From 68ec11425dd7e315d3f8591c8d530c4db497930c Mon Sep 17 00:00:00 2001
From: Chris Hennes <chennes@pioneerlibrarysystem.org>
Date: Wed, 17 May 2023 20:32:49 -0500
Subject: [PATCH] Gui: Hack to get Windows 11 version

---
 src/Gui/Splashscreen.cpp | 23 ++++++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/src/Gui/Splashscreen.cpp b/src/Gui/Splashscreen.cpp
index 08f645984f..abd50fa9dd 100644
--- a/src/Gui/Splashscreen.cpp
+++ b/src/Gui/Splashscreen.cpp
@@ -34,6 +34,7 @@
 # include <QRegularExpression>
 # include <QRegularExpressionMatch>
 # include <QScreen>
+# include <QSettings>
 # include <QSysInfo>
 # include <QTextBrowser>
 # include <QTextStream>
@@ -64,7 +65,7 @@ namespace Gui {
 QString prettyProductInfoWrapper()
 {
     auto productName = QSysInfo::prettyProductName();
-#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
+#if QT_VERSION < QT_VERSION_CHECK(6, 5, 0)
 #ifdef FC_OS_MACOSX
     auto macosVersionFile = QString::fromUtf8("/System/Library/CoreServices/.SystemVersionPlatform.plist");
     auto fi = QFileInfo (macosVersionFile);
@@ -87,6 +88,26 @@ QString prettyProductInfoWrapper()
         }
     }
 #endif
+#endif
+#ifdef FC_OS_WIN64
+    QSettings regKey {QString::fromUtf8("HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion"), QSettings::NativeFormat};
+    if (regKey.contains(QString::fromUtf8("CurrentBuildNumber"))) {
+        auto buildNumber = regKey.value(QString::fromUtf8("CurrentBuildNumber")).toInt();
+        if (buildNumber > 0) {
+            if (buildNumber < 9200) {
+                productName = QString::fromUtf8("Windows 7 build %1").arg(buildNumber);
+            }
+            else if (buildNumber < 10240) {
+                productName = QString::fromUtf8("Windows 8 build %1").arg(buildNumber);
+            }
+            else if (buildNumber < 22000) {
+                productName = QString::fromUtf8("Windows 10 build %1").arg(buildNumber);
+            }
+            else {
+                productName = QString::fromUtf8("Windows 11 build %1").arg(buildNumber);
+            }
+        }
+    }
 #endif
     return productName;
 }