From 1b7fba2f78bfc410861de68c1ec3858436fdb25a Mon Sep 17 00:00:00 2001
From: Jakub Melka <Jakub.Melka@seznam.cz>
Date: Mon, 9 Dec 2019 19:24:27 +0100
Subject: [PATCH] Fix crash after opening document

---
 PdfForQtLib/sources/pdfitemmodels.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/PdfForQtLib/sources/pdfitemmodels.cpp b/PdfForQtLib/sources/pdfitemmodels.cpp
index 19401dd..d9cb69e 100644
--- a/PdfForQtLib/sources/pdfitemmodels.cpp
+++ b/PdfForQtLib/sources/pdfitemmodels.cpp
@@ -731,6 +731,7 @@ void PDFThumbnailsItemModel::setDocument(const PDFDocument* document)
 {
     if (m_document != document)
     {
+        beginResetModel();
         m_thumbnailCache.clear();
         m_document = document;
 
@@ -739,6 +740,7 @@ void PDFThumbnailsItemModel::setDocument(const PDFDocument* document)
         {
             m_pageCount = static_cast<int>(m_document->getCatalog()->getPageCount());
         }
+        endResetModel();
     }
 }