1 files changed, 101 insertions, 0 deletions

diff --git a/usecases/desktop/graphical/gtk.nix b/usecases/desktop/graphical/gtk.nix
new file mode 100644
index 0000000..4a9f501
--- /dev/null
+++ b/usecases/desktop/graphical/gtk.nix
@@ -0,0 +1,101 @@
+inputs: {
+  config,
+  lib,
+  pkgs,
+  ...
+}: let
+  gtk4NamedColors = with config.theme.colors; {
+    # From the main CSS
+    # -----------------
+
+    # TODO: 2 and 4
+
+    blue_1 = fadedBlue;
+    blue_3 = neutralBlue;
+    blue_5 = brightBlue;
+
+    green_1 = fadedGreen;
+    green_3 = neutralGreen;
+    green_5 = brightGreen;
+
+    yellow_1 = fadedYellow;
+    yellow_3 = neutralYellow;
+    yellow_5 = brightYellow;
+
+    orange_1 = fadedOrange;
+    orange_3 = neutralOrange;
+    orange_5 = brightOrange;
+
+    red_1 = fadedRed;
+    red_3 = neutralRed;
+    red_5 = brightRed;
+
+    purple_1 = fadedMagenta;
+    purple_3 = neutralMagenta;
+    purple_5 = brightMagenta;
+
+    # TODO: brown
+
+    # From the dark theme CSS
+    # -----------------------
+
+    # TODO: bright dominant
+    accent_color = "#8ec07c";
+    destructive_color = neutralOrange;
+    error_color = neutralOrange;
+
+    warning_bg_color = neutralYellow;
+
+    view_bg_color = background0;
+    view_fg_color = foreground;
+
+    window_bg_color = background1;
+    window_fg_color = foreground;
+
+    headerbar_bg_color = softBackground;
+    headerbar_fg_color = foreground;
+
+    dialog_bg_color = background2;
+    dialog_fg_color = foreground;
+
+    popover_bg_color = background2;
+    popover_fg_color = foreground;
+  };
+
+  gtk4Css = lib.concatStringsSep "\n" (lib.mapAttrsToList
+    (name: value: "@define-color ${name} ${value};")
+    gtk4NamedColors);
+
+  gtk4CssFile = pkgs.writeText "gtk4.css" gtk4Css;
+in {
+  home-manager.users.minijackson = {
+    gtk = {
+      enable = true;
+      iconTheme = {
+        # TODO: properly modify the colors
+        package = pkgs.unstable.tela-circle-icon-theme.override {
+          colorVariants = ["brown"];
+        };
+        name = "Tela-circle-brown-dark";
+      };
+
+      theme = {
+        package = pkgs.gnome.gnome-themes-extra;
+        name = "Adwaita-dark";
+      };
+
+      gtk3.extraConfig.gtk-application-prefer-dark-theme = true;
+    };
+
+    dconf.settings = {
+      "org/gnome/desktop/interface" = {
+        color-scheme = "prefer-dark";
+      };
+    };
+
+    xdg.configFile = {
+      # "gtk-3.0/gtk.css".source = gtkCssFile;
+      "gtk-4.0/gtk.css".source = gtk4CssFile;
+    };
+  };
+}