<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html> <head> <!-- Generated by HsColour, http://code.haskell.org/~malcolm/hscolour/ --> <title>XMonad/Util/XUtils.hs</title> <link type='text/css' rel='stylesheet' href='hscolour.css' /> </head> <body> <pre><a name="line-1"></a><span class='hs-comment'>-----------------------------------------------------------------------------</span> <a name="line-2"></a><span class='hs-comment'>-- |</span> <a name="line-3"></a><span class='hs-comment'>-- Module : XMonad.Util.XUtils</span> <a name="line-4"></a><span class='hs-comment'>-- Copyright : (c) 2007 Andrea Rossato</span> <a name="line-5"></a><span class='hs-comment'>-- License : BSD-style (see xmonad/LICENSE)</span> <a name="line-6"></a><span class='hs-comment'>--</span> <a name="line-7"></a><span class='hs-comment'>-- Maintainer : andrea.rossato@unibz.it</span> <a name="line-8"></a><span class='hs-comment'>-- Stability : unstable</span> <a name="line-9"></a><span class='hs-comment'>-- Portability : unportable</span> <a name="line-10"></a><span class='hs-comment'>--</span> <a name="line-11"></a><span class='hs-comment'>-- A module for painting on the screen</span> <a name="line-12"></a><span class='hs-comment'>--</span> <a name="line-13"></a><span class='hs-comment'>-----------------------------------------------------------------------------</span> <a name="line-14"></a> <a name="line-15"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>XMonad</span><span class='hs-varop'>.</span><span class='hs-conid'>Util</span><span class='hs-varop'>.</span><span class='hs-conid'>XUtils</span> <a name="line-16"></a> <span class='hs-layout'>(</span> <span class='hs-comment'>-- * Usage:</span> <a name="line-17"></a> <span class='hs-comment'>-- $usage</span> <a name="line-18"></a> <span class='hs-varid'>averagePixels</span> <a name="line-19"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>createNewWindow</span> <a name="line-20"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>showWindow</span> <a name="line-21"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>showWindows</span> <a name="line-22"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>hideWindow</span> <a name="line-23"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>hideWindows</span> <a name="line-24"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>deleteWindow</span> <a name="line-25"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>deleteWindows</span> <a name="line-26"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>paintWindow</span> <a name="line-27"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>paintAndWrite</span> <a name="line-28"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>stringToPixel</span> <a name="line-29"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>fi</span> <a name="line-30"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span> <a name="line-31"></a> <a name="line-32"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Maybe</span> <a name="line-33"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>XMonad</span> <a name="line-34"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>XMonad</span><span class='hs-varop'>.</span><span class='hs-conid'>Util</span><span class='hs-varop'>.</span><span class='hs-conid'>Font</span> <a name="line-35"></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-36"></a> <a name="line-37"></a><span class='hs-comment'>-- $usage</span> <a name="line-38"></a><span class='hs-comment'>-- See "XMonad.Layout.Tabbed" or "XMonad.Layout.DragPane" for usage</span> <a name="line-39"></a><span class='hs-comment'>-- examples</span> <a name="line-40"></a> <a name="line-41"></a><a name="averagePixels"></a><span class='hs-comment'>-- | Compute the weighted average the colors of two given Pixel values.</span> <a name="line-42"></a><span class='hs-definition'>averagePixels</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Pixel</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Pixel</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Double</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-conid'>Pixel</span> <a name="line-43"></a><span class='hs-definition'>averagePixels</span> <span class='hs-varid'>p1</span> <span class='hs-varid'>p2</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <a name="line-44"></a> <span class='hs-keyword'>do</span> <span class='hs-varid'>d</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>asks</span> <span class='hs-varid'>display</span> <a name="line-45"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>cm</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>defaultColormap</span> <span class='hs-varid'>d</span> <span class='hs-layout'>(</span><span class='hs-varid'>defaultScreen</span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span> <a name="line-46"></a> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Color</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>r1</span> <span