From ff4c2d45ff08afa8f31e6bed8728c33f63d4bf48 Mon Sep 17 00:00:00 2001
From: Bart Janssens <bart@bartjanssens.org>
Date: Thu, 2 Jul 2026 16:24:04 +0200
Subject: [PATCH 1/2] Properly update Makie viewport

Issue https://github.com/JuliaGraphics/QMLMakie.jl/issues/15
---
 CMakeLists.txt     | 2 +-
 makie_viewport.cpp | 5 +++++
 makie_viewport.hpp | 2 +-
 3 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index f22450b..5f13b1e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 3.16.0)
 
 project(JlQML)
 
-set(JlQML_VERSION 0.10.3)
+set(JlQML_VERSION 0.10.4)
 message(STATUS "Project version: v${JlQML_VERSION}")
 
 set(CMAKE_MACOSX_RPATH 1)
diff --git a/makie_viewport.cpp b/makie_viewport.cpp
index 6600672..56b12d9 100644
--- a/makie_viewport.cpp
+++ b/makie_viewport.cpp
@@ -92,6 +92,10 @@ struct MakieSupport
 MakieViewport::MakieViewport(QQuickItem *parent) : OpenGLViewport(parent, new MakieRenderFunction(m_screen, m_scene))
 {
   get_makie_support_module(); // Throw the possible error early
+  connect(this, &MakieViewport::sceneChanged, [this] ()
+  {
+    update();
+  });
 }
 
 MakieViewport::~MakieViewport()
@@ -124,6 +128,7 @@ void MakieViewport::setScene(qvariant_any_t scene)
     jlcxx::unprotect_from_gc(m_scene);
   }
   m_scene = scene_val;
+  emit sceneChanged(scene);
 }
 
 void MakieViewport::setup_buffer(QOpenGLFramebufferObject* fbo)
diff --git a/makie_viewport.hpp b/makie_viewport.hpp
index 141dd0a..7efd5be 100644
--- a/makie_viewport.hpp
+++ b/makie_viewport.hpp
@@ -22,7 +22,7 @@ class MakieViewport : public OpenGLViewport
   static jlcxx::SafeCFunction m_default_render_function;
 
 signals:
-  void sceneChanged();
+  void sceneChanged(qvariant_any_t scene);
 
 private:
   // Screen created and used on the Julia side

From 265fd515e28d8357a4d1e335c6ce54221084ce0d Mon Sep 17 00:00:00 2001
From: Bart Janssens <bart@bartjanssens.org>
Date: Fri, 3 Jul 2026 22:48:32 +0200
Subject: [PATCH 2/2] Retain function list between app runs

Issue https://github.com/JuliaGraphics/QMLMakie.jl/issues/14
---
 julia_api.cpp | 19 +++++++++++--------
 julia_api.hpp |  2 +-
 2 files changed, 12 insertions(+), 9 deletions(-)

diff --git a/julia_api.cpp b/julia_api.cpp
index 84466fc..6149eb2 100644
--- a/julia_api.cpp
+++ b/julia_api.cpp
@@ -21,22 +21,19 @@ void JuliaAPI::set_js_engine(QJSEngine* e)
   m_engine = e;
   if(m_engine != nullptr)
   {
-    for(JuliaFunction* f : m_registered_functions)
+    for(JuliaFunction* f : registered_functions())
     {
       register_function_internal(f);
     }
-    m_registered_functions.clear();
   }
 }
 
 void JuliaAPI::register_function(const QString& name, jl_value_t* f)
 {
-  JuliaFunction* jf = new JuliaFunction(name, f, this);
-  if(m_engine == nullptr)
-  {
-    m_registered_functions.push_back(jf);
-  }
-  else
+  JuliaFunction* jf = new JuliaFunction(name, f, QGuiApplication::instance());
+  registered_functions().push_back(jf);
+  
+  if(m_engine != nullptr)
   {
     register_function_internal(jf);
   }
@@ -64,6 +61,12 @@ void JuliaAPI::register_function_internal(JuliaFunction* jf)
   (*this)[jf->name()] = f.toVariant(QJSValue::RetainJSObjects);
 }
 
+std::vector<JuliaFunction*>& JuliaAPI::registered_functions()
+{
+  static std::vector<JuliaFunction*> functions;
+  return functions;
+}
+
 JuliaAPI* JuliaSingleton::create(QQmlEngine* qmlEngine, QJSEngine* scriptEngine)
 {
   Q_ASSERT(s_singletonInstance);
diff --git a/julia_api.hpp b/julia_api.hpp
index cc58065..cff4218 100644
--- a/julia_api.hpp
+++ b/julia_api.hpp
@@ -37,7 +37,7 @@ class JuliaAPI : public QQmlPropertyMap
   JuliaSignals* m_julia_signals = nullptr;
   void register_function_internal(JuliaFunction* f);
   QJSEngine* m_engine = nullptr;
-  std::vector<JuliaFunction*> m_registered_functions;
+  std::vector<JuliaFunction*>& registered_functions();
 };
 
 struct JuliaSingleton