Invisible
argPtr1 ->Ptr Invisible -> IO (Ptr Screen)
gtk_invisible_get_screen Ptr Invisible
argPtr1) Invisible
invisible


foreign import ccall safe "gtk_invisible_new"
  gtk_invisible_new :: (IO (Ptr Widget))

foreign import ccall safe "gtk_invisible_new_for_screen"
  gtk_invisible_new_for_screen :: ((Ptr Screen) -> (IO (Ptr Widget)))

foreign import ccall safe "gtk_invisible_set_screen"
  gtk_invisible_set_screen :: ((Ptr Invisible) -> ((Ptr Screen) -> (IO ())))

foreign import ccall safe "gtk_invisible_get_screen"
  gtk_invisible_get_screen :: ((Ptr Invisible) -> (IO (Ptr Screen)))