dots-of-war/files/.xmonad/lib/Config.hs

{-# Language ScopedTypeVariables, LambdaCase #-}
{-# OPTIONS_GHC -fno-warn-missing-signatures -fno-warn-unused-binds #-}
-- Imports -------------------------------------------------------- {{{

module Config (main) where

import Data.Char (isDigit)
import Data.List (isSuffixOf, isPrefixOf)
import System.Exit (exitSuccess)

import qualified Rofi

import qualified Codec.Binary.UTF8.String as UTF8
import qualified DBus as D
import qualified DBus.Client as D
import qualified Data.Map as M
import qualified Data.Monoid
import qualified System.IO as SysIO

import XMonad.Layout.HintedGrid
import XMonad.Layout.TwoPanePersistent

import XMonad hiding ((|||))
import XMonad.Actions.Commands
import XMonad.Actions.CopyWindow
import XMonad.Actions.Submap
import XMonad.Config.Desktop
import XMonad.Hooks.DynamicLog
import XMonad.Hooks.FadeInactive
import XMonad.Hooks.ManageDocks
import XMonad.Hooks.SetWMName (setWMName)
import XMonad.Layout.BinarySpacePartition
import XMonad.Layout.BorderResize
import XMonad.Layout.Gaps
import XMonad.Layout.LayoutCombinators ((|||))
import XMonad.Layout.LayoutHints
import XMonad.Layout.MouseResizableTile
import XMonad.Layout.NoBorders
import XMonad.Layout.Renamed (renamed, Rename(Replace))
import XMonad.Layout.ResizableTile
import XMonad.Layout.Spacing (spacingRaw, Border(..), toggleWindowSpacingEnabled)
import XMonad.Layout.Spiral (spiral)
import XMonad.Layout.ToggleLayouts
import XMonad.Layout.ZoomRow
import XMonad.Util.EZConfig (additionalKeysP, removeKeysP, checkKeymap)
import XMonad.Util.NamedScratchpad
import XMonad.Util.Run
import XMonad.Util.SpawnOnce (spawnOnce)
import qualified XMonad.Actions.Navigation2D as Nav2d
import qualified XMonad.Hooks.EwmhDesktops as Ewmh
import qualified XMonad.Hooks.ManageHelpers as ManageHelpers
import qualified XMonad.Layout.BoringWindows as BoringWindows
import qualified XMonad.StackSet as W
import qualified XMonad.Util.XSelection as XSel

{-# ANN module "HLint: ignore Redundant $" #-}
{-# ANN module "HLint: ignore Redundant bracket" #-}
{-# ANN module "HLint: ignore Move brackets to avoid $" #-}
{-# ANN module "HLint: ignore Unused LANGUAGE pragma" #-}

-- }}}

-- Values -------------------- {{{

myModMask  = mod4Mask
myLauncher = Rofi.asCommand (def { Rofi.theme = Rofi.bigTheme }) ["-show run"]
myTerminal = "termite"
myBrowser = "qutebrowser"
--myBrowser = "google-chrome-stable"

{-| adds the scripts-directory path to the filename of a script |-}
scriptFile :: String -> String
scriptFile script = "/home/leon/scripts/" ++ script

scratchpads :: [NamedScratchpad]
scratchpads =
  [ NS "terminal" launchTerminal (className =? "scratchpad_term")      (customFloating $ W.RationalRect 0.66 0.7 0.34 0.3)
  , NS "ghci"     launchGHCI     (className =? "scratchpad_ghci")      (customFloating $ W.RationalRect 0.66 0.7 0.34 0.3)
  , NS "spotify"  "spotify"      (appName   =? "spotify")              defaultFloating
  , NS "discord"  "discord"      (appName   =? "discord")              defaultFloating
  , NS "whatsapp" launchWhatsapp (("WhatsApp" `isSuffixOf`) <$> title) defaultFloating
  , NS "slack"    "slack"        (("Slack | " `isPrefixOf`) <$> title) defaultFloating
  ]
    where
      launchTerminal = myTerminal ++ " --class scratchpad_term"
      launchGHCI     = myTerminal ++ " --class scratchpad_ghci stack exec -- ghci"
      launchWhatsapp = "gtk-launch chrome-hnpfjngllnobngcgfapefoaidbinmjnm-Default.desktop"


-- Colors ------ {{{
fg        = "#ebdbb2"
bg        = "#282828"
gray      = "#a89984"
bg1       = "#3c3836"
bg2       = "#504945"
bg3       = "#665c54"
bg4       = "#7c6f64"

green     = "#b8bb26"
darkgreen = "#98971a"
red       = "#fb4934"
darkred   = "#cc241d"
yellow    = "#fabd2f"
blue      = "#83a598"
purple    = "#d3869b"
aqua      = "#8ec07c"
-- }}}

