Windows QPA: Use a QSharedPointer for the touch device

For reasons of symmetry with the tablet devices.

As a drive by, give it more distinct IDs.

Task-number: QTBUG-46412
Change-Id: Ie667621246b26db6fdda84c5ff2455fe38633cb3
Reviewed-by: Oliver Wolff <oliver.wolff@qt.io>

1 files changed, 4 insertions, 4 deletions

diff --git a/src/plugins/platforms/windows/qwindowspointerhandler.h b/src/plugins/platforms/windows/qwindowspointerhandler.h
index d0f0b816d3..6b02412e74 100644
--- a/src/plugins/platforms/windows/qwindowspointerhandler.h
+++ b/src/plugins/platforms/windows/qwindowspointerhandler.h
@@ -65,9 +65,9 @@ public:
     bool translatePointerEvent(QWindow *window, HWND hwnd, QtWindows::WindowsEventType et, MSG msg, LRESULT *result);
     bool translateMouseEvent(QWindow *window, HWND hwnd, QtWindows::WindowsEventType et, MSG msg, LRESULT *result);
 
-    QPointingDevice *touchDevice() const { return m_touchDevice; }
-    void setTouchDevice(QPointingDevice *d) { m_touchDevice = d; }
-    static QPointingDevice *createTouchDevice(bool mouseEmulation);
+    const QPointingDevicePtr &touchDevice() const { return m_touchDevice; }
+    void setTouchDevice(const QPointingDevicePtr &d) { m_touchDevice = d; }
+    static QPointingDevicePtr createTouchDevice(bool mouseEmulation);
 
     QWindow *windowUnderMouse() const { return m_windowUnderPointer.data(); }
     void clearWindowUnderMouse() { m_windowUnderPointer = nullptr; }
@@ -83,7 +83,7 @@ private:
     QPointingDevicePtr findTabletDevice(QPointingDevice::PointerType pointerType) const;
 #endif
 
-    QPointingDevice *m_touchDevice = nullptr;
+    QPointingDevicePtr m_touchDevice;
 #if QT_CONFIG(tabletevent)
     QList<QPointingDevicePtr> m_tabletDevices;
 #endif