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<pre><a name="line-1"></a>
<a name="line-2"></a><span class='hs-comment'>{-# LINE 2 "./Graphics/UI/Gtk/Abstract/Bin.chs" #-}</span>
<a name="line-3"></a><span class='hs-comment'>-- -*-haskell-*-</span>
<a name="line-4"></a><span class='hs-comment'>-- GIMP Toolkit (GTK) Widget Bin</span>
<a name="line-5"></a><span class='hs-comment'>--</span>
<a name="line-6"></a><span class='hs-comment'>-- Author : Duncan Coutts</span>
<a name="line-7"></a><span class='hs-comment'>--</span>
<a name="line-8"></a><span class='hs-comment'>-- Created: 25 April 2004</span>
<a name="line-9"></a><span class='hs-comment'>--</span>
<a name="line-10"></a><span class='hs-comment'>-- Copyright (C) 2004-2005 Duncan Coutts</span>
<a name="line-11"></a><span class='hs-comment'>--</span>
<a name="line-12"></a><span class='hs-comment'>-- This library is free software; you can redistribute it and/or</span>
<a name="line-13"></a><span class='hs-comment'>-- modify it under the terms of the GNU Lesser General Public</span>
<a name="line-14"></a><span class='hs-comment'>-- License as published by the Free Software Foundation; either</span>
<a name="line-15"></a><span class='hs-comment'>-- version 2.1 of the License, or (at your option) any later version.</span>
<a name="line-16"></a><span class='hs-comment'>--</span>
<a name="line-17"></a><span class='hs-comment'>-- This library is distributed in the hope that it will be useful,</span>
<a name="line-18"></a><span class='hs-comment'>-- but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="line-19"></a><span class='hs-comment'>-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="line-20"></a><span class='hs-comment'>-- Lesser General Public License for more details.</span>
<a name="line-21"></a><span class='hs-comment'>--</span>
<a name="line-22"></a><span class='hs-comment'>-- |</span>
<a name="line-23"></a><span class='hs-comment'>-- Maintainer : gtk2hs-users@lists.sourceforge.net</span>
<a name="line-24"></a><span class='hs-comment'>-- Stability : provisional</span>
<a name="line-25"></a><span class='hs-comment'>-- Portability : portable (depends on GHC)</span>
<a name="line-26"></a><span class='hs-comment'>--</span>
<a name="line-27"></a><span class='hs-comment'>-- A container with just one child</span>
<a name="line-28"></a><span class='hs-comment'>--</span>
<a name="line-29"></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'>Abstract</span><span class='hs-varop'>.</span><span class='hs-conid'>Bin</span> <span class='hs-layout'>(</span>
<a name="line-30"></a><span class='hs-comment'>-- * Detail</span>
<a name="line-31"></a><span class='hs-comment'>--</span>
<a name="line-32"></a><span class='hs-comment'>-- | The 'Bin' widget is a container with just one child. It is not very</span>
<a name="line-33"></a><span class='hs-comment'>-- useful itself, but it is useful for deriving subclasses, since it provides</span>
<a name="line-34"></a><span class='hs-comment'>-- common code needed for handling a single child widget.</span>
<a name="line-35"></a><span class='hs-comment'>--</span>
<a name="line-36"></a><span class='hs-comment'>-- Many Gtk+ widgets are subclasses of 'Bin', including 'Window', 'Button',</span>
<a name="line-37"></a><span class='hs-comment'>-- 'Frame', 'HandleBox', and 'ScrolledWindow'.</span>
<a name="line-38"></a>
<a name="line-39"></a><span class='hs-comment'>-- * Class Hierarchy</span>
<a name="line-40"></a><span class='hs-comment'>-- |</span>
<a name="line-41"></a><span class='hs-comment'>-- @</span>
<a name="line-42"></a><span class='hs-comment'>-- | 'GObject'</span>
<a name="line-43"></a><span class='hs-comment'>-- | +----'Object'</span>
<a name="line-44"></a><span class='hs-comment'>-- | +----'Widget'</span>
<a name="line-45"></a><span class='hs-comment'>-- | +----'Container'</span>
<a name="line-46"></a><span class='hs-comment'>-- | +----Bin</span>
<a name="line-47"></a><span class='hs-comment'>-- | +----'Window'</span>
<a name="line-48"></a><span class='hs-comment'>-- | +----'Alignment'</span>
<a name="line-49"></a><span class='hs-comment'>-- | +----'Frame'</span>
<a name="line-50"></a><span class='hs-comment'>-- | +----'Button'</span>
<a name="line-51"></a><span class='hs-comment'>-- | +----'Item'</span>
<a name="line-52"></a><span class='hs-comment'>-- | +----'ComboBox'</span>
