xmonad-config/lib/KeyBindings.hs

module KeyBindings (
  KeyBindings.modify
) where

import Control.Monad (void)
import Data.Foldable (forM_)
import Data.List (sort, isSuffixOf)
import Data.Maybe (isJust)
import Graphics.X11.Types
import System.Exit
-- import Text.EditDistance
import XMonad
import XMonad.Actions.CycleWS
import XMonad.Actions.DynamicProjects
import XMonad.Core
import XMonad.Layout.ToggleLayouts
import XMonad.Operations
import XMonad.Prompt
import XMonad.Prompt.ConfirmPrompt
import XMonad.Prompt.FuzzyMatch
import XMonad.Prompt.Shell
import XMonad.Util.EZConfig
import XMonad.Util.NamedScratchpad
import qualified Nord as N
import qualified Scratchpad as R
import qualified XMonad.StackSet as W


-- Custom (in libs)
import Password (passPrompt)

modify :: XConfig l -> XConfig l
modify conf = conf
  { modMask = mod4Mask -- Use the "Win" key for the mod key
  }

  `additionalKeysP` -- Add some extra key bindings:
    [ ("M-S-q", confirmPrompt promptConfig "exit" (io exitSuccess))
    , ("<XF86MonBrightnessDown>", spawn "/run/current-system/sw/bin/xbacklight -10")
    , ("<XF86MonBrightnessUp>", spawn "/run/current-system/sw/bin/xbacklight +10")
    , ("<XF86AudioPlay>", spawn "/run/current-system/sw/bin/mpc toggle")
    , ("<XF86AudioNext>", spawn "/run/current-system/sw/bin/mpc next")
    , ("<XF86AudioPrev>", spawn "/run/current-system/sw/bin/mpc prev")
    , ("M-<Delete>", kill)
    , ("M-<Down>", windows W.focusDown)
    , ("M-<Esc>", sendMessage (Toggle "Full"))
    , ("M-$", sendMessage (Toggle "Full"))
    , ("M-<Left>", prevWS)
    , ("M-i", prevScreen)
    , ("M-e", nextScreen)
    , ("M-<Right>", nextWS)
    , ("M-<Tab>", toggleWS' ["NSP"])
    , ("M-<Up>", windows W.focusUp)
    , ("M-S-<Delete>", spawn "/run/current-system/sw/bin/mpc pause; /run/current-system/sw/bin/xset s activate")
    , ("M-S-<Left>", shiftToPrev >> prevWS)
    , ("M-S-<Right>", shiftToNext >> nextWS)
    , ("M-s s", spawn "flameshot gui")
    , ("M-s t", spawn "/run/current-system/sw/bin/scrot /tmp/screen.png")
    -- Workspace and tasks
    , ("M-b", switchProjectPrompt promptConfig)
    , ("M-p m", shiftToProjectPrompt promptConfig)
    , ("M-p n", switchProjectPrompt promptConfig)
    , ("M-p r", renameProjectPrompt promptConfig)
    , ("M-p s", shellPrompt promptConfig)
    , ("M-p c", withFocused centerWindow)
    , ("M-d", passPrompt promptConfig)
    -- Scratchpads
    , ("M-p p", namedScratchpadAction R.pads "htop")
    -- Dunst
    , ("C-<Space>", spawn "dunstctl close")
    , ("C-S-<Space>", spawn "dunstctl close-all")
    , ("M-n p", spawn "dunstctl set-paused toggle")
    ]

viewProject :: WorkspaceId -> X ()
viewProject id = do
  project <- lookupProject id
  forM_ project switchProject

-- Borrowed from https://www.reddit.com/r/xmonad/comments/gzq316/how_can_i_centre_a_floating_window_without/fthtx29/
centerWindow :: Window -> X ()
centerWindow win = do
    (_, W.RationalRect x y w h) <- floatLocation win
    windows $ W.float win (W.RationalRect ((1 - w) / 2) ((1 - h) / 2) w h)
    return ()

promptConfig = def
  { position          = Bottom
  , alwaysHighlight   = True
  , borderColor       = N.nord9
  -- Normal
  , bgColor           = N.nord9
  , fgColor           = N.background
  -- Selection
  , bgHLight          = N.nord6
  , fgHLight          = N.background
  --
  , defaultText       = ""
  , font              = "xft:Iosevka Samae:style=Regular:size=8:charwidth=5"
  , height            = 24
  , promptBorderWidth = 5
  -- Fuzzysearch by default
  , searchPredicate = fuzzyMatch
  , sorter          = fuzzySort
  }

-- -- Slightly taken from
-- -- https://mail.haskell.org/pipermail/xmonad/2010-October/010671.html
-- data FuzzySpawn = FuzzySpawn deriving (Read, Show)
-- instance XPrompt FuzzySpawn where showXPrompt _ = "RunC: "
-- fuzzyPrompt config = do
--     cmds <- io getCommands
--     let compl s
--           | null s = []
--           | otherwise = let weight c = levenshteinDistance defaultEditCosts s c
--             in map snd $ take 20 $ sort $ map (\c -> (weight c,c)) cmds
--     mkXPrompt FuzzySpawn config (return . compl) spawn
--