From ff07a5e74e2671af068f20709847d027985e0097 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ole-Andr=C3=A9=20Rodlie?= <ole.andre.rodlie@gmail.com>
Date: Thu, 18 Apr 2024 19:56:22 +0200
Subject: [PATCH] Set proper window title bar color on Windows

---
 src/app/main.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/app/main.cpp b/src/app/main.cpp
index 4f3dbdd79..f2b55e13b 100644
--- a/src/app/main.cpp
+++ b/src/app/main.cpp
@@ -86,6 +86,17 @@ void generateAlphaMesh(QPixmap& alphaMesh,
 
 int main(int argc, char *argv[])
 {
+#ifdef Q_OS_WIN
+#if QT_VERSION < QT_VERSION_CHECK(6, 5, 0)
+    // Set proper window title bar color on Windows
+    // https://www.qt.io/blog/dark-mode-on-windows-11-with-qt-6.5
+    QSettings registry("HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Themes\\Personalize",
+                       QSettings::NativeFormat);
+    if (registry.value("AppsUseLightTheme").toInt() == 0) { qputenv("QT_QPA_PLATFORM",
+                                                                    "windows:darkmode=1"); }
+#endif
+#endif
+
 #ifdef Q_OS_LINUX
     // Force XCB on Linux
     qputenv("QT_QPA_PLATFORM", "xcb");