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--
-- xmonad example config file for xmonad-0.9
--
-- 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.
--
-- NOTE: Those updating from earlier xmonad versions, who use
-- EwmhDesktops, safeSpawn, WindowGo, or the simple-status-bar
-- setup functions (dzen, xmobar) probably need to change
-- xmonad.hs, please see the notes below, or the following
-- link for more details:
--
-- http://www.haskell.org/haskellwiki/Xmonad/Notable_changes_since_0.8
--

import XMonad
import Data.Monoid
import System.Exit

--Contrib
import XMonad.Layout.NoBorders
import XMonad.Layout.Grid
import XMonad.Hooks.EwmhDesktops
import XMonad.Hooks.ManageHelpers

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

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

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

-- Width of the window border in pixels.
--
myBorderWidth   = 3

-- 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

-- NOTE: from 0.9.1 on numlock mask is set automatically. The numlockMask
-- setting should be removed from configs.
--
-- You can safely remove this even on earlier xmonad versions unless you
-- need to set it to something other than the default mod2Mask, (e.g. OSX).
--
-- The mask for the numlock key. Numlock status is "masked" from the
-- current modifier status, so the keybindings will work with numlock on or
-- off. You may need to change this on some systems.
--
-- You can find the numlock modifier by running "xmodmap" and looking for a
-- modifier with Num_Lock bound to it:
--
-- > $ xmodmap | grep Num
-- > mod2        Num_Lock (0x4d)
--
-- Set numlockMask = 0 if you don't have a numlock key, or want to treat
-- numlock status separately.
--
-- myNumlockMask   = mod2Mask -- deprecated in xmonad-0.9.1
------------------------------------------------------------


-- 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    = ["1","2","3","4","5","6","7","8","9"]


-- The colors that are used in around xmonad
--
myBackgroundColor = "#111111"
myFrontgroundColor = "#eeeeee"
myAccentColor = "#ee2222"


-- Border colors for unfocused and focused windows, respectively.
--
myNormalBorderColor = myBackgroundColor
myFocusedBorderColor = myAccentColor

------------------------------------------------------------------------
-- Key bindings. Add, modify or remove key bindings here.
--
myKeys conf@(XConfig {XMonad.modMask = modm}) = M.fromList $

    -- launch a terminal
    [ ((modm,               xK_semicolon), spawn $ XMonad.terminal conf)

    -- launch dmenu
    , ((modm,               xK_d     ), spawn "exe=`dmenu_path | dmenu` && eval \"exec $exe\"")

    -- close focused window
    , ((modm,               xK_q     ), kill)

     -- Rotate through the available layout algorithms
    --, ((modm,               xK_space ), sendMessage NextLayout)

    -- Set layout to tile
    , ((modm,               xK_a ), 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_j     ), windows W.focusDown)

    -- Move focus to the previous window
    , ((modm,               xK_k     ), windows W.focusUp  )

    -- Swap the focused window and the master window
    , ((modm,               xK_space), windows W.swapMaster)

    -- 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_i     ), sendMessage (IncMasterN 1))

    -- Deincrement the number of windows in the master area
    , ((modm              , xK_o     ), sendMessage (IncMasterN (-1)))

    -- Quit xmonad
    , ((modm .|. shiftMask, xK_q     ), io (exitWith ExitSuccess))

    -- Restart xmonad
    , ((modm .|. shiftMask, xK_r     ), spawn "xmonad --recompile; xmonad --restart")


    , ((mod3Mask          , xK_t     ), spawn "twitch")
    , ((mod3Mask          , xK_r     ), spawn "dmenureddit")
    , ((mod3Mask          , xK_y     ), spawn "syt")
    , ((mod3Mask          , xK_slash ), spawn "dlocate")
    , ((mod3Mask          , xK_s     ), spawn "qmenu_hud")
    , ((mod3Mask          , xK_p     ), spawn "passmenu")
    , ((mod3Mask .|. shiftMask , xK_p ), spawn "passmenu --type")
    , ((mod3Mask          , xK_e     ), spawn "$TERMINAL -e $FILE")
    , ((mod3Mask          , xK_w     ), spawn "wmctrl -a $BROWSER || $BROWSER")
    , ((mod3Mask          , xK_g     ), spawn "pkill -x picom || picom --experimental-backends")
    , ((mod3Mask          , xK_x     ), spawn "wmctrl -a tremc || $TERMINAL -n tremc -e tremc")
    , ((mod3Mask          , xK_Print ), spawn "maim -s | xclip -selection c -t image/png")
    , ((mod3Mask          , xK_s     ), spawn "pkill -x ncmpc || $TERMINAL -e ncmpc & mpd")
    , ((mod3Mask          , xK_d     ), spawn "wmctrl -x -a discord || discord")
    , ((mod3Mask          , xK_f     ), spawn "xclip -o -selection clipboard | dhandler")
    , ((mod3Mask          , xK_n     ), spawn "wmctrl -a newsboat || $TERMINAL -n newsboat -e newsboat")
    , ((mod3Mask          , xK_m     ), spawn "wmctrl -a mutt || $TERMINAL -n mutt -e mutt")
    , ((mod3Mask          , xK_v     ), spawn "pkill -x pulsemixer || $TERMINAL -e pulsemixer")
    ]
    ++

