nixos: nuke gtk2

home/applications/fcitx5/default.nix

@@ -1,13 +1,27 @@
-{pkgs, ...}: {
-  i18n.inputMethod = {
-    enabled = "fcitx5";
-    fcitx5.addons = with pkgs; [
+{
+  lib,
+  pkgs,
+  ...
+}: let
+  package = pkgs.qt6Packages.fcitx5-with-addons.override {
+    addons = with pkgs; [
       qt6Packages.fcitx5-chinese-addons
       fcitx5-pinyin-minecraft
       fcitx5-pinyin-moegirl
       fcitx5-pinyin-zhwiki
     ];
   };
+in {
+  home.packages = [
+    package
+  ];
+
+  systemd.user.services.fcitx5-daemon = {
+    Unit.Description = "Fcitx5 input method editor";
+    Unit.PartOf = ["graphical-session.target"];
+    Service.ExecStart = lib.getExe' package "fcitx5";
+    Install.WantedBy = ["graphical-session.target"];
+  };
 
   xdg.configFile."fcitx5/conf/classicui.conf".text = ''
     Vertical Candidate List=True

home/applications/sway/default.nix

@@ -11,9 +11,6 @@
     ../mako
     ../swayidle
     ../swaylock
-
-    # FIXME: hack
-    ./unset-im-module.nix
   ];
 
   home.sessionVariables = {

home/applications/sway/unset-im-module.nix

@@ -1,5 +0,0 @@
-{lib, ...}: {
-  options.home.sessionVariables = lib.mkOption {
-    apply = x: removeAttrs x ["QT_IM_MODULE" "GTK_IM_MODULE"];
-  };
-}

overlays/default.nix

@@ -23,10 +23,15 @@ in {
 
     # HACK: no more qt5
     libsForQt5 = prev.libsForQt5.overrideScope (_qt5final: _qt5prev: {
-      fcitx5-with-addons = prev.qt6Packages.fcitx5-with-addons;
       fcitx5-qt = prev.emptyDirectory;
     });
 
+    # HACK: no more gtk2
+    gtk2 = prev.emptyDirectory;
+    gnome-themes-extra = prev.gnome-themes-extra.overrideAttrs {
+      configureFlags = ["--disable-gtk2-engine"];
+    };
+
     sway-unwrapped = addPatches prev.sway-unwrapped [
       # text_input: Implement input-method popups
       # https://github.com/swaywm/sway/pull/7226
@@ -35,7 +40,7 @@ in {
         url = "https://github.com/swaywm/sway/commit/de74d1f6360810c0a5fd11d8022fbffe56fc97c5.patch";
         hash = "sha256-iTZIYHBp8vxjVdmH/k+jlN0/Zj6Ofe/qefv7ubtowHs=";
       })
-      (prev.fetchpatch2  {
+      (prev.fetchpatch2 {
         name = "0002-chore-fractal-scale-handle.patch";
         url = "https://github.com/swaywm/sway/commit/2aa72e8dfd3b3d051fdec6b2d05c5635adcfb57b.patch";
         hash = "sha256-aJYXoZ7xEEy8J8DjxANOe14HdHRni6IXSNcAzLzNvIo=";