Workaround palette not set on new windows

src/MainWindow.cpp

@@ -376,6 +376,20 @@ MainWindow::showChatPage()
     emit switchToChatPage();
 }
 
+bool
+NhekoFixupPaletteEventFilter::eventFilter(QObject *obj, QEvent *event)
+{
+    // Workaround for the QGuiApplication palette not being applied to toplevel windows for some
+    // reason?!?
+    if (event->type() == QEvent::ChildAdded &&
+        obj->metaObject()->className() == QStringLiteral("QQuickRootItem")) {
+        for (const auto window : QGuiApplication::topLevelWindows()) {
+            QGuiApplication::postEvent(window, new QEvent(QEvent::ApplicationPaletteChange));
+        }
+    }
+    return false;
+}
+
 void
 MainWindow::closeEvent(QCloseEvent *event)
 {

src/MainWindow.h

@@ -37,6 +37,19 @@ class MemberList;
 class ReCaptcha;
 }
 
+class NhekoFixupPaletteEventFilter final : public QObject
+{
+    Q_OBJECT
+
+public:
+    NhekoFixupPaletteEventFilter(QObject *parent)
+      : QObject(parent)
+    {
+    }
+
+    bool eventFilter(QObject *obj, QEvent *event) override;
+};
+
 class MainWindow final : public QQuickView
 {
     Q_OBJECT

src/main.cpp

@@ -309,6 +309,9 @@ main(int argc, char *argv[])
         std::exit(1);
     }
 
+    auto filter = new NhekoFixupPaletteEventFilter(&app);
+    app.installEventFilter(filter);
+
     if (parser.isSet(configName))
         UserSettings::initialize(parser.value(configName));
     else