    --
    -- mod-[1..9], Switch to workspace N
    --
    -- 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 (XMonad.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_comma, xK_period] [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 -> withFocused $ windows . W.sink))

    -- mod-button3, Set the window to floating mode and resize by dragging
    , ((modm, button3), (\w -> focus w >> mouseResizeWindow w
                                       >> windows W.shiftMaster))

    -- mod-button4, Move focus up.
    , ((modm, button4), (\w -> windows W.focusUp))

    -- mod-button5, Move focus down.
    , ((modm, button5), (\w -> windows W.focusDown))

    -- 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.
--
-- * NOTE: XMonad.Hooks.EwmhDesktops users must remove the obsolete
-- ewmhDesktopsLayout modifier from layoutHook. It no longer exists.
-- Instead use the 'ewmh' function from that module to modify your
-- defaultConfig as a whole. (See also logHook, handleEventHook, and
-- startupHook ewmh notes.)
--
-- The available layouts.  Note that each layout is separated by |||,
-- which denotes layout choice.
--
myLayout = tiled ||| Full ||| Grid
  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   = 55/100

    -- Percent of screen to increment by when resizing panes
    delta   = 5/100

------------------------------------------------------------------------
-- 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
    , isFullscreen                  --> doFloat
    , className =? "Gimp"           --> doFloat
    , className =? "discord"        --> doShift "7"
    , className =? "qutebrowser"    --> doShift "9"
    , resource  =? "desktop_window" --> doIgnore
    , resource  =? "kdesktop"       --> 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.
--
-- * NOTE: EwmhDesktops users should use the 'ewmh' function from
-- XMonad.Hooks.EwmhDesktops to modify their defaultConfig as a whole.
-- It will add EWMH event handling to your custom event hooks by
-- combining them with ewmhDesktopsEventHook.
--
--myEventHook = fullscreenEventHook

------------------------------------------------------------------------
-- Status bars and logging

-- Perform an arbitrary action on each internal state change or X event.
-- See the 'XMonad.Hooks.DynamicLog' extension for examples.
--
--
-- * NOTE: EwmhDesktops users should use the 'ewmh' function from
-- XMonad.Hooks.EwmhDesktops to modify their defaultConfig as a whole.
-- It will add EWMH logHook actions to your custom log hook by
-- combining it with ewmhDesktopsLogHook.
--
--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.
--
-- * NOTE: EwmhDesktops users should use the 'ewmh' function from
-- XMonad.Hooks.EwmhDesktops to modify their defaultConfig as a whole.
-- It will add initialization of EWMH support to your custom startup
-- hook by combining it with ewmhDesktopsStartup.
--
--myStartupHook = do
--setWMName "LG3D"

-- Run xmonad with the settings you specify. No need to modify this.
--
main = xmonad $ ewmh $ defaultConfig {
      -- simple stuff
        terminal           = myTerminal,
        focusFollowsMouse  = myFocusFollowsMouse,
        borderWidth        = myBorderWidth,
        modMask            = myModMask,
        -- numlockMask deprecated in 0.9.1
        -- numlockMask        = myNumlockMask,
        workspaces         = myWorkspaces,
        normalBorderColor  = myNormalBorderColor,
        focusedBorderColor = myFocusedBorderColor,

      -- key bindings

        keys               = myKeys,
        mouseBindings      = myMouseBindings,

      -- hooks, layouts
        layoutHook         = smartBorders $ myLayout,
        manageHook         = myManageHook
        --handleEventHook    = myEventHook
        --handleEventHook    = fullscreenEventHook
        --logHook            = myLogHook,
        --startupHook        = myStartupHook
    }