viewnior: switch to gtk3 PR

pkgs/applications/graphics/viewnior/default.nix

@@ -1,41 +1,32 @@
-{ lib, stdenv, fetchFromGitHub, fetchpatch, meson, ninja, pkg-config, desktop-file-utils, gtk2, libpng, exiv2, lcms
-, intltool, gettext, shared-mime-info, glib, gdk-pixbuf, perl}:
+{ lib, stdenv, fetchFromGitHub, fetchpatch, meson, ninja, pkg-config, desktop-file-utils, gtk3, libpng, exiv2, lcms
+, intltool, gettext, shared-mime-info, glib, gdk-pixbuf, perl, wrapGAppsHook3, webp-pixbuf-loader, gnome, librsvg}:
 
 stdenv.mkDerivation rec {
-  pname = "viewnior";
-  version = "1.8";
+  pname = "viewnior-gtk3";
+  version = "1.8-unstable-2023-11-23";
 
   src = fetchFromGitHub {
-    owner = "hellosiyan";
+    #owner = "hellosiyan";
+    #repo = "Viewnior";
+    owner = "Artturin";
     repo = "Viewnior";
-    rev = "${pname}-${version}";
-    hash = "sha256-LTahMmcAqgqviUxR624kTozJGTniAAGWKo1ZqXjoG5M=";
+    # https://github.com/hellosiyan/Viewnior/pull/142
+    rev = "23ce6e5630b24509d8009f17a833ad9e59b85fab";
+    hash = "sha256-+/f0+og1Dd7eJK7P83+q4lf4SjzW2g6qNk8ZTxNAuDA=";
   };
 
-  patches = [
-    (fetchpatch {
-      name = "viewnior-1.8-change-exiv2-AutoPtr-to-unique_ptr.patch";
-      url = "https://gitweb.gentoo.org/repo/gentoo.git/plain/media-gfx/viewnior/files/viewnior-1.8-change-exiv2-AutoPtr-to-unique_ptr.patch?id=002882203ad6a2b08ce035a18b95844a9f4b85d0";
-      hash = "sha256-O3/d7qMiOsYJmz7ekoLM6oaHcuYjEbAfPFuDUWSybfE=";
-    })
-    (fetchpatch {
-      name = "viewnior-1.8-add-support-for-exiv-0.28.0-errors.patch";
-      url = "https://gitweb.gentoo.org/repo/gentoo.git/plain/media-gfx/viewnior/files/viewnior-1.8-add-support-for-exiv-0.28.0-errors.patch?id=002882203ad6a2b08ce035a18b95844a9f4b85d0";
-      hash = "sha256-Zjc4CIlelAkbyvX2F1yo/qJjUajtAgF4+FoHWFEIPWY=";
-    })
-  ];
-
   nativeBuildInputs = [
     meson
     ninja
     pkg-config
     desktop-file-utils
     intltool
     gettext
+    wrapGAppsHook3
   ];
 
   buildInputs = [
-    gtk2
+    gtk3
     libpng
     exiv2
     lcms
@@ -45,6 +36,23 @@ stdenv.mkDerivation rec {
     perl
   ];
 
+  postInstall = ''
+    export GDK_PIXBUF_MODULE_FILE="${
+      gnome._gdkPixbufCacheBuilder_DO_NOT_USE {
+        extraLoaders = [
+          webp-pixbuf-loader
+          librsvg
+        ];
+      }
+    }"
+
+    # gtk3 viewnior can be launched in wayland mode and does so by default
+    # but moving around in a zoomed in image doesn't work
+    gappsWrapperArgs+=(
+      --set-default GDK_BACKEND x11
+    )
+  '';
+
   meta = with lib; {
     description = "Fast and simple image viewer";
     longDescription =