From bc39695ecc0f116a09ecd4ab7f556f419a465d2c Mon Sep 17 00:00:00 2001
From: Klaus Basan <klaus.basan@klausbasan.de>
Date: Tue, 31 Jul 2018 01:03:39 +0200
Subject: [PATCH] GUI crashes if stylesheet changes, this provides a fix

---
 src/swiftguistandard/swiftguistdinit.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/swiftguistandard/swiftguistdinit.cpp b/src/swiftguistandard/swiftguistdinit.cpp
index 0cb87d6d6..47e755649 100644
--- a/src/swiftguistandard/swiftguistdinit.cpp
+++ b/src/swiftguistandard/swiftguistdinit.cpp
@@ -182,6 +182,7 @@ void SwiftGuiStd::init()
 
 void SwiftGuiStd::initStyleSheet()
 {
+    if (!sGui || sGui->isShuttingDown()) { return; }
     const QString s = sGui->getStyleSheetUtility().styles(
     {
         CStyleSheetUtility::fileNameFonts(),
@@ -189,6 +190,7 @@ void SwiftGuiStd::initStyleSheet()
         CStyleSheetUtility::fileNameSwiftStandardGui()
     }
     );
+    this->setStyleSheet(""); //! \todo KB 2018-07 without clearing the stylesheet I see a crash here for the 2nd update
     this->setStyleSheet(s);
 }