fix qt6 dolphin and kde theming

A small sample of the massive uncommitted change hoard

modules/theme/default.nix

@@ -14,61 +14,31 @@
   };
 
   home-manager.users.${config.main-user} = {
-    home.file.".icons/default/index.theme".text = ''
-      [Icon Theme]
-      Inherits=breeze_cursors
-    '';
-
-    xdg.configFile = let
-      qtctConf = colors: ''
-        [Appearance]
-        style=Breeze
-        icon_theme=breeze-dark
-        standard_dialogs=xdgdesktopportal
-
-        # Cantata misbehaves without color overrides. This overrides the breeze colors with the
-        # exact same colors.
-        color_scheme_path=${colors}
-        custom_palette=true
-
-        [Interface]
-        buttonbox_layout=0
-        cursor_flash_time=1000
-        dialog_buttons_have_icons=2
-        double_click_interval=400
-        gui_effects=General, AnimateMenu, AnimateCombo
-        keyboard_scheme=2
-        menus_have_icons=true
-        show_shortcuts_in_context_menus=true
-        toolbutton_style=4
-        underline_shortcut=1
-        wheel_scroll_lines=3
-      '';
-    in {
-      # fixes dolphin background colors
-      "kdeglobals".source = "${pkgs.kdePackages.breeze}/share/color-schemes/BreezeDark.colors";
-
-      "qt5ct/qt5ct.conf".text = qtctConf ./colors-qt5ct.conf;
-      "qt6ct/qt6ct.conf".text = qtctConf ./colors-qt6ct.conf;
-    };
-
-    gtk = {
-      enable = true;
-      theme = {
-        package = pkgs.kdePackages.breeze-gtk;
-        name = "Breeze-Dark";
-      };
-      iconTheme = {
-        package = pkgs.kdePackages.breeze-icons;
-        name = "breeze-dark";
-      };
-      cursorTheme = {
-        package = pkgs.kdePackages.breeze-gtk;
-        name = "breeze_cursors";
-      };
-
-      gtk3.extraConfig.gtk-xft-rgba = "rgb";
-      gtk4.extraConfig.gtk-xft-rgba = "rgb";
-    };
+    imports = [ ./home.nix ];
   };
+
+  nixpkgs.overlays = [(final: prev: {
+    qt6Packages = prev.qt6Packages.overrideScope (qfinal: qprev: {
+      qt6ct = qprev.qt6ct.overrideAttrs (ctprev: {
+        src = pkgs.fetchFromGitHub {
+          owner = "ilya-fedin";
+          repo = "qt6ct";
+          rev = "refs/heads/shenanigans";
+          sha256 = "2RlzcjGx4vBs+r/kXd1kP3o5tQ5hWdlu4J/tWmd7FVk=";
+        };
+
+        nativeBuildInputs = (builtins.filter (p: p != qfinal.qmake) ctprev.nativeBuildInputs) ++ [ final.cmake ];
+
+        buildInputs = ctprev.buildInputs ++ (with final.kdePackages; [
+          kconfig
+          kcolorscheme
+          kiconthemes
+        ]);
+
+        cmakeFlags = [
+          (lib.cmakeFeature "PLUGINDIR" "lib/qt-6/plugins")
+        ];
+      });
+    });
+  })];
 }