Make QWindowContainer handle drag'n'drop

Drag'n'drop events were not propagated by a the QWindowContainer to the
embedded QWindow. This patch makes the widget accept the events and
pass them on

Task-number: QTBUG-40603
Change-Id: I97320fbcad27f7c6aa48c95c90bb42dda634764e
Reviewed-by: Gunnar Sletta <gunnar.sletta@jollamobile.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/src/gui/kernel/qwindow.h b/src/gui/kernel/qwindow.h
index 0d13cfa648..40bfad908f 100644
--- a/src/gui/kernel/qwindow.h
+++ b/src/gui/kernel/qwindow.h
@@ -85,6 +85,7 @@ class QPlatformWindow;
 class QBackingStore;
 class QScreen;
 class QAccessibleInterface;
+class QWindowContainer;
 
 class Q_GUI_EXPORT QWindow : public QObject, public QSurface
 {
@@ -359,6 +360,7 @@ private:
 
     friend class QGuiApplication;
     friend class QGuiApplicationPrivate;
+    friend class QWindowContainer;
     friend Q_GUI_EXPORT QWindowPrivate *qt_window_private(QWindow *window);
 };