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<title>XMonad/Layout/ResizeScreen.hs</title>
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<pre><a name="line-1"></a><span class='hs-comment'>{-# LANGUAGE FlexibleInstances, MultiParamTypeClasses, PatternGuards #-}</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.ResizeScreen</span>
<a name="line-5"></a><span class='hs-comment'>-- Copyright : (c) 2007 Andrea Rossato</span>
<a name="line-6"></a><span class='hs-comment'>-- License : BSD-style (see xmonad/LICENSE)</span>
<a name="line-7"></a><span class='hs-comment'>--</span>
<a name="line-8"></a><span class='hs-comment'>-- Maintainer : andrea.rossato@unibz.it</span>
<a name="line-9"></a><span class='hs-comment'>-- Stability : unstable</span>
<a name="line-10"></a><span class='hs-comment'>-- Portability : unportable</span>
<a name="line-11"></a><span class='hs-comment'>--</span>
<a name="line-12"></a><span class='hs-comment'>-- A layout transformer to have a layout respect a given screen</span>
<a name="line-13"></a><span class='hs-comment'>-- geometry. Mostly used with "Decoration" (the Horizontal and the</span>
<a name="line-14"></a><span class='hs-comment'>-- Vertical version will react to SetTheme and change their dimension</span>
<a name="line-15"></a><span class='hs-comment'>-- accordingly.</span>
<a name="line-16"></a><span class='hs-comment'>-----------------------------------------------------------------------------</span>
<a name="line-17"></a>
<a name="line-18"></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'>ResizeScreen</span>
<a name="line-19"></a> <span class='hs-layout'>(</span> <span class='hs-comment'>-- * Usage:</span>
<a name="line-20"></a> <span class='hs-comment'>-- $usage</span>
<a name="line-21"></a> <span class='hs-varid'>resizeHorizontal</span><span class='hs-layout'>,</span> <span class='hs-varid'>resizeVertical</span>
<a name="line-22"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>resizeHorizontalRight</span><span class='hs-layout'>,</span> <span class='hs-varid'>resizeVerticalBottom</span>
<a name="line-23"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>withNewRectangle</span>
<a name="line-24"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>ResizeScreen</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
<a name="line-25"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-26"></a>
<a name="line-27"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>XMonad</span>
<a name="line-28"></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-29"></a>
<a name="line-30"></a><span class='hs-comment'>-- $usage</span>
<a name="line-31"></a><span class='hs-comment'>-- You can use this module by importing it into your</span>
<a name="line-32"></a><span class='hs-comment'>-- @~\/.xmonad\/xmonad.hs@ file:</span>
<a name="line-33"></a><span class='hs-comment'>--</span>
<a name="line-34"></a><span class='hs-comment'>-- > import XMonad.Layout.ResizeScreen</span>
<a name="line-35"></a><span class='hs-comment'>--</span>
<a name="line-36"></a><span class='hs-comment'>-- and modifying your layoutHook as follows (for example):</span>
<a name="line-37"></a><span class='hs-comment'>--</span>
<a name="line-38"></a><span class='hs-comment'>-- > layoutHook = resizeHorizontal 40 Full</span>
<a name="line-39"></a><span class='hs-comment'>--</span>
<a name="line-40"></a><span class='hs-comment'>-- For more detailed instructions on editing the layoutHook see:</span>
<a name="line-41"></a><span class='hs-comment'>--</span>
<a name="line-42"></a><span class='hs-comment'>-- "XMonad.Doc.Extending#Editing_the_layout_hook"</span>
<a name="line-43"></a>
<a name="line-44"></a><a name="resizeHorizontal"></a><span class='hs-definition'>resizeHorizontal</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span> <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-conid'>ResizeScreen</span> <span class='hs-varid'>l</span> <span class='hs-varid'>a</span>
<a name="line-45"></a><span class='hs-definition'>resizeHorizontal</span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ModifiedLayout</span> <span class='hs-layout'>(</span><span class='hs-conid'>ResizeScreen</span> <span class='hs-conid'>L</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span>
<a name="line-46"></a>
<a name="line-47"></a><a name="resizeVertical"></a><span class='hs-definition'>resizeVertical</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span> <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-conid'>ResizeScreen</span> <span class='hs-varid'>l</span> <span class='hs-varid'>a</span>
<a name="line-48"></a><span class='hs-definition'>resizeVertical</span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ModifiedLayout</span> <span class='hs-layout'>(</span><span class='hs-conid'>ResizeScreen</span> <span class='hs-conid'>T</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span>
<a name="line-49"></a>
<a name="line-50"></a><a name="resizeHorizontalRight"></a><span class='hs-definition'>resizeHorizontalRight</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span> <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-conid'>ResizeScreen</span> <span class='hs-varid'>l</span> <span class='hs-varid'>a</span>
<a name="line-51"></a><span class='hs-definition'>resizeHorizontalRight</span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ModifiedLayout</span> <span class='hs-layout'>(</span><span class='hs-conid'>ResizeScreen</span> <span class='hs-conid'>R</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span>
<a name="line-52"></a>
<a name="line-53"></a><a name="resizeVerticalBottom"></a><span class='hs-definition'>resizeVerticalBottom</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span> <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-conid'>ResizeScreen</span> <span class='hs-varid'>l</span> <span class='hs-varid'>a</span>
<a name="line-54"></a><span class='hs-definition'>resizeVerticalBottom</span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ModifiedLayout</span> <span class='hs-layout'>(</span><span class='hs-conid'>ResizeScreen</span> <span class='hs-conid'>B</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span>
