--
-- xmonad example config file.
--
-- A template showing all available configuration hooks,
-- and how to override the defaults in your own xmonad.hs conf file.
--
-- Normally, you'd only override those defaults you care about.
--
import Data.Monoid
import System.Exit
import XMonad

import XMonad.Hooks.ManageDocks
import XMonad.Util.SpawnOnce

import qualified Data.Map as M
import XMonad.Hooks.EwmhDesktops (ewmh)
import XMonad.Hooks.InsertPosition
import XMonad.Layout.Fullscreen (fullscreenSupport)
import XMonad.Layout.IndependentScreens (withScreens)
import qualified XMonad.StackSet as W
import XMonad.Util.Run (spawnPipe)

-- The preferred terminal program, which is used in a binding below and by
-- certain contrib modules.
--
myTerminal = "alacritty"

-- Whether focus follows the mouse pointer.
myFocusFollowsMouse :: Bool
myFocusFollowsMouse = True

-- Whether clicking on a window to focus also passes the click to the window
myClickJustFocuses :: Bool
myClickJustFocuses = True

-- Width of the window border in pixels.
--
myBorderWidth = 1

-- modMask lets you specify which modkey you want to use. The default
-- is mod1Mask ("left alt").  You may also consider using mod3Mask
-- ("right alt"), which does not conflict with emacs keybindings. The
-- "windows key" is usually mod4Mask.
--
myModMask = mod4Mask

-- The default number of workspaces (virtual screens) and their names.
-- By default we use numeric strings, but any string may be used as a
-- workspace name. The number of workspaces is determined by the length
-- of this list.
--
-- A tagging example:
--
-- > workspaces = ["web", "irc", "code" ] ++ map show [4..9]
--
myWorkspaces = map show [1 .. 9]

-- Border colors for unfocused and focused windows, respectively.
--
myNormalBorderColor = "#282828"

myFocusedBorderColor = "#484848"

------------------------------------------------------------------------
-- Key bindings. Add, modify or remove key bindings here.
--
myKeys conf@(XConfig {XMonad.modMask = modm}) =
  M.fromList $
    -- launch a terminal
  [ ((modm, xK_Return), spawn $ XMonad.terminal conf)
    -- launch rofi app launcher
  , ((modm, xK_d), spawn "rofi -show drun")
    -- launch rofi ssh
  , ((modm, xK_s), spawn "rofi -show ssh")
    -- launch rofi shell
  , ((modm, xK_p), spawn "rofi -show run")
    -- pause cmus
  , ((modm, xK_u), spawn "cmus-remote --pause")
    -- spawn firefox
  , ((modm, xK_b), spawn "firefox")
    -- screenshot
  , ((modm, xK_Print), spawn "flameshot gui")
    -- launch gmrun
  , ((modm .|. shiftMask, xK_p), spawn "gmrun")
    -- close focused window
  , ((modm .|. shiftMask, xK_q), kill)
     -- Rotate through the available layout algorithms
  , ((modm, xK_space), sendMessage NextLayout)
    --  Reset the layouts on the current workspace to default
  , ((modm .|. shiftMask, xK_space), setLayout $ XMonad.layoutHook conf)
    -- Resize viewed windows to the correct size
  , ((modm, xK_n), refresh)
    -- Move focus to the next window
  , ((modm, xK_Tab), windows W.focusDown)
    -- Move focus to the next window
  , ((modm, xK_j), windows W.focusDown)
    -- Move focus to the previous window
  , ((modm, xK_k), windows W.focusUp)
    -- Move focus to the master window
  , ((modm, xK_m), windows W.focusMaster)
    -- Swap the focused window and the master window
  , ((modm .|. shiftMask, xK_Return), windows W.swapMaster)
    -- Swap the focused window with the next window
  , ((modm .|. shiftMask, xK_j), windows W.swapDown)
    -- Swap the focused window with the previous window
  , ((modm .|. shiftMask, xK_k), windows W.swapUp)
    -- Shrink the master area
  , ((modm, xK_h), sendMessage Shrink)
    -- Expand the master area
  , ((modm, xK_l), sendMessage Expand)
    -- Push window back into tiling
  , ((modm, xK_t), withFocused $ windows . W.sink)
    -- Increment the number of windows in the master area
  , ((modm, xK_comma), sendMessage (IncMasterN 1))
    -- Deincrement the number of windows in the master area
  , ((modm, xK_period), sendMessage (IncMasterN (-1)))
    -- Toggle the status bar gap
    -- Use this binding with avoidStruts from Hooks.ManageDocks.
    -- See also the statusBar function from Hooks.DynamicLog.
    --
    -- , ((modm              , xK_b     ), sendMessage ToggleStruts)
    -- Quit xmonad
  --, ((modm .|. shiftMask, xK_q), io exitSuccess)
    -- Restart xmonad
  , ( (modm .|. shiftMask, xK_x)
    , spawn
        "xmonad --recompile; xmonad --restart; notify-send \"XMonad\" \"Recompiled & restarted.\"")
  ] ++
    --
    -- mod-[1..9], Switch to workspace N
    -- mod-shift-[1..9], Move client to workspace N
    --
  [ ((m .|. modm, k), windows $ f i)
  | (i, k) <- zip (workspaces conf) [xK_1 .. xK_9]
  , (f, m) <- [(W.greedyView, 0), (W.shift, shiftMask)]
  ] ++
    --
    -- mod-{w,e,r}, Switch to physical/Xinerama screens 1, 2, or 3
    -- mod-shift-{w,e,r}, Move client to screen 1, 2, or 3
    --
  [ ((m .|. modm, key), screenWorkspace sc >>= flip whenJust (windows . f))
  | (key, sc) <- zip [xK_w, xK_e, xK_r] [0 ..]
  , (f, m) <- [(W.view, 0), (W.shift, shiftMask)]
  ]