class='hs-varid'>g1</span> <span class='hs-varid'>b1</span> <span class='hs-keyword'>_</span><span class='hs-layout'>,</span><span class='hs-conid'>Color</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>r2</span> <span class='hs-varid'>g2</span> <span class='hs-varid'>b2</span> <span class='hs-keyword'>_</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>queryColors</span> <span class='hs-varid'>d</span> <span class='hs-varid'>cm</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Color</span> <span class='hs-varid'>p1</span> <span class='hs-num'>0</span> <span class='hs-num'>0</span> <span class='hs-num'>0</span> <span class='hs-num'>0</span><span class='hs-layout'>,</span><span class='hs-conid'>Color</span> <span class='hs-varid'>p2</span> <span class='hs-num'>0</span> <span class='hs-num'>0</span> <span class='hs-num'>0</span> <span class='hs-num'>0</span><span class='hs-keyglyph'>]</span> <a name="line-47"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>mn</span> <span class='hs-varid'>x1</span> <span class='hs-varid'>x2</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>round</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>x1</span> <span class='hs-varop'>*</span> <span class='hs-varid'>f</span> <span class='hs-varop'>+</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>x2</span> <span class='hs-varop'>*</span> <span class='hs-layout'>(</span><span class='hs-num'>1</span><span class='hs-comment'>-</span><span class='hs-varid'>f</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <a name="line-48"></a> <span class='hs-conid'>Color</span> <span class='hs-varid'>p</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>allocColor</span> <span class='hs-varid'>d</span> <span class='hs-varid'>cm</span> <span class='hs-layout'>(</span><span class='hs-conid'>Color</span> <span class='hs-num'>0</span> <span class='hs-layout'>(</span><span class='hs-varid'>mn</span> <span class='hs-varid'>r1</span> <span class='hs-varid'>r2</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>mn</span> <span class='hs-varid'>g1</span> <span class='hs-varid'>g2</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>mn</span> <span class='hs-varid'>b1</span> <span class='hs-varid'>b2</span><span class='hs-layout'>)</span> <span class='hs-num'>0</span><span class='hs-layout'>)</span> <a name="line-49"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>p</span> <a name="line-50"></a> <a name="line-51"></a><a name="createNewWindow"></a><span class='hs-comment'>-- | Create a simple window given a rectangle. If Nothing is given</span> <a name="line-52"></a><span class='hs-comment'>-- only the exposureMask will be set, otherwise the Just value.</span> <a name="line-53"></a><span class='hs-comment'>-- Use 'showWindow' to map and hideWindow to unmap.</span> <a name="line-54"></a><span class='hs-definition'>createNewWindow</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Rectangle</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>EventMask</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-conid'>Window</span> <a name="line-55"></a><span class='hs-definition'>createNewWindow</span> <span class='hs-layout'>(</span><span class='hs-conid'>Rectangle</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span> <span class='hs-varid'>w</span> <span class='hs-varid'>h</span><span class='hs-layout'>)</span> <span class='hs-varid'>m</span> <span class='hs-varid'>col</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <a name="line-56"></a> <span class='hs-varid'>d</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>asks</span> <span class='hs-varid'>display</span> <a name="line-57"></a> <span class='hs-varid'>rw</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>asks</span> <span class='hs-varid'>theRoot</span> <a name="line-58"></a> <span class='hs-varid'>c</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>stringToPixel</span> <span class='hs-varid'>d</span> <span class='hs-varid'>col</span> <a name="line-59"></a> <span class='hs-varid'>win</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>mkWindow</span> <span class='hs-varid'>d</span> <span class='hs-layout'>(</span><span class='hs-varid'>defaultScreenOfDisplay</span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span> <span class='hs-varid'>rw</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span> <span class='hs-varid'>w</span> <span class='hs-varid'>h</span> <span class='hs-varid'>c</span> <span class='hs-varid'>o</span> <a name="line-60"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>m</span> <span class='hs-keyword'>of</span> <a name="line-61"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>em</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>selectInput</span> <span class='hs-varid'>d</span> <span class='hs-varid'>win</span> <span class='hs-varid'>em</span> <a