default.nix

{ pkgs, lib, config, ... }:

with lib;
let
  unstable = import <unstable> {};
  taffybarPatch = pkgs.fetchpatch {
    url = "https://raw.githubusercontent.com/spencerjanssen/dotfiles/master/nixos/taffybar-gi-gdkpixbuf-2.0.18.patch";
    sha256 = "00fczqii26z005dmzmn6zjbi4l7r0p0vsrs5v170sw556aic4vbh";
  };
  deps = with pkgs; {
    inherit rofi slock;
    rofiPass = rofi-pass;
  };

  slock = let
    path = makeBinPath (with pkgs; [
      coreutils
      i3lock-color
      scrot
      imagemagick
    ]);
  in pkgs.writeShellScriptBin "slock" ''
    export PATH=${path}
    screen=/run/user/$UID/screen.png

    convert x:root -scale 5% -sample 2000% -quality 30 $screen
    i3lock-color -n -i $screen \
        --insidecolor=373445ff --ringcolor=ffffffff --line-uses-inside \
        --keyhlcolor=d23c3dff --bshlcolor=d23c3dff --separatorcolor=00000000 \
        --insidevercolor=fecf4dff --insidewrongcolor=d23c3dff \
        --ringvercolor=ffffffff --ringwrongcolor=ffffffff --indpos="x+86:y+1003" \
        --radius=15 --veriftext="" --wrongtext=""

    pid=$!
    wait $pid
    [ -f "$screen" ] && rm $screen
  '';
in mkIf config.xsession.windowManager.xmonad.enable {
  require = [ ./taffybar.nix ];
  home.packages = with pkgs; [
    slock
    nmcli-rofi
    networkmanagerapplet
  ];
  services.screen-locker.enable = true;
  services.screen-locker.lockCmd = "";

  xsession = {
    windowManager.xmonad = {
      enableContribAndExtras = true;
    };
    pointerCursor = {
      defaultCursor = "left_ptr";
      package = pkgs.gnome3.adwaita-icon-theme;
      name = "Adwaita";
      size = 24;
    };
  };

  programs.rofi = {
    enable = true;
    terminal = "${pkgs.alacritty}";
  };

  xdg.configFile."xmonad/lib/Packages.hs".text = ''
      module Packages where
  '' + concatStringsSep "\n" (map
    (n: ''${n} = (++) "${getAttr n deps}"'')
    (attrNames deps));
}

taffybar.nix

{ pkgs, lib, config, ... }:

with lib;
let
  unstable = import <unstable> {};
  taffybarPatch = pkgs.fetchpatch {
    url = "https://raw.githubusercontent.com/spencerjanssen/dotfiles/master/nixos/taffybar-gi-gdkpixbuf-2.0.18.patch";
    sha256 = "00fczqii26z005dmzmn6zjbi4l7r0p0vsrs5v170sw556aic4vbh";
  };
in {
  home.packages = with pkgs; [
    at-spi2-core
  ]
  nixpkgs.overlays = [
    (self: super: {
      taffybar = (unstable.taffybar.override {
        ghcWithPackages = (unstable.haskellPackages.override {
        overrides = _: super: {
            taffybar = unstable.haskell.lib.appendPatch super.taffybar taffybarPatch;
        };
        }).ghcWithPackages;
      });
    })
  ];
  services.taffybar.enable = true;
  services.taffybar.package = pkgs.taffybar.override {
    packages = haskellPackages: with haskellPackages; [
      linear
    ];
  };
}