<?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/Actions/ConstrainedResize.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.Actions.ConstrainedResize</span> <a name="line-4"></a><span class='hs-comment'>-- Copyright : (c) Dougal Stanton</span> <a name="line-5"></a><span class='hs-comment'>-- License : BSD3-style (see LICENSE)</span> <a name="line-6"></a><span class='hs-comment'>--</span> <a name="line-7"></a><span class='hs-comment'>-- Maintainer : <dougal@dougalstanton.net></span> <a name="line-8"></a><span class='hs-comment'>-- Stability : stable</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'>-- Lets you constrain the aspect ratio of a floating</span> <a name="line-12"></a><span class='hs-comment'>-- window (by, say, holding shift while you resize).</span> <a name="line-13"></a><span class='hs-comment'>--</span> <a name="line-14"></a><span class='hs-comment'>-- Useful for making a nice circular XClock window.</span> <a name="line-15"></a><span class='hs-comment'>--</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'>Actions</span><span class='hs-varop'>.</span><span class='hs-conid'>ConstrainedResize</span> <span class='hs-layout'>(</span> <a name="line-19"></a> <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-conid'>XMonad</span><span class='hs-varop'>.</span><span class='hs-conid'>Actions</span><span class='hs-varop'>.</span><span class='hs-conid'>ConstrainedResize</span><span class='hs-varop'>.</span><span class='hs-varid'>mouseResizeWindow</span> <a name="line-22"></a><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span> <a name="line-23"></a> <a name="line-24"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>XMonad</span> <a name="line-25"></a> <a name="line-26"></a><span class='hs-comment'>-- $usage</span> <a name="line-27"></a><span class='hs-comment'>--</span> <a name="line-28"></a><span class='hs-comment'>-- You can use this module with the following in your @~\/.xmonad\/xmonad.hs@:</span> <a name="line-29"></a><span class='hs-comment'>--</span> <a name="line-30"></a><span class='hs-comment'>-- > import qualified XMonad.Actions.ConstrainedResize as Sqr</span> <a name="line-31"></a><span class='hs-comment'>--</span> <a name="line-32"></a><span class='hs-comment'>-- Then add something like the following to your mouse bindings:</span> <a name="line-33"></a><span class='hs-comment'>--</span> <a name="line-34"></a><span class='hs-comment'>-- > , ((modm, button3), (\w -> focus w >> Sqr.mouseResizeWindow w False))</span> <a name="line-35"></a><span class='hs-comment'>-- > , ((modm .|. shiftMask, button3), (\w -> focus w >> Sqr.mouseResizeWindow w True ))</span> <a name="line-36"></a><span class='hs-comment'>--</span> <a name="line-37"></a><span class='hs-comment'>-- The line without the shiftMask replaces the standard mouse resize</span> <a name="line-38"></a><span class='hs-comment'>-- function call, so it's not completely necessary but seems neater</span> <a name="line-39"></a><span class='hs-comment'>-- this way.</span> <a name="line-40"></a><span class='hs-comment'>--</span> <a name="line-41"></a><span class='hs-comment'>-- For detailed instructions on editing your mouse bindings, see</span> <a name="line-42"></a><span class='hs-comment'>-- "XMonad.Doc.Extending#Editing_mouse_bindings".</span> <a name="line-43"></a> <a name="line-44"></a><a name="mouseResizeWindow"></a><span class='hs-comment'>-- | Resize (floating) window with optional aspect ratio constraints.</span> <a name="line-45"></a><span class='hs-definition'>mouseResizeWindow</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Window</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'>()</span> <a name="line-46"></a><span class='hs-definition'>mouseResizeWindow</span> <span class='hs-varid'>w</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>whenX</span> <span class='hs-layout'>(</span><span class='hs-varid'>isClient</span> <span class='hs-varid'>w</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>withDisplay</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>d</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span> <a name="line-47"></a> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>raiseWindow</span> <span class='hs-varid'>d</span> <span class='hs-varid'>w</span> <a name="line-48"></a> <span class='hs-varid'>wa</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>getWindowAttributes</span> <span class='hs-varid'>d</span> <span class='hs-varid'>w</span> <a name="line-49"></a> <span class='hs-varid'>sh</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>getWMNormalHints</span> <span class='hs-varid'>d</span> <span class='hs-varid'>w</span> <a name="line-50"></a> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>warpPointer</span> <span class='hs-varid'>d</span> <span class='hs-varid'>none</span> <span class='hs-varid'>w</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-varid'>fromIntegral</span> <span class='hs-layout'>(</span><span class='hs-varid'>wa_width</span> <span class='hs-varid'>wa</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-layout'>(</span><span class='hs-varid'>wa_height</span> <span class='hs-varid'>wa</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <a name="line-51"></a> <span class='hs-varid'>mouseDrag</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>ex</span> <span class='hs-varid'>ey</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span> <a name="line-52"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>ex</span> <span class='hs-comment'>-</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-layout'>(</span><span class='hs-varid'>wa_x</span> <span class='hs-varid'>wa</span><span class='hs-layout'>)</span> <a name="line-53"></a> <span class='hs-varid'>y</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>ey</span> <span class='hs-comment'>-</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-layout'>(</span><span class='hs-varid'>wa_y</span> <span class='hs-varid'>wa</span><span class='hs-layout'>)</span> <a name="line-54"></a> <span class='hs-varid'>sz</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>c</span> <span class='hs-keyword'>then</span> <span class='hs-layout'>(</span><span class='hs-varid'>max</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>,</span> <span class='hs-varid'>max</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyword'>else</span> <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> <a name="line-55"></a> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>resizeWindow</span> <span class='hs-varid'>d</span> <span class='hs-varid'>w</span> <span class='hs-varop'>`uncurry`</span> <a name="line-56"></a> <span class='hs-varid'>applySizeHintsContents</span> <span class='hs-varid'>sh</span> <span class='hs-varid'>sz</span><span class='hs-layout'>)</span> <a name="line-57"></a> <span class='hs-layout'>(</span><span class='hs-varid'>float</span> <span class='hs-varid'>w</span><span class='hs-layout'>)</span> </pre></body> </html>