name="line-62"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>selectInput</span> <span class='hs-varid'>d</span> <span class='hs-varid'>win</span> <span class='hs-varid'>exposureMask</span> <a name="line-63"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>win</span> <a name="line-64"></a> <a name="line-65"></a><a name="showWindow"></a><span class='hs-comment'>-- | Map a window</span> <a name="line-66"></a><span class='hs-definition'>showWindow</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Window</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-conid'>()</span> <a name="line-67"></a><span class='hs-definition'>showWindow</span> <span class='hs-varid'>w</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <a name="line-68"></a> <span class='hs-varid'>d</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>asks</span> <span class='hs-varid'>display</span> <a name="line-69"></a> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>mapWindow</span> <span class='hs-varid'>d</span> <span class='hs-varid'>w</span> <a name="line-70"></a> <a name="line-71"></a><a name="showWindows"></a><span class='hs-comment'>-- | the list version</span> <a name="line-72"></a><span class='hs-definition'>showWindows</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Window</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-conid'>()</span> <a name="line-73"></a><span class='hs-definition'>showWindows</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mapM_</span> <span class='hs-varid'>showWindow</span> <a name="line-74"></a> <a name="line-75"></a><a name="hideWindow"></a><span class='hs-comment'>-- | unmap a window</span> <a name="line-76"></a><span class='hs-definition'>hideWindow</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Window</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-conid'>()</span> <a name="line-77"></a><span class='hs-definition'>hideWindow</span> <span class='hs-varid'>w</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <a name="line-78"></a> <span class='hs-varid'>d</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>asks</span> <span class='hs-varid'>display</span> <a name="line-79"></a> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>unmapWindow</span> <span class='hs-varid'>d</span> <span class='hs-varid'>w</span> <a name="line-80"></a> <a name="line-81"></a><a name="hideWindows"></a><span class='hs-comment'>-- | the list version</span> <a name="line-82"></a><span class='hs-definition'>hideWindows</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Window</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-conid'>()</span> <a name="line-83"></a><span class='hs-definition'>hideWindows</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mapM_</span> <span class='hs-varid'>hideWindow</span> <a name="line-84"></a> <a name="line-85"></a><a name="deleteWindow"></a><span class='hs-comment'>-- | destroy a window</span> <a name="line-86"></a><span class='hs-definition'>deleteWindow</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Window</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-conid'>()</span> <a name="line-87"></a><span class='hs-definition'>deleteWindow</span> <span class='hs-varid'>w</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <a name="line-88"></a> <span class='hs-varid'>d</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>asks</span> <span class='hs-varid'>display</span> <a name="line-89"></a> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>destroyWindow</span> <span class='hs-varid'>d</span> <span class='hs-varid'>w</span> <a name="line-90"></a> <a name="line-91"></a><a name="deleteWindows"></a><span class='hs-comment'>-- | the list version</span> <a name="line-92"></a><span class='hs-definition'>deleteWindows</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Window</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-conid'>()</span> <a name="line-93"></a><span class='hs-definition'>deleteWindows</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mapM_</span> <span class='hs-varid'>deleteWindow</span> <a name="line-94"></a> <a name="line-95"></a><a name="paintWindow"></a><span class='hs-comment'>-- | Fill a window with a rectangle and a border</span> <a name="line-96"></a><span class='hs-definition'>paintWindow</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Window</span> <span class='hs-comment'>-- ^ The window where to draw</span> <a name="line-97"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Dimension</span> <span class='hs-comment'>-- ^ Window width</span> <a name="line-98"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Dimension</span> <span class='hs-comment'>-- ^ Window height</span> <a name="line-99"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Dimension</span> <span class='hs-comment'>-- ^ Border width</span> <a name="line-100"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-comment'>-- ^ Window background color</span> <a name="line-101"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-comment'>-- ^ Border color</span> <a name="line-102"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-conid'>()</span> <a name="line-103"></a><span class='hs-definition'>paintWindow</span> <span class='hs-varid'>w</span> <span class='hs-varid'>wh</span> <span class='hs-varid'>ht</span> <span class='hs-varid'>bw</span> <span class='hs-varid'>c</span> <span class='hs-varid'>bc</span> <span class='hs-keyglyph'>=</span> <a name="line-104"></a> <span class='hs-varid'>paintWindow'</span> <span class='hs-varid'>w</span> <span class='hs-layout'>(</span><span class='hs-conid'>Rectangle</span> <span class='hs-num'>0</span> <span class='hs-num'>0</span> <span class='hs-varid'>wh</span> <span class='hs-varid'>ht</span><span class='hs-layout'>)</span> <span class='hs-varid'>bw</span> <span class='hs-varid'>c</span> <span class='hs-varid'>bc</span> <span class='hs-conid'>Nothing</span> <a name="line-105"></a> <a name="line-106"></a><a name="paintAndWrite"></a><span class='hs-comment'>-- | Fill a window with a rectangle and a border, and write a string at given position</span> <a name="line-107"></a><span class='hs-definition'>paintAndWrite</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Window</span> <span class='hs-comment'>-- ^ The window where to draw</span> <a name="line-108"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>XMonadFont</span> <span class='hs-comment'>-- ^ XMonad Font for drawing</span> <a name="line-109"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Dimension</span> <span class='hs-comment'>-- ^ Window width</span> <a name="line-110"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Dimension</span> <span class='hs-comment'>-- ^ Window height</span> <a name="line-111"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Dimension</span> <span class='hs-comment'>-- ^ Border width</span> <a name="line-112"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-comment'>-- ^ Window background color</span> <a name="line-113"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-comment'>-- ^ Border color</span> <a name="line-114"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-comment'>-- ^ String color</span> <a name="line-115"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-comment'>-- ^ String background color</span> <a name="line-116"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Align</span> <span class='hs-comment'>-- ^ String 'Align'ment</span> <a name="line-117"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-comment'>-- ^ String to be printed</span> <a name="line-118"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-conid'>()</span> <a name="line-119"></a><span class='hs-definition'>paintAndWrite</span> <span class='hs-varid'>w</span> <span class='hs-varid'>fs</span> <span class='hs-varid'>wh</span> <span class='hs-varid'>ht</span> <span class='hs-varid'>bw</span> <span class='hs-varid'>bc</span> <span class='hs-varid'>borc</span> <span class='hs-varid'>ffc</span> <span class='hs-varid'>fbc</span> <span class='hs-varid'>al</span> <span class='hs-varid'>str</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <a name="line-120"></a> <span class='hs-varid'>d</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>asks</span> <span class='hs-varid'>display</span> <a name="line-121"></a> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-layout'>,</span><span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>stringPosition</span> <span class='hs-varid'>d</span> <span class='hs-varid'>fs</span> <span class='hs-layout'>(</span><span class='hs-conid'>Rectangle</span> <span class='hs-num'>0</span> <span class='hs-num'>0</span> <span class='hs-varid'>wh</span> <span class='hs-varid'>ht</span><span class='hs-layout'>)</span> <span class='hs-varid'>al</span> <span class='hs-varid'>str</span> <a name="line-122"></a> <span class='hs-varid'>paintWindow'</span> <span class='hs-varid'>w</span> <span class='hs-layout'>(</span><span class='hs-conid'>Rectangle</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span> <span class='hs-varid'>wh</span> <span class='hs-varid'>ht</span><span class='hs-layout'>)</span> <span class='hs-varid'>bw</span> <span class='hs-varid'>bc</span> <span class='hs-varid'>borc</span> <span class='hs-varid'>ms</span> <a name="line-123"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>ms</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>fs</span><span class='hs-layout'>,</span><span class='hs-varid'>ffc</span><span class='hs-layout'>,</span><span class='hs-varid'>fbc</span><span class='hs-layout'>,</span><span class='hs-varid'>str</span><span class='hs-layout'>)</span> <a name="line-124"></a> <a name="line-125"></a><span class='hs-comment'>-- This stuff is not exported</span> <a name="line-126"></a> <a name="line-127"></a><a name="paintWindow'"></a><span