<a name="line-53"></a><span class='hs-comment'>-- | +----'EventBox'</span>
<a name="line-54"></a><span class='hs-comment'>-- | +----'Expander'</span>
<a name="line-55"></a><span class='hs-comment'>-- | +----'HandleBox'</span>
<a name="line-56"></a><span class='hs-comment'>-- | +----'ToolItem'</span>
<a name="line-57"></a><span class='hs-comment'>-- | +----'ScrolledWindow'</span>
<a name="line-58"></a><span class='hs-comment'>-- | +----'Viewport'</span>
<a name="line-59"></a><span class='hs-comment'>-- @</span>
<a name="line-60"></a>
<a name="line-61"></a><span class='hs-comment'>-- * Types</span>
<a name="line-62"></a> <span class='hs-conid'>Bin</span><span class='hs-layout'>,</span>
<a name="line-63"></a> <span class='hs-conid'>BinClass</span><span class='hs-layout'>,</span>
<a name="line-64"></a> <span class='hs-varid'>castToBin</span><span class='hs-layout'>,</span> <span class='hs-varid'>gTypeBin</span><span class='hs-layout'>,</span>
<a name="line-65"></a> <span class='hs-varid'>toBin</span><span class='hs-layout'>,</span>
<a name="line-66"></a>
<a name="line-67"></a><span class='hs-comment'>-- * Methods</span>
<a name="line-68"></a> <span class='hs-varid'>binGetChild</span><span class='hs-layout'>,</span>
<a name="line-69"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-70"></a>
<a name="line-71"></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-72"></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-73"></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-74"></a><span class='hs-comment'>{-# LINE 73 "./Graphics/UI/Gtk/Abstract/Bin.chs" #-}</span>
<a name="line-75"></a>
<a name="line-76"></a>
<a name="line-77"></a><span class='hs-comment'>{-# LINE 75 "./Graphics/UI/Gtk/Abstract/Bin.chs" #-}</span>
<a name="line-78"></a>
<a name="line-79"></a><span class='hs-comment'>--------------------</span>
<a name="line-80"></a><span class='hs-comment'>-- Methods</span>
<a name="line-81"></a>
<a name="line-82"></a><a name="binGetChild"></a><span class='hs-comment'>-- | Gets the child of the 'Bin', or @Nothing@ if the bin contains no child</span>
<a name="line-83"></a><span class='hs-comment'>-- widget.</span>
<a name="line-84"></a><span class='hs-comment'>--</span>
<a name="line-85"></a><span class='hs-definition'>binGetChild</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>BinClass</span> <span class='hs-varid'>self</span> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>self</span>
<a name="line-86"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-conid'>Widget</span><span class='hs-layout'>)</span> <span class='hs-comment'>-- ^ returns pointer to child of the 'Bin'</span>
<a name="line-87"></a><span class='hs-definition'>binGetChild</span> <span class='hs-varid'>self</span> <span class='hs-keyglyph'>=</span>
<a name="line-88"></a> <span class='hs-varid'>maybeNull</span> <span class='hs-layout'>(</span><span class='hs-varid'>makeNewObject</span> <span class='hs-varid'>mkWidget</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-89"></a> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-conid'>Bin</span> <span class='hs-varid'>arg1</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>withForeignPtr</span> <span class='hs-varid'>arg1</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>argPtr1</span> <span class='hs-keyglyph'>-></span><span class='hs-varid'>gtk_bin_get_child</span> <span class='hs-varid'>argPtr1</span><span class='hs-layout'>)</span>
<a name="line-90"></a><span class='hs-comment'>{-# LINE 87 "./Graphics/UI/Gtk/Abstract/Bin.chs" #-}</span>
<a name="line-91"></a> <span class='hs-layout'>(</span><span class='hs-varid'>toBin</span> <span class='hs-varid'>self</span><span class='hs-layout'>)</span>
<a name="line-92"></a>
<a name="line-93"></a><span class='hs-keyword'>foreign</span> <span class='hs-keyword'>import</span> <span class='hs-keyword'>ccall</span> <span class='hs-keyword'>safe</span> <span class='hs-str'>"gtk_bin_get_child"</span>
<a name="line-94"></a> <span class='hs-varid'>gtk_bin_get_child</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-conid'>Ptr</span> <span class='hs-conid'>Bin</span><span class='hs-layout'>)</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><span class='hs-layout'>)</span>
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