From f59e29d9bfab2863b29769e318ae96f4640bd768 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9rgio=20Martins?= <sergio.martins@kdab.com>
Date: Fri, 11 Oct 2013 18:14:43 +0100
Subject: [PATCH] Don't accept wheel events if sendEvent() returns false.

Otherwise wheeling over disabled items won't let the wheel event
propagate to the parent.

An easy way to reproduce the problem is by having a flickable with
some disabled item in it.

Task-number: QTBUG-33477
Change-Id: Ib327cc34dd9f415617ffbc41064f689507446c05
Reviewed-by: Nicolas Arnaud-Cormos <nicolas@kdab.com>
Reviewed-by: Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
---
 src/widgets/graphicsview/qgraphicsscene.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/widgets/graphicsview/qgraphicsscene.cpp b/src/widgets/graphicsview/qgraphicsscene.cpp
index ad7a82518e..41d4fc925a 100644
--- a/src/widgets/graphicsview/qgraphicsscene.cpp
+++ b/src/widgets/graphicsview/qgraphicsscene.cpp
@@ -4147,8 +4147,9 @@ void QGraphicsScene::wheelEvent(QGraphicsSceneWheelEvent *wheelEvent)
                                                             wheelEvent->widget()));
         wheelEvent->accept();
         bool isPanel = item->isPanel();
-        d->sendEvent(item, wheelEvent);
-        if (isPanel || wheelEvent->isAccepted())
+        bool ret = d->sendEvent(item, wheelEvent);
+
+        if (ret && (isPanel || wheelEvent->isAccepted()))
             break;
     }
 }