-- }}}

-- Layout ---------------------------------------- {{{
--layoutHints .
myLayout = avoidStruts . BoringWindows.boringWindows . smartBorders . toggleLayouts Full . layoutHintsToCenter $ layouts
  where
    layouts =((rename "Tall"     $ onlySpacing    $ mouseResizableTile         {draggerType = dragger}) -- ResizableTall 1 (3/100) (1/2) []
          ||| (rename "Horizon"  $ onlySpacing    $ mouseResizableTileMirrored {draggerType = dragger}) -- Mirror                           $ ResizableTall 1 (3/100) (3/4) []
          ||| (rename "BSP"      $ spacingAndGaps $ borderResize $ emptyBSP)
          ||| (rename "Row"      $ spacingAndGaps $ zoomRow)
          ||| (rename "grid"     $ spacingAndGaps $ Grid False))
          -- ||| (rename "threeCol" $ spacingAndGaps $ ThreeColMid 1 (3/100) (1/2))
          -- ||| (rename "spiral"   $ spacingAndGaps $ spiral (9/21))
          -- Grid

    rename n = renamed [Replace n]

    gap            = 7
    onlySpacing = gaps [ (dir, (gap*2)) | dir <- [L, R, D, U] ]  -- gaps are included in mouseResizableTile
    dragger        = let x = fromIntegral gap * 2
                     in FixedDragger x x
    spacingAndGaps = let intGap        = fromIntegral gap
                         spacingBorder = Border (intGap) (intGap) (intGap) (intGap)
                         gapBorder     = Border intGap intGap intGap intGap
                     in spacingRaw True spacingBorder True gapBorder True


-- }}}

-- Loghook -------------------------------------- {{{

myLogHook :: X ()
myLogHook = return () -- fadeInactiveLogHook 0.95 -- opacity of unfocused windows

-- }}}

-- Startuphook ----------------------------- {{{

myStartupHook :: X ()
myStartupHook = do
  spawnOnce "picom --config ~/.config/picom.conf --experimental-backends"  --no-fading-openclose"
  spawnOnce "pasystray"
  spawnOnce "nm-applet"
  spawnOnce "xfce4-clipman"
  spawnOnce "mailspring --background"
  spawnOnce "redshift -P -O 5000"
  spawn "xset r rate 300 50" -- make key repeat quicker
  spawn "/home/leon/.config/polybar/launch.sh"
  spawn "feh --bg-fill /home/leon/Bilder/wallpapers/mountains_with_clounds.jpg"
  setWMName "LG3D" -- Java stuff hack

-- }}}

-- Keymap --------------------------------------- {{{

-- Default mappings that need to be removed
removedKeys :: [String]
removedKeys = ["M-S-c", "M-S-q", "M-h", "M-l"]

myKeys :: [(String, X ())]
myKeys = [ ("M-+",      sendMessage zoomIn)
         , ("M--",      sendMessage zoomOut)
         , ("M-#",      sendMessage zoomReset)

         , ("M-f",      toggleFullscreen)

         , ("M-S-C-c",  kill1)
         , ("M-S-C-q",  io exitSuccess)

         -- Binary space partitioning
         , ("M-<Backspace>",    sendMessage Swap)
         , ("M-M1-<Backspace>", sendMessage Rotate)

         -- Media
         , ("<XF86AudioRaiseVolume>", spawn "amixer sset Master 5%+")
         , ("<XF86AudioLowerVolume>", spawn "amixer sset Master 5%-")

         -- programs
         , ("M-p",      spawn myLauncher)
         , ("M-b",      spawn myBrowser)
         , ("M-S-p",    Rofi.showCombi  (def { Rofi.theme = Rofi.bigTheme }) [ "drun", "window", "ssh" ])
         , ("M-S-e",    Rofi.showNormal (def { Rofi.theme = Rofi.bigTheme }) "emoji" )
         , ("M-s",      spawn $ scriptFile "rofi-search.sh")
         , ("M-S-s",    spawn $ scriptFile "rofi-open.sh")
         , ("M-n",      scratchpadSubmap )
         , ("M-m",      mediaSubmap )
         , ("M-e",      Rofi.promptRunCommand def specialCommands)
         , ("M-C-e",    Rofi.promptRunCommand def =<< defaultCommands )
         , ("M-o",      Rofi.promptRunCommand def withSelectionCommands)
         , ("M-S-C-g",  spawn "killall -INT -g giph" >> spawn "notify-send gif 'saved gif in ~/Bilder/gifs'") -- stop gif recording
         ] ++ generatedMappings
  where
    generatedMappings :: [(String, X ())]
    generatedMappings = copyToWorkspaceMappings ++ windowGoMappings ++ windowSwapMappings ++ resizeMappings
        where
          copyToWorkspaceMappings = [ ("M-C-" ++ wsp, windows $ copy wsp) | wsp <- map show [1..9 :: Int] ]

