Make DragHandler a MultiPointHandler

That is, minimumPointCount can now be set to a value > 1 to require
multiple fingers to do the dragging, or to track the displacement
of multiple fingers to adjust some value (such as the tilt of a map).

Task-number: QTBUG-68106
Change-Id: Ib35823e36deb81c8b277d3070fcc758c7c019564
Reviewed-by: Jan Arve Sæther <jan-arve.saether@qt.io>

1 files changed, 1 insertions, 0 deletions

diff --git a/src/quick/items/qquickwindow_p.h b/src/quick/items/qquickwindow_p.h
index 9a83e8523b..10c8477417 100644
--- a/src/quick/items/qquickwindow_p.h
+++ b/src/quick/items/qquickwindow_p.h
@@ -302,6 +302,7 @@ public:
                 QQuickWindowPrivate::dragOverThreshold(delta.y(), Qt::YAxis, point));
     }
 
+    static bool dragOverThreshold(QVector2D delta);
 
     // data property
     static void data_append(QQmlListProperty<QObject> *, QObject *);