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