class='hs-definition'>paintWindow'</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Window</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Rectangle</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Dimension</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-conid'>XMonadFont</span><span class='hs-layout'>,</span><span class='hs-conid'>String</span><span class='hs-layout'>,</span><span class='hs-conid'>String</span><span class='hs-layout'>,</span><span class='hs-conid'>String</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-conid'>()</span> <a name="line-128"></a><span class='hs-definition'>paintWindow'</span> <span class='hs-varid'>win</span> <span class='hs-layout'>(</span><span class='hs-conid'>Rectangle</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span> <span class='hs-varid'>wh</span> <span class='hs-varid'>ht</span><span class='hs-layout'>)</span> <span class='hs-varid'>bw</span> <span class='hs-varid'>color</span> <span class='hs-varid'>b_color</span> <span class='hs-varid'>str</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <a name="line-129"></a> <span class='hs-varid'>d</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>asks</span> <span class='hs-varid'>display</span> <a name="line-130"></a> <span class='hs-varid'>p</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>createPixmap</span> <span class='hs-varid'>d</span> <span class='hs-varid'>win</span> <span class='hs-varid'>wh</span> <span class='hs-varid'>ht</span> <span class='hs-layout'>(</span><span class='hs-varid'>defaultDepthOfScreen</span> <span class='hs-varop'>$</span> <span class='hs-varid'>defaultScreenOfDisplay</span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span> <a name="line-131"></a> <span class='hs-varid'>gc</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>createGC</span> <span class='hs-varid'>d</span> <span class='hs-varid'>p</span> <a name="line-132"></a> <span class='hs-comment'>-- draw</span> <a name="line-133"></a> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>setGraphicsExposures</span> <span class='hs-varid'>d</span> <span class='hs-varid'>gc</span> <span class='hs-conid'>False</span> <a name="line-134"></a> <span class='hs-keyglyph'>[</span><span class='hs-varid'>color'</span><span class='hs-layout'>,</span><span class='hs-varid'>b_color'</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>mapM</span> <span class='hs-layout'>(</span><span class='hs-varid'>stringToPixel</span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>color</span><span class='hs-layout'>,</span><span class='hs-varid'>b_color</span><span class='hs-keyglyph'>]</span> <a name="line-135"></a> <span class='hs-comment'>-- we start with the border</span> <a name="line-136"></a> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>setForeground</span> <span class='hs-varid'>d</span> <span class='hs-varid'>gc</span> <span class='hs-varid'>b_color'</span> <a name="line-137"></a> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>fillRectangle</span> <span class='hs-varid'>d</span> <span class='hs-varid'>p</span> <span class='hs-varid'>gc</span> <span class='hs-num'>0</span> <span class='hs-num'>0</span> <span class='hs-varid'>wh</span> <span class='hs-varid'>ht</span> <a name="line-138"></a> <span class='hs-comment'>-- and now again</span> <a name="line-139"></a> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>setForeground</span> <span class='hs-varid'>d</span> <span class='hs-varid'>gc</span> <span class='hs-varid'>color'</span> <a name="line-140"></a> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>fillRectangle</span> <span class='hs-varid'>d</span> <span class='hs-varid'>p</span> <span class='hs-varid'>gc</span> <span class='hs-layout'>(</span><span class='hs-varid'>fi</span> <span class='hs-varid'>bw</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>fi</span> <span class='hs-varid'>bw</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>wh</span> <span class='hs-comment'>-</span> <span class='hs-layout'>(</span><span class='hs-varid'>bw</span> <span class='hs-varop'>*</span> <span class='hs-num'>2</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>ht</span> <span class='hs-comment'>-</span> <span class='hs-layout'>(</span><span class='hs-varid'>bw</span> <span class='hs-varop'>*</span> <span class='hs-num'>2</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <a name="line-141"></a> <span class='hs-varid'>when</span> <span class='hs-layout'>(</span><span class='hs-varid'>isJust</span> <span class='hs-varid'>str</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span> <a name="line-142"></a> <span class='hs-keyword'>let</span> <span class='hs-layout'>(</span><span class='hs-varid'>xmf</span><span class='hs-layout'>,</span><span class='hs-varid'>fc</span><span class='hs-layout'>,</span><span class='hs-varid'>bc</span><span