From 3197932e6fb03fb9c0ff669af858cb94e3836d79 Mon Sep 17 00:00:00 2001
From: Filipe Azevedo <filipe.azevedo@kdab.com>
Date: Mon, 18 May 2020 15:36:53 +0200
Subject: Fix QTabBar crash with offscreen platform plugin

The offscreen implementation does not have a QPlatformNativeInterface
implementation.

Pick-to: 5.15
Change-Id: Ife4f296f52c307a2fab90de2cdc1ef0cc7796385
Reviewed-by: Richard Moe Gustavsen <richard.gustavsen@qt.io>
---
 src/widgets/widgets/qtabbar.cpp | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src')

diff --git a/src/widgets/widgets/qtabbar.cpp b/src/widgets/widgets/qtabbar.cpp
index 7bd346981a..0f0fa52a05 100644
--- a/src/widgets/widgets/qtabbar.cpp
+++ b/src/widgets/widgets/qtabbar.cpp
@@ -139,6 +139,8 @@ void QTabBarPrivate::updateMacBorderMetrics()
     }
 
     QPlatformNativeInterface *nativeInterface = QGuiApplication::platformNativeInterface();
+    if (!nativeInterface)
+        return;
     quintptr identifier = reinterpret_cast<quintptr>(q);
 
     // Set geometry
-- 
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