Fix dark mode on Windows for Quick window example

Qt 6.5 introduced updates to dark mode handling on Windows, which broke
the appearance of this example. For an easy fix, switch its style to
Fusion.

Pick-to: 6.5
Change-Id: I6bb95f481380a5f46c094e8edd9ae6fdad3eea6e
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>

1 files changed, 3 insertions, 0 deletions

diff --git a/examples/quick/window/main.py b/examples/quick/window/main.py
index 8f8260b56..22770f17a 100644
--- a/examples/quick/window/main.py
+++ b/examples/quick/window/main.py
@@ -9,6 +9,7 @@ from PySide6.QtCore import QUrl, qWarning
 from PySide6.QtGui import QGuiApplication
 from PySide6.QtQml import QQmlComponent, QQmlEngine
 from PySide6.QtQuick import QQuickWindow
+from PySide6.QtQuickControls2 import QQuickStyle
 
 import window_rc
 
@@ -20,6 +21,8 @@ from shared import shared_rc
 
 if __name__ == "__main__":
     app = QGuiApplication(sys.argv)
+    if sys.platform == "win32":
+        QQuickStyle.setStyle("Fusion")
     engine = QQmlEngine()
 
     # Add the qrc root as QML import path so that the "shared" module