dotfiles/modules/nixos/graphical/rofi.nix

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

let

  rofi = config.home-manager.users.${config.user}.programs.rofi.finalPackage;
in
{

  imports = [
    ./rofi/power.nix
    ./rofi/brightness.nix
  ];

  config = lib.mkIf (pkgs.stdenv.isLinux && config.services.xserver.enable) {

    # Set the Rofi-Systemd terminal for viewing logs
    environment.sessionVariables.ROFI_SYSTEMD_TERM = lib.mkIf config.kitty.enable "${pkgs.kitty}/bin/kitty";

    home-manager.users.${config.user} = {

      home.packages = with pkgs; [
        jq # Required for rofi-systemd
      ];

      programs.rofi = {
        enable = true;
        cycle = true;
        location = "center";
        pass = { };
        plugins = [
          pkgs.rofi-calc
          pkgs.rofi-emoji
          pkgs.rofi-systemd
        ];
        theme =
          let
            inherit (config.home-manager.users.${config.user}.lib.formats.rasi) mkLiteral;
          in
          {

            # Inspired by https://github.com/sherubthakur/dotfiles/blob/master/users/modules/desktop-environment/rofi/launcher.rasi

            "*" = {
              background-color = mkLiteral config.theme.colors.base00;
              foreground-color = mkLiteral config.theme.colors.base07;
              text-color = mkLiteral config.theme.colors.base07;
              border-color = mkLiteral config.theme.colors.base04;
            };

            # Holds the entire window
            "#window" = {
              transparency = "real";
              background-color = mkLiteral config.theme.colors.base00;
              text-color = mkLiteral config.theme.colors.base07;
              border = mkLiteral "4px";
              border-color = mkLiteral config.theme.colors.base04;
              border-radius = mkLiteral "4px";
              width = mkLiteral "850px";
              padding = mkLiteral "15px";
            };

            # Wrapper around bar and results
            "#mainbox" = {
              background-color = mkLiteral config.theme.colors.base00;
              border = mkLiteral "0px";
              border-radius = mkLiteral "0px";
              border-color = mkLiteral config.theme.colors.base04;
              children = map mkLiteral [
                "inputbar"
                "message"
                "listview"
              ];
              spacing = mkLiteral "10px";
              padding = mkLiteral "10px";
            };

            # Unknown
            "#textbox-prompt-colon" = {
              expand = false;
              str = ":";
              margin = mkLiteral "0px 0.3em 0em 0em";
              text-color = mkLiteral config.theme.colors.base07;
            };

            # Command prompt left of the input
            "#prompt" = {
              enabled = false;
            };

            # Actual text box
            "#entry" = {
              placeholder-color = mkLiteral config.theme.colors.base03;
              expand = true;
              horizontal-align = "0";
              placeholder = "";
              padding = mkLiteral "0px 0px 0px 5px";
              blink = true;
            };

            # Top bar
            "#inputbar" = {
              children = map mkLiteral [
                "prompt"
                "entry"
              ];
              border = mkLiteral "1px";
              border-radius = mkLiteral "4px";
              padding = mkLiteral "6px";
            };

            # Results
            "#listview" = {
              background-color = mkLiteral config.theme.colors.base00;
              padding = mkLiteral "0px";
              columns = 1;
              lines = 12;
              spacing = "5px";
              cycle = true;
              dynamic = true;
              layout = "vertical";
            };

            # Each result
            "#element" = {
              orientation = "vertical";
              border-radius = mkLiteral "0px";
              padding = mkLiteral "5px 0px 5px 5px";
            };
            "#element.selected" = {
              border = mkLiteral "1px";
              border-radius = mkLiteral "4px";
              border-color = mkLiteral config.theme.colors.base07;
              background-color = mkLiteral config.theme.colors.base04;
              text-color = mkLiteral config.theme.colors.base00;
            };

            "#element-text" = {
              expand = true;
              # horizontal-align = mkLiteral "0.5";
              vertical-align = mkLiteral "0.5";
              margin = mkLiteral "0px 2.5px 0px 2.5px";
            };
            "#element-text.selected" = {
              background-color = mkLiteral config.theme.colors.base04;
              text-color = mkLiteral config.theme.colors.base00;
            };

            # Not sure how to get icons
            "#element-icon" = {
              size = mkLiteral "18px";
              border = mkLiteral "0px";
              padding = mkLiteral "2px 5px 2px 2px";
              background-color = mkLiteral config.theme.colors.base00;
            };
            "#element-icon.selected" = {
              background-color = mkLiteral config.theme.colors.base04;
              text-color = mkLiteral config.theme.colors.base00;
            };
          };
        xoffset = 0;
        yoffset = -20;
        extraConfig = {
          show-icons = true;
          kb-cancel = "Escape,Super+space";
          modi = "window,run,ssh,emoji,calc,systemd";
          sort = true;
          # levenshtein-sort = true;
        };
      };

      home.file.".local/share/rofi/themes" = {
        recursive = true;
        source = ./rofi/themes;
      };
    };

    launcherCommand = ''${rofi}/bin/rofi -modes drun -show drun -theme-str '@import "launcher.rasi"' '';
    systemdSearch = "${pkgs.rofi-systemd}/bin/rofi-systemd";
    altTabCommand = "${rofi}/bin/rofi -show window -modi window";
    calculatorCommand = "${rofi}/bin/rofi -modes calc -show calc";
    audioSwitchCommand = "${
      (pkgs.writeShellApplication {
        name = "switch-audio";
        runtimeInputs = [
          pkgs.ponymix
          rofi
        ];
        text = builtins.readFile ./rofi/pulse-sink.sh;
      })
    }/bin/switch-audio";
  };
}