From ee0ce302011e37cc29b25f2be13b89fea2d4b2e0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cl=C3=A9ment=20Fauconnier?= <fc86@outlook.fr>
Date: Thu, 31 Mar 2022 09:29:29 +0200
Subject: [PATCH] fixed a crash caused by scene indexes deleted in ascending
 order

---
 src/document/UBDocumentController.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/document/UBDocumentController.cpp b/src/document/UBDocumentController.cpp
index 133f3975..104c1dfd 100644
--- a/src/document/UBDocumentController.cpp
+++ b/src/document/UBDocumentController.cpp
@@ -3649,6 +3649,7 @@ void UBDocumentController::deletePages(QList<QGraphicsItem *> itemsToDelete)
         UBDocumentContainer::deletePages(sceneIndexes);
         if (mBoardController->selectedDocument() == selectedDocument())
         {
+            std::sort(sceneIndexes.begin(), sceneIndexes.end(), std::greater<>());
             for (auto index : sceneIndexes)
                 mBoardController->deleteThumbPage(index);
         }