{lib, ...}: let # convert rrggbb hex to rgba(r, g, b, a) rgba = c: let r = toString (hexToDec (builtins.substring 0 2 c)); g = toString (hexToDec (builtins.substring 2 2 c)); b = toString (hexToDec (builtins.substring 4 2 c)); in "rgba(${r}, ${g}, ${b}, .5)"; # Helper function to convert hex color to decimal RGB values hexToDec = v: let hexToInt = { "0" = 0; "1" = 1; "2" = 2; "3" = 3; "4" = 4; "5" = 5; "6" = 6; "7" = 7; "8" = 8; "9" = 9; "a" = 10; "b" = 11; "c" = 12; "d" = 13; "e" = 14; "f" = 15; "A" = 10; "B" = 11; "C" = 12; "D" = 13; "E" = 14; "F" = 15; }; chars = lib.strings.stringToCharacters v; in lib.foldl' (a: v: a + v) 0 (lib.imap (k: v: hexToInt."${v}" * (pow 16 (builtins.length chars - k - 1))) chars); # Power function for exponentiation pow = base: exponent: lib.foldl' (acc: _: acc * base) 1 (lib.range 1 exponent); # Converts hex color to KDE color format colorToKde = name: hexColor: let r = hexToDec (builtins.substring 0 2 hexColor); g = hexToDec (builtins.substring 2 2 hexColor); b = hexToDec (builtins.substring 4 2 hexColor); in "[${name}]\nColor=${toString r},${toString g},${toString b}\n"; # Mapping base16 colors to KDE color scheme sections schemeToKonsole = scheme: let inherit (scheme) palette; colorMap = { base00 = ["Background" "BackgroundFaint" "BackgroundIntense"]; base01 = ["Color0"]; base02 = ["Color0Intense"]; base04 = ["Color4"]; base05 = ["Foreground" "ForegroundFaint" "ForegroundIntense"]; base06 = ["Color7"]; base07 = ["Color7Intense"]; base08 = ["Color1" "Color1Intense"]; base09 = ["Color1Intense"]; base0A = ["Color3" "Color3Intense"]; base0B = ["Color2" "Color2Intense"]; base0C = ["Color6" "Color6Intense"]; base0D = ["Color4" "Color4Intense"]; base0E = ["Color5" "Color5Intense"]; }; colorSections = lib.concatStringsSep "\n" (lib.attrsets.mapAttrsToList (name: value: lib.concatMapStrings (slot: colorToKde slot value) (colorMap.${name} or [])) palette); in lib.concatStringsSep "\n" [ "[General]" "Description=${scheme.name}" "Opacity=1" "Wallpaper=" colorSections ]; # Create a KDE konsole color scheme from base16 colors mkKonsoleColorScheme = pkgs: scheme: pkgs.writeText "${scheme.name}.colorscheme" (schemeToKonsole scheme); in { inherit mkKonsoleColorScheme rgba; }