From dfd9d5a5ee271af4483815edc8604e98976c47e5 Mon Sep 17 00:00:00 2001
From: Tim Jenssen <tim.jenssen@qt.io>
Date: Wed, 17 Jul 2019 12:35:25 +0200
Subject: [PATCH] try only show MessageBoxes if that is possible

Change-Id: I70f41b7a2936d6797895559530050e8de54b2913
Reviewed-by: Eike Ziller <eike.ziller@qt.io>
---
 src/app/main.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/app/main.cpp b/src/app/main.cpp
index e1756b2b950..2685966e0c3 100644
--- a/src/app/main.cpp
+++ b/src/app/main.cpp
@@ -120,15 +120,15 @@ static inline QString toHtml(const QString &t)
 
 static void displayHelpText(const QString &t)
 {
-    if (Utils::HostOsInfo::isWindowsHost())
-        QMessageBox::information(0, QLatin1String(Core::Constants::IDE_DISPLAY_NAME), toHtml(t));
+    if (Utils::HostOsInfo::isWindowsHost() && qApp)
+        QMessageBox::information(nullptr, QLatin1String(Core::Constants::IDE_DISPLAY_NAME), toHtml(t));
     else
         qWarning("%s", qPrintable(t));
 }
 
 static void displayError(const QString &t)
 {
-    if (Utils::HostOsInfo::isWindowsHost())
+    if (Utils::HostOsInfo::isWindowsHost() && qApp)
         QMessageBox::critical(0, QLatin1String(Core::Constants::IDE_DISPLAY_NAME), t);
     else
         qCritical("%s", qPrintable(t));