class='hs-layout'>,</span><span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromJust</span> <span class='hs-varid'>str</span> <a name="line-143"></a> <span class='hs-varid'>printStringXMF</span> <span class='hs-varid'>d</span> <span class='hs-varid'>p</span> <span class='hs-varid'>xmf</span> <span class='hs-varid'>gc</span> <span class='hs-varid'>fc</span> <span class='hs-varid'>bc</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span> <span class='hs-varid'>s</span> <a name="line-144"></a> <span class='hs-comment'>-- copy the pixmap over the window</span> <a name="line-145"></a> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>copyArea</span> <span class='hs-varid'>d</span> <span class='hs-varid'>p</span> <span class='hs-varid'>win</span> <span class='hs-varid'>gc</span> <span class='hs-num'>0</span> <span class='hs-num'>0</span> <span class='hs-varid'>wh</span> <span class='hs-varid'>ht</span> <span class='hs-num'>0</span> <span class='hs-num'>0</span> <a name="line-146"></a> <span class='hs-comment'>-- free the pixmap and GC</span> <a name="line-147"></a> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>freePixmap</span> <span class='hs-varid'>d</span> <span class='hs-varid'>p</span> <a name="line-148"></a> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>freeGC</span> <span class='hs-varid'>d</span> <span class='hs-varid'>gc</span> <a name="line-149"></a> <a name="line-150"></a><a name="mkWindow"></a><span class='hs-comment'>-- | Creates a window with the possibility of setting some attributes.</span> <a name="line-151"></a><span class='hs-comment'>-- Not exported.</span> <a name="line-152"></a><span class='hs-definition'>mkWindow</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Display</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Screen</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Window</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Position</span> <a name="line-153"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Position</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Dimension</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Dimension</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Pixel</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>Window</span> <a name="line-154"></a><span class='hs-definition'>mkWindow</span> <span class='hs-varid'>d</span> <span class='hs-varid'>s</span> <span class='hs-varid'>rw</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span> <span class='hs-varid'>w</span> <span class='hs-varid'>h</span> <span class='hs-varid'>p</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <a name="line-155"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>visual</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>defaultVisualOfScreen</span> <span class='hs-varid'>s</span> <a name="line-156"></a> <span class='hs-varid'>attrmask</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>cWOverrideRedirect</span> <span class='hs-varop'>.|.</span> <span class='hs-varid'>cWBackPixel</span> <span class='hs-varop'>.|.</span> <span class='hs-varid'>cWBorderPixel</span> <a name="line-157"></a> <span class='hs-varid'>allocaSetWindowAttributes</span> <span class='hs-varop'>$</span> <a name="line-158"></a> <span class='hs-keyglyph'>\</span><span class='hs-varid'>attributes</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span> <a name="line-159"></a> <span class='hs-varid'>set_override_redirect</span> <span class='hs-varid'>attributes</span> <span class='hs-varid'>o</span> <a name="line-160"></a> <span class='hs-varid'>set_border_pixel</span> <span class='hs-varid'>attributes</span> <span class='hs-varid'>p</span> <a name="line-161"></a> <span class='hs-varid'>set_background_pixel</span> <span class='hs-varid'>attributes</span> <span class='hs-varid'>p</span> <a name="line-162"></a> <span class='hs-varid'>createWindow</span> <span class='hs-varid'>d</span> <span class='hs-varid'>rw</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span> <span class='hs-varid'>w</span> <span class='hs-varid'>h</span> <span class='hs-num'>0</span> <span class='hs-layout'>(</span><span class='hs-varid'>defaultDepthOfScreen</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <a name="line-163"></a> <span class='hs-varid'>inputOutput</span> <span class='hs-varid'>visual</span> <span class='hs-varid'>attrmask</span> <span class='hs-varid'>attributes</span> <a name="line-164"></a> <a name="line-165"></a><a name="fi"></a><span class='hs-comment'>-- | Short-hand for 'fromIntegral'</span> <a name="line-166"></a><span class='hs-definition'>fi</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Integral</span> <span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-conid'>Num</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>b</span> <a name="line-167"></a><span class='hs-definition'>fi</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromIntegral</span> </pre></body> </html>
