From 185874df63be2dec1988f652b2bed7e4b104d431 Mon Sep 17 00:00:00 2001
From: Lily Foster <lily@lily.flowers>
Date: Sun, 15 Jan 2023 22:08:47 -0500
Subject: [PATCH] nixos/qt: set QT_PLUGIN_PATH and QML2_IMPORT_PATH when
 enabled

---
 nixos/modules/config/qt.nix | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/nixos/modules/config/qt.nix b/nixos/modules/config/qt.nix
index 35defb8fbd99..6405166920e0 100644
--- a/nixos/modules/config/qt.nix
+++ b/nixos/modules/config/qt.nix
@@ -102,9 +102,17 @@ in
 
   config = mkIf cfg.enable {
 
-    environment.variables.QT_QPA_PLATFORMTHEME = cfg.platformTheme;
+    environment.variables = {
+      QT_QPA_PLATFORMTHEME = cfg.platformTheme;
+      QT_STYLE_OVERRIDE = mkIf (! (isQt5ct || isLxqt || isKde)) cfg.style;
+    };
 
-    environment.variables.QT_STYLE_OVERRIDE = mkIf (! (isQt5ct || isLxqt || isKde)) cfg.style;
+    environment.profileRelativeSessionVariables = let
+      qtVersions = with pkgs; [ qt5 qt6 ];
+    in {
+      QT_PLUGIN_PATH = map (qt: "/${qt.qtbase.qtPluginPrefix}") qtVersions;
+      QML2_IMPORT_PATH = map (qt: "/${qt.qtbase.qtQmlPrefix}") qtVersions;
+    };
 
     environment.systemPackages = packages;