xmonad.hs

import XMonad hiding ( (|||) )

import XMonad.Hooks.EwmhDesktops
import XMonad.Hooks.DynamicLog
import XMonad.Actions.CycleWS
import XMonad.Util.Ungrab
import XMonad.Util.EZConfig

-- Layout
import XMonad.Layout.IndependentScreens
import XMonad.Layout.LayoutCombinators
import XMonad.Layout (Tall)

import Data.Monoid (mempty)
import System.Exit

import qualified XMonad.StackSet as W
import qualified Data.Map        as M

myTerminal = "xfce4-terminal"
myModMask = mod4Mask -- Super
myBorderWidth = 3

-- Default workspaces
-- Tagging: ["a", "b", "c"] ++ map show [4..9]
--myWorkspaces = ["1", "2", "3", "4", "5", "6", "7", "8", "9"]

myKeys conf@(XConfig {XMonad.modMask = modm}) = M.fromList $
 -- workspaces
  [((m .|. modm, k), windows $ onCurrentScreen f i)
        | (i, k) <- zip (workspaces' conf) [xK_1 .. xK_9]
        , (f, m) <- [(W.greedyView, 0), (W.shift, shiftMask)]]

-- Mouse bindings
myMouseBindings (XConfig {XMonad.modMask = modm}) = M.fromList $
  [
    -- mod+button1 - set to floating mode, and move by dragging
    ((modm, button1), \w -> focus w >> mouseMoveWindow w
                                    >> windows W.shiftMaster)
    -- mod+button3 - set to floating mode, resize by dragging
  , ((modm, button3), \w -> focus w >> mouseResizeWindow w
                                    >> windows W.shiftMaster)
  ]

-- Layouts
-- More info: https://wiki.haskell.org/Xmonad/Config_archive/Template_xmonad.hs_(0.9)
myLayout = Tall 1 (3/100) (1/2) ||| Full ||| Full

-- Window rules
myManageHook = composeAll
  [ className =? "Krita"          --> doFloat
  , className =? "Nemo"           --> doFloat
  , resource  =? "desktop_window" --> doIgnore ]

-- Event handling
--
-- Defines a custom handler function for X Events. The function should
-- return (All True) if the default handler is to be run afterwards. To
-- combine event hooks use mappend or mconcat from Data.Monoid.
myEventHook = mempty

-- Status bars and logging
myLogHook = return ()

myStartupHook = return ()

myConfig = def
    { terminal = myTerminal
    , workspaces = withScreens 2 ["1", "2", "3", "4", "5", "6","7","8","9"]
    , modMask  = myModMask
    , borderWidth = myBorderWidth
    -- key bindings
    , keys = myKeys
    , mouseBindings = myMouseBindings
    -- hooks and layouts
    , layoutHook = myLayout
    , handleEventHook = myEventHook
    , logHook = myLogHook
    , startupHook = myStartupHook
    }
    `additionalKeysP`
    [ ("M-<Return>", spawn "xfce4-terminal")
    , ("M-r",        spawn "rofi -show drun -show-icons")
    , ("M-p",        unGrab *> spawn "maim -s -u | xclip -selection clipboard -t image/png -i")

    -- move focus to previous/next window
    , ("M-<Left>",   windows W.focusUp)
    , ("M-<Right>",  windows W.focusDown)
    , ("M-S-<Left>", sendMessage Shrink)
    , ("M-S-<Right>",sendMessage Expand)

    -- swap windows
    , ("M-S-j", windows W.swapDown)
    , ("M-S-k", windows W.swapUp) -- swap with previous

    -- switch screens/ws
    , ("M-,",   prevScreen)
    , ("M-S-,", prevWS)

    , ("M-.",   nextScreen)
    , ("M-S-.", nextWS)

    -- switch between layouts
    , ("M-t", withFocused $ windows . W.sink)
    , ("M-g", sendMessage $ JumpToLayout "Tall")
    , ("M-f", sendMessage $ JumpToLayout "Full")

    , ("M-q", kill)

    -- recompile/restart/quit xmonad
    , ("M-S-c", spawn "xmonad --recompile")
    , ("M-S-r", spawn "xmonad --restart")
    , ("M-S-q", io (exitWith ExitSuccess)) -- quit
    ]

myXmobarPP :: PP
myXmobarPP = def
    { ppSep             = " "
    , ppTitle           = wrap (white    "[") (white    "]") . ppWindow
    , ppTitleSanitize   = xmobarStrip
    , ppCurrent         = wrap (blue     "[") (blue     "]") . ppWindow
    , ppHidden          = white . wrap " " " "
    , ppHiddenNoWindows = lowWhite . wrap " " " "
    , ppUrgent          = red
    }
    where
      ppWindow :: String -> String
      ppWindow = xmobarRaw . (\w -> if null w then "untitled" else w) . shorten 30

      white    = xmobarColor "#ffffff" ""
      lowWhite = xmobarColor "#fbfbfb" ""
      blue     = xmobarColor "#0000ff" ""
      red      = xmobarColor "#ff0000" ""

main = xmonad
     . ewmh
     =<< statusBar "xmobar" myXmobarPP toggleBarKey myConfig
     where
       toggleBarKey :: XConfig Layout -> (KeyMask, KeySym)
       toggleBarKey XConfig{ modMask = m } = (m, xK_b)