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ghc-gtk-devel-0.11.2-5.fc14.i686.rpm

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<pre><a name="line-1"></a><span class='hs-comment'>-- GENERATED by C-&gt;Haskell Compiler, version 0.13.4 (gtk2hs branch) "Bin IO", 13 Nov 2004 (Haskell)</span>
<a name="line-2"></a><span class='hs-comment'>-- Edit the ORIGNAL .chs file instead!</span>
<a name="line-3"></a>
<a name="line-4"></a>
<a name="line-5"></a><span class='hs-comment'>{-# LINE 1 "./Graphics/UI/Gtk/Misc/DrawingArea.chs" #-}</span>
<a name="line-6"></a><span class='hs-comment'>-- -*-haskell-*-</span>
<a name="line-7"></a><span class='hs-comment'>--  GIMP Toolkit (GTK) Widget DrawingArea</span>
<a name="line-8"></a><span class='hs-comment'>--</span>
<a name="line-9"></a><span class='hs-comment'>--  Author : Axel Simon</span>
<a name="line-10"></a><span class='hs-comment'>--</span>
<a name="line-11"></a><span class='hs-comment'>--  Created: 22 September 2002</span>
<a name="line-12"></a><span class='hs-comment'>--</span>
<a name="line-13"></a><span class='hs-comment'>--  Copyright (C) 1999-2005 Axel Simon</span>
<a name="line-14"></a><span class='hs-comment'>--</span>
<a name="line-15"></a><span class='hs-comment'>--  This library is free software; you can redistribute it and/or</span>
<a name="line-16"></a><span class='hs-comment'>--  modify it under the terms of the GNU Lesser General Public</span>
<a name="line-17"></a><span class='hs-comment'>--  License as published by the Free Software Foundation; either</span>
<a name="line-18"></a><span class='hs-comment'>--  version 2.1 of the License, or (at your option) any later version.</span>
<a name="line-19"></a><span class='hs-comment'>--</span>
<a name="line-20"></a><span class='hs-comment'>--  This library is distributed in the hope that it will be useful,</span>
<a name="line-21"></a><span class='hs-comment'>--  but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="line-22"></a><span class='hs-comment'>--  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU</span>
<a name="line-23"></a><span class='hs-comment'>--  Lesser General Public License for more details.</span>
<a name="line-24"></a><span class='hs-comment'>--</span>
<a name="line-25"></a><span class='hs-comment'>-- |</span>
<a name="line-26"></a><span class='hs-comment'>-- Maintainer  : gtk2hs-users@lists.sourceforge.net</span>
<a name="line-27"></a><span class='hs-comment'>-- Stability   : provisional</span>
<a name="line-28"></a><span class='hs-comment'>-- Portability : portable (depends on GHC)</span>
<a name="line-29"></a><span class='hs-comment'>--</span>
<a name="line-30"></a><span class='hs-comment'>-- A widget for custom user interface elements</span>
<a name="line-31"></a><span class='hs-comment'>--</span>
<a name="line-32"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>UI</span><span class='hs-varop'>.</span><span class='hs-conid'>Gtk</span><span class='hs-varop'>.</span><span class='hs-conid'>Misc</span><span class='hs-varop'>.</span><span class='hs-conid'>DrawingArea</span> <span class='hs-layout'>(</span>
<a name="line-33"></a><span class='hs-comment'>-- * Detail</span>
<a name="line-34"></a><span class='hs-comment'>-- </span>
<a name="line-35"></a><span class='hs-comment'>-- | The 'DrawingArea' widget is used for creating custom user interface</span>
<a name="line-36"></a><span class='hs-comment'>-- elements. It's essentially a blank widget; you can draw on</span>
<a name="line-37"></a><span class='hs-comment'>-- the 'Drawable' returned by 'drawingAreaGetDrawWindow'.</span>
<a name="line-38"></a><span class='hs-comment'>--</span>
<a name="line-39"></a><span class='hs-comment'>-- After creating a drawing area, the application may want to connect to:</span>
<a name="line-40"></a><span class='hs-comment'>--</span>
<a name="line-41"></a><span class='hs-comment'>-- * Mouse and button press signals to respond to input from the user.</span>
<a name="line-42"></a><span class='hs-comment'>--</span>
<a name="line-43"></a><span class='hs-comment'>-- * The 'realize' signal to take any necessary actions when the widget is</span>
<a name="line-44"></a><span class='hs-comment'>-- instantiated on a particular display. (Create GDK resources in response to</span>
<a name="line-45"></a><span class='hs-comment'>-- this signal.)</span>
<a name="line-46"></a><span class='hs-comment'>--</span>
<a name="line-47"></a><span class='hs-comment'>-- * The 'configureEvent' signal to take any necessary actions when the</span>
