add QQuickPointerEvent::touchEventForItem

It's similar to QQuickWindowPrivate::touchEventWithPoints(), and is
used in the same way when delivering a QQuickPointerEvent by sending
a QTouchEvent to the item's event() method.

Change-Id: I0d181eaf924bfdad2db2de9d8acf85d0345aec3e
Reviewed-by: Frederik Gladhorn <frederik.gladhorn@qt.io>

1 files changed, 9 insertions, 1 deletions

diff --git a/src/quick/items/qquickevents_p_p.h b/src/quick/items/qquickevents_p_p.h
index c4c4daf830..af3e385ce6 100644
--- a/src/quick/items/qquickevents_p_p.h
+++ b/src/quick/items/qquickevents_p_p.h
@@ -378,6 +378,8 @@ private:
     QPointerUniqueId m_uniqueId;
 };
 
+class QQuickItem;
+
 class Q_QUICK_PRIVATE_EXPORT QQuickPointerEvent : public QObject
 {
     Q_OBJECT
@@ -406,6 +408,9 @@ public:
     Qt::MouseButton button() const { return m_button; }
     Qt::MouseButtons buttons() const { return m_pressedButtons; }
 
+    // ----------------------------------------------------
+    // helpers for C++ event delivery, not for QML properties
+
     /** Returns the original touch event. */
     QTouchEvent *asTouchEvent() const;
 
@@ -414,7 +419,6 @@ public:
      * Returns nullptr in case the original event was not a mouse event. */
     QMouseEvent *asMouseEvent() const;
 
-    // helpers for C++ event delivery, not for QML properties
     int pointCount() const { return asTouchEvent() ? m_touchPoints.count() : 1; }
     const QQuickEventPoint *point(int i) const {
         if (asTouchEvent())
@@ -422,6 +426,10 @@ public:
         return i == 0 ? m_mousePoint : nullptr;
     }
 
+    const QTouchEvent::TouchPoint *touchPointById(int pointId) const;
+
+    QTouchEvent *touchEventForItem(const QList<const QQuickEventPoint *> &newPoints, QQuickItem *relativeTo) const;
+
 protected:
     bool isValid() const { return m_event != nullptr; }