Temporarily restore QQuickPointerDevice::pointerEvent() accessor

This can be reverted as soon as the relevant qtlocation change is
integrated.

Task-number: QTBUG-57253
Change-Id: I72b71f61ba8fe421ac57c963801176098fe9f11c
Reviewed-by: Robin Burchell <robin.burchell@crimson.no>

2 files changed, 11 insertions, 1 deletions

diff --git a/src/quick/items/qquickevents_p_p.h b/src/quick/items/qquickevents_p_p.h
index 3735d68a85..323ecfa4ff 100644
--- a/src/quick/items/qquickevents_p_p.h
+++ b/src/quick/items/qquickevents_p_p.h
@@ -501,6 +501,7 @@ public:
       : m_deviceType(devType), m_pointerType(pType), m_capabilities(caps)
       , m_maximumTouchPoints(maxPoints), m_buttonCount(buttonCount), m_name(name)
       , m_uniqueId(QPointingDeviceUniqueId::fromNumericId(uniqueId))
+      , m_event(nullptr)
     {
     }
 
@@ -513,6 +514,8 @@ public:
     QString name() const { return m_name; }
     QPointingDeviceUniqueId uniqueId() const { return m_uniqueId; }
 
+    QQuickPointerEvent *pointerEvent() const { return m_event; } // deprecated
+
     static QQuickPointerDevice *touchDevice(QTouchDevice *d);
     static QList<QQuickPointerDevice *> touchDevices();
     static QQuickPointerDevice *genericMouseDevice();
@@ -527,6 +530,10 @@ private:
     QString m_name;
     QPointingDeviceUniqueId m_uniqueId;
 
+    // the event instance used last time within the context of one window
+    QQuickPointerEvent *m_event; // deprecated
+    friend class QQuickWindowPrivate; // not needed after removing the above
+
     Q_DISABLE_COPY(QQuickPointerDevice)
 };
 
diff --git a/src/quick/items/qquickwindow.cpp b/src/quick/items/qquickwindow.cpp
index c441cfc357..816c057ab0 100644
--- a/src/quick/items/qquickwindow.cpp
+++ b/src/quick/items/qquickwindow.cpp
@@ -2117,8 +2117,10 @@ QQuickPointerEvent *QQuickWindowPrivate::pointerEventInstance(QQuickPointerDevic
 {
     // the list of devices should be very small so a linear search should be ok
     for (QQuickPointerEvent *e: pointerEventInstances) {
-        if (e->device() == device)
+        if (e->device() == device) {
+            device->m_event = e;
             return e;
+        }
     }
 
     QQuickPointerEvent *ev = nullptr;
@@ -2136,6 +2138,7 @@ QQuickPointerEvent *QQuickWindowPrivate::pointerEventInstance(QQuickPointerDevic
         break;
     }
     pointerEventInstances << ev;
+    device->m_event = ev;
     return ev;
 }