From d2d91bb10581e04d121daa9aab47071fa1e8215a Mon Sep 17 00:00:00 2001
From: Claudio Cambra <claudio.cambra@nextcloud.com>
Date: Tue, 5 Nov 2024 17:02:32 +0900
Subject: [PATCH] Use old palette change detection method on Windows 10 and
 under

Signed-off-by: Claudio Cambra <claudio.cambra@nextcloud.com>
---
 src/libsync/theme.cpp | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/libsync/theme.cpp b/src/libsync/theme.cpp
index 2f9944b92..e69c34922 100644
--- a/src/libsync/theme.cpp
+++ b/src/libsync/theme.cpp
@@ -969,8 +969,15 @@ void Theme::connectToPaletteSignal()
 {
     if (!_paletteSignalsConnected) {
         if (const auto ptr = qobject_cast<QGuiApplication *>(QGuiApplication::instance())) {
-            connect(ptr, &QGuiApplication::paletteChanged, this, &Theme::systemPaletteChanged);
-            connect(ptr->styleHints(), &QStyleHints::colorSchemeChanged, this, &Theme::darkModeChanged);
+#ifdef Q_OS_WIN
+            // Windows 10 does not have proper dark mode support via Qt 6 so hack detection
+            if (!IsWindows11OrGreater()) {
+                connect(ptr, &QGuiApplication::paletteChanged, this, &Theme::darkModeChanged);
+            } else
+#endif
+            {
+                connect(ptr->styleHints(), &QStyleHints::colorSchemeChanged, this, &Theme::darkModeChanged);
+            }
             _paletteSignalsConnected = true;
         }
     }