From 80f8436552f74af3897b209a79d283f81ba17a42 Mon Sep 17 00:00:00 2001
From: Guilhem Saurel <guilhem.saurel@laas.fr>
Date: Wed, 24 Apr 2024 15:03:27 +0200
Subject: [PATCH] meshlab: set QT_QPA_PLATFORM xcb

---
 pkgs/applications/graphics/meshlab/default.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pkgs/applications/graphics/meshlab/default.nix b/pkgs/applications/graphics/meshlab/default.nix
index a77a39445c04..decedd1ed342 100644
--- a/pkgs/applications/graphics/meshlab/default.nix
+++ b/pkgs/applications/graphics/meshlab/default.nix
@@ -90,6 +90,12 @@ mkDerivation rec {
     patchelf --add-needed $out/lib/meshlab/libmeshlab-common.so $out/bin/.meshlab-wrapped
   '';
 
+  # display a black screen on wayland, so force XWayland for now.
+  # Might be fixed when upstream will be ready for Qt6.
+  qtWrapperArgs = [
+    "--set QT_QPA_PLATFORM xcb"
+  ];
+
   meta = {
     description = "A system for processing and editing 3D triangular meshes";
     mainProgram = "meshlab";