flocon/lib/default.nix

98 lines
2.6 KiB
Nix

{
pkgs,
lib,
...
}: let
# 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;
charsLen = builtins.length chars;
in
lib.lists.foldl (a: v: a + v) 0
(lib.lists.imap0 (k: v: hexToInt."${v}" * (pow 16 (charsLen - k - 1))) chars);
# Power function for exponentiation
pow = let
pow' = base: exponent: value:
if exponent == 0
then 1
else if exponent <= 1
then value
else pow' base (exponent - 1) (value * base);
in
base: exponent: pow' base exponent base;
# Converts hex color to KDE color format
colorToKde = name: hexColor: let
r = hexToDec (builtins.substring 0 2 hexColor);
g = hexToDec (builtins.substring 2 2 hexColor);
b = hexToDec (builtins.substring 4 2 hexColor);
in "[${name}]\nColor=${toString r},${toString g},${toString b}\n";
# Mapping base16 colors to KDE color scheme sections
schemeToKonsole = scheme: let
inherit (scheme) palette;
colorMap = {
base00 = ["Background" "BackgroundFaint" "BackgroundIntense"];
base01 = ["Color0"];
base02 = ["Color0Intense"];
base04 = ["Color4"];
base05 = ["Foreground" "ForegroundFaint" "ForegroundIntense"];
base06 = ["Color7"];
base07 = ["Color7Intense"];
base08 = ["Color1" "Color1Intense"];
base09 = ["Color1Intense"];
base0A = ["Color3" "Color3Intense"];
base0B = ["Color2" "Color2Intense"];
base0C = ["Color6" "Color6Intense"];
base0D = ["Color4" "Color4Intense"];
base0E = ["Color5" "Color5Intense"];
};
# Generate KDE color sections using the mapped colors
colorSections = lib.concatStringsSep "\n" (lib.attrsets.mapAttrsToList
(
name: value:
lib.concatMapStrings (slot: colorToKde slot value) (colorMap.${name} or [])
)
palette);
in
lib.strings.concatStringsSep "\n" (
[
"[General]"
"\nDescription=${scheme.name}"
"\nOpacity=1"
"\nWallpaper="
]
++ [colorSections]
);
# Main function to create the KDE colorscheme file
mkKonsoleColorScheme = scheme:
pkgs.writeText "${scheme.name}.colorscheme" (schemeToKonsole scheme);
in {inherit mkKonsoleColorScheme;}