From 49853095526794d0fb4d611ec610ce2bc94ac9d4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Leonardo=20Eug=C3=AAnio?= <lelgenio@disroot.org>
Date: Fri, 14 Aug 2026 21:30:23 -0300
Subject: [PATCH] kde: force dolphin as file manager

---
 system/kde.nix | 15 +++++++++++++++
 user/kde.nix   |  5 +++++
 2 files changed, 20 insertions(+)

diff --git a/system/kde.nix b/system/kde.nix
index fa529d0..bed6580 100644
--- a/system/kde.nix
+++ b/system/kde.nix
@@ -22,5 +22,20 @@
       kdePackages.partitionmanager
       kdePackages.sddm-kcm
     ];
+
+    xdg.portal = {
+      enable = true;
+      extraPortals = [ pkgs.kdePackages.xdg-desktop-portal-kde ];
+      config = {
+        common = {
+          default = [ "kde" ];
+        };
+      };
+    };
+
+    environment.sessionVariables = {
+      GTK_USE_PORTAL = "1";
+      GDK_DEBUG = "portals";
+    };
   };
 }
diff --git a/user/kde.nix b/user/kde.nix
index 6a19816..cd80989 100644
--- a/user/kde.nix
+++ b/user/kde.nix
@@ -9,4 +9,9 @@
 }
 // lib.mkIf (config.my.desktop == "kde") {
   services.gpg-agent.pinentry.package = lib.mkForce pkgs.pinentry-qt;
+
+  # Some programs like Firefox and vscode don't use xdg-open, and instead use org.freedesktop.FileManager1.
+  # This forces Dolphin to be the provider for that.
+  xdg.dataFile."dbus-1/services/org.freedesktop.FileManager1.service".source =
+    "${pkgs.kdePackages.dolphin}/share/dbus-1/services/org.kde.dolphin.FileManager1.service";
 }