Zathura: Use color HM module + update configuration

RgbString: e.g. "24,155,213"
Rgb:       e.g. [24 155 213]

home/modules/color/default.nix

@@ -45,20 +45,47 @@ in {
     lightDefs = import ./schemes/${color.lightScheme}.nix;
     darkDefs = import ./schemes/${color.darkScheme}.nix;
 
-    mkLightColorAssignment = key: {${key} = lightDefs.${key};};
-    mkDarkColorAssignment = key: {${key} = darkDefs.${key};};
+    mkColorAssignment = defs: key: {${key} = defs.${key};};
+    mkRgbColorAssignment = defs: key: {${key} = mylib.color.hexToRGB defs.${key};};
+    mkRgbStringColorAssignment = defs: key: {${key} = mylib.color.hexToRGBString "," defs.${key};};
   in
     lib.mkIf color.enable {
       # This module sets its own options
       # to the values specified in a colorscheme file.
-      modules.color.light = lib.pipe colorKeys [
-        (builtins.map mkLightColorAssignment)
-        lib.mergeAttrsList
-      ];
+      modules.color = {
+        light = lib.pipe colorKeys [
+          (builtins.map (mkColorAssignment lightDefs))
+          lib.mergeAttrsList
+        ];
 
-      modules.color.dark = lib.pipe colorKeys [
-        (builtins.map mkDarkColorAssignment)
-        lib.mergeAttrsList
-      ];
+        dark = lib.pipe colorKeys [
+          (builtins.map (mkColorAssignment darkDefs))
+          lib.mergeAttrsList
+        ];
+
+        rgb = {
+          light = lib.pipe colorKeys [
+            (builtins.map (mkRgbColorAssignment lightDefs))
+            lib.mergeAttrsList
+          ];
+
+          dark = lib.pipe colorKeys [
+            (builtins.map (mkRgbColorAssignment darkDefs))
+            lib.mergeAttrsList
+          ];
+        };
+
+        rgbString = {
+          light = lib.pipe colorKeys [
+            (builtins.map (mkRgbStringColorAssignment lightDefs))
+            lib.mergeAttrsList
+          ];
+
+          dark = lib.pipe colorKeys [
+            (builtins.map (mkRgbStringColorAssignment darkDefs))
+            lib.mergeAttrsList
+          ];
+        };
+      };
     };
 }

home/modules/color/options.nix

@@ -62,4 +62,14 @@ in
       type = types.attrs;
       description = "Colors belonging to the selected dark scheme";
     };
+
+    rgbString = mkOption {
+      type = types.attrs;
+      description = "Colors belonging to the selected light scheme in 'RR,GG,BB' format";
+    };
+
+    rgb = mkOption {
+      type = types.attrs;
+      description = "Colors belonging to the selected light scheme in '[RR GG BB]' format";
+    };
   }

home/modules/rofi/default.nix

@@ -34,17 +34,14 @@ in {
         sidebar-mode = false;
       };
 
-      # bg-col: rgba(239, 241, 245, 60%);
       theme = let
         inherit (config.lib.formats.rasi) mkLiteral;
-
-        mkColor = color: mkLiteral "#{color}";
       in {
         "*" = {
-          bg = mkLiteral "rgba(239, 241, 245, 0.3)";
+          bg = mkLiteral "rgba(${color.rgbString.light.base}, 0.3)";
           hl = mkLiteral "#${color.dark.lavender}";
           text = mkLiteral "#${color.dark.base}";
-          trans = mkLiteral "rgba(255, 255, 255, 0)";
+          trans = mkLiteral "rgba(0, 0, 0, 0)";
         };
 
         "element-text,element-icon,mode-switcher" = {
@@ -121,7 +118,7 @@ in {
           margin = 0;
           background-color = mkLiteral "@trans";
           text-color = mkLiteral "@text";
-          border-radius = 3;
+          # border-radius = 3;
         };
 
         "element-icon" = {

home/modules/waybar/default.nix

@@ -97,7 +97,7 @@ in {
           border-color: #${color.dark.lavender};
 
           /*Can't use color.light.base here because waybar doesn't support rrggbbaa :(*/
-          background-color: rgba(239, 241, 245, 0.3);
+          background-color: rgba(${color.rgbString.light.base}, 0.3);
         }
 
