nixos-config/home-manager/modules/river/default.nix

{
  pkgs,
  config,
  lib,
  ...
}:
with lib;
let
  cfg = config.eboskma.programs.river;

  mod = "Mod4";
  lockcmd = "${pkgs.swaylock}/bin/swaylock --ignore-empty-password --daemonize --show-failed-attempts --indicator-caps-lock --image ${cfg.wallpaper} --scaling fill";
  rofiPower = pkgs.writeShellScriptBin "rofi-power" (
    builtins.replaceStrings [ "{WALLPAPER}" ] [ (builtins.toString cfg.wallpaper) ] (
      builtins.readFile ./powermenu.sh
    )
  );

  menu = "${config.programs.anyrun.package}/bin/anyrun";

  directions = {
    left = "n";
    down = "e";
    up = "i";
    right = "o";
  };

  catppuccin = {
    rosewater = "0xf5e0dc";
    flamingo = "0xf2cdcd";
    pink = "0xf5c2e7";
    mauve = "0xcba6f7";
    red = "0xf38ba8";
    maroon = "0xeba0ac";
    peach = "0xfab387";
    yellow = "0xf9e2af";
    green = "0xa6e3a1";
    teal = "0x94e2d5";
    sky = "0x89dceb";
    sapphire = "0x74c7ec";
    blue = "0x89b4fa";
    lavender = "0xb4befe";
    text = "0xcdd6f4";
    subtext1 = "0xbac2de";
    subtext0 = "0xa6adc8";
    overlay2 = "0x9399b2";
    overlay1 = "0x7f849c";
    overlay0 = "0x6c7086";
    surface2 = "0x585b70";
    surface1 = "0x45475a";
    surface0 = "0x313244";
    base = "0x1e1e2e";
    mantle = "0x181825";
    crust = "0x11111b";
  };

  bit = b: (foldl (x: _: x * 2) 1 (builtins.genList (n: n + 1) b));
  tags = map (num: {
    value = bit num;
    index = toString (num + 1);
  }) (builtins.genList (n: n) 9);
in
{
  options.eboskma.programs.river = {
    enable = mkEnableOption "river";
    package = mkPackageOption pkgs "river" { };
    wallpaper = mkOption {
      description = "Desired wallpaper";
      type = types.path;
    };
  };

  config = mkIf cfg.enable {
    wayland.windowManager.river = {
      enable = true;
      settings = {
        declare-mode = [
          "normal"
          "locked"
          "passthrough"
        ];

        input = {
          pointer-1390-268-ELECOM_TrackBall_Mouse_HUGE_TrackBall = {
            accel-profile = "adaptive";
            natural-scroll = "enabled";
          };
        };
        hide-cursor = "when-typing enabled";
        set-cursor-warp = "on-output-change";

        keyboard-layout = "kyria";

        map = {
          normal =
            {
              "${mod} Return" = "spawn ${pkgs.foot}/bin/foot";
              "${mod}+Shift q" = "close";
              "${mod} s" = "spawn ${menu}";

              "${mod} ${directions.left}" = "focus-view left";
              "${mod} ${directions.right}" = "focus-view right";
              "${mod} ${directions.up}" = "focus-view up";
              "${mod} ${directions.down}" = "focus-view down";

              "${mod}+Shift ${directions.left}" = "move left";
              "${mod}+Shift ${directions.right}" = "move right";
              "${mod}+Shift ${directions.up}" = "move up";
              "${mod}+Shift ${directions.down}" = "move down";

              "${mod}+Control ${directions.left}" = "snap left";
              "${mod}+Control ${directions.right}" = "snap right";
              "${mod}+Control ${directions.up}" = "snap up";
              "${mod}+Control ${directions.down}" = "snap down";

              "${mod} a" = "zoom";

              "${mod}+Shift Space" = "toggle-float";
              "${mod} t" = "toggle-fullscreen";

              # Scratchpad
              "${mod}+Shift minus" = "set-view-tags ${toString (bit 20)}";
              "${mod} minus" = "toggle-focused-tags ${toString (bit 20)}";

