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<title>XMonad/Layout/ButtonDecoration.hs</title>
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<pre><a name="line-1"></a><span class='hs-comment'>{-# LANGUAGE FlexibleInstances, MultiParamTypeClasses #-}</span>
<a name="line-2"></a><span class='hs-comment'>----------------------------------------------------------------------------</span>
<a name="line-3"></a><span class='hs-comment'>-- |</span>
<a name="line-4"></a><span class='hs-comment'>-- Module : XMonad.Layout.ButtonDecoration</span>
<a name="line-5"></a><span class='hs-comment'>-- Copyright : (c) Jan Vornberger 2009</span>
<a name="line-6"></a><span class='hs-comment'>-- License : BSD3-style (see LICENSE)</span>
<a name="line-7"></a><span class='hs-comment'>--</span>
<a name="line-8"></a><span class='hs-comment'>-- Maintainer : jan.vornberger@informatik.uni-oldenburg.de</span>
<a name="line-9"></a><span class='hs-comment'>-- Stability : unstable</span>
<a name="line-10"></a><span class='hs-comment'>-- Portability : not portable</span>
<a name="line-11"></a><span class='hs-comment'>--</span>
<a name="line-12"></a><span class='hs-comment'>-- A decoration that includes small buttons on both ends which invoke</span>
<a name="line-13"></a><span class='hs-comment'>-- various actions when clicked on: Show a window menu (see</span>
<a name="line-14"></a><span class='hs-comment'>-- "XMonad.Actions.WindowMenu"), minimize, maximize or close the window.</span>
<a name="line-15"></a><span class='hs-comment'>--</span>
<a name="line-16"></a><span class='hs-comment'>-- Note: For maximizing and minimizing to actually work, you will need</span>
<a name="line-17"></a><span class='hs-comment'>-- to integrate "XMonad.Layout.Maximize" and "XMonad.Layout.Minimize" into your</span>
<a name="line-18"></a><span class='hs-comment'>-- setup. See the documentation of those modules for more information.</span>
<a name="line-19"></a><span class='hs-comment'>--</span>
<a name="line-20"></a><span class='hs-comment'>-----------------------------------------------------------------------------</span>
<a name="line-21"></a>
<a name="line-22"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>XMonad</span><span class='hs-varop'>.</span><span class='hs-conid'>Layout</span><span class='hs-varop'>.</span><span class='hs-conid'>ButtonDecoration</span>
<a name="line-23"></a> <span class='hs-layout'>(</span> <span class='hs-comment'>-- * Usage:</span>
<a name="line-24"></a> <span class='hs-comment'>-- $usage</span>
<a name="line-25"></a> <span class='hs-varid'>buttonDeco</span><span class='hs-layout'>,</span>
<a name="line-26"></a> <span class='hs-conid'>ButtonDecoration</span><span class='hs-layout'>,</span>
<a name="line-27"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-28"></a>
<a name="line-29"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>XMonad</span>
<a name="line-30"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>XMonad</span><span class='hs-varop'>.</span><span class='hs-conid'>Layout</span><span class='hs-varop'>.</span><span class='hs-conid'>Decoration</span>
<a name="line-31"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>XMonad</span><span class='hs-varop'>.</span><span class='hs-conid'>Layout</span><span class='hs-varop'>.</span><span class='hs-conid'>DecorationAddons</span>
<a name="line-32"></a>
<a name="line-33"></a><span class='hs-comment'>-- $usage</span>
<a name="line-34"></a><span class='hs-comment'>-- You can use this module with the following in your</span>
<a name="line-35"></a><span class='hs-comment'>-- @~\/.xmonad\/xmonad.hs@:</span>
<a name="line-36"></a><span class='hs-comment'>--</span>
<a name="line-37"></a><span class='hs-comment'>-- > import XMonad.Layout.DecorationAddons</span>
<a name="line-38"></a><span class='hs-comment'>-- > import XMonad.Layout.ButtonDecoration</span>
<a name="line-39"></a><span class='hs-comment'>--</span>
<a name="line-40"></a><span class='hs-comment'>-- Then edit your @layoutHook@ by adding the ButtonDecoration to</span>
<a name="line-41"></a><span class='hs-comment'>-- your layout:</span>
<a name="line-42"></a><span class='hs-comment'>--</span>
<a name="line-43"></a><span class='hs-comment'>-- > myL = buttonDeco shrinkText defaultThemeWithButtons (layoutHook defaultConfig)</span>
<a name="line-44"></a><span class='hs-comment'>-- > main = xmonad defaultConfig { layoutHook = myL }</span>
<a name="line-45"></a><span class='hs-comment'>--</span>
<a name="line-46"></a>
<a name="line-47"></a><a name="buttonDeco"></a><span class='hs-definition'>buttonDeco</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Eq</span> <span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-conid'>Shrinker</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Theme</span>
<a name="line-48"></a> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>l</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ModifiedLayout</span> <span class='hs-layout'>(</span><span class='hs-conid'>Decoration</span> <span class='hs-conid'>ButtonDecoration</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-varid'>l</span> <span class='hs-varid'>a</span>
<a name="line-49"></a><span class='hs-definition'>buttonDeco</span> <span class='hs-varid'>s</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>decoration</span> <span class='hs-varid'>s</span> <span class='hs-varid'>c</span> <span class='hs-varop'>$</span> <span class='hs-conid'>NFD</span> <span class='hs-conid'>True</span>
<a name="line-50"></a>
<a name="line-51"></a><a name="ButtonDecoration"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>ButtonDecoration</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>NFD</span> <span class='hs-conid'>Bool</span> <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'>Read</span><span class='hs-layout'>)</span>
<a name="line-52"></a>
<a name="line-53"></a><a name="instance%20DecorationStyle%20ButtonDecoration%20a"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Eq</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>DecorationStyle</span> <span class='hs-conid'>ButtonDecoration</span> <span class='hs-varid'>a</span> <span class='hs-keyword'>where</span>
<a name="line-54"></a> <span class='hs-varid'>describeDeco</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"ButtonDeco"</span>
<a name="line-55"></a> <span class='hs-varid'>decorationCatchClicksHook</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>mainw</span> <span class='hs-varid'>dFL</span> <span class='hs-varid'>dFR</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>titleBarButtonHandler</span> <span class='hs-varid'>mainw</span> <span class='hs-varid'>dFL</span> <span class='hs-varid'>dFR</span>
<a name="line-56"></a> <span class='hs-varid'>decorationAfterDraggingHook</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>(</span><span class='hs-varid'>mainw</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-varid'>decoWin</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>focus</span> <span class='hs-varid'>mainw</span> <span class='hs-varop'>>></span> <span class='hs-varid'>handleScreenCrossing</span> <span class='hs-varid'>mainw</span> <span class='hs-varid'>decoWin</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
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