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{-# LANGUAGE CPP #-}
-- -*-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 System.Glib.UTFString
import System.Glib.GError
import System.Glib.Attributes
import System.Glib.Properties
import System.Glib.GObject (makeNewGObject)
import Graphics.UI.Gtk.Abstract.Object (makeNewObject)
import Graphics.UI.Gtk.General.Enums
import Graphics.UI.Gtk.Gdk.Screen
{#import Graphics.UI.Gtk.Types#}
{#import Graphics.UI.Gtk.Gdk.Enums#} (Modifier(..))
{# context lib="gtk" prefix="gtk" #}
--------------------
-- Constructors
-- | Creates a new 'Invisible'.
--
invisibleNew :: IO Invisible
invisibleNew =
makeNewObject mkInvisible $
liftM (castPtr :: Ptr Widget -> Ptr Invisible) $
{# call invisible_new #}
-- | 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 =
makeNewObject mkInvisible $
liftM (castPtr :: Ptr Widget -> Ptr Invisible) $
{# call invisible_new_for_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 =
{# call invisible_set_screen #} invisible screen
-- | Returns the 'Screen' object associated with invisible
--
-- * Available since Gdk version 2.2
--
invisibleGetScreen :: Invisible
-> IO Screen
invisibleGetScreen invisible =
makeNewGObject mkScreen $
{# call invisible_get_screen #} invisible
|
