From f36ae86ec88bb756da93992bdd12f0fe596f2263 Mon Sep 17 00:00:00 2001
From: Allan Sandfeld Jensen <allan.jensen@qt.io>
Date: Thu, 16 Apr 2020 14:06:15 +0200
Subject: Forward unhandled scroll events
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Fixes a regression in webengine stealing all wheel events.

Fixes: QTBUG-81322
Change-Id: I0176627f3e13d97f55162f70fc7a969f98f4f444
Reviewed-by: Jüri Valdmann <juri.valdmann@qt.io>
---
 src/core/render_widget_host_view_qt_delegate.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src/core/render_widget_host_view_qt_delegate.h')

diff --git a/src/core/render_widget_host_view_qt_delegate.h b/src/core/render_widget_host_view_qt_delegate.h
index 4ee790ce9..46f1802a6 100644
--- a/src/core/render_widget_host_view_qt_delegate.h
+++ b/src/core/render_widget_host_view_qt_delegate.h
@@ -58,12 +58,13 @@
 
 QT_BEGIN_NAMESPACE
 class QEvent;
+class QInputMethodEvent;
 class QSGLayer;
 class QSGNode;
 class QSGRectangleNode;
 class QSGTexture;
 class QVariant;
-class QInputMethodEvent;
+class QWheelEvent;
 
 class QSGImageNode;
 
@@ -111,6 +112,7 @@ public:
     virtual void setInputMethodHints(Qt::InputMethodHints hints) = 0;
     virtual void setClearColor(const QColor &color) = 0;
     virtual bool copySurface(const QRect &, const QSize &, QImage &) = 0;
+    virtual void unhandledWheelEvent(QWheelEvent *) {}
 };
 
 } // namespace QtWebEngineCore
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