<a name="line-48"></a><span class='hs-comment'>-- widget changes size.</span>
<a name="line-49"></a><span class='hs-comment'>--</span>
<a name="line-50"></a><span class='hs-comment'>-- * The 'exposeEvent' signal to handle redrawing the contents of the</span>
<a name="line-51"></a><span class='hs-comment'>-- widget.</span>
<a name="line-52"></a><span class='hs-comment'>--</span>
<a name="line-53"></a><span class='hs-comment'>-- Expose events are normally delivered when a drawing area first comes</span>
<a name="line-54"></a><span class='hs-comment'>-- onscreen, or when it's covered by another window and then uncovered</span>
<a name="line-55"></a><span class='hs-comment'>-- (exposed). You can also force an expose event by adding to the \"damage</span>
<a name="line-56"></a><span class='hs-comment'>-- region\" of the drawing area's window; 'widgetQueueDrawArea' and</span>
<a name="line-57"></a><span class='hs-comment'>-- 'windowInvalidateRect' are equally good ways to do this. You\'ll then get an</span>
<a name="line-58"></a><span class='hs-comment'>-- expose event for the invalid region.</span>
<a name="line-59"></a><span class='hs-comment'>--</span>
<a name="line-60"></a><span class='hs-comment'>-- The available routines for drawing are documented on the GDK Drawing</span>
<a name="line-61"></a><span class='hs-comment'>-- Primitives page.</span>
<a name="line-62"></a><span class='hs-comment'>--</span>
<a name="line-63"></a><span class='hs-comment'>-- To receive mouse events on a drawing area, you will need to enable them</span>
<a name="line-64"></a><span class='hs-comment'>-- with 'widgetAddEvents'. To receive keyboard events, you will need to set the</span>
<a name="line-65"></a><span class='hs-comment'>-- 'widgetCanFocus' attribute on the drawing area, and should probably draw some</span>
<a name="line-66"></a><span class='hs-comment'>-- user-visible indication that the drawing area is focused.</span>
<a name="line-67"></a>
<a name="line-68"></a><span class='hs-comment'>-- * Class Hierarchy</span>
<a name="line-69"></a><span class='hs-comment'>-- |</span>
<a name="line-70"></a><span class='hs-comment'>-- @</span>
<a name="line-71"></a><span class='hs-comment'>-- |  'GObject'</span>
<a name="line-72"></a><span class='hs-comment'>-- |   +----'Object'</span>
<a name="line-73"></a><span class='hs-comment'>-- |         +----'Widget'</span>
<a name="line-74"></a><span class='hs-comment'>-- |               +----DrawingArea</span>
<a name="line-75"></a><span class='hs-comment'>-- @</span>
<a name="line-76"></a>
<a name="line-77"></a><span class='hs-comment'>-- * Types</span>
<a name="line-78"></a>  <span class='hs-conid'>DrawingArea</span><span class='hs-layout'>,</span>
<a name="line-79"></a>  <span class='hs-conid'>DrawingAreaClass</span><span class='hs-layout'>,</span>
<a name="line-80"></a>  <span class='hs-varid'>castToDrawingArea</span><span class='hs-layout'>,</span> <span class='hs-varid'>gTypeDrawingArea</span><span class='hs-layout'>,</span>
<a name="line-81"></a>  <span class='hs-varid'>toDrawingArea</span><span class='hs-layout'>,</span>
<a name="line-82"></a>
<a name="line-83"></a><span class='hs-comment'>-- * Constructors</span>
<a name="line-84"></a>  <span class='hs-varid'>drawingAreaNew</span><span class='hs-layout'>,</span>
<a name="line-85"></a>
<a name="line-86"></a><span class='hs-comment'>-- * Methods</span>
<a name="line-87"></a>  <span class='hs-varid'>drawingAreaGetDrawWindow</span><span class='hs-layout'>,</span>
<a name="line-88"></a>  <span class='hs-varid'>drawingAreaGetSize</span>
<a name="line-89"></a>  <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-90"></a>
<a name="line-91"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span>	<span class='hs-layout'>(</span><span class='hs-varid'>liftM</span><span class='hs-layout'>)</span>
<a name="line-92"></a>
<a name="line-93"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Glib</span><span class='hs-varop'>.</span><span class='hs-conid'>FFI</span>
<a name="line-94"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>UI</span><span class='hs-varop'>.</span><span class='hs-conid'>Gtk</span><span class='hs-varop'>.</span><span class='hs-conid'>Abstract</span><span class='hs-varop'>.</span><span class='hs-conid'>Object</span>	<span class='hs-layout'>(</span><span class='hs-varid'>makeNewObject</span><span class='hs-layout'>)</span>
<a name="line-95"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>UI</span><span class='hs-varop'>.</span><span class='hs-conid'>Gtk</span><span class='hs-varop'>.</span><span class='hs-conid'>Types</span>
