From 8c285dd7dab36141e4032e6d4407734f63714753 Mon Sep 17 00:00:00 2001
From: Yan Lin <github@yanlincs.com>
Date: Sun, 26 Oct 2025 23:20:22 +0100
Subject: [PATCH] add qt app theme config

---
 modules/gnome.nix | 25 +++++++++++++++++++++++--
 1 file changed, 23 insertions(+), 2 deletions(-)

diff --git a/modules/gnome.nix b/modules/gnome.nix
index 4740d44..9be5b2c 100644
--- a/modules/gnome.nix
+++ b/modules/gnome.nix
@@ -128,15 +128,32 @@ in
     x11.enable = true;
   };
 
-  # Configure GTK icon theme
+  # Configure GTK theme and icon theme
   gtk = {
     enable = true;
+    theme = {
+      package = pkgs.gnome-themes-extra;
+      name = "Adwaita-dark";
+    };
     iconTheme = {
       package = pkgs.adwaita-icon-theme;
       name = "Adwaita";
     };
   };
 
+  # Configure Qt theming to match GNOME dark theme
+  qt = {
+    enable = true;
+    platformTheme.name = "adwaita";
+    style.name = "adwaita-dark";
+  };
+
+  # Environment variables for consistent dark mode across all applications
+  home.sessionVariables = {
+    GTK_THEME = "Adwaita:dark";
+    QT_QPA_PLATFORMTHEME = "adwaita";
+  };
+
   # Configure XDG user directories
   xdg.userDirs = {
     enable = true;
@@ -155,10 +172,14 @@ in
     templates = null;
   };
 
-  # GNOME Shell extensions
+  # GNOME Shell extensions and Qt theming packages
   home.packages = with pkgs; [
     gnomeExtensions.hide-top-bar
     gnomeExtensions.pano
+
+    # Qt theming packages for dark mode support
+    adwaita-qt
+    adwaita-qt6
   ];
 
   # Custom desktop file for opening text files with Neovim in Ghostty