         /*Colors*/
@@ -105,7 +105,7 @@ in {
         #user                     {background-color: #${color.dark.pink};}
         #window                   {background-color: #${color.dark.mauve};}
         #workspaces button        {background-color: #${color.dark.lavender};}
-        #workspaces button.active {background-color: #${color.dark.sapphire};}
+        #workspaces button.active {background-color: #${color.dark.pink};}
         #pulseaudio               {background-color: #${color.dark.maroon};}
         #network                  {background-color: #${color.dark.peach};}
         #cpu                      {background-color: #${color.dark.yellow};}

home/modules/zathura/default.nix

@@ -4,7 +4,7 @@
   mylib,
   ...
 }: let
-  inherit (config.modules) zathura;
+  inherit (config.modules) zathura color;
 in {
   options.modules.zathura = import ./options.nix {inherit lib mylib;};
 
@@ -12,47 +12,56 @@ in {
     programs.zathura = {
       enable = true;
 
-      # TODO: Set database backend
-      # TODO: Use color module
-      options = {
-        # Catppuccin Latte
-        default-fg = "#4C4F69";
-        default-bg = "#EFF1F5";
+      options = rec {
+        n-completion-items = 10;
+        font = "${color.font} 11";
+        guioptions = "s"; # s - statusbar, c - command line
+        database = "sqlite";
+        adjust-open = "best-fit";
+        recolor-keephue = true;
+        statusbar-basename = true;
+        statusbar-home-tilde = true;
+        window-title-basename = statusbar-basename;
+        window-title-home-tilde = statusbar-home-tilde;
 
-        completion-bg = "#CCD0DA";
-        completion-fg = "#4C4F69";
-        completion-highlight-bg = "#575268";
-        completion-highlight-fg = "#4C4F69";
-        completion-group-bg = "#CCD0DA";
-        completion-group-fg = "#1E66F5";
+        # Colorscheme
+        default-bg = "#${color.light.base}";
+        default-fg = "#${color.light.text}";
 
-        statusbar-fg = "#4C4F69";
-        statusbar-bg = "#CCD0DA";
+        highlight-color = "rgba(${color.rgbString.dark.lavender}, 0.5)";
+        highlight-fg = "rgba(${color.rgbString.dark.green}, 0.5)";
+        highlight-active-color = "rgba(${color.rgbString.dark.pink}, 0.5)";
 
-        notification-bg = "#CCD0DA";
-        notification-fg = "#4C4F69";
-        notification-error-bg = "#CCD0DA";
-        notification-error-fg = "#D20F39";
-        notification-warning-bg = "#CCD0DA";
-        notification-warning-fg = "#FAE3B0";
+        statusbar-bg = "#${color.dark.lavender}";
+        statusbar-fg = default-fg;
 
-        inputbar-fg = "#4C4F69";
-        inputbar-bg = "#CCD0DA";
+        inputbar-bg = statusbar-bg;
+        inputbar-fg = statusbar-fg;
 
-        recolor-lightcolor = "#EFF1F5";
-        recolor-darkcolor = "#4C4F69";
+        completion-bg = "#${color.light.surface0}";
+        completion-fg = default-fg;
+        completion-highlight-bg = statusbar-bg;
+        completion-highlight-fg = completion-fg;
+        completion-group-bg = completion-bg;
+        completion-group-fg = completion-fg;
 
-        index-fg = "#4C4F69";
-        index-bg = "#EFF1F5";
-        index-active-fg = "#4C4F69";
-        index-active-bg = "#CCD0DA";
+        notification-bg = completion-bg;
+        notification-fg = default-fg;
+        notification-warning-bg = notification-bg;
+        notification-warning-fg = "#${color.light.peach}";
+        notification-error-bg = notification-bg;
+        notification-error-fg = "#${color.light.red}";
 
-        render-loading-bg = "#EFF1F5";
-        render-loading-fg = "#4C4F69";
+        recolor-lightcolor = default-bg;
+        recolor-darkcolor = default-fg;
 
