From c60cef10bc67a43d14c4fc7550ebddde27a744d1 Mon Sep 17 00:00:00 2001
From: Paul Cornett <paulcor@bullseye.com>
Date: Thu, 17 Apr 2014 06:09:09 +0000
Subject: [PATCH] Avoid assertion failure when GtkTreeView interactive search
 is started. The treeview does an unselect_all causing a "changed" signal with
 no selection. The problem is easily triggered by pressing Ctrl-F (the
 "start-interactive-search" key binding)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@76361 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 src/gtk/listbox.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/gtk/listbox.cpp b/src/gtk/listbox.cpp
index ef4042412b..edacaa6463 100644
--- a/src/gtk/listbox.cpp
+++ b/src/gtk/listbox.cpp
@@ -646,7 +646,7 @@ void wxListBox::GTKOnSelectionChanged()
     else // single selection
     {
         const int item = GetSelection();
-        if ( DoChangeSingleSelection(item) )
+        if (item >= 0 && DoChangeSingleSelection(item))
             SendEvent(wxEVT_LISTBOX, item, true);
     }
 }