From 8024e8133184b8a465dac0fdc874ac4ac5e80cfe Mon Sep 17 00:00:00 2001
From: codereader <greebo@angua.at>
Date: Fri, 29 Jan 2021 05:02:47 +0100
Subject: [PATCH] #5508: Fix crash in Linux due to stale wxDataViewItems kept
 by the wxDataViewCtrl implementation

---
 libs/wxutil/dataview/ResourceTreeView.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libs/wxutil/dataview/ResourceTreeView.cpp b/libs/wxutil/dataview/ResourceTreeView.cpp
index 55800379cb..3225602956 100644
--- a/libs/wxutil/dataview/ResourceTreeView.cpp
+++ b/libs/wxutil/dataview/ResourceTreeView.cpp
@@ -346,6 +346,11 @@ void ResourceTreeView::SetSelectedElement(const std::string& value, const TreeMo
 
 void ResourceTreeView::Clear()
 {
+#ifdef __WXGTK__
+    // Clear the m_ensureVisibleDefered owned by the wxDataViewCtrl
+    EnsureVisible(wxDataViewItem(nullptr));
+#endif
+
     // Clear any data and/or active population objects
     _populator.reset();
     _treeStore->Clear();