Make sure the model exists before we access it.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@33668 a592a061-630c-0410-9148-cb99ea01b6c8

diff --git a/src/frontends/qt4/TocWidget.cpp b/src/frontends/qt4/TocWidget.cpp
index 5cf82a9c3453801a84cc3817d22ef83c25119615..738e474b157b89b9b6cb7d6605b93c67220684f1 100644 (file)
--- a/src/frontends/qt4/TocWidget.cpp
+++ b/src/frontends/qt4/TocWidget.cpp
@@ -440,6 +440,9 @@ void TocWidget::updateView()
 
 void TocWidget::filterContents()
 {
+       if (!tocTV->model())
+               return;
+
        QModelIndexList indices = tocTV->model()->match(
                tocTV->model()->index(0, 0),
                Qt::DisplayRole, "*", -1,