          keyDirPairs = [("h", L), ("j", D), ("k", U), ("l", R)]

          windowGoMappings   = [ ("M-M1-"   ++ key, Nav2d.windowGo   dir False) | (key, dir) <- keyDirPairs ]
          windowSwapMappings = [ ("M-S-M1-" ++ key, Nav2d.windowSwap dir False) | (key, dir) <- keyDirPairs ]
          resizeMappings =
              [ ("M-C-h", ifLayoutIs "BSP" (sendMessage $ ExpandTowards L) (sendMessage Shrink))
              , ("M-C-j", ifLayoutIs "BSP" (sendMessage $ ExpandTowards D) (sendMessage MirrorShrink >> sendMessage ExpandSlave))
              , ("M-C-k", ifLayoutIs "BSP" (sendMessage $ ExpandTowards U) (sendMessage MirrorExpand >> sendMessage ShrinkSlave))
              , ("M-C-l", ifLayoutIs "BSP" (sendMessage $ ExpandTowards R) (sendMessage Expand))
              ]

    toggleFullscreen :: X ()
    toggleFullscreen = do
      sendMessage ToggleLayout                  -- toggle fullscreen layout
      sendMessage ToggleStruts                  -- bar is hidden -> no need to make place for it
      --safeSpawn "polybar-msg" ["cmd", "toggle"] -- toggle polybar visibility


    scratchpadSubmap :: X ()
    scratchpadSubmap = describedSubmap "Scratchpads"
      [ ((myModMask, xK_n), "<M-n> terminal", namedScratchpadAction scratchpads "terminal")
      , ((myModMask, xK_h), "<M-h> ghci",     namedScratchpadAction scratchpads "ghci")
      , ((myModMask, xK_w), "<M-w> whatsapp", namedScratchpadAction scratchpads "whatsapp")
      , ((myModMask, xK_s), "<M-s> slack",    namedScratchpadAction scratchpads "slack")
      , ((myModMask, xK_m), "<M-m> spotify",  namedScratchpadAction scratchpads "spotify")
      , ((myModMask, xK_d), "<M-m> discord",  namedScratchpadAction scratchpads "discord")
      ]

    mediaSubmap :: X ()
    mediaSubmap = describedSubmap "Media"
      [ ((myModMask, xK_m), "<M-m> play/pause",      spawn "playerctl play-pause")
      , ((myModMask, xK_l), "<M-l> next",            spawn "playerctl next")
      , ((myModMask, xK_l), "<M-h> previous",        spawn "playerctl previous")
      , ((myModMask, xK_k), "<M-k> increase volume", spawn "amixer sset Master 5%+")
      , ((myModMask, xK_j), "<M-j> decrease volume", spawn "amixer sset Master 5%-")
      ]

    withSelectionCommands :: [(String, X ())]
    withSelectionCommands =
      [ ("Google",        XSel.transformPromptSelection  ("https://google.com/search?q=" ++) "qutebrowser")
      , ("Hoogle",        XSel.transformPromptSelection  ("https://hoogle.haskell.org/?hoogle=" ++) "qutebrowser")
      , ("Translate",     XSel.transformPromptSelection  ("https://translate.google.com/#view=home&op=translate&sl=auto&tl=en&text=" ++) "qutebrowser")
      ]


    specialCommands :: [(String,  X ())]
    specialCommands =
      [ ("screenshot",              spawn $ scriptFile "screenshot.sh")
      , ("screenshot to file",      spawn $ scriptFile "screenshot.sh --tofile")
      , ("screenshot full to file", spawn $ scriptFile "screenshot.sh --tofile --fullscreen")
      , ("screengif to file",       spawn (scriptFile "screengif.sh") >> spawn "notify-send gif 'stop gif-recording with M-S-C-g'")
      , ("clipboard history",       spawn $ "clipmenu")
      , ("toggleOptimal",           sendMessage ToggleGaps >> toggleWindowSpacingEnabled)
      , ("toggleSpacing",           toggleWindowSpacingEnabled)
      , ("toggleGaps",              sendMessage ToggleGaps)
      , ("Copy to all workspaces",  windows copyToAll)           -- windows: Modify the current window list with a pure function, and refresh
      , ("Kill all other copies",   killAllOtherCopies)
      , ("toggle polybar",          safeSpawn "polybar-msg" ["cmd", "toggle"])
      ]


    describedSubmap :: String -> [((KeyMask, KeySym), String, X ())] -> X ()
    describedSubmap submapTitle mappings = promptDzenWhileRunning submapTitle descriptions mySubmap
      where
        mySubmap     = submap $ M.fromList $ map (\(k, _, f) -> (k, f)) mappings
        descriptions = map (\(_,x,_) -> x) mappings

