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<title>Graphics/Gloss/Internals/Interface/ViewPort/Command.hs</title>
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<pre><a name="line-1"></a><span class='hs-comment'>{-# OPTIONS_HADDOCK hide #-}</span>
<a name="line-2"></a><span class='hs-comment'>{-# OPTIONS -fno-warn-missing-signatures #-}</span>
<a name="line-3"></a><span class='hs-comment'>{-# LANGUAGE PatternGuards #-}</span>
<a name="line-4"></a>
<a name="line-5"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Gloss</span><span class='hs-varop'>.</span><span class='hs-conid'>Internals</span><span class='hs-varop'>.</span><span class='hs-conid'>Interface</span><span class='hs-varop'>.</span><span class='hs-conid'>ViewPort</span><span class='hs-varop'>.</span><span class='hs-conid'>Command</span>
<a name="line-6"></a> <span class='hs-layout'>(</span> <span class='hs-conid'>Command</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
<a name="line-7"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>defaultCommandConfig</span>
<a name="line-8"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>isCommand</span> <span class='hs-layout'>)</span>
<a name="line-9"></a><span class='hs-keyword'>where</span>
<a name="line-10"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Gloss</span><span class='hs-varop'>.</span><span class='hs-conid'>Internals</span><span class='hs-varop'>.</span><span class='hs-conid'>Interface</span><span class='hs-varop'>.</span><span class='hs-conid'>Backend</span>
<a name="line-11"></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'>Map</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>Map</span>
<a name="line-12"></a>
<a name="line-13"></a><a name="Command"></a><span class='hs-comment'>-- | The commands suported by the view controller</span>
<a name="line-14"></a><a name="Command"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Command</span>
<a name="line-15"></a> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>CRestore</span>
<a name="line-16"></a>
<a name="line-17"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>CTranslate</span>
<a name="line-18"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>CRotate</span>
<a name="line-19"></a>
<a name="line-20"></a> <span class='hs-comment'>-- bump zoom</span>
<a name="line-21"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>CBumpZoomOut</span>
<a name="line-22"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>CBumpZoomIn</span>
<a name="line-23"></a>
<a name="line-24"></a> <span class='hs-comment'>-- bump translate</span>
<a name="line-25"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>CBumpLeft</span>
<a name="line-26"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>CBumpRight</span>
<a name="line-27"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>CBumpUp</span>
<a name="line-28"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>CBumpDown</span>
<a name="line-29"></a>
<a name="line-30"></a> <span class='hs-comment'>-- bump rotate</span>
<a name="line-31"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>CBumpClockwise</span>
<a name="line-32"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>CBumpCClockwise</span>
<a name="line-33"></a> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span><span class='hs-conid'>Show</span><span class='hs-layout'>,</span> <span class='hs-conid'>Eq</span><span class='hs-layout'>,</span> <span class='hs-conid'>Ord</span><span class='hs-layout'>)</span>
<a name="line-34"></a>
<a name="line-35"></a>
<a name="line-36"></a><a name="defaultCommandConfig"></a><span class='hs-comment'>-- | The default commands</span>
<a name="line-37"></a><span class='hs-definition'>defaultCommandConfig</span>
<a name="line-38"></a> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span> <span class='hs-layout'>(</span><span class='hs-conid'>CRestore</span><span class='hs-layout'>,</span>
<a name="line-39"></a> <span class='hs-keyglyph'>[</span> <span class='hs-layout'>(</span><span class='hs-conid'>Char</span> <span class='hs-chr'>'r'</span><span class='hs-layout'>,</span> <span class='hs-conid'>Nothing</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-40"></a>
<a name="line-41"></a> <span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-conid'>CTranslate</span><span class='hs-layout'>,</span>
<a name="line-42"></a> <span class='hs-keyglyph'>[</span> <span class='hs-layout'>(</span> <span class='hs-conid'>MouseButton</span> <span class='hs-conid'>LeftButton</span>
<a name="line-43"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-conid'>Modifiers</span> <span class='hs-layout'>{</span> <span class='hs-varid'>shift</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Up</span><span class='hs-layout'>,</span> <span class='hs-varid'>ctrl</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Up</span><span class='hs-layout'>,</span> <span class='hs-varid'>alt</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Up</span> <span class='hs-layout'>}</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-44"></a> <span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-45"></a>
<a name="line-46"></a> <span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-conid'>CRotate</span><span class='hs-layout'>,</span>
<a name="line-47"></a> <span class='hs-keyglyph'>[</span> <span class='hs-layout'>(</span> <span class='hs-conid'>MouseButton</span> <span class='hs-conid'>RightButton</span>
<a name="line-48"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>Nothing</span><span class='hs-layout'>)</span>
<a name="line-49"></a> <span class='hs-layout'>,</span> <span class='hs-layout'>(</span> <span class='hs-conid'>MouseButton</span> <span class='hs-conid'>LeftButton</span>
<a name="line-50"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-conid'>Modifiers</span> <span class='hs-layout'>{</span> <span class='hs-varid'>shift</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Up</span><span class='hs-layout'>,</span> <span class='hs-varid'>ctrl</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Down</span><span class='hs-layout'>,</span> <span class='hs-varid'>alt</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Up</span> <span class='hs-layout'>}</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-51"></a> <span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-52"></a>
<a name="line-53"></a> <span class='hs-comment'>-- bump zoom</span>
<a name="line-54"></a> <span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-conid'>CBumpZoomOut</span><span class='hs-layout'>,</span>
