From ab43af9958a16cbead6a982248d68b52d1f4ee34 Mon Sep 17 00:00:00 2001
From: David Rosca <nowrep@gmail.com>
Date: Sat, 26 Jan 2019 10:36:48 +0100
Subject: [PATCH] WebView: Fix detecting rwhvqt change with QtWebEngine 5.12

BUG: 402805
FIXED-IN: 3.1.0
---
 src/lib/webengine/webview.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/lib/webengine/webview.cpp b/src/lib/webengine/webview.cpp
index b965fe0b8..c82925913 100644
--- a/src/lib/webengine/webview.cpp
+++ b/src/lib/webengine/webview.cpp
@@ -1276,9 +1276,16 @@ bool WebView::eventFilter(QObject *obj, QEvent *event)
 
     // Hack to find widget that receives input events
     if (obj == this && event->type() == QEvent::ChildAdded) {
+#if QTWEBENGINEWIDGETS_VERSION >= QT_VERSION_CHECK(5, 12, 0)
+        QPointer<QWidget> child = qobject_cast<QWidget*>(static_cast<QChildEvent*>(event)->child());
+        QTimer::singleShot(0, this, [=]() {
+        if (child && child->inherits("QtWebEngineCore::RenderWidgetHostViewQtDelegateWidget")) {
+            m_rwhvqt = child;
+#else
         QTimer::singleShot(0, this, [this]() {
             if (focusProxy() && m_rwhvqt != focusProxy()) {
                 m_rwhvqt = focusProxy();
+#endif
                 m_rwhvqt->installEventFilter(this);
                 if (QQuickWidget *w = qobject_cast<QQuickWidget*>(m_rwhvqt)) {
                     w->setClearColor(palette().color(QPalette::Window));