add gtk theming

1 files changed, 50 insertions, 0 deletions

diff --git a/home/gtk/default.nix b/home/gtk/default.nix
new file mode 100644
index 0000000..086f8d1
--- /dev/null
+++ b/home/gtk/default.nix
@@ -0,0 +1,50 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}: let
+  baseCss = ''
+    @define-color text #${config.theme.colors.text};
+    @define-color subtext #${config.theme.colors.subtext};
+
+    @define-color base #${config.theme.colors.base};
+    @define-color surface #${config.theme.colors.surface};
+    @define-color overlay #${config.theme.colors.overlay};
+
+    @define-color primary #${config.theme.colors.primary};
+    @define-color success #${config.theme.colors.success};
+    @define-color warning #${config.theme.colors.warning};
+    @define-color error #${config.theme.colors.error};
+
+    @define-color black #${config.theme.colors.bright.black};
+    @define-color red #${config.theme.colors.bright.red};
+    @define-color green #${config.theme.colors.bright.green};
+    @define-color yellow #${config.theme.colors.bright.yellow};
+    @define-color blue #${config.theme.colors.bright.blue};
+    @define-color magenta #${config.theme.colors.bright.magenta};
+    @define-color cyan #${config.theme.colors.bright.cyan};
+    @define-color white #${config.theme.colors.bright.white};
+    @define-color pink #${config.theme.colors.bright.pink};
+    @define-color orange #${config.theme.colors.bright.orange};
+  '';
+  finalCss = pkgs.runCommandLocal "gtk.css" {} ''
+    echo ${lib.escapeShellArg baseCss} >>$out
+    cat ${./gtk.css} >>$out
+  '';
+in {
+  home-manager.users.${config.user} = {
+    gtk = {
+      enable = true;
+      theme = {
+        package = pkgs.adw-gtk3;
+        name = "adw-gtk3";
+      };
+    };
+
+    xdg.configFile = {
+      "gtk-3.0/gtk.css".source = finalCss;
+      "gtk-4.0/gtk.css".source = finalCss;
+    };
+  };
+}