nix-configs/haskell/xmonad/xmonad.hs

--
-- 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 XMonad
import Data.Monoid
import System.Exit

import XMonad.Hooks.StatusBar
import XMonad.Hooks.StatusBar.PP

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

import XMonad.Layout.Spacing

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

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

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

-- Width of the window border in pixels.
--
myBorderWidth   = 2

-- 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    = ["comms","browser","3","4","5","6","7","8","9"]

-- Border colors for unfocused and focused windows, respectively.
--
myNormalBorderColor  = "#3c3836"
myFocusedBorderColor = "#504945"

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

    [ ((modm, xK_Return), spawn $ XMonad.terminal conf)
    , ((modm .|. shiftMask, xK_q), kill)
     -- Rotate through the available layout algorithms
    , ((modm,               xK_space ), sendMessage NextLayout)

	-- rofiing
    , ((modm, xK_d), spawn "rofi -show drun")
	, ((modm .|. shiftMask, xK_e), spawn "rofi -show \"desktopctl\" -modes \"desktopctl:$(which desktopctl)\"")
	, ((modm, xK_m), spawn "menu-qalc")
	, ((modm, xK_i), spawn "rofimoji -f alchemical_symbols anatolian_hieroglyphs emojis braille_patterns box_drawing chess_symbols emoticons geometric_shapes gothic greek_extended math mathematical_alphanumeric_symbols mathematical_operators miscellaneous_symbols miscellaneous_mathematical_symbols-a miscellaneous_mathematical_symbols-b miscellaneous_symbols_and_arrows miscellaneous_symbols_and_pictographs miscellaneous_technical modi modifier_tone_letters musical_symbols nerd_font number_forms shorthand_format_controls specials variation_selectors vertical_forms -a copy")

	-- screenshotting
	-- TODO: Fix/rewrite window-screenshot.sh
	, ((modm, xK_w), spawn "window-screenshot.sh")
	, ((modm, xK_s), spawn "flameshot gui -c -p $HOME/Pictures/screenshots")
	, ((modm, xK_a), spawn "flameshot screen -c -p $HOME/Pictures/screenshots")
	, ((modm, xK_t), spawn "ocr-screenshot.sh")

    --  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
    , ((modm,               xK_j     ), windows W.focusDown)
    , ((modm,               xK_k     ), windows W.focusUp  )

    -- Swap the focused window with the next window
    , ((modm .|. shiftMask, xK_j     ), windows W.swapDown  )
    , ((modm .|. shiftMask, xK_k     ), windows W.swapUp    )

    -- Shrink the master area
    , ((modm,               xK_h     ), sendMessage Shrink)
    , ((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))
    , ((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)

    --, ((modm .|. shiftMask, xK_e     ), io (exitWith ExitSuccess))

    -- Restart xmonad
    --, ((modm              , xK_q     ), spawn "xmonad --recompile; xmonad --restart")

    -- Run xmessage with a summary of the default keybindings (useful for beginners)
    , ((modm .|. shiftMask, xK_slash ), spawn ("echo \"" ++ help ++ "\" | xmessage -file -"))
    ]
    ++

    --
    -- 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_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 = 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   = 1/2

     -- 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 ]

------------------------------------------------------------------------
-- 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 = do
	spawn "pkill oneko; oneko -tofocus -tora -position +-1+5 -fg palevioletred3 -bg pink -name 'Rose the desktop kitty'"
	--spawn "pkill polybar; polybar"
	spawn "pkill volumeicon; volumeicon"
	spawn "pkill nm-applet; nm-applet"
	spawn "mullvad-vpn --background"

------------------------------------------------------------------------
-- Now run xmonad with all the defaults we set up.

-- Run xmonad with the settings you specify. No need to modify this.
--
mySB = statusBarProp "polybar" (pure xmobarPP) 
main = xmonad $ withEasySB mySB defToggleStrutsKey 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         = myWorkspaces
    , normalBorderColor  = myNormalBorderColor
    , focusedBorderColor = myFocusedBorderColor

      -- key bindings
    , keys               = myKeys
	, mouseBindings      = myMouseBindings
      -- hooks, layouts
	, layoutHook         = spacingRaw True (Border 0 0 0 0) True (Border 7 7 7 7) True $ myLayout
	, manageHook         = myManageHook
	, handleEventHook    = myEventHook
	, logHook            = myLogHook
	, startupHook        = myStartupHook
    }

-- | Finally, a copy of the default bindings in simple textual tabular format.
help :: String
help = unlines ["The default modifier key is 'alt'. Default keybindings:",
    "",
    "-- launching and killing programs",
    "mod-Shift-Enter  Launch xterminal",
    "mod-p            Launch dmenu",
    "mod-Shift-p      Launch gmrun",
    "mod-Shift-c      Close/kill the focused window",
    "mod-Space        Rotate through the available layout algorithms",
    "mod-Shift-Space  Reset the layouts on the current workSpace to default",
    "mod-n            Resize/refresh viewed windows to the correct size",
    "",
    "-- move focus up or down the window stack",
    "mod-Tab        Move focus to the next window",
    "mod-Shift-Tab  Move focus to the previous window",
    "mod-j          Move focus to the next window",
    "mod-k          Move focus to the previous window",
    "mod-m          Move focus to the master window",
    "",
    "-- modifying the window order",
    "mod-Return   Swap the focused window and the master window",
    "mod-Shift-j  Swap the focused window with the next window",
    "mod-Shift-k  Swap the focused window with the previous window",
    "",
    "-- resizing the master/slave ratio",
    "mod-h  Shrink the master area",
    "mod-l  Expand the master area",
    "",
    "-- floating layer support",
    "mod-t  Push window back into tiling; unfloat and re-tile it",
    "",
    "-- increase or decrease number of windows in the master area",
    "mod-comma  (mod-,)   Increment the number of windows in the master area",
    "mod-period (mod-.)   Deincrement the number of windows in the master area",
    "",
    "-- quit, or restart",
    "mod-Shift-q  Quit xmonad",
    "mod-q        Restart xmonad",
    "mod-[1..9]   Switch to workSpace N",
    "",
    "-- Workspaces & screens",
    "mod-Shift-[1..9]   Move client to workspace N",
    "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",
    "",
    "-- Mouse bindings: default actions bound to mouse events",
    "mod-button1  Set the window to floating mode and move by dragging",
    "mod-button2  Raise the window to the top of the stack",
    "mod-button3  Set the window to floating mode and resize by dragging"]