<a name="line-55"></a>
<a name="line-56"></a><a name="withNewRectangle"></a><span class='hs-definition'>withNewRectangle</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Rectangle</span> <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-conid'>ResizeScreen</span> <span class='hs-varid'>l</span> <span class='hs-varid'>a</span>
<a name="line-57"></a><span class='hs-definition'>withNewRectangle</span> <span class='hs-varid'>r</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ModifiedLayout</span> <span class='hs-layout'>(</span><span class='hs-conid'>WithNewScreen</span> <span class='hs-varid'>r</span><span class='hs-layout'>)</span>
<a name="line-58"></a>
<a name="line-59"></a><a name="ResizeScreen"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>ResizeScreen</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ResizeScreen</span> <span class='hs-conid'>ResizeMode</span> <span class='hs-conid'>Int</span>
<a name="line-60"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>WithNewScreen</span> <span class='hs-conid'>Rectangle</span>
<a name="line-61"></a> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span><span class='hs-conid'>Read</span><span class='hs-layout'>,</span> <span class='hs-conid'>Show</span><span class='hs-layout'>)</span>
<a name="line-62"></a>
<a name="line-63"></a><a name="ResizeMode"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>ResizeMode</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>T</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>B</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>L</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>R</span> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span><span class='hs-conid'>Read</span><span class='hs-layout'>,</span> <span class='hs-conid'>Show</span><span class='hs-layout'>)</span>
<a name="line-64"></a>
<a name="line-65"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>LayoutModifier</span> <span class='hs-conid'>ResizeScreen</span> <span class='hs-varid'>a</span> <span class='hs-keyword'>where</span>
<a name="line-66"></a> <span class='hs-varid'>modifyLayout</span> <span class='hs-varid'>m</span> <span class='hs-varid'>ws</span> <span class='hs-varid'>rect</span><span class='hs-keyglyph'>@</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>
<a name="line-67"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ResizeScreen</span> <span class='hs-conid'>L</span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>resize</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Rectangle</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varop'>+</span> <span class='hs-varid'>fi</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-varid'>y</span> <span class='hs-layout'>(</span><span class='hs-varid'>w</span> <span class='hs-comment'>-</span> <span class='hs-varid'>fi</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-varid'>h</span>
<a name="line-68"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ResizeScreen</span> <span class='hs-conid'>R</span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>resize</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Rectangle</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span> <span class='hs-layout'>(</span><span class='hs-varid'>w</span> <span class='hs-comment'>-</span> <span class='hs-varid'>fi</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-varid'>h</span>
<a name="line-69"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ResizeScreen</span> <span class='hs-conid'>T</span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>resize</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Rectangle</span> <span class='hs-varid'>x</span> <span class='hs-layout'>(</span><span class='hs-varid'>y</span> <span class='hs-varop'>+</span> <span class='hs-varid'>fi</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-varid'>w</span> <span class='hs-layout'>(</span><span class='hs-varid'>h</span> <span class='hs-comment'>-</span> <span class='hs-varid'>fi</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span>
<a name="line-70"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ResizeScreen</span> <span class='hs-conid'>B</span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>resize</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Rectangle</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span> <span class='hs-varid'>w</span> <span class='hs-layout'>(</span><span class='hs-varid'>h</span> <span class='hs-comment'>-</span> <span class='hs-varid'>fi</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span>
<a name="line-71"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>WithNewScreen</span> <span class='hs-varid'>r</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>resize</span> <span class='hs-varid'>r</span>
<a name="line-72"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>resize</span> <span class='hs-varid'>rect</span>
<a name="line-73"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>resize</span> <span class='hs-varid'>nr</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>runLayout</span> <span class='hs-varid'>ws</span> <span class='hs-varid'>nr</span>
<a name="line-74"></a>
<a name="line-75"></a> <span class='hs-varid'>pureMess</span> <span class='hs-layout'>(</span><span class='hs-conid'>ResizeScreen</span> <span class='hs-varid'>d</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-varid'>m</span>
<a name="line-76"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-conid'>SetTheme</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>fromMessage</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Just</span> <span class='hs-varop'>$</span> <span class='hs-conid'>ResizeScreen</span> <span class='hs-varid'>d</span> <span class='hs-layout'>(</span><span class='hs-varid'>fi</span> <span class='hs-varop'>$</span> <span class='hs-varid'>decoHeight</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span>
<a name="line-77"></a> <span class='hs-varid'>pureMess</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Nothing</span>
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