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70 lines
2.5 KiB
Haskell
70 lines
2.5 KiB
Haskell
-------------------------------------------------------------------------------
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-- |
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-- Module : XMonad.Util.ClickableWorkspaces
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-- Copyright : (c) Geoff deRosenroll <geoffderosenroll@gmail.com>
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-- License : BSD3-style (see LICENSE)
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--
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-- Maintainer : Geoff deRosenroll <geoffderosenroll@gmail.com>
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-- Stability : unstable
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-- Portability : unportable
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--
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-- Provides @clickablePP@, which when applied to the 'PP' pretty-printer used
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-- by "XMonad.Hooks.StatusBar" will make the workspace tags clickable in
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-- XMobar (for switching focus).
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--
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-----------------------------------------------------------------------------
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module XMonad.Util.ClickableWorkspaces (
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-- * Usage
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-- $usage
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clickablePP,
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clickableWrap,
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) where
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import Control.Monad ((>=>))
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import Data.Functor ((<&>))
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import XMonad
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import XMonad.Hooks.StatusBar.PP (xmobarAction, PP(..))
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import XMonad.Util.WorkspaceCompare (getWsIndex)
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import qualified XMonad.StackSet as W
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-- $usage
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-- If you're using the "XMonad.Hooks.StatusBar" interface, apply 'clickablePP'
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-- to the 'PP' passed to 'XMonad.Hooks.StatusBar.statusBarProp':
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--
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-- > mySB <- statusBarProp "xmobar" (clickablePP xmobarPP)
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--
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-- Or if you're using the old "XMonad.Hooks.DynamicLog" interface:
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--
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-- > logHook = clickablePP xmobarPP { ... } >>= dynamicLogWithPP
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--
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-- Requirements:
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--
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-- * @xdotool@ on system (in path)
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-- * "XMonad.Hooks.EwmhDesktops" for @xdotool@ support (see Hackage docs for setup)
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-- * use of UnsafeStdinReader/UnsafeXMonadLog in xmobarrc (rather than StdinReader/XMonadLog)
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--
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-- Note that UnsafeStdinReader is potentially dangerous if your workspace
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-- names are dynamically generated from untrusted input (like window titles).
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-- You may need to add @xmobarRaw@ to 'ppRename' before applying
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-- 'clickablePP' in such case.
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-- | Wrap string with an xmobar action that uses @xdotool@ to switch to
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-- workspace @i@.
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clickableWrap :: Int -> String -> String
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clickableWrap i ws = xmobarAction ("xdotool set_desktop " ++ show i) "1" ws
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-- | Return a function that wraps workspace names in an xmobar action that
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-- switches to that workspace.
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--
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-- This assumes that 'XMonad.Hooks.EwmhDesktops.ewmhDesktopsEventHook'
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-- isn't configured to change the workspace order. We might need to add an
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-- additional parameter if anyone needs that.
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getClickable :: X (String -> WindowSpace -> String)
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getClickable = getWsIndex <&> \idx s w -> maybe id clickableWrap (idx (W.tag w)) s
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-- | Apply clickable wrapping to the given PP.
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clickablePP :: PP -> X PP
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clickablePP pp = getClickable <&> \ren -> pp{ ppRename = ppRename pp >=> ren }
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