From b15c4e1f75bfadd76543bebc6368e72e4cb5cb38 Mon Sep 17 00:00:00 2001
From: Samuel Ghinet <samuel.ghinet@qt.io>
Date: Fri, 5 May 2023 15:09:20 +0300
Subject: [PATCH] QmlDesigner: Fix crash at filtering the Style Model in QDS
 new dialog

Task-number: QDS-9731
Change-Id: Iac64d109fa125f67ab3e713e07ebbc3e519d5ac5
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>
---
 src/plugins/studiowelcome/stylemodel.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/plugins/studiowelcome/stylemodel.cpp b/src/plugins/studiowelcome/stylemodel.cpp
index d93fc5fded2..1d548c510d1 100644
--- a/src/plugins/studiowelcome/stylemodel.cpp
+++ b/src/plugins/studiowelcome/stylemodel.cpp
@@ -63,6 +63,12 @@ int StyleModel::filteredIndex(int actualIndex)
     if (actualIndex < 0)
         return actualIndex;
 
+    if (actualIndex >= m_items.size()) {
+        qWarning() << "Invalid actual index: " << actualIndex << "; Maximum index number permitted: "
+                   << m_items.size() - 1;
+        return -1;
+    }
+
     QStandardItem *item = m_items.at(actualIndex);
     // TODO: perhaps should add this kind of find to utils/algorithm.h
     auto it = std::find(std::cbegin(m_filteredItems), std::cend(m_filteredItems), item);