QApplication: port manual users of QMutableEventPoint

... to new static setter API, which doesn't depend on undefined
behavior.

These users didn't use QMutableEventPoint::from(), but static_cast<>,
so they were only found when the non-static setters were removed,
locally.

Task-number: QTBUG-99615
Change-Id: I37faf17b2b180e0f6e8bb4e5f46951a2cc29678d
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>
(cherry picked from commit 54945d58b3900767522f2625b3ec6a126b7401b3)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/widgets/kernel/qapplication.cpp b/src/widgets/kernel/qapplication.cpp
index b1ec997e04..c7a39e8bee 100644
--- a/src/widgets/kernel/qapplication.cpp
+++ b/src/widgets/kernel/qapplication.cpp
@@ -3845,7 +3845,7 @@ QWidget *QApplicationPrivate::findClosestTouchPointTarget(const QPointingDevice
             if (closestTouchPointId == -1 || distance < closestDistance) {
                 closestTouchPointId = pt.id();
                 closestDistance = distance;
-                closestTarget = static_cast<const QMutableEventPoint &>(pt).target();
+                closestTarget = QMutableEventPoint::target(pt);
             }
         }
     }
@@ -4016,7 +4016,7 @@ void QApplicationPrivate::translateTouchCancel(const QPointingDevice *device, ul
     const QPointingDevicePrivate *devPriv = QPointingDevicePrivate::get(device);
     for (auto &epd : devPriv->activePoints.values()) {
         const auto &pt = epd.eventPoint;
-        QObject *target = static_cast<const QMutableEventPoint &>(pt).target();
+        QObject *target = QMutableEventPoint::target(pt);
         if (target && target->isWidgetType())
             widgetsNeedingCancel.insert(static_cast<QWidget *>(target));
     }