From f103d343b012a5c002f7110302c62b1d2c6f0931 Mon Sep 17 00:00:00 2001
From: Minijackson <minijackson@riseup.net>
Date: Sun, 18 Dec 2022 16:10:24 +0100
Subject: gtk: add gtk3 theme

---
 usecases/desktop/graphical/gtk.nix | 28 +++++++++++++++++++++++++++-
 1 file changed, 27 insertions(+), 1 deletion(-)

(limited to 'usecases/desktop/graphical/gtk.nix')

diff --git a/usecases/desktop/graphical/gtk.nix b/usecases/desktop/graphical/gtk.nix
index 4a9f501..0151492 100644
--- a/usecases/desktop/graphical/gtk.nix
+++ b/usecases/desktop/graphical/gtk.nix
@@ -4,6 +4,32 @@ inputs: {
   pkgs,
   ...
 }: let
+  gtk3Colors = ./gtk-colors.scss;
+
+  gtk3CssFile =
+    pkgs.stdenv.mkDerivation ({
+      name = "gtk3.css";
+
+      src = pkgs.gtk3.src;
+
+      nativeBuildInputs = with pkgs; [sassc];
+
+      patchPhase = ''
+        cp -f ${gtk3Colors} gtk/theme/Adwaita/_colors.scss
+        substituteAllInPlace gtk/theme/Adwaita/_colors.scss
+      '';
+
+      dontConfigure = true;
+      dontInstall = true;
+
+      buildPhase = ''
+        sassc -a -M -t expanded gtk/theme/Adwaita/gtk-contained-dark.scss $out
+        # These lines contains includes of assets
+        sed -i -e '/-gtk-icon/d' $out;
+      '';
+    }
+    // config.theme.colors);
+
   gtk4NamedColors = with config.theme.colors; {
     # From the main CSS
     # -----------------
@@ -94,7 +120,7 @@ in {
     };
 
     xdg.configFile = {
-      # "gtk-3.0/gtk.css".source = gtkCssFile;
+      "gtk-3.0/gtk.css".source = gtk3CssFile;
       "gtk-4.0/gtk.css".source = gtk4CssFile;
     };
   };
-- 
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