------------------------------------------------------------------------
-- Mouse bindings: default actions bound to mouse events
--
myMouseBindings (XConfig {XMonad.modMask = modm}) =
  M.fromList
    -- mod-button1, Set the window to floating mode and move by dragging
    [ ( (modm, button1)
      , \w -> focus w >> mouseMoveWindow w >> windows W.shiftMaster)
    -- mod-button2, Raise the window to the top of the stack
    , ((modm, button2), \w -> focus w >> windows W.shiftMaster)
    -- mod-button3, Set the window to floating mode and resize by dragging
    , ( (modm, button3)
      , \w -> focus w >> mouseResizeWindow w >> windows W.shiftMaster)
    -- you may also bind events to the mouse scroll wheel (button4 and button5)
    ]

------------------------------------------------------------------------
-- Layouts:
-- You can specify and transform your layouts by modifying these values.
-- If you change layout bindings be sure to use 'mod-shift-space' after
-- restarting (with 'mod-q') to reset your layout state to the new
-- defaults, as xmonad preserves your old layout settings by default.
--
-- The available layouts.  Note that each layout is separated by |||,
-- which denotes layout choice.
--
myLayout = avoidStruts $ tiled ||| Mirror tiled ||| Full
  where
    -- default tiling algorithm partitions the screen into two panes
    tiled = Tall nmaster delta ratio
    -- The default number of windows in the master pane
    nmaster = 1
    -- Default proportion of screen occupied by master pane
    ratio = 3 / 4
    -- Percent of screen to increment by when resizing panes
    delta = 3 / 100

------------------------------------------------------------------------
-- Window rules:
-- Execute arbitrary actions and WindowSet manipulations when managing
-- a new window. You can use this to, for example, always float a
-- particular program, or have a client always appear on a particular
-- workspace.
--
-- To find the property name associated with a program, use
-- > xprop | grep WM_CLASS
-- and click on the client you're interested in.
--
-- To match on the WM_NAME, you can use 'title' in the same way that
-- 'className' and 'resource' are used below.
--
myManageHook =
  composeAll
    [ className =? "MPlayer" --> doFloat
    , className =? "Gimp" --> doFloat
    , resource =? "desktop_window" --> doIgnore
    , resource =? "kdesktop" --> doIgnore
    , insertPosition End Newer
    ]

------------------------------------------------------------------------
-- Event handling
-- * EwmhDesktops users should change this to ewmhDesktopsEventHook
--
-- 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
-- Perform an arbitrary action on each internal state change or X event.
-- See the 'XMonad.Hooks.DynamicLog' extension for examples.
--
myLogHook = return ()

------------------------------------------------------------------------
-- Startup hook
-- Perform an arbitrary action each time xmonad starts or is restarted
-- with mod-q.  Used by, e.g., XMonad.Layout.PerWorkspace to initialize
-- per-workspace layout choices.
--
-- By default, do nothing.
myStartupHook = spawnOnce "$HOME/.xmonad/bin/autostart.sh"

------------------------------------------------------------------------
-- Now run xmonad with all the defaults we set up.
-- Run xmonad with the settings you specify. No need to modify this.
--
main = xmonad $ fullscreenSupport $ docks $ ewmh defaults

-- A structure containing your configuration settings, overriding
-- fields in the default config. Any you don't override, will
-- use the defaults defined in xmonad/XMonad/Config.hs
--
-- No need to modify this.
--
defaults =
  def
      -- simple stuff
    { terminal = myTerminal
    , focusFollowsMouse = myFocusFollowsMouse
    , clickJustFocuses = myClickJustFocuses
    , borderWidth = myBorderWidth
    , modMask = myModMask
    , workspaces = withScreens 2 myWorkspaces
    , normalBorderColor = myNormalBorderColor
    , focusedBorderColor = myFocusedBorderColor
      -- key bindings
    , keys = myKeys
    , mouseBindings = myMouseBindings
      -- hooks, layouts
    , layoutHook = myLayout
    , manageHook = myManageHook
    , handleEventHook = myEventHook
    , logHook = myLogHook
    , startupHook = myStartupHook
    }