Accept subsequent drag moves in QWidgetWindow if enter was accepted.

Add handling similar to QGuiApplicationPrivate::processDrag.

Task-number: QTBUG-28008
Change-Id: I516531da242471cdfbb59418d0052b25f799f373
Reviewed-by: Samuel Rødal <samuel.rodal@digia.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/src/widgets/kernel/qwidgetwindow.cpp b/src/widgets/kernel/qwidgetwindow.cpp
index 056eabd2f4..b700d33f52 100644
--- a/src/widgets/kernel/qwidgetwindow.cpp
+++ b/src/widgets/kernel/qwidgetwindow.cpp
@@ -499,6 +499,10 @@ void QWidgetWindow::handleDragEnterMoveEvent(QDragMoveEvent *event)
         const QPoint mapped = widget->mapFromGlobal(m_widget->mapToGlobal(event->pos()));
         QDragMoveEvent translated(mapped, event->possibleActions(), event->mimeData(), event->mouseButtons(), event->keyboardModifiers());
         translated.setDropAction(event->dropAction());
+        if (event->isAccepted()) { // Handling 'DragEnter' should suffice for the application.
+            translated.accept();
+            translated.setDropAction(event->dropAction());
+        }
         QGuiApplication::sendSpontaneousEvent(widget, &translated);
         if (translated.isAccepted()) {
             event->accept();