From 3a59ef19f67f4399d13ce013edf8b07242d11780 Mon Sep 17 00:00:00 2001
From: Andreas Schaafsma <andreas@subsonics.nl>
Date: Tue, 15 Jul 2025 03:19:01 +0200
Subject: [PATCH] changes

---
 .../wallpaper-engine-kde-plugin/default.nix   | 91 ++++++++++---------
 1 file changed, 50 insertions(+), 41 deletions(-)

diff --git a/packages/wallpaper-engine-kde-plugin/default.nix b/packages/wallpaper-engine-kde-plugin/default.nix
index 30184f8..0975403 100644
--- a/packages/wallpaper-engine-kde-plugin/default.nix
+++ b/packages/wallpaper-engine-kde-plugin/default.nix
@@ -1,7 +1,7 @@
 { lib, pkgs, inputs ? null, ... }:
 
-pkgs.stdenv.mkDerivation rec {
-  pname = "wallpaper-engine-kde-plugin";
+pkgs.kdePackages.mkKdeDerivation rec {
+  pname = "wallpaper-engine-plugin";
   version = "unstable-2023-07-01";
 
   src = if inputs != null && inputs ? wallpaper-engine-plugin-src
@@ -11,56 +11,65 @@ pkgs.stdenv.mkDerivation rec {
       repo = "wallpaper-engine-kde-plugin";
       rev = "9e60b364e268814a1a778549c579ad45a9b9c7bb";
       sha256 = "sha256-tKeYJvVa8jzbyZ7MQaOuCUJa+UqABolTNe3e5XNw998=";
+      fetchSubmodules = true;
     };
 
-  nativeBuildInputs = with pkgs; [
-    cmake
-    extra-cmake-modules
-    pkg-config
-    libsForQt5.kpackage
-    libsForQt5.plasma-framework
-    libsForQt5.kdeclarative
-    wrapQtAppsHook
+  extraNativeBuildInputs = [
+    pkgs.kdePackages.kpackage
+    pkgs.pkg-config
+    (pkgs.python3.withPackages (ps: with ps; [ websockets ]))
   ];
 
-  buildInputs = with pkgs; [
-    mpv lz4 vulkan-headers vulkan-loader
-    wayland wayland-protocols
-    libass
-    spirv-tools
-    xorg.libXext
-    xorg.libX11
-  ] ++ (with pkgs.libsForQt5; [
-    plasma-framework
-    qtwebsockets
-    qtwebchannel
-    qtx11extras
-    qtdeclarative
-    qtbase
-    qtmultimedia
-    dbus
-  ]);
+  extraBuildInputs = [
+    pkgs.kdePackages.extra-cmake-modules
+    pkgs.kdePackages.libplasma
+    pkgs.lz4
+    pkgs.mpv
+    pkgs.libass
+    pkgs.libsysprof-capture
+    pkgs.fribidi
+    pkgs.ffmpeg
+    pkgs.libplacebo
+    pkgs.libunwind
+    pkgs.shaderc
+    pkgs.lcms2
+    pkgs.libdovi
+    pkgs.libdvdnav
+    pkgs.libdvdread
+    pkgs.vulkan-headers
+    pkgs.vulkan-loader
+    pkgs.spirv-tools
+    pkgs.gst_all_1.gstreamer
+    pkgs.gst_all_1.gst-plugins-base
+    pkgs.gst_all_1.gst-plugins-good
+    pkgs.gst_all_1.gst-plugins-bad
+    pkgs.gst_all_1.gst-plugins-ugly
+    pkgs.gst_all_1.gst-libav
+    pkgs.mujs
+  ];
+
+  # Disable the scene backend since it's missing CMakeLists.txt
+  postPatch = ''
+    sed -i 's|add_subdirectory(backend_scene)|# add_subdirectory(backend_scene)|' src/CMakeLists.txt
+  '';
 
   cmakeFlags = [
-    "-DUSE_PLASMAPKG=ON"
-    "-DQT_MAJOR_VERSION=5"
-    "-DCMAKE_INSTALL_PREFIX=${placeholder "out"}"
-    "-DCMAKE_INSTALL_LIBDIR=lib"
-    "-DKDE_INSTALL_PLUGINDIR=${placeholder "out"}/lib/qt5/plugins"
-    "-DKDE_INSTALL_QMLDIR=${placeholder "out"}/lib/qt5/qml"
-    "-DPLASMA_INSTALL_WALLPAPERDIR=${placeholder "out"}/share/plasma/wallpapers"
+    "-DQt6_DIR=${pkgs.kdePackages.qtbase}/lib/cmake/Qt6"
+    "-DUSE_PLASMAPKG=OFF"
+    "-DQT_MAJOR_VERSION=6"
+    "-DBUILD_QML=ON"
+    "-DBUILD_SCENE=OFF"
   ];
 
   dontWrapQtApps = true;
 
   postInstall = ''
-    dest="$out/share/plasma/wallpapers/com.github.catsout.wallpaperEngineKde"
-    mkdir -p "$dest/contents"
-    cp -r ${src}/plugin/contents/* "$dest/contents/"
-    cp ${src}/plugin/metadata.desktop "$dest/"
-    mkdir -p "$dest/contents/code"
-    ln -sf $out/lib/qt5/qml/com/github/catsout/wallpaperEngineKde/libWallpaperEngineKde.so \
-      "$dest/contents/code/libWallpaperEngineKde.so"
+    cd $out/share/plasma/wallpapers/com.github.catsout.wallpaperEngineKde
+    chmod +x ./contents/pyext.py
+    patchShebangs --build ./contents/pyext.py
+    substituteInPlace ./contents/ui/Pyext.qml \
+      --replace-fail NIX_STORE_PACKAGE_PATH ${placeholder "out"}
+    cd -
   '';
 
   meta = with lib; {