Emit grabChanged() from DragHandler and PinchHandler

Followup to ca7cdd71ee33f0d77eb6bf1367d2532e26155cb2 : when overriding
a virtual function, it's good practice to call the base class function,
in the absence of any reason not to.

Pick-to: 5.15 6.1
Fixes: QTBUG-93880
Change-Id: Icbd04faec51d55d8fbf73319bd20f5846761d3d5
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>

1 files changed, 4 insertions, 0 deletions

diff --git a/tests/auto/quick/pointerhandlers/qquickpinchhandler/tst_qquickpinchhandler.cpp b/tests/auto/quick/pointerhandlers/qquickpinchhandler/tst_qquickpinchhandler.cpp
index 6df672e4e8..0d29ae6516 100644
--- a/tests/auto/quick/pointerhandlers/qquickpinchhandler/tst_qquickpinchhandler.cpp
+++ b/tests/auto/quick/pointerhandlers/qquickpinchhandler/tst_qquickpinchhandler.cpp
@@ -211,6 +211,7 @@ void tst_QQuickPinchHandler::scale()
 
     QQuickPinchHandler *pinchHandler = window->rootObject()->findChild<QQuickPinchHandler*>("pinchHandler");
     QVERIFY(pinchHandler != nullptr);
+    QSignalSpy grabChangedSpy(pinchHandler, SIGNAL(grabChanged(QPointingDevice::GrabTransition, QEventPoint)));
 
     QQuickItem *root = qobject_cast<QQuickItem*>(window->rootObject());
     QVERIFY(root != nullptr);
@@ -232,6 +233,7 @@ void tst_QQuickPinchHandler::scale()
         // it is outside its bounds.
         pinchSequence.stationary(0).press(1, p1, window).commit();
         QQuickTouchUtils::flush(window);
+        QTRY_COMPARE(grabChangedSpy.count(), 1); // passive grab
 
         QPoint pd(10, 10);
         // move one point until PinchHandler activates
@@ -241,6 +243,8 @@ void tst_QQuickPinchHandler::scale()
             QQuickTouchUtils::flush(window);
         }
         QCOMPARE(pinchHandler->active(), true);
+        // first point got a passive grab; both points got exclusive grabs
+        QCOMPARE(grabChangedSpy.count(), 3);
         QLineF line(p0, p1);
         const qreal startLength = line.length();