From 36d0fddd388ee5d54cae5514ca53eee29b02d102 Mon Sep 17 00:00:00 2001
From: Bart Louwers <bart.louwers@gmail.com>
Date: Sat, 14 Dec 2024 11:29:30 +0100
Subject: [PATCH] [Qt 6.7] Set ForceDarkMode attribute in AnkiWebView (#3622)

* Set ForceDarkMode attribute in AnkiWebView

* Use hasattr for backward compatibility

* Make mypy happy
---
 qt/aqt/webview.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/qt/aqt/webview.py b/qt/aqt/webview.py
index aac3fb1b6..65d294bf6 100644
--- a/qt/aqt/webview.py
+++ b/qt/aqt/webview.py
@@ -838,6 +838,14 @@ html {{ {font} }}
     def on_theme_did_change(self) -> None:
         # avoid flashes if page reloaded
         self._page.setBackgroundColor(theme_manager.qcolor(colors.CANVAS))
+        if hasattr(QWebEngineSettings.WebAttribute, "ForceDarkMode"):
+            force_dark_mode = getattr(QWebEngineSettings.WebAttribute, "ForceDarkMode")
+            page_settings = self._page.settings()
+            if page_settings is not None:
+                page_settings.setAttribute(
+                    force_dark_mode,
+                    theme_manager.get_night_mode(),
+                )
         # update night-mode class, and legacy nightMode/night-mode body classes
         self.eval(
             f"""