From 9c433f8e08df6192d1991b9d2ffb338142392a4c Mon Sep 17 00:00:00 2001
From: YuSanka <yusanka@gmail.com>
Date: Mon, 10 Sep 2018 13:59:44 +0200
Subject: [PATCH] Try to fix AddSettingsChild on OSX

---
 xs/src/slic3r/GUI/GUI_ObjectParts.cpp | 1 +
 xs/src/slic3r/GUI/wxExtensions.hpp    | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/xs/src/slic3r/GUI/GUI_ObjectParts.cpp b/xs/src/slic3r/GUI/GUI_ObjectParts.cpp
index ee57b4a0a..7820eec43 100644
--- a/xs/src/slic3r/GUI/GUI_ObjectParts.cpp
+++ b/xs/src/slic3r/GUI/GUI_ObjectParts.cpp
@@ -1553,6 +1553,7 @@ void part_selection_changed()
     wxString object_name = wxEmptyString;
 	if (item)
 	{
+        printf("item exists\n");
         const bool is_settings_item = m_objects_model->IsSettingsItem(item);
 		bool is_part = false;
         wxString og_name = wxEmptyString;
diff --git a/xs/src/slic3r/GUI/wxExtensions.hpp b/xs/src/slic3r/GUI/wxExtensions.hpp
index 4236e0915..08c899a19 100644
--- a/xs/src/slic3r/GUI/wxExtensions.hpp
+++ b/xs/src/slic3r/GUI/wxExtensions.hpp
@@ -240,6 +240,8 @@ public:
 	}
 	void Insert(PrusaObjectDataViewModelNode* child, unsigned int n)
 	{
+		if (!m_container)
+			m_container = true;
 		m_children.Insert(child, n);
 	}
 	void Append(PrusaObjectDataViewModelNode* child)