<a name="line-55"></a> <span class='hs-keyglyph'>[</span> <span class='hs-layout'>(</span><span class='hs-conid'>MouseButton</span> <span class='hs-conid'>WheelDown</span><span class='hs-layout'>,</span> <span class='hs-conid'>Nothing</span><span class='hs-layout'>)</span>
<a name="line-56"></a> <span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-conid'>SpecialKey</span> <span class='hs-conid'>KeyPageDown</span><span class='hs-layout'>,</span> <span class='hs-conid'>Nothing</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-57"></a>
<a name="line-58"></a> <span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-conid'>CBumpZoomIn</span><span class='hs-layout'>,</span>
<a name="line-59"></a> <span class='hs-keyglyph'>[</span> <span class='hs-layout'>(</span><span class='hs-conid'>MouseButton</span> <span class='hs-conid'>WheelUp</span><span class='hs-layout'>,</span> <span class='hs-conid'>Nothing</span><span class='hs-layout'>)</span>
<a name="line-60"></a> <span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-conid'>SpecialKey</span> <span class='hs-conid'>KeyPageUp</span><span class='hs-layout'>,</span> <span class='hs-conid'>Nothing</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span> <span class='hs-layout'>)</span>
<a name="line-61"></a>
<a name="line-62"></a> <span class='hs-comment'>-- bump translate</span>
<a name="line-63"></a> <span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-conid'>CBumpLeft</span><span class='hs-layout'>,</span>
<a name="line-64"></a> <span class='hs-keyglyph'>[</span> <span class='hs-layout'>(</span><span class='hs-conid'>SpecialKey</span> <span class='hs-conid'>KeyLeft</span><span class='hs-layout'>,</span> <span class='hs-conid'>Nothing</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-65"></a>
<a name="line-66"></a> <span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-conid'>CBumpRight</span><span class='hs-layout'>,</span>
<a name="line-67"></a> <span class='hs-keyglyph'>[</span> <span class='hs-layout'>(</span><span class='hs-conid'>SpecialKey</span> <span class='hs-conid'>KeyRight</span><span class='hs-layout'>,</span> <span class='hs-conid'>Nothing</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-68"></a>
<a name="line-69"></a> <span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-conid'>CBumpUp</span><span class='hs-layout'>,</span>
<a name="line-70"></a> <span class='hs-keyglyph'>[</span> <span class='hs-layout'>(</span><span class='hs-conid'>SpecialKey</span> <span class='hs-conid'>KeyUp</span><span class='hs-layout'>,</span> <span class='hs-conid'>Nothing</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-71"></a>
<a name="line-72"></a> <span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-conid'>CBumpDown</span><span class='hs-layout'>,</span>
<a name="line-73"></a> <span class='hs-keyglyph'>[</span> <span class='hs-layout'>(</span><span class='hs-conid'>SpecialKey</span> <span class='hs-conid'>KeyDown</span><span class='hs-layout'>,</span> <span class='hs-conid'>Nothing</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-74"></a>
<a name="line-75"></a> <span class='hs-comment'>-- bump rotate</span>
<a name="line-76"></a> <span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-conid'>CBumpClockwise</span><span class='hs-layout'>,</span>
<a name="line-77"></a> <span class='hs-keyglyph'>[</span> <span class='hs-layout'>(</span><span class='hs-conid'>SpecialKey</span> <span class='hs-conid'>KeyHome</span><span class='hs-layout'>,</span> <span class='hs-conid'>Nothing</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-78"></a>
<a name="line-79"></a> <span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-conid'>CBumpCClockwise</span><span class='hs-layout'>,</span>
<a name="line-80"></a> <span class='hs-keyglyph'>[</span> <span class='hs-layout'>(</span><span class='hs-conid'>SpecialKey</span> <span class='hs-conid'>KeyEnd</span><span class='hs-layout'>,</span> <span class='hs-conid'>Nothing</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-81"></a>
<a name="line-82"></a> <span class='hs-keyglyph'>]</span>
<a name="line-83"></a>
<a name="line-84"></a>
<a name="line-85"></a><a name="isCommand"></a><span class='hs-definition'>isCommand</span> <span class='hs-varid'>commands</span> <span class='hs-varid'>c</span> <span class='hs-varid'>key</span> <span class='hs-varid'>keyMods</span>
<a name="line-86"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Just</span> <span class='hs-varid'>csMatch</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>Map</span><span class='hs-varop'>.</span><span class='hs-varid'>lookup</span> <span class='hs-varid'>c</span> <span class='hs-varid'>commands</span>
<a name="line-87"></a> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>or</span> <span class='hs-varop'>$</span> <span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-varid'>isCommand2</span> <span class='hs-varid'>c</span> <span class='hs-varid'>key</span> <span class='hs-varid'>keyMods</span><span class='hs-layout'>)</span> <span class='hs-varid'>csMatch</span>
<a name="line-88"></a>
<a name="line-89"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span>
<a name="line-90"></a> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-91"></a>
<a name="line-92"></a><a name="isCommand2"></a><span class='hs-definition'>isCommand2</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>key</span> <span class='hs-varid'>keyMods</span> <span class='hs-varid'>cMatch</span>
<a name="line-93"></a> <span class='hs-keyglyph'>|</span> <span class='hs-layout'>(</span><span class='hs-varid'>keyC</span><span class='hs-layout'>,</span> <span class='hs-varid'>mModsC</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>cMatch</span>
<a name="line-94"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>keyC</span> <span class='hs-varop'>==</span> <span class='hs-varid'>key</span>
<a name="line-95"></a> <span class='hs-layout'>,</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>mModsC</span> <span class='hs-keyword'>of</span>
<a name="line-96"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>True</span>
<a name="line-97"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>modsC</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>modsC</span> <span class='hs-varop'>==</span> <span class='hs-varid'>keyMods</span>
<a name="line-98"></a> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span>
<a name="line-99"></a>
<a name="line-100"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span>
<a name="line-101"></a> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
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