From fd9ae49b5167bef653bdb96f638d0fdfed0553d6 Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Fri, 17 Feb 2023 12:08:20 +0100
Subject: [maingui] Fallback to latin1 for document name encoding

---
 src/maingui/printergui.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/maingui/printergui.cpp b/src/maingui/printergui.cpp
index 3c6b224..a54ac7a 100644
--- a/src/maingui/printergui.cpp
+++ b/src/maingui/printergui.cpp
@@ -174,7 +174,12 @@ void PrinterGui::initializeUI()
 	if (docName == NULL) {
 		docName = "Untitled";
 	}
-	this->setWindowTitle(QString::fromUtf8("Drucken - %1 [%2]").arg(this->user, QString::fromUtf8(docName)));
+	QString docNameString = QString::fromUtf8(docName);
+	if (strcmp(docNameString.toUtf8().constData(), docName) != 0) {
+		// Not UTF-8, fallback to latin-1
+		docNameString = QString::fromLatin1(docName);
+	}
+	this->setWindowTitle(QString::fromUtf8("Drucken - %1 [%2]").arg(this->user, docNameString));
 
 	this->show();
 	this->showNormal();
-- 
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