nixos/home/desktop/plasma/default.nix

{
  config,
  lib,
  pkgs,
  fonts,
  rc2nix,
  accentColourName,
  ...
}: {
  imports = [
    ../default.nix
    ./konsole.nix
  ];
  home.packages = with pkgs; [
    rc2nix
    wl-clipboard
    (papirus-icon-theme.override {color = "violet";})
  ];
  services.gpg-agent.pinentryPackage = pkgs.pinentry-qt;
  programs.plasma = {
    enable = true;
    overrideConfig = true;

    workspace = let
      toCapital = import ../lib/to_capital.nix lib;
    in {
      clickItemTo = "open";
      theme = "default";
      colorScheme = "Breeze${toCapital config.scheme.variant}";
      iconTheme = "Papirus-${toCapital config.scheme.variant}";
      windowDecorations = {
        library = "org.kde.breeze";
        theme = "Breeze";
      };
      cursor = {
        inherit (config.home.pointerCursor) size;
        theme = config.home.pointerCursor.name;
      };
      wallpaper = "${../wallpapers/landscapes/tropic_island_day.jpg}";
    };

    fonts = let
      general = {
        family = fonts.sansSerif.name;
        pointSize = 12;
      };
      small = {
        inherit (general) family;
        pointSize = general.pointSize - 2;
      };
      fixedWidth = {
        family = fonts.monospace.name;
        pointSize = 12;
      };
    in {
      inherit general small fixedWidth;
      menu = general;
      toolbar = general;
      windowTitle = small;
    };

    hotkeys.commands = {
      "launch-terminal" = let
        command = config.programs.plasma.configFile.kdeglobals.General.TerminalApplication.value;
      in {
        inherit command;
        name = "Launch ${command} emulator";
        key = "Ctrl+Alt+T";
      };
      "launch-emacs" = {
        name = "Launch Emacs Client Window";
        key = "Meta+Alt+X";
        command = "emacsclient -c";
      };
    };

    panels = [
      {
        height = 32;
        lengthMode = "fill";
        location = "bottom";
        alignment = "center";
        hiding = "normalpanel";
        floating = true;
        widgets = [
          {
            name = "org.kde.plasma.kickoff";
            config.General = {
              icon = "nix-snowflake";
              primaryActions = "0";
              favoritesDisplay = "0";
              applicationsDisplay = "1";
              pin = "false";
              showActionButtonCaptions = "true";
              compactMode = "false";
            };
          }
          {
            name = "org.kde.plasma.icontasks";
            config.General = {
              maxStripes = "1";
              showToolTips = "true";
              launchers = [
                "preferred://filemanager"
                "preferred://browser"
              ];
            };
          }
          {
            name = "org.kde.plasma.pager";
            config.General = {
              showWindowIcons = "true";
              showOnlyCurrentScreen = "false";
              wrapPage = "true";
            };
          }
          "org.kde.plasma.cameraindicator"
          {
            systemTray = {
              icons = {
                spacing = "small";
                scaleToFit = false;
              };
            };
          }
          {
            digitalClock = {
              date = {
                enable = true;
                format = "isoDate";
                position = "besideTime";
              };
              time = {
                format = "24h";
                showSeconds = "onlyInTooltip";
              };
              calendar.showWeekNumbers = true;
            };
          }
          {
            name = "org.kde.plasma.userswitcher";
            config.General = {
              showFace = "true";
              showName = "false";
              showFullName = "true";
              showTechnicalInfo = "true";
            };
          }
        ];
      }
    ];

    shortcuts = {
      ksmserver = {
        "Lock Session" = ["Screensaver" "Meta+Alt+L"];
      };
      kwin = {
        "Walk Through Windows of Current Application" = "Alt+`";
        "Walk Through Windows of Current Application (Reverse)" = "Alt+¬";
        "ToggleMouseClick" = "Meta+*";
        "Expose" = "Meta+,";
        "Switch Window Down" = "Meta+J";
        "Switch Window Left" = "Meta+H";
        "Switch Window Right" = "Meta+L";
        "Switch Window Up" = "Meta+K";
      };
      "services/org.kde.konsole.desktop"."_launch" = [];
      "services/org.kde.krunner.desktop"."_launch" = ["Meta+Space" "Search" "Alt+F2"];
    };

    kwin = {
      virtualDesktops = {
        rows = 1;
        number = 4;
      };
      effects = {
        translucency.enable = true;
        blur.enable = true;
        cube.enable = true;
        dimAdminMode.enable = true;
      };
    };

    configFile = {
      baloofilerc."Basic Settings"."Indexing-Enabled" = false;
      plasmanotifyrc.Notifications.NormalAlwaysOnTop = true;
      kcminputrc.Keyboard.NumLock = 1;
      krunnerrc.General.FreeFloating = true;
      kscreenlockerrc = {
        Daemon.Timeout = 15;
        Greeter.WallpaperPlugin = "org.kde.potd";
      };
      klipperrc = {
        General = {
          SyncClipboards = true;
          MaxClipItems = 5;
          IgnoreImages = false;
          KeepClipboardContents = false;
        };
      };
      kdeglobals = {
        General = let
          AccentColor = let
            r = config.scheme."${accentColourName}-rgb-r";
            g = config.scheme."${accentColourName}-rgb-g";
            b = config.scheme."${accentColourName}-rgb-b";
          in "${r}, ${g}, ${b}";
        in {
          inherit AccentColor;
          LastUsedCustomAccentColor = AccentColor;
          TerminalApplication =
            if config.programs.alacritty.enable
            then "alacritty"
            else "konsole";
          TerminalService =
            if config.programs.alacritty.enable
            then "Alacritty.desktop"
            else "org.kde.konsole.desktop";
        };
        WM = {
          # TODO convert to base16 colours at some point
          activeBackground = "227,229,231";
          activeBlend = "227,229,231";
          activeForeground = "35,38,41";
          inactiveBackground = "239,240,241";
          inactiveBlend = "239,240,241";
          inactiveForeground = "112,125,138";
        };
      };
      kwinrc = {
        Plugins = {
          frozenappEnabled = false;
          mouseclickEnabled = true;
          shakecursorEnabled = false;
        };
        Windows = {
          FocusPolicy = "FocusFollowsMouse";
          RollOverDesktops = true;
        };
        NightColor = {
          Active = true;
          Mode = "Location";
          LatitudeFixed = "51.7";
          LongitudeFixed = "-1.2";
        };
        "Effect-translucency" = {
          # Re-enable translucency when I can work out how to apply
          # blur to all windows
          Inactive = 100;
          MoveResize = 100;
          Dialogs = 100;
          ComboboxPopups = 100;
          Menus = 100;
        };
        "org.kde.kdecoration2" = {
          BorderSize = "None";
          BorderSizeAuto = "false";
        };
      };
    };
  };
}