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<title>src/HSFM/GUI/Gtk/Plugins.hs</title>
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<pre><a name="line-1"></a><span class='hs-comment'>{--
<a name="line-2"></a>HSFM, a filemanager written in Haskell.
<a name="line-3"></a>Copyright (C) 2016 Julian Ospald
<a name="line-4"></a>
<a name="line-5"></a>This program is free software; you can redistribute it and/or
<a name="line-6"></a>modify it under the terms of the GNU General Public License
<a name="line-7"></a>version 2 as published by the Free Software Foundation.
<a name="line-8"></a>
<a name="line-9"></a>This program is distributed in the hope that it will be useful,
<a name="line-10"></a>but WITHOUT ANY WARRANTY; without even the implied warranty of
<a name="line-11"></a>MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
<a name="line-12"></a>GNU General Public License for more details.
<a name="line-13"></a>
<a name="line-14"></a>You should have received a copy of the GNU General Public License
<a name="line-15"></a>along with this program; if not, write to the Free Software
<a name="line-16"></a>Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
<a name="line-17"></a>--}</span>
<a name="line-18"></a>
<a name="line-19"></a>
<a name="line-20"></a><span class='hs-comment'>{-# OPTIONS_HADDOCK ignore-exports #-}</span>
<a name="line-21"></a>
<a name="line-22"></a>
<a name="line-23"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>HSFM</span><span class='hs-varop'>.</span><span class='hs-conid'>GUI</span><span class='hs-varop'>.</span><span class='hs-conid'>Gtk</span><span class='hs-varop'>.</span><span class='hs-conid'>Plugins</span> <span class='hs-keyword'>where</span>
<a name="line-24"></a>
<a name="line-25"></a>
<a name="line-26"></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>
<a name="line-27"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>HPath</span>
<a name="line-28"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>HSFM</span><span class='hs-varop'>.</span><span class='hs-conid'>FileSystem</span><span class='hs-varop'>.</span><span class='hs-conid'>FileType</span>
<a name="line-29"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>HSFM</span><span class='hs-varop'>.</span><span class='hs-conid'>GUI</span><span class='hs-varop'>.</span><span class='hs-conid'>Gtk</span><span class='hs-varop'>.</span><span class='hs-conid'>Data</span>
<a name="line-30"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>HSFM</span><span class='hs-varop'>.</span><span class='hs-conid'>GUI</span><span class='hs-varop'>.</span><span class='hs-conid'>Gtk</span><span class='hs-varop'>.</span><span class='hs-conid'>Settings</span>
<a name="line-31"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>HSFM</span><span class='hs-varop'>.</span><span class='hs-conid'>GUI</span><span class='hs-varop'>.</span><span class='hs-conid'>Gtk</span><span class='hs-varop'>.</span><span class='hs-conid'>Utils</span>
<a name="line-32"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>HSFM</span><span class='hs-varop'>.</span><span class='hs-conid'>Settings</span>
<a name="line-33"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span>
<a name="line-34"></a> <span class='hs-layout'>(</span>
<a name="line-35"></a> <span class='hs-varid'>forM</span>
<a name="line-36"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>forM_</span>
<a name="line-37"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>void</span>
<a name="line-38"></a> <span class='hs-layout'>)</span>
<a name="line-39"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Posix</span><span class='hs-varop'>.</span><span class='hs-conid'>Process</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span>
<a name="line-40"></a> <span class='hs-layout'>(</span>
<a name="line-41"></a> <span class='hs-varid'>executeFile</span>
<a name="line-42"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>forkProcess</span>
<a name="line-43"></a> <span class='hs-layout'>)</span>
<a name="line-44"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span><span class='hs-varop'>.</span><span class='hs-conid'>UTF8</span>
<a name="line-45"></a> <span class='hs-layout'>(</span>
<a name="line-46"></a> <span class='hs-varid'>fromString</span>
<a name="line-47"></a> <span class='hs-layout'>)</span>
<a name="line-48"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>BS</span>
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<a name="line-50"></a>
<a name="line-51"></a>
<a name="line-52"></a>
<a name="line-53"></a>
<a name="line-54"></a> <span class='hs-comment'>---------------</span>
<a name="line-55"></a> <span class='hs-comment'>--[ Plugins ]--</span>
<a name="line-56"></a> <span class='hs-comment'>---------------</span>
<a name="line-57"></a>
<a name="line-58"></a>
<a name="line-59"></a>
<a name="line-60"></a>
<a name="line-61"></a><span class='hs-comment'>---- Global settings ----</span>
<a name="line-62"></a>
<a name="line-63"></a>
<a name="line-64"></a>
<a name="line-65"></a><a name="insertPos"></a><span class='hs-comment'>-- |Where to start inserting plugins.</span>
<a name="line-66"></a><span class='hs-definition'>insertPos</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span>
<a name="line-67"></a><span class='hs-definition'>insertPos</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>4</span>