-- }}}

-- ManageHook -------------------------------{{{

myManageHook :: Query (Data.Monoid.Endo WindowSet)
myManageHook = composeAll
  [ resource =? "Dialog" --> ManageHelpers.doCenterFloat
  , appName =? "pavucontrol" --> ManageHelpers.doCenterFloat
  , className =? "mpv" --> ManageHelpers.doRectFloat (W.RationalRect 0.9 0.9 0.1 0.1)
  , title =? "Something" --> doFloat
  -- , isFullscreen --> doF W.focusDown <+> doFullFloat
  , manageDocks
  , namedScratchpadManageHook scratchpads
  ]

-- }}}

-- Main ------------------------------------ {{{
main :: IO ()
main = do
  dbus <- D.connectSession
  -- Request access to the DBus name
  _ <- D.requestName dbus (D.busName_ "org.xmonad.Log")
      [D.nameAllowReplacement, D.nameReplaceExisting, D.nameDoNotQueue]

-- $ ewmh  (kills IntelliJ)
  xmonad
    $ Ewmh.ewmh
    $ Nav2d.withNavigation2DConfig def { Nav2d.defaultTiledNavigation = Nav2d.sideNavigation }
    $ myConfig dbus

myConfig dbus = desktopConfig
      { terminal           = myTerminal
      , modMask            = myModMask
      , borderWidth        = 2
      , layoutHook         = myLayout
      , logHook            = myLogHook <+> dynamicLogWithPP (polybarPP dbus) <+> logHook def
      , startupHook        = myStartupHook <+> startupHook def <+> return () >> checkKeymap (myConfig dbus ) myKeys
      , manageHook         = myManageHook <+> manageHook def
      , focusedBorderColor = aqua
      , normalBorderColor  = "#282828"
      --, handleEventHook = minimizeEventHook <+> handleEventHook def <+> hintsEventHook -- <+> Ewmh.fullscreenEventHook
      } `removeKeysP` removedKeys `additionalKeysP` myKeys



-- }}}

-- POLYBAR Kram -------------------------------------- {{{


polybarPP :: D.Client -> PP
polybarPP dbus = namedScratchpadFilterOutWorkspacePP $ def
  { ppOutput  = dbusOutput dbus
  , ppCurrent = withBG bg2
  , ppVisible = withBG bg2
  , ppUrgent  = withFG red
  , ppLayout  = removeWord "Minimize" . removeWord "Hinted" . removeWord "Spacing" . withFG purple
  , ppHidden  = wrap " " " " . unwords . map wrapOpenWorkspaceCmd . words
  , ppWsSep   = ""
  , ppSep     = " | "
  , ppExtras  = []
  , ppTitle   = const "" -- withFG aqua . (shorten 40)
  }
    where
      removeWord substr = unwords . filter (/= substr) . words
      withBG col = wrap ("%{B" ++ col ++ "} ") " %{B-}"
      withFG col = wrap ("%{F" ++ col ++ "} ") " %{F-}"
      wrapOpenWorkspaceCmd wsp
        | all isDigit wsp = wrapOnClickCmd ("xdotool key super+" ++ wsp) wsp
        | otherwise = wsp
      wrapOnClickCmd command = wrap ("%{A1:" ++ command ++ ":}") "%{A}"

-- Emit a DBus signal on log updates
dbusOutput :: D.Client -> String -> IO ()
dbusOutput dbus str = do
    let signal = (D.signal objectPath interfaceName memberName) {
            D.signalBody = [D.toVariant $ UTF8.decodeString str]
        }
    D.emit dbus signal
  where
    objectPath = D.objectPath_ "/org/xmonad/Log"
    interfaceName = D.interfaceName_ "org.xmonad.Log"
    memberName = D.memberName_ "Update"

-- }}}

-- Utilities --------------------------------------------------- {{{
promptDzenWhileRunning :: String -> [String] -> X () -> X ()
promptDzenWhileRunning promptTitle options action = do
  handle <- spawnPipe $ "sleep 1 && dzen2 -e onstart=uncollapse -l " ++ lineCount ++ " -fn '" ++ font ++ "'"
  io $ SysIO.hPutStrLn handle (promptTitle ++ unlines options)
  _ <- action
  io $ SysIO.hClose handle
  where
    lineCount = show $ length options
    font      = "-*-iosevka-medium-r-s*--16-87-*-*-*-*-iso10???-1"

ifLayoutIs :: String -> X a -> X a -> X a
ifLayoutIs layoutAName onLayoutA onLayoutB = do
  layout <- getActiveLayoutDescription
  if (layout == layoutAName) then onLayoutA else onLayoutB

-- Get the name of the active layout.
getActiveLayoutDescription :: X String
getActiveLayoutDescription = (description . W.layout . W.workspace . W.current) <$> gets windowset

-- }}}