              "${mod} Print" = "spawn '${pkgs.grim}/bin/grim'";

              "${mod} l" = "spawn '${lockcmd}'";

              # Enable passthrough mode
              "${mod} Pause" = "enter-mode passthrough";

              "None XF86AudioRaiseVolume" = "spawn '${pkgs.pamedia}/bin/pamedia up'";
              "None XF86AudioLowerVolume" = "spawn '${pkgs.pamedia}/bin/pamedia down'";
              "None XF86AudioMute" = "spawn '${pkgs.pamedia}/bin/pamedia mute'";
              "None XF86Calculator" = "spawn ${pkgs.gnome.gnome-calculator}/bin/gnome-calculator";

              "${mod} c" = mkIf config.eboskma.programs.emacs.enable "spawn '${config.eboskma.programs.emacs.package}/bin/emacsclient -c'";

              "${mod} d" = "spawn '${pkgs.swaynotificationcenter}/bin/swaync-client --toggle-panel --skip-wait'";
              "${mod}+Shift d" = "spawn '${pkgs.swaynotificationcenter}/bin/swaync-client --toggle-dnd --skip-wait'";

              "${mod}+Shift f" = "spawn ${rofiPower}/bin/rofi-power";

              "${mod}+Shift+Alt ${directions.left}" = "send-layout-cmd rivertile 'main-ratio -0.05'";
              "${mod}+Shift+Alt ${directions.right}" = "send-layout-cmd rivertile 'main-ratio +0.05'";

              "${mod}+Shift+Control ${directions.left}" = "send-layout-cmd rivertile 'main-location left'";
              "${mod}+Shift+Control ${directions.right}" = "send-layout-cmd rivertile 'main-location right'";
              "${mod}+Shift+Control ${directions.up}" = "send-layout-cmd rivertile 'main-location top'";
              "${mod}+Shift+Control ${directions.down}" = "send-layout-cmd rivertile 'main-location bottom'";
            }
            // builtins.listToAttrs (
              map (tag: {
                name = "${mod} ${toString tag.index}";
                value = "set-focused-tags ${toString tag.value}";
              }) tags
            )
            // builtins.listToAttrs (
              map (tag: {
                name = "${mod}+Control ${toString tag.index}";
                value = "toggle-view-tags ${toString tag.value}";
              }) tags
            )
            // builtins.listToAttrs (
              map (tag: {
                name = "${mod}+Shift ${toString tag.index}";
                value = "set-view-tags ${toString tag.value}";
              }) tags
            );

          passthrough = {
            "${mod} Pause" = "enter-mode normal";
          };
        };

        map-pointer = {
          normal = {
            "${mod} BTN_LEFT" = "move-view";
            "${mod} BTN_RIGHT" = "resize-view";
          };
        };

        spawn-tagmask = toString (builtins.bitXor ((bit 32) - 1) (bit 20));

        spawn = [
          # "'${ewwDaemon} --restart open bar-home'"
          "'${pkgs.swaybg}/bin/swaybg --image ${cfg.wallpaper} --mode fill'"
        ];

        rule-add = {
          "-app-id" = {
            "org.gnome.Calculator" = "float";
          };
        };

        default-layout = "rivertile";

        border-width = 1;
        border-color-focused = catppuccin.lavender;
        border-color-unfocused = catppuccin.overlay0;
        border-color-urgent = catppuccin.peach;

        focus-follows-cursor = "always";

        # target                 title     bg    text   indicator  border
        # client.focused           $lavender $base $text  $rosewater $lavender
        # client.focused_inactive  $overlay0 $base $text  $rosewater $overlay0
        # client.unfocused         $overlay0 $base $text  $rosewater $overlay0
        # client.urgent            $peach    $base $peach $overlay0  $peach
        # client.placeholder       $overlay0 $base $text  $overlay0  $overlay0
        # client.background        $base
      };

      extraConfig = ''
        ${cfg.package}/bin/rivertile -view-padding 5 -outer-padding 5 &
      '';
    };

    xdg.configFile."xkb/symbols/kyria" = {
      source = ./keyboard-layout.xkb;
    };
  };
}