stylix/modules/kde/hm.nix

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

with config.stylix.fonts;
with config.lib.stylix.colors;

let
  colors = {
    BackgroundNormal = "${base00-rgb-r},${base00-rgb-g},${base00-rgb-b}";
    BackgroundAlternate = "${base01-rgb-r},${base01-rgb-g},${base01-rgb-b}";

    DecorationFocus = "${base01-rgb-r},${base01-rgb-g},${base01-rgb-b}";
    DecorationHover = "${base01-rgb-r},${base01-rgb-g},${base01-rgb-b}";

    ForegroundNormal = "${base05-rgb-r},${base05-rgb-g},${base05-rgb-b}";
    ForegroundActive = "${base05-rgb-r},${base05-rgb-g},${base05-rgb-b}";
    ForegroundInactive = "${base05-rgb-r},${base05-rgb-g},${base05-rgb-b}";
    ForegroundLink = "${base05-rgb-r},${base05-rgb-g},${base05-rgb-b}";
    ForegroundNegative = "${base08-rgb-r},${base08-rgb-g},${base08-rgb-b}";
    ForegroundNeutral = "${base0D-rgb-r},${base0D-rgb-g},${base0D-rgb-b}";
    ForegroundPositive = "${base0B-rgb-r},${base0B-rgb-g},${base0B-rgb-b}";
    ForegroundVisited = "${base05-rgb-r},${base05-rgb-g},${base05-rgb-b}";
  };

  colorEffect = {
    ColorEffect = 0;
    ColorAmount = 0;

    ContrastEffect = 1;
    ContrastAmount = 0.5;

    IntensityEffect = 0;
    IntensityAmount = 0;
  };

  icons = {
    Animated = false;

    ActiveColor = "${base0A-rgb-r},${base0A-rgb-g},${base0A-rgb-b}";
    ActiveColor2 = "${base0A-rgb-r},${base0A-rgb-g},${base0A-rgb-b}";
    ActiveEffect = "none";
    ActiveSemiTransparent = false;
    ActiveValue = 1;

    DefaultColor = "${base05-rgb-r},${base05-rgb-g},${base05-rgb-b}";
    DefaultColor2 = "${base05-rgb-r},${base05-rgb-g},${base05-rgb-b}";
    DefaultEffect = "none";
    DefaultSemiTransparent = false;
    DefaultValue = 1;

    DisabledColor = "${base03-rgb-r},${base03-rgb-g},${base03-rgb-b}";
    DisabledColor2 = "${base03-rgb-r},${base03-rgb-g},${base03-rgb-b}";
    DisabledEffect = "none";
    DisabledSemiTransparent = true;
    DisabledValue = 1;
  };

  desktopFont = "${sansSerif.name},${toString sizes.desktop},-1,5,50,0,0,0,0,0";
  applicationFont = "${sansSerif.name},${toString sizes.applications},-1,5,50,0,0,0,0,0";
  monospaceFont = "${monospace.name},${toString sizes.terminal},-1,5,50,0,0,0,0,0";

  kdeglobals = {
    # The existence of this group makes the following settings unable to
    # be changed by the user, as specified at
    # https://develop.kde.org/docs/administration/kiosk/introduction/
    "$i" = {};

    General = {
      Name = scheme-name;
      ColorScheme = "Breeze";
      widgetStyle = "Oxygen";

      inherit desktopFont;
      fixed = monospaceFont;
      font = applicationFont;
      menuFont = desktopFont;
      taskbarFont = desktopFont;
      toolBarFont = desktopFont;
      smallestReadableFont = desktopFont;
    };

    "ColorEffects:Disabled" = colorEffect;
    "ColorEffects:Inactive" = colorEffect;

    "Colors:Button" = colors;
    "Colors:Complementary" = colors;
    "Colors:Selection" = colors // {
      BackgroundNormal = "${base01-rgb-r},${base01-rgb-g},${base01-rgb-b}";
    };
    "Colors:Tooltip" = colors;
    "Colors:View" = colors;
    "Colors:Window" = colors;

    WM = {
      activeBlend = "${base0A-rgb-r},${base0A-rgb-g},${base0A-rgb-b}";
      activeBackground = "${base00-rgb-r},${base00-rgb-g},${base00-rgb-b}";
      activeForeground = "${base05-rgb-r},${base05-rgb-g},${base05-rgb-b}";
      inactiveBlend = "${base03-rgb-r},${base03-rgb-g},${base03-rgb-b}";
      inactiveBackground = "${base00-rgb-r},${base00-rgb-g},${base00-rgb-b}";
      inactiveForeground = "${base05-rgb-r},${base05-rgb-g},${base05-rgb-b}";

      activeFont = desktopFont;
    };

    DesktopIcons = icons;
    MainToolbarIcons = icons;
    PanelIcons = icons;
    SmallIcons = icons;
    ToolbarIcons = icons;
  };

in {
  options.stylix.targets.kde.enable =
    config.lib.stylix.mkEnableTarget "KDE" true;

  config = lib.mkIf config.stylix.targets.kde.enable {
    qt = {
      enable = true;
      style.name = "breeze";
    };

    xdg.configFile."system.kdeglobals".source =
      (pkgs.formats.ini {}).generate "kdeglobals" kdeglobals;

    home.activation.kdeWallpaper = lib.hm.dag.entryAfter ["writeBoundary"] ''
      $DRY_RUN_CMD ${pkgs.libsForQt5.kconfig.bin}/bin/kwriteconfig5 \
        --file "$HOME/.config/plasma-org.kde.plasma.desktop-appletsrc" \
        --group 'Containments' \
        --group '1' \
        --key 'wallpaperplugin' \
        'org.kde.image'

      $DRY_RUN_CMD ${pkgs.libsForQt5.kconfig.bin}/bin/kwriteconfig5 \
        --file "$HOME/.config/plasma-org.kde.plasma.desktop-appletsrc" \
        --group 'Containments' \
        --group '1' \
        --group 'Wallpaper' \
        --group 'org.kde.image' \
        --group 'General' \
        --key 'Image' \
        ${lib.escapeShellArg config.stylix.image}

      $DRY_RUN_CMD ${pkgs.libsForQt5.kconfig.bin}/bin/kwriteconfig5 \
        --file "$HOME/.config/kscreenlockerrc" \
        --group 'Greeter' \
        --group 'Wallpaper' \
        --group 'org.kde.image' \
        --group 'General' \
        --key 'Image' \
        ${lib.escapeShellArg config.stylix.image}
    '';
  };
}