134 lines
3.2 KiB
Nix
134 lines
3.2 KiB
Nix
{
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config,
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pkgs,
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lib,
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...
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}:
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with lib;
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let
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cfg = config.desktop.theming.background;
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in
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{
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options.desktop.theming.background = {
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image = {
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url = mkOption {
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type = types.str;
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default = "https://raw.githubusercontent.com/dharmx/walls/refs/heads/main/digital/a_drawing_of_a_spider_on_a_white_surface.png";
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description = "URL to the background image.";
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};
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hash = mkOption {
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type = types.str;
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default = "sha256-eCEjM7R9yeHNhZZtvHjrgkfwT25JA7FeMoVwnQ887CQ=";
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description = "SHA256 hash of the background image.";
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};
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};
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themed = mkEnableOption "themed background";
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inverted = mkEnableOption "invert background";
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};
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config =
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with pkgs;
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let
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src = pkgs.fetchurl {
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url = cfg.image.url;
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hash = cfg.image.hash;
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};
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theme = writeTextFile {
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name = "gowall-theme";
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text = builtins.toJSON {
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name = "NixOS";
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colors =
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let
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colors = config.desktop.theming.schemeColors;
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in
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[
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"#${colors.base00}"
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"#${colors.base01}"
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"#${colors.base02}"
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"#${colors.base03}"
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"#${colors.base04}"
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"#${colors.base05}"
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"#${colors.base06}"
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"#${colors.base07}"
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"#${colors.base08}"
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"#${colors.base09}"
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"#${colors.base0A}"
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"#${colors.base0B}"
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"#${colors.base0C}"
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"#${colors.base0D}"
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"#${colors.base0E}"
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"#${colors.base0F}"
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];
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};
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executable = true;
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};
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fileExtension =
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name:
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let
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parts = splitString "." name;
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in
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if length parts > 1 then lists.last parts else "";
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fileName =
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name:
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let
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parts = splitString "/" name;
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in
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if length parts > 1 then lists.last parts else name;
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image = fileName cfg.image.url;
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background-themed = stdenv.mkDerivation {
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name = "background-themed-1.0.0";
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src = src;
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buildInputs = [
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gowall
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imagemagick
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(writeShellScriptBin "xdg-open" "")
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tree
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];
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unpackPhase = ''
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cp ${src} ./${image}
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chmod u+w ./${image}
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'';
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buildPhase = ''
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${optionalString cfg.inverted ''
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convert ./${image} -channel RGB -negate ./${image}
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''}
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${optionalString cfg.themed ''
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cp ${theme} ./theme.json
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export HOME=$PWD
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gowall convert ./${image} --output themed -t ./theme.json
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tree
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mv ./themed/*.* ./
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''}
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mv ./${image} themed.${fileExtension image}
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${optionalString (fileExtension image != "png") ''
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mogrify -format png themed.*
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''}
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'';
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installPhase = ''
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install -Dm644 -t $out themed.png
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'';
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};
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in
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{
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services.wpaperd = {
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enable = true;
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settings.default = {
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path = "${background-themed}/";
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mode = "center";
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};
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};
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};
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}
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