-        highlight-color = "#575268";
-        highlight-fg = "#EA76CB";
-        highlight-active-color = "#EA76CB";
+        index-bg = default-bg;
+        index-fg = default-fg;
+        index-active-bg = completion-highlight-bg;
+        index-active-fg = completion-highlight-fg;
+
+        render-loading-bg = default-bg;
+        render-loading-fg = default-fg;
       };
     };
   };

lib/color.nix

@@ -0,0 +1,133 @@
+{
+  inputs,
+  pkgs,
+  lib,
+  ...
+}: let
+  # This code was blatantly stolen from here:
+  # https://github.com/Misterio77/nix-colors/blob/b92df8f5eb1fa20d8e09810c03c9dc0d94ef2820/lib/core/conversions.nix#L87
+  hexToDecMap = {
+    "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;
+  };
+
+  pow = base: exponent: let
+    inherit (lib) mod;
+  in
+    if exponent > 1
+    then let
+      x = pow base (exponent / 2);
+      odd_exp = mod exponent 2 == 1;
+    in
+      x
+      * x
+      * (
+        if odd_exp
+        then base
+        else 1
+      )
+    else if exponent == 1
+    then base
+    else if exponent == 0 && base == 0
+    then throw "undefined"
+    else if exponent == 0
+    then 1
+    else throw "undefined";
+
+  base16To10 = exponent: scalar: scalar * (pow 16 exponent);
+
+  hexCharToDec = hex: let
+    inherit (lib) toLower;
+    lowerHex = toLower hex;
+  in
+    if builtins.stringLength hex != 1
+    then throw "Function only accepts a single character."
+    else if hexToDecMap ? ${lowerHex}
+    then hexToDecMap."${lowerHex}"
+    else throw "Character ${hex} is not a hexadecimal value.";
+in rec {
+  /*
+  Converts from hexadecimal to decimal.
+
+    Type: hexToDec :: string -> int
+
+    Args:
+      hex: A hexadecimal string.
+
+    Example:
+      hexadecimal "12"
+      => 18
+      hexadecimal "FF"
+      => 255
+      hexadecimal "abcdef"
+      => 11259375
+  */
+  hexToDec = hex: let
+    inherit (lib) stringToCharacters reverseList imap0 foldl;
+    decimals = builtins.map hexCharToDec (stringToCharacters hex);
+    decimalsAscending = reverseList decimals;
+    decimalsPowered = imap0 base16To10 decimalsAscending;
+  in
+    foldl builtins.add 0 decimalsPowered;
+
+  /*
+  Converts a 6 character hexadecimal string to RGB values.
+
+  Type: hexToRGB :: string => [int]
+
+  Args:
+    hex: A hexadecimal string of length 6.
+
+  Example:
+    hexToRGB "012345"
+    => [ 1 35 69 ]
+    hexToRGB "abcdef"
+    => [171 205 239 ]
+    hexToRGB "000FFF"
+    => [ 0 15 255 ]
+  */
+  hexToRGB = hex: let
+    rgbStartIndex = [0 2 4];
+    hexList = builtins.map (x: builtins.substring x 2 hex) rgbStartIndex;
+    hexLength = builtins.stringLength hex;
+  in
+    if hexLength != 6
+    then
+      throw ''
+        Unsupported hex string length of ${builtins.toString hexLength}.
+        Length must be exactly 6.
+      ''
+    else builtins.map hexToDec hexList;
+
+  /*
+  Converts a 6 character hexadecimal string to an RGB string seperated by a
+  delimiter.
+
+  Type: hexToRGBString :: string -> string
+
+  Args:
+    sep: The delimiter or seperator.
+    hex: A hexadecimal string of length 6.
+  */
+  hexToRGBString = sep: hex: let
+    inherit (builtins) map toString;
+    inherit (lib) concatStringsSep;
+    hexInRGB = hexToRGB hex;
+    hexInRGBString = map toString hexInRGB;
+  in
+    concatStringsSep sep hexInRGBString;
+}

lib/default.nix

@@ -12,4 +12,5 @@
   networking = import ./networking.nix {inherit inputs pkgs lib;};
   rofi = import ./rofi.nix {inherit inputs pkgs lib;};
   generators = import ./generators.nix {inherit inputs pkgs lib;};
+  color = import ./color.nix {inherit inputs pkgs lib;};
 }