From 9711f64c5082040cb76f6da5ef4a16037dbda08f Mon Sep 17 00:00:00 2001
From: Allan Sandfeld Jensen <allan.jensen@qt.io>
Date: Wed, 2 Jun 2021 15:54:43 +0200
Subject: Always send phased wheel events beginning with Began
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The input event router does not like MayBegin.

Fixes: QTBUG-93082
Change-Id: I4ac9677d7f69da3d36fc33c17541026f011feb42
Reviewed-by: Michael Brüning <michael.bruning@qt.io>
(cherry picked from commit 588ea0d45f983f70e707a502cb4f3e429bbd3876)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
(cherry picked from commit eafc7b60313d9827f976f1d4fbb5e7f5d54eea7b)
Reviewed-by: Tarja Sundqvist <tarja.sundqvist@qt.io>
---
 src/core/web_event_factory.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/core/web_event_factory.cpp b/src/core/web_event_factory.cpp
index 3beb913a7..dcfa3dc39 100644
--- a/src/core/web_event_factory.cpp
+++ b/src/core/web_event_factory.cpp
@@ -1581,7 +1581,7 @@ blink::WebMouseWheelEvent::Phase toBlinkPhase(QWheelEvent *ev)
 #endif
         return blink::WebMouseWheelEvent::kPhaseNone;
     case Qt::ScrollBegin:
-        return ev->angleDelta().isNull() ? blink::WebMouseWheelEvent::kPhaseMayBegin : blink::WebMouseWheelEvent::kPhaseBegan;
+        return blink::WebMouseWheelEvent::kPhaseBegan;
     case Qt::ScrollUpdate:
         return blink::WebMouseWheelEvent::kPhaseChanged;
     case Qt::ScrollEnd:
-- 
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