From 825bac4b436c8a5b3dcd6779cc030676376bb2b5 Mon Sep 17 00:00:00 2001
From: Abdelrazak Younes <younes@lyx.org>
Date: Thu, 12 Jun 2008 15:43:31 +0000
Subject: [PATCH] Fix crash on new document.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@25237 a592a061-630c-0410-9148-cb99ea01b6c8
---
 src/frontends/qt4/TocModel.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/frontends/qt4/TocModel.cpp b/src/frontends/qt4/TocModel.cpp
index 3da28e6558..fc76950b37 100644
--- a/src/frontends/qt4/TocModel.cpp
+++ b/src/frontends/qt4/TocModel.cpp
@@ -41,6 +41,9 @@ TocItem const & TocModel::tocItem(QModelIndex const & index) const
 
 QModelIndex TocModel::modelIndex(DocIterator const & dit) const
 {
+	if (toc_.empty())
+		return QModelIndex();
+
 	size_t const toc_index = toc_.item(dit) - toc_.begin();
 
 	QModelIndexList list = match(index(0, 0), Qt::UserRole,
-- 
2.39.5