From 375b1de2424aac1338ee6e8b4ef15976b64b0462 Mon Sep 17 00:00:00 2001
From: awwpotato <153149335+awwpotato@users.noreply.github.com>
Date: Tue, 22 Apr 2025 07:28:44 -0700
Subject: [PATCH] gtk: warn about non-functional gtk.gtk{3,4}.extraCss options
 (#1153)

Link: https://github.com/danth/stylix/pull/1153

Co-authored-by: NAHO <90870942+trueNAHO@users.noreply.github.com>
Reviewed-by: NAHO <90870942+trueNAHO@users.noreply.github.com>
---
 modules/gtk/hm.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/modules/gtk/hm.nix b/modules/gtk/hm.nix
index 3a6fb22c..30facead 100644
--- a/modules/gtk/hm.nix
+++ b/modules/gtk/hm.nix
@@ -41,6 +41,10 @@ in
   config = lib.mkIf cfg.enable (
     lib.mkMerge [
       {
+        warnings =
+          lib.optional (config.gtk.gtk3.extraCss == "" && config.gtk.gtk4.extraCss == "")
+            "stylix: `gtk.gtk3.extraCss` and `gtk.gtk4.extraCss` have no effect. Use `stylix.targets.gtk.extraCss` instead.";
+
         # programs.dconf.enable = true; required in system config
         gtk = {
           enable = true;