<a name="line-68"></a>
<a name="line-69"></a>
<a name="line-70"></a><a name="myplugins"></a><span class='hs-comment'>-- |A list of plugins to add to the right-click menu at position</span>
<a name="line-71"></a><span class='hs-comment'>-- `insertPos`.</span>
<a name="line-72"></a><span class='hs-comment'>--</span>
<a name="line-73"></a><span class='hs-comment'>-- The left part of the triple is a function that returns the menuitem.</span>
<a name="line-74"></a><span class='hs-comment'>-- The middle part of the triple is a filter function that</span>
<a name="line-75"></a><span class='hs-comment'>-- decides whether the item is shown.</span>
<a name="line-76"></a><span class='hs-comment'>-- The right part of the triple is the callback, which is invoked</span>
<a name="line-77"></a><span class='hs-comment'>-- when the menu item is clicked.</span>
<a name="line-78"></a><span class='hs-comment'>--</span>
<a name="line-79"></a><span class='hs-comment'>-- Plugins are added in order of this list.</span>
<a name="line-80"></a><span class='hs-definition'>myplugins</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>IO</span> <span class='hs-conid'>MenuItem</span>
<a name="line-81"></a> <span class='hs-layout'>,</span><span class='hs-keyglyph'>[</span><span class='hs-conid'>Item</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>MyGUI</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>MyView</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>Bool</span>
<a name="line-82"></a> <span class='hs-layout'>,</span><span class='hs-keyglyph'>[</span><span class='hs-conid'>Item</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>MyGUI</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>MyView</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span>
<a name="line-83"></a> <span class='hs-keyglyph'>]</span>
<a name="line-84"></a><span class='hs-definition'>myplugins</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-varid'>diffItem</span><span class='hs-layout'>,</span> <span class='hs-varid'>diffFilter</span><span class='hs-layout'>,</span> <span class='hs-varid'>diffCallback</span><span class='hs-layout'>)</span>
<a name="line-85"></a> <span class='hs-keyglyph'>]</span>
<a name="line-86"></a>
<a name="line-87"></a>
<a name="line-88"></a>
<a name="line-89"></a>
<a name="line-90"></a>
<a name="line-91"></a><span class='hs-comment'>---- The plugins ----</span>
<a name="line-92"></a>
<a name="line-93"></a>
<a name="line-94"></a>
<a name="line-95"></a><a name="diffItem"></a><span class='hs-definition'>diffItem</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>MenuItem</span>
<a name="line-96"></a><span class='hs-definition'>diffItem</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>menuItemNewWithLabel</span> <span class='hs-str'>"diff"</span>
<a name="line-97"></a>
<a name="line-98"></a><a name="diffFilter"></a><span class='hs-definition'>diffFilter</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Item</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>MyGUI</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>MyView</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>Bool</span>
<a name="line-99"></a><span class='hs-definition'>diffFilter</span> <span class='hs-varid'>items</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span>
<a name="line-100"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>length</span> <span class='hs-varid'>items</span> <span class='hs-varop'>></span> <span class='hs-num'>1</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>and</span> <span class='hs-varop'>$</span> <span class='hs-varid'>fmap</span> <span class='hs-varid'>isFileC</span> <span class='hs-varid'>items</span>
<a name="line-101"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>False</span>
<a name="line-102"></a>
<a name="line-103"></a><a name="diffCallback"></a><span class='hs-definition'>diffCallback</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Item</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>MyGUI</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>MyView</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-104"></a><span class='hs-definition'>diffCallback</span> <span class='hs-varid'>items</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>void</span> <span class='hs-varop'>$</span>
<a name="line-105"></a> <span class='hs-varid'>forkProcess</span> <span class='hs-varop'>$</span>
<a name="line-106"></a> <span class='hs-varid'>executeFile</span>
<a name="line-107"></a> <span class='hs-layout'>(</span><span class='hs-varid'>fromString</span> <span class='hs-str'>"meld"</span><span class='hs-layout'>)</span>
<a name="line-108"></a> <span class='hs-conid'>True</span>
<a name="line-109"></a> <span class='hs-layout'>(</span><span class='hs-keyglyph'>[</span><span class='hs-varid'>fromString</span> <span class='hs-str'>"--diff"</span><span class='hs-keyglyph'>]</span> <span class='hs-varop'>++</span> <span class='hs-varid'>fmap</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromAbs</span> <span class='hs-varop'>.</span> <span class='hs-varid'>path</span><span class='hs-layout'>)</span> <span class='hs-varid'>items</span><span class='hs-layout'>)</span>
<a name="line-110"></a> <span class='hs-conid'>Nothing</span>
<a name="line-111"></a>
</pre></body>
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