Remove manual fuzzy matching, and use the dedicated module

lib/KeyBindings.hs

@@ -4,11 +4,12 @@ module KeyBindings (
 ) 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 Text.EditDistance
 import XMonad
 import XMonad.Actions.CopyWindow (kill1,copy)
 import XMonad.Actions.CycleWS
@@ -18,6 +19,7 @@ import XMonad.Layout.ToggleLayouts
 import XMonad.Operations
 import XMonad.Prompt
 import XMonad.Prompt.ConfirmPrompt
+import XMonad.Prompt.FuzzyMatch
 import XMonad.Prompt.Shell
 import XMonad.Prompt.Workspace (workspacePrompt)
 import XMonad.Util.EZConfig
@@ -107,18 +109,20 @@ promptConfig = def
   , font              = "xft:Iosevka Samae:style=Regular:size=10:charwidth=6.5"
   , 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
-
--- https://github.com/MasseR/xmonad-masser/blob/master/src/XMonad/Password.hs
+-- -- 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
+--