144 lines
4 KiB
Nix
144 lines
4 KiB
Nix
{ pkgs, config, lib, ... }:
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with config.scheme.withHashtag;
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let
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fontProfiles = {
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enable = true;
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monospace = {
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family = "FiraCode Nerd Font";
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package = pkgs.nerdfonts.override { fonts = [ "FiraCode" ]; };
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};
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regular = {
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family = "Fira Sans";
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package = pkgs.fira;
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};
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};
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# See [this file](https://github.com/danth/stylix/blob/master/stylix/pixel.nix)
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# Generate a PNG image containing a named color
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pixel = color:
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pkgs.runCommand "${color}-pixel.png"
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{
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color = config.scheme.withHashtag.${color};
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} "${pkgs.imagemagick}/bin/convert xc:$color png32:$out";
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# Grub requires fonts to be converted to "PFF2 format"
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# This function takes a font { name, package } and produces a .pf2 file
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mkGrubFont = font:
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pkgs.runCommand "${font.package.name}.pf2"
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{
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FONTCONFIG_FILE =
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pkgs.makeFontsConf { fontDirectories = [ font.package ]; };
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} ''
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# Use fontconfig to select the correct .ttf or .otf file based on name
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font=$(
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${pkgs.fontconfig}/bin/fc-match -v "${font.family}" \
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| grep "file:" | cut -d '"' -f 2
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)
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# Convert to .pf2
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${pkgs.grub2}/bin/grub-mkfont $font --output $out --size 17
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'';
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in
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{
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options.boot.loader.grub.base16 = {
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enable = lib.mkOption {
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description = "Whether to generate base16 grub theme";
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type = lib.types.bool;
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default = false;
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};
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useImage = lib.mkOption {
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description = "Whether to use your wallpaper image as the GRUB background.";
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type = lib.types.bool;
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default = false;
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};
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};
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config.boot.loader.grub = lib.mkIf config.boot.loader.grub.base16.enable {
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backgroundColor = base00;
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# Need to override the NixOS splash, this will match the background
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splashImage = pixel "base00";
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# This font will be used for the GRUB terminal
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font = toString (mkGrubFont fontProfiles.monospace);
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# TODO: Include OS icons
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theme =
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let font = fontProfiles.regular;
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in
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pkgs.runCommand "stylix-grub"
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{
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themeTxt = ''
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desktop-image: "background.png"
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desktop-image-scale-method: "crop"
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desktop-color: "${base00}"
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title-text: ""
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terminal-left: "10%"
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terminal-top: "20%"
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terminal-width: "80%"
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terminal-height: "60%"
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+ progress_bar {
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left = 25%
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top = 80%+20 # 20 pixels below boot menu
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width = 50%
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height = 30
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id = "__timeout__"
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show_text = true
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font = "${font.family}"
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text = "@TIMEOUT_NOTIFICATION_MIDDLE@"
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border_color = "${base00}"
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bg_color = "${base00}"
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fg_color = "${base0B}"
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text_color = "${base05}"
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}
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+ boot_menu {
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left = 25%
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top = 20%
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width = 50%
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height = 60%
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menu_pixmap_style = "background_*.png"
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item_height = 40
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item_icon_space = 8
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item_spacing = 0
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item_padding = 0
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item_font = "${font.family}"
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item_color = "${base05}"
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selected_item_color = "${base01}"
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selected_item_pixmap_style = "selection_*.png"
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}
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'';
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passAsFile = [ "themeTxt" ];
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} ''
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mkdir $out
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cp $themeTxtPath $out/theme.txt
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${if config.boot.loader.grub.base16.useImage
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# Make sure the background image is .png by asking to convert it
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then
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# TODO: this doesn't work because I have no wallpaper module
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"${pkgs.imagemagick}/bin/convert ${config.stylix.image} png32:$out/background.png"
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else
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"cp ${pixel "base00"} $out/background.png"}
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cp ${pixel "base01"} $out/background_c.png
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cp ${pixel "base0B"} $out/selection_c.png
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cp ${mkGrubFont font} $out/sans_serif.pf2
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'';
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};
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}
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