From 4203104d54db70e7d39452acb735fac4412c0466 Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Sun, 15 Dec 2019 16:26:18 +0100
Subject: [PATCH] Fix using wxTreeListCtrl with generic wxDataViewCtrl in wxGTK

Restrict GTK workaround in wxTreeListModel::IsContainer() to the native
version, it does have a drawback when using the generic one as it
resulted in all items having the expander button.

See #18632.
---
 src/generic/treelist.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/generic/treelist.cpp b/src/generic/treelist.cpp
index 6c599100ae..a4fdfd3fc4 100644
--- a/src/generic/treelist.cpp
+++ b/src/generic/treelist.cpp
@@ -735,7 +735,7 @@ bool wxTreeListModel::IsContainer(const wxDataViewItem& item) const
     //        adding the item itself) and we can't know whether we're container
     //        or not by then. Luckily, always returning true doesn't have any
     //        serious drawbacks for us.
-#ifdef __WXGTK__
+#if defined(__WXGTK__) && defined(wxHAS_NATIVE_DATAVIEWCTRL)
     wxUnusedVar(item);
 
     return true;