<a name="line-96"></a><span class='hs-comment'>{-# LINE 90 "./Graphics/UI/Gtk/Misc/DrawingArea.chs" #-}</span>
<a name="line-97"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>UI</span><span class='hs-varop'>.</span><span class='hs-conid'>Gtk</span><span class='hs-varop'>.</span><span class='hs-conid'>General</span><span class='hs-varop'>.</span><span class='hs-conid'>Structs</span>	<span class='hs-layout'>(</span><span class='hs-varid'>widgetGetDrawWindow</span><span class='hs-layout'>,</span> <span class='hs-varid'>widgetGetSize</span><span class='hs-layout'>)</span>
<a name="line-98"></a><span class='hs-comment'>-- to make haddock happy:</span>
<a name="line-99"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>UI</span><span class='hs-varop'>.</span><span class='hs-conid'>Gtk</span><span class='hs-varop'>.</span><span class='hs-conid'>Abstract</span><span class='hs-varop'>.</span><span class='hs-conid'>Widget</span>
<a name="line-100"></a>
<a name="line-101"></a>
<a name="line-102"></a><span class='hs-comment'>{-# LINE 95 "./Graphics/UI/Gtk/Misc/DrawingArea.chs" #-}</span>
<a name="line-103"></a>
<a name="line-104"></a><span class='hs-comment'>--------------------</span>
<a name="line-105"></a><span class='hs-comment'>-- Constructors</span>
<a name="line-106"></a>
<a name="line-107"></a><a name="drawingAreaNew"></a><span class='hs-comment'>-- | Creates a new drawing area.</span>
<a name="line-108"></a><span class='hs-comment'>--</span>
<a name="line-109"></a><span class='hs-definition'>drawingAreaNew</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>DrawingArea</span>
<a name="line-110"></a><span class='hs-definition'>drawingAreaNew</span> <span class='hs-keyglyph'>=</span>
<a name="line-111"></a>  <span class='hs-varid'>makeNewObject</span> <span class='hs-varid'>mkDrawingArea</span> <span class='hs-varop'>$</span>
<a name="line-112"></a>  <span class='hs-varid'>liftM</span> <span class='hs-layout'>(</span><span class='hs-varid'>castPtr</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Ptr</span> <span class='hs-conid'>Widget</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Ptr</span> <span class='hs-conid'>DrawingArea</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-113"></a>  <span class='hs-varid'>gtk_drawing_area_new</span>
<a name="line-114"></a><span class='hs-comment'>{-# LINE 106 "./Graphics/UI/Gtk/Misc/DrawingArea.chs" #-}</span>
<a name="line-115"></a>
<a name="line-116"></a><a name="drawingAreaGetDrawWindow"></a><span class='hs-comment'>-- | See 'widgetGetDrawWindow'</span>
<a name="line-117"></a><span class='hs-comment'>--</span>
<a name="line-118"></a><span class='hs-definition'>drawingAreaGetDrawWindow</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>DrawingArea</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>DrawWindow</span>
<a name="line-119"></a><span class='hs-definition'>drawingAreaGetDrawWindow</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>widgetGetDrawWindow</span>
<a name="line-120"></a><span class='hs-comment'>{-# DEPRECATED drawingAreaGetDrawWindow "use widgetGetDrawWindow instead" #-}</span>
<a name="line-121"></a>
<a name="line-122"></a><a name="drawingAreaGetSize"></a><span class='hs-comment'>-- | See 'widgetGetSize'</span>
<a name="line-123"></a><span class='hs-comment'>--</span>
<a name="line-124"></a><span class='hs-definition'>drawingAreaGetSize</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>DrawingArea</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>Int</span><span class='hs-layout'>,</span> <span class='hs-conid'>Int</span><span class='hs-layout'>)</span>
<a name="line-125"></a><span class='hs-definition'>drawingAreaGetSize</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>widgetGetSize</span>
<a name="line-126"></a><span class='hs-comment'>{-# DEPRECATED drawingAreaGetSize "use widgetGetSize instead" #-}</span>
<a name="line-127"></a>
<a name="line-128"></a><span class='hs-keyword'>foreign</span> <span class='hs-keyword'>import</span> <span class='hs-keyword'>ccall</span> <span class='hs-keyword'>unsafe</span> <span class='hs-str'>"gtk_drawing_area_new"</span>
<a name="line-129"></a>  <span class='hs-varid'>gtk_drawing_area_new</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>Ptr</span> <span class